Added initializers to the formal arguments.

src/shared/cplusplus/CheckDeclaration.cpp

@@ -56,6 +56,7 @@
 #include "Symbols.h"
 #include "Control.h"
 #include "Literals.h"
+#include <string>
 #include <cassert>
 
 using namespace CPlusPlus;
@@ -419,8 +420,19 @@ bool CheckDeclaration::visit(ParameterDeclarationAST *ast)
     FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
     Argument *arg = control()->newArgument(sourceLocation, argName);
     ast->symbol = arg;
-    if (ast->expression)
-        arg->setInitializer(true);
+    if (ast->expression) {
+        unsigned startOfExpression = ast->expression->firstToken();
+        unsigned endOfExpression = ast->expression->lastToken();
+        std::string buffer;
+        for (unsigned index = startOfExpression; index != endOfExpression; ++index) {
+            const Token &tk = tokenAt(index);
+            if (tk.whitespace() || tk.newline())
+                buffer += ' ';
+            buffer += tk.spell();
+        }
+        const StringLiteral *initializer = control()->findOrInsertStringLiteral(buffer.c_str(), buffer.size());
+        arg->setInitializer(initializer);
+    }
     arg->setType(argTy);
     _scope->enterSymbol(arg);
     return false;

src/shared/cplusplus/CheckName.cpp

@@ -426,7 +426,7 @@ bool CheckName::visit(ObjCMessageArgumentDeclarationAST *ast)
         Argument *arg = control()->newArgument(ast->firstToken(), _name);
         ast->argument = arg;
         arg->setType(type);
-        arg->setInitializer(false);
+        arg->setInitializer(0);
         _scope->enterSymbol(arg);
     }
 

src/shared/cplusplus/Symbols.cpp

@@ -128,17 +128,20 @@ void Declaration::visitSymbol0(SymbolVisitor *visitor)
 
 Argument::Argument(TranslationUnit *translationUnit, unsigned sourceLocation, const Name *name)
     : Symbol(translationUnit, sourceLocation, name),
-      _initializer(false)
+      _initializer(0)
 { }
 
 Argument::~Argument()
 { }
 
 bool Argument::hasInitializer() const
+{ return _initializer != 0; }
+
+const StringLiteral *Argument::initializer() const
 { return _initializer; }
 
-void Argument::setInitializer(bool hasInitializer)
-{ _initializer = hasInitializer; }
+void Argument::setInitializer(const StringLiteral *initializer)
+{ _initializer = initializer; }
 
 void Argument::setType(const FullySpecifiedType &type)
 { _type = type; }

src/shared/cplusplus/Symbols.h

@@ -148,7 +148,9 @@ public:
     void setType(const FullySpecifiedType &type);
 
     bool hasInitializer() const;
-    void setInitializer(bool hasInitializer);
+
+    const StringLiteral *initializer() const;
+    void setInitializer(const StringLiteral *initializer);
 
     // Symbol's interface
     virtual FullySpecifiedType type() const;
@@ -164,7 +166,7 @@ protected:
 
 private:
     FullySpecifiedType _type;
-    bool _initializer: 1;
+    const StringLiteral *_initializer;
 };
 
 class CPLUSPLUS_EXPORT ScopedSymbol: public Symbol