Class to encapsulate the logic for formatting and printing a textual diagnostic message. More...

#include "clang/Frontend/TextDiagnostic.h"

Inheritance diagram for clang::TextDiagnostic:

Classes
struct	StyleRange

Public Member Functions
	TextDiagnostic (raw_ostream &OS, const LangOptions &LangOpts, DiagnosticOptions DiagOpts, const Preprocessor PP=nullptr)

	~TextDiagnostic () override

Public Member Functions inherited from clang::DiagnosticRenderer
void	emitDiagnostic (FullSourceLoc Loc, DiagnosticsEngine::Level Level, StringRef Message, ArrayRef< CharSourceRange > Ranges, ArrayRef< FixItHint > FixItHints, DiagOrStoredDiag D=(Diagnostic *) nullptr)
	Emit a diagnostic.

void	emitStoredDiagnostic (StoredDiagnostic &Diag)

Static Public Member Functions
static void	printDiagnosticLevel (raw_ostream &OS, DiagnosticsEngine::Level Level, bool ShowColors)
	Print the diagonstic level to a raw_ostream.

static void	printDiagnosticMessage (raw_ostream &OS, bool IsSupplemental, StringRef Message, unsigned CurrentColumn, unsigned Columns, bool ShowColors)
	Pretty-print a diagnostic message to a raw_ostream.

Protected Member Functions
void	emitDiagnosticMessage (FullSourceLoc Loc, PresumedLoc PLoc, DiagnosticsEngine::Level Level, StringRef Message, ArrayRef< CharSourceRange > Ranges, DiagOrStoredDiag D) override

void	emitDiagnosticLoc (FullSourceLoc Loc, PresumedLoc PLoc, DiagnosticsEngine::Level Level, ArrayRef< CharSourceRange > Ranges) override
	Print out the file/line/column information and include trace.

void	emitCodeContext (FullSourceLoc Loc, DiagnosticsEngine::Level Level, SmallVectorImpl< CharSourceRange > &Ranges, ArrayRef< FixItHint > Hints) override

void	emitIncludeLocation (FullSourceLoc Loc, PresumedLoc PLoc) override

void	emitImportLocation (FullSourceLoc Loc, PresumedLoc PLoc, StringRef ModuleName) override

void	emitBuildingModuleLocation (FullSourceLoc Loc, PresumedLoc PLoc, StringRef ModuleName) override

Protected Member Functions inherited from clang::DiagnosticRenderer
	DiagnosticRenderer (const LangOptions &LangOpts, DiagnosticOptions *DiagOpts)

virtual	~DiagnosticRenderer ()

virtual void	emitDiagnosticMessage (FullSourceLoc Loc, PresumedLoc PLoc, DiagnosticsEngine::Level Level, StringRef Message, ArrayRef< CharSourceRange > Ranges, DiagOrStoredDiag Info)=0

virtual void	emitDiagnosticLoc (FullSourceLoc Loc, PresumedLoc PLoc, DiagnosticsEngine::Level Level, ArrayRef< CharSourceRange > Ranges)=0

virtual void	emitCodeContext (FullSourceLoc Loc, DiagnosticsEngine::Level Level, SmallVectorImpl< CharSourceRange > &Ranges, ArrayRef< FixItHint > Hints)=0

virtual void	emitIncludeLocation (FullSourceLoc Loc, PresumedLoc PLoc)=0

virtual void	emitImportLocation (FullSourceLoc Loc, PresumedLoc PLoc, StringRef ModuleName)=0

virtual void	emitBuildingModuleLocation (FullSourceLoc Loc, PresumedLoc PLoc, StringRef ModuleName)=0

virtual void	beginDiagnostic (DiagOrStoredDiag D, DiagnosticsEngine::Level Level)

virtual void	endDiagnostic (DiagOrStoredDiag D, DiagnosticsEngine::Level Level)

Additional Inherited Members
Protected Attributes inherited from clang::DiagnosticRenderer
const LangOptions &	LangOpts

IntrusiveRefCntPtr< DiagnosticOptions >	DiagOpts

SourceLocation	LastLoc
	The location of the previous diagnostic if known.

SourceLocation	LastIncludeLoc
	The location of the last include whose stack was printed if known.

DiagnosticsEngine::Level	LastLevel = DiagnosticsEngine::Ignored
	The level of the last diagnostic emitted.

Detailed Description

Class to encapsulate the logic for formatting and printing a textual diagnostic message.

This class provides an interface for building and emitting a textual diagnostic, including all of the macro backtraces, caret diagnostics, FixIt Hints, and code snippets. In the presence of macros this involves a recursive process, synthesizing notes for each macro expansion.

The purpose of this class is to isolate the implementation of printing beautiful text diagnostics from any particular interfaces. The Clang DiagnosticClient is implemented through this class as is diagnostic printing coming out of libclang.

Definition at line 35 of file TextDiagnostic.h.

Constructor & Destructor Documentation

◆ TextDiagnostic()

TextDiagnostic::TextDiagnostic	(	raw_ostream &	OS,
		const LangOptions &	LangOpts,
		DiagnosticOptions *	DiagOpts,
		const Preprocessor *	PP = `nullptr`
	)

Definition at line 656 of file TextDiagnostic.cpp.

◆ ~TextDiagnostic()

TextDiagnostic::~TextDiagnostic ( )

override

Definition at line 661 of file TextDiagnostic.cpp.

Member Function Documentation

◆ emitBuildingModuleLocation()

void TextDiagnostic::emitBuildingModuleLocation	(	FullSourceLoc	Loc,
		PresumedLoc	PLoc,
		StringRef	ModuleName
	)

overrideprotectedvirtual

Implements clang::DiagnosticRenderer.

Definition at line 901 of file TextDiagnostic.cpp.

References clang::DiagnosticRenderer::DiagOpts, clang::PresumedLoc::getFilename(), clang::PresumedLoc::getLine(), and clang::PresumedLoc::isValid().

◆ emitCodeContext()

void clang::TextDiagnostic::emitCodeContext	(	FullSourceLoc	Loc,
		DiagnosticsEngine::Level	Level,
		SmallVectorImpl< CharSourceRange > &	Ranges,
		ArrayRef< FixItHint >	Hints
	)

inlineoverrideprotectedvirtual

Implements clang::DiagnosticRenderer.

Definition at line 94 of file TextDiagnostic.h.

References Loc.

◆ emitDiagnosticLoc()

void TextDiagnostic::emitDiagnosticLoc	(	FullSourceLoc	Loc,
		PresumedLoc	PLoc,
		DiagnosticsEngine::Level	Level,
		ArrayRef< CharSourceRange >	Ranges
	)

overrideprotectedvirtual

Print out the file/line/column information and include trace.

This method handles the emission of the diagnostic location information. This includes extracting as much location information as is present for the diagnostic and printing it, as well as any include stack or source ranges necessary.

Implements clang::DiagnosticRenderer.

Definition at line 784 of file TextDiagnostic.cpp.

References clang::DiagnosticOptions::Clang, clang::DiagnosticRenderer::DiagOpts, E, clang::PresumedLoc::getColumn(), clang::FullSourceLoc::getColumnNumber(), clang::CharSourceRange::getEnd(), clang::PresumedLoc::getFilename(), clang::PresumedLoc::getLine(), clang::FullSourceLoc::getLineNumber(), clang::LangOptions::isCompatibleWithMSVC(), clang::PresumedLoc::isInvalid(), clang::CharSourceRange::isTokenRange(), clang::SourceLocation::isValid(), clang::DiagnosticRenderer::LangOpts, Loc, clang::Lexer::MeasureTokenLength(), clang::DiagnosticOptions::MSVC, clang::LangOptionsBase::MSVC2012, clang::LangOptionsBase::MSVC2015, clang::DiagnosticOptions::SARIF, savedColor, SM, and clang::DiagnosticOptions::Vi.

Referenced by emitDiagnosticMessage().

◆ emitDiagnosticMessage()

void TextDiagnostic::emitDiagnosticMessage	(	FullSourceLoc	Loc,
		PresumedLoc	PLoc,
		DiagnosticsEngine::Level	Level,
		StringRef	Message,
		ArrayRef< CharSourceRange >	Ranges,
		DiagOrStoredDiag	D
	)

overrideprotectedvirtual

Implements clang::DiagnosticRenderer.

Definition at line 663 of file TextDiagnostic.cpp.

References clang::DiagnosticRenderer::DiagOpts, emitDiagnosticLoc(), clang::SourceLocation::isValid(), Loc, clang::DiagnosticsEngine::Note, printDiagnosticLevel(), and printDiagnosticMessage().

◆ emitImportLocation()

void TextDiagnostic::emitImportLocation	(	FullSourceLoc	Loc,
		PresumedLoc	PLoc,
		StringRef	ModuleName
	)

overrideprotectedvirtual

Implements clang::DiagnosticRenderer.

Definition at line 892 of file TextDiagnostic.cpp.

References clang::DiagnosticRenderer::DiagOpts, clang::PresumedLoc::getFilename(), clang::PresumedLoc::getLine(), and clang::PresumedLoc::isValid().

◆ emitIncludeLocation()

void TextDiagnostic::emitIncludeLocation	(	FullSourceLoc	Loc,
		PresumedLoc	PLoc
	)

overrideprotectedvirtual

Implements clang::DiagnosticRenderer.

Definition at line 883 of file TextDiagnostic.cpp.

References clang::DiagnosticRenderer::DiagOpts, clang::PresumedLoc::getFilename(), clang::PresumedLoc::getLine(), clang::PresumedLoc::isValid(), and Loc.

◆ printDiagnosticLevel()

void TextDiagnostic::printDiagnosticLevel	(	raw_ostream &	OS,
		DiagnosticsEngine::Level	Level,
		bool	ShowColors
	)

static

Print the diagonstic level to a raw_ostream.

This is a static helper that handles colorizing the level and formatting it into an arbitrary output stream. This is used internally by the TextDiagnostic emission code, but it can also be used directly by consumers that don't have a source manager or other state that the full TextDiagnostic logic requires.

Definition at line 685 of file TextDiagnostic.cpp.

References clang::DiagnosticsEngine::Error, errorColor, clang::DiagnosticsEngine::Fatal, fatalColor, clang::DiagnosticsEngine::Ignored, clang::DiagnosticsEngine::Note, noteColor, clang::DiagnosticsEngine::Remark, remarkColor, ShowColors, clang::DiagnosticsEngine::Warning, and warningColor.

Referenced by emitDiagnosticMessage(), and clang::TextDiagnosticPrinter::HandleDiagnostic().

◆ printDiagnosticMessage()

void TextDiagnostic::printDiagnosticMessage	(	raw_ostream &	OS,
		bool	IsSupplemental,
		StringRef	Message,
		unsigned	CurrentColumn,
		unsigned	Columns,
		bool	ShowColors
	)

static

Pretty-print a diagnostic message to a raw_ostream.

This is a static helper to handle the line wrapping, colorizing, and rendering of a diagnostic message to a particular ostream. It is publicly visible so that clients which do not have sufficient state to build a complete TextDiagnostic object can still get consistent formatting of their diagnostic messages.

Parameters

OS	Where the message is printed
IsSupplemental	true if this is a continuation note diagnostic
Message	The text actually printed
CurrentColumn	The starting column of the first line, accounting for any prefix.
Columns	The number of columns to use in line-wrapping, 0 disables all line-wrapping.
ShowColors	Enable colorizing of the message.

Definition at line 716 of file TextDiagnostic.cpp.

References applyTemplateHighlighting(), clang::Normal, printWordWrapped(), savedColor, and ShowColors.

Referenced by emitDiagnosticMessage(), and clang::TextDiagnosticPrinter::HandleDiagnostic().

The documentation for this class was generated from the following files:

include/clang/Frontend/TextDiagnostic.h
lib/Frontend/TextDiagnostic.cpp

Classes

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TextDiagnostic()

◆ ~TextDiagnostic()

Member Function Documentation

◆ emitBuildingModuleLocation()

◆ emitCodeContext()

◆ emitDiagnosticLoc()

◆ emitDiagnosticMessage()

◆ emitImportLocation()

◆ emitIncludeLocation()

◆ printDiagnosticLevel()

◆ printDiagnosticMessage()