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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of jom.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
%option 8bit nounistd batch
%option warn
/*%option nodefault*/
%option outfile="ppexpr-lex.inc"
/*%option header-file="ppexpr-lex.h"*/
%{
#define YY_DECL int PPExprParser::yylex()
#define ECHO
#define YY_SKIP_YYWRAP
#define fileno _fileno
static int isatty (int)
{
return 0;
}
static int yywrap()
{
return 1;
}
%}
%x STATE_STRING
%x STATE_DEFINED
%x STATE_EXIST
%x STATE_SHELLCOMMAND
%%
[ \t]+ /* eat whitespace */
[0-9]+ {
yylval.num = atoi(yytext);
return T_NUMBER;
}
\r?\n return T_LINEFEED;
"&&" return T_BOOL_AND;
"||" return T_BOOL_OR;
"&" return T_BIT_AND;
"|" return T_BIT_OR;
"!=" return T_NOT_EQUAL;
"==" return T_EQUAL;
"<" return T_LESS_THAN;
">" return T_GREATER_THAN;
"<=" return T_EQUAL_OR_LESS_THAN;
">=" return T_EQUAL_OR_GREATER_THAN;
"<<" return T_SHIFT_LEFT;
">>" return T_SHIFT_RIGHT;
"+" return T_PLUS;
"-" return T_MINUS;
"*" return T_MULT;
"/" return T_DIV;
"%" return T_MOD;
"~" return T_BIT_NOT;
"!" return T_BOOL_NOT;
"(" return T_LEFT_PAREN;
")" return T_RIGHT_PAREN;
\" {
BEGIN(STATE_STRING);
yylval.str = new QByteArray();
}
"[" {
BEGIN(STATE_SHELLCOMMAND);
yylval.str = new QByteArray();
}
(?i:DEFINED) BEGIN(STATE_DEFINED);
(?i:EXIST) BEGIN(STATE_EXIST);
<STATE_DEFINED>{
[:blank:]+ /* eat whitespace */
"(".+")" {
BEGIN(INITIAL);
QByteArray macroName(yytext);
int idx = macroName.indexOf('(');
macroName.remove(0, idx + 1);
idx = macroName.lastIndexOf(')');
macroName.truncate(idx);
macroName = macroName.trimmed();
if (macroName.startsWith('\"'))
macroName.remove(0, 1);
if (macroName.endsWith('\"'))
macroName.chop(1);
yylval.num = m_macroTable->isMacroDefined(QString::fromLatin1(macroName.constData())) ? 1 : 0;
return T_NUMBER;
}
}
<STATE_EXIST>{
[:blank:]+ /* eat whitespace */
"(".+")" {
BEGIN(INITIAL);
QByteArray fileName(yytext);
int idx = fileName.indexOf('(');
fileName.remove(0, idx + 1);
idx = fileName.lastIndexOf(')');
fileName.truncate(idx);
fileName = fileName.trimmed();
if (fileName.startsWith('\"'))
fileName.remove(0, 1);
if (fileName.endsWith('\"'))
fileName.chop(1);
yylval.num = QFile::exists(QString::fromLatin1(fileName.constData())) ? 1 : 0;
return T_NUMBER;
}
}
"EXIST"[:blank:]*"(".*")" {
QByteArray fileName(yytext);
int idx = fileName.indexOf('(');
fileName.remove(0, idx + 1);
idx = fileName.lastIndexOf(')');
fileName.truncate(idx);
fileName = fileName.trimmed();
if (fileName.startsWith('\"'))
fileName.remove(0, 1);
if (fileName.endsWith('\"'))
fileName.chop(1);
yylval.num = QFile::exists(QString::fromLatin1(fileName.constData())) ? 1 : 0;
return T_NUMBER;
}
<STATE_STRING>{
[^\n\"]+ yylval.str->append(yytext, static_cast<int>(yyleng));
\"\" yylval.str->append('\"');
\" {
BEGIN(INITIAL);
return T_STRING;
}
}
<STATE_SHELLCOMMAND>{
[^\n\x5b\x5d\x5e]+ yylval.str->append(yytext, static_cast<int>(yyleng));
"^[" yylval.str->append('[');
"^]" yylval.str->append(']');
"]" {
BEGIN(INITIAL);
int exitCode = system(yylval.str->data());
delete yylval.str;
yylval.num = exitCode;
return T_NUMBER;
}
}
%%
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