Loyc.Syntax.LineRemapper Class Reference

A small helper class for languages such as C# and C++ that permit the locations reported by error messages to be remapped. This class stores and applies such commands (#line in C#/C++) More...

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Source file:

• /Core/Loyc.Syntax/SourceFiles/LineRemapper.cs

Remarks

A small helper class for languages such as C# and C++ that permit the locations reported by error messages to be remapped. This class stores and applies such commands (#line in C#/C++)

This is part of SourceFileWithLineRemaps. One LineRemapper should be created per real source file.

Public Member Functions
void	AddRemap (int realLine, int reportLine, string reportFileName=null)
	Adds a mapping that starts on the specified real line. More...
void	EndRemap (int realLine)
	Corresponds to #line default in C#. More...
bool	Remap (ref int line, ref string fileName)
	Remaps the specified line number, if a remapping has been created that applies to it. More...

Member Function Documentation

AddRemap()

void Loyc.Syntax.LineRemapper.AddRemap ( int  realLine, int  reportLine, string  reportFileName = null  )

inline

Adds a mapping that starts on the specified real line.

In C++ and C#, a directive like "#line 200" affects the line after the preprocessor directive. So if "#line 200" is on line 10, you'd call AddRemap(11, 200) or possibly AddRemap(10, 199).

EndRemap()

void Loyc.Syntax.LineRemapper.EndRemap ( int  realLine )

inline

Corresponds to #line default in C#.

Remap()

bool Loyc.Syntax.LineRemapper.Remap ( ref int  line, ref string  fileName  )

inline

Remaps the specified line number, if a remapping has been created that applies to it.

Parameters

line	On entry, a real line number. On exit, a remapped line number
fileName	This is changed to the user-specified file name string, if and only if a file-name remapping exists and applies here.

Returns

true if a remapping exists and was applied, false if not.

References Loyc.Collections.BDictionary< K, V >.FindUpperBound().

Referenced by Loyc.Syntax.SourceFileWithLineRemaps.IndexToLine().