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LLVM
3.7.0
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This owns the files read by a parser, handles include stacks, and handles diagnostic wrangling. More...
#include <SourceMgr.h>
Public Types | |
| enum | DiagKind { DK_Error, DK_Warning, DK_Note } |
| typedef void(* | DiagHandlerTy )(const SMDiagnostic &, void *Context) |
| Clients that want to handle their own diagnostics in a custom way can register a function pointer+context as a diagnostic handler. More... | |
Public Member Functions | |
| SourceMgr () | |
| ~SourceMgr () | |
| void | setIncludeDirs (const std::vector< std::string > &Dirs) |
| void | setDiagHandler (DiagHandlerTy DH, void *Ctx=nullptr) |
| Specify a diagnostic handler to be invoked every time PrintMessage is called. More... | |
| DiagHandlerTy | getDiagHandler () const |
| void * | getDiagContext () const |
| const SrcBuffer & | getBufferInfo (unsigned i) const |
| const MemoryBuffer * | getMemoryBuffer (unsigned i) const |
| unsigned | getNumBuffers () const |
| unsigned | getMainFileID () const |
| SMLoc | getParentIncludeLoc (unsigned i) const |
| unsigned | AddNewSourceBuffer (std::unique_ptr< MemoryBuffer > F, SMLoc IncludeLoc) |
| Add a new source buffer to this source manager. More... | |
| unsigned | AddIncludeFile (const std::string &Filename, SMLoc IncludeLoc, std::string &IncludedFile) |
| Search for a file with the specified name in the current directory or in one of the IncludeDirs. More... | |
| unsigned | FindBufferContainingLoc (SMLoc Loc) const |
| Return the ID of the buffer containing the specified location. More... | |
| unsigned | FindLineNumber (SMLoc Loc, unsigned BufferID=0) const |
| Find the line number for the specified location in the specified file. More... | |
| std::pair< unsigned, unsigned > | getLineAndColumn (SMLoc Loc, unsigned BufferID=0) const |
| Find the line and column number for the specified location in the specified file. More... | |
| void | PrintMessage (raw_ostream &OS, SMLoc Loc, DiagKind Kind, const Twine &Msg, ArrayRef< SMRange > Ranges=None, ArrayRef< SMFixIt > FixIts=None, bool ShowColors=true) const |
| Emit a message about the specified location with the specified string. More... | |
| void | PrintMessage (SMLoc Loc, DiagKind Kind, const Twine &Msg, ArrayRef< SMRange > Ranges=None, ArrayRef< SMFixIt > FixIts=None, bool ShowColors=true) const |
| Emits a diagnostic to llvm::errs(). More... | |
| void | PrintMessage (raw_ostream &OS, const SMDiagnostic &Diagnostic, bool ShowColors=true) const |
| Emits a manually-constructed diagnostic to the given output stream. More... | |
| SMDiagnostic | GetMessage (SMLoc Loc, DiagKind Kind, const Twine &Msg, ArrayRef< SMRange > Ranges=None, ArrayRef< SMFixIt > FixIts=None) const |
| Return an SMDiagnostic at the specified location with the specified string. More... | |
| void | PrintIncludeStack (SMLoc IncludeLoc, raw_ostream &OS) const |
| Prints the names of included files and the line of the file they were included from. More... | |
This owns the files read by a parser, handles include stacks, and handles diagnostic wrangling.
Definition at line 35 of file SourceMgr.h.
| typedef void(* llvm::SourceMgr::DiagHandlerTy)(const SMDiagnostic &, void *Context) |
Clients that want to handle their own diagnostics in a custom way can register a function pointer+context as a diagnostic handler.
It gets called each time PrintMessage is invoked.
Definition at line 46 of file SourceMgr.h.
| Enumerator | |
|---|---|
| DK_Error | |
| DK_Warning | |
| DK_Note | |
Definition at line 37 of file SourceMgr.h.
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inline |
Definition at line 79 of file SourceMgr.h.
| SourceMgr::~SourceMgr | ( | ) |
Definition at line 39 of file SourceMgr.cpp.
References getCache().
| unsigned SourceMgr::AddIncludeFile | ( | const std::string & | Filename, |
| SMLoc | IncludeLoc, | ||
| std::string & | IncludedFile | ||
| ) |
Search for a file with the specified name in the current directory or in one of the IncludeDirs.
If no file is found, this returns 0, otherwise it returns the buffer ID of the stacked file. The full path to the included file can be found in IncludedFile.
Definition at line 45 of file SourceMgr.cpp.
References AddNewSourceBuffer(), llvm::StringRef::data(), llvm::sys::path::get_separator(), and llvm::MemoryBuffer::getFile().
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Add a new source buffer to this source manager.
This takes ownership of the memory buffer.
Definition at line 123 of file SourceMgr.h.
Referenced by AddIncludeFile(), llvm::object::IRObjectFile::IRObjectFile(), llvm::MIRParserImpl::MIRParserImpl(), llvm::parseAssemblyInto(), and llvm::TableGenMain().
Return the ID of the buffer containing the specified location.
0 is returned if the buffer is not found.
Definition at line 66 of file SourceMgr.cpp.
References llvm::SMLoc::getPointer().
Referenced by getLineAndColumn(), GetMessage(), llvm::MCGenDwarfLabelEntry::Make(), PrintIncludeStack(), and PrintMessage().
Find the line number for the specified location in the specified file.
This is not a fast method.
Definition at line 148 of file SourceMgr.h.
References getLineAndColumn().
Referenced by llvm::MCGenDwarfLabelEntry::Make(), and PrintIncludeStack().
Definition at line 97 of file SourceMgr.h.
Referenced by PrintIncludeStack(), and PrintMessage().
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Definition at line 95 of file SourceMgr.h.
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Definition at line 94 of file SourceMgr.h.
| std::pair< unsigned, unsigned > SourceMgr::getLineAndColumn | ( | SMLoc | Loc, |
| unsigned | BufferID = 0 |
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| ) | const |
Find the line and column number for the specified location in the specified file.
This is not a fast method.
Definition at line 77 of file SourceMgr.cpp.
References llvm::StringRef::find_last_of(), FindBufferContainingLoc(), llvm::MemoryBuffer::getBufferStart(), getCache(), llvm::SMLoc::getFromPointer(), getMemoryBuffer(), llvm::SMLoc::getPointer(), and llvm::StringRef::npos.
Referenced by FindLineNumber(), and GetMessage().
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Definition at line 111 of file SourceMgr.h.
References getNumBuffers().
Referenced by llvm::MCContext::MCContext(), llvm::MIRParserImpl::parse(), and llvm::TGLexer::TGLexer().
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Definition at line 102 of file SourceMgr.h.
Referenced by getLineAndColumn(), GetMessage(), llvm::MCContext::MCContext(), llvm::MIRParserImpl::parse(), and llvm::TGLexer::TGLexer().
| SMDiagnostic SourceMgr::GetMessage | ( | SMLoc | Loc, |
| SourceMgr::DiagKind | Kind, | ||
| const Twine & | Msg, | ||
| ArrayRef< SMRange > | Ranges = None, |
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| ArrayRef< SMFixIt > | FixIts = None |
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| ) | const |
Return an SMDiagnostic at the specified location with the specified string.
| Msg | If non-null, the kind of message (e.g., "error") which is prefixed to the message. |
Definition at line 135 of file SourceMgr.cpp.
References llvm::SMRange::End, FindBufferContainingLoc(), llvm::MemoryBuffer::getBufferEnd(), llvm::MemoryBuffer::getBufferIdentifier(), llvm::MemoryBuffer::getBufferStart(), llvm::SMLoc::getFromPointer(), getLineAndColumn(), getMemoryBuffer(), llvm::SMLoc::getPointer(), llvm::SMLoc::isValid(), llvm::SMRange::isValid(), llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back(), llvm::ArrayRef< T >::size(), llvm::SMRange::Start, and llvm::Twine::str().
Referenced by llvm::LLLexer::Error(), llvm::MIRParserImpl::error(), and PrintMessage().
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Definition at line 107 of file SourceMgr.h.
Referenced by getMainFileID(), and llvm::MCContext::MCContext().
Definition at line 116 of file SourceMgr.h.
| void SourceMgr::PrintIncludeStack | ( | SMLoc | IncludeLoc, |
| raw_ostream & | OS | ||
| ) | const |
Prints the names of included files and the line of the file they were included from.
A diagnostic handler can use this before printing its custom formatted message.
| IncludeLoc | The location of the include. |
| OS | the raw_ostream to print on. |
Definition at line 121 of file SourceMgr.cpp.
References FindBufferContainingLoc(), FindLineNumber(), and getBufferInfo().
Referenced by PrintMessage().
| void SourceMgr::PrintMessage | ( | raw_ostream & | OS, |
| SMLoc | Loc, | ||
| SourceMgr::DiagKind | Kind, | ||
| const Twine & | Msg, | ||
| ArrayRef< SMRange > | Ranges = None, |
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| ArrayRef< SMFixIt > | FixIts = None, |
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| bool | ShowColors = true |
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| ) | const |
Emit a message about the specified location with the specified string.
| ShowColors | Display colored messages if output is a terminal and the default error handler is used. |
Definition at line 215 of file SourceMgr.cpp.
References GetMessage().
Referenced by llvm::PrintError(), llvm::yaml::Scanner::printError(), llvm::PrintMessage(), PrintMessage(), llvm::PrintWarning(), llvm::MCContext::reportFatalError(), and llvm::LLLexer::Warning().
| void SourceMgr::PrintMessage | ( | SMLoc | Loc, |
| SourceMgr::DiagKind | Kind, | ||
| const Twine & | Msg, | ||
| ArrayRef< SMRange > | Ranges = None, |
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| ArrayRef< SMFixIt > | FixIts = None, |
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| bool | ShowColors = true |
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| ) | const |
Emits a diagnostic to llvm::errs().
Definition at line 222 of file SourceMgr.cpp.
References llvm::errs(), and PrintMessage().
| void SourceMgr::PrintMessage | ( | raw_ostream & | OS, |
| const SMDiagnostic & | Diagnostic, | ||
| bool | ShowColors = true |
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| ) | const |
Emits a manually-constructed diagnostic to the given output stream.
| ShowColors | Display colored messages if output is a terminal and the default error handler is used. |
Definition at line 198 of file SourceMgr.cpp.
References FindBufferContainingLoc(), getBufferInfo(), llvm::SMDiagnostic::getLoc(), llvm::SMLoc::isValid(), llvm::SMDiagnostic::print(), and PrintIncludeStack().
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Specify a diagnostic handler to be invoked every time PrintMessage is called.
Ctx is passed into the handler when it is invoked.
Definition at line 89 of file SourceMgr.h.
References llvm::DH.
Referenced by llvm::yaml::Input::Input().
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inline |
Definition at line 83 of file SourceMgr.h.
Referenced by llvm::TableGenMain().
1.8.6