/// <summary>
/// Gets and converts preprocessor directive.
/// </summary>
/// <param name="preprocessorSymbol">The preprocessor symbol.</param>
/// <param name="parent">The parent code part.</param>
/// <param name="generated">Indicates whether the preprocessor directive lies within a block of generated code.</param>
/// <returns>Returns the preprocessor directive.</returns>
private Preprocessor GetPreprocessorDirectiveToken(Symbol preprocessorSymbol, Reference<ICodePart> parent, bool generated)
{
Param.AssertNotNull(preprocessorSymbol, "preprocessorSymbol");
Param.AssertNotNull(parent, "parent");
Param.Ignore(generated);
Debug.Assert(preprocessorSymbol != null && preprocessorSymbol.SymbolType == SymbolType.PreprocessorDirective, "Expected a preprocessor directive");
// Get the type of the preprocessor directive.
int bodyIndex;
string type = CsParser.GetPreprocessorDirectiveType(preprocessorSymbol, out bodyIndex);
if (type == null)
{
throw new SyntaxException(this.document.SourceCode, preprocessorSymbol.LineNumber);
}
// Create the correct preprocessor object type.
Preprocessor preprocessor = null;
if (type == "region")
{
Region region = new Region(preprocessorSymbol.Text, preprocessorSymbol.Location, parent, true, generated);
this.symbols.PushRegion(region);
preprocessor = region;
}
else if (type == "endregion")
{
Region endregion = new Region(preprocessorSymbol.Text, preprocessorSymbol.Location, parent, false, generated);
Region startregion = this.symbols.PopRegion();
if (startregion == null)
{
throw new SyntaxException(this.document.SourceCode, preprocessorSymbol.LineNumber);
}
startregion.Partner = endregion;
endregion.Partner = startregion;
preprocessor = endregion;
}
else if (type == "if")
{
preprocessor = this.GetConditionalCompilationDirective(
preprocessorSymbol, ConditionalCompilationDirectiveType.If, bodyIndex, parent, generated);
}
else if (type == "elif")
{
preprocessor = this.GetConditionalCompilationDirective(
preprocessorSymbol, ConditionalCompilationDirectiveType.Elif, bodyIndex, parent, generated);
}
else if (type == "else")
{
preprocessor = this.GetConditionalCompilationDirective(
preprocessorSymbol, ConditionalCompilationDirectiveType.Else, bodyIndex, parent, generated);
}
else if (type == "endif")
{
preprocessor = this.GetConditionalCompilationDirective(
preprocessorSymbol, ConditionalCompilationDirectiveType.Endif, bodyIndex, parent, generated);
}
else
{
preprocessor = new Preprocessor(preprocessorSymbol.Text, preprocessorSymbol.Location, parent, generated);
}
return preprocessor;
}
/// <summary>
/// Pushes a region onto the region stack.
/// </summary>
/// <param name="region">The region to add.</param>
public void PushRegion(Region region)
{
Param.AssertNotNull(region, "region");
this.regions.Push(region);
if (region.IsGeneratedCodeRegion)
{
this.IncrementGeneratedCodeBlocks();
}
}
private Preprocessor GetPreprocessorDirectiveToken(Symbol preprocessorSymbol, bool generated)
{
int num;
string preprocessorDirectiveType = CsParser.GetPreprocessorDirectiveType(preprocessorSymbol, out num);
if (preprocessorDirectiveType == null)
{
throw new SyntaxException(this.document.SourceCode, preprocessorSymbol.LineNumber);
}
switch (preprocessorDirectiveType)
{
case "region":
{
Region region = new Region(preprocessorSymbol.Text, preprocessorSymbol.Location, true, generated);
this.symbols.PushRegion(region);
return region;
}
case "endregion":
{
Region region2 = new Region(preprocessorSymbol.Text, preprocessorSymbol.Location, false, generated);
Region region3 = this.symbols.PopRegion();
if (region3 == null)
{
throw new SyntaxException(this.document.SourceCode, preprocessorSymbol.LineNumber);
}
region3.Partner = region2;
region2.Partner = region3;
return region2;
}
case "if":
return this.GetConditionalCompilationDirective(preprocessorSymbol, ConditionalCompilationDirectiveType.If, num, generated);
case "elif":
return this.GetConditionalCompilationDirective(preprocessorSymbol, ConditionalCompilationDirectiveType.Elif, num, generated);
case "else":
return this.GetConditionalCompilationDirective(preprocessorSymbol, ConditionalCompilationDirectiveType.Else, num, generated);
case "endif":
return this.GetConditionalCompilationDirective(preprocessorSymbol, ConditionalCompilationDirectiveType.Endif, num, generated);
}
return new Preprocessor(preprocessorSymbol.Text, preprocessorSymbol.Location, generated);
}
public void PushRegion(Region region)
{
this.regions.Push(region);
if (region.IsGeneratedCodeRegion)
{
this.IncrementGeneratedCodeBlocks();
}
}