public void BasicErrorHandlerUsage()
{
ErrorHandler errorHandler = new ErrorHandler();
errorHandler.errorOccured("Test error 1.", Error.ErrorType.UNDEFINED);
errorHandler.errorOccured("Test error 2.", Error.ErrorType.SYNTAX, 10, 20);
Assert.AreEqual(2, errorHandler.getErrors().Count);
}
public Interpreter(AST ast, Scope globalScope, ErrorHandler errorHandler, ExternalFunctionCreator externalFunctionCreator)
{
m_ast = ast;
m_errorHandler = errorHandler;
m_globalScope = globalScope;
m_currentScope = m_globalScope;
m_externalFunctionCreator = externalFunctionCreator;
}
public ScopeBuilder(AST ast, ErrorHandler errorHandler)
{
Debug.Assert(ast != null);
Debug.Assert(errorHandler != null);
m_errorHandler = errorHandler;
m_ast = ast;
}
public Parser(List<Token> tokens, ErrorHandler errorHandler)
{
m_tokens = tokens;
m_errorHandler = errorHandler;
m_nextTokenIndex = 0;
m_lookahead = new Token[k];
m_lookaheadIndex = 0;
//Fill lookahead buffer:
for (int i = 0; i < k; i++) {
consumeCurrentToken();
}
m_programAST = new AST(new Token(Token.TokenType.PROGRAM_ROOT, "<PROGRAM_ROOT>"));
m_isInsideFunctionDefinition = false;
m_processed = false;
}
private void construct(TextReader stream, FunctionDefinition[] functionDefinitions, VariableDefinition[] variableDefinitions)
{
Debug.Assert(stream != null);
Debug.Assert(functionDefinitions != null);
m_compileTimeErrorHandler = new ErrorHandler();
m_runtimeErrorHandler = new ErrorHandler();
m_tokens = Tokenize(stream);
m_ast = Parse(m_tokens);
if(m_compileTimeErrorHandler.getErrors().Count > 0) { m_compileTimeErrorHandler.printErrorsToConsole(); return; }
AddLocalVariables(m_ast, variableDefinitions);
ExternalFunctionCreator externalFunctionCreator = AddExternalFunctions(functionDefinitions, m_ast);
Scope globalScope = CreateScopeTree(m_ast);
if(m_compileTimeErrorHandler.getErrors().Count > 0) { m_compileTimeErrorHandler.printErrorsToConsole(); return; }
m_interpreter = new InterpreterTwo(m_ast, globalScope, m_runtimeErrorHandler, externalFunctionCreator);
m_started = false;
//PaintAST(m_ast);
}
public Tokenizer(ErrorHandler errorHandler, bool stripOutComments)
{
m_errorHandler = errorHandler;
m_stripOutComments = stripOutComments;
}
public Tokenizer(ErrorHandler errorHandler, bool stripOutComments)
{
m_errorHandler = errorHandler;
m_stripOutComments = stripOutComments;
}
public void UnrecognizedChar()
{
TextReader reader = File.OpenText("code17.txt");
ErrorHandler errorHandler = new ErrorHandler();
Tokenizer tokenizer = new Tokenizer(errorHandler, true);
tokenizer.process(File.OpenText("code17.txt"));
List<Error> errors = errorHandler.getErrors();
Assert.AreEqual(3, errors.Count);
}
public void TooManyTokensInStatements()
{
ErrorHandler errorHandler = new ErrorHandler();
Tokenizer tokenizer = new Tokenizer(errorHandler, true);
List<Token> tokens = tokenizer.process(File.OpenText("code18.txt"));
Parser parser = new Parser(tokens, errorHandler);
parser.process();
errorHandler.printErrorsToConsole();
Assert.AreEqual(3, errorHandler.getErrors().Count);
}