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Rename Preprocessor::DisableBacktrack -> Preprocessor::CommitBacktrackedTokens. 

llvm-svn: 55281
This commit is contained in:
Argyrios Kyrtzidis 2008-08-24 12:29:43 +00:00
parent 0a854b5308
commit 75b34536d0
2 changed files with 20 additions and 20 deletions
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20
clang/include/clang/Lex/Preprocessor.h
View File

@ -277,22 +277,22 @@ public:
void RemoveTopOfLexerStack();
/// EnableBacktrackAtThisPos - From the point that this method is called, and
/// until DisableBacktrack() or Backtrack() is called, the Preprocessor keeps
/// track of the lexed tokens so that a subsequent Backtrack() call will make
/// the Preprocessor re-lex the same tokens.
/// until CommitBacktrackedTokens() or Backtrack() is called, the Preprocessor
/// keeps track of the lexed tokens so that a subsequent Backtrack() call will
/// make the Preprocessor re-lex the same tokens.
///
/// Nested backtracks are allowed, meaning that EnableBacktrackAtThisPos can
/// be called multiple times and DisableBacktrack/Backtrack calls will be
/// combined with the EnableBacktrackAtThisPos calls in reverse order.
/// be called multiple times and CommitBacktrackedTokens/Backtrack calls will
/// be combined with the EnableBacktrackAtThisPos calls in reverse order.
///
/// NOTE: *DO NOT* forget to call either DisableBacktrack() or Backtrack() at
/// some point after EnableBacktrackAtThisPos. If you don't, caching of tokens
/// will continue indefinitely.
/// NOTE: *DO NOT* forget to call either CommitBacktrackedTokens or Backtrack
/// at some point after EnableBacktrackAtThisPos. If you don't, caching of
/// tokens will continue indefinitely.
///
void EnableBacktrackAtThisPos();
/// DisableBacktrack - Disable the last EnableBacktrackAtThisPos() call.
void DisableBacktrack();
/// CommitBacktrackedTokens - Disable the last EnableBacktrackAtThisPos call.
void CommitBacktrackedTokens();
/// Backtrack - Make Preprocessor re-lex the tokens that were lexed since
/// EnableBacktrackAtThisPos() was previously called.

20
clang/lib/Lex/PPCaching.cpp
View File

@ -15,22 +15,22 @@
#include "clang/Lex/Preprocessor.h"
using namespace clang;
/// EnableBacktrackAtThisPos - From the point that this method is called, and
/// until DisableBacktrack() or Backtrack() is called, the Preprocessor keeps
/// track of the lexed tokens so that a subsequent Backtrack() call will make
/// the Preprocessor re-lex the same tokens.
///
/// Nested backtracks are allowed, meaning that EnableBacktrackAtThisPos can
/// be called multiple times and DisableBacktrack/Backtrack calls will be
/// combined with the EnableBacktrackAtThisPos calls in reverse order.
/// EnableBacktrackAtThisPos - From the point that this method is called, and
/// until CommitBacktrackedTokens() or Backtrack() is called, the Preprocessor
/// keeps track of the lexed tokens so that a subsequent Backtrack() call will
/// make the Preprocessor re-lex the same tokens.
///
/// Nested backtracks are allowed, meaning that EnableBacktrackAtThisPos can
/// be called multiple times and CommitBacktrackedTokens/Backtrack calls will
/// be combined with the EnableBacktrackAtThisPos calls in reverse order.
void Preprocessor::EnableBacktrackAtThisPos() {
CacheTokens = true;
BacktrackPositions.push_back(CachedLexPos);
EnterCachingLexMode();
}
/// DisableBacktrack - Disable the last EnableBacktrackAtThisPos() call.
void Preprocessor::DisableBacktrack() {
/// CommitBacktrackedTokens - Disable the last EnableBacktrackAtThisPos call.
void Preprocessor::CommitBacktrackedTokens() {
assert(!BacktrackPositions.empty()
&& "EnableBacktrackAtThisPos was not called!");
BacktrackPositions.pop_back();