Updated Scilab2C

1 files changed, 92 insertions, 0 deletions

diff --git a/macros/ASTManagement/AST_HandleIfElse.sci b/macros/ASTManagement/AST_HandleIfElse.sci
new file mode 100644
index 0000000..5373adf
--- /dev/null
+++ b/macros/ASTManagement/AST_HandleIfElse.sci
@@ -0,0 +1,92 @@
+function [FileInfo,SharedInfo] = AST_HandleIfElse(FileInfo,SharedInfo,ASTIfExpType)
+// function [FileInfo,SharedInfo] = AST_HandleIfElse(FileInfo,SharedInfo,ASTIfExpType)
+// -----------------------------------------------------------------
+//#RNU_RES_B
+// Handles the Else If tag of the AST.
+//
+// overloading function for "ifthenel" type tlist string function
+// this is a node of the AST
+// fields:  
+//     expression  : "expression" type tlist (the if expression)
+//     then        : list of "equal" type tlist and list('EOL') (the
+//                            then instructions list)
+//     elseifs     : a list of tlists
+//     else        : list of "equal" type tlist and list('EOL') (the
+//                            else instructions list)
+//    txt=['If '
+//         '  Expression:' 
+//         '     '+string(I.expression)
+//         '  If Statements'
+//         '    '+objectlist2string(I.then)]
+//    for e=I.elseifs
+//      txt=[txt;
+//  	  '  Else If Expression'
+//   	  '     '+string(e.expression)
+// 	  '  Else If Statements'
+//         '    '+objectlist2string(e.then)]
+//    end
+//    txt=[txt;
+//         '  Else Statements'
+//         '    '+objectlist2string(I.else)
+//         'EndIf']
+//
+// Input data:
+// ASTIfExpType: it specifies if we are handling a if condition (ASTIfExpType='if')
+//            or an elseif condition (ASTIfExpType='elseif') or else statement (ASTIfExpType='else')
+//#RNU_RES_E
+// //NUT: add description here
+//
+//
+// Output data:
+// //NUT: add description here
+//
+//
+// Status:
+// 11-Apr-2007 -- Raffaele Nutricato: Author.
+//
+// Copyright 2007 Raffaele Nutricato.
+// Contact: raffaele.nutricato@tiscali.it
+// -----------------------------------------------------------------
+
+// ------------------------------
+// --- Check input arguments. ---
+// ------------------------------
+SCI2CNInArgCheck(argn(2),3,3);
+
+// -----------------------
+// --- Initialization. ---
+// -----------------------
+nxtscifunname   = SharedInfo.NextSCIFunName;
+nxtscifunnumber = SharedInfo.NextSCIFunNumber;
+ReportFileName  = FileInfo.Funct(nxtscifunnumber).ReportFileName;
+PrintStepInfo('Handling If Statements',FileInfo.Funct(nxtscifunnumber).ReportFileName,'file');
+
+global SCI2CSTACK 
+global StackPosition;
+global STACKDEDUG
+// ---------------------------
+// --- End Initialization. ---
+// ---------------------------
+
+//#RNU_RES_B
+// ---------------------------------------------------
+// --- Retrieve If Expression Parameters from AST. ---
+// ---------------------------------------------------
+//#RNU_RES_E
+if (ASTIfExpType~='else')
+   [IfCondArg,NIfCondArg] = AST_ParseIfExprStruct(FileInfo,SharedInfo,ASTIfExpType);
+else
+   // "else" type doesn't contain any condition to test.
+   IfCondArg = '';
+   NIfCondArg = 0;
+end
+
+//#RNU_RES_B
+// -----------------------------
+// --- C Generation Section. ---
+// -----------------------------
+// --- Generate the C code for if/elseif Expression. ---
+//#RNU_RES_E
+SharedInfo = C_IfExpression(IfCondArg,NIfCondArg,ASTIfExpType,FileInfo,SharedInfo);
+
+endfunction