Commit 68552b8f authored by Roberto Raggi's avatar Roberto Raggi
Browse files

Added fast lookup of objc type qualifiers.

parent ad5bdf69
/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#include "ObjectiveCTypeQualifiers.h"
CPLUSPLUS_BEGIN_NAMESPACE
static inline int classify2(const char *s) {
if (s[0] == 'i') {
if (s[1] == 'n') {
return Token_in;
}
}
return Token_identifier;
}
static inline int classify3(const char *s) {
if (s[0] == 'o') {
if (s[1] == 'u') {
if (s[2] == 't') {
return Token_out;
}
}
}
return Token_identifier;
}
static inline int classify5(const char *s) {
if (s[0] == 'b') {
if (s[1] == 'y') {
if (s[2] == 'r') {
if (s[3] == 'e') {
if (s[4] == 'f') {
return Token_byref;
}
}
}
}
}
else if (s[0] == 'i') {
if (s[1] == 'n') {
if (s[2] == 'o') {
if (s[3] == 'u') {
if (s[4] == 't') {
return Token_inout;
}
}
}
}
}
return Token_identifier;
}
static inline int classify6(const char *s) {
if (s[0] == 'b') {
if (s[1] == 'y') {
if (s[2] == 'c') {
if (s[3] == 'o') {
if (s[4] == 'p') {
if (s[5] == 'y') {
return Token_bycopy;
}
}
}
}
}
}
else if (s[0] == 'o') {
if (s[1] == 'n') {
if (s[2] == 'e') {
if (s[3] == 'w') {
if (s[4] == 'a') {
if (s[5] == 'y') {
return Token_oneway;
}
}
}
}
}
}
return Token_identifier;
}
int classifyObjectiveCTypeQualifiers(const char *s, int n) {
switch (n) {
case 2: return classify2(s);
case 3: return classify3(s);
case 5: return classify5(s);
case 6: return classify6(s);
default: return Token_identifier;
} // switch
}
CPLUSPLUS_END_NAMESPACE
/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#ifndef CPLUSPLUS_OBJC_TYPEQUALIFIERS_H
#define CPLUSPLUS_OBJC_TYPEQUALIFIERS_H
#include "CPlusPlusForwardDeclarations.h"
CPLUSPLUS_BEGIN_HEADER
CPLUSPLUS_BEGIN_NAMESPACE
enum {
Token_in,
Token_out,
Token_byref,
Token_inout,
Token_bycopy,
Token_oneway,
Token_identifier
};
CPLUSPLUS_EXPORT int classifyObjectiveCTypeQualifiers(const char *s, int n);
CPLUSPLUS_END_NAMESPACE
CPLUSPLUS_END_HEADER
#endif // CPLUSPLUS_OBJC_TYPEQUALIFIERS_H
......@@ -56,6 +56,7 @@
#include "Control.h"
#include "AST.h"
#include "Literals.h"
#include "ObjectiveCTypeQualifiers.h"
#include <cstdlib>
#include <cstring>
#include <cassert>
......@@ -4043,16 +4044,11 @@ bool Parser::parseObjCTypeQualifiers()
return false;
Identifier *id = tok().identifier;
if (! strcmp("in", id->chars()) ||
! strcmp("out", id->chars()) ||
! strcmp("inout", id->chars()) ||
! strcmp("bycopy", id->chars()) ||
! strcmp("byref", id->chars()) ||
! strcmp("oneway", id->chars())) {
consumeToken();
return true;
}
return false;
const int k = classifyObjectiveCTypeQualifiers(id->chars(), id->size());
if (k == Token_identifier)
return false;
consumeToken();
return true;
}
// objc-end: T_AT_END
......
......@@ -36,8 +36,8 @@ HEADERS += \
$$PWD/TranslationUnit.h \
$$PWD/Type.h \
$$PWD/TypeVisitor.h \
$$PWD/PrettyPrinter.h
$$PWD/PrettyPrinter.h \
$$PWD/ObjectiveCTypeQualifiers.h
SOURCES += \
$$PWD/AST.cpp \
......@@ -55,6 +55,7 @@ SOURCES += \
$$PWD/FullySpecifiedType.cpp \
$$PWD/Keywords.cpp \
$$PWD/ObjectiveCAtKeywords.cpp \
$$PWD/ObjectiveCTypeQualifiers.cpp \
$$PWD/Lexer.cpp \
$$PWD/LiteralTable.cpp \
$$PWD/Literals.cpp \
......
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