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/* $XFree86$ */
/*
* Copyright 2002 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <faith@redhat.com>
*
*/
%{
#include "dmxparse.h"
#include "parser.h"
#include <string.h>
#include <ctype.h>
static int getdimension(int token, const char *text, int leng);
static int getstring(int token, const char *text, int leng);
static int gettoken(int token, const char *text, int leng);
static int getcomment(int token, const char *text, int leng);
static int lineno = 1;
%}
%s OTHER
comment #.*
word ([[:alpha:]_/:\-\+\.\*][[:alnum:]_/:\-\+\.\*]+)
string \"(([^\"\n])|\"\")*\"
badstring \"(([^\"\n])|\"\")*
number [[:digit:]x]+
dimension [[:digit:]]+[[:blank:]]*x[[:blank:]]*[[:digit:]]+
offset [+-][[:digit:]]+[[:blank:]]*[+-][[:blank:]]*[[:digit:]]+
origin @[[:blank:]]*[[:digit:]]+[[:blank:]]*[[:blank:]]*x[[:digit:]]+
NL \n
WS [[:blank:]]+
%%
virtual return gettoken(T_VIRTUAL, yytext, yyleng);
display return gettoken(T_DISPLAY, yytext, yyleng);
wall return gettoken(T_WALL, yytext, yyleng);
option return gettoken(T_OPTION, yytext, yyleng);
param return gettoken(T_PARAM, yytext, yyleng);
{dimension} return getdimension(T_DIMENSION, yytext, yyleng);
{offset} return getdimension(T_OFFSET, yytext+1, yyleng-1);
{origin} return getdimension(T_ORIGIN, yytext+1, yyleng-1);
{word} return getstring(T_STRING, yytext, yyleng);
{string} return getstring(T_STRING, yytext+1, yyleng-2);
{NL} ++lineno;
{WS}
\{ return gettoken(yytext[0], yytext, yyleng);
\} return gettoken(yytext[0], yytext, yyleng);
\; return gettoken(yytext[0], yytext, yyleng);
\/ return gettoken(yytext[0], yytext, yyleng);
^{comment} return getcomment(T_LINE_COMMENT, yytext, yyleng);
{comment} return getcomment(T_COMMENT, yytext, yyleng);
. return getstring(T_STRING, yytext, yyleng);
<<EOF>> return 0;
%%
int yywrap(void)
{
return 1;
}
void yyerror(const char *message)
{
const char *pt, *end;
struct _entry {
const char *from;
const char *to;
} *entry, list[] = {
{ "T_VIRTUAL", "\"virtual\"" },
{ "T_DISPLAY", "\"display\"" },
{ "T_WALL", "\"wall\"" },
{ "T_OPTION", "\"option\"" },
{ "T_PARAM", "\"param\"" },
{ "T_DIMENSION", "dimension (e.g., 2x2 or 1024x768)" },
{ "T_OFFSET", "display offset (e.g., +10-10)" },
{ "T_ORIGIN", "tile origin (e.g., @1280x1024)" },
{ "T_STRING", "string" },
{ "T_COMMENT", "comment (e.g., #...)" },
{ "T_LINE_COMMENT", "comment (e.g., #...)" },
{ NULL, NULL }
};
fprintf(stderr, "parse error on line %d at token \"%*.*s\"\n",
lineno, yyleng, yyleng, yytext);
end = message + strlen(message);
for (pt = message; *pt; pt++) {
if (pt[0] == 'T' && pt[1] == '_') {
const char *next = strchr(pt, ' ');
if (!next || !*next) next = strchr(pt, '\0');
if (!next) goto bail;
--next;
if (next-pt == 1 && next[1]
&& next[2] == '\'' && next[3] == '\'') {
fprintf(stderr, "\"%c\"", next[1]);
pt += 4;
goto cnt;
}
for (entry = list; entry->from; ++entry) {
if (!strncmp(entry->from, pt, strlen(entry->from))) {
fprintf(stderr, "%s", entry->to);
pt = next;
goto cnt;
}
}
} else if (end-pt >= 5 && pt[0] == '\'' && pt[1] == '\'' && pt[3]
&& pt[4] == '\'' && pt[5] == '\'') {
fprintf(stderr, "\"%c\"", pt[3]);
pt += 5;
} else if (end-pt >= 3 && pt[0] == '\'' && pt[1] && pt[2] == '\'') {
fprintf(stderr, "\"%c\"", pt[1]);
pt += 3;
}
bail:
putc(*pt, stderr);
cnt:
;
}
fprintf(stderr, "\n");
exit( 1 );
}
static int getdimension(int token, const char *text, int leng)
{
char *endptr;
char *tmp = dmxConfigAlloc(leng+1);
int x, y;
strncpy(tmp, text, leng);
x = strtol(tmp, &endptr, 10);
while (*endptr && !isdigit(*endptr)) ++endptr;
y = strtol(endptr, NULL, 10);
dmxConfigFree(tmp);
yylval.pair = dmxConfigCreatePair(token, lineno, NULL, x, y, 1, 1);
return token;
}
static int getstring(int token, const char *text, int leng)
{
yylval.string = dmxConfigCreateString(token, lineno, NULL,
dmxConfigCopyString(leng ? text : "",
leng));
return token;
}
static int gettoken(int token, const char *text, int leng)
{
yylval.token = dmxConfigCreateToken(token, lineno, NULL);
return token;
}
static int getcomment(int token, const char *text, int leng)
{
yylval.comment = dmxConfigCreateComment(token, lineno,
dmxConfigCopyString(text + 1,
leng - 1));
return token;
}
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