SimpleLexer.cpp 3.41 KiB
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#include "SimpleLexer.h"
#include <Lexer.h>
#include <Token.h>
#include <QtDebug>
using namespace CPlusPlus;
bool SimpleToken::isLiteral() const
{
return _kind >= T_FIRST_LITERAL && _kind <= T_LAST_LITERAL;
}
bool SimpleToken::isOperator() const
{
return _kind >= T_FIRST_OPERATOR && _kind <= T_LAST_OPERATOR;
}
bool SimpleToken::isKeyword() const
{
return _kind >= T_FIRST_KEYWORD && _kind < T_FIRST_QT_KEYWORD;
}
SimpleLexer::SimpleLexer()
: _lastState(0),
_skipComments(false),
_qtMocRunEnabled(true)
{ }
SimpleLexer::~SimpleLexer()
{ }
bool SimpleLexer::qtMocRunEnabled() const
{
return _qtMocRunEnabled;
}
void SimpleLexer::setQtMocRunEnabled(bool enabled)
{
_qtMocRunEnabled = enabled;
}
bool SimpleLexer::skipComments() const
{
return _skipComments;
}
void SimpleLexer::setSkipComments(bool skipComments)
{
_skipComments = skipComments;
}
QList<SimpleToken> SimpleLexer::operator()(const QString &text, int state)
{
QList<SimpleToken> tokens;
const QByteArray bytes = text.toLatin1();
const char *firstChar = bytes.constData();
const char *lastChar = firstChar + bytes.size();
Lexer lex(firstChar, lastChar);
lex.setQtMocRunEnabled(_qtMocRunEnabled);
if (! _skipComments)
lex.setScanCommentTokens(true);
if (state != -1)
lex.setState(state & 0xff);
bool inPreproc = false;
for (;;) {
Token tk;
lex(&tk);
if (tk.is(T_EOF_SYMBOL))
break;
SimpleToken simpleTk;
simpleTk._kind = int(tk.kind);
simpleTk._position = int(lex.tokenOffset());
simpleTk._length = int(lex.tokenLength());
simpleTk._text = text.midRef(simpleTk._position, simpleTk._length);
lex.setScanAngleStringLiteralTokens(false);
if (tk.newline && tk.is(T_POUND))
inPreproc = true;
else if (inPreproc && tokens.size() == 1 && simpleTk.is(T_IDENTIFIER) &&
simpleTk.text() == QLatin1String("include"))
lex.setScanAngleStringLiteralTokens(true);
tokens.append(simpleTk);
}
_lastState = lex.state();
return tokens;
}