From 2f5db6223551cce11d6712c02639d1f64c0f9635 Mon Sep 17 00:00:00 2001
From: Bladen Martin
Date: Mon, 8 Jun 2020 21:49:35 +0530
Subject: Code made OS-idependent

Modified to work on Windows OS.---
 src/model_generation.py | 2484 +++++++++++++++++++++++++++--------------------
 1 file changed, 1450 insertions(+), 1034 deletions(-)

(limited to 'src/model_generation.py')

diff --git a/src/model_generation.py b/src/model_generation.py
index dcb0788..305ced8 100644
--- a/src/model_generation.py
+++ b/src/model_generation.py
@@ -1,1034 +1,1450 @@
-#!/usr/bin/python3
-
-import re
-import os
-
-
-class ModelGeneration:
-
-    def __init__(self, file):
-
-        # Script starts from here
-        print("Arguement is : ", file)
-        self.fname = os.path.basename(file)
-        print("VHDL filename is : ", self.fname)
-        self.home = os.path.expanduser("~")
-
-        # #### Creating connection_info.txt file from vhdl file #### #
-        read_vhdl = open(file, 'r')
-        vhdl_data = read_vhdl.readlines()
-        read_vhdl.close()
-
-        start_flag = -1  # Used for scaning part of data
-        scan_data = []
-        # p=re.search('port(.*?)end',read_vhdl,re.M|re.I|re.DOTALL).group()
-
-        for item in vhdl_data:
-            if re.search('port', item, re.I):
-                start_flag = 1
-
-            elif re.search("end", item, re.I):
-                start_flag = 0
-
-            if start_flag == 1:
-                item = re.sub("port", " ", item, flags=re.I)
-                item = re.sub("\(", " ", item, flags=re.I)      # noqa
-                item = re.sub("\)", " ", item, flags=re.I)      # noqa
-                item = re.sub(";", " ", item, flags=re.I)
-
-                scan_data.append(item.rstrip())
-                scan_data = [_f for _f in scan_data if _f]
-            elif start_flag == 0:
-                break
-
-        port_info = []
-        self.port_vector_info = []
-
-        for item in scan_data:
-            print("Scan Data :", item)
-            if re.search("in", item, flags=re.I):
-                if re.search("std_logic_vector", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
-                elif re.search("std_logic", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
-                else:
-                    raise ValueError("Please check your vhdl " +
-                                     "code for datatype of input port")
-            elif re.search("out", item, flags=re.I):
-                if re.search("std_logic_vector", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
-                elif re.search("std_logic", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
-                else:
-                    raise ValueError("Please check your vhdl " +
-                                     "code for datatype of output port")
-            else:
-                raise ValueError(
-                    "Please check the in/out direction of your port"
-                )
-
-            lhs = temp.split(item)[0]
-            rhs = temp.split(item)[1]
-            bit_info = re.compile(r"\s*downto\s*", flags=re.I).split(rhs)[0]
-            if bit_info:
-                port_info.append(lhs + ":" + str(int(bit_info) + int(1)))
-                self.port_vector_info.append(1)
-            else:
-                port_info.append(lhs + ":" + str(int(1)))
-                self.port_vector_info.append(0)
-
-        print("Port Info :", port_info)
-
-        # Open connection_info.txt file
-        con_ifo = open('connection_info.txt', 'w')
-
-        for item in port_info:
-            word = item.split(':')
-            con_ifo.write(
-                word[0].strip() + ' ' + word[1].strip() + ' ' + word[2].strip()
-            )
-            con_ifo.write("\n")
-        con_ifo.close()
-
-    def readPortInfo(self):
-
-        # ############## Reading connection/port information ############## #
-
-        # Declaring input and output list
-        input_list = []
-        output_list = []
-
-        # Reading connection_info.txt file for port infomation
-        read_file = open('connection_info.txt', 'r')
-        data = read_file.readlines()
-        read_file.close()
-
-        # Extracting input and output port list from data
-        print("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")
-        for line in data:
-            print(line)
-            if re.match(r'^\s*$', line):
-                pass
-            else:
-                in_items = re.findall(
-                    "IN", line, re.MULTILINE | re.IGNORECASE
-                )
-                out_items = re.findall(
-                    "OUT", line, re.MULTILINE | re.IGNORECASE
-                )
-                if in_items:
-                    input_list.append(line.split())
-
-                if out_items:
-                    output_list.append(line.split())
-
-        print("Inout List :", input_list)
-        print("Output list", output_list)
-
-        self.input_port = []
-        self.output_port = []
-
-        # creating list of input and output port with its weight
-        for input in input_list:
-            self.input_port.append(input[0]+":"+input[2])
-        for output in output_list:
-            self.output_port.append(output[0]+":"+output[2])
-
-        print("Output Port List : ", self.output_port)
-        print("Input Port List : ", self.input_port)
-
-    def createCfuncModFile(self):
-
-        # ############## Creating content for cfunc.mod file ############## #
-
-        print("Starting With cfunc.mod file")
-        cfunc = open('cfunc.mod', 'w')
-        print("Building content for cfunc.mod file")
-
-        comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
-        Developed by Fahim, Rahul at IIT Bombay */\n
-                '''
-
-        header = '''
-        #include <stdio.h>
-        #include <math.h>
-        #include <string.h>
-        #include <time.h>
-        #include <sys/socket.h>
-        #include <sys/types.h>
-        #include <netinet/in.h>
-        #include <netdb.h>
-        #include <stdlib.h>
-        #include <unistd.h>
-        #include <errno.h>
-        '''
-
-        function_open = (
-            '''void cm_''' + self.fname.split('.')[0] + '''(ARGS) \n{''')
-
-        digital_state_output = []
-        for item in self.output_port:
-            digital_state_output.append(
-                "Digital_State_t *_op_" + item.split(':')[0] +
-                ", *_op_" + item.split(':')[0] + "_old;"
-            )
-
-        var_section = '''
-            // Declaring components of Client
-            FILE *log_client = NULL;
-            log_client=fopen("client.log","a");
-            int socket_fd, bytes_recieved;
-            char send_data[1024];
-            char recv_data[1024];
-            char *key_iter;
-            struct hostent *host;
-            struct sockaddr_in server_addr;
-            int sock_port = 5000+PARAM(instance_id);
-        '''
-
-        temp_input_var = []
-        for item in self.input_port:
-            temp_input_var.append(
-                "char temp_" + item.split(':')[0] + "[1024];"
-            )
-
-        # Start of INIT function
-        init_start_function = '''
-            if(INIT)
-            {
-                /* Allocate storage for output ports ''' \
-                '''and set the load for input ports */
-        '''
-
-        cm_event_alloc = []
-        cm_count_output = 0
-        for item in self.output_port:
-            cm_event_alloc.append(
-                "cm_event_alloc(" +
-                str(cm_count_output) + "," + item.split(':')[1] +
-                "*sizeof(Digital_State_t));"
-            )
-            cm_count_output = cm_count_output + 1
-
-        load_in_port = []
-        for item in self.input_port:
-            load_in_port.append(
-                "for(Ii=0;Ii<PORT_SIZE(" + item.split(':')[0] +
-                ");Ii++)\n\t\t{\n\t\t\tLOAD(" + item.split(':')[0] +
-                "[Ii])=PARAM(input_load); \n\t\t}"
-            )
-
-        cm_count_ptr = 0
-        cm_event_get_ptr = []
-        for item in self.output_port:
-            cm_event_get_ptr.append(
-                "_op_" + item.split(':')[0] + " = _op_" +
-                item.split(':')[0] +
-                "_old = (Digital_State_t *) cm_event_get_ptr(" +
-                str(cm_count_ptr) + ",0);"
-            )
-
-            cm_count_ptr = cm_count_ptr + 1
-
-        systime_info = '''
-                /*Taking system time info for log */
-                time_t systime;
-                systime = time(NULL);
-                printf(ctime(&systime));
-                printf("Client-Initialising GHDL...\\n\\n");
-                fprintf(log_client,"Setup Client Server Connection at %s \\n"''' \
-                ''',ctime(&systime));
-        '''
-
-        els_evt_ptr = []
-        els_evt_count1 = 0
-        els_evt_count2 = 0
-        for item in self.output_port:
-            els_evt_ptr.append("_op_" + item.split(":")[0] +
-                               " = (Digital_State_t *) cm_event_get_ptr(" +
-                               str(els_evt_count1) + "," +
-                               str(els_evt_count2) + ");")
-            els_evt_count2 = els_evt_count2 + 1
-            els_evt_ptr.append("_op_" + item.split(":")[0] + "_old" +
-                               " = (Digital_State_t *) cm_event_get_ptr(" +
-                               str(els_evt_count1) + "," +
-                               str(els_evt_count2) + ");")
-            els_evt_count1 = els_evt_count1 + 1
-
-        client_setup_ip = '''
-                /* Client Setup IP Addr */
-                FILE *fptr;
-                int ip_count = 0;
-                char* my_ip = malloc(16);
-
-                char ip_filename[40];
-                sprintf(ip_filename, "/tmp/NGHDL_COMMON_IP_%d.txt", getpid());
-
-                fptr = fopen(ip_filename, "r");
-                if (fptr)
-                {
-                    char line[20];
-		    int line_port;
-                    while(fscanf(fptr, "%s %d\\n", line, &line_port) == 2) {
-                        ip_count++;
-                    }
-
-                    fclose(fptr);
-                }
-
-                if (ip_count < 255) {
-                    sprintf(my_ip, "127.0.0.%d", ip_count+1);
-                } else {
-                    sprintf(my_ip, "127.0.%d.1", (ip_count+1)%256);
-                }
-
-                fptr = fopen(ip_filename, "a");
-                if (fptr)
-                {
-                    fprintf(fptr, "%s %d\\n", my_ip, sock_port);
-                    fclose(fptr);
-                } else {
-                    perror("Client - cannot open Common_IP file ");
-                    exit(1);
-                }
-
-                STATIC_VAR(my_ip) = my_ip;
-        '''
-
-        client_fetch_ip = '''
-            /* Client Fetch IP Addr */
-
-            char* my_ip = STATIC_VAR(my_ip);
-
-            host = gethostbyname(my_ip);
-            fprintf(log_client,"Creating client socket \\n");
-        '''
-
-        create_socket = '''
-            //Creating socket for client
-            if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
-            {
-                perror("Client - Error while creating client Socket ");
-                fprintf(log_client,"Error while creating client socket \\n");
-                exit(1);
-            }
-
-            printf("Client-Socket (Id : %d) created\\n", socket_fd);
-            fprintf(log_client,"Client-Client Socket created ''' \
-            '''successfully \\n");
-            fprintf(log_client,"Client- Socket Id : %d \\n",socket_fd);
-
-            // memset(&server_addr, 0, sizeof(server_addr));
-            server_addr.sin_family = AF_INET;
-            server_addr.sin_port = htons(sock_port);
-            server_addr.sin_addr = *((struct in_addr *)host->h_addr);
-            bzero(&(server_addr.sin_zero),8);
-
-        '''
-
-        connect_server = '''
-            fprintf(log_client,"Client-Connecting to server \\n");
-
-            //Connecting to server
-            int try_limit=10;
-            while(try_limit>0)
-            {
-                if (connect(socket_fd, (struct sockaddr*)&server_addr,''' \
-                '''sizeof(struct sockaddr)) == -1)
-                {
-                    sleep(1);
-                    try_limit--;
-                    if(try_limit==0)
-                    {
-                        fprintf(stderr,"Connect- Error:Tried to connect server on port,''' \
-                        '''failed...giving up \\n");
-                        fprintf(log_client,"Connect- Error:Tried to connect server on ''' \
-                        '''port, failed...giving up \\n");
-                        exit(1);
-                    }
-                }
-                else
-                {
-                    printf("Client-Connected to server \\n");
-                    fprintf(log_client,"Client-Connected to server \\n");
-                    break;
-                }
-            }
-        '''
-
-        # Assign bit value to every input
-        assign_data_to_input = []
-        for item in self.input_port:
-            assign_data_to_input.append("\tfor(Ii=0;Ii<PORT_SIZE(" +
-                                        item.split(':')[0] + ");Ii++)\n\
-        \t{\n\t\tif( INPUT_STATE(" + item.split(':')[0] + "[Ii])==ZERO )\n\
-        \t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='0';\n\t\t}\n\
-        \t\telse\n\t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='1';\n\
-        \t\t}\n\t}\n\ttemp_" + item.split(':')[0] + "[Ii]='\\0';\n\n")
-
-        snprintf_stmt = []
-        snprintf_count = 0
-        snprintf_stmt.append(
-            "\t//Sending and receiving data to-from server \n"
-        )
-        snprintf_stmt.append('\tsnprintf(send_data,sizeof(send_data),"')
-        for item in self.input_port:
-            snprintf_count = snprintf_count + 1
-            snprintf_stmt.append(item.split(':')[0] + ":%s")
-            if snprintf_count == len(self.input_port):
-                snprintf_stmt.append('", ')
-                internal_count = 0
-                for item1 in self.input_port:
-                    if internal_count == len(self.input_port):
-                        pass
-                    else:
-                        snprintf_stmt.append("temp_" + item1.split(':')[0])
-                        internal_count = internal_count + 1
-                        if internal_count == len(self.input_port):
-                            pass
-                        else:
-                            snprintf_stmt.append(",")
-                snprintf_stmt.append(");")
-            else:
-                snprintf_stmt.append(",")
-
-        send_data = '''
-
-            if ( send(socket_fd,send_data,sizeof(send_data),0)==-1)
-            {
-                fprintf(stderr, "Client-Failure Sending Message \\n");
-                close(socket_fd);
-                exit(1);
-            }
-            else
-            {
-                printf("Client-Message sent: %s \\n",send_data);
-                fprintf(log_client,"Socket Id : %d & Message sent : %s \\n"''' \
-                ''',socket_fd,send_data);
-            }
-
-        '''
-
-        recv_data = '''
-
-            bytes_recieved=recv(socket_fd,recv_data,sizeof(recv_data),0);
-            if ( bytes_recieved <= 0 )
-            {
-                perror("Client-Either Connection Closed or Error ");
-                exit(1);
-            }
-            recv_data[bytes_recieved] = '\\0';
-
-            printf("Client-Message Received -  %s\\n\\n",recv_data);
-            fprintf(log_client,"Message Received From Server-''' \
-            '''%s\\n",recv_data);
-
-        '''
-
-        # Scheduling output event
-        sch_output_event = []
-
-        for item in self.output_port:
-            sch_output_event.append(
-                 "\t/* Scheduling event and processing them */\n\
-        \tif((key_iter=strstr(recv_data, " + '"' + item.split(':')[0] + ':"'")) != NULL)\n\
-        \t{\n\
-        \t\twhile(*key_iter++ != ':');\n\
-        \t\tfor(Ii=0;*key_iter != ';';Ii++,key_iter++)\n\
-        \t\t{\n\
-        \t\t\tfprintf(log_client,\"Client-Bit val is %c \\n\",*key_iter);\n\
-        \t\t\tif(*key_iter=='0')\n\t\t\t{\n\
-        \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ZERO;\n\t\t\t}\n\
-        \t\t\telse if(*key_iter=='1')\n\t\t\t{\n\
-        \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ONE;\n\
-        \t\t\t}\n\t\t\telse\n\t\t\t{\n\
-        \t\t\t\tfprintf(log_client,\"Unknow value return from server \\n\");\n\
-        \t\t\t\tprintf(\"Client-Unknown value return \\n\");\n\t\t\t}\n\n\
-        \t\t\tif(ANALYSIS == DC)\n\t\t\t{\n\
-        \t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
-        \t\t\t}\n\t\t\telse if(_op_" + item.split(':')[0] + "[Ii] != _op_" + item.split(':')[0] + "_old[Ii])\n\
-        \t\t\t{\n\t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
-        \t\t\t\tOUTPUT_DELAY(" + item.split(':')[0] + "[Ii]) = ((_op_" + item.split(':')[0] + "[Ii] == ZERO) ? PARAM(fall_delay) : PARAM(rise_delay));\n\
-        \t\t\t}\n\t\t\telse\n\t\t\t{\n\
-        \t\t\t\tOUTPUT_CHANGED(" + item.split(':')[0] + "[Ii]) = FALSE;\n\t\t\t}\n\
-        \t\t\tOUTPUT_STRENGTH(" + item.split(':')[0] + "[Ii]) = STRONG;\n\
-        \t\t}\n\
-        \t}\n")
-
-        # Writing content in cfunc.mod file
-        cfunc.write(comment)
-        cfunc.write(header)
-        cfunc.write("\n")
-        cfunc.write(function_open)
-        cfunc.write("\n")
-
-        # Adding digital state Variable
-        for item in digital_state_output:
-            cfunc.write("\t" + item + "\n")
-
-        # Adding variable declaration section
-        cfunc.write(var_section)
-        for item in temp_input_var:
-            cfunc.write("\t" + item + "\n")
-        cfunc.write("\n")
-
-        # Adding INIT portion
-        cfunc.write(init_start_function)
-        for item in cm_event_alloc:
-            cfunc.write(2 * "\t" + item)
-            cfunc.write("\n")
-
-        cfunc.write(2 * "\t" + "/* set the load for input ports. */")
-        cfunc.write("\n")
-        cfunc.write(2 * "\t" + "int Ii;")
-        cfunc.write("\n")
-
-        for item in load_in_port:
-            cfunc.write(2 * "\t" + item)
-            cfunc.write("\n")
-        cfunc.write("\n")
-        cfunc.write(2 * "\t" + "/*Retrieve Storage for output*/")
-        cfunc.write("\n")
-        for item in cm_event_get_ptr:
-            cfunc.write(2 * "\t" + item)
-            cfunc.write("\n")
-        cfunc.write(systime_info)
-        cfunc.write("\n")
-        cfunc.write(client_setup_ip)
-        cfunc.write("\n")
-        cfunc.write("\t\tchar command[1024];\n")
-        cfunc.write(
-            '\t\tsnprintf(command,1024,"' + self.home +
-            '/ngspice-nghdl/src/xspice/icm/ghdl/' +
-            self.fname.split('.')[0] +
-            '/DUTghdl/start_server.sh %d %s &",sock_port,my_ip);'
-        )
-        cfunc.write('\n\t\tsystem(command);')
-        cfunc.write("\n\t}")
-        cfunc.write("\n")
-        cfunc.write("\telse\n\t{\n")
-
-        for item in els_evt_ptr:
-            cfunc.write(2 * "\t" + item)
-            cfunc.write("\n")
-        cfunc.write("\t}")
-        cfunc.write("\n\n")
-
-        cfunc.write(client_fetch_ip)
-        cfunc.write(create_socket)
-        cfunc.write(connect_server)
-
-        cfunc.write("\t//Formating data for sending it to client\n")
-        cfunc.write("\tint Ii;\n\n")
-
-        for item in assign_data_to_input:
-            cfunc.write(item)
-
-        for item in snprintf_stmt:
-            cfunc.write(item)
-
-        cfunc.write(send_data)
-        cfunc.write(recv_data)
-
-        for item in sch_output_event:
-            cfunc.write(item)
-
-        # Close socket fd
-        cfunc.write("\tclose(socket_fd);\n\n")
-
-        # close log_client file
-        cfunc.write("\tfclose(log_client);")
-
-        # Close cm_ function
-        cfunc.write("\n}")
-        cfunc.close()
-
-    def createIfSpecFile(self):
-
-        # ################### Creating ifspec.ifs file #################### #
-
-        print("Starting with ifspec.ifs file")
-        ifspec = open('ifspec.ifs', 'w')
-
-        print("Gathering Al the content for ifspec file")
-
-        ifspec_comment = '''
-        /*
-        SUMMARY: This file is auto generated and it contains the interface
-         specification for the code model. */\n
-        '''
-
-        name_table = 'NAME_TABLE:\n\
-        C_Function_Name: cm_' + self.fname.split('.')[0] + '\n\
-        Spice_Model_Name: ' + self.fname.split('.')[0] + '\n\
-        Description: "Model generated from ghdl code ' + self.fname + '" \n'
-
-        # Input and Output Port Table
-        in_port_table = []
-        out_port_table = []
-
-        for item in self.input_port:
-            port_table = 'PORT_TABLE:\n'
-            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
-            description = (
-                'Description:\t"input port ' + item.split(':')[0] + '"\n'
-            )
-            direction = 'Direction:\tin\n'
-            default_type = 'Default_Type:\td\n'
-            allowed_type = 'Allowed_Types:\t[d]\n'
-            vector = 'Vector:\tyes\n'
-            vector_bounds = (
-                'Vector_Bounds:\t[' + item.split(':')[1] +
-                ' ' + item.split(":")[1] + ']\n'
-            )
-            null_allowed = 'Null_Allowed:\tno\n'
-
-            # Insert detail in the list
-            in_port_table.append(
-                port_table + port_name + description +
-                direction + default_type + allowed_type +
-                vector + vector_bounds + null_allowed
-            )
-
-        for item in self.output_port:
-            port_table = 'PORT_TABLE:\n'
-            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
-            description = (
-                'Description:\t"output port ' + item.split(':')[0] + '"\n'
-            )
-            direction = 'Direction:\tout\n'
-            default_type = 'Default_Type:\td\n'
-            allowed_type = 'Allowed_Types:\t[d]\n'
-            vector = 'Vector:\tyes\n'
-            vector_bounds = (
-                'Vector_Bounds:\t[' + item.split(':')[1] +
-                ' ' + item.split(":")[1] + ']\n'
-            )
-            null_allowed = 'Null_Allowed:\tno\n'
-
-            # Insert detail in the list
-            in_port_table.append(
-                port_table + port_name + description +
-                direction + default_type + allowed_type +
-                vector + vector_bounds + null_allowed
-            )
-
-        parameter_table = '''
-
-        PARAMETER_TABLE:
-        Parameter_Name:     instance_id                  input_load
-        Description:        "instance_id"                "input load value (F)"
-        Data_Type:          real                         real
-        Default_Value:      0                            1.0e-12
-        Limits:             -                            -
-        Vector:              no                          no
-        Vector_Bounds:       -                           -
-        Null_Allowed:       yes                          yes
-
-        PARAMETER_TABLE:
-        Parameter_Name:     rise_delay                  fall_delay
-        Description:        "rise delay"                "fall delay"
-        Data_Type:          real                        real
-        Default_Value:      1.0e-9                      1.0e-9
-        Limits:             [1e-12 -]                   [1e-12 -]
-        Vector:              no                          no
-        Vector_Bounds:       -                           -
-        Null_Allowed:       yes                         yes
-
-        '''
-
-        static_table = '''
-
-        STATIC_VAR_TABLE:
-
-        Static_Var_Name:    my_ip
-        Data_Type:          pointer
-        Description:        "connect to ghdlserver through this ip"
-
-        '''
-
-        # Writing all the content in ifspec file
-        ifspec.write(ifspec_comment)
-        ifspec.write(name_table + "\n\n")
-
-        for item in in_port_table:
-            ifspec.write(item + "\n")
-
-        ifspec.write("\n")
-
-        for item in out_port_table:
-            ifspec.write(item + "\n")
-
-        ifspec.write("\n")
-        ifspec.write(parameter_table)
-        ifspec.write("\n")
-        ifspec.write(static_table)
-        ifspec.close()
-
-    def createTestbench(self):
-
-        # #################### Creating testbench file ##################### #
-
-        print("Starting with testbench file")
-
-        testbench = open(self.fname.split('.')[0] + '_tb.vhdl', 'w')
-        print(self.fname.split('.')[0] + '_tb.vhdl')
-
-        # comment
-        comment_vhdl = "------------------------------------------------------"
-        comment_vhdl += "--------------------------\n"
-        comment_vhdl += "--This testbench has been created by "
-        comment_vhdl += "Ambikeshwar Srivastava, Rahul Paknikar \n"
-        comment_vhdl += "--------------------------- FOSSEE, IIT Bombay ------"
-        comment_vhdl += "---------------------------\n"
-        comment_vhdl += "-----------------------------------------------------"
-        comment_vhdl += "---------------------------\n"
-
-        # Adding header, entity and architecture statement
-        tb_header = '''
-        library ieee;
-        use ieee.std_logic_1164.all;
-        use ieee.numeric_std.all;
-        library work;
-        use work.Vhpi_Foreign.all;
-        use work.Utility_Package.all;
-        use work.sock_pkg.all;
-
-        '''
-
-        tb_entity = ("entity " + self.fname.split('.')[0] +
-                     "_tb is\nend entity;\n\n")
-
-        arch = ("architecture " + self.fname.split('.')[0] + "_tb_beh of " +
-                self.fname.split('.')[0] + "_tb is\n")
-
-        # Adding components
-        components = []
-        components.append("\tcomponent " + self.fname.split('.')[0] +
-                          " is\n\t\tport(\n\t\t\t\t")
-
-        port_vector_count = 0
-
-        for item in self.input_port:
-            if self.port_vector_info[port_vector_count]:
-                components.append(
-                    item.split(':')[0] + ": in std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) +
-                    " downto 0);\n\t\t\t\t"
-                )
-            else:
-                components.append(
-                    item.split(':')[0] + ": in std_logic;\n\t\t\t\t"
-                )
-
-            port_vector_count += 1
-            # if item.split(":")[1] != '1':
-            #     components.append(
-            #         item.split(':')[0] + ": in std_logic_vector(" +
-            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
-            #         "\n\t\t\t\t"
-            #     )
-            # else:
-            #     components.append(
-            #         item.split(':')[0] + ": in std_logic_vector(" +
-            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
-            #         "\n\t\t\t\t"
-            #     )
-        for item in self.output_port[:-1]:
-            if self.port_vector_info[port_vector_count]:
-                components.append(
-                    item.split(':')[0] + ": out std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) +
-                    " downto 0);\n\t\t\t\t"
-                )
-            else:
-                components.append(
-                    item.split(':')[0] + ": out std_logic;\n\t\t\t\t"
-                )
-
-            port_vector_count += 1
-
-        if self.port_vector_info[port_vector_count]:
-            components.append(
-                self.output_port[-1].split(':')[0] +
-                ": out std_logic_vector(" +
-                str(int(self.output_port[-1].split(':')[1]) - int(1)) +
-                " downto 0)\n\t\t\t\t"
-            )
-        else:
-            components.append(self.output_port[-1].split(':')[0] +
-                              ": out std_logic\n\t\t\t\t")
-            # if item.split(":")[1] != '1':
-            #    components.append(item.split(':')[0]+":
-            # out std_logic_vector("
-            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
-            # else:
-            #    components.append(item.split(':')[0]+":
-            # out std_logic_vector("
-            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
-
-        components.append(");\n")
-        components.append("\tend component;\n\n")
-
-        # Adding signals
-        signals = []
-        signals.append("\tsignal clk_s : std_logic := '0';\n")
-
-        port_vector_count = 0
-
-        for item in self.input_port:
-            if self.port_vector_info[port_vector_count]:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-                )
-            else:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
-                )
-            port_vector_count += 1
-
-            # if item.split(":")[1] != '1':
-            #    signals.append("\tsignal "+item.split(':')[0]+":
-            #                   std_logic_vector("+str(int(item.split(':')[1])-
-            #                   int(1))+" downto 0);\n")
-            # else:
-            #    signals.append("\tsignal "+item.split(':')[0]+":
-            #                   std_logic_vector("+str(int(item.split(':')[1])-
-            #                   int(1))+" downto 0);\n")
-
-        for item in self.output_port:
-            if self.port_vector_info[port_vector_count]:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-                )
-            else:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
-                )
-
-            port_vector_count += 1
-            # if item.split(":")[1] != '1':
-            #     signals.append(
-            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
-            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-            #     )
-            # else:
-            #     signals.append(
-            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
-            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-            #     )
-
-        # Adding mapping part
-        map = []
-        map.append("\tu1 : " + self.fname.split('.')[0] + " port map(\n")
-
-        for item in self.input_port:
-            map.append("\t\t\t\t" + item.split(':')[0] +
-                       " => " + item.split(':')[0] + ",\n")
-
-        for item in self.output_port:
-            if self.output_port.index(item) == len(self.output_port) - 1:
-                map.append("\t\t\t\t" + item.split(':')[0] +
-                           " => " + item.split(':')[0] + "\n")
-            else:
-                map.append("\t\t\t\t" + item.split(':')[0] +
-                           " => " + item.split(':')[0] + ",\n")
-        map.append("\t\t\t);")
-
-        # Testbench Clock
-        tb_clk = "clk_s <= not clk_s after 5 us;\n\n"
-
-        # Adding Process block for Vhpi
-        process_Vhpi = []
-        process_Vhpi.append(
-            "process\n\t\tvariable sock_port : integer;" +
-            "\n\t\ttype string_ptr is access string;" +
-            "\n\t\tvariable sock_ip : string_ptr;" +
-            "\n\t\tbegin\n\t\tsock_port := sock_port_fun;" +
-            "\n\t\tsock_ip := new string'(sock_ip_fun);" +
-            "\n\t\tVhpi_Initialize(sock_port," +
-            "Pack_String_To_Vhpi_String(sock_ip.all));" +
-            "\n\t\twait until clk_s = '1';" +
-            "\n\t\twhile true loop\n\t\t\twait until clk_s = '0';" +
-            "\n\t\t\tVhpi_Listen;\n\t\t\twait for 1 us;\n\t\t\t" +
-            "Vhpi_Send;" +
-            "\n\t\tend loop;\n\t\twait;\n\tend process;\n\n"
-        )
-
-        # Adding process block
-        process = []
-        process.append("\tprocess\n")
-        process.append("\t\tvariable count : integer:=0;\n")
-
-        for item in self.input_port:
-            process.append(
-                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
-            )
-
-        for item in self.output_port:
-            process.append(
-                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
-            )
-
-        process.append("\t\tvariable obj_ref : VhpiString;\n")
-        process.append("\tbegin\n")
-        process.append("\t\twhile true loop\n")
-        process.append("\t\t\twait until clk_s = '0';\n\n")
-
-        port_vector_count = 0
-
-        for item in self.input_port:
-            process.append(
-                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
-                item.split(':')[0] + '");\n'
-            )
-            process.append(
-                '\t\t\tVhpi_Get_Port_Value(obj_ref,' +
-                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
-            )
-
-            if self.port_vector_info[port_vector_count]:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    ' <= Unpack_String(' + item.split(':')[0] + '_v,' +
-                    item.split(':')[1] + ');\n'
-                )
-            else:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    ' <= To_Std_Logic('+item.split(':')[0]+'_v'+');\n'
-                )
-
-            port_vector_count += 1
-            process.append("\n")
-
-        process.append('\t\t\twait for 1 us;\n')
-
-        for item in self.output_port:
-            if self.port_vector_info[port_vector_count]:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    '_v := Pack_String_To_Vhpi_String' +
-                    '(Convert_SLV_To_String(' +
-                    item.split(':')[0]+'));\n'
-                )
-            else:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    '_v := Pack_String_To_Vhpi_String(To_String(' +
-                    item.split(':')[0]+'));\n'
-                )
-
-            port_vector_count += 1
-
-            process.append(
-                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
-                item.split(':')[0]+'");\n'
-            )
-            process.append(
-                '\t\t\tVhpi_Set_Port_Value(obj_ref,' +
-                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
-            )
-            process.append("\n")
-
-        process.append(
-            '\t\t\treport "Iteration - "' +
-            "& integer'image(count) severity note;\n"
-        )
-        process.append('\t\t\tcount := count + 1;\n')
-        process.append("\t\tend loop;\n")
-        process.append("\tend process;\n\n")
-        process.append("end architecture;")
-
-        # Writing all the components to testbench file
-        testbench.write(comment_vhdl)
-        testbench.write(tb_header)
-        testbench.write(tb_entity)
-        testbench.write(arch)
-
-        for item in components:
-            testbench.write(item)
-
-        for item in signals:
-            testbench.write(item)
-
-        testbench.write("\n\n")
-
-        testbench.write("begin\n\n")
-
-        for item in map:
-            testbench.write(item)
-
-        testbench.write("\n\t"+tb_clk)
-
-        for item in process_Vhpi:
-            testbench.write(item)
-
-        for item in process:
-            testbench.write(item)
-
-        testbench.close()
-
-    def createServerScript(self):
-
-        # ####### Creating and writing components in start_server.sh ####### #
-
-        start_server = open('start_server.sh', 'w')
-
-        start_server.write("#!/bin/bash\n\n")
-        start_server.write(
-            "###This server run ghdl testebench for infinite time till " +
-            "ngspice send END signal to stop it\n\n"
-        )
-        start_server.write(
-            "cd "+self.home+"/ngspice-nghdl/src/xspice/icm/ghdl/" +
-            self.fname.split('.')[0]+"/DUTghdl/\n"
-        )
-        start_server.write("chmod 775 sock_pkg_create.sh &&\n")
-        start_server.write("./sock_pkg_create.sh $1 $2 &&\n")
-        start_server.write("ghdl -i *.vhdl &&\n")
-        start_server.write("ghdl -a *.vhdl &&\n")
-        start_server.write("ghdl -a "+self.fname+" &&\n")
-        start_server.write(
-            "ghdl -a "+self.fname.split('.')[0]+"_tb.vhdl  &&\n"
-        )
-        start_server.write(
-            "ghdl -e -Wl,ghdlserver.o " + self.fname.split('.')[0] + "_tb &&\n"
-        )
-        start_server.write("./"+self.fname.split('.')[0]+"_tb")
-
-        start_server.close()
-
-    def createSockScript(self):
-
-        # ########### Creating and writing in sock_pkg_create.sh ########### #
-
-        sock_pkg_create = open('sock_pkg_create.sh', 'w')
-
-        sock_pkg_create.write("#!/bin/bash\n\n")
-        sock_pkg_create.write(
-            "##This file creates sock_pkg.vhdl file and sets the port " +
-            "and ip from parameters passed to it\n\n"
-        )
-        sock_pkg_create.write("echo \"library ieee;\n")
-        sock_pkg_create.write("package sock_pkg is\n")
-        sock_pkg_create.write("\tfunction sock_port_fun return integer;\n")
-        sock_pkg_create.write("\tfunction sock_ip_fun return string;\n")
-        sock_pkg_create.write("end;\n\n")
-        sock_pkg_create.write("package body sock_pkg is\n")
-        sock_pkg_create.write("\tfunction sock_port_fun return integer is\n")
-        sock_pkg_create.write("\t\tvariable sock_port : integer;\n")
-        sock_pkg_create.write("\t\t\tbegin\n")
-        sock_pkg_create.write("\t\t\t\tsock_port := $1;\n")
-        sock_pkg_create.write("\t\t\t\treturn sock_port;\n")
-        sock_pkg_create.write("\t\t\tend function;\n\n")
-        sock_pkg_create.write("\tfunction sock_ip_fun return string is\n")
-        sock_pkg_create.write("\t\ttype string_ptr is access string;\n")
-        sock_pkg_create.write("\t\tvariable sock_ip : string_ptr;\n")
-        sock_pkg_create.write("\t\t\tbegin\n")
-        sock_pkg_create.write('\t\t\t\tsock_ip := new string\'(\\"$2\\");\n')
-        sock_pkg_create.write("\t\t\t\treturn sock_ip.all;\n")
-        sock_pkg_create.write("\t\t\tend function;\n\n")
-        sock_pkg_create.write("\t\tend package body;\" > sock_pkg.vhdl")
+#!/usr/bin/python3
+
+import re
+import os
+from configparser import SafeConfigParser
+
+
+class ModelGeneration:
+
+    def __init__(self, file):
+
+        # Script starts from here
+        print("Arguement is : ", file)
+        self.fname = os.path.basename(file)
+        print("VHDL filename is : ", self.fname)
+        self.home = os.path.expanduser("~")
+        self.parser = SafeConfigParser()
+        self.parser.read(os.path.join(
+            self.home, os.path.join('.nghdl', 'config.ini')))
+        self.ngspice_home = self.parser.get('NGSPICE', 'NGSPICE_HOME')
+        self.release_dir = self.parser.get('NGSPICE', 'RELEASE')
+        self.src_home = self.parser.get('SRC', 'SRC_HOME')
+        self.licensefile = self.parser.get('SRC', 'LICENSE')
+
+        # #### Creating connection_info.txt file from vhdl file #### #
+        read_vhdl = open(file, 'r')
+        vhdl_data = read_vhdl.readlines()
+        read_vhdl.close()
+
+        start_flag = -1  # Used for scaning part of data
+        scan_data = []
+        # p=re.search('port(.*?)end',read_vhdl,re.M|re.I|re.DOTALL).group()
+
+        for item in vhdl_data:
+            if re.search('port', item, re.I):
+                start_flag = 1
+
+            elif re.search("end", item, re.I):
+                start_flag = 0
+
+            if start_flag == 1:
+                item = re.sub("port", " ", item, flags=re.I)
+                item = re.sub("\(", " ", item, flags=re.I)      # noqa
+                item = re.sub("\)", " ", item, flags=re.I)      # noqa
+                item = re.sub(";", " ", item, flags=re.I)
+
+                scan_data.append(item.rstrip())
+                scan_data = [_f for _f in scan_data if _f]
+            elif start_flag == 0:
+                break
+
+        port_info = []
+        self.port_vector_info = []
+
+        for item in scan_data:
+            print("Scan Data :", item)
+            if re.search("in", item, flags=re.I):
+                if re.search("std_logic_vector", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
+                elif re.search("std_logic", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
+                else:
+                    raise ValueError("Please check your vhdl " +
+                                     "code for datatype of input port")
+            elif re.search("out", item, flags=re.I):
+                if re.search("std_logic_vector", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
+                elif re.search("std_logic", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
+                else:
+                    raise ValueError("Please check your vhdl " +
+                                     "code for datatype of output port")
+            else:
+                raise ValueError(
+                    "Please check the in/out direction of your port"
+                )
+
+            lhs = temp.split(item)[0]
+            rhs = temp.split(item)[1]
+            bit_info = re.compile(r"\s*downto\s*", flags=re.I).split(rhs)[0]
+            if bit_info:
+                port_info.append(lhs + ":" + str(int(bit_info) + int(1)))
+                self.port_vector_info.append(1)
+            else:
+                port_info.append(lhs + ":" + str(int(1)))
+                self.port_vector_info.append(0)
+
+        print("Port Info :", port_info)
+
+        # Open connection_info.txt file
+        con_ifo = open('connection_info.txt', 'w')
+
+        for item in port_info:
+            word = item.split(':')
+            con_ifo.write(
+                word[0].strip() + ' ' + word[1].strip() + ' ' + word[2].strip()
+            )
+            con_ifo.write("\n")
+        con_ifo.close()
+
+    def readPortInfo(self):
+
+        # ############## Reading connection/port information ############## #
+
+        # Declaring input and output list
+        input_list = []
+        output_list = []
+
+        # Reading connection_info.txt file for port infomation
+        read_file = open('connection_info.txt', 'r')
+        data = read_file.readlines()
+        read_file.close()
+
+        # Extracting input and output port list from data
+        print("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")
+        for line in data:
+            print(line)
+            if re.match(r'^\s*$', line):
+                pass
+            else:
+                in_items = re.findall(
+                    "IN", line, re.MULTILINE | re.IGNORECASE
+                )
+                out_items = re.findall(
+                    "OUT", line, re.MULTILINE | re.IGNORECASE
+                )
+                if in_items:
+                    input_list.append(line.split())
+
+                if out_items:
+                    output_list.append(line.split())
+
+        print("Inout List :", input_list)
+        print("Output list", output_list)
+
+        self.input_port = []
+        self.output_port = []
+
+        # creating list of input and output port with its weight
+        for input in input_list:
+            self.input_port.append(input[0]+":"+input[2])
+        for output in output_list:
+            self.output_port.append(output[0]+":"+output[2])
+
+        print("Output Port List : ", self.output_port)
+        print("Input Port List : ", self.input_port)
+
+#08.June.2020 - BM - If OS is Windows, write Windows socket version of cfunc.mod, else write Linux(BSD) socket version
+    if os.name == 'nt':
+        def createCfuncModFile(self):
+
+            # ## Creating content for cfunc.mod file ## #
+
+            print("Starting With cfunc.mod file")
+            cfunc = open('cfunc.mod', 'w')
+            print("Building content for cfunc.mod file")
+
+            comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
+            Developed by Fahim, Rahul at IIT Bombay */\n
+                    '''
+
+            header = '''
+            #include <stdio.h>
+            #include <math.h>
+            #include <string.h>
+            #include <time.h>
+            #include <sys/types.h>
+            #include <stdlib.h>
+            #include <unistd.h>
+            #include <errno.h>
+
+            #undef BOOLEAN
+            #include<winsock2.h>
+            '''
+
+            function_open = (
+                '''void cm_''' + self.fname.split('.')[0] + '''(ARGS) \n{''')
+
+            digital_state_output = []
+            for item in self.output_port:
+                digital_state_output.append(
+                    "Digital_State_t *_op_" + item.split(':')[0] +
+                    ", *_op_" + item.split(':')[0] + "_old;"
+                )
+
+            var_section = '''
+                // Declaring components of Client
+                FILE *log_client = NULL;
+                log_client=fopen("client.log","a");
+                int bytes_recieved;
+                char send_data[1024];
+                char recv_data[1024];
+                char *key_iter;
+                struct hostent *host;
+                struct sockaddr_in server_addr;
+                int sock_port = 5000+PARAM(instance_id);
+            '''
+
+            temp_input_var = []
+            for item in self.input_port:
+                temp_input_var.append(
+                    "char temp_" + item.split(':')[0] + "[1024];"
+                )
+
+            # Start of INIT function
+            init_start_function = '''
+                if(INIT)
+                {
+                    /* Allocate storage for output ports ''' \
+                    '''and set the load for input ports */
+            '''
+
+            cm_event_alloc = []
+            cm_count_output = 0
+            for item in self.output_port:
+                cm_event_alloc.append(
+                    "cm_event_alloc(" +
+                    str(cm_count_output) + "," + item.split(':')[1] +
+                    "*sizeof(Digital_State_t));"
+                )
+                cm_count_output = cm_count_output + 1
+
+            load_in_port = []
+            for item in self.input_port:
+                load_in_port.append(
+                    "for(Ii=0;Ii<PORT_SIZE(" + item.split(':')[0] +
+                    ");Ii++)\n\t\t{\n\t\t\tLOAD(" + item.split(':')[0] +
+                    "[Ii])=PARAM(input_load); \n\t\t}"
+                )
+
+            cm_count_ptr = 0
+            cm_event_get_ptr = []
+            for item in self.output_port:
+                cm_event_get_ptr.append(
+                    "_op_" + item.split(':')[0] + " = _op_" +
+                    item.split(':')[0] +
+                    "_old = (Digital_State_t *) cm_event_get_ptr(" +
+                    str(cm_count_ptr) + ",0);"
+                )
+
+                cm_count_ptr = cm_count_ptr + 1
+
+            systime_info = '''
+                    /*Taking system time info for log */
+                    time_t systime;
+                    systime = time(NULL);
+                    printf(ctime(&systime));
+                    printf("Client-Initialising GHDL...\\n\\n");
+                    fprintf(log_client,"Setup Client Server Connection at %s \\n"''' \
+                    ''',ctime(&systime));
+            '''
+
+            els_evt_ptr = []
+            els_evt_count1 = 0
+            els_evt_count2 = 0
+            for item in self.output_port:
+                els_evt_ptr.append("_op_" + item.split(":")[0] +
+                                   " = (Digital_State_t *) cm_event_get_ptr(" +
+                                   str(els_evt_count1) + "," +
+                                   str(els_evt_count2) + ");")
+                els_evt_count2 = els_evt_count2 + 1
+                els_evt_ptr.append("_op_" + item.split(":")[0] + "_old" +
+                                   " = (Digital_State_t *) cm_event_get_ptr(" +
+                                   str(els_evt_count1) + "," +
+                                   str(els_evt_count2) + ");")
+                els_evt_count1 = els_evt_count1 + 1
+
+            client_setup_ip = '''
+                    /* Client Setup IP Addr */
+                    FILE *fptr;
+                    int ip_count = 0;
+                    char* my_ip = malloc(16);
+
+                    char ip_filename[40];
+                    sprintf(ip_filename, "C:/Windows/Temp/NGHDL_COMMON_IP_%d.txt", getpid());
+
+                    fptr = fopen(ip_filename, "r");
+                    if (fptr)
+                    {
+                        char line[20];
+                        int line_ptr;
+                        while(fscanf(fptr, "%s %d", line, &line_ptr) == 2) {
+                            ip_count++;
+                        }
+
+                        fclose(fptr);
+                    }
+
+                    if (ip_count < 255) {
+                        sprintf(my_ip, "127.0.0.%d", ip_count+1);
+                    } else {
+                        sprintf(my_ip, "127.0.%d.1", (ip_count+1)%256);
+                    }
+
+                    fptr = fopen(ip_filename, "a");
+                    if (fptr)
+                    {
+                        fprintf(fptr, "%s %d\\n", my_ip, sock_port);
+                        fclose(fptr);
+                    } else {
+                        perror("Client - cannot open Common_IP file ");
+                        exit(1);
+                    }
+
+                    STATIC_VAR(my_ip) = my_ip;
+            '''
+
+            client_fetch_ip = '''
+                /* Client Fetch IP Addr */
+
+                WSADATA WSAData;
+                SOCKET socket_fd;
+                WSAStartup(MAKEWORD(2, 2), &WSAData);
+
+                char* my_ip = STATIC_VAR(my_ip);
+
+                host = gethostbyname(my_ip);
+                fprintf(log_client,"Creating client socket \\n");
+            '''
+
+            create_socket = '''
+                //Creating socket for client
+                if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+                {
+                    perror("Client - Error while creating client Socket ");
+                    fprintf(log_client,
+                    "Error while creating client socket \\n");
+                    exit(1);
+                }
+
+                printf("Client-Socket (Id : %d) created\\n", socket_fd);
+                fprintf(log_client,"Client-Client Socket created ''' \
+                '''successfully \\n");
+                fprintf(log_client,"Client- Socket Id : %d \\n",socket_fd);
+
+                // memset(&server_addr, 0, sizeof(server_addr));
+                server_addr.sin_family = AF_INET;
+                server_addr.sin_port = htons(sock_port);
+                server_addr.sin_addr = *((struct in_addr *)host->h_addr);
+                bzero(&(server_addr.sin_zero),8);
+
+            '''
+
+            connect_server = '''
+                fprintf(log_client,"Client-Connecting to server \\n");
+
+                //Connecting to server
+                int try_limit=10;
+                while(try_limit>0)
+                {
+                    if (connect(socket_fd, (struct sockaddr*)&server_addr,''' \
+                    '''sizeof(struct sockaddr)) == -1)
+                    {
+                        sleep(1);
+                        try_limit--;
+                        if(try_limit==0)
+                        {
+                            fprintf(stderr,"Connect- Error:Tried to connect server on port,''' \
+                            '''failed...giving up \\n");
+                            fprintf(log_client,"Connect- Error:Tried to connect server on ''' \
+                            '''port, failed...giving up \\n");
+                            exit(1);
+                        }
+                    }
+                    else
+                    {
+                        printf("Client-Connected to server \\n");
+                        fprintf(log_client,"Client-Connected to server \\n");
+                        break;
+                    }
+                }
+            '''
+
+            # Assign bit value to every input
+            assign_data_to_input = []
+            for item in self.input_port:
+                assign_data_to_input.append("\tfor(Ii=0;Ii<PORT_SIZE(" +
+                                            item.split(':')[0] + ");Ii++)\n\
+            \t{\n\t\tif( INPUT_STATE(" + item.split(':')[0] + "[Ii])==ZERO )\n\
+            \t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='0';\n\t\t}\n\
+            \t\telse\n\t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='1';\n\
+            \t\t}\n\t}\n\ttemp_" + item.split(':')[0] + "[Ii]='\\0';\n\n")
+
+            snprintf_stmt = []
+            snprintf_count = 0
+            snprintf_stmt.append(
+                "\t//Sending and receiving data to-from server \n"
+            )
+            snprintf_stmt.append('\tsnprintf(send_data,sizeof(send_data),"')
+            for item in self.input_port:
+                snprintf_count = snprintf_count + 1
+                snprintf_stmt.append(item.split(':')[0] + ":%s")
+                if snprintf_count == len(self.input_port):
+                    snprintf_stmt.append('", ')
+                    internal_count = 0
+                    for item1 in self.input_port:
+                        if internal_count == len(self.input_port):
+                            pass
+                        else:
+                            snprintf_stmt.append("temp_" + item1.split(':')[0])
+                            internal_count = internal_count + 1
+                            if internal_count == len(self.input_port):
+                                pass
+                            else:
+                                snprintf_stmt.append(",")
+                    snprintf_stmt.append(");")
+                else:
+                    snprintf_stmt.append(",")
+
+            send_data = '''
+
+                if ( send(socket_fd,send_data,sizeof(send_data),0)==-1)
+                {
+                    fprintf(stderr, "Client-Failure Sending Message \\n");
+                    closesocket(socket_fd);
+                    exit(1);
+                }
+                else
+                {
+                    printf("Client-Message sent: %s \\n",send_data);
+                    fprintf(log_client,"Socket Id : %d & Message sent : %s \\n"''' \
+                    ''',socket_fd,send_data);
+                }
+
+            '''
+
+            recv_data = '''
+
+                bytes_recieved=recv(socket_fd,recv_data,sizeof(recv_data),0);
+                if ( bytes_recieved <= 0 )
+                {
+                    perror("Client-Either Connection Closed or Error ");
+                    exit(1);
+                }
+                recv_data[bytes_recieved] = '\\0';
+
+                printf("Client-Message Received -  %s\\n\\n",recv_data);
+                fprintf(log_client,"Message Received From Server-''' \
+                '''%s\\n",recv_data);
+
+            '''
+
+            # Scheduling output event
+            sch_output_event = []
+
+            for item in self.output_port:
+                sch_output_event.append(
+                    "\t/* Scheduling event and processing them */\n\
+            \tif((key_iter=strstr(recv_data, " + '"' + item.split(':')[0] + ':"'")) != NULL)\n\
+            \t{\n\
+            \t\twhile(*key_iter++ != ':');\n\
+            \t\tfor(Ii=0;*key_iter != ';';Ii++,key_iter++)\n\
+            \t\t{\n\
+            \t\t\tfprintf(log_client,\"Client-Bit val is %c \\n\",*key_iter);\n\
+            \t\t\tif(*key_iter=='0')\n\t\t\t{\n\
+            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ZERO;\n\t\t\t}\n\
+            \t\t\telse if(*key_iter=='1')\n\t\t\t{\n\
+            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ONE;\n\
+            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
+            \t\t\t\tfprintf(log_client,\"Unknow value return from server \\n\");\n\
+            \t\t\t\tprintf(\"Client-Unknown value return \\n\");\n\t\t\t}\n\n\
+            \t\t\tif(ANALYSIS == DC)\n\t\t\t{\n\
+            \t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
+            \t\t\t}\n\t\t\telse if(_op_" + item.split(':')[0] + "[Ii] != _op_" + item.split(':')[0] + "_old[Ii])\n\
+            \t\t\t{\n\t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
+            \t\t\t\tOUTPUT_DELAY(" + item.split(':')[0] + "[Ii]) = ((_op_" + item.split(':')[0] + "[Ii] == ZERO) ? PARAM(fall_delay) : PARAM(rise_delay));\n\
+            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
+            \t\t\t\tOUTPUT_CHANGED(" + item.split(':')[0] + "[Ii]) = FALSE;\n\t\t\t}\n\
+            \t\t\tOUTPUT_STRENGTH(" + item.split(':')[0] + "[Ii]) = STRONG;\n\
+            \t\t}\n\
+            \t}\n")
+
+            # Writing content in cfunc.mod file
+            cfunc.write(comment)
+            cfunc.write(header)
+            cfunc.write("\n")
+            cfunc.write(function_open)
+            cfunc.write("\n")
+
+            # Adding digital state Variable
+            for item in digital_state_output:
+                cfunc.write("\t" + item + "\n")
+
+            # Adding variable declaration section
+            cfunc.write(var_section)
+            for item in temp_input_var:
+                cfunc.write("\t" + item + "\n")
+            cfunc.write("\n")
+
+            # Adding INIT portion
+            cfunc.write(init_start_function)
+            for item in cm_event_alloc:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+
+            cfunc.write(2 * "\t" + "/* set the load for input ports. */")
+            cfunc.write("\n")
+            cfunc.write(2 * "\t" + "int Ii;")
+            cfunc.write("\n")
+
+            for item in load_in_port:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+            cfunc.write("\n")
+            cfunc.write(2 * "\t" + "/*Retrieve Storage for output*/")
+            cfunc.write("\n")
+            for item in cm_event_get_ptr:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+            cfunc.write(systime_info)
+            cfunc.write("\n")
+            cfunc.write(client_setup_ip)
+            cfunc.write("\n")
+            cfunc.write("\t\tchar command[1024];\n")
+            self.digital_home = self.parser.get('NGSPICE', 'DIGITAL_MODEL')
+            self.msys_home = self.parser.get('COMPILER', 'MSYS_HOME')
+            cmd_str2 = "\\'start_server.sh %d %s\\'" + "\\" + "\""
+            cmd_str1 = os.path.normpath("\"cd " + self.digital_home + "/" + self.fname.split(
+                '.')[0] + "/DUTghdl/ && " + self.msys_home + "/bash.exe -c ")
+            cmd_str1 = cmd_str1.replace("\\", "/")
+            cfunc.write('\t\tsnprintf(command,1024, "start /min cmd /c ' +
+                        '\\'+cmd_str1+cmd_str2+' &",sock_port,my_ip);')
+            cfunc.write('\n\t\tsystem(command);')
+            cfunc.write("\n\t}")
+            cfunc.write("\n")
+            cfunc.write("\telse\n\t{\n")
+
+            for item in els_evt_ptr:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+            cfunc.write("\t}")
+            cfunc.write("\n\n")
+
+            cfunc.write(client_fetch_ip)
+            cfunc.write(create_socket)
+            cfunc.write(connect_server)
+
+            cfunc.write("\t//Formating data for sending it to client\n")
+            cfunc.write("\tint Ii;\n\n")
+
+            for item in assign_data_to_input:
+                cfunc.write(item)
+
+            for item in snprintf_stmt:
+                cfunc.write(item)
+
+            cfunc.write(send_data)
+            cfunc.write(recv_data)
+
+            for item in sch_output_event:
+                cfunc.write(item)
+
+            # Close socket fd
+            cfunc.write("\tclosesocket(socket_fd);\n\n")
+
+            # close log_client file
+            cfunc.write("\tfclose(log_client);")
+
+            # Close cm_ function
+            cfunc.write("\n}")
+            cfunc.close()
+
+    else:
+        def createCfuncModFile(self):
+            # ### Creating content for cfunc.mod file ## #
+            print("Starting With cfunc.mod file")
+            cfunc = open('cfunc.mod', 'w')
+            print("Building content for cfunc.mod file")
+
+            comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
+            Developed by Fahim, Rahul at IIT Bombay */\n
+                    '''
+
+            header = '''
+            #include <stdio.h>
+            #include <math.h>
+            #include <string.h>
+            #include <time.h>
+            #include <sys/socket.h>
+            #include <sys/types.h>
+            #include <netinet/in.h>
+            #include <netdb.h>
+            #include <stdlib.h>
+            #include <unistd.h>
+            #include <errno.h>
+            '''
+
+            function_open = (
+                '''void cm_''' + self.fname.split('.')[0] + '''(ARGS) \n{''')
+
+            digital_state_output = []
+            for item in self.output_port:
+                digital_state_output.append(
+                    "Digital_State_t *_op_" + item.split(':')[0] +
+                    ", *_op_" + item.split(':')[0] + "_old;"
+                )
+
+            var_section = '''
+                // Declaring components of Client
+                FILE *log_client = NULL;
+                log_client=fopen("client.log","a");
+                int socket_fd, bytes_recieved;
+                char send_data[1024];
+                char recv_data[1024];
+                char *key_iter;
+                struct hostent *host;
+                struct sockaddr_in server_addr;
+                int sock_port = 5000+PARAM(instance_id);
+            '''
+
+            temp_input_var = []
+            for item in self.input_port:
+                temp_input_var.append(
+                    "char temp_" + item.split(':')[0] + "[1024];"
+                )
+
+            # Start of INIT function
+            init_start_function = '''
+                if(INIT)
+                {
+                    /* Allocate storage for output ports ''' \
+                    '''and set the load for input ports */
+            '''
+
+            cm_event_alloc = []
+            cm_count_output = 0
+            for item in self.output_port:
+                cm_event_alloc.append(
+                    "cm_event_alloc(" +
+                    str(cm_count_output) + "," + item.split(':')[1] +
+                    "*sizeof(Digital_State_t));"
+                )
+                cm_count_output = cm_count_output + 1
+
+            load_in_port = []
+            for item in self.input_port:
+                load_in_port.append(
+                    "for(Ii=0;Ii<PORT_SIZE(" + item.split(':')[0] +
+                    ");Ii++)\n\t\t{\n\t\t\tLOAD(" + item.split(':')[0] +
+                    "[Ii])=PARAM(input_load); \n\t\t}"
+                )
+
+            cm_count_ptr = 0
+            cm_event_get_ptr = []
+            for item in self.output_port:
+                cm_event_get_ptr.append(
+                    "_op_" + item.split(':')[0] + " = _op_" +
+                    item.split(':')[0] +
+                    "_old = (Digital_State_t *) cm_event_get_ptr(" +
+                    str(cm_count_ptr) + ",0);"
+                )
+
+                cm_count_ptr = cm_count_ptr + 1
+
+            systime_info = '''
+                    /*Taking system time info for log */
+                    time_t systime;
+                    systime = time(NULL);
+                    printf(ctime(&systime));
+                    printf("Client-Initialising GHDL...\\n\\n");
+                    fprintf(log_client,"Setup Client Server Connection at %s \\n"''' \
+                    ''',ctime(&systime));
+            '''
+
+            els_evt_ptr = []
+            els_evt_count1 = 0
+            els_evt_count2 = 0
+            for item in self.output_port:
+                els_evt_ptr.append("_op_" + item.split(":")[0] +
+                                   " = (Digital_State_t *) cm_event_get_ptr(" +
+                                   str(els_evt_count1) + "," +
+                                   str(els_evt_count2) + ");")
+                els_evt_count2 = els_evt_count2 + 1
+                els_evt_ptr.append("_op_" + item.split(":")[0] + "_old" +
+                                   " = (Digital_State_t *) cm_event_get_ptr(" +
+                                   str(els_evt_count1) + "," +
+                                   str(els_evt_count2) + ");")
+                els_evt_count1 = els_evt_count1 + 1
+
+            client_setup_ip = '''
+                    /* Client Setup IP Addr */
+                    FILE *fptr;
+                    int ip_count = 0;
+                    char* my_ip = malloc(16);
+                    char ip_filename[40];
+                    sprintf(ip_filename, "/tmp/NGHDL_COMMON_IP_%d.txt", getpid());
+                    fptr = fopen(ip_filename, "r");
+                    if (fptr)
+                    {
+                        char line_ip[20];
+                        int line_port;
+                        while(fscanf(fptr, "%s %d", line_ip, &line_port) == 2) {
+                            ip_count++;
+                        }
+                        fclose(fptr);
+                    }
+                    if (ip_count < 255) {
+                        sprintf(my_ip, "127.0.0.%d", ip_count+1);
+                    } else {
+                        sprintf(my_ip, "127.0.%d.1", (ip_count+1)%256);
+                    }
+                    fptr = fopen(ip_filename, "a");
+                    if (fptr)
+                    {
+                        fprintf(fptr, "%s %d\\n", my_ip, sock_port);
+                        fclose(fptr);
+                    } else {
+                        perror("Client - cannot open Common_IP file ");
+                        exit(1);
+                    }
+                    STATIC_VAR(my_ip) = my_ip;
+            '''
+
+            client_fetch_ip = '''
+                /* Client Fetch IP Addr */
+                char* my_ip = STATIC_VAR(my_ip);
+                host = gethostbyname(my_ip);
+                fprintf(log_client,"Creating client socket \\n");
+            '''
+
+            create_socket = '''
+                //Creating socket for client
+                if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+                {
+                    perror("Client - Error while creating client Socket ");
+                    fprintf(log_client,"Error while creating client socket \\n");
+                    exit(1);
+                }
+                printf("Client-Socket (Id : %d) created\\n", socket_fd);
+                fprintf(log_client,"Client-Client Socket created ''' \
+                '''successfully \\n");
+                fprintf(log_client,"Client- Socket Id : %d \\n",socket_fd);
+                // memset(&server_addr, 0, sizeof(server_addr));
+                server_addr.sin_family = AF_INET;
+                server_addr.sin_port = htons(sock_port);
+                server_addr.sin_addr = *((struct in_addr *)host->h_addr);
+                bzero(&(server_addr.sin_zero),8);
+            '''
+
+            connect_server = '''
+                fprintf(log_client,"Client-Connecting to server \\n");
+                //Connecting to server
+                int try_limit=10;
+                while(try_limit>0)
+                {
+                    if (connect(socket_fd, (struct sockaddr*)&server_addr,''' \
+                    '''sizeof(struct sockaddr)) == -1)
+                    {
+                        sleep(1);
+                        try_limit--;
+                        if(try_limit==0)
+                        {
+                            fprintf(stderr,"Connect- Error:Tried to connect server on port,''' \
+                            '''failed...giving up \\n");
+                            fprintf(log_client,"Connect- Error:Tried to connect server on ''' \
+                            '''port, failed...giving up \\n");
+                            exit(1);
+                        }
+                    }
+                    else
+                    {
+                        printf("Client-Connected to server \\n");
+                        fprintf(log_client,"Client-Connected to server \\n");
+                        break;
+                    }
+                }
+            '''
+
+            # Assign bit value to every input
+            assign_data_to_input = []
+            for item in self.input_port:
+                assign_data_to_input.append("\tfor(Ii=0;Ii<PORT_SIZE(" +
+                                            item.split(':')[0] + ");Ii++)\n\
+            \t{\n\t\tif( INPUT_STATE(" + item.split(':')[0] + "[Ii])==ZERO )\n\
+            \t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='0';\n\t\t}\n\
+            \t\telse\n\t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='1';\n\
+            \t\t}\n\t}\n\ttemp_" + item.split(':')[0] + "[Ii]='\\0';\n\n")
+
+            snprintf_stmt = []
+            snprintf_count = 0
+            snprintf_stmt.append(
+                "\t//Sending and receiving data to-from server \n"
+            )
+            snprintf_stmt.append('\tsnprintf(send_data,sizeof(send_data),"')
+            for item in self.input_port:
+                snprintf_count = snprintf_count + 1
+                snprintf_stmt.append(item.split(':')[0] + ":%s")
+                if snprintf_count == len(self.input_port):
+                    snprintf_stmt.append('", ')
+                    internal_count = 0
+                    for item1 in self.input_port:
+                        if internal_count == len(self.input_port):
+                            pass
+                        else:
+                            snprintf_stmt.append("temp_" + item1.split(':')[0])
+                            internal_count = internal_count + 1
+                            if internal_count == len(self.input_port):
+                                pass
+                            else:
+                                snprintf_stmt.append(",")
+                    snprintf_stmt.append(");")
+                else:
+                    snprintf_stmt.append(",")
+
+            send_data = '''
+                if ( send(socket_fd,send_data,sizeof(send_data),0)==-1)
+                {
+                    fprintf(stderr, "Client-Failure Sending Message \\n");
+                    close(socket_fd);
+                    exit(1);
+                }
+                else
+                {
+                    printf("Client-Message sent: %s \\n",send_data);
+                    fprintf(log_client,"Socket Id : %d & Message sent : %s \\n"''' \
+                    ''',socket_fd,send_data);
+                }
+            '''
+
+            recv_data = '''
+                bytes_recieved=recv(socket_fd,recv_data,sizeof(recv_data),0);
+                if ( bytes_recieved <= 0 )
+                {
+                    perror("Client-Either Connection Closed or Error ");
+                    exit(1);
+                }
+                recv_data[bytes_recieved] = '\\0';
+                printf("Client-Message Received -  %s\\n\\n",recv_data);
+                fprintf(log_client,"Message Received From Server-''' \
+                '''%s\\n",recv_data);
+            '''
+
+            # Scheduling output event
+            sch_output_event = []
+
+            for item in self.output_port:
+                sch_output_event.append(
+                    "\t/* Scheduling event and processing them */\n\
+            \tif((key_iter=strstr(recv_data, " + '"' + item.split(':')[0] + ':"'")) != NULL)\n\
+            \t{\n\
+            \t\twhile(*key_iter++ != ':');\n\
+            \t\tfor(Ii=0;*key_iter != ';';Ii++,key_iter++)\n\
+            \t\t{\n\
+            \t\t\tfprintf(log_client,\"Client-Bit val is %c \\n\",*key_iter);\n\
+            \t\t\tif(*key_iter=='0')\n\t\t\t{\n\
+            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ZERO;\n\t\t\t}\n\
+            \t\t\telse if(*key_iter=='1')\n\t\t\t{\n\
+            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ONE;\n\
+            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
+            \t\t\t\tfprintf(log_client,\"Unknow value return from server \\n\");\n\
+            \t\t\t\tprintf(\"Client-Unknown value return \\n\");\n\t\t\t}\n\n\
+            \t\t\tif(ANALYSIS == DC)\n\t\t\t{\n\
+            \t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
+            \t\t\t}\n\t\t\telse if(_op_" + item.split(':')[0] + "[Ii] != _op_" + item.split(':')[0] + "_old[Ii])\n\
+            \t\t\t{\n\t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
+            \t\t\t\tOUTPUT_DELAY(" + item.split(':')[0] + "[Ii]) = ((_op_" + item.split(':')[0] + "[Ii] == ZERO) ? PARAM(fall_delay) : PARAM(rise_delay));\n\
+            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
+            \t\t\t\tOUTPUT_CHANGED(" + item.split(':')[0] + "[Ii]) = FALSE;\n\t\t\t}\n\
+            \t\t\tOUTPUT_STRENGTH(" + item.split(':')[0] + "[Ii]) = STRONG;\n\
+            \t\t}\n\
+            \t}\n")
+
+            # Writing content in cfunc.mod file
+            cfunc.write(comment)
+            cfunc.write(header)
+            cfunc.write("\n")
+            cfunc.write(function_open)
+            cfunc.write("\n")
+
+            # Adding digital state Variable
+            for item in digital_state_output:
+                cfunc.write("\t" + item + "\n")
+
+            # Adding variable declaration section
+            cfunc.write(var_section)
+            for item in temp_input_var:
+                cfunc.write("\t" + item + "\n")
+            cfunc.write("\n")
+
+            # Adding INIT portion
+            cfunc.write(init_start_function)
+            for item in cm_event_alloc:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+
+            cfunc.write(2 * "\t" + "/* set the load for input ports. */")
+            cfunc.write("\n")
+            cfunc.write(2 * "\t" + "int Ii;")
+            cfunc.write("\n")
+
+            for item in load_in_port:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+            cfunc.write("\n")
+            cfunc.write(2 * "\t" + "/*Retrieve Storage for output*/")
+            cfunc.write("\n")
+            for item in cm_event_get_ptr:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+            cfunc.write(systime_info)
+            cfunc.write("\n")
+            cfunc.write(client_setup_ip)
+            cfunc.write("\n")
+            cfunc.write("\t\tchar command[1024];\n")
+            cfunc.write(
+                '\t\tsnprintf(command,1024,"' + self.home +
+                '/ngspice-nghdl/src/xspice/icm/ghdl/' +
+                self.fname.split('.')[0] +
+                '/DUTghdl/start_server.sh %d %s &",sock_port,my_ip);'
+            )
+            cfunc.write('\n\t\tsystem(command);')
+            cfunc.write("\n\t}")
+            cfunc.write("\n")
+            cfunc.write("\telse\n\t{\n")
+
+            for item in els_evt_ptr:
+                cfunc.write(2 * "\t" + item)
+                cfunc.write("\n")
+            cfunc.write("\t}")
+            cfunc.write("\n\n")
+
+            cfunc.write(client_fetch_ip)
+            cfunc.write(create_socket)
+            cfunc.write(connect_server)
+
+            cfunc.write("\t//Formating data for sending it to client\n")
+            cfunc.write("\tint Ii;\n\n")
+
+            for item in assign_data_to_input:
+                cfunc.write(item)
+
+            for item in snprintf_stmt:
+                cfunc.write(item)
+
+            cfunc.write(send_data)
+            cfunc.write(recv_data)
+
+            for item in sch_output_event:
+                cfunc.write(item)
+
+            # Close socket fd
+            cfunc.write("\tclose(socket_fd);\n\n")
+
+            # close log_client file
+            cfunc.write("\tfclose(log_client);")
+
+            # Close cm_ function
+            cfunc.write("\n}")
+            cfunc.close()
+
+    def createIfSpecFile(self):
+
+        # ################### Creating ifspec.ifs file #################### #
+
+        print("Starting with ifspec.ifs file")
+        ifspec = open('ifspec.ifs', 'w')
+
+        print("Gathering Al the content for ifspec file")
+
+        ifspec_comment = '''
+        /*
+        SUMMARY: This file is auto generated and it contains the interface
+         specification for the code model. */\n
+        '''
+
+        name_table = 'NAME_TABLE:\n\
+        C_Function_Name: cm_' + self.fname.split('.')[0] + '\n\
+        Spice_Model_Name: ' + self.fname.split('.')[0] + '\n\
+        Description: "Model generated from ghdl code ' + self.fname + '" \n'
+
+        # Input and Output Port Table
+        in_port_table = []
+        out_port_table = []
+
+        for item in self.input_port:
+            port_table = 'PORT_TABLE:\n'
+            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
+            description = (
+                'Description:\t"input port ' + item.split(':')[0] + '"\n'
+            )
+            direction = 'Direction:\tin\n'
+            default_type = 'Default_Type:\td\n'
+            allowed_type = 'Allowed_Types:\t[d]\n'
+            vector = 'Vector:\tyes\n'
+            vector_bounds = (
+                'Vector_Bounds:\t[' + item.split(':')[1] +
+                ' ' + item.split(":")[1] + ']\n'
+            )
+            null_allowed = 'Null_Allowed:\tno\n'
+
+            # Insert detail in the list
+            in_port_table.append(
+                port_table + port_name + description +
+                direction + default_type + allowed_type +
+                vector + vector_bounds + null_allowed
+            )
+
+        for item in self.output_port:
+            port_table = 'PORT_TABLE:\n'
+            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
+            description = (
+                'Description:\t"output port ' + item.split(':')[0] + '"\n'
+            )
+            direction = 'Direction:\tout\n'
+            default_type = 'Default_Type:\td\n'
+            allowed_type = 'Allowed_Types:\t[d]\n'
+            vector = 'Vector:\tyes\n'
+            vector_bounds = (
+                'Vector_Bounds:\t[' + item.split(':')[1] +
+                ' ' + item.split(":")[1] + ']\n'
+            )
+            null_allowed = 'Null_Allowed:\tno\n'
+
+            # Insert detail in the list
+            in_port_table.append(
+                port_table + port_name + description +
+                direction + default_type + allowed_type +
+                vector + vector_bounds + null_allowed
+            )
+
+        parameter_table = '''
+
+        PARAMETER_TABLE:
+        Parameter_Name:     instance_id                  input_load
+        Description:        "instance_id"                "input load value (F)"
+        Data_Type:          real                         real
+        Default_Value:      0                            1.0e-12
+        Limits:             -                            -
+        Vector:              no                          no
+        Vector_Bounds:       -                           -
+        Null_Allowed:       yes                          yes
+
+        PARAMETER_TABLE:
+        Parameter_Name:     rise_delay                  fall_delay
+        Description:        "rise delay"                "fall delay"
+        Data_Type:          real                        real
+        Default_Value:      1.0e-9                      1.0e-9
+        Limits:             [1e-12 -]                   [1e-12 -]
+        Vector:              no                          no
+        Vector_Bounds:       -                           -
+        Null_Allowed:       yes                         yes
+
+        '''
+
+        static_table = '''
+
+        STATIC_VAR_TABLE:
+
+        Static_Var_Name:    my_ip
+        Data_Type:          pointer
+        Description:        "connect to ghdlserver through this ip"
+
+        '''
+
+        # Writing all the content in ifspec file
+        ifspec.write(ifspec_comment)
+        ifspec.write(name_table + "\n\n")
+
+        for item in in_port_table:
+            ifspec.write(item + "\n")
+
+        ifspec.write("\n")
+
+        for item in out_port_table:
+            ifspec.write(item + "\n")
+
+        ifspec.write("\n")
+        ifspec.write(parameter_table)
+        ifspec.write("\n")
+        ifspec.write(static_table)
+        ifspec.close()
+
+    def createTestbench(self):
+
+        # #################### Creating testbench file ##################### #
+
+        print("Starting with testbench file")
+
+        testbench = open(self.fname.split('.')[0] + '_tb.vhdl', 'w')
+        print(self.fname.split('.')[0] + '_tb.vhdl')
+
+        # comment
+        comment_vhdl = "------------------------------------------------------"
+        comment_vhdl += "--------------------------\n"
+        comment_vhdl += "--This testbench has been created by "
+        comment_vhdl += "Ambikeshwar Srivastava, Rahul Paknikar \n"
+        comment_vhdl += "--------------------------- FOSSEE, IIT Bombay ------"
+        comment_vhdl += "---------------------------\n"
+        comment_vhdl += "-----------------------------------------------------"
+        comment_vhdl += "---------------------------\n"
+
+        # Adding header, entity and architecture statement
+        tb_header = '''
+        library ieee;
+        use ieee.std_logic_1164.all;
+        use ieee.numeric_std.all;
+        library work;
+        use work.Vhpi_Foreign.all;
+        use work.Utility_Package.all;
+        use work.sock_pkg.all;
+
+        '''
+
+        tb_entity = ("entity " + self.fname.split('.')[0] +
+                     "_tb is\nend entity;\n\n")
+
+        arch = ("architecture " + self.fname.split('.')[0] + "_tb_beh of " +
+                self.fname.split('.')[0] + "_tb is\n")
+
+        # Adding components
+        components = []
+        components.append("\tcomponent " + self.fname.split('.')[0] +
+                          " is\n\t\tport(\n\t\t\t\t")
+
+        port_vector_count = 0
+
+        for item in self.input_port:
+            if self.port_vector_info[port_vector_count]:
+                components.append(
+                    item.split(':')[0] + ": in std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) +
+                    " downto 0);\n\t\t\t\t"
+                )
+            else:
+                components.append(
+                    item.split(':')[0] + ": in std_logic;\n\t\t\t\t"
+                )
+
+            port_vector_count += 1
+            # if item.split(":")[1] != '1':
+            #     components.append(
+            #         item.split(':')[0] + ": in std_logic_vector(" +
+            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
+            #         "\n\t\t\t\t"
+            #     )
+            # else:
+            #     components.append(
+            #         item.split(':')[0] + ": in std_logic_vector(" +
+            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
+            #         "\n\t\t\t\t"
+            #     )
+        for item in self.output_port[:-1]:
+            if self.port_vector_info[port_vector_count]:
+                components.append(
+                    item.split(':')[0] + ": out std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) +
+                    " downto 0);\n\t\t\t\t"
+                )
+            else:
+                components.append(
+                    item.split(':')[0] + ": out std_logic;\n\t\t\t\t"
+                )
+
+            port_vector_count += 1
+
+        if self.port_vector_info[port_vector_count]:
+            components.append(
+                self.output_port[-1].split(':')[0] +
+                ": out std_logic_vector(" +
+                str(int(self.output_port[-1].split(':')[1]) - int(1)) +
+                " downto 0)\n\t\t\t\t"
+            )
+        else:
+            components.append(self.output_port[-1].split(':')[0] +
+                              ": out std_logic\n\t\t\t\t")
+            # if item.split(":")[1] != '1':
+            #    components.append(item.split(':')[0]+":
+            # out std_logic_vector("
+            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
+            # else:
+            #    components.append(item.split(':')[0]+":
+            # out std_logic_vector("
+            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
+
+        components.append(");\n")
+        components.append("\tend component;\n\n")
+
+        # Adding signals
+        signals = []
+        signals.append("\tsignal clk_s : std_logic := '0';\n")
+
+        port_vector_count = 0
+
+        for item in self.input_port:
+            if self.port_vector_info[port_vector_count]:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+                )
+            else:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
+                )
+            port_vector_count += 1
+
+            # if item.split(":")[1] != '1':
+            #    signals.append("\tsignal "+item.split(':')[0]+":
+            #                   std_logic_vector("+str(int(item.split(':')[1])-
+            #                   int(1))+" downto 0);\n")
+            # else:
+            #    signals.append("\tsignal "+item.split(':')[0]+":
+            #                   std_logic_vector("+str(int(item.split(':')[1])-
+            #                   int(1))+" downto 0);\n")
+
+        for item in self.output_port:
+            if self.port_vector_info[port_vector_count]:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+                )
+            else:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
+                )
+
+            port_vector_count += 1
+            # if item.split(":")[1] != '1':
+            #     signals.append(
+            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
+            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+            #     )
+            # else:
+            #     signals.append(
+            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
+            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+            #     )
+
+        # Adding mapping part
+        map = []
+        map.append("\tu1 : " + self.fname.split('.')[0] + " port map(\n")
+
+        for item in self.input_port:
+            map.append("\t\t\t\t" + item.split(':')[0] +
+                       " => " + item.split(':')[0] + ",\n")
+
+        for item in self.output_port:
+            if self.output_port.index(item) == len(self.output_port) - 1:
+                map.append("\t\t\t\t" + item.split(':')[0] +
+                           " => " + item.split(':')[0] + "\n")
+            else:
+                map.append("\t\t\t\t" + item.split(':')[0] +
+                           " => " + item.split(':')[0] + ",\n")
+        map.append("\t\t\t);")
+
+        # Testbench Clock
+        tb_clk = "clk_s <= not clk_s after 5 us;\n\n"
+
+        # Adding Process block for Vhpi
+        process_Vhpi = []
+        process_Vhpi.append(
+            "process\n\t\tvariable sock_port : integer;" +
+            "\n\t\ttype string_ptr is access string;" +
+            "\n\t\tvariable sock_ip : string_ptr;" +
+            "\n\t\tbegin\n\t\tsock_port := sock_port_fun;" +
+            "\n\t\tsock_ip := new string'(sock_ip_fun);" +
+            "\n\t\tVhpi_Initialize(sock_port," +
+            "Pack_String_To_Vhpi_String(sock_ip.all));" +
+            "\n\t\twait until clk_s = '1';" +
+            "\n\t\twhile true loop\n\t\t\twait until clk_s = '0';" +
+            "\n\t\t\tVhpi_Listen;\n\t\t\twait for 1 us;\n\t\t\t" +
+            "Vhpi_Send;" +
+            "\n\t\tend loop;\n\t\twait;\n\tend process;\n\n"
+        )
+
+        # Adding process block
+        process = []
+        process.append("\tprocess\n")
+        process.append("\t\tvariable count : integer:=0;\n")
+
+        for item in self.input_port:
+            process.append(
+                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
+            )
+
+        for item in self.output_port:
+            process.append(
+                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
+            )
+
+        process.append("\t\tvariable obj_ref : VhpiString;\n")
+        process.append("\tbegin\n")
+        process.append("\t\twhile true loop\n")
+        process.append("\t\t\twait until clk_s = '0';\n\n")
+
+        port_vector_count = 0
+
+        for item in self.input_port:
+            process.append(
+                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
+                item.split(':')[0] + '");\n'
+            )
+            process.append(
+                '\t\t\tVhpi_Get_Port_Value(obj_ref,' +
+                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
+            )
+
+            if self.port_vector_info[port_vector_count]:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    ' <= Unpack_String(' + item.split(':')[0] + '_v,' +
+                    item.split(':')[1] + ');\n'
+                )
+            else:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    ' <= To_Std_Logic('+item.split(':')[0]+'_v'+');\n'
+                )
+
+            port_vector_count += 1
+            process.append("\n")
+
+        process.append('\t\t\twait for 1 us;\n')
+
+        for item in self.output_port:
+            if self.port_vector_info[port_vector_count]:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    '_v := Pack_String_To_Vhpi_String' +
+                    '(Convert_SLV_To_String(' +
+                    item.split(':')[0]+'));\n'
+                )
+            else:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    '_v := Pack_String_To_Vhpi_String(To_String(' +
+                    item.split(':')[0]+'));\n'
+                )
+
+            port_vector_count += 1
+
+            process.append(
+                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
+                item.split(':')[0]+'");\n'
+            )
+            process.append(
+                '\t\t\tVhpi_Set_Port_Value(obj_ref,' +
+                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
+            )
+            process.append("\n")
+
+        process.append(
+            '\t\t\treport "Iteration - "' +
+            "& integer'image(count) severity note;\n"
+        )
+        process.append('\t\t\tcount := count + 1;\n')
+        process.append("\t\tend loop;\n")
+        process.append("\tend process;\n\n")
+        process.append("end architecture;")
+
+        # Writing all the components to testbench file
+        testbench.write(comment_vhdl)
+        testbench.write(tb_header)
+        testbench.write(tb_entity)
+        testbench.write(arch)
+
+        for item in components:
+            testbench.write(item)
+
+        for item in signals:
+            testbench.write(item)
+
+        testbench.write("\n\n")
+
+        testbench.write("begin\n\n")
+
+        for item in map:
+            testbench.write(item)
+
+        testbench.write("\n\t"+tb_clk)
+
+        for item in process_Vhpi:
+            testbench.write(item)
+
+        for item in process:
+            testbench.write(item)
+
+        testbench.close()
+
+    def createServerScript(self):
+
+        # ####### Creating and writing components in start_server.sh ####### #
+        self.digital_home = self.parser.get('NGSPICE', 'DIGITAL_MODEL')
+
+        start_server = open('start_server.sh', 'w')
+
+        start_server.write("#!/bin/bash\n\n")
+        start_server.write(
+            "###This server run ghdl testebench for infinite time till " +
+            "ngspice send END signal to stop it\n\n"
+        )
+        #08.June.2020 - BM - Use correct path with respect to particular OS
+        if os.name == 'nt':
+            pathstr = self.digital_home + "/" + \
+                self.fname.split('.')[0] + "/DUTghdl/"
+            pathstr = pathstr.replace("\\", "/")
+            start_server.write("cd "+pathstr+"\n")
+        else:
+            start_server.write("cd "+self.digital_home +
+                               "/" + self.fname.split('.')[0] + "/DUTghdl/\n")
+        start_server.write("chmod 775 sock_pkg_create.sh &&\n")
+        start_server.write("./sock_pkg_create.sh $1 $2 &&\n")
+        start_server.write("ghdl -i *.vhdl &&\n")
+        start_server.write("ghdl -a *.vhdl &&\n")
+        start_server.write("ghdl -a "+self.fname+" &&\n")
+        start_server.write(
+            "ghdl -a "+self.fname.split('.')[0]+"_tb.vhdl  &&\n"
+        )
+        #08.June.2020 - BM - If OS i Windows, link server with libws2_32.a
+        if os.name == 'nt':
+            start_server.write("ghdl -e -Wl,ghdlserver.o " +
+                               "-Wl,libws2_32.a " + self.fname.split('.')[0] + "_tb &&\n")
+            start_server.write("./"+self.fname.split('.')[0]+"_tb.exe")
+        else:
+            start_server.write("ghdl -e -Wl,ghdlserver.o " +
+                               self.fname.split('.')[0] + "_tb &&\n")
+            start_server.write("./"+self.fname.split('.')[0]+"_tb")
+
+        start_server.close()
+
+    def createSockScript(self):
+
+        # ########### Creating and writing in sock_pkg_create.sh ########### #
+
+        sock_pkg_create = open('sock_pkg_create.sh', 'w')
+
+        sock_pkg_create.write("#!/bin/bash\n\n")
+        sock_pkg_create.write(
+            "##This file creates sock_pkg.vhdl file and sets the port " +
+            "and ip from parameters passed to it\n\n"
+        )
+        sock_pkg_create.write("echo \"library ieee;\n")
+        sock_pkg_create.write("package sock_pkg is\n")
+        sock_pkg_create.write("\tfunction sock_port_fun return integer;\n")
+        sock_pkg_create.write("\tfunction sock_ip_fun return string;\n")
+        sock_pkg_create.write("end;\n\n")
+        sock_pkg_create.write("package body sock_pkg is\n")
+        sock_pkg_create.write("\tfunction sock_port_fun return integer is\n")
+        sock_pkg_create.write("\t\tvariable sock_port : integer;\n")
+        sock_pkg_create.write("\t\t\tbegin\n")
+        sock_pkg_create.write("\t\t\t\tsock_port := $1;\n")
+        sock_pkg_create.write("\t\t\t\treturn sock_port;\n")
+        sock_pkg_create.write("\t\t\tend function;\n\n")
+        sock_pkg_create.write("\tfunction sock_ip_fun return string is\n")
+        sock_pkg_create.write("\t\ttype string_ptr is access string;\n")
+        sock_pkg_create.write("\t\tvariable sock_ip : string_ptr;\n")
+        sock_pkg_create.write("\t\t\tbegin\n")
+        sock_pkg_create.write('\t\t\t\tsock_ip := new string\'(\\"$2\\");\n')
+        sock_pkg_create.write("\t\t\t\treturn sock_ip.all;\n")
+        sock_pkg_create.write("\t\t\tend function;\n\n")
+        sock_pkg_create.write("\t\tend package body;\" > sock_pkg.vhdl")
-- 
cgit 


From d8423a5909a5bbac9b17761a1ea844cb2ca401a0 Mon Sep 17 00:00:00 2001
From: Bladen Martin
Date: Tue, 14 Jul 2020 11:45:06 +0530
Subject: OS - independent with Windows compatability

---
 src/model_generation.py | 2564 ++++++++++++++++++++---------------------------
 1 file changed, 1114 insertions(+), 1450 deletions(-)

(limited to 'src/model_generation.py')

diff --git a/src/model_generation.py b/src/model_generation.py
index 305ced8..7baecc1 100644
--- a/src/model_generation.py
+++ b/src/model_generation.py
@@ -1,1450 +1,1114 @@
-#!/usr/bin/python3
-
-import re
-import os
-from configparser import SafeConfigParser
-
-
-class ModelGeneration:
-
-    def __init__(self, file):
-
-        # Script starts from here
-        print("Arguement is : ", file)
-        self.fname = os.path.basename(file)
-        print("VHDL filename is : ", self.fname)
-        self.home = os.path.expanduser("~")
-        self.parser = SafeConfigParser()
-        self.parser.read(os.path.join(
-            self.home, os.path.join('.nghdl', 'config.ini')))
-        self.ngspice_home = self.parser.get('NGSPICE', 'NGSPICE_HOME')
-        self.release_dir = self.parser.get('NGSPICE', 'RELEASE')
-        self.src_home = self.parser.get('SRC', 'SRC_HOME')
-        self.licensefile = self.parser.get('SRC', 'LICENSE')
-
-        # #### Creating connection_info.txt file from vhdl file #### #
-        read_vhdl = open(file, 'r')
-        vhdl_data = read_vhdl.readlines()
-        read_vhdl.close()
-
-        start_flag = -1  # Used for scaning part of data
-        scan_data = []
-        # p=re.search('port(.*?)end',read_vhdl,re.M|re.I|re.DOTALL).group()
-
-        for item in vhdl_data:
-            if re.search('port', item, re.I):
-                start_flag = 1
-
-            elif re.search("end", item, re.I):
-                start_flag = 0
-
-            if start_flag == 1:
-                item = re.sub("port", " ", item, flags=re.I)
-                item = re.sub("\(", " ", item, flags=re.I)      # noqa
-                item = re.sub("\)", " ", item, flags=re.I)      # noqa
-                item = re.sub(";", " ", item, flags=re.I)
-
-                scan_data.append(item.rstrip())
-                scan_data = [_f for _f in scan_data if _f]
-            elif start_flag == 0:
-                break
-
-        port_info = []
-        self.port_vector_info = []
-
-        for item in scan_data:
-            print("Scan Data :", item)
-            if re.search("in", item, flags=re.I):
-                if re.search("std_logic_vector", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
-                elif re.search("std_logic", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
-                else:
-                    raise ValueError("Please check your vhdl " +
-                                     "code for datatype of input port")
-            elif re.search("out", item, flags=re.I):
-                if re.search("std_logic_vector", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
-                elif re.search("std_logic", item, flags=re.I):
-                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
-                else:
-                    raise ValueError("Please check your vhdl " +
-                                     "code for datatype of output port")
-            else:
-                raise ValueError(
-                    "Please check the in/out direction of your port"
-                )
-
-            lhs = temp.split(item)[0]
-            rhs = temp.split(item)[1]
-            bit_info = re.compile(r"\s*downto\s*", flags=re.I).split(rhs)[0]
-            if bit_info:
-                port_info.append(lhs + ":" + str(int(bit_info) + int(1)))
-                self.port_vector_info.append(1)
-            else:
-                port_info.append(lhs + ":" + str(int(1)))
-                self.port_vector_info.append(0)
-
-        print("Port Info :", port_info)
-
-        # Open connection_info.txt file
-        con_ifo = open('connection_info.txt', 'w')
-
-        for item in port_info:
-            word = item.split(':')
-            con_ifo.write(
-                word[0].strip() + ' ' + word[1].strip() + ' ' + word[2].strip()
-            )
-            con_ifo.write("\n")
-        con_ifo.close()
-
-    def readPortInfo(self):
-
-        # ############## Reading connection/port information ############## #
-
-        # Declaring input and output list
-        input_list = []
-        output_list = []
-
-        # Reading connection_info.txt file for port infomation
-        read_file = open('connection_info.txt', 'r')
-        data = read_file.readlines()
-        read_file.close()
-
-        # Extracting input and output port list from data
-        print("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")
-        for line in data:
-            print(line)
-            if re.match(r'^\s*$', line):
-                pass
-            else:
-                in_items = re.findall(
-                    "IN", line, re.MULTILINE | re.IGNORECASE
-                )
-                out_items = re.findall(
-                    "OUT", line, re.MULTILINE | re.IGNORECASE
-                )
-                if in_items:
-                    input_list.append(line.split())
-
-                if out_items:
-                    output_list.append(line.split())
-
-        print("Inout List :", input_list)
-        print("Output list", output_list)
-
-        self.input_port = []
-        self.output_port = []
-
-        # creating list of input and output port with its weight
-        for input in input_list:
-            self.input_port.append(input[0]+":"+input[2])
-        for output in output_list:
-            self.output_port.append(output[0]+":"+output[2])
-
-        print("Output Port List : ", self.output_port)
-        print("Input Port List : ", self.input_port)
-
-#08.June.2020 - BM - If OS is Windows, write Windows socket version of cfunc.mod, else write Linux(BSD) socket version
-    if os.name == 'nt':
-        def createCfuncModFile(self):
-
-            # ## Creating content for cfunc.mod file ## #
-
-            print("Starting With cfunc.mod file")
-            cfunc = open('cfunc.mod', 'w')
-            print("Building content for cfunc.mod file")
-
-            comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
-            Developed by Fahim, Rahul at IIT Bombay */\n
-                    '''
-
-            header = '''
-            #include <stdio.h>
-            #include <math.h>
-            #include <string.h>
-            #include <time.h>
-            #include <sys/types.h>
-            #include <stdlib.h>
-            #include <unistd.h>
-            #include <errno.h>
-
-            #undef BOOLEAN
-            #include<winsock2.h>
-            '''
-
-            function_open = (
-                '''void cm_''' + self.fname.split('.')[0] + '''(ARGS) \n{''')
-
-            digital_state_output = []
-            for item in self.output_port:
-                digital_state_output.append(
-                    "Digital_State_t *_op_" + item.split(':')[0] +
-                    ", *_op_" + item.split(':')[0] + "_old;"
-                )
-
-            var_section = '''
-                // Declaring components of Client
-                FILE *log_client = NULL;
-                log_client=fopen("client.log","a");
-                int bytes_recieved;
-                char send_data[1024];
-                char recv_data[1024];
-                char *key_iter;
-                struct hostent *host;
-                struct sockaddr_in server_addr;
-                int sock_port = 5000+PARAM(instance_id);
-            '''
-
-            temp_input_var = []
-            for item in self.input_port:
-                temp_input_var.append(
-                    "char temp_" + item.split(':')[0] + "[1024];"
-                )
-
-            # Start of INIT function
-            init_start_function = '''
-                if(INIT)
-                {
-                    /* Allocate storage for output ports ''' \
-                    '''and set the load for input ports */
-            '''
-
-            cm_event_alloc = []
-            cm_count_output = 0
-            for item in self.output_port:
-                cm_event_alloc.append(
-                    "cm_event_alloc(" +
-                    str(cm_count_output) + "," + item.split(':')[1] +
-                    "*sizeof(Digital_State_t));"
-                )
-                cm_count_output = cm_count_output + 1
-
-            load_in_port = []
-            for item in self.input_port:
-                load_in_port.append(
-                    "for(Ii=0;Ii<PORT_SIZE(" + item.split(':')[0] +
-                    ");Ii++)\n\t\t{\n\t\t\tLOAD(" + item.split(':')[0] +
-                    "[Ii])=PARAM(input_load); \n\t\t}"
-                )
-
-            cm_count_ptr = 0
-            cm_event_get_ptr = []
-            for item in self.output_port:
-                cm_event_get_ptr.append(
-                    "_op_" + item.split(':')[0] + " = _op_" +
-                    item.split(':')[0] +
-                    "_old = (Digital_State_t *) cm_event_get_ptr(" +
-                    str(cm_count_ptr) + ",0);"
-                )
-
-                cm_count_ptr = cm_count_ptr + 1
-
-            systime_info = '''
-                    /*Taking system time info for log */
-                    time_t systime;
-                    systime = time(NULL);
-                    printf(ctime(&systime));
-                    printf("Client-Initialising GHDL...\\n\\n");
-                    fprintf(log_client,"Setup Client Server Connection at %s \\n"''' \
-                    ''',ctime(&systime));
-            '''
-
-            els_evt_ptr = []
-            els_evt_count1 = 0
-            els_evt_count2 = 0
-            for item in self.output_port:
-                els_evt_ptr.append("_op_" + item.split(":")[0] +
-                                   " = (Digital_State_t *) cm_event_get_ptr(" +
-                                   str(els_evt_count1) + "," +
-                                   str(els_evt_count2) + ");")
-                els_evt_count2 = els_evt_count2 + 1
-                els_evt_ptr.append("_op_" + item.split(":")[0] + "_old" +
-                                   " = (Digital_State_t *) cm_event_get_ptr(" +
-                                   str(els_evt_count1) + "," +
-                                   str(els_evt_count2) + ");")
-                els_evt_count1 = els_evt_count1 + 1
-
-            client_setup_ip = '''
-                    /* Client Setup IP Addr */
-                    FILE *fptr;
-                    int ip_count = 0;
-                    char* my_ip = malloc(16);
-
-                    char ip_filename[40];
-                    sprintf(ip_filename, "C:/Windows/Temp/NGHDL_COMMON_IP_%d.txt", getpid());
-
-                    fptr = fopen(ip_filename, "r");
-                    if (fptr)
-                    {
-                        char line[20];
-                        int line_ptr;
-                        while(fscanf(fptr, "%s %d", line, &line_ptr) == 2) {
-                            ip_count++;
-                        }
-
-                        fclose(fptr);
-                    }
-
-                    if (ip_count < 255) {
-                        sprintf(my_ip, "127.0.0.%d", ip_count+1);
-                    } else {
-                        sprintf(my_ip, "127.0.%d.1", (ip_count+1)%256);
-                    }
-
-                    fptr = fopen(ip_filename, "a");
-                    if (fptr)
-                    {
-                        fprintf(fptr, "%s %d\\n", my_ip, sock_port);
-                        fclose(fptr);
-                    } else {
-                        perror("Client - cannot open Common_IP file ");
-                        exit(1);
-                    }
-
-                    STATIC_VAR(my_ip) = my_ip;
-            '''
-
-            client_fetch_ip = '''
-                /* Client Fetch IP Addr */
-
-                WSADATA WSAData;
-                SOCKET socket_fd;
-                WSAStartup(MAKEWORD(2, 2), &WSAData);
-
-                char* my_ip = STATIC_VAR(my_ip);
-
-                host = gethostbyname(my_ip);
-                fprintf(log_client,"Creating client socket \\n");
-            '''
-
-            create_socket = '''
-                //Creating socket for client
-                if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
-                {
-                    perror("Client - Error while creating client Socket ");
-                    fprintf(log_client,
-                    "Error while creating client socket \\n");
-                    exit(1);
-                }
-
-                printf("Client-Socket (Id : %d) created\\n", socket_fd);
-                fprintf(log_client,"Client-Client Socket created ''' \
-                '''successfully \\n");
-                fprintf(log_client,"Client- Socket Id : %d \\n",socket_fd);
-
-                // memset(&server_addr, 0, sizeof(server_addr));
-                server_addr.sin_family = AF_INET;
-                server_addr.sin_port = htons(sock_port);
-                server_addr.sin_addr = *((struct in_addr *)host->h_addr);
-                bzero(&(server_addr.sin_zero),8);
-
-            '''
-
-            connect_server = '''
-                fprintf(log_client,"Client-Connecting to server \\n");
-
-                //Connecting to server
-                int try_limit=10;
-                while(try_limit>0)
-                {
-                    if (connect(socket_fd, (struct sockaddr*)&server_addr,''' \
-                    '''sizeof(struct sockaddr)) == -1)
-                    {
-                        sleep(1);
-                        try_limit--;
-                        if(try_limit==0)
-                        {
-                            fprintf(stderr,"Connect- Error:Tried to connect server on port,''' \
-                            '''failed...giving up \\n");
-                            fprintf(log_client,"Connect- Error:Tried to connect server on ''' \
-                            '''port, failed...giving up \\n");
-                            exit(1);
-                        }
-                    }
-                    else
-                    {
-                        printf("Client-Connected to server \\n");
-                        fprintf(log_client,"Client-Connected to server \\n");
-                        break;
-                    }
-                }
-            '''
-
-            # Assign bit value to every input
-            assign_data_to_input = []
-            for item in self.input_port:
-                assign_data_to_input.append("\tfor(Ii=0;Ii<PORT_SIZE(" +
-                                            item.split(':')[0] + ");Ii++)\n\
-            \t{\n\t\tif( INPUT_STATE(" + item.split(':')[0] + "[Ii])==ZERO )\n\
-            \t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='0';\n\t\t}\n\
-            \t\telse\n\t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='1';\n\
-            \t\t}\n\t}\n\ttemp_" + item.split(':')[0] + "[Ii]='\\0';\n\n")
-
-            snprintf_stmt = []
-            snprintf_count = 0
-            snprintf_stmt.append(
-                "\t//Sending and receiving data to-from server \n"
-            )
-            snprintf_stmt.append('\tsnprintf(send_data,sizeof(send_data),"')
-            for item in self.input_port:
-                snprintf_count = snprintf_count + 1
-                snprintf_stmt.append(item.split(':')[0] + ":%s")
-                if snprintf_count == len(self.input_port):
-                    snprintf_stmt.append('", ')
-                    internal_count = 0
-                    for item1 in self.input_port:
-                        if internal_count == len(self.input_port):
-                            pass
-                        else:
-                            snprintf_stmt.append("temp_" + item1.split(':')[0])
-                            internal_count = internal_count + 1
-                            if internal_count == len(self.input_port):
-                                pass
-                            else:
-                                snprintf_stmt.append(",")
-                    snprintf_stmt.append(");")
-                else:
-                    snprintf_stmt.append(",")
-
-            send_data = '''
-
-                if ( send(socket_fd,send_data,sizeof(send_data),0)==-1)
-                {
-                    fprintf(stderr, "Client-Failure Sending Message \\n");
-                    closesocket(socket_fd);
-                    exit(1);
-                }
-                else
-                {
-                    printf("Client-Message sent: %s \\n",send_data);
-                    fprintf(log_client,"Socket Id : %d & Message sent : %s \\n"''' \
-                    ''',socket_fd,send_data);
-                }
-
-            '''
-
-            recv_data = '''
-
-                bytes_recieved=recv(socket_fd,recv_data,sizeof(recv_data),0);
-                if ( bytes_recieved <= 0 )
-                {
-                    perror("Client-Either Connection Closed or Error ");
-                    exit(1);
-                }
-                recv_data[bytes_recieved] = '\\0';
-
-                printf("Client-Message Received -  %s\\n\\n",recv_data);
-                fprintf(log_client,"Message Received From Server-''' \
-                '''%s\\n",recv_data);
-
-            '''
-
-            # Scheduling output event
-            sch_output_event = []
-
-            for item in self.output_port:
-                sch_output_event.append(
-                    "\t/* Scheduling event and processing them */\n\
-            \tif((key_iter=strstr(recv_data, " + '"' + item.split(':')[0] + ':"'")) != NULL)\n\
-            \t{\n\
-            \t\twhile(*key_iter++ != ':');\n\
-            \t\tfor(Ii=0;*key_iter != ';';Ii++,key_iter++)\n\
-            \t\t{\n\
-            \t\t\tfprintf(log_client,\"Client-Bit val is %c \\n\",*key_iter);\n\
-            \t\t\tif(*key_iter=='0')\n\t\t\t{\n\
-            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ZERO;\n\t\t\t}\n\
-            \t\t\telse if(*key_iter=='1')\n\t\t\t{\n\
-            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ONE;\n\
-            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
-            \t\t\t\tfprintf(log_client,\"Unknow value return from server \\n\");\n\
-            \t\t\t\tprintf(\"Client-Unknown value return \\n\");\n\t\t\t}\n\n\
-            \t\t\tif(ANALYSIS == DC)\n\t\t\t{\n\
-            \t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
-            \t\t\t}\n\t\t\telse if(_op_" + item.split(':')[0] + "[Ii] != _op_" + item.split(':')[0] + "_old[Ii])\n\
-            \t\t\t{\n\t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
-            \t\t\t\tOUTPUT_DELAY(" + item.split(':')[0] + "[Ii]) = ((_op_" + item.split(':')[0] + "[Ii] == ZERO) ? PARAM(fall_delay) : PARAM(rise_delay));\n\
-            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
-            \t\t\t\tOUTPUT_CHANGED(" + item.split(':')[0] + "[Ii]) = FALSE;\n\t\t\t}\n\
-            \t\t\tOUTPUT_STRENGTH(" + item.split(':')[0] + "[Ii]) = STRONG;\n\
-            \t\t}\n\
-            \t}\n")
-
-            # Writing content in cfunc.mod file
-            cfunc.write(comment)
-            cfunc.write(header)
-            cfunc.write("\n")
-            cfunc.write(function_open)
-            cfunc.write("\n")
-
-            # Adding digital state Variable
-            for item in digital_state_output:
-                cfunc.write("\t" + item + "\n")
-
-            # Adding variable declaration section
-            cfunc.write(var_section)
-            for item in temp_input_var:
-                cfunc.write("\t" + item + "\n")
-            cfunc.write("\n")
-
-            # Adding INIT portion
-            cfunc.write(init_start_function)
-            for item in cm_event_alloc:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-
-            cfunc.write(2 * "\t" + "/* set the load for input ports. */")
-            cfunc.write("\n")
-            cfunc.write(2 * "\t" + "int Ii;")
-            cfunc.write("\n")
-
-            for item in load_in_port:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-            cfunc.write("\n")
-            cfunc.write(2 * "\t" + "/*Retrieve Storage for output*/")
-            cfunc.write("\n")
-            for item in cm_event_get_ptr:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-            cfunc.write(systime_info)
-            cfunc.write("\n")
-            cfunc.write(client_setup_ip)
-            cfunc.write("\n")
-            cfunc.write("\t\tchar command[1024];\n")
-            self.digital_home = self.parser.get('NGSPICE', 'DIGITAL_MODEL')
-            self.msys_home = self.parser.get('COMPILER', 'MSYS_HOME')
-            cmd_str2 = "\\'start_server.sh %d %s\\'" + "\\" + "\""
-            cmd_str1 = os.path.normpath("\"cd " + self.digital_home + "/" + self.fname.split(
-                '.')[0] + "/DUTghdl/ && " + self.msys_home + "/bash.exe -c ")
-            cmd_str1 = cmd_str1.replace("\\", "/")
-            cfunc.write('\t\tsnprintf(command,1024, "start /min cmd /c ' +
-                        '\\'+cmd_str1+cmd_str2+' &",sock_port,my_ip);')
-            cfunc.write('\n\t\tsystem(command);')
-            cfunc.write("\n\t}")
-            cfunc.write("\n")
-            cfunc.write("\telse\n\t{\n")
-
-            for item in els_evt_ptr:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-            cfunc.write("\t}")
-            cfunc.write("\n\n")
-
-            cfunc.write(client_fetch_ip)
-            cfunc.write(create_socket)
-            cfunc.write(connect_server)
-
-            cfunc.write("\t//Formating data for sending it to client\n")
-            cfunc.write("\tint Ii;\n\n")
-
-            for item in assign_data_to_input:
-                cfunc.write(item)
-
-            for item in snprintf_stmt:
-                cfunc.write(item)
-
-            cfunc.write(send_data)
-            cfunc.write(recv_data)
-
-            for item in sch_output_event:
-                cfunc.write(item)
-
-            # Close socket fd
-            cfunc.write("\tclosesocket(socket_fd);\n\n")
-
-            # close log_client file
-            cfunc.write("\tfclose(log_client);")
-
-            # Close cm_ function
-            cfunc.write("\n}")
-            cfunc.close()
-
-    else:
-        def createCfuncModFile(self):
-            # ### Creating content for cfunc.mod file ## #
-            print("Starting With cfunc.mod file")
-            cfunc = open('cfunc.mod', 'w')
-            print("Building content for cfunc.mod file")
-
-            comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
-            Developed by Fahim, Rahul at IIT Bombay */\n
-                    '''
-
-            header = '''
-            #include <stdio.h>
-            #include <math.h>
-            #include <string.h>
-            #include <time.h>
-            #include <sys/socket.h>
-            #include <sys/types.h>
-            #include <netinet/in.h>
-            #include <netdb.h>
-            #include <stdlib.h>
-            #include <unistd.h>
-            #include <errno.h>
-            '''
-
-            function_open = (
-                '''void cm_''' + self.fname.split('.')[0] + '''(ARGS) \n{''')
-
-            digital_state_output = []
-            for item in self.output_port:
-                digital_state_output.append(
-                    "Digital_State_t *_op_" + item.split(':')[0] +
-                    ", *_op_" + item.split(':')[0] + "_old;"
-                )
-
-            var_section = '''
-                // Declaring components of Client
-                FILE *log_client = NULL;
-                log_client=fopen("client.log","a");
-                int socket_fd, bytes_recieved;
-                char send_data[1024];
-                char recv_data[1024];
-                char *key_iter;
-                struct hostent *host;
-                struct sockaddr_in server_addr;
-                int sock_port = 5000+PARAM(instance_id);
-            '''
-
-            temp_input_var = []
-            for item in self.input_port:
-                temp_input_var.append(
-                    "char temp_" + item.split(':')[0] + "[1024];"
-                )
-
-            # Start of INIT function
-            init_start_function = '''
-                if(INIT)
-                {
-                    /* Allocate storage for output ports ''' \
-                    '''and set the load for input ports */
-            '''
-
-            cm_event_alloc = []
-            cm_count_output = 0
-            for item in self.output_port:
-                cm_event_alloc.append(
-                    "cm_event_alloc(" +
-                    str(cm_count_output) + "," + item.split(':')[1] +
-                    "*sizeof(Digital_State_t));"
-                )
-                cm_count_output = cm_count_output + 1
-
-            load_in_port = []
-            for item in self.input_port:
-                load_in_port.append(
-                    "for(Ii=0;Ii<PORT_SIZE(" + item.split(':')[0] +
-                    ");Ii++)\n\t\t{\n\t\t\tLOAD(" + item.split(':')[0] +
-                    "[Ii])=PARAM(input_load); \n\t\t}"
-                )
-
-            cm_count_ptr = 0
-            cm_event_get_ptr = []
-            for item in self.output_port:
-                cm_event_get_ptr.append(
-                    "_op_" + item.split(':')[0] + " = _op_" +
-                    item.split(':')[0] +
-                    "_old = (Digital_State_t *) cm_event_get_ptr(" +
-                    str(cm_count_ptr) + ",0);"
-                )
-
-                cm_count_ptr = cm_count_ptr + 1
-
-            systime_info = '''
-                    /*Taking system time info for log */
-                    time_t systime;
-                    systime = time(NULL);
-                    printf(ctime(&systime));
-                    printf("Client-Initialising GHDL...\\n\\n");
-                    fprintf(log_client,"Setup Client Server Connection at %s \\n"''' \
-                    ''',ctime(&systime));
-            '''
-
-            els_evt_ptr = []
-            els_evt_count1 = 0
-            els_evt_count2 = 0
-            for item in self.output_port:
-                els_evt_ptr.append("_op_" + item.split(":")[0] +
-                                   " = (Digital_State_t *) cm_event_get_ptr(" +
-                                   str(els_evt_count1) + "," +
-                                   str(els_evt_count2) + ");")
-                els_evt_count2 = els_evt_count2 + 1
-                els_evt_ptr.append("_op_" + item.split(":")[0] + "_old" +
-                                   " = (Digital_State_t *) cm_event_get_ptr(" +
-                                   str(els_evt_count1) + "," +
-                                   str(els_evt_count2) + ");")
-                els_evt_count1 = els_evt_count1 + 1
-
-            client_setup_ip = '''
-                    /* Client Setup IP Addr */
-                    FILE *fptr;
-                    int ip_count = 0;
-                    char* my_ip = malloc(16);
-                    char ip_filename[40];
-                    sprintf(ip_filename, "/tmp/NGHDL_COMMON_IP_%d.txt", getpid());
-                    fptr = fopen(ip_filename, "r");
-                    if (fptr)
-                    {
-                        char line_ip[20];
-                        int line_port;
-                        while(fscanf(fptr, "%s %d", line_ip, &line_port) == 2) {
-                            ip_count++;
-                        }
-                        fclose(fptr);
-                    }
-                    if (ip_count < 255) {
-                        sprintf(my_ip, "127.0.0.%d", ip_count+1);
-                    } else {
-                        sprintf(my_ip, "127.0.%d.1", (ip_count+1)%256);
-                    }
-                    fptr = fopen(ip_filename, "a");
-                    if (fptr)
-                    {
-                        fprintf(fptr, "%s %d\\n", my_ip, sock_port);
-                        fclose(fptr);
-                    } else {
-                        perror("Client - cannot open Common_IP file ");
-                        exit(1);
-                    }
-                    STATIC_VAR(my_ip) = my_ip;
-            '''
-
-            client_fetch_ip = '''
-                /* Client Fetch IP Addr */
-                char* my_ip = STATIC_VAR(my_ip);
-                host = gethostbyname(my_ip);
-                fprintf(log_client,"Creating client socket \\n");
-            '''
-
-            create_socket = '''
-                //Creating socket for client
-                if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
-                {
-                    perror("Client - Error while creating client Socket ");
-                    fprintf(log_client,"Error while creating client socket \\n");
-                    exit(1);
-                }
-                printf("Client-Socket (Id : %d) created\\n", socket_fd);
-                fprintf(log_client,"Client-Client Socket created ''' \
-                '''successfully \\n");
-                fprintf(log_client,"Client- Socket Id : %d \\n",socket_fd);
-                // memset(&server_addr, 0, sizeof(server_addr));
-                server_addr.sin_family = AF_INET;
-                server_addr.sin_port = htons(sock_port);
-                server_addr.sin_addr = *((struct in_addr *)host->h_addr);
-                bzero(&(server_addr.sin_zero),8);
-            '''
-
-            connect_server = '''
-                fprintf(log_client,"Client-Connecting to server \\n");
-                //Connecting to server
-                int try_limit=10;
-                while(try_limit>0)
-                {
-                    if (connect(socket_fd, (struct sockaddr*)&server_addr,''' \
-                    '''sizeof(struct sockaddr)) == -1)
-                    {
-                        sleep(1);
-                        try_limit--;
-                        if(try_limit==0)
-                        {
-                            fprintf(stderr,"Connect- Error:Tried to connect server on port,''' \
-                            '''failed...giving up \\n");
-                            fprintf(log_client,"Connect- Error:Tried to connect server on ''' \
-                            '''port, failed...giving up \\n");
-                            exit(1);
-                        }
-                    }
-                    else
-                    {
-                        printf("Client-Connected to server \\n");
-                        fprintf(log_client,"Client-Connected to server \\n");
-                        break;
-                    }
-                }
-            '''
-
-            # Assign bit value to every input
-            assign_data_to_input = []
-            for item in self.input_port:
-                assign_data_to_input.append("\tfor(Ii=0;Ii<PORT_SIZE(" +
-                                            item.split(':')[0] + ");Ii++)\n\
-            \t{\n\t\tif( INPUT_STATE(" + item.split(':')[0] + "[Ii])==ZERO )\n\
-            \t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='0';\n\t\t}\n\
-            \t\telse\n\t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='1';\n\
-            \t\t}\n\t}\n\ttemp_" + item.split(':')[0] + "[Ii]='\\0';\n\n")
-
-            snprintf_stmt = []
-            snprintf_count = 0
-            snprintf_stmt.append(
-                "\t//Sending and receiving data to-from server \n"
-            )
-            snprintf_stmt.append('\tsnprintf(send_data,sizeof(send_data),"')
-            for item in self.input_port:
-                snprintf_count = snprintf_count + 1
-                snprintf_stmt.append(item.split(':')[0] + ":%s")
-                if snprintf_count == len(self.input_port):
-                    snprintf_stmt.append('", ')
-                    internal_count = 0
-                    for item1 in self.input_port:
-                        if internal_count == len(self.input_port):
-                            pass
-                        else:
-                            snprintf_stmt.append("temp_" + item1.split(':')[0])
-                            internal_count = internal_count + 1
-                            if internal_count == len(self.input_port):
-                                pass
-                            else:
-                                snprintf_stmt.append(",")
-                    snprintf_stmt.append(");")
-                else:
-                    snprintf_stmt.append(",")
-
-            send_data = '''
-                if ( send(socket_fd,send_data,sizeof(send_data),0)==-1)
-                {
-                    fprintf(stderr, "Client-Failure Sending Message \\n");
-                    close(socket_fd);
-                    exit(1);
-                }
-                else
-                {
-                    printf("Client-Message sent: %s \\n",send_data);
-                    fprintf(log_client,"Socket Id : %d & Message sent : %s \\n"''' \
-                    ''',socket_fd,send_data);
-                }
-            '''
-
-            recv_data = '''
-                bytes_recieved=recv(socket_fd,recv_data,sizeof(recv_data),0);
-                if ( bytes_recieved <= 0 )
-                {
-                    perror("Client-Either Connection Closed or Error ");
-                    exit(1);
-                }
-                recv_data[bytes_recieved] = '\\0';
-                printf("Client-Message Received -  %s\\n\\n",recv_data);
-                fprintf(log_client,"Message Received From Server-''' \
-                '''%s\\n",recv_data);
-            '''
-
-            # Scheduling output event
-            sch_output_event = []
-
-            for item in self.output_port:
-                sch_output_event.append(
-                    "\t/* Scheduling event and processing them */\n\
-            \tif((key_iter=strstr(recv_data, " + '"' + item.split(':')[0] + ':"'")) != NULL)\n\
-            \t{\n\
-            \t\twhile(*key_iter++ != ':');\n\
-            \t\tfor(Ii=0;*key_iter != ';';Ii++,key_iter++)\n\
-            \t\t{\n\
-            \t\t\tfprintf(log_client,\"Client-Bit val is %c \\n\",*key_iter);\n\
-            \t\t\tif(*key_iter=='0')\n\t\t\t{\n\
-            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ZERO;\n\t\t\t}\n\
-            \t\t\telse if(*key_iter=='1')\n\t\t\t{\n\
-            \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ONE;\n\
-            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
-            \t\t\t\tfprintf(log_client,\"Unknow value return from server \\n\");\n\
-            \t\t\t\tprintf(\"Client-Unknown value return \\n\");\n\t\t\t}\n\n\
-            \t\t\tif(ANALYSIS == DC)\n\t\t\t{\n\
-            \t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
-            \t\t\t}\n\t\t\telse if(_op_" + item.split(':')[0] + "[Ii] != _op_" + item.split(':')[0] + "_old[Ii])\n\
-            \t\t\t{\n\t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
-            \t\t\t\tOUTPUT_DELAY(" + item.split(':')[0] + "[Ii]) = ((_op_" + item.split(':')[0] + "[Ii] == ZERO) ? PARAM(fall_delay) : PARAM(rise_delay));\n\
-            \t\t\t}\n\t\t\telse\n\t\t\t{\n\
-            \t\t\t\tOUTPUT_CHANGED(" + item.split(':')[0] + "[Ii]) = FALSE;\n\t\t\t}\n\
-            \t\t\tOUTPUT_STRENGTH(" + item.split(':')[0] + "[Ii]) = STRONG;\n\
-            \t\t}\n\
-            \t}\n")
-
-            # Writing content in cfunc.mod file
-            cfunc.write(comment)
-            cfunc.write(header)
-            cfunc.write("\n")
-            cfunc.write(function_open)
-            cfunc.write("\n")
-
-            # Adding digital state Variable
-            for item in digital_state_output:
-                cfunc.write("\t" + item + "\n")
-
-            # Adding variable declaration section
-            cfunc.write(var_section)
-            for item in temp_input_var:
-                cfunc.write("\t" + item + "\n")
-            cfunc.write("\n")
-
-            # Adding INIT portion
-            cfunc.write(init_start_function)
-            for item in cm_event_alloc:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-
-            cfunc.write(2 * "\t" + "/* set the load for input ports. */")
-            cfunc.write("\n")
-            cfunc.write(2 * "\t" + "int Ii;")
-            cfunc.write("\n")
-
-            for item in load_in_port:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-            cfunc.write("\n")
-            cfunc.write(2 * "\t" + "/*Retrieve Storage for output*/")
-            cfunc.write("\n")
-            for item in cm_event_get_ptr:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-            cfunc.write(systime_info)
-            cfunc.write("\n")
-            cfunc.write(client_setup_ip)
-            cfunc.write("\n")
-            cfunc.write("\t\tchar command[1024];\n")
-            cfunc.write(
-                '\t\tsnprintf(command,1024,"' + self.home +
-                '/ngspice-nghdl/src/xspice/icm/ghdl/' +
-                self.fname.split('.')[0] +
-                '/DUTghdl/start_server.sh %d %s &",sock_port,my_ip);'
-            )
-            cfunc.write('\n\t\tsystem(command);')
-            cfunc.write("\n\t}")
-            cfunc.write("\n")
-            cfunc.write("\telse\n\t{\n")
-
-            for item in els_evt_ptr:
-                cfunc.write(2 * "\t" + item)
-                cfunc.write("\n")
-            cfunc.write("\t}")
-            cfunc.write("\n\n")
-
-            cfunc.write(client_fetch_ip)
-            cfunc.write(create_socket)
-            cfunc.write(connect_server)
-
-            cfunc.write("\t//Formating data for sending it to client\n")
-            cfunc.write("\tint Ii;\n\n")
-
-            for item in assign_data_to_input:
-                cfunc.write(item)
-
-            for item in snprintf_stmt:
-                cfunc.write(item)
-
-            cfunc.write(send_data)
-            cfunc.write(recv_data)
-
-            for item in sch_output_event:
-                cfunc.write(item)
-
-            # Close socket fd
-            cfunc.write("\tclose(socket_fd);\n\n")
-
-            # close log_client file
-            cfunc.write("\tfclose(log_client);")
-
-            # Close cm_ function
-            cfunc.write("\n}")
-            cfunc.close()
-
-    def createIfSpecFile(self):
-
-        # ################### Creating ifspec.ifs file #################### #
-
-        print("Starting with ifspec.ifs file")
-        ifspec = open('ifspec.ifs', 'w')
-
-        print("Gathering Al the content for ifspec file")
-
-        ifspec_comment = '''
-        /*
-        SUMMARY: This file is auto generated and it contains the interface
-         specification for the code model. */\n
-        '''
-
-        name_table = 'NAME_TABLE:\n\
-        C_Function_Name: cm_' + self.fname.split('.')[0] + '\n\
-        Spice_Model_Name: ' + self.fname.split('.')[0] + '\n\
-        Description: "Model generated from ghdl code ' + self.fname + '" \n'
-
-        # Input and Output Port Table
-        in_port_table = []
-        out_port_table = []
-
-        for item in self.input_port:
-            port_table = 'PORT_TABLE:\n'
-            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
-            description = (
-                'Description:\t"input port ' + item.split(':')[0] + '"\n'
-            )
-            direction = 'Direction:\tin\n'
-            default_type = 'Default_Type:\td\n'
-            allowed_type = 'Allowed_Types:\t[d]\n'
-            vector = 'Vector:\tyes\n'
-            vector_bounds = (
-                'Vector_Bounds:\t[' + item.split(':')[1] +
-                ' ' + item.split(":")[1] + ']\n'
-            )
-            null_allowed = 'Null_Allowed:\tno\n'
-
-            # Insert detail in the list
-            in_port_table.append(
-                port_table + port_name + description +
-                direction + default_type + allowed_type +
-                vector + vector_bounds + null_allowed
-            )
-
-        for item in self.output_port:
-            port_table = 'PORT_TABLE:\n'
-            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
-            description = (
-                'Description:\t"output port ' + item.split(':')[0] + '"\n'
-            )
-            direction = 'Direction:\tout\n'
-            default_type = 'Default_Type:\td\n'
-            allowed_type = 'Allowed_Types:\t[d]\n'
-            vector = 'Vector:\tyes\n'
-            vector_bounds = (
-                'Vector_Bounds:\t[' + item.split(':')[1] +
-                ' ' + item.split(":")[1] + ']\n'
-            )
-            null_allowed = 'Null_Allowed:\tno\n'
-
-            # Insert detail in the list
-            in_port_table.append(
-                port_table + port_name + description +
-                direction + default_type + allowed_type +
-                vector + vector_bounds + null_allowed
-            )
-
-        parameter_table = '''
-
-        PARAMETER_TABLE:
-        Parameter_Name:     instance_id                  input_load
-        Description:        "instance_id"                "input load value (F)"
-        Data_Type:          real                         real
-        Default_Value:      0                            1.0e-12
-        Limits:             -                            -
-        Vector:              no                          no
-        Vector_Bounds:       -                           -
-        Null_Allowed:       yes                          yes
-
-        PARAMETER_TABLE:
-        Parameter_Name:     rise_delay                  fall_delay
-        Description:        "rise delay"                "fall delay"
-        Data_Type:          real                        real
-        Default_Value:      1.0e-9                      1.0e-9
-        Limits:             [1e-12 -]                   [1e-12 -]
-        Vector:              no                          no
-        Vector_Bounds:       -                           -
-        Null_Allowed:       yes                         yes
-
-        '''
-
-        static_table = '''
-
-        STATIC_VAR_TABLE:
-
-        Static_Var_Name:    my_ip
-        Data_Type:          pointer
-        Description:        "connect to ghdlserver through this ip"
-
-        '''
-
-        # Writing all the content in ifspec file
-        ifspec.write(ifspec_comment)
-        ifspec.write(name_table + "\n\n")
-
-        for item in in_port_table:
-            ifspec.write(item + "\n")
-
-        ifspec.write("\n")
-
-        for item in out_port_table:
-            ifspec.write(item + "\n")
-
-        ifspec.write("\n")
-        ifspec.write(parameter_table)
-        ifspec.write("\n")
-        ifspec.write(static_table)
-        ifspec.close()
-
-    def createTestbench(self):
-
-        # #################### Creating testbench file ##################### #
-
-        print("Starting with testbench file")
-
-        testbench = open(self.fname.split('.')[0] + '_tb.vhdl', 'w')
-        print(self.fname.split('.')[0] + '_tb.vhdl')
-
-        # comment
-        comment_vhdl = "------------------------------------------------------"
-        comment_vhdl += "--------------------------\n"
-        comment_vhdl += "--This testbench has been created by "
-        comment_vhdl += "Ambikeshwar Srivastava, Rahul Paknikar \n"
-        comment_vhdl += "--------------------------- FOSSEE, IIT Bombay ------"
-        comment_vhdl += "---------------------------\n"
-        comment_vhdl += "-----------------------------------------------------"
-        comment_vhdl += "---------------------------\n"
-
-        # Adding header, entity and architecture statement
-        tb_header = '''
-        library ieee;
-        use ieee.std_logic_1164.all;
-        use ieee.numeric_std.all;
-        library work;
-        use work.Vhpi_Foreign.all;
-        use work.Utility_Package.all;
-        use work.sock_pkg.all;
-
-        '''
-
-        tb_entity = ("entity " + self.fname.split('.')[0] +
-                     "_tb is\nend entity;\n\n")
-
-        arch = ("architecture " + self.fname.split('.')[0] + "_tb_beh of " +
-                self.fname.split('.')[0] + "_tb is\n")
-
-        # Adding components
-        components = []
-        components.append("\tcomponent " + self.fname.split('.')[0] +
-                          " is\n\t\tport(\n\t\t\t\t")
-
-        port_vector_count = 0
-
-        for item in self.input_port:
-            if self.port_vector_info[port_vector_count]:
-                components.append(
-                    item.split(':')[0] + ": in std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) +
-                    " downto 0);\n\t\t\t\t"
-                )
-            else:
-                components.append(
-                    item.split(':')[0] + ": in std_logic;\n\t\t\t\t"
-                )
-
-            port_vector_count += 1
-            # if item.split(":")[1] != '1':
-            #     components.append(
-            #         item.split(':')[0] + ": in std_logic_vector(" +
-            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
-            #         "\n\t\t\t\t"
-            #     )
-            # else:
-            #     components.append(
-            #         item.split(':')[0] + ": in std_logic_vector(" +
-            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
-            #         "\n\t\t\t\t"
-            #     )
-        for item in self.output_port[:-1]:
-            if self.port_vector_info[port_vector_count]:
-                components.append(
-                    item.split(':')[0] + ": out std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) +
-                    " downto 0);\n\t\t\t\t"
-                )
-            else:
-                components.append(
-                    item.split(':')[0] + ": out std_logic;\n\t\t\t\t"
-                )
-
-            port_vector_count += 1
-
-        if self.port_vector_info[port_vector_count]:
-            components.append(
-                self.output_port[-1].split(':')[0] +
-                ": out std_logic_vector(" +
-                str(int(self.output_port[-1].split(':')[1]) - int(1)) +
-                " downto 0)\n\t\t\t\t"
-            )
-        else:
-            components.append(self.output_port[-1].split(':')[0] +
-                              ": out std_logic\n\t\t\t\t")
-            # if item.split(":")[1] != '1':
-            #    components.append(item.split(':')[0]+":
-            # out std_logic_vector("
-            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
-            # else:
-            #    components.append(item.split(':')[0]+":
-            # out std_logic_vector("
-            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
-
-        components.append(");\n")
-        components.append("\tend component;\n\n")
-
-        # Adding signals
-        signals = []
-        signals.append("\tsignal clk_s : std_logic := '0';\n")
-
-        port_vector_count = 0
-
-        for item in self.input_port:
-            if self.port_vector_info[port_vector_count]:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-                )
-            else:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
-                )
-            port_vector_count += 1
-
-            # if item.split(":")[1] != '1':
-            #    signals.append("\tsignal "+item.split(':')[0]+":
-            #                   std_logic_vector("+str(int(item.split(':')[1])-
-            #                   int(1))+" downto 0);\n")
-            # else:
-            #    signals.append("\tsignal "+item.split(':')[0]+":
-            #                   std_logic_vector("+str(int(item.split(':')[1])-
-            #                   int(1))+" downto 0);\n")
-
-        for item in self.output_port:
-            if self.port_vector_info[port_vector_count]:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
-                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-                )
-            else:
-                signals.append(
-                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
-                )
-
-            port_vector_count += 1
-            # if item.split(":")[1] != '1':
-            #     signals.append(
-            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
-            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-            #     )
-            # else:
-            #     signals.append(
-            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
-            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
-            #     )
-
-        # Adding mapping part
-        map = []
-        map.append("\tu1 : " + self.fname.split('.')[0] + " port map(\n")
-
-        for item in self.input_port:
-            map.append("\t\t\t\t" + item.split(':')[0] +
-                       " => " + item.split(':')[0] + ",\n")
-
-        for item in self.output_port:
-            if self.output_port.index(item) == len(self.output_port) - 1:
-                map.append("\t\t\t\t" + item.split(':')[0] +
-                           " => " + item.split(':')[0] + "\n")
-            else:
-                map.append("\t\t\t\t" + item.split(':')[0] +
-                           " => " + item.split(':')[0] + ",\n")
-        map.append("\t\t\t);")
-
-        # Testbench Clock
-        tb_clk = "clk_s <= not clk_s after 5 us;\n\n"
-
-        # Adding Process block for Vhpi
-        process_Vhpi = []
-        process_Vhpi.append(
-            "process\n\t\tvariable sock_port : integer;" +
-            "\n\t\ttype string_ptr is access string;" +
-            "\n\t\tvariable sock_ip : string_ptr;" +
-            "\n\t\tbegin\n\t\tsock_port := sock_port_fun;" +
-            "\n\t\tsock_ip := new string'(sock_ip_fun);" +
-            "\n\t\tVhpi_Initialize(sock_port," +
-            "Pack_String_To_Vhpi_String(sock_ip.all));" +
-            "\n\t\twait until clk_s = '1';" +
-            "\n\t\twhile true loop\n\t\t\twait until clk_s = '0';" +
-            "\n\t\t\tVhpi_Listen;\n\t\t\twait for 1 us;\n\t\t\t" +
-            "Vhpi_Send;" +
-            "\n\t\tend loop;\n\t\twait;\n\tend process;\n\n"
-        )
-
-        # Adding process block
-        process = []
-        process.append("\tprocess\n")
-        process.append("\t\tvariable count : integer:=0;\n")
-
-        for item in self.input_port:
-            process.append(
-                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
-            )
-
-        for item in self.output_port:
-            process.append(
-                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
-            )
-
-        process.append("\t\tvariable obj_ref : VhpiString;\n")
-        process.append("\tbegin\n")
-        process.append("\t\twhile true loop\n")
-        process.append("\t\t\twait until clk_s = '0';\n\n")
-
-        port_vector_count = 0
-
-        for item in self.input_port:
-            process.append(
-                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
-                item.split(':')[0] + '");\n'
-            )
-            process.append(
-                '\t\t\tVhpi_Get_Port_Value(obj_ref,' +
-                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
-            )
-
-            if self.port_vector_info[port_vector_count]:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    ' <= Unpack_String(' + item.split(':')[0] + '_v,' +
-                    item.split(':')[1] + ');\n'
-                )
-            else:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    ' <= To_Std_Logic('+item.split(':')[0]+'_v'+');\n'
-                )
-
-            port_vector_count += 1
-            process.append("\n")
-
-        process.append('\t\t\twait for 1 us;\n')
-
-        for item in self.output_port:
-            if self.port_vector_info[port_vector_count]:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    '_v := Pack_String_To_Vhpi_String' +
-                    '(Convert_SLV_To_String(' +
-                    item.split(':')[0]+'));\n'
-                )
-            else:
-                process.append(
-                    '\t\t\t' + item.split(':')[0] +
-                    '_v := Pack_String_To_Vhpi_String(To_String(' +
-                    item.split(':')[0]+'));\n'
-                )
-
-            port_vector_count += 1
-
-            process.append(
-                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
-                item.split(':')[0]+'");\n'
-            )
-            process.append(
-                '\t\t\tVhpi_Set_Port_Value(obj_ref,' +
-                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
-            )
-            process.append("\n")
-
-        process.append(
-            '\t\t\treport "Iteration - "' +
-            "& integer'image(count) severity note;\n"
-        )
-        process.append('\t\t\tcount := count + 1;\n')
-        process.append("\t\tend loop;\n")
-        process.append("\tend process;\n\n")
-        process.append("end architecture;")
-
-        # Writing all the components to testbench file
-        testbench.write(comment_vhdl)
-        testbench.write(tb_header)
-        testbench.write(tb_entity)
-        testbench.write(arch)
-
-        for item in components:
-            testbench.write(item)
-
-        for item in signals:
-            testbench.write(item)
-
-        testbench.write("\n\n")
-
-        testbench.write("begin\n\n")
-
-        for item in map:
-            testbench.write(item)
-
-        testbench.write("\n\t"+tb_clk)
-
-        for item in process_Vhpi:
-            testbench.write(item)
-
-        for item in process:
-            testbench.write(item)
-
-        testbench.close()
-
-    def createServerScript(self):
-
-        # ####### Creating and writing components in start_server.sh ####### #
-        self.digital_home = self.parser.get('NGSPICE', 'DIGITAL_MODEL')
-
-        start_server = open('start_server.sh', 'w')
-
-        start_server.write("#!/bin/bash\n\n")
-        start_server.write(
-            "###This server run ghdl testebench for infinite time till " +
-            "ngspice send END signal to stop it\n\n"
-        )
-        #08.June.2020 - BM - Use correct path with respect to particular OS
-        if os.name == 'nt':
-            pathstr = self.digital_home + "/" + \
-                self.fname.split('.')[0] + "/DUTghdl/"
-            pathstr = pathstr.replace("\\", "/")
-            start_server.write("cd "+pathstr+"\n")
-        else:
-            start_server.write("cd "+self.digital_home +
-                               "/" + self.fname.split('.')[0] + "/DUTghdl/\n")
-        start_server.write("chmod 775 sock_pkg_create.sh &&\n")
-        start_server.write("./sock_pkg_create.sh $1 $2 &&\n")
-        start_server.write("ghdl -i *.vhdl &&\n")
-        start_server.write("ghdl -a *.vhdl &&\n")
-        start_server.write("ghdl -a "+self.fname+" &&\n")
-        start_server.write(
-            "ghdl -a "+self.fname.split('.')[0]+"_tb.vhdl  &&\n"
-        )
-        #08.June.2020 - BM - If OS i Windows, link server with libws2_32.a
-        if os.name == 'nt':
-            start_server.write("ghdl -e -Wl,ghdlserver.o " +
-                               "-Wl,libws2_32.a " + self.fname.split('.')[0] + "_tb &&\n")
-            start_server.write("./"+self.fname.split('.')[0]+"_tb.exe")
-        else:
-            start_server.write("ghdl -e -Wl,ghdlserver.o " +
-                               self.fname.split('.')[0] + "_tb &&\n")
-            start_server.write("./"+self.fname.split('.')[0]+"_tb")
-
-        start_server.close()
-
-    def createSockScript(self):
-
-        # ########### Creating and writing in sock_pkg_create.sh ########### #
-
-        sock_pkg_create = open('sock_pkg_create.sh', 'w')
-
-        sock_pkg_create.write("#!/bin/bash\n\n")
-        sock_pkg_create.write(
-            "##This file creates sock_pkg.vhdl file and sets the port " +
-            "and ip from parameters passed to it\n\n"
-        )
-        sock_pkg_create.write("echo \"library ieee;\n")
-        sock_pkg_create.write("package sock_pkg is\n")
-        sock_pkg_create.write("\tfunction sock_port_fun return integer;\n")
-        sock_pkg_create.write("\tfunction sock_ip_fun return string;\n")
-        sock_pkg_create.write("end;\n\n")
-        sock_pkg_create.write("package body sock_pkg is\n")
-        sock_pkg_create.write("\tfunction sock_port_fun return integer is\n")
-        sock_pkg_create.write("\t\tvariable sock_port : integer;\n")
-        sock_pkg_create.write("\t\t\tbegin\n")
-        sock_pkg_create.write("\t\t\t\tsock_port := $1;\n")
-        sock_pkg_create.write("\t\t\t\treturn sock_port;\n")
-        sock_pkg_create.write("\t\t\tend function;\n\n")
-        sock_pkg_create.write("\tfunction sock_ip_fun return string is\n")
-        sock_pkg_create.write("\t\ttype string_ptr is access string;\n")
-        sock_pkg_create.write("\t\tvariable sock_ip : string_ptr;\n")
-        sock_pkg_create.write("\t\t\tbegin\n")
-        sock_pkg_create.write('\t\t\t\tsock_ip := new string\'(\\"$2\\");\n')
-        sock_pkg_create.write("\t\t\t\treturn sock_ip.all;\n")
-        sock_pkg_create.write("\t\t\tend function;\n\n")
-        sock_pkg_create.write("\t\tend package body;\" > sock_pkg.vhdl")
+#!/usr/bin/python3
+
+import re
+import os
+from configparser import SafeConfigParser
+
+
+class ModelGeneration:
+
+    def __init__(self, file):
+
+        # Script starts from here
+        print("Arguement is : ", file)
+        self.fname = os.path.basename(file)
+        print("VHDL filename is : ", self.fname)
+        self.home = os.path.expanduser("~")
+        self.parser = SafeConfigParser()
+        self.parser.read(os.path.join(
+            self.home, os.path.join('.nghdl', 'config.ini')))
+        self.ngspice_home = self.parser.get('NGSPICE', 'NGSPICE_HOME')
+        self.release_dir = self.parser.get('NGSPICE', 'RELEASE')
+        self.src_home = self.parser.get('SRC', 'SRC_HOME')
+        self.licensefile = self.parser.get('SRC', 'LICENSE')
+
+        # #### Creating connection_info.txt file from vhdl file #### #
+        read_vhdl = open(file, 'r')
+        vhdl_data = read_vhdl.readlines()
+        read_vhdl.close()
+
+        start_flag = -1  # Used for scaning part of data
+        scan_data = []
+        # p=re.search('port(.*?)end',read_vhdl,re.M|re.I|re.DOTALL).group()
+
+        for item in vhdl_data:
+            if re.search('port', item, re.I):
+                start_flag = 1
+
+            elif re.search("end", item, re.I):
+                start_flag = 0
+
+            if start_flag == 1:
+                item = re.sub("port", " ", item, flags=re.I)
+                item = re.sub("\(", " ", item, flags=re.I)      # noqa
+                item = re.sub("\)", " ", item, flags=re.I)      # noqa
+                item = re.sub(";", " ", item, flags=re.I)
+
+                scan_data.append(item.rstrip())
+                scan_data = [_f for _f in scan_data if _f]
+            elif start_flag == 0:
+                break
+
+        port_info = []
+        self.port_vector_info = []
+
+        for item in scan_data:
+            print("Scan Data :", item)
+            if re.search("in", item, flags=re.I):
+                if re.search("std_logic_vector", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
+                elif re.search("std_logic", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
+                else:
+                    raise ValueError("Please check your vhdl " +
+                                     "code for datatype of input port")
+            elif re.search("out", item, flags=re.I):
+                if re.search("std_logic_vector", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic_vector\s*", flags=re.I)
+                elif re.search("std_logic", item, flags=re.I):
+                    temp = re.compile(r"\s*std_logic\s*", flags=re.I)
+                else:
+                    raise ValueError("Please check your vhdl " +
+                                     "code for datatype of output port")
+            else:
+                raise ValueError(
+                    "Please check the in/out direction of your port"
+                )
+
+            lhs = temp.split(item)[0]
+            rhs = temp.split(item)[1]
+            bit_info = re.compile(r"\s*downto\s*", flags=re.I).split(rhs)[0]
+            if bit_info:
+                port_info.append(lhs + ":" + str(int(bit_info) + int(1)))
+                self.port_vector_info.append(1)
+            else:
+                port_info.append(lhs + ":" + str(int(1)))
+                self.port_vector_info.append(0)
+
+        print("Port Info :", port_info)
+
+        # Open connection_info.txt file
+        con_ifo = open('connection_info.txt', 'w')
+
+        for item in port_info:
+            word = item.split(':')
+            con_ifo.write(
+                word[0].strip() + ' ' + word[1].strip() + ' ' + word[2].strip()
+            )
+            con_ifo.write("\n")
+        con_ifo.close()
+
+    def readPortInfo(self):
+
+        # ############## Reading connection/port information ############## #
+
+        # Declaring input and output list
+        input_list = []
+        output_list = []
+
+        # Reading connection_info.txt file for port infomation
+        read_file = open('connection_info.txt', 'r')
+        data = read_file.readlines()
+        read_file.close()
+
+        # Extracting input and output port list from data
+        print("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")
+        for line in data:
+            print(line)
+            if re.match(r'^\s*$', line):
+                pass
+            else:
+                in_items = re.findall(
+                    "IN", line, re.MULTILINE | re.IGNORECASE
+                )
+                out_items = re.findall(
+                    "OUT", line, re.MULTILINE | re.IGNORECASE
+                )
+                if in_items:
+                    input_list.append(line.split())
+
+                if out_items:
+                    output_list.append(line.split())
+
+        print("Inout List :", input_list)
+        print("Output list", output_list)
+
+        self.input_port = []
+        self.output_port = []
+
+        # creating list of input and output port with its weight
+        for input in input_list:
+            self.input_port.append(input[0]+":"+input[2])
+        for output in output_list:
+            self.output_port.append(output[0]+":"+output[2])
+
+        print("Output Port List : ", self.output_port)
+        print("Input Port List : ", self.input_port)
+
+    def createCfuncModFile(self):
+
+        # ############## Creating content for cfunc.mod file ############## #
+
+        print("Starting With cfunc.mod file")
+        cfunc = open('cfunc.mod', 'w')
+        print("Building content for cfunc.mod file")
+
+        comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
+        Developed by Fahim, Rahul at IIT Bombay */\n
+                '''
+
+        header = '''
+        #include <stdio.h>
+        #include <math.h>
+        #include <string.h>
+        #include <time.h>
+        #include <sys/types.h>
+        #include <stdlib.h>
+        #include <unistd.h>
+        #include <errno.h>
+
+        '''
+
+        if os.name == 'nt':
+            header += '''
+            #undef BOOLEAN
+            #include<winsock2.h>
+            '''
+        else:
+            header += '''
+            #include <sys/socket.h>
+            #include <netinet/in.h>
+            #include <netdb.h>
+            '''
+
+        function_open = (
+            '''void cm_''' + self.fname.split('.')[0] + '''(ARGS) \n{''')
+
+        digital_state_output = []
+        for item in self.output_port:
+            digital_state_output.append(
+                "Digital_State_t *_op_" + item.split(':')[0] +
+                ", *_op_" + item.split(':')[0] + "_old;"
+            )
+
+        var_section = '''
+            // Declaring components of Client
+            FILE *log_client = NULL;
+            log_client=fopen("client.log","a");
+            int bytes_recieved;
+            char send_data[1024];
+            char recv_data[1024];
+            char *key_iter;
+            struct hostent *host;
+            struct sockaddr_in server_addr;
+            int sock_port = 5000+PARAM(instance_id);
+        '''
+
+        if os.name != 'nt':
+            var_section += '''
+                int socket_fd;
+            '''
+
+        temp_input_var = []
+        for item in self.input_port:
+            temp_input_var.append(
+                "char temp_" + item.split(':')[0] + "[1024];"
+            )
+
+        # Start of INIT function
+        init_start_function = '''
+            if(INIT)
+            {
+                /* Allocate storage for output ports ''' \
+                '''and set the load for input ports */
+        '''
+
+        cm_event_alloc = []
+        cm_count_output = 0
+        for item in self.output_port:
+            cm_event_alloc.append(
+                "cm_event_alloc(" +
+                str(cm_count_output) + "," + item.split(':')[1] +
+                "*sizeof(Digital_State_t));"
+            )
+            cm_count_output = cm_count_output + 1
+
+        load_in_port = []
+        for item in self.input_port:
+            load_in_port.append(
+                "for(Ii=0;Ii<PORT_SIZE(" + item.split(':')[0] +
+                ");Ii++)\n\t\t{\n\t\t\tLOAD(" + item.split(':')[0] +
+                "[Ii])=PARAM(input_load); \n\t\t}"
+            )
+
+        cm_count_ptr = 0
+        cm_event_get_ptr = []
+        for item in self.output_port:
+            cm_event_get_ptr.append(
+                "_op_" + item.split(':')[0] + " = _op_" +
+                item.split(':')[0] +
+                "_old = (Digital_State_t *) cm_event_get_ptr(" +
+                str(cm_count_ptr) + ",0);"
+            )
+
+            cm_count_ptr = cm_count_ptr + 1
+
+        systime_info = '''
+                /*Taking system time info for log */
+                time_t systime;
+                systime = time(NULL);
+                printf(ctime(&systime));
+                printf("Client-Initialising GHDL...\\n\\n");
+                fprintf(log_client,"Setup Client Server Connection at %s \\n"''' \
+                ''',ctime(&systime));
+        '''
+
+        els_evt_ptr = []
+        els_evt_count1 = 0
+        els_evt_count2 = 0
+        for item in self.output_port:
+            els_evt_ptr.append("_op_" + item.split(":")[0] +
+                               " = (Digital_State_t *) cm_event_get_ptr(" +
+                               str(els_evt_count1) + "," +
+                               str(els_evt_count2) + ");")
+            els_evt_count2 = els_evt_count2 + 1
+            els_evt_ptr.append("_op_" + item.split(":")[0] + "_old" +
+                               " = (Digital_State_t *) cm_event_get_ptr(" +
+                               str(els_evt_count1) + "," +
+                               str(els_evt_count2) + ");")
+            els_evt_count1 = els_evt_count1 + 1
+
+        client_setup_ip = '''
+                /* Client Setup IP Addr */
+                FILE *fptr;
+                int ip_count = 0;
+                char* my_ip = malloc(16);
+
+                char ip_filename[40];
+        '''
+
+        if os.name == 'nt':
+            client_setup_ip += '''
+                    sprintf(ip_filename, "C:/Windows/Temp/NGHDL_COMMON_IP_%d.txt", getpid());
+            '''
+        else:
+            client_setup_ip += '''
+                    sprintf(ip_filename, "/tmp/NGHDL_COMMON_IP_%d.txt", getpid());
+            '''
+
+        client_setup_ip += '''
+                fptr = fopen(ip_filename, "r");
+                if (fptr)
+                {
+                    char line_ip[20];
+                    int line_port;
+                    while(fscanf(fptr, "%s %d", line_ip, &line_port) == 2) {
+                        ip_count++;
+                    }
+
+                    fclose(fptr);
+                }
+
+                if (ip_count < 254) {
+                    sprintf(my_ip, "127.0.0.%d", ip_count+1);
+                } else {
+                    sprintf(my_ip, "127.0.%d.1", (ip_count+3)%256);
+                }
+
+                fptr = fopen(ip_filename, "a");
+                if (fptr)
+                {
+                    fprintf(fptr, "%s %d\\n", my_ip, sock_port);
+                    fclose(fptr);
+                } else {
+                    perror("Client - cannot open Common_IP file ");
+                    exit(1);
+                }
+
+                STATIC_VAR(my_ip) = my_ip;
+        '''
+
+        client_fetch_ip = '''
+            /* Client Fetch IP Addr */
+        '''
+
+        if os.name == 'nt':
+            client_fetch_ip += '''
+                WSADATA WSAData;
+                SOCKET socket_fd;
+                WSAStartup(MAKEWORD(2, 2), &WSAData);
+            '''
+
+        client_fetch_ip += '''
+            char* my_ip = STATIC_VAR(my_ip);
+
+            host = gethostbyname(my_ip);
+            fprintf(log_client,"Creating client socket \\n");
+        '''
+
+        create_socket = '''
+            //Creating socket for client
+            if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+            {
+                perror("Client - Error while creating client Socket ");
+                fprintf(log_client,"Error while creating client socket \\n");
+                exit(1);
+            }
+
+            printf("Client-Socket (Id : %d) created\\n", socket_fd);
+            fprintf(log_client,"Client-Client Socket created ''' \
+            '''successfully \\n");
+            fprintf(log_client,"Client- Socket Id : %d \\n",socket_fd);
+
+            // memset(&server_addr, 0, sizeof(server_addr));
+            server_addr.sin_family = AF_INET;
+            server_addr.sin_port = htons(sock_port);
+            server_addr.sin_addr = *((struct in_addr *)host->h_addr);
+            bzero(&(server_addr.sin_zero),8);
+
+        '''
+
+        connect_server = '''
+            fprintf(log_client,"Client-Connecting to server \\n");
+
+            //Connecting to server
+            int try_limit=10;
+            while(try_limit>0)
+            {
+                if (connect(socket_fd, (struct sockaddr*)&server_addr,''' \
+                '''sizeof(struct sockaddr)) == -1)
+                {
+                    sleep(1);
+                    try_limit--;
+                    if(try_limit==0)
+                    {
+                        fprintf(stderr,"Connect- Error:Tried to connect server on port,''' \
+                        '''failed...giving up \\n");
+                        fprintf(log_client,"Connect- Error:Tried to connect server on ''' \
+                        '''port, failed...giving up \\n");
+                        exit(1);
+                    }
+                }
+                else
+                {
+                    printf("Client-Connected to server \\n");
+                    fprintf(log_client,"Client-Connected to server \\n");
+                    break;
+                }
+            }
+        '''
+
+        # Assign bit value to every input
+        assign_data_to_input = []
+        for item in self.input_port:
+            assign_data_to_input.append("\tfor(Ii=0;Ii<PORT_SIZE(" +
+                                        item.split(':')[0] + ");Ii++)\n\
+        \t{\n\t\tif( INPUT_STATE(" + item.split(':')[0] + "[Ii])==ZERO )\n\
+        \t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='0';\n\t\t}\n\
+        \t\telse\n\t\t{\n\t\t\ttemp_" + item.split(':')[0] + "[Ii]='1';\n\
+        \t\t}\n\t}\n\ttemp_" + item.split(':')[0] + "[Ii]='\\0';\n\n")
+
+        snprintf_stmt = []
+        snprintf_count = 0
+        snprintf_stmt.append(
+            "\t//Sending and receiving data to-from server \n"
+        )
+        snprintf_stmt.append('\tsnprintf(send_data,sizeof(send_data),"')
+        for item in self.input_port:
+            snprintf_count = snprintf_count + 1
+            snprintf_stmt.append(item.split(':')[0] + ":%s")
+            if snprintf_count == len(self.input_port):
+                snprintf_stmt.append('", ')
+                internal_count = 0
+                for item1 in self.input_port:
+                    if internal_count == len(self.input_port):
+                        pass
+                    else:
+                        snprintf_stmt.append("temp_" + item1.split(':')[0])
+                        internal_count = internal_count + 1
+                        if internal_count == len(self.input_port):
+                            pass
+                        else:
+                            snprintf_stmt.append(",")
+                snprintf_stmt.append(");")
+            else:
+                snprintf_stmt.append(",")
+
+        send_data = '''
+
+            if ( send(socket_fd,send_data,sizeof(send_data),0)==-1)
+            {
+                fprintf(stderr, "Client-Failure Sending Message \\n");
+        '''
+
+        if os.name == 'nt':
+            send_data += '''
+                    closesocket(socket_fd);
+            '''
+        else:
+            send_data += '''
+                    close(socket_fd);
+            '''
+
+        send_data += '''
+                exit(1);
+            }
+            else
+            {
+                printf("Client-Message sent: %s \\n",send_data);
+                fprintf(log_client,"Socket Id : %d & Message sent : %s \\n"''' \
+                ''',socket_fd,send_data);
+            }
+
+        '''
+
+        recv_data = '''
+
+            bytes_recieved=recv(socket_fd,recv_data,sizeof(recv_data),0);
+            if ( bytes_recieved <= 0 )
+            {
+                perror("Client-Either Connection Closed or Error ");
+                exit(1);
+            }
+            recv_data[bytes_recieved] = '\\0';
+
+            printf("Client-Message Received -  %s\\n\\n",recv_data);
+            fprintf(log_client,"Message Received From Server-''' \
+            '''%s\\n",recv_data);
+
+        '''
+
+        # Scheduling output event
+        sch_output_event = []
+
+        for item in self.output_port:
+            sch_output_event.append(
+                "\t/* Scheduling event and processing them */\n\
+        \tif((key_iter=strstr(recv_data, " + '"' + item.split(':')[0] + ':"'")) != NULL)\n\
+        \t{\n\
+        \t\twhile(*key_iter++ != ':');\n\
+        \t\tfor(Ii=0;*key_iter != ';';Ii++,key_iter++)\n\
+        \t\t{\n\
+        \t\t\tfprintf(log_client,\"Client-Bit val is %c \\n\",*key_iter);\n\
+        \t\t\tif(*key_iter=='0')\n\t\t\t{\n\
+        \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ZERO;\n\t\t\t}\n\
+        \t\t\telse if(*key_iter=='1')\n\t\t\t{\n\
+        \t\t\t\t_op_" + item.split(':')[0] + "[Ii]=ONE;\n\
+        \t\t\t}\n\t\t\telse\n\t\t\t{\n\
+        \t\t\t\tfprintf(log_client,\"Unknown value return from server \\n\");\n\
+        \t\t\t\tprintf(\"Client-Unknown value return \\n\");\n\t\t\t}\n\n\
+        \t\t\tif(ANALYSIS == DC)\n\t\t\t{\n\
+        \t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
+        \t\t\t}\n\t\t\telse if(_op_" + item.split(':')[0] + "[Ii] != _op_" + item.split(':')[0] + "_old[Ii])\n\
+        \t\t\t{\n\t\t\t\tOUTPUT_STATE(" + item.split(':')[0] + "[Ii]) = _op_" + item.split(':')[0] + "[Ii];\n\
+        \t\t\t\tOUTPUT_DELAY(" + item.split(':')[0] + "[Ii]) = ((_op_" + item.split(':')[0] + "[Ii] == ZERO) ? PARAM(fall_delay) : PARAM(rise_delay));\n\
+        \t\t\t}\n\t\t\telse\n\t\t\t{\n\
+        \t\t\t\tOUTPUT_CHANGED(" + item.split(':')[0] + "[Ii]) = FALSE;\n\t\t\t}\n\
+        \t\t\tOUTPUT_STRENGTH(" + item.split(':')[0] + "[Ii]) = STRONG;\n\
+        \t\t}\n\
+        \t}\n")
+
+        # Writing content in cfunc.mod file
+        cfunc.write(comment)
+        cfunc.write(header)
+        cfunc.write("\n")
+        cfunc.write(function_open)
+        cfunc.write("\n")
+
+        # Adding digital state Variable
+        for item in digital_state_output:
+            cfunc.write("\t" + item + "\n")
+
+        # Adding variable declaration section
+        cfunc.write(var_section)
+        for item in temp_input_var:
+            cfunc.write("\t" + item + "\n")
+        cfunc.write("\n")
+
+        # Adding INIT portion
+        cfunc.write(init_start_function)
+        for item in cm_event_alloc:
+            cfunc.write(2 * "\t" + item)
+            cfunc.write("\n")
+
+        cfunc.write(2 * "\t" + "/* set the load for input ports. */")
+        cfunc.write("\n")
+        cfunc.write(2 * "\t" + "int Ii;")
+        cfunc.write("\n")
+
+        for item in load_in_port:
+            cfunc.write(2 * "\t" + item)
+            cfunc.write("\n")
+        cfunc.write("\n")
+        cfunc.write(2 * "\t" + "/*Retrieve Storage for output*/")
+        cfunc.write("\n")
+        for item in cm_event_get_ptr:
+            cfunc.write(2 * "\t" + item)
+            cfunc.write("\n")
+        cfunc.write(systime_info)
+        cfunc.write("\n")
+        cfunc.write(client_setup_ip)
+        cfunc.write("\n")
+        cfunc.write("\t\tchar command[1024];\n")
+
+        if os.name == 'nt':
+            self.digital_home = self.parser.get('NGSPICE', 'DIGITAL_MODEL')
+            self.msys_home = self.parser.get('COMPILER', 'MSYS_HOME')
+            cmd_str2 = "\\'start_server.sh %d %s\\'" + "\\" + "\""
+            cmd_str1 = os.path.normpath("\"cd " + self.digital_home + "/" + self.fname.split(
+                '.')[0] + "/DUTghdl/ && " + self.msys_home + "/bash.exe -c ")
+            cmd_str1 = cmd_str1.replace("\\", "/")
+            cfunc.write('\t\tsnprintf(command,1024, "start /min cmd /c ' +
+                        '\\' + cmd_str1 + cmd_str2 + ' &", sock_port, my_ip);')
+        else:
+            cfunc.write(
+                '\t\tsnprintf(command,1024,"' + self.home +
+                '/ngspice-nghdl/src/xspice/icm/ghdl/' +
+                self.fname.split('.')[0] +
+                '/DUTghdl/start_server.sh %d %s &", sock_port, my_ip);'
+            )
+
+        cfunc.write('\n\t\tsystem(command);')
+        cfunc.write("\n\t}")
+        cfunc.write("\n")
+        cfunc.write("\telse\n\t{\n")
+
+        for item in els_evt_ptr:
+            cfunc.write(2 * "\t" + item)
+            cfunc.write("\n")
+        cfunc.write("\t}")
+        cfunc.write("\n\n")
+
+        cfunc.write(client_fetch_ip)
+        cfunc.write(create_socket)
+        cfunc.write(connect_server)
+
+        cfunc.write("\t//Formating data for sending it to client\n")
+        cfunc.write("\tint Ii;\n\n")
+
+        for item in assign_data_to_input:
+            cfunc.write(item)
+
+        for item in snprintf_stmt:
+            cfunc.write(item)
+
+        cfunc.write(send_data)
+        cfunc.write(recv_data)
+
+        for item in sch_output_event:
+            cfunc.write(item)
+
+        # Close socket fd
+        if os.name == 'nt':
+            cfunc.write("\tclosesocket(socket_fd);\n\n")
+        else:
+            cfunc.write("\tclose(socket_fd);\n\n")
+
+        # close log_client file
+        cfunc.write("\tfclose(log_client);")
+
+        # Close cm_ function
+        cfunc.write("\n}")
+        cfunc.close()
+
+    def createIfSpecFile(self):
+
+        # ################### Creating ifspec.ifs file #################### #
+
+        print("Starting with ifspec.ifs file")
+        ifspec = open('ifspec.ifs', 'w')
+
+        print("Gathering Al the content for ifspec file")
+
+        ifspec_comment = '''
+        /*
+        SUMMARY: This file is auto generated and it contains the interface
+         specification for the code model. */\n
+        '''
+
+        name_table = 'NAME_TABLE:\n\
+        C_Function_Name: cm_' + self.fname.split('.')[0] + '\n\
+        Spice_Model_Name: ' + self.fname.split('.')[0] + '\n\
+        Description: "Model generated from ghdl code ' + self.fname + '" \n'
+
+        # Input and Output Port Table
+        in_port_table = []
+        out_port_table = []
+
+        for item in self.input_port:
+            port_table = 'PORT_TABLE:\n'
+            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
+            description = (
+                'Description:\t"input port ' + item.split(':')[0] + '"\n'
+            )
+            direction = 'Direction:\tin\n'
+            default_type = 'Default_Type:\td\n'
+            allowed_type = 'Allowed_Types:\t[d]\n'
+            vector = 'Vector:\tyes\n'
+            vector_bounds = (
+                'Vector_Bounds:\t[' + item.split(':')[1] +
+                ' ' + item.split(":")[1] + ']\n'
+            )
+            null_allowed = 'Null_Allowed:\tno\n'
+
+            # Insert detail in the list
+            in_port_table.append(
+                port_table + port_name + description +
+                direction + default_type + allowed_type +
+                vector + vector_bounds + null_allowed
+            )
+
+        for item in self.output_port:
+            port_table = 'PORT_TABLE:\n'
+            port_name = 'Port_Name:\t' + item.split(':')[0] + '\n'
+            description = (
+                'Description:\t"output port ' + item.split(':')[0] + '"\n'
+            )
+            direction = 'Direction:\tout\n'
+            default_type = 'Default_Type:\td\n'
+            allowed_type = 'Allowed_Types:\t[d]\n'
+            vector = 'Vector:\tyes\n'
+            vector_bounds = (
+                'Vector_Bounds:\t[' + item.split(':')[1] +
+                ' ' + item.split(":")[1] + ']\n'
+            )
+            null_allowed = 'Null_Allowed:\tno\n'
+
+            # Insert detail in the list
+            in_port_table.append(
+                port_table + port_name + description +
+                direction + default_type + allowed_type +
+                vector + vector_bounds + null_allowed
+            )
+
+        parameter_table = '''
+
+        PARAMETER_TABLE:
+        Parameter_Name:     instance_id                  input_load
+        Description:        "instance_id"                "input load value (F)"
+        Data_Type:          real                         real
+        Default_Value:      0                            1.0e-12
+        Limits:             -                            -
+        Vector:              no                          no
+        Vector_Bounds:       -                           -
+        Null_Allowed:       yes                          yes
+
+        PARAMETER_TABLE:
+        Parameter_Name:     rise_delay                  fall_delay
+        Description:        "rise delay"                "fall delay"
+        Data_Type:          real                        real
+        Default_Value:      1.0e-9                      1.0e-9
+        Limits:             [1e-12 -]                   [1e-12 -]
+        Vector:              no                          no
+        Vector_Bounds:       -                           -
+        Null_Allowed:       yes                         yes
+
+        '''
+
+        static_table = '''
+
+        STATIC_VAR_TABLE:
+
+        Static_Var_Name:    my_ip
+        Data_Type:          pointer
+        Description:        "connect to ghdlserver through this ip"
+
+        '''
+
+        # Writing all the content in ifspec file
+        ifspec.write(ifspec_comment)
+        ifspec.write(name_table + "\n\n")
+
+        for item in in_port_table:
+            ifspec.write(item + "\n")
+
+        ifspec.write("\n")
+
+        for item in out_port_table:
+            ifspec.write(item + "\n")
+
+        ifspec.write("\n")
+        ifspec.write(parameter_table)
+        ifspec.write("\n")
+        ifspec.write(static_table)
+        ifspec.close()
+
+    def createTestbench(self):
+
+        # #################### Creating testbench file ##################### #
+
+        print("Starting with testbench file")
+
+        testbench = open(self.fname.split('.')[0] + '_tb.vhdl', 'w')
+        print(self.fname.split('.')[0] + '_tb.vhdl')
+
+        # comment
+        comment_vhdl = "------------------------------------------------------"
+        comment_vhdl += "--------------------------\n"
+        comment_vhdl += "--This testbench has been created by "
+        comment_vhdl += "Ambikeshwar Srivastava, Rahul Paknikar \n"
+        comment_vhdl += "--------------------------- FOSSEE, IIT Bombay ------"
+        comment_vhdl += "---------------------------\n"
+        comment_vhdl += "-----------------------------------------------------"
+        comment_vhdl += "---------------------------\n"
+
+        # Adding header, entity and architecture statement
+        tb_header = '''
+        library ieee;
+        use ieee.std_logic_1164.all;
+        use ieee.numeric_std.all;
+        library work;
+        use work.Vhpi_Foreign.all;
+        use work.Utility_Package.all;
+        use work.sock_pkg.all;
+
+        '''
+
+        tb_entity = ("entity " + self.fname.split('.')[0] +
+                     "_tb is\nend entity;\n\n")
+
+        arch = ("architecture " + self.fname.split('.')[0] + "_tb_beh of " +
+                self.fname.split('.')[0] + "_tb is\n")
+
+        # Adding components
+        components = []
+        components.append("\tcomponent " + self.fname.split('.')[0] +
+                          " is\n\t\tport(\n\t\t\t\t")
+
+        port_vector_count = 0
+
+        for item in self.input_port:
+            if self.port_vector_info[port_vector_count]:
+                components.append(
+                    item.split(':')[0] + ": in std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) +
+                    " downto 0);\n\t\t\t\t"
+                )
+            else:
+                components.append(
+                    item.split(':')[0] + ": in std_logic;\n\t\t\t\t"
+                )
+
+            port_vector_count += 1
+            # if item.split(":")[1] != '1':
+            #     components.append(
+            #         item.split(':')[0] + ": in std_logic_vector(" +
+            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
+            #         "\n\t\t\t\t"
+            #     )
+            # else:
+            #     components.append(
+            #         item.split(':')[0] + ": in std_logic_vector(" +
+            #         str(int(item.split(':')[1])-int(1)) + " downto 0);" +
+            #         "\n\t\t\t\t"
+            #     )
+        for item in self.output_port[:-1]:
+            if self.port_vector_info[port_vector_count]:
+                components.append(
+                    item.split(':')[0] + ": out std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) +
+                    " downto 0);\n\t\t\t\t"
+                )
+            else:
+                components.append(
+                    item.split(':')[0] + ": out std_logic;\n\t\t\t\t"
+                )
+
+            port_vector_count += 1
+
+        if self.port_vector_info[port_vector_count]:
+            components.append(
+                self.output_port[-1].split(':')[0] +
+                ": out std_logic_vector(" +
+                str(int(self.output_port[-1].split(':')[1]) - int(1)) +
+                " downto 0)\n\t\t\t\t"
+            )
+        else:
+            components.append(self.output_port[-1].split(':')[0] +
+                              ": out std_logic\n\t\t\t\t")
+            # if item.split(":")[1] != '1':
+            #    components.append(item.split(':')[0]+":
+            # out std_logic_vector("
+            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
+            # else:
+            #    components.append(item.split(':')[0]+":
+            # out std_logic_vector("
+            #   +str(int(item.split(':')[1])-int(1))+" downto 0)\n\t\t\t\t")
+
+        components.append(");\n")
+        components.append("\tend component;\n\n")
+
+        # Adding signals
+        signals = []
+        signals.append("\tsignal clk_s : std_logic := '0';\n")
+
+        port_vector_count = 0
+
+        for item in self.input_port:
+            if self.port_vector_info[port_vector_count]:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+                )
+            else:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
+                )
+            port_vector_count += 1
+
+            # if item.split(":")[1] != '1':
+            #    signals.append("\tsignal "+item.split(':')[0]+":
+            #                   std_logic_vector("+str(int(item.split(':')[1])-
+            #                   int(1))+" downto 0);\n")
+            # else:
+            #    signals.append("\tsignal "+item.split(':')[0]+":
+            #                   std_logic_vector("+str(int(item.split(':')[1])-
+            #                   int(1))+" downto 0);\n")
+
+        for item in self.output_port:
+            if self.port_vector_info[port_vector_count]:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic_vector(" +
+                    str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+                )
+            else:
+                signals.append(
+                    "\tsignal " + item.split(':')[0] + ": std_logic;\n"
+                )
+
+            port_vector_count += 1
+            # if item.split(":")[1] != '1':
+            #     signals.append(
+            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
+            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+            #     )
+            # else:
+            #     signals.append(
+            #         "\tsignal " + item.split(':')[0] + ":std_logic_vector(" +
+            #         str(int(item.split(':')[1]) - int(1)) + " downto 0);\n"
+            #     )
+
+        # Adding mapping part
+        map = []
+        map.append("\tu1 : " + self.fname.split('.')[0] + " port map(\n")
+
+        for item in self.input_port:
+            map.append("\t\t\t\t" + item.split(':')[0] +
+                       " => " + item.split(':')[0] + ",\n")
+
+        for item in self.output_port:
+            if self.output_port.index(item) == len(self.output_port) - 1:
+                map.append("\t\t\t\t" + item.split(':')[0] +
+                           " => " + item.split(':')[0] + "\n")
+            else:
+                map.append("\t\t\t\t" + item.split(':')[0] +
+                           " => " + item.split(':')[0] + ",\n")
+        map.append("\t\t\t);")
+
+        # Testbench Clock
+        tb_clk = "clk_s <= not clk_s after 5 us;\n\n"
+
+        # Adding Process block for Vhpi
+        process_Vhpi = []
+        process_Vhpi.append(
+            "process\n\t\tvariable sock_port : integer;" +
+            "\n\t\ttype string_ptr is access string;" +
+            "\n\t\tvariable sock_ip : string_ptr;" +
+            "\n\t\tbegin\n\t\tsock_port := sock_port_fun;" +
+            "\n\t\tsock_ip := new string'(sock_ip_fun);" +
+            "\n\t\tVhpi_Initialize(sock_port," +
+            "Pack_String_To_Vhpi_String(sock_ip.all));" +
+            "\n\t\twait until clk_s = '1';" +
+            "\n\t\twhile true loop\n\t\t\twait until clk_s = '0';" +
+            "\n\t\t\tVhpi_Listen;\n\t\t\twait for 1 us;\n\t\t\t" +
+            "Vhpi_Send;" +
+            "\n\t\tend loop;\n\t\twait;\n\tend process;\n\n"
+        )
+
+        # Adding process block
+        process = []
+        process.append("\tprocess\n")
+        process.append("\t\tvariable count : integer:=0;\n")
+
+        for item in self.input_port:
+            process.append(
+                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
+            )
+
+        for item in self.output_port:
+            process.append(
+                "\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n"
+            )
+
+        process.append("\t\tvariable obj_ref : VhpiString;\n")
+        process.append("\tbegin\n")
+        process.append("\t\twhile true loop\n")
+        process.append("\t\t\twait until clk_s = '0';\n\n")
+
+        port_vector_count = 0
+
+        for item in self.input_port:
+            process.append(
+                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
+                item.split(':')[0] + '");\n'
+            )
+            process.append(
+                '\t\t\tVhpi_Get_Port_Value(obj_ref,' +
+                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
+            )
+
+            if self.port_vector_info[port_vector_count]:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    ' <= Unpack_String(' + item.split(':')[0] + '_v,' +
+                    item.split(':')[1] + ');\n'
+                )
+            else:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    ' <= To_Std_Logic('+item.split(':')[0]+'_v'+');\n'
+                )
+
+            port_vector_count += 1
+            process.append("\n")
+
+        process.append('\t\t\twait for 1 us;\n')
+
+        for item in self.output_port:
+            if self.port_vector_info[port_vector_count]:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    '_v := Pack_String_To_Vhpi_String' +
+                    '(Convert_SLV_To_String(' +
+                    item.split(':')[0]+'));\n'
+                )
+            else:
+                process.append(
+                    '\t\t\t' + item.split(':')[0] +
+                    '_v := Pack_String_To_Vhpi_String(To_String(' +
+                    item.split(':')[0]+'));\n'
+                )
+
+            port_vector_count += 1
+
+            process.append(
+                '\t\t\tobj_ref := Pack_String_To_Vhpi_String("' +
+                item.split(':')[0]+'");\n'
+            )
+            process.append(
+                '\t\t\tVhpi_Set_Port_Value(obj_ref,' +
+                item.split(':')[0] + '_v,' + item.split(':')[1] + ');\n'
+            )
+            process.append("\n")
+
+        process.append(
+            '\t\t\treport "Iteration - "' +
+            "& integer'image(count) severity note;\n"
+        )
+        process.append('\t\t\tcount := count + 1;\n')
+        process.append("\t\tend loop;\n")
+        process.append("\tend process;\n\n")
+        process.append("end architecture;")
+
+        # Writing all the components to testbench file
+        testbench.write(comment_vhdl)
+        testbench.write(tb_header)
+        testbench.write(tb_entity)
+        testbench.write(arch)
+
+        for item in components:
+            testbench.write(item)
+
+        for item in signals:
+            testbench.write(item)
+
+        testbench.write("\n\n")
+
+        testbench.write("begin\n\n")
+
+        for item in map:
+            testbench.write(item)
+
+        testbench.write("\n\t"+tb_clk)
+
+        for item in process_Vhpi:
+            testbench.write(item)
+
+        for item in process:
+            testbench.write(item)
+
+        testbench.close()
+
+    def createServerScript(self):
+
+        # ####### Creating and writing components in start_server.sh ####### #
+        self.digital_home = self.parser.get('NGSPICE', 'DIGITAL_MODEL')
+
+        start_server = open('start_server.sh', 'w')
+
+        start_server.write("#!/bin/bash\n\n")
+        start_server.write(
+            "###This server run ghdl testebench for infinite time till " +
+            "ngspice send END signal to stop it\n\n"
+        )
+
+        if os.name == 'nt':
+            pathstr = self.digital_home + "/" + \
+                self.fname.split('.')[0] + "/DUTghdl/"
+            pathstr = pathstr.replace("\\", "/")
+            start_server.write("cd "+pathstr+"\n")
+        else:
+            start_server.write("cd "+self.digital_home +
+                               "/" + self.fname.split('.')[0] + "/DUTghdl/\n")
+
+        start_server.write("chmod 775 sock_pkg_create.sh &&\n")
+        start_server.write("./sock_pkg_create.sh $1 $2 &&\n")
+        start_server.write("ghdl -i *.vhdl &&\n")
+        start_server.write("ghdl -a *.vhdl &&\n")
+        start_server.write("ghdl -a "+self.fname+" &&\n")
+        start_server.write(
+            "ghdl -a "+self.fname.split('.')[0]+"_tb.vhdl  &&\n"
+        )
+
+        if os.name == 'nt':
+            start_server.write("ghdl -e -Wl,ghdlserver.o " +
+                               "-Wl,libws2_32.a " + self.fname.split('.')[0] + "_tb &&\n")
+            start_server.write("./"+self.fname.split('.')[0]+"_tb.exe")
+        else:
+            start_server.write("ghdl -e -Wl,ghdlserver.o " +
+                               self.fname.split('.')[0] + "_tb &&\n")
+            start_server.write("./"+self.fname.split('.')[0]+"_tb")
+
+        start_server.close()
+
+    def createSockScript(self):
+
+        # ########### Creating and writing in sock_pkg_create.sh ########### #
+
+        sock_pkg_create = open('sock_pkg_create.sh', 'w')
+
+        sock_pkg_create.write("#!/bin/bash\n\n")
+        sock_pkg_create.write(
+            "##This file creates sock_pkg.vhdl file and sets the port " +
+            "and ip from parameters passed to it\n\n"
+        )
+        sock_pkg_create.write("echo \"library ieee;\n")
+        sock_pkg_create.write("package sock_pkg is\n")
+        sock_pkg_create.write("\tfunction sock_port_fun return integer;\n")
+        sock_pkg_create.write("\tfunction sock_ip_fun return string;\n")
+        sock_pkg_create.write("end;\n\n")
+        sock_pkg_create.write("package body sock_pkg is\n")
+        sock_pkg_create.write("\tfunction sock_port_fun return integer is\n")
+        sock_pkg_create.write("\t\tvariable sock_port : integer;\n")
+        sock_pkg_create.write("\t\t\tbegin\n")
+        sock_pkg_create.write("\t\t\t\tsock_port := $1;\n")
+        sock_pkg_create.write("\t\t\t\treturn sock_port;\n")
+        sock_pkg_create.write("\t\t\tend function;\n\n")
+        sock_pkg_create.write("\tfunction sock_ip_fun return string is\n")
+        sock_pkg_create.write("\t\ttype string_ptr is access string;\n")
+        sock_pkg_create.write("\t\tvariable sock_ip : string_ptr;\n")
+        sock_pkg_create.write("\t\t\tbegin\n")
+        sock_pkg_create.write('\t\t\t\tsock_ip := new string\'(\\"$2\\");\n')
+        sock_pkg_create.write("\t\t\t\treturn sock_ip.all;\n")
+        sock_pkg_create.write("\t\t\tend function;\n\n")
+        sock_pkg_create.write("\t\tend package body;\" > sock_pkg.vhdl")
-- 
cgit