From 81cac3cc49c5ea7817cc04479d706d426f528bc0 Mon Sep 17 00:00:00 2001 From: Roberto Raggi Date: Fri, 18 Sep 2009 11:14:54 +0200 Subject: Introduced BackwardsScanner::LA(n). LA(n) returns the n-th lookhead token. --- src/libs/cplusplus/BackwardsScanner.cpp | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'src/libs/cplusplus/BackwardsScanner.cpp') diff --git a/src/libs/cplusplus/BackwardsScanner.cpp b/src/libs/cplusplus/BackwardsScanner.cpp index 07c4688757..b0b71ffecd 100644 --- a/src/libs/cplusplus/BackwardsScanner.cpp +++ b/src/libs/cplusplus/BackwardsScanner.cpp @@ -45,6 +45,8 @@ BackwardsScanner::BackwardsScanner(const QTextCursor &cursor, const QString &suf _text += suffix; _tokens.append(_tokenize(_text, previousBlockState(_block))); + + _startToken = _tokens.size(); } int BackwardsScanner::state() const @@ -53,8 +55,11 @@ int BackwardsScanner::state() const const QList &BackwardsScanner::tokens() const { return _tokens; } -const SimpleToken &BackwardsScanner::operator[](int i) const -{ return const_cast(this)->fetchToken(i); } +const SimpleToken &BackwardsScanner::LA(int index) const +{ return const_cast(this)->fetchToken(_startToken - index); } + +const SimpleToken &BackwardsScanner::operator[](int index) const +{ return const_cast(this)->fetchToken(index); } const SimpleToken &BackwardsScanner::fetchToken(int i) { @@ -89,7 +94,7 @@ const SimpleToken &BackwardsScanner::fetchToken(int i) } int BackwardsScanner::startToken() const -{ return _tokens.size(); } +{ return _startToken; } int BackwardsScanner::startPosition() const { return _block.position(); } -- cgit v1.2.1