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