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authorChris Lattner <sabre@nondot.org>2010-11-17 07:26:20 +0000
committerChris Lattner <sabre@nondot.org>2010-11-17 07:26:20 +0000
commitb0607279cb98bbf2bbfe0db170aed39ef91e86a2 (patch)
tree69ceb8b0789f7c17c16d67617d67c966ef367cc5 /lib/Lex/Preprocessor.cpp
parent75072f2093995eb7ae0c0fa03bd439bbe8429d97 (diff)
move getSpelling from Preprocessor to Lexer, which it is more conceptually related to.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119479 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Lex/Preprocessor.cpp')
-rw-r--r--lib/Lex/Preprocessor.cpp110
1 files changed, 0 insertions, 110 deletions
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index e0eb6661d6..0b2e970bda 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -278,116 +278,6 @@ void Preprocessor::CodeCompleteNaturalLanguage() {
CodeComplete->CodeCompleteNaturalLanguage();
}
-//===----------------------------------------------------------------------===//
-// Token Spelling
-//===----------------------------------------------------------------------===//
-
-/// getSpelling() - Return the 'spelling' of this token. The spelling of a
-/// token are the characters used to represent the token in the source file
-/// after trigraph expansion and escaped-newline folding. In particular, this
-/// wants to get the true, uncanonicalized, spelling of things like digraphs
-/// UCNs, etc.
-std::string Preprocessor::getSpelling(const Token &Tok,
- const SourceManager &SourceMgr,
- const LangOptions &Features,
- bool *Invalid) {
- assert((int)Tok.getLength() >= 0 && "Token character range is bogus!");
-
- // If this token contains nothing interesting, return it directly.
- bool CharDataInvalid = false;
- const char* TokStart = SourceMgr.getCharacterData(Tok.getLocation(),
- &CharDataInvalid);
- if (Invalid)
- *Invalid = CharDataInvalid;
- if (CharDataInvalid)
- return std::string();
-
- if (!Tok.needsCleaning())
- return std::string(TokStart, TokStart+Tok.getLength());
-
- std::string Result;
- Result.reserve(Tok.getLength());
-
- // Otherwise, hard case, relex the characters into the string.
- for (const char *Ptr = TokStart, *End = TokStart+Tok.getLength();
- Ptr != End; ) {
- unsigned CharSize;
- Result.push_back(Lexer::getCharAndSizeNoWarn(Ptr, CharSize, Features));
- Ptr += CharSize;
- }
- assert(Result.size() != unsigned(Tok.getLength()) &&
- "NeedsCleaning flag set on something that didn't need cleaning!");
- return Result;
-}
-
-/// getSpelling() - Return the 'spelling' of this token. The spelling of a
-/// token are the characters used to represent the token in the source file
-/// after trigraph expansion and escaped-newline folding. In particular, this
-/// wants to get the true, uncanonicalized, spelling of things like digraphs
-/// UCNs, etc.
-std::string Preprocessor::getSpelling(const Token &Tok, bool *Invalid) const {
- return getSpelling(Tok, SourceMgr, Features, Invalid);
-}
-
-/// getSpelling - This method is used to get the spelling of a token into a
-/// preallocated buffer, instead of as an std::string. The caller is required
-/// to allocate enough space for the token, which is guaranteed to be at least
-/// Tok.getLength() bytes long. The actual length of the token is returned.
-///
-/// Note that this method may do two possible things: it may either fill in
-/// the buffer specified with characters, or it may *change the input pointer*
-/// to point to a constant buffer with the data already in it (avoiding a
-/// copy). The caller is not allowed to modify the returned buffer pointer
-/// if an internal buffer is returned.
-unsigned Preprocessor::getSpelling(const Token &Tok, const char *&Buffer,
- const SourceManager &SourceMgr,
- const LangOptions &Features,
- bool *Invalid) {
- assert((int)Tok.getLength() >= 0 && "Token character range is bogus!");
-
- // If this token is an identifier, just return the string from the identifier
- // table, which is very quick.
- if (const IdentifierInfo *II = Tok.getIdentifierInfo()) {
- Buffer = II->getNameStart();
- return II->getLength();
- }
-
- // Otherwise, compute the start of the token in the input lexer buffer.
- const char *TokStart = 0;
-
- if (Tok.isLiteral())
- TokStart = Tok.getLiteralData();
-
- if (TokStart == 0) {
- bool CharDataInvalid = false;
- TokStart = SourceMgr.getCharacterData(Tok.getLocation(), &CharDataInvalid);
- if (Invalid)
- *Invalid = CharDataInvalid;
- if (CharDataInvalid) {
- Buffer = "";
- return 0;
- }
- }
-
- // If this token contains nothing interesting, return it directly.
- if (!Tok.needsCleaning()) {
- Buffer = TokStart;
- return Tok.getLength();
- }
-
- // Otherwise, hard case, relex the characters into the string.
- char *OutBuf = const_cast<char*>(Buffer);
- for (const char *Ptr = TokStart, *End = TokStart+Tok.getLength();
- Ptr != End; ) {
- unsigned CharSize;
- *OutBuf++ = Lexer::getCharAndSizeNoWarn(Ptr, CharSize, Features);
- Ptr += CharSize;
- }
- assert(unsigned(OutBuf-Buffer) != Tok.getLength() &&
- "NeedsCleaning flag set on something that didn't need cleaning!");
-
- return OutBuf-Buffer;
-}
/// getSpelling - This method is used to get the spelling of a token into a
/// SmallVector. Note that the returned StringRef may not point to the