public override bool ParseFile(SourceCode sourceCode, int passNumber, ref CodeDocument document) { Param.RequireNotNull(sourceCode, "sourceCode"); Param.RequireGreaterThanOrEqualToZero(passNumber, "passNumber"); if (passNumber == 0) { try { using (TextReader reader = sourceCode.Read()) { if (reader == null) { base.AddViolation(sourceCode, 1, Microsoft.StyleCop.CSharp.Rules.FileMustBeReadable, new object[0]); } else { CodeLexer lexer = new CodeLexer(this, sourceCode, new CodeReader(reader)); CodeParser parser = new CodeParser(this, lexer); parser.ParseDocument(); document = parser.Document; } } } catch (SyntaxException exception) { base.AddViolation(exception.SourceCode, exception.LineNumber, Microsoft.StyleCop.CSharp.Rules.SyntaxException, new object[] { exception.Message }); CsDocument document2 = new CsDocument(sourceCode, this); document2.FileHeader = new FileHeader(string.Empty); document = document2; } } return false; }
/// <summary> /// Extracts the body of the given preprocessor directive symbol, parses it, and returns the parsed expression. /// </summary> /// <param name="parser">The C# parser.</param> /// <param name="sourceCode">The source code containing the preprocessor directive symbol.</param> /// <param name="preprocessorSymbol">The preprocessor directive symbol.</param> /// <param name="startIndex">The index of the start of the expression body within the text string.</param> /// <returns>Returns the expression.</returns> internal static Expression GetConditionalPreprocessorBodyExpression( CsParser parser, SourceCode sourceCode, Symbol preprocessorSymbol, int startIndex) { Param.AssertNotNull(parser, "parser"); Param.AssertNotNull(sourceCode, "sourceCode"); Param.AssertNotNull(preprocessorSymbol, "preprocessorSymbol"); Param.AssertGreaterThanOrEqualToZero(startIndex, "startIndex"); Debug.Assert(preprocessorSymbol.SymbolType == SymbolType.PreprocessorDirective, "The symbol is not a preprocessor directive."); string text = preprocessorSymbol.Text.Substring(startIndex, preprocessorSymbol.Text.Length - startIndex).Trim(); if (text.Length > 0) { using (StringReader reader = new StringReader(text)) { // Extract the symbols within this text. CodeLexer lexer = new CodeLexer(parser, sourceCode, new CodeReader(reader)); List<Symbol> symbolList = lexer.GetSymbols(sourceCode, null); SymbolManager directiveSymbols = new SymbolManager(symbolList); CodeParser preprocessorBodyParser = new CodeParser(parser, directiveSymbols); // Parse these symbols to create the body expression. return preprocessorBodyParser.GetNextConditionalPreprocessorExpression(sourceCode); } } // The directive has no body. return null; }
/// <summary> /// Initializes a new instance of the CodeParser class. /// </summary> /// <param name="parser">The C# parser.</param> /// <param name="lexer">The lexer to use for parsing the code.</param> public CodeParser(CsParser parser, CodeLexer lexer) { Param.AssertNotNull(parser, "parser"); Param.AssertNotNull(lexer, "lexer"); this.parser = parser; this.lexer = lexer; }
public CodeParser(CsParser parser, CodeLexer lexer) { this.tokens = new MasterList<CsToken>(); this.parser = parser; this.lexer = lexer; }
internal static Expression GetConditionalPreprocessorBodyExpression(CsParser parser, SourceCode sourceCode, Symbol preprocessorSymbol, int startIndex) { string s = preprocessorSymbol.Text.Substring(startIndex, preprocessorSymbol.Text.Length - startIndex).Trim(); if (s.Length > 0) { StringReader code = new StringReader(s); CodeLexer lexer = new CodeLexer(parser, sourceCode, new CodeReader(code)); SymbolManager symbols = new SymbolManager(lexer.GetSymbols(sourceCode, null)); CodeParser parser2 = new CodeParser(parser, symbols); return parser2.GetNextConditionalPreprocessorExpression(sourceCode); } return null; }
public override bool ParseFile(SourceCode sourceCode, int passNumber, ref CodeDocument document) { Param.RequireNotNull(sourceCode, "sourceCode"); Param.RequireGreaterThanOrEqualToZero(passNumber, "passNumber"); Param.Ignore(document); // The document is parsed on the first pass. On any subsequent passes, we do not do anything. if (passNumber == 0) { try { using (TextReader reader = sourceCode.Read()) { // Create the document. if (reader == null) { this.AddViolation(sourceCode, 1, Rules.FileMustBeReadable); } else { // Create the lexer object for the code string. CodeLexer lexer = new CodeLexer(this, sourceCode, new CodeReader(reader)); // Parse the document. CodeParser parser = new CodeParser(this, lexer); parser.ParseDocument(); document = parser.Document; } } } catch (SyntaxException syntaxex) { this.AddViolation(syntaxex.SourceCode, syntaxex.LineNumber, Rules.SyntaxException, syntaxex.Message); CsDocument csdocument = new CsDocument(sourceCode, this); csdocument.FileHeader = new FileHeader(string.Empty, new CsTokenList(csdocument.Tokens), new Reference<ICodePart>(csdocument)); document = csdocument; } } return false; }