public void ParserGeneratedStageErrors()
{
var grammarText =
$@"grammar {TestGrammarName};
start: rule1+;
rule: DIGIT;
CHAR: [a-z]+;
DIGIT: [0-9]+;
WS: [ \r\n\t]+ -> skip;";
var workflow = new Workflow(GrammarFactory.CreateDefaultCombinedAndFill(grammarText, TestGrammarName, "."));
var state = workflow.Process();
Assert.AreEqual(WorkflowStage.ParserGenerated, state.Stage, state.Exception?.ToString());
var grammarSource = new CodeSource(TestGrammarName + ".g4", File.ReadAllText(TestGrammarName + ".g4"));
char separator = Path.DirectorySeparatorChar;
string testGrammarFullName = $"{Environment.CurrentDirectory}{separator}.{separator}{TestGrammarName}.g4";
ParserGeneratedState parserGeneratedState = state as ParserGeneratedState;
string str = new ParsingError(2, 24, $"error(56): {testGrammarFullName}:2:24: reference to undefined rule: rule1", grammarSource, WorkflowStage.ParserGenerated).ToString();
CollectionAssert.AreEquivalent(
new [] {
new ParsingError(2, 24, $"error(56): {testGrammarFullName}:2:24: reference to undefined rule: rule1", grammarSource, WorkflowStage.ParserGenerated),
},
parserGeneratedState.Errors);
}
public ParserGeneratedState Generate(GrammarCheckedState state, CancellationToken cancellationToken = default)
{
Grammar grammar = state.InputState.Grammar;
_result = new ParserGeneratedState(state, PackageName, Runtime, GenerateListener, GenerateVisitor);
Generate(grammar, state, cancellationToken);
return(_result);
}
public ParserCompiledState Compile(ParserGeneratedState state,
CancellationToken cancellationToken = default)
{
_grammar = state.GrammarCheckedState.InputState.Grammar;
Runtime runtime = state.Runtime;
_result = new ParserCompiledState(state);
_currentRuntimeInfo = RuntimeInfo.InitOrGetRuntimeInfo(runtime);
Processor processor = null;
try
{
string runtimeSource = runtime.GetGeneralRuntimeName();
string runtimeDir = Path.Combine(RuntimesDirName, runtimeSource);
string runtimeLibraryPath = RuntimeLibrary ?? Path.Combine(runtimeDir, _currentRuntimeInfo.RuntimeLibrary);
string workingDirectory = Path.Combine(ParserGenerator.HelperDirectoryName, _grammar.Name, runtime.ToString());
var generatedFiles = new List <string>();
_grammarCodeMapping = new Dictionary <string, List <TextSpanMapping> >();
string generatedGrammarName =
runtime != Runtime.Go ? _grammar.Name : _grammar.Name.ToLowerInvariant();
if (_grammar.Type != GrammarType.Lexer)
{
GetGeneratedFileNames(state.GrammarCheckedState, generatedGrammarName, workingDirectory, generatedFiles, false);
}
GetGeneratedFileNames(state.GrammarCheckedState, generatedGrammarName, workingDirectory, generatedFiles, true);
CopyCompiledSources(runtime, workingDirectory);
if (_grammar.Type != GrammarType.Lexer)
{
if (state.IncludeListener)
{
GetGeneratedListenerOrVisitorFiles(generatedGrammarName, workingDirectory, generatedFiles, false);
}
if (state.IncludeVisitor)
{
GetGeneratedListenerOrVisitorFiles(generatedGrammarName, workingDirectory, generatedFiles, true);
}
}
string arguments = "";
switch (runtime)
{
case Runtime.CSharpOptimized:
case Runtime.CSharpStandard:
arguments = PrepareCSharpFiles(workingDirectory, runtimeDir);
break;
case Runtime.Java:
arguments = PrepareJavaFiles(generatedFiles, runtimeDir, workingDirectory, runtimeLibraryPath);
break;
case Runtime.Python2:
case Runtime.Python3:
arguments = PreparePythonFiles(generatedFiles, runtimeDir, workingDirectory);
break;
case Runtime.JavaScript:
arguments = PrepareJavaScriptFiles(generatedFiles, workingDirectory, runtimeDir);
break;
case Runtime.Go:
arguments = PrepareGoFiles(generatedFiles, runtimeDir, workingDirectory);
break;
case Runtime.Php:
arguments = PreparePhpFiles(generatedFiles, runtimeDir, workingDirectory);
break;
}
PrepareParserCode(workingDirectory, runtimeDir);
_buffer = new List <string>();
_processedMessages = new HashSet <string>();
_result.Command = _currentRuntimeInfo.RuntimeToolName + " " + arguments;
processor = new Processor(_currentRuntimeInfo.RuntimeToolName, arguments, workingDirectory);
processor.CancellationToken = cancellationToken;
processor.ErrorDataReceived += ParserCompilation_ErrorDataReceived;
processor.OutputDataReceived += ParserCompilation_OutputDataReceived;
processor.Start();
if (_buffer.Count > 0)
{
if (runtime.IsPythonRuntime())
{
AddPythonError();
}
else if (runtime == Runtime.JavaScript)
{
AddJavaScriptError();
}
}
cancellationToken.ThrowIfCancellationRequested();
}
catch (Exception ex)
{
_result.Exception = ex;
if (!(ex is OperationCanceledException))
{
AddError(new ParsingError(ex, WorkflowStage.ParserCompiled));
}
}
finally
{
processor?.Dispose();
}
return(_result);
}
