DependencyDirectivesScanner.cpp File Reference

This is the interface for scanning header and source files to get the minimum necessary preprocessor directives for evaluating includes. More...

#include "clang/Lex/DependencyDirectivesScanner.h"
#include "clang/Basic/CharInfo.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Lex/LexDiagnostic.h"
#include "clang/Lex/Lexer.h"
#include "clang/Lex/Pragma.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringSwitch.h"
#include <optional>

Go to the source code of this file.

Functions
static void	skipOverSpaces (const char *&First, const char *const End)
static char	previousChar (const char *First, const char *&Current)
static bool	isRawStringLiteral (const char *First, const char *Current)
static void	skipRawString (const char *&First, const char *const End)
static unsigned	isEOL (const char *First, const char *const End)
static void	skipString (const char *&First, const char *const End)
static unsigned	skipNewline (const char *&First, const char *End)
static void	skipToNewlineRaw (const char *&First, const char *const End)
static void	skipLineComment (const char *&First, const char *const End)
static void	skipBlockComment (const char *&First, const char *const End)
static bool	isQuoteCppDigitSeparator (const char *const Start, const char *const Cur, const char *const End)
static void	skipWhitespace (const char *&First, const char *const End)
static bool	isStartOfRelevantLine (char First)
static bool	isStartWithPreprocessedModuleDirective (const char *First, const char *End)
static void	skipUTF8ByteOrderMark (const char *&First, const char *const End)
static void	skipUntilMaybeCXX20ModuleDirective (const char *&First, const char *const End)

Detailed Description

This is the interface for scanning header and source files to get the minimum necessary preprocessor directives for evaluating includes.

It reduces the source down to #define, #include, #import, @import, and any conditional preprocessor logic that contains one of those.

Definition in file DependencyDirectivesScanner.cpp.

Function Documentation

isEOL()

unsigned isEOL ( const char * First, const char *const End )

static

Definition at line 308 of file DependencyDirectivesScanner.cpp.

References clang::First, and clang::isVerticalWhitespace().

Referenced by clang::isPreprocessedModuleFile(), skipNewline(), skipString(), skipToNewlineRaw(), and skipUntilMaybeCXX20ModuleDirective().

isQuoteCppDigitSeparator()

bool isQuoteCppDigitSeparator ( const char *const Start, const char *const Cur, const char *const End )

static

Returns

True if the current single quotation mark character is a C++14 digit separator.

Definition at line 404 of file DependencyDirectivesScanner.cpp.

References clang::isAsciiIdentifierContinue(), and clang::isPreprocessingNumberBody().

isRawStringLiteral()

bool isRawStringLiteral ( const char * First, const char * Current )

staticnodiscard

Definition at line 238 of file DependencyDirectivesScanner.cpp.

References clang::First, clang::isAsciiIdentifierContinue(), and previousChar().

isStartOfRelevantLine()

bool isStartOfRelevantLine ( char First )

static

Definition at line 905 of file DependencyDirectivesScanner.cpp.

References clang::First.

isStartWithPreprocessedModuleDirective()

bool isStartWithPreprocessedModuleDirective ( const char * First, const char * End )

inlinestatic

Definition at line 918 of file DependencyDirectivesScanner.cpp.

References clang::First, and clang::tok::getPPKeywordSpelling().

Referenced by clang::isPreprocessedModuleFile().

previousChar()

char previousChar ( const char * First, const char *& Current )

static

Definition at line 215 of file DependencyDirectivesScanner.cpp.

References clang::First, clang::Lexer::getEscapedNewLineSize(), and clang::isVerticalWhitespace().

Referenced by isRawStringLiteral().

skipBlockComment()

void skipBlockComment ( const char *& First, const char *const End )

static

Definition at line 389 of file DependencyDirectivesScanner.cpp.

References clang::First.

Referenced by skipWhitespace().

skipLineComment()

void skipLineComment ( const char *& First, const char *const End )

static

Definition at line 383 of file DependencyDirectivesScanner.cpp.

References clang::First, and skipToNewlineRaw().

Referenced by skipWhitespace().

skipNewline()

unsigned skipNewline ( const char *& First, const char * End )

static

Definition at line 347 of file DependencyDirectivesScanner.cpp.

References clang::First, isEOL(), and clang::isVerticalWhitespace().

Referenced by skipWhitespace().

skipOverSpaces()

void skipOverSpaces ( const char *& First, const char *const End )

static

Definition at line 209 of file DependencyDirectivesScanner.cpp.

References clang::First, and clang::isHorizontalWhitespace().

Referenced by skipString(), and skipWhitespace().

skipRawString()

void skipRawString ( const char *& First, const char *const End )

static

Definition at line 266 of file DependencyDirectivesScanner.cpp.

References clang::First, and clang::Last.

skipString()

void skipString ( const char *& First, const char *const End )

static

Definition at line 317 of file DependencyDirectivesScanner.cpp.

References clang::First, isEOL(), clang::isVerticalWhitespace(), clang::isWhitespace(), and skipOverSpaces().

skipToNewlineRaw()

void skipToNewlineRaw ( const char *& First, const char *const End )

static

Definition at line 357 of file DependencyDirectivesScanner.cpp.

References clang::First, isEOL(), and clang::isHorizontalWhitespace().

Referenced by clang::isPreprocessedModuleFile(), skipLineComment(), and skipUntilMaybeCXX20ModuleDirective().

skipUntilMaybeCXX20ModuleDirective()

void skipUntilMaybeCXX20ModuleDirective ( const char *& First, const char *const End )

static

Definition at line 1124 of file DependencyDirectivesScanner.cpp.

References clang::First, isEOL(), skipToNewlineRaw(), and skipWhitespace().

Referenced by clang::isPreprocessedModuleFile(), and clang::scanInputForCXX20ModulesUsage().

skipUTF8ByteOrderMark()

void skipUTF8ByteOrderMark ( const char *& First, const char *const End )

static

Definition at line 1041 of file DependencyDirectivesScanner.cpp.

References clang::First.

skipWhitespace()

void skipWhitespace ( const char *& First, const char *const End )

static

Definition at line 509 of file DependencyDirectivesScanner.cpp.

References clang::First, clang::isHorizontalWhitespace(), clang::isVerticalWhitespace(), skipBlockComment(), skipLineComment(), skipNewline(), and skipOverSpaces().