public override void Visit(VariableNameAST variableName)
{
var ident = _symTableManager.LookupIdentifierInfo(_currentFileName, variableName.Name, _currentScopeId, _currentNodePosition);
if (ident.isFnParam)
{
_currentValue = LLVM.GetParam(_currentFunction, (uint)ident.paramIndex);
}
}
private TypeAST GetVariableType(VariableNameAST variableName, bool isConstant = false)
{
var variableInfo = _symTableManager.
LookupIdentifierInfo(_stateInfo.currentFile, variableName.Name,
_stateInfo.scopeId, _stateInfo.position, isConstant);
if (variableInfo == null && !_stateInfo.lookForEnum)
{
throw new Exception(string.Format("Undeclared {0} variable {1} in file {2}",
isConstant ? "constant" : "", variableName.Name, _stateInfo.currentFile));
}
if (variableInfo == null)
{
var isEnum = _symTableManager.LookupTypeInfo(_stateInfo.currentFile, variableName.Name);
if (isEnum == null || isEnum.kind != TypeKind.ENUM)
{
throw new Exception(string.Format("Undeclared {0} variable {1} in file {2}",
isConstant ? "constant" : "", variableName.Name, _stateInfo.currentFile));
}
return(isEnum.type);
}
if (variableInfo.typeAST == null)
{
Debug.Assert(_getVariableTypeFunc != null);
var previousStateInfo = _stateInfo;
variableInfo.typeAST = _getVariableTypeFunc(variableInfo);
_stateInfo = previousStateInfo;
}
return(variableInfo.typeAST);
}
public override void Visit(VariableNameAST variableName)
{
if (_stateInfo.structOrEnum != null)
{
if (_stateInfo.isConst)
{
throw new Exception("Expression must be constant");
}
if (_stateInfo.structOrEnum.kind == TypeKind.ENUM)
{
_stateInfo.currentType = _stateInfo.structOrEnum.type;
}
else
{
_stateInfo.currentType = _stateInfo.structOrEnum.memberNameType[variableName.Name];
}
return;
}
_stateInfo.currentType = GetVariableType(variableName, _stateInfo.isConst);
}
public virtual void Visit(VariableNameAST variableName)
{
}
