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>
/// Gets an attribute from the code.
/// </summary>
/// <param name="parentReference">The parent code unit.</param>
/// <param name="unsafeCode">Indicates whether the attribute lies within an unsafe code block.</param>
/// <returns>Returns the attribute.</returns>
private Attribute GetAttribute(Reference<ICodePart> parentReference, bool unsafeCode)
{
Param.AssertNotNull(parentReference, "parentReference");
Param.Ignore(unsafeCode);
CodeParser attributeParser = new CodeParser(this.parser, this.symbols);
return attributeParser.ParseAttribute(parentReference, unsafeCode, this.document);
}
private Microsoft.StyleCop.CSharp.Attribute GetAttribute(bool unsafeCode)
{
CodeParser parser = new CodeParser(this.parser, this.symbols);
return parser.ParseAttribute(unsafeCode);
}
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;
}
