Changeset 573 in dev for trunk/ab5.0/abdev/BasicCompiler_Common/src/LexicalAnalyzer_Procedure.cpp

Timestamp:

May 7, 2008, 10:27:02 AM (16 years ago)

Author:

dai_9181

Message:

Procedureクラスインスタンスを対象としたLexicalAnalyzer::SetParamsAndReturnTypeメソッドを実装。

File:

• trunk/ab5.0/abdev/BasicCompiler_Common/src/LexicalAnalyzer_Procedure.cpp (modified) (2 diffs)

trunk/ab5.0/abdev/BasicCompiler_Common/src/LexicalAnalyzer_Procedure.cpp

@@ -275 +275 @@
     BOOST_FOREACH( Parameter *pParam, userProc.GetParameters() ){
         userProc.RealParams().push_back( new Parameter( *pParam ) );
+    }
+
+    return true;
+}
+
+bool LexicalAnalyzer::SetParamsAndReturnType( Procedure *pProc, const char *sourceOfParams, bool isSupportEllipse, int nowLine ){
+    int i = 0;
+    int i2,i3,sw;
+    char temporary[8192],temp2[VN_SIZE];
+
+    //ソースコードの位置
+    pProc->SetCodePos( nowLine );
+
+    //パラメータ
+    if(sourceOfParams[i]!='('){
+        compiler.errorMessenger.Output(1,NULL,nowLine);
+        return 0;
+    }
+    i++;
+    while(1){
+        if(sourceOfParams[i]==')') break;
+
+        //ByRef
+        bool isRef;
+        if(sourceOfParams[i]==1&&sourceOfParams[i+1]==ESC_BYVAL){
+            isRef = false;
+            i+=2;
+        }
+        else if(sourceOfParams[i]==1&&sourceOfParams[i+1]==ESC_BYREF){
+            isRef = true;
+            i+=2;
+        }
+        else isRef = false;
+
+        //パラメータ名
+        bool isArray = false;
+        Subscripts subscripts;
+        char name[VN_SIZE];
+        sw=0;
+        for(i2=0;;i++,i2++){
+            if(sourceOfParams[i]=='('){
+                if(!sw) sw=1;
+
+                i3=GetStringInPare(name+i2,sourceOfParams+i);
+                i2+=i3-1;
+                i+=i3-1;
+                continue;
+            }
+            if(sourceOfParams[i]=='['){
+                if(!sw) sw=1;
+
+                i3=GetStringInBracket(name+i2,sourceOfParams+i);
+                i2+=i3-1;
+                i+=i3-1;
+                continue;
+            }
+            if(!IsVariableChar(sourceOfParams[i])){
+                name[i2]=0;
+                break;
+            }
+            name[i2]=sourceOfParams[i];
+        }
+        if(sw){
+            //配列パラメータ
+            if( isRef == false ) compiler.errorMessenger.Output(29,NULL,nowLine);
+            isArray = true;
+
+            if((name[i2-2]=='('&&name[i2-1]==')')||
+                (name[i2-2]=='['&&name[i2-1]==']'))
+            {
+                subscripts.push_back( LONG_MAX );
+
+                name[i2-2]=0;
+            }
+            else{
+                GetArrange(name,temp2,subscripts);
+                lstrcpy(name,temp2);
+            }
+
+            i2=lstrlen(name);
+        }
+
+        //型
+        Type type( DEF_NON );
+        if( isSupportEllipse && lstrcmp(name,"...")==0 )
+        {
+            type.SetBasicType( DEF_ELLIPSE );
+        }
+        else if(sourceOfParams[i]==1&&sourceOfParams[i+1]==ESC_AS)
+        {
+            i+=2;
+
+            i2=0;
+            while(sourceOfParams[i]=='*'){
+                temporary[i2]=sourceOfParams[i];
+                i++;
+                i2++;
+            }
+            for(;;i++,i2++){
+                if(!IsVariableChar(sourceOfParams[i])){
+                    if(sourceOfParams[i]==1&&(sourceOfParams[i+1]==ESC_FUNCTION||sourceOfParams[i+1]==ESC_SUB)){
+                        temporary[i2++]=sourceOfParams[i++];
+                        temporary[i2]=sourceOfParams[i];
+                        continue;
+                    }
+                    temporary[i2]=0;
+                    break;
+                }
+                temporary[i2]=sourceOfParams[i];
+            }
+
+            compiler.StringToType( temporary, type );
+
+            if( type.IsNull() ){
+                compiler.errorMessenger.Output(3,temporary,nowLine);
+                type.SetBasicType( DEF_PTR_VOID );
+            }
+        }
+        else{
+            type.SetBasicType( Type::GetBasicTypeFromSimpleName(temporary) );
+            compiler.errorMessenger.Output(-103,temporary,nowLine);
+        }
+
+        Parameter *pParam = new Parameter( name, type, isRef );
+        if( isArray ){
+            pParam->SetArray( subscripts );
+        }
+
+        //パラメータを追加
+        pProc->GetParameters().push_back( pParam );
+
+        if(sourceOfParams[i]==','){
+            i++;
+            continue;
+        }
+        else if(sourceOfParams[i]==')') continue;
+        else{
+            compiler.errorMessenger.Output(1,NULL,nowLine);
+            break;
+        }
+    }
+    i++;
+
+    if(sourceOfParams[i]){
+        ///////////////////
+        // 戻り値を取得
+        ///////////////////
+
+        i2=lstrlen(sourceOfParams)-2;
+
+        int sw_as=0;
+        for(;i2>0;i2--){
+            if(sourceOfParams[i2]==')') break;
+
+            if(sourceOfParams[i2]==1&&sourceOfParams[i2+1]==ESC_AS){
+                i2+=2;
+                i3=0;
+                while(sourceOfParams[i2]=='*') temporary[i3++]=sourceOfParams[i2++];
+                for(;;i2++,i3++){
+                    if(!IsVariableChar(sourceOfParams[i2])){
+                        temporary[i3]=0;
+                        break;
+                    }
+                    temporary[i3]=sourceOfParams[i2];
+                }
+                compiler.StringToType( temporary, pProc->ReturnType() );
+                if( pProc->ReturnType().IsNull() ) compiler.errorMessenger.Output(3,temporary,nowLine);
+
+                sw_as=1;
+                break;
+            }
+        }
+    }
+    else{
+        //戻り値なしのSub定義
+        pProc->ReturnType().SetNull();
+    }
+
+    //戻り値のエラーチェック
+    if( pProc->IsFunction() ){
+        // Function定義
+
+        if( pProc->ReturnType().IsNull() ){
+            // 戻り値がない
+            compiler.errorMessenger.Output(26,pProc->GetName(),nowLine);
+        }
+    }
+    else{
+        if( !pProc->ReturnType().IsNull() ){
+            // Sub定義なのに、戻り値がある
+            compiler.errorMessenger.Output(38,pProc->GetName(),nowLine);
+        }
     }
 
@@ -549 +741 @@
     // パラメータを解析
     // ※第1パラメータにに指定するデータの例："( s As String ) As String"
-    pDllProc->SetParamsAndReturnType( buffer + i, nowLine );
+    LexicalAnalyzer::SetParamsAndReturnType( pDllProc, buffer + i, true, nowLine );
 
     // パラメータのエラーチェック