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Showing content from https://clang.llvm.org/doxygen/RewriteMacros_8cpp_source.html below:

clang: lib/Frontend/Rewrite/RewriteMacros.cpp Source File

;

llvm::RewriteBuffer;

&CurTok,

ReturnComment) {

assert(CurTok < RawTokens.size() &&

);

(!ReturnComment && RawTokens[CurTok].is(tok::comment))

RawTokens[CurTok++];

std::vector<Token> &RawTokens) {

llvm::MemoryBufferRef FromFile =

.getBufferOrFake(

.getMainFileID());

(RawTok.

(tok::raw_identifier))

RawTokens.push_back(RawTok);

}

(RawTok.

(tok::eof));

RewriteBuffer &RB =

.getEditBuffer(

.getMainFileID());

std::vector<Token> RawTokens;

CurRawTok = 0;

(RawTok.

(tok::eof) || PPTok.

(tok::eof)) {

(!

.isWrittenInMainFile(PPLoc)) {

(RawTokens[CurRawTok].is(tok::identifier)) {

*II = RawTokens[CurRawTok].getIdentifierInfo();

(II->

() ==

) {

RB.InsertTextAfter(

.getFileOffset(RawTok.

()),

);

}

(II->

() ==

&&

RawTokens[CurRawTok+1].is(tok::identifier) &&

(RawTokens[CurRawTok+1].getIdentifierInfo()->getName() ==

RB.InsertTextAfter(

.getFileOffset(RawTok.

()),

);

PPOffs =

.getFileOffset(PPLoc);

RawOffs =

.getFileOffset(RawTok.

());

(PPOffs == RawOffs &&

(RawTok, PPTok)) {

(RawOffs <= PPOffs) {

RB.InsertTextAfter(RawOffs, &

[HasSpace]);

(RawTok.

(tok::comment)) {

(PPOffs != RawOffs || !

(RawTok, PPTok)));

RB.InsertTextBefore(EndPos,

);

InsertPos = PPOffs;

std::string Expansion;

(PPOffs < RawOffs) {

PPOffs =

.getFileOffset(PPLoc);

RB.InsertTextBefore(InsertPos, Expansion);

(

RewriteBuffer *RewriteBuf =

.getRewriteBufferFor(

.getMainFileID())) {

*OS << std::string(RewriteBuf->begin(), RewriteBuf->end());

fprintf(stderr,

);

Defines the clang::Preprocessor interface.

static bool isSameToken(Token &RawTok, Token &PPTok)

isSameToken - Return true if the two specified tokens start have the same content.

static const Token & GetNextRawTok(const std::vector< Token > &RawTokens, unsigned &CurTok, bool ReturnComment)

GetNextRawTok - Return the next raw token in the stream, skipping over comments if ReturnComment is f...

static void LexRawTokensFromMainFile(Preprocessor &PP, std::vector< Token > &RawTokens)

LexRawTokensFromMainFile - Lets all the raw tokens from the main file into the specified vector.

Defines the SourceManager interface.

One of these records is kept for each identifier that is lexed.

StringRef getName() const

Return the actual identifier string.

Lexer - This provides a simple interface that turns a text buffer into a stream of tokens.

bool LexFromRawLexer(Token &Result)

LexFromRawLexer - Lex a token from a designated raw lexer (one with no associated preprocessor object...

void SetCommentRetentionState(bool Mode)

SetCommentRetentionMode - Change the comment retention mode of the lexer to the specified mode.

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

IdentifierInfo * LookUpIdentifierInfo(Token &Identifier) const

Given a tok::raw_identifier token, look up the identifier information for the token and install it in...

void Lex(Token &Result)

Lex the next token for this preprocessor.

void EnterMainSourceFile()

Enter the specified FileID as the main source file, which implicitly adds the builtin defines etc.

SourceManager & getSourceManager() const

StringRef getSpelling(SourceLocation loc, SmallVectorImpl< char > &buffer, bool *invalid=nullptr) const

Return the 'spelling' of the token at the given location; does not go up to the spelling location or ...

const LangOptions & getLangOpts() const

Rewriter - This is the main interface to the rewrite buffers.

Encodes a location in the source.

This class handles loading and caching of source files into memory.

Token - This structure provides full information about a lexed token.

IdentifierInfo * getIdentifierInfo() const

SourceLocation getLocation() const

Return a source location identifier for the specified offset in the current file.

unsigned getLength() const

bool is(tok::TokenKind K) const

is/isNot - Predicates to check if this token is a specific kind, as in "if (Tok.is(tok::l_brace)) {....

tok::TokenKind getKind() const

bool isAtStartOfLine() const

isAtStartOfLine - Return true if this token is at the start of a line.

bool hasLeadingSpace() const

Return true if this token has whitespace before it.

bool isNot(tok::TokenKind K) const

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

@ Rewrite

We are substituting template parameters for (typically) other template parameters in order to rewrite...

void RewriteMacrosInInput(Preprocessor &PP, raw_ostream *OS)

RewriteMacrosInInput - Implement -rewrite-macros mode.

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