Function AddVariable

NULLC/Callbacks.cpp:1181–1217

}

VariableInfo* AddVariable(const char* pos, InplaceStr variableName, bool preserveNamespace)
{
	CodeInfo::lastKnownStartPos = pos;

	InplaceStr varName = preserveNamespace ? GetNameInNamespace(variableName) : variableName;

	unsigned int hash = GetStringHash(varName.begin, varName.end);

	if(TypeInfo **info = CodeInfo::classMap.find(hash))
		ThrowError(pos, "ERROR: name '%.*s' is already taken for a class", varName.end-varName.begin, varName.begin);

	// Check for variables with the same name in current scope
	if(VariableInfo ** info = varMap.find(hash))
		if((*info)->blockDepth >= varInfoTop.size())
			ThrowError(pos, "ERROR: name '%.*s' is already taken for a variable in current scope", varName.end-varName.begin, varName.begin);
	// Check for functions with the same name
	CheckCollisionWithFunction(pos, varName, hash, varInfoTop.size());

	if((currType && currType->alignBytes != 0) || currAlign != TypeInfo::UNSPECIFIED_ALIGNMENT)
	{
		unsigned int offset = GetAlignmentOffset(pos, currAlign != TypeInfo::UNSPECIFIED_ALIGNMENT ? currAlign : currType->alignBytes);
		varTop += offset;
	}
	if(currType && currType->hasFinalizer)
		ThrowError(pos, "ERROR: cannot create '%s' that implements 'finalize' on stack", currType->GetFullTypeName());
	if(currType && !currType->hasFinished && currType != newType)
		ThrowError(pos, "ERROR: type '%s' is not fully defined. You can use '%s ref' or '%s[]' at this point", currType->GetFullTypeName(), currType->GetFullTypeName(), currType->GetFullTypeName());
	CodeInfo::varInfo.push_back(new VariableInfo(currDefinedFunc.size() > 0 ? currDefinedFunc.back() : NULL, varName, hash, varTop, currType, currDefinedFunc.size() == 0));
	varDefined = true;
	CodeInfo::varInfo.back()->blockDepth = varInfoTop.size();
	if(currType)
		varTop += currType->size;
	if(varTop > (1 << 24))
		ThrowError(pos, "ERROR: variable size limit exceeded");
	varMap.insert(hash, CodeInfo::varInfo.back());
	return CodeInfo::varInfo.back();
}

void AddVariableReserveNode(const char* pos)
{