Changeset 814 in dev for branches/egtra/ab5.0/abdev/BasicCompiler_Common/src/LexicalAnalyzer_Const.cpp

Timestamp:

Mar 19, 2011, 1:29:12 AM (14 years ago)

Author:

イグトランス (egtra)

Message:

LexicalAnalyzer周りの修正

File:

• branches/egtra/ab5.0/abdev/BasicCompiler_Common/src/LexicalAnalyzer_Const.cpp (modified) (9 diffs)

branches/egtra/ab5.0/abdev/BasicCompiler_Common/src/LexicalAnalyzer_Const.cpp

@@ -85 +85 @@
 
     int i2;
-    char temporary[1024];
 
     // 名前空間管理
@@ -91 +90 @@
     namespaceScopes.clear();
 
-    for(int i=0;;i++){
+    for (int i = 0; ; ++i)
+    {
         if( source[i] == '\0' ) break;
 
         if( source[i] == 1 && source[i+1] == ESC_NAMESPACE ){
-            for(i+=2,i2=0;;i2++,i++){
-                if( IsCommandDelimitation( source[i] ) ){
-                    temporary[i2]=0;
-                    break;
-                }
-                temporary[i2]=source[i];
-            }
-            namespaceScopes.push_back( temporary );
+            i+=2;
+            char const* p = &source[i];
+            while (!IsCommandDelimitation(source[i]))
+            {
+                ++i;
+            }
+            namespaceScopes.push_back(std::string(p, &source[i]));
 
             continue;
@@ -131 +130 @@
                 }
 
+                char const* beginTemp = &source[i];
+                char const* endTemp = &source[i];
+
                 for(i2=0;;i++,i2++){
                     if(source[i]=='\"'){
-                        temporary[i2]=source[i];
                         for(i++,i2++;;i++,i2++){
-                            temporary[i2]=source[i];
                             if(source[i]=='\"') break;
                         }
@@ -141 +141 @@
                     }
                     if(IsCommandDelimitation(source[i])){
-                        temporary[i2]=0;
+                        endTemp = beginTemp + i2;
                         break;
                     }
-                    temporary[i2]=source[i];
                 }
 
                 //名前を取得
-                char name[VN_SIZE];
+                char const* nameEnd;
                 for(i2=0;;i2++){
-                    if(temporary[i2]=='\0'){
+                    if(beginTemp[i2]=='\0'){
                         compiler.errorMessenger.Output(10,"Const",cp);
                         return;
                     }
-                    if(temporary[i2]=='='||temporary[i2]=='('){
-                        name[i2]=0;
+                    if(beginTemp[i2]=='='||beginTemp[i2]=='('){
+                        nameEnd = beginTemp + i2;
                         break;
                     }
-                    name[i2]=temporary[i2];
-                }
+                }
+                std::string name(beginTemp, nameEnd);
 
                 //重複チェック
@@ -165 +164 @@
                     || compiler.GetObjectModule().meta.GetGlobalConsts().IsExistDuplicationKeyName( name ) )
                 {
-                    compiler.errorMessenger.Output(15,name,cp);
+                    compiler.errorMessenger.Output(15, name, cp);
                     return;
                 }
 
-                if( temporary[i2] == '=' )
+                if( beginTemp[i2] == '=' )
                 {
                     // 定数
-                    const char *expression = temporary + i2 + 1;
+                    std::string expression(beginTemp + i2 + 1, endTemp);
 
                     _int64 i64data;
                     Type resultType;
-                    if( StaticCalculation(false, expression, 0, &i64data, resultType) )
+                    if( StaticCalculation(false, expression.c_str(), 0, &i64data, resultType) )
                     {
                         consts.Add( Symbol( namespaceScopes, name ), i64data, resultType );
@@ -184 +183 @@
                 {
                     // 定数マクロ
-                    const char *params = temporary + i2;
-                    if( !constMacros.Add( Symbol( namespaceScopes, name ), params ) )
+                    std::string params(beginTemp + i2, endTemp);
+                    if( !constMacros.Add( Symbol( namespaceScopes, name ), params.c_str() ) )
                     {
                         compiler.errorMessenger.Output( 1, NULL, i );
@@ -208 +207 @@
 }
 
-bool LexicalAnalyzer::ConstMacroToExpression( const ConstMacro &constMacro, const char *parameterStr, char *dest )
-{
-    extern HANDLE hHeap;
-    int i2,i3,i4,num;
+bool LexicalAnalyzer::ConstMacroToExpression( const ConstMacro &constMacro, const char *parameterStr, char *dest, std::size_t destSize )
+{
+    std::string s;
+    auto ret = ConstMacroToExpression(constMacro, parameterStr, s);
+    strcpy_s(dest, destSize, s.c_str());
+    return ret;
+}
+
+bool LexicalAnalyzer::ConstMacroToExpression( const ConstMacro &constMacro, const char *parameterStr, std::string& dest )
+{
+    int i2,i3;
     char temporary[VN_SIZE];
-    char *pParms[MAX_PARMS];
-    num=0;
+    std::vector<std::string> Parms;
+    dest.reserve(8192);
     i2=0;
     while(1){
         i2=GetOneParameter(parameterStr,i2,temporary);
 
-        pParms[num]=(char *)HeapAlloc(hHeap,0,lstrlen(temporary)+1);
-        lstrcpy(pParms[num],temporary);
-
-        num++;
+        Parms.push_back(temporary);
+
         if(parameterStr[i2]=='\0') break;
     }
-    if( num != constMacro.GetParameters().size() ){
+    if( Parms.size() != constMacro.GetParameters().size() ){
         extern int cp;
-        for(i2=0;i2<num;i2++) HeapDefaultFree(pParms[i2]);
         compiler.errorMessenger.Output(10,constMacro.GetName().c_str(),cp);
-        lstrcpy(dest,"0");
+        dest = '0';
         return true;
     }
 
     i2=0;
-    i4=0;
     while(1){
 
@@ -253 +255 @@
         if( i3 == (int)constMacro.GetParameters().size() ){
             //パラメータでないとき
-            lstrcpy(dest+i4,temporary);
-            i4+=lstrlen(temporary);
+            dest += temporary;
         }
         else{
             //パラメータのとき
-            lstrcpy(dest+i4,pParms[i3]);
-            i4+=lstrlen(pParms[i3]);
+            dest += Parms[i3];
         }
 
         //演算子をコピー
-        for(;;i2++,i4++){
+        for(;;i2++){
             if( constMacro.GetExpression()[i2] == 1 ){
-                dest[i4++] = constMacro.GetExpression()[i2++];
-                dest[i4] = constMacro.GetExpression()[i2];
+                dest += constMacro.GetExpression()[i2++];
+                dest += constMacro.GetExpression()[i2];
                 continue;
             }
             if(IsVariableTopChar( constMacro.GetExpression()[i2] )) break;
-            dest[i4] = constMacro.GetExpression()[i2];
+            dest += constMacro.GetExpression()[i2];
             if( constMacro.GetExpression()[i2] == '\0' ) break;
         }
@@ -277 +277 @@
     }
 
-    for(i2=0;i2<num;i2++) HeapDefaultFree(pParms[i2]);
-
     return true;
 }