public static void ParseProgramOrClass(TextSourceInfo textSourceInfo, ISearchableReadOnlyList<CodeElementsLine> codeElementsLines, TypeCobolOptions compilerOptions, SymbolTable customSymbols, out Program newProgram, out Class newClass, out IList<ParserDiagnostic> diagnostics)
{
// Create an Antlr compatible token source on top a the token iterator
CodeElementsLinesTokenSource tokenSource = new CodeElementsLinesTokenSource(
textSourceInfo.Name,
codeElementsLines);
// Init parser
ITokenStream tokenStream = new TokensLinesTokenStream(tokenSource, Token.CHANNEL_SourceTokens);
ProgramClassParser cobolParser = new ProgramClassParser(tokenStream);
// -> activate full ambiguities detection
//parser.Interpreter.PredictionMode = PredictionMode.LlExactAmbigDetection;
// Register all parse errors in a list in memory
DiagnosticSyntaxErrorListener errorListener = new DiagnosticSyntaxErrorListener();
cobolParser.RemoveErrorListeners();
cobolParser.AddErrorListener(errorListener);
// Try to parse a Cobol program or class
ProgramClassParser.CobolCompilationUnitContext codeElementParseTree = cobolParser.cobolCompilationUnit();
// Visit the parse tree to build a first class object representing a Cobol program or class
ParseTreeWalker walker = new ParseTreeWalker();
CobolNodeBuilder programClassBuilder = new CobolNodeBuilder();
programClassBuilder.CustomSymbols = customSymbols;
programClassBuilder.Dispatcher = new NodeDispatcher();
programClassBuilder.Dispatcher.CreateListeners();
walker.Walk(programClassBuilder, codeElementParseTree);
// Register compiler results
newProgram = programClassBuilder.Program;
newClass = programClassBuilder.Class;
diagnostics = errorListener.Diagnostics;
}
public ProgramClassDocument(CodeElementsDocument previousStepSnapshot, int programClassVersion, Program program, Class classObj, IList<ParserDiagnostic> diagnostics)
{
TextSourceInfo = previousStepSnapshot.TextSourceInfo;
PreviousStepSnapshot = previousStepSnapshot;
CurrentVersion = programClassVersion;
Program = program;
Class = classObj;
Diagnostics = diagnostics;
}
internal void Compare(Program program, Class cls, IList<Diagnostic> diagnostics, StreamReader expected)
{
string result = ParserUtils.DumpResult(program, cls, diagnostics);
if (debug) Console.WriteLine("\"" + paths.SamplePath+ "\" result:\n" + result);
ParserUtils.CheckWithResultReader(paths.SamplePath, result, expected);
}