mirror of https://github.com/LeOS-GSI/LeOS-Genesis
122 lines
1.9 KiB
Plaintext
122 lines
1.9 KiB
Plaintext
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
%{
|
|
void out(char*t, char*v);
|
|
void lit();
|
|
void tok(char*t);
|
|
void php();
|
|
%}
|
|
|
|
%option stack
|
|
%option yylineno
|
|
%option main
|
|
|
|
%x code
|
|
%x dquote
|
|
%x squote
|
|
|
|
CHAR \n|.
|
|
|
|
ALPHA [a-zA-Z]
|
|
DIGIT [0-9]
|
|
ALNUM {ALPHA}|{DIGIT}
|
|
WORD {ALNUM}|_
|
|
STOP "."
|
|
|
|
SYM {ALPHA}{WORD}*'*
|
|
LIT '.'
|
|
|
|
ESC "\"{CHAR}
|
|
SCHAR [^\']|ESC
|
|
DCHAR [^\"]|ESC
|
|
COM "//"|"#"
|
|
|
|
CC [^*\n]
|
|
CX "*"+{CC}+
|
|
CT "*"+"/"
|
|
BLOCKCMT "/*"({CC}|{CX})*{CT}
|
|
|
|
%x pragma
|
|
|
|
|
|
%%
|
|
|
|
[[:space:]]+ {}
|
|
#.* {}
|
|
|
|
{STOP} out("stop", ".");
|
|
{SYM} tok("sym");
|
|
{LIT} tok("lit");
|
|
"/"{WORD}+ |
|
|
"/$" out("lambda", yytext+1);
|
|
"%"{WORD}+ {
|
|
out("pragma", yytext+1);
|
|
yy_push_state(pragma);
|
|
}
|
|
|
|
<*>"{" {
|
|
lit();
|
|
yy_push_state(code);
|
|
}
|
|
|
|
. lit();
|
|
|
|
|
|
<pragma>{
|
|
\n {
|
|
out("stop", ".");
|
|
yy_pop_state();
|
|
}
|
|
[[:space:]] {}
|
|
{SYM} tok("sym");
|
|
{LIT} tok("lit");
|
|
. lit();
|
|
}
|
|
|
|
<code>{
|
|
"}" {
|
|
lit();
|
|
yy_pop_state();
|
|
}
|
|
'{SCHAR}*' php();
|
|
\"{DCHAR}*\" php();
|
|
{COM}.* php();
|
|
{BLOCKCMT} php();
|
|
[^{}'"#/]+ php();
|
|
. php();
|
|
}
|
|
|
|
%%
|
|
|
|
void lit() {
|
|
char lit[] = "'.'";
|
|
lit[1] = *yytext;
|
|
out(lit, yytext);
|
|
}
|
|
|
|
void tok(char*t) {
|
|
out(t, yytext);
|
|
}
|
|
|
|
void php() {
|
|
out("php", yytext);
|
|
}
|
|
|
|
void out(char*type, char*value) {
|
|
printf("%d\001%s\001%s", yylineno, type, value);
|
|
fputc(0, stdout);
|
|
}
|