From 5deac9027a851c497c6aebfb9b74c491b598e944 Mon Sep 17 00:00:00 2001
From: rahulp13
Date: Thu, 20 Feb 2020 15:19:54 +0530
Subject: restructured code - pyinstaller

---
 src/Appconfig.py        |    2 +-
 src/model_generation.py | 1976 ++++++++++++++++++++++++-----------------------
 src/ngspice_ghdl.py     |   25 +-
 3 files changed, 1015 insertions(+), 988 deletions(-)

(limited to 'src')

diff --git a/src/Appconfig.py b/src/Appconfig.py
index 8ad0a77..8cf63a2 100644
--- a/src/Appconfig.py
+++ b/src/Appconfig.py
@@ -9,7 +9,7 @@ class Appconfig:
     parser_esim.read(os.path.join(home, os.path.join('.esim', 'config.ini')))
     try:
         src_home = parser_esim.get('eSim', 'eSim_HOME')
-        xml_loc = os.path.join(src_home, 'src/modelParamXML')
+        xml_loc = os.path.join(src_home, 'library/modelParamXML')
         lib_loc = os.path.expanduser('~')
     except BaseException:
         pass
diff --git a/src/model_generation.py b/src/model_generation.py
index 445143b..dd6eea2 100644
--- a/src/model_generation.py
+++ b/src/model_generation.py
@@ -1,1010 +1,1032 @@
 #!/usr/bin/python3
 
 import re
-import sys
 import os
 
-# Script start from here
-print("Arguement is :", sys.argv[1])
-fname = os.path.basename(sys.argv[1])
-print("VHDL filename is :", fname)
-home = os.path.expanduser("~")
-
-# #### Creating connection_info.txt file from vhdl file #### #
-read_vhdl = open(sys.argv[1], '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 = []
-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:
-            print("Please check your vhdl code for datatype of input port")
-            sys.exit()
-    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:
-            print("Please check your vhdl code for datatype of output port")
-            sys.exit()
-    else:
-        print("Please check the in/out direction of your port")
-        sys.exit()
-
-    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)))
-        port_vector_info.append(1)
-    else:
-        port_info.append(lhs + ":" + str(int(1)))
-        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()
-
-
-# ################## 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())
-        else:
-            pass
-            # print("Not Found")
 
-        if out_items:
-            output_list.append(line.split())
-            # print("Found Out")
-        else:
-            pass
+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)
 
-print("Inout List :", input_list)
-print("Output list", output_list)
-input_port = []
-output_port = []
+        # Open connection_info.txt file
+        con_ifo = open('connection_info.txt', 'w')
 
-# creating list of input and output port with its weight
-for input in input_list:
-    input_port.append(input[0]+":"+input[2])
-for output in output_list:
-    output_port.append(output[0]+":"+output[2])
+        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()
 
-print("Output Port List : ", output_port)
-print("Input Port List : ", input_port)
+    def readPortInfo(self):
 
+        # ############## Reading connection/port information ############## #
 
-# ################## Creating content for cfunc.mod file ################## #
+        # Declaring input and output list
+        input_list = []
+        output_list = []
 
-print("Starting With cfunc.mod file")
-cfunc = open('cfunc.mod', 'w')
-print("Building content for cfunc.mod file")
+        # Reading connection_info.txt file for port infomation
+        read_file = open('connection_info.txt', 'r')
+        data = read_file.readlines()
+        read_file.close()
 
-comment = '''/* This is cfunc.mod file auto generated by gen_con_info.py
-Developed by Fahim, Rahul at IIT Bombay */\n
+        # 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>
         '''
 
-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_''' + fname.split('.')[0] + '''(ARGS) \n{''')
-
-digital_state_output = []
-for item in 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 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 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 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 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));
-'''
-
-init_else = '''
-        printf("Client-Inside else of INIT \\n");
-        fprintf(log_client,"Inside else of INIT \\n");
-        /*  retrieve storage for output ports. */
-'''
-
-els_evt_ptr = []
-els_evt_count1 = 0
-els_evt_count2 = 0
-for item in 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];
-            while(fscanf(fptr, "%s", line) == 1) {
-                ip_count++;
-            }
+        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];
+                    while(fscanf(fptr, "%s", line) == 1) {
+                        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\\n", my_ip);
+                    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");
+        '''
 
-            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\\n", my_ip);
-            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)
+        create_socket = '''
+            //Creating socket for client
+            if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
             {
-                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");
+                perror("Client - Error while creating client Socket ");
+                fprintf(log_client,"Error while creating client socket \\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 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 input_port:
-    snprintf_count = snprintf_count + 1
-    snprintf_stmt.append(item.split(':')[0] + ":%s")
-    if snprintf_count == len(input_port):
-        snprintf_stmt.append('", ')
-        internal_count = 0
-        for item1 in input_port:
-            if internal_count == len(input_port):
-                pass
-            else:
-                snprintf_stmt.append("temp_" + item1.split(':')[0])
-                internal_count = internal_count + 1
-                if internal_count == len(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 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,"' + home +
-    '/ngspice-nghdl/src/xspice/icm/ghdl/' +
-    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()
-
-
-# ####################### 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_' + fname.split('.')[0] + '\n\
-Spice_Model_Name: ' + fname.split('.')[0] + '\n\
-Description: "Model generated from ghdl code ' + fname + '" \n'
-
-# Input and Output Port Table
-in_port_table = []
-out_port_table = []
-
-for item in 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 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()
-
-
-# ######################### Creating testbench file ######################### #
-
-print("Starting with testbench file")
-
-testbench = open(fname.split('.')[0] + '_tb.vhdl', 'w')
-print(fname.split('.')[0] + '_tb.vhdl')
-
-# comment
-comment_vhdl = "-------------------------------------------------------------"
-comment_vhdl += "-------------------\n"
-comment_vhdl += "--This testbench has been created by Ambikeshwar Srivastava, "
-comment_vhdl += "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 " + fname.split('.')[0] + "_tb is\nend entity;\n\n"
-
-arch = ("architecture " + fname.split('.')[0] + "_tb_beh of " +
-        fname.split('.')[0] + "_tb is\n")
-
-# Adding components
-components = []
-components.append(
-    "\tcomponent " + fname.split('.')[0] + " is\n\t\tport(\n\t\t\t\t"
-)
-
-port_vector_count = 0
-
-for item in input_port:
-    if 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 output_port[:-1]:
-    if 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"
+            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"
         )
-    else:
-        components.append(
-            item.split(':')[0] + ": out std_logic;\n\t\t\t\t"
+        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)
 
-    port_vector_count += 1
-
-if port_vector_info[port_vector_count]:
-    components.append(
-        output_port[-1].split(':')[0] + ": out std_logic_vector(" +
-        str(int(output_port[-1].split(':')[1]) - int(1)) +
-        " downto 0)\n\t\t\t\t"
-    )
-else:
-    components.append(
-        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 input_port:
-    if 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"
+        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"
         )
-    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 output_port:
-    if 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"
+
+        # 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"
         )
-    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 : " + fname.split('.')[0] + " port map(\n")
-
-for item in input_port:
-    map.append(
-        "\t\t\t\t" + item.split(':')[0] + " => " + item.split(':')[0] + ",\n"
-    )
-
-for item in output_port:
-    if output_port.index(item) == len(output_port) - 1:
-        map.append(
-           "\t\t\t\t" + item.split(':')[0] + " => " + item.split(':')[0] + "\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"
         )
-    else:
-        map.append(
-          "\t\t\t\t" + item.split(':')[0] + " => " + item.split(':')[0] + ",\n"
+        start_server.write(
+            "cd "+self.home+"/ngspice-nghdl/src/xspice/icm/ghdl/" +
+            self.fname.split('.')[0]+"/DUTghdl/\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 input_port:
-    process.append("\t\tvariable " + item.split(':')[0] + "_v : VhpiString;\n")
-
-for item in 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 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 port_vector_info[port_vector_count]:
-        process.append(
-            '\t\t\t' + item.split(':')[0] +
-            ' <= Unpack_String(' + item.split(':')[0] + '_v,' +
-            item.split(':')[1] + ');\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 -a sock_pkg.vhdl &&\n")
+        start_server.write("ghdl -a "+self.fname+" &&\n")
+        start_server.write(
+            "ghdl -a "+self.fname.split('.')[0]+"_tb.vhdl  &&\n"
         )
-    else:
-        process.append(
-            '\t\t\t' + item.split(':')[0] +
-            ' <= To_Std_Logic('+item.split(':')[0]+'_v'+');\n'
+        start_server.write(
+            "ghdl -e -Wl,ghdlserver.o " + self.fname.split('.')[0] + "_tb &&\n"
         )
+        start_server.write("./"+self.fname.split('.')[0]+"_tb")
 
-    port_vector_count += 1
-    process.append("\n")
+        start_server.close()
 
-process.append('\t\t\twait for 1 us;\n')
+    def createSockScript(self):
 
-for item in output_port:
-    if 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'
-        )
+        # ########### Creating and writing in sock_pkg_create.sh ########### #
 
-    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()
-
-
-# ########### 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 "+home+"/ngspice-nghdl/src/xspice/icm/ghdl/" +
-    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 -a sock_pkg.vhdl &&\n")
-start_server.write("ghdl -a "+fname+" &&\n")
-start_server.write("ghdl -a "+fname.split('.')[0]+"_tb.vhdl  &&\n")
-start_server.write("ghdl -e -Wl,ghdlserver.o "+fname.split('.')[0]+"_tb &&\n")
-start_server.write("./"+fname.split('.')[0]+"_tb")
-
-start_server.close()
-
-
-# ############### 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")
+        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")
diff --git a/src/ngspice_ghdl.py b/src/ngspice_ghdl.py
index 8fc5549..9991793 100755
--- a/src/ngspice_ghdl.py
+++ b/src/ngspice_ghdl.py
@@ -12,6 +12,7 @@ from PyQt4 import QtCore
 from configparser import SafeConfigParser
 from Appconfig import Appconfig
 from createKicadLibrary import AutoSchematic
+from model_generation import ModelGeneration
 
 
 class Mainwindow(QtGui.QWidget):
@@ -20,7 +21,6 @@ class Mainwindow(QtGui.QWidget):
         # super(Mainwindow, self).__init__()
         QtGui.QMainWindow.__init__(self)
         print("Initializing..........")
-        print("running with Python version:", sys.version_info[0])
 
         self.home = os.path.expanduser("~")
         # Reading all variables from config.ini
@@ -86,7 +86,7 @@ class Mainwindow(QtGui.QWidget):
         except BaseException:
             pass
         print("Close button clicked")
-        quit()
+        sys.exit()
 
     def browseFile(self):
         print("Browse button clicked")
@@ -149,7 +149,7 @@ class Mainwindow(QtGui.QWidget):
                 os.mkdir(self.modelname)
             else:
                 print("Exiting application")
-                quit()
+                sys.exit()
         else:
             print("Creating model " + self.modelname + " directory")
             os.mkdir(self.modelname)
@@ -177,11 +177,16 @@ class Mainwindow(QtGui.QWidget):
         print("Create Model Files Called")
         os.chdir(self.cur_dir)
         print("Current Working directory changed to " + self.cur_dir)
-        cmd = ("python3 " + self.src_home +
-               "/src/model_generation.py " + str(self.ledit.text()))
-        stdouterr = subprocess.Popen(cmd, shell=True)
-        stdouterr.wait()
-        print(stdouterr)
+
+        # Generate model corresponding to the uploaded VHDL file
+        model = ModelGeneration(str(self.ledit.text()))
+        model.readPortInfo()
+        model.createCfuncModFile()
+        model.createIfSpecFile()
+        model.createTestbench()
+        model.createServerScript()
+        model.createSockScript()
+
         # Moving file to model directory
         path = os.path.join(self.digital_home, self.modelname)
         shutil.move("cfunc.mod", path)
@@ -247,7 +252,7 @@ class Mainwindow(QtGui.QWidget):
             print("make command process pid ---------- >", self.process.pid())
         except BaseException:
             print("There is error in 'make' ")
-            quit()
+            sys.exit()
 
     def runMakeInstall(self):
         print("run Make Install Called")
@@ -271,7 +276,7 @@ class Mainwindow(QtGui.QWidget):
 
         except BaseException:
             print("There is error in 'make install' ")
-            quit()
+            sys.exit()
 
     def createSchematicLib(self):
         if Appconfig.esimFlag == 1:
-- 
cgit