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Showing content from https://clang.llvm.org/doxygen/Frontend_2Utils_8h_source.html below:

clang: include/clang/Frontend/Utils.h Source File

13#ifndef LLVM_CLANG_FRONTEND_UTILS_H 14#define LLVM_CLANG_FRONTEND_UTILS_H 20#include "llvm/ADT/ArrayRef.h" 21#include "llvm/ADT/IntrusiveRefCntPtr.h" 22#include "llvm/ADT/StringMap.h" 23#include "llvm/ADT/StringRef.h" 24#include "llvm/ADT/StringSet.h" 25#include "llvm/Support/FileCollector.h" 26#include "llvm/Support/VirtualFileSystem.h" 30#include <system_error> 37class

CompilerInstance;

38class

CompilerInvocation;

39class

DiagnosticsEngine;

40class

ExternalSemaSource;

42class

PCHContainerReader;

44class

PreprocessorOptions;

45class

PreprocessorOutputOptions;

51 const

PCHContainerReader &PCHContainerRdr,

52 const

FrontendOptions &FEOpts,

53 const

CodeGenOptions &CodeGenOpts);

57 const

PreprocessorOutputOptions &Opts);

76 bool

IsSystem,

bool

IsModuleFile,

bool

IsMissing);

87 bool

IsSystem,

bool

IsModuleFile,

96

llvm::StringSet<> Seen;

97

std::vector<std::string> Dependencies;

115 bool

IsModuleFile,

bool

IsMissing)

final

;

123

std::string OutputFile;

124

std::vector<std::string> Targets;

125 bool

IncludeSystemHeaders;

127 bool

AddMissingHeaderDeps;

128 bool

SeenMissingHeader;

129 bool

IncludeModuleFiles;

131 unsigned

InputFileIndex;

138 bool

HasErrors =

false

;

139

llvm::StringSet<> Seen;

140

llvm::vfs::YAMLVFSWriter VFSWriter;

141

llvm::FileCollector::PathCanonicalizer Canonicalizer;

143

std::error_code copyToRoot(StringRef Src, StringRef Dst = {});

147

: DestDir(

std

::move(DestDir)) {}

155

VFSWriter.addFileMapping(VPath, RPath);

183 const

DependencyOutputOptions &DepOpts,

184 bool

ShowAllHeaders =

false

,

185

StringRef OutputPath = {},

186 bool

ShowDepth =

true

,

bool

MSStyle =

false

);

190

IntrusiveRefCntPtr<ExternalSemaSource>

192

IntrusiveRefCntPtr<ExternalSemaSource> &Reader);

214

std::vector<std::string> *

CC1Args

=

nullptr

;

235

std::unique_ptr<CompilerInvocation>

Defines the Diagnostic-related interfaces.

Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified.

Reads an AST files chain containing the contents of a translation unit.

An interface for collecting the dependencies of a compilation.

virtual void maybeAddDependency(StringRef Filename, bool FromModule, bool IsSystem, bool IsModuleFile, bool IsMissing)

Add a dependency Filename if it has not been seen before and sawDependency() returns true.

bool addDependency(StringRef Filename)

Return true if the filename was added to the list of dependencies, false otherwise.

virtual void attachToPreprocessor(Preprocessor &PP)

ArrayRef< std::string > getDependencies() const

virtual void finishedMainFile(DiagnosticsEngine &Diags)

Called when the end of the main file is reached.

virtual void attachToASTReader(ASTReader &R)

virtual ~DependencyCollector()

virtual bool needSystemDependencies()

Return true if system files should be passed to sawDependency().

virtual bool sawDependency(StringRef Filename, bool FromModule, bool IsSystem, bool IsModuleFile, bool IsMissing)

Called when a new file is seen.

Builds a dependency file when attached to a Preprocessor (for includes) and ASTReader (for module imp...

void outputDependencyFile(llvm::raw_ostream &OS)

void attachToPreprocessor(Preprocessor &PP) override

void finishedMainFile(DiagnosticsEngine &Diags) override

Called when the end of the main file is reached.

bool needSystemDependencies() final

Return true if system files should be passed to sawDependency().

bool sawDependency(StringRef Filename, bool FromModule, bool IsSystem, bool IsModuleFile, bool IsMissing) final

Called when a new file is seen.

DependencyOutputOptions - Options for controlling the compiler dependency file generation.

Concrete class used by the front-end to report problems and issues.

Collects the dependencies for imported modules into a directory.

void attachToASTReader(ASTReader &R) override

~ModuleDependencyCollector() override

virtual void addFileMapping(StringRef VPath, StringRef RPath)

void attachToPreprocessor(Preprocessor &PP) override

virtual void addFile(StringRef Filename, StringRef FileDst={})

virtual bool insertSeen(StringRef Filename)

virtual void writeFileMap()

ModuleDependencyCollector(std::string DestDir)

Engages in a tight little dance with the lexer to efficiently preprocess tokens.

The JSON file list parser is used to communicate input to InstallAPI.

void InitializePreprocessor(Preprocessor &PP, const PreprocessorOptions &PPOpts, const PCHContainerReader &PCHContainerRdr, const FrontendOptions &FEOpts, const CodeGenOptions &CodeGenOpts)

InitializePreprocessor - Initialize the preprocessor getting it and the environment ready to process ...

IntrusiveRefCntPtr< ExternalSemaSource > createChainedIncludesSource(CompilerInstance &CI, IntrusiveRefCntPtr< ExternalSemaSource > &Reader)

The ChainedIncludesSource class converts headers to chained PCHs in memory, mainly for testing.

std::unique_ptr< CompilerInvocation > createInvocation(ArrayRef< const char * > Args, CreateInvocationOptions Opts={})

Interpret clang arguments in preparation to parse a file.

void DoPrintPreprocessedInput(Preprocessor &PP, raw_ostream *OS, const PreprocessorOutputOptions &Opts)

DoPrintPreprocessedInput - Implement -E mode.

DependencyOutputFormat

DependencyOutputFormat - Format for the compiler dependency file.

void AttachHeaderIncludeGen(Preprocessor &PP, const DependencyOutputOptions &DepOpts, bool ShowAllHeaders=false, StringRef OutputPath={}, bool ShowDepth=true, bool MSStyle=false)

AttachHeaderIncludeGen - Create a header include list generator, and attach it to the given preproces...

void AttachDependencyGraphGen(Preprocessor &PP, StringRef OutputFile, StringRef SysRoot)

AttachDependencyGraphGen - Create a dependency graph generator, and attach it to the given preprocess...

Optional inputs to createInvocation.

IntrusiveRefCntPtr< DiagnosticsEngine > Diags

Receives diagnostics encountered while parsing command-line flags.

bool ProbePrecompiled

Allow the driver to probe the filesystem for PCH files.

bool RecoverOnError

Whether to attempt to produce a non-null (possibly incorrect) invocation if any errors were encounter...

IntrusiveRefCntPtr< llvm::vfs::FileSystem > VFS

Used e.g.

std::vector< std::string > * CC1Args

If set, the target is populated with the cc1 args produced by the driver.


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