Parser class for OpenMP directive names. More...

#include "llvm/Frontend/OpenMP/DirectiveNameParser.h"

Classes
struct	State

Public Member Functions
LLVM_ABI	DirectiveNameParser (SourceLanguage L=SourceLanguage::C)

const State *	initial () const

LLVM_ABI const State *	consume (const State *Current, StringRef Tok) const

Static Public Member Functions
static LLVM_ABI SmallVector< StringRef >	tokenize (StringRef N)

Detailed Description

Parser class for OpenMP directive names.

It only recognizes names listed in OMP.td, in particular it does not recognize Fortran's end-directives if they are not explicitly listed in OMP.td.

The class itself may be a singleton, once it's constructed it never changes.

Usage: { DirectiveNameParser Parser; // Could be static const.

DirectiveNameParser::State *S = Parser.initial(); for (StringRef Token : Tokens) S = Parser.consume(S, Token); // Passing nullptr is ok.

if (S == nullptr) { // Error: ended up in a state from which there is no possible path // to a successful parse. } else if (S->Value == OMPD_unknown) { // Parsed a sequence of tokens that are not a complete name, but // parsing more tokens could lead to a successful parse. } else { // Success. ParsedId = S->Value; } }

Definition at line 47 of file DirectiveNameParser.h.

Constructor & Destructor Documentation

◆ DirectiveNameParser()

llvm::omp::DirectiveNameParser::DirectiveNameParser ( SourceLanguage L = SourceLanguage::C )

Definition at line 19 of file DirectiveNameParser.cpp.

References D, llvm::omp::getOpenMPVersions(), and I.

Member Function Documentation

◆ consume()

const DirectiveNameParser::State * llvm::omp::DirectiveNameParser::consume	(	const State *	Current,
		StringRef	Tok
	)		const

Definition at line 32 of file DirectiveNameParser.cpp.

References assert().

◆ initial()

const State * llvm::omp::DirectiveNameParser::initial ( ) const

inline

Definition at line 65 of file DirectiveNameParser.h.

◆ tokenize()

SmallVector< StringRef > llvm::omp::DirectiveNameParser::tokenize ( StringRef N )

static

Definition at line 41 of file DirectiveNameParser.cpp.

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

include/llvm/Frontend/OpenMP/DirectiveNameParser.h
lib/Frontend/OpenMP/DirectiveNameParser.cpp

Classes

Public Member Functions