C++: Store token kind as lexer state

... when needed

Change-Id: I32a1649c87e1fa42da80eff5003b2f5714062064
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
This commit is contained in:
Orgad Shaneh
2014-01-18 19:51:57 +02:00
committed by Orgad Shaneh
parent 25ab1199cd
commit a309b3cfe6
4 changed files with 19 additions and 25 deletions

View File

@@ -32,7 +32,7 @@ using namespace CPlusPlus;
Lexer::Lexer(TranslationUnit *unit)
: _translationUnit(unit),
_control(unit->control()),
_state(State_Default),
_state(T_EOF_SYMBOL),
_flags(0),
_currentLine(1)
{
@@ -44,7 +44,7 @@ Lexer::Lexer(TranslationUnit *unit)
Lexer::Lexer(const char *firstChar, const char *lastChar)
: _translationUnit(0),
_control(0),
_state(State_Default),
_state(T_EOF_SYMBOL),
_flags(0),
_currentLine(1)
{
@@ -145,7 +145,9 @@ void Lexer::scan_helper(Token *tok)
_tokenStart = _currentChar;
tok->offset = _currentChar - _firstChar;
if (_state == State_MultiLineComment || _state == State_MultiLineDoxyComment) {
switch (_state) {
case T_COMMENT:
case T_DOXY_COMMENT: {
const int originalState = _state;
if (! _yychar) {
@@ -160,7 +162,7 @@ void Lexer::scan_helper(Token *tok)
yyinp();
if (_yychar == '/') {
yyinp();
_state = State_Default;
_state = T_EOF_SYMBOL;
break;
}
}
@@ -169,12 +171,10 @@ void Lexer::scan_helper(Token *tok)
if (! f._scanCommentTokens)
goto _Lagain;
else if (originalState == State_MultiLineComment)
tok->f.kind = T_COMMENT;
else
tok->f.kind = T_DOXY_COMMENT;
tok->f.kind = originalState;
return; // done
}
}
if (! _yychar) {
tok->f.kind = T_EOF_SYMBOL;
@@ -374,7 +374,7 @@ void Lexer::scan_helper(Token *tok)
} else if (_yychar == '*') {
yyinp();
bool doxy = false;
Kind commentKind = T_COMMENT;
if (_yychar == '*' || _yychar == '!') {
const char ch = _yychar;
@@ -388,7 +388,7 @@ void Lexer::scan_helper(Token *tok)
yyinp();
if (! _yychar || std::isspace(_yychar))
doxy = true;
commentKind = T_DOXY_COMMENT;
}
while (_yychar) {
@@ -405,12 +405,12 @@ void Lexer::scan_helper(Token *tok)
if (_yychar)
yyinp();
else
_state = doxy ? State_MultiLineDoxyComment : State_MultiLineComment;
_state = commentKind;
if (! f._scanCommentTokens)
goto _Lagain;
tok->f.kind = doxy ? T_DOXY_COMMENT : T_COMMENT;
tok->f.kind = commentKind;
} else if (_yychar == '=') {
yyinp();