Commit 2d9da518 authored by Roberto Raggi's avatar Roberto Raggi
Browse files

Fixed possible crash in the QtScript parser.

parent 9fc41bc8
......@@ -428,7 +428,7 @@ bool JavaScriptParser::parse(JavaScriptEnginePrivate *driver)
_Lcheck_token:
if (yytoken == -1 && -TERMINAL_COUNT != action_index[action]) {
yyprevlloc = yylloc;
yyprevlloc = yylloc;
if (first_token == last_token) {
yytoken = lexer->lex();
......@@ -2119,7 +2119,12 @@ PropertyNameAndValueListOpt: PropertyNameAndValueList ;
token_buffer[1].loc = yylloc = location(lexer);
if (t_action(errorState, yytoken)) {
const QString msg = QString::fromUtf8("Removed token: `%1'").arg(spell[token_buffer[0].token]);
QString msg = QString::fromUtf8("Removed token");
if (const char *tokenSpell = spell[token_buffer[0].token]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
......@@ -2149,7 +2154,12 @@ PropertyNameAndValueListOpt: PropertyNameAndValueList ;
for (int *tk = tokens; *tk != EOF_SYMBOL; ++tk) {
int a = t_action(errorState, *tk);
if (a > 0 && t_action(a, yytoken)) {
const QString msg = QString::fromUtf8("Inserted token: `%1'").arg(spell[*tk]);
QString msg = QString::fromUtf8("Inserted token");
if (const char *tokenSpell = spell[*tk]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
......@@ -2169,7 +2179,13 @@ PropertyNameAndValueListOpt: PropertyNameAndValueList ;
for (int tk = 1; tk < TERMINAL_COUNT; ++tk) {
int a = t_action(errorState, tk);
if (a > 0 && t_action(a, yytoken)) {
const QString msg = QString::fromUtf8("Inserted token: `%1'").arg(spell[tk]);
QString msg = QString::fromUtf8("Inserted token");
if (const char *tokenSpell = spell[tk]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
......@@ -2182,7 +2198,13 @@ PropertyNameAndValueListOpt: PropertyNameAndValueList ;
}
}
const QString msg = QString::fromUtf8("Unexpected token: `%1'").arg(spell[token_buffer[0].token]);
QString msg = QString::fromUtf8("Unexpected token");
if (const char *tokenSpell = spell[token_buffer[0].token]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
}
......
// This file was generated by qlalr - DO NOT EDIT!
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_LICENSE$
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include "javascriptgrammar_p.h"
const char *const JavaScriptGrammar::spell [] = {
......
......@@ -132,7 +132,7 @@ bool JavaScriptParser::parse(JavaScriptEnginePrivate *driver)
_Lcheck_token:
if (yytoken == -1 && -TERMINAL_COUNT != action_index[action]) {
yyprevlloc = yylloc;
yyprevlloc = yylloc;
if (first_token == last_token) {
yytoken = lexer->lex();
......@@ -1123,7 +1123,12 @@ case 266: {
token_buffer[1].loc = yylloc = location(lexer);
if (t_action(errorState, yytoken)) {
const QString msg = QString::fromUtf8("Removed token: `%1'").arg(spell[token_buffer[0].token]);
QString msg = QString::fromUtf8("Removed token");
if (const char *tokenSpell = spell[token_buffer[0].token]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
......@@ -1153,7 +1158,12 @@ case 266: {
for (int *tk = tokens; *tk != EOF_SYMBOL; ++tk) {
int a = t_action(errorState, *tk);
if (a > 0 && t_action(a, yytoken)) {
const QString msg = QString::fromUtf8("Inserted token: `%1'").arg(spell[*tk]);
QString msg = QString::fromUtf8("Inserted token");
if (const char *tokenSpell = spell[*tk]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
......@@ -1173,7 +1183,13 @@ case 266: {
for (int tk = 1; tk < TERMINAL_COUNT; ++tk) {
int a = t_action(errorState, tk);
if (a > 0 && t_action(a, yytoken)) {
const QString msg = QString::fromUtf8("Inserted token: `%1'").arg(spell[tk]);
QString msg = QString::fromUtf8("Inserted token");
if (const char *tokenSpell = spell[tk]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
......@@ -1186,7 +1202,13 @@ case 266: {
}
}
const QString msg = QString::fromUtf8("Unexpected token: `%1'").arg(spell[token_buffer[0].token]);
QString msg = QString::fromUtf8("Unexpected token");
if (const char *tokenSpell = spell[token_buffer[0].token]) {
msg += QLatin1String(": `");
msg += QLatin1String(tokenSpell);
msg += QLatin1Char('\'');
}
diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error,
token_buffer[0].loc.startLine, token_buffer[0].loc.startColumn, msg));
}
......
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