private void AnalyzeFuncCall(FunctionItem currentFunction)
{
_expressionAnalyzer.Add(_token);
NextToken();
}
private void AnalyzeFuncDcl()
{
_isAnalyzingFunction = true;
NextToken();
if (_token.Symbol != Symbols.SIdentificador)
{
RaiseUnexpectedTokenError("identificador");
}
var item = _symbolTable.Search(_token.Lexeme);
if (item != null)
{
RaiseDoubleError(Symbols.SFuncao);
}
var funcItem = new FunctionItem
{
Lexeme = _token.Lexeme,
Level = _level,
Label = _codeGenerator.GetStringLabelFor(_lastLabel)
};
_funcInfo = new FunctionInfo { Name = _token.Lexeme };
_rootNode = new SyntaxTreeNode { Value = _token.Symbol };
_currentNode = _rootNode;
_codeGenerator.GenerateLabel(_lastLabel);
_level++;
NextToken();
if (_token.Symbol != Symbols.SDoisPontos)
{
RaiseUnexpectedTokenError("\":\"");
}
NextToken();
if (_token.Symbol != Symbols.SInteiro && _token.Symbol != Symbols.SBooleano)
{
RaiseUnexpectedTokenError("\"inteiro\" ou \"booleano\"");
}
var type = _token.Symbol == Symbols.SInteiro ? ItemType.Integer : ItemType.Boolean;
funcItem.Type = type;
_symbolTable.Insert(funcItem);
NextToken();
if (_token.Symbol != Symbols.SPontoVirgula)
{
RaiseMissingSemicolonError();
}
AnalyzeBlock(true);
if (!FunctionHelper.AllPathsReturns(_rootNode))
{
RaiseMissingFunctionReturn();
}
_symbolTable.CleanUpToLevel(_level);
_level--;
_rootNode = _currentNode = null;
_funcInfo = null;
}