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gstreamer/android/gst/parse/grammar.tab.c

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Add build system for Android
2010-12-03 15:44:23 +00:00
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* A Bison parser, made by GNU Bison 1.875d. */
/* Skeleton parser for Yacc-like parsing with Bison,
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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, 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 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. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
/* Written by Richard Stallman by simplifying the original so called
``semantic'' parser. */
/* All symbols defined below should begin with yy or YY, to avoid
infringing on user name space. This should be done even for local
variables, as they might otherwise be expanded by user macros.
There are some unavoidable exceptions within include files to
define necessary library symbols; they are noted "INFRINGES ON
USER NAME SPACE" below. */
/* Identify Bison output. */
#define YYBISON 1
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
/* Pure parsers. */
#define YYPURE 1
/* Using locations. */
#define YYLSP_NEEDED 0
/* If NAME_PREFIX is specified substitute the variables and functions
names. */
#define yyparse _gst_parse_yyparse
#define yylex _gst_parse_yylex
#define yyerror _gst_parse_yyerror
#define yylval _gst_parse_yylval
#define yychar _gst_parse_yychar
#define yydebug _gst_parse_yydebug
#define yynerrs _gst_parse_yynerrs
/* Tokens. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
/* Put the tokens into the symbol table, so that GDB and other debuggers
know about them. */
enum yytokentype
{
PARSE_URL = 258,
IDENTIFIER = 259,
BINREF = 260,
PADREF = 261,
REF = 262,
ASSIGNMENT = 263,
LINK = 264
};
#endif
#define PARSE_URL 258
#define IDENTIFIER 259
#define BINREF 260
#define PADREF 261
#define REF 262
#define ASSIGNMENT 263
#define LINK 264
/* Copy the first part of user declarations. */
#line 1 "./grammar.y"
#include "../gst_private.h"
#include <glib-object.h>
#include <glib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "../gst-i18n-lib.h"
#include "../gstconfig.h"
#include "../gstparse.h"
#include "../gstinfo.h"
#include "../gsterror.h"
#include "../gststructure.h"
#include "../gsturi.h"
#include "../gstutils.h"
#include "../gstvalue.h"
#include "../gstchildproxy.h"
#include "types.h"
/* All error messages in this file are user-visible and need to be translated.
* Don't start the message with a capital, and don't end them with a period,
* as they will be presented inside a sentence/error.
*/
#define YYERROR_VERBOSE 1
#define YYLEX_PARAM scanner
typedef void *yyscan_t;
int _gst_parse_yylex (void *yylval_param, yyscan_t yyscanner);
int _gst_parse_yylex_init (yyscan_t scanner);
int _gst_parse_yylex_destroy (yyscan_t scanner);
struct yy_buffer_state *_gst_parse_yy_scan_string (char *, yyscan_t);
void _gst_parse_yypush_buffer_state (void *new_buffer, yyscan_t yyscanner);
void _gst_parse_yypop_buffer_state (yyscan_t yyscanner);
#ifdef __GST_PARSE_TRACE
static guint __strings;
static guint __links;
static guint __chains;
gchar *
__gst_parse_strdup (gchar * org)
{
gchar *ret;
__strings++;
ret = g_strdup (org);
/* g_print ("ALLOCATED STR (%3u): %p %s\n", __strings, ret, ret); */
return ret;
}
void
__gst_parse_strfree (gchar * str)
{
if (str) {
/* g_print ("FREEING STR (%3u): %p %s\n", __strings - 1, str, str); */
g_free (str);
g_return_if_fail (__strings > 0);
__strings--;
}
}
link_t *
__gst_parse_link_new ()
{
link_t *ret;
__links++;
ret = g_slice_new0 (link_t);
/* g_print ("ALLOCATED LINK (%3u): %p\n", __links, ret); */
return ret;
}
void
__gst_parse_link_free (link_t * data)
{
if (data) {
/* g_print ("FREEING LINK (%3u): %p\n", __links - 1, data); */
g_slice_free (link_t, data);
g_return_if_fail (__links > 0);
__links--;
}
}
chain_t *
__gst_parse_chain_new ()
{
chain_t *ret;
__chains++;
ret = g_slice_new0 (chain_t);
/* g_print ("ALLOCATED CHAIN (%3u): %p\n", __chains, ret); */
return ret;
}
void
__gst_parse_chain_free (chain_t * data)
{
/* g_print ("FREEING CHAIN (%3u): %p\n", __chains - 1, data); */
g_slice_free (chain_t, data);
g_return_if_fail (__chains > 0);
__chains--;
}
#endif /* __GST_PARSE_TRACE */
typedef struct
{
gchar *src_pad;
gchar *sink_pad;
GstElement *sink;
GstCaps *caps;
gulong signal_id;
} DelayedLink;
typedef struct
{
GstElement *parent;
gchar *name;
gchar *value_str;
gulong signal_id;
} DelayedSet;
/*** define SET_ERROR macro/function */
#ifdef G_HAVE_ISO_VARARGS
# define SET_ERROR(error, type, ...) \
G_STMT_START { \
GST_CAT_ERROR (GST_CAT_PIPELINE, __VA_ARGS__); \
if ((error) && !*(error)) { \
g_set_error ((error), GST_PARSE_ERROR, (type), __VA_ARGS__); \
} \
} G_STMT_END
#elif defined(G_HAVE_GNUC_VARARGS)
# define SET_ERROR(error, type, args...) \
G_STMT_START { \
GST_CAT_ERROR (GST_CAT_PIPELINE, args ); \
if ((error) && !*(error)) { \
g_set_error ((error), GST_PARSE_ERROR, (type), args ); \
} \
} G_STMT_END
#else
static inline void
SET_ERROR (GError ** error, gint type, const char *format, ...)
{
if (error) {
if (*error) {
g_warning ("error while parsing");
} else {
va_list varargs;
char *string;
va_start (varargs, format);
string = g_strdup_vprintf (format, varargs);
va_end (varargs);
g_set_error (error, GST_PARSE_ERROR, type, string);
g_free (string);
}
}
}
#endif /* G_HAVE_ISO_VARARGS */
/*** define YYPRINTF macro/function if we're debugging */
/* bison 1.35 calls this macro with side effects, we need to make sure the
side effects work - crappy bison */
#ifndef GST_DISABLE_GST_DEBUG
# define YYDEBUG 1
# ifdef G_HAVE_ISO_VARARGS
/* # define YYFPRINTF(a, ...) GST_CAT_DEBUG (GST_CAT_PIPELINE, __VA_ARGS__) */
# define YYFPRINTF(a, ...) \
G_STMT_START { \
GST_CAT_LOG (GST_CAT_PIPELINE, __VA_ARGS__); \
} G_STMT_END
# elif defined(G_HAVE_GNUC_VARARGS)
# define YYFPRINTF(a, args...) \
G_STMT_START { \
GST_CAT_LOG (GST_CAT_PIPELINE, args); \
} G_STMT_END
# else
static inline void
YYPRINTF (const char *format, ...)
{
va_list varargs;
gchar *temp;
va_start (varargs, format);
temp = g_strdup_vprintf (format, varargs);
GST_CAT_LOG (GST_CAT_PIPELINE, "%s", temp);
g_free (temp);
va_end (varargs);
}
# endif /* G_HAVE_ISO_VARARGS */
#endif /* GST_DISABLE_GST_DEBUG */
#define ADD_MISSING_ELEMENT(graph,name) G_STMT_START { \
if ((graph)->ctx) { \
(graph)->ctx->missing_elements = \
g_list_append ((graph)->ctx->missing_elements, g_strdup (name)); \
} } G_STMT_END
#define GST_BIN_MAKE(res, type, chainval, assign, free_string) \
G_STMT_START { \
chain_t *chain = chainval; \
GSList *walk; \
GstBin *bin = (GstBin *) gst_element_factory_make (type, NULL); \
if (!chain) { \
SET_ERROR (graph->error, GST_PARSE_ERROR_EMPTY_BIN, \
_("specified empty bin \"%s\", not allowed"), type); \
g_slist_foreach (assign, (GFunc) gst_parse_strfree, NULL); \
g_slist_free (assign); \
gst_object_unref (bin); \
if (free_string) \
gst_parse_strfree (type); /* Need to clean up the string */ \
YYERROR; \
} else if (!bin) { \
ADD_MISSING_ELEMENT(graph, type); \
SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT, \
_("no bin \"%s\", skipping"), type); \
g_slist_foreach (assign, (GFunc) gst_parse_strfree, NULL); \
g_slist_free (assign); \
res = chain; \
} else { \
for (walk = chain->elements; walk; walk = walk->next ) \
gst_bin_add (bin, GST_ELEMENT (walk->data)); \
g_slist_free (chain->elements); \
chain->elements = g_slist_prepend (NULL, bin); \
res = chain; \
/* set the properties now */ \
for (walk = assign; walk; walk = walk->next) \
gst_parse_element_set ((gchar *) walk->data, GST_ELEMENT (bin), graph); \
g_slist_free (assign); \
} \
} G_STMT_END
#define MAKE_LINK(link, _src, _src_name, _src_pads, _sink, _sink_name, _sink_pads) \
G_STMT_START { \
link = gst_parse_link_new (); \
link->src = _src; \
link->sink = _sink; \
link->src_name = _src_name; \
link->sink_name = _sink_name; \
link->src_pads = _src_pads; \
link->sink_pads = _sink_pads; \
link->caps = NULL; \
} G_STMT_END
#define MAKE_REF(link, _src, _pads) \
G_STMT_START { \
gchar *padname = _src; \
GSList *pads = _pads; \
if (padname) { \
while (*padname != '.') padname++; \
*padname = '\0'; \
padname++; \
if (*padname != '\0') \
pads = g_slist_prepend (pads, gst_parse_strdup (padname)); \
} \
MAKE_LINK (link, NULL, _src, pads, NULL, NULL, NULL); \
} G_STMT_END
static void
gst_parse_new_child (GstChildProxy * child_proxy, GObject * object,
gpointer data)
{
DelayedSet *set = (DelayedSet *) data;
GParamSpec *pspec;
GValue v = { 0, };
GstObject *target = NULL;
GType value_type;
if (gst_child_proxy_lookup (GST_OBJECT (set->parent), set->name, &target,
&pspec)) {
gboolean got_value = FALSE;
value_type = G_PARAM_SPEC_VALUE_TYPE (pspec);
GST_CAT_LOG (GST_CAT_PIPELINE,
"parsing delayed property %s as a %s from %s", pspec->name,
g_type_name (value_type), set->value_str);
g_value_init (&v, value_type);
if (gst_value_deserialize (&v, set->value_str))
got_value = TRUE;
else if (g_type_is_a (value_type, GST_TYPE_ELEMENT)) {
GstElement *bin;
bin = gst_parse_bin_from_description (set->value_str, TRUE, NULL);
if (bin) {
g_value_set_object (&v, bin);
got_value = TRUE;
}
}
g_signal_handler_disconnect (child_proxy, set->signal_id);
if (!got_value)
goto error;
g_object_set_property (G_OBJECT (target), pspec->name, &v);
}
out:
if (G_IS_VALUE (&v))
g_value_unset (&v);
if (target)
gst_object_unref (target);
return;
error:
GST_CAT_ERROR (GST_CAT_PIPELINE,
"could not set property \"%s\" in element \"%s\"", pspec->name,
GST_ELEMENT_NAME (target));
goto out;
}
static void
gst_parse_free_delayed_set (DelayedSet * set)
{
g_free (set->name);
g_free (set->value_str);
g_slice_free (DelayedSet, set);
}
static void
gst_parse_element_set (gchar * value, GstElement * element, graph_t * graph)
{
GParamSpec *pspec;
gchar *pos = value;
GValue v = { 0, };
GstObject *target = NULL;
GType value_type;
/* do nothing if assignment is for missing element */
if (element == NULL)
goto out;
/* parse the string, so the property name is null-terminated an pos points
to the beginning of the value */
while (!g_ascii_isspace (*pos) && (*pos != '='))
pos++;
if (*pos == '=') {
*pos = '\0';
} else {
*pos = '\0';
pos++;
while (g_ascii_isspace (*pos))
pos++;
}
pos++;
while (g_ascii_isspace (*pos))
pos++;
if (*pos == '"') {
pos++;
pos[strlen (pos) - 1] = '\0';
}
gst_parse_unescape (pos);
if (gst_child_proxy_lookup (GST_OBJECT (element), value, &target, &pspec)) {
gboolean got_value = FALSE;
value_type = G_PARAM_SPEC_VALUE_TYPE (pspec);
GST_CAT_LOG (GST_CAT_PIPELINE, "parsing property %s as a %s", pspec->name,
g_type_name (value_type));
g_value_init (&v, value_type);
if (gst_value_deserialize (&v, pos))
got_value = TRUE;
else if (g_type_is_a (value_type, GST_TYPE_ELEMENT)) {
GstElement *bin;
bin = gst_parse_bin_from_description (pos, TRUE, NULL);
if (bin) {
g_value_set_object (&v, bin);
got_value = TRUE;
}
}
if (!got_value)
goto error;
g_object_set_property (G_OBJECT (target), pspec->name, &v);
} else {
/* do a delayed set */
if (GST_IS_CHILD_PROXY (element)) {
DelayedSet *data = g_slice_new0 (DelayedSet);
data->parent = element;
data->name = g_strdup (value);
data->value_str = g_strdup (pos);
data->signal_id = g_signal_connect_data (element, "child-added",
G_CALLBACK (gst_parse_new_child), data, (GClosureNotify)
gst_parse_free_delayed_set, (GConnectFlags) 0);
} else {
SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_PROPERTY,
_("no property \"%s\" in element \"%s\""), value,
GST_ELEMENT_NAME (element));
}
}
out:
gst_parse_strfree (value);
if (G_IS_VALUE (&v))
g_value_unset (&v);
if (target)
gst_object_unref (target);
return;
error:
SET_ERROR (graph->error, GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY,
_("could not set property \"%s\" in element \"%s\" to \"%s\""),
value, GST_ELEMENT_NAME (element), pos);
goto out;
}
static inline void
gst_parse_free_link (link_t * link)
{
gst_parse_strfree (link->src_name);
gst_parse_strfree (link->sink_name);
g_slist_foreach (link->src_pads, (GFunc) gst_parse_strfree, NULL);
g_slist_foreach (link->sink_pads, (GFunc) gst_parse_strfree, NULL);
g_slist_free (link->src_pads);
g_slist_free (link->sink_pads);
if (link->caps)
gst_caps_unref (link->caps);
gst_parse_link_free (link);
}
static void
gst_parse_free_delayed_link (DelayedLink * link)
{
g_free (link->src_pad);
g_free (link->sink_pad);
if (link->caps)
gst_caps_unref (link->caps);
g_slice_free (DelayedLink, link);
}
static void
gst_parse_found_pad (GstElement * src, GstPad * pad, gpointer data)
{
DelayedLink *link = data;
GST_CAT_INFO (GST_CAT_PIPELINE, "trying delayed linking %s:%s to %s:%s",
GST_STR_NULL (GST_ELEMENT_NAME (src)), GST_STR_NULL (link->src_pad),
GST_STR_NULL (GST_ELEMENT_NAME (link->sink)),
GST_STR_NULL (link->sink_pad));
if (gst_element_link_pads_filtered (src, link->src_pad, link->sink,
link->sink_pad, link->caps)) {
/* do this here, we don't want to get any problems later on when
* unlocking states */
GST_CAT_DEBUG (GST_CAT_PIPELINE, "delayed linking %s:%s to %s:%s worked",
GST_STR_NULL (GST_ELEMENT_NAME (src)), GST_STR_NULL (link->src_pad),
GST_STR_NULL (GST_ELEMENT_NAME (link->sink)),
GST_STR_NULL (link->sink_pad));
g_signal_handler_disconnect (src, link->signal_id);
}
}
/* both padnames and the caps may be NULL */
static gboolean
gst_parse_perform_delayed_link (GstElement * src, const gchar * src_pad,
GstElement * sink, const gchar * sink_pad, GstCaps * caps)
{
GList *templs =
gst_element_class_get_pad_template_list (GST_ELEMENT_GET_CLASS (src));
for (; templs; templs = templs->next) {
GstPadTemplate *templ = (GstPadTemplate *) templs->data;
if ((GST_PAD_TEMPLATE_DIRECTION (templ) == GST_PAD_SRC) &&
(GST_PAD_TEMPLATE_PRESENCE (templ) == GST_PAD_SOMETIMES)) {
DelayedLink *data = g_slice_new (DelayedLink);
/* TODO: maybe we should check if src_pad matches this template's names */
GST_CAT_DEBUG (GST_CAT_PIPELINE, "trying delayed link %s:%s to %s:%s",
GST_STR_NULL (GST_ELEMENT_NAME (src)), GST_STR_NULL (src_pad),
GST_STR_NULL (GST_ELEMENT_NAME (sink)), GST_STR_NULL (sink_pad));
data->src_pad = g_strdup (src_pad);
data->sink = sink;
data->sink_pad = g_strdup (sink_pad);
if (caps) {
data->caps = gst_caps_copy (caps);
} else {
data->caps = NULL;
}
data->signal_id = g_signal_connect_data (src, "pad-added",
G_CALLBACK (gst_parse_found_pad), data,
(GClosureNotify) gst_parse_free_delayed_link, (GConnectFlags) 0);
return TRUE;
}
}
return FALSE;
}
/*
* performs a link and frees the struct. src and sink elements must be given
* return values 0 - link performed
* 1 - link delayed
* <0 - error
*/
static gint
gst_parse_perform_link (link_t * link, graph_t * graph)
{
GstElement *src = link->src;
GstElement *sink = link->sink;
GSList *srcs = link->src_pads;
GSList *sinks = link->sink_pads;
g_assert (GST_IS_ELEMENT (src));
g_assert (GST_IS_ELEMENT (sink));
GST_CAT_INFO (GST_CAT_PIPELINE,
"linking %s:%s to %s:%s (%u/%u) with caps \"%" GST_PTR_FORMAT "\"",
GST_ELEMENT_NAME (src), link->src_name ? link->src_name : "(any)",
GST_ELEMENT_NAME (sink), link->sink_name ? link->sink_name : "(any)",
g_slist_length (srcs), g_slist_length (sinks), link->caps);
if (!srcs || !sinks) {
if (gst_element_link_pads_filtered (src,
srcs ? (const gchar *) srcs->data : NULL, sink,
sinks ? (const gchar *) sinks->data : NULL, link->caps)) {
goto success;
} else {
if (gst_parse_perform_delayed_link (src,
srcs ? (const gchar *) srcs->data : NULL,
sink, sinks ? (const gchar *) sinks->data : NULL, link->caps)) {
goto success;
} else {
goto error;
}
}
}
if (g_slist_length (link->src_pads) != g_slist_length (link->src_pads)) {
goto error;
}
while (srcs && sinks) {
const gchar *src_pad = (const gchar *) srcs->data;
const gchar *sink_pad = (const gchar *) sinks->data;
srcs = g_slist_next (srcs);
sinks = g_slist_next (sinks);
if (gst_element_link_pads_filtered (src, src_pad, sink, sink_pad,
link->caps)) {
continue;
} else {
if (gst_parse_perform_delayed_link (src, src_pad,
sink, sink_pad, link->caps)) {
continue;
} else {
goto error;
}
}
}
success:
gst_parse_free_link (link);
return 0;
error:
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("could not link %s to %s"), GST_ELEMENT_NAME (src),
GST_ELEMENT_NAME (sink));
gst_parse_free_link (link);
return -1;
}
static int yyerror (void *scanner, graph_t * graph, const char *s);
/* Enabling traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
/* Enabling verbose error messages. */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
#line 566 "./grammar.y"
typedef union YYSTYPE
{
gchar *s;
chain_t *c;
link_t *l;
GstElement *e;
GSList *p;
graph_t *g;
} YYSTYPE;
/* Line 186 of yacc.c. */
#line 677 "grammar.tab.c"
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif
/* Copy the second part of user declarations. */
/* Line 214 of yacc.c. */
#line 689 "grammar.tab.c"
#if ! defined (yyoverflow) || YYERROR_VERBOSE
# ifndef YYFREE
# define YYFREE free
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
# endif
/* The parser invokes alloca or malloc; define the necessary symbols. */
# ifdef YYSTACK_USE_ALLOCA
# if YYSTACK_USE_ALLOCA
# define YYSTACK_ALLOC alloca
# endif
# else
# if defined (alloca) || defined (_ALLOCA_H)
# define YYSTACK_ALLOC alloca
# else
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
/* Pacify GCC's `empty if-body' warning. */
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
# else
# if defined (__STDC__) || defined (__cplusplus)
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
# define YYSTACK_ALLOC YYMALLOC
# define YYSTACK_FREE YYFREE
# endif
#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
#if (! defined (yyoverflow) \
&& (! defined (__cplusplus) \
|| (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
short int yyss;
YYSTYPE yyvs;
};
/* The size of the maximum gap between one aligned stack and the next. */
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
# define YYSTACK_BYTES(N) \
((N) * (sizeof (short int) + sizeof (YYSTYPE)) \
+ YYSTACK_GAP_MAXIMUM)
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
# ifndef YYCOPY
# if defined (__GNUC__) && 1 < __GNUC__
# define YYCOPY(To, From, Count) \
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
# define YYCOPY(To, From, Count) \
do \
{ \
register YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
while (0)
# endif
# endif
/* Relocate STACK from its old location to the new one. The
local variables YYSIZE and YYSTACKSIZE give the old and new number of
elements in the stack, and YYPTR gives the new location of the
stack. Advance YYPTR to a properly aligned location for the next
stack. */
# define YYSTACK_RELOCATE(Stack) \
do \
{ \
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack, Stack, yysize); \
Stack = &yyptr->Stack; \
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#endif
#if defined (__STDC__) || defined (__cplusplus)
typedef signed char yysigned_char;
#else
typedef short int yysigned_char;
#endif
/* YYFINAL -- State number of the termination state. */
#define YYFINAL 29
/* YYLAST -- Last index in YYTABLE. */
#define YYLAST 176
/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS 16
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 12
/* YYNRULES -- Number of rules. */
#define YYNRULES 32
/* YYNRULES -- Number of states. */
#define YYNSTATES 43
/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
#define YYUNDEFTOK 2
#define YYMAXUTOK 264
#define YYTRANSLATE(YYX) \
((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
static const unsigned char yytranslate[] = {
0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 14, 2, 2, 2, 2, 2, 2,
10, 11, 2, 2, 12, 2, 13, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 15, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
5, 6, 7, 8, 9
};
#if YYDEBUG
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
YYRHS. */
static const unsigned char yyprhs[] = {
0, 0, 3, 5, 8, 9, 12, 17, 22, 26,
31, 33, 36, 39, 43, 45, 48, 50, 52, 53,
57, 59, 62, 65, 67, 69, 72, 75, 78, 81,
84, 87, 88
};
/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] = {
27, 0, -1, 4, -1, 17, 8, -1, -1, 18,
8, -1, 10, 18, 26, 11, -1, 5, 18, 26,
11, -1, 5, 18, 11, -1, 5, 18, 1, 11,
-1, 6, -1, 6, 21, -1, 12, 4, -1, 12,
4, 21, -1, 7, -1, 7, 21, -1, 22, -1,
20, -1, -1, 23, 9, 23, -1, 24, -1, 24,
25, -1, 25, 1, -1, 17, -1, 19, -1, 26,
26, -1, 26, 25, -1, 26, 1, -1, 24, 26,
-1, 3, 26, -1, 24, 3, -1, -1, 26, -1
};
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const unsigned short int yyrline[] = {
0, 601, 601, 615, 619, 620, 622, 623, 626, 629,
634, 635, 639, 640, 643, 644, 647, 648, 649, 652,
665, 666, 667, 670, 675, 676, 711, 739, 740, 754,
774, 799, 802
};
#endif
#if YYDEBUG || YYERROR_VERBOSE
/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] = {
"$end", "error", "$undefined", "PARSE_URL", "IDENTIFIER", "BINREF",
"PADREF", "REF", "ASSIGNMENT", "LINK", "'('", "')'", "','", "'.'", "'!'",
"'='", "$accept", "element", "assignments", "bin", "pads", "padlist",
"reference", "linkpart", "link", "linklist", "chain", "graph", 0
};
#endif
# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
token YYLEX-NUM. */
static const unsigned short int yytoknum[] = {
0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
40, 41, 44, 46, 33, 61
};
# endif
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const unsigned char yyr1[] = {
0, 16, 17, 17, 18, 18, 19, 19, 19, 19,
20, 20, 21, 21, 22, 22, 23, 23, 23, 24,
25, 25, 25, 26, 26, 26, 26, 26, 26, 26,
26, 27, 27
};
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
static const unsigned char yyr2[] = {
0, 2, 1, 2, 0, 2, 4, 4, 3, 4,
1, 2, 2, 3, 1, 2, 1, 1, 0, 3,
1, 2, 2, 1, 1, 2, 2, 2, 2, 2,
2, 0, 1
};
/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
STATE-NUM when YYTABLE doesn't specify something else to do. Zero
means the default is an error. */
static const unsigned char yydefact[] = {
18, 18, 2, 4, 10, 14, 4, 23, 24, 17,
16, 0, 18, 0, 0, 0, 0, 0, 11, 15,
18, 3, 18, 30, 0, 27, 20, 0, 0, 1,
0, 5, 8, 0, 12, 0, 19, 0, 22, 9,
7, 13, 6
};
/* YYDEFGOTO[NTERM-NUM]. */
static const yysigned_char yydefgoto[] = {
-1, 7, 16, 8, 9, 18, 10, 11, 26, 27,
28, 14
};
/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
STATE-NUM. */
#define YYPACT_NINF -6
static const short int yypact[] = {
134, 158, -6, -6, -1, -1, -6, 6, -6, -6,
-6, 7, 166, 101, 18, 30, 89, 16, -6, -6,
2, -6, 129, 142, 42, -6, 150, 54, 66, -6,
11, -6, -6, 111, -1, 122, -6, 78, -6, -6,
-6, -6, -6
};
/* YYPGOTO[NTERM-NUM]. */
static const yysigned_char yypgoto[] = {
-6, -6, 19, -6, -6, -5, -6, 10, 3, 12,
1, -6
};
/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
positive, shift that token. If negative, reduce the rule which
number is the opposite. If zero, do what YYDEFACT says.
If YYTABLE_NINF, syntax error. */
#define YYTABLE_NINF -33
static const yysigned_char yytable[] = {
19, 13, 15, 12, 12, 1, 2, 3, 4, 5,
31, 17, 6, 24, 21, 12, 22, 33, 29, 12,
34, 35, 39, 12, 15, 20, 12, 24, 0, 41,
-29, 25, 36, 1, 2, 3, 4, 5, 37, -18,
6, -29, -28, 25, 0, 1, 2, 3, 4, 5,
0, -18, 6, -28, -26, 38, 0, -26, -26, -26,
-26, -26, 0, -26, -26, -26, -25, 25, 0, 1,
2, 3, 4, 5, 0, -18, 6, -25, -21, 38,
0, -21, -21, -21, -21, -21, 0, -21, -21, -21,
30, 0, 1, 2, 3, 4, 5, 31, -18, 6,
32, -32, 25, 0, 1, 2, 3, 4, 5, 0,
-18, 6, 25, 0, 1, 2, 3, 4, 5, 0,
-18, 6, 40, 25, 0, 1, 2, 3, 4, 5,
0, -18, 6, 42, -31, 4, 5, 1, 2, 3,
4, 5, 0, 0, 6, 1, 2, 3, 4, 5,
0, -18, 6, 23, 2, 3, 4, 5, 0, -18,
6, 1, 2, 3, 4, 5, 0, 0, 6, 23,
2, 3, 4, 5, 0, 0, 6
};
static const yysigned_char yycheck[] = {
5, 0, 1, 0, 1, 3, 4, 5, 6, 7,
8, 12, 10, 12, 8, 12, 9, 16, 0, 16,
4, 20, 11, 20, 23, 6, 23, 26, -1, 34,
0, 1, 22, 3, 4, 5, 6, 7, 26, 9,
10, 11, 0, 1, -1, 3, 4, 5, 6, 7,
-1, 9, 10, 11, 0, 1, -1, 3, 4, 5,
6, 7, -1, 9, 10, 11, 0, 1, -1, 3,
4, 5, 6, 7, -1, 9, 10, 11, 0, 1,
-1, 3, 4, 5, 6, 7, -1, 9, 10, 11,
1, -1, 3, 4, 5, 6, 7, 8, 9, 10,
11, 0, 1, -1, 3, 4, 5, 6, 7, -1,
9, 10, 1, -1, 3, 4, 5, 6, 7, -1,
9, 10, 11, 1, -1, 3, 4, 5, 6, 7,
-1, 9, 10, 11, 0, 6, 7, 3, 4, 5,
6, 7, -1, -1, 10, 3, 4, 5, 6, 7,
-1, 9, 10, 3, 4, 5, 6, 7, -1, 9,
10, 3, 4, 5, 6, 7, -1, -1, 10, 3,
4, 5, 6, 7, -1, -1, 10
};
/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
symbol of state STATE-NUM. */
static const unsigned char yystos[] = {
0, 3, 4, 5, 6, 7, 10, 17, 19, 20,
22, 23, 24, 26, 27, 26, 18, 12, 21, 21,
18, 8, 9, 3, 26, 1, 24, 25, 26, 0,
1, 8, 11, 26, 4, 26, 23, 25, 1, 11,
11, 21, 11
};
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#endif
#if ! defined (YYSIZE_T) && defined (size_t)
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T)
# if defined (__STDC__) || defined (__cplusplus)
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
#endif
#if ! defined (YYSIZE_T)
# define YYSIZE_T unsigned int
#endif
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY (-2)
#define YYEOF 0
#define YYACCEPT goto yyacceptlab
#define YYABORT goto yyabortlab
#define YYERROR goto yyerrorlab
/* Like YYERROR except do call yyerror. This remains here temporarily
to ease the transition to the new meaning of YYERROR, for GCC.
Once GCC version 2 has supplanted version 1, this can go. */
#define YYFAIL goto yyerrlab
#define YYRECOVERING() (!!yyerrstatus)
#define YYBACKUP(Token, Value) \
do \
if (yychar == YYEMPTY && yylen == 1) \
{ \
yychar = (Token); \
yylval = (Value); \
yytoken = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ \
yyerror (scanner, graph, "syntax error: cannot back up");\
YYERROR; \
} \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
are run). */
#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N) \
((Current).first_line = (Rhs)[1].first_line, \
(Current).first_column = (Rhs)[1].first_column, \
(Current).last_line = (Rhs)[N].last_line, \
(Current).last_column = (Rhs)[N].last_column)
#endif
/* YYLEX -- calling `yylex' with the right arguments. */
#ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, YYLEX_PARAM)
#else
# define YYLEX yylex (&yylval)
#endif
/* Enable debugging if requested. */
#if YYDEBUG
# ifndef YYFPRINTF
# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
# define YYFPRINTF fprintf
# endif
# define YYDPRINTF(Args) \
do { \
if (yydebug) \
YYFPRINTF Args; \
} while (0)
# define YYDSYMPRINT(Args) \
do { \
if (yydebug) \
yysymprint Args; \
} while (0)
# define YYDSYMPRINTF(Title, Token, Value, Location) \
do { \
if (yydebug) \
{ \
YYFPRINTF (stderr, "%s ", Title); \
yysymprint (stderr, \
Token, Value); \
YYFPRINTF (stderr, "\n"); \
} \
} while (0)
/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
| TOP (included). |
`------------------------------------------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
yy_stack_print (short int *bottom, short int *top)
#else
static void
yy_stack_print (bottom, top)
short int *bottom;
short int *top;
#endif
{
YYFPRINTF (stderr, "Stack now");
for ( /* Nothing. */ ; bottom <= top; ++bottom)
YYFPRINTF (stderr, " %d", *bottom);
YYFPRINTF (stderr, "\n");
}
# define YY_STACK_PRINT(Bottom, Top) \
do { \
if (yydebug) \
yy_stack_print ((Bottom), (Top)); \
} while (0)
/*------------------------------------------------.
| Report that the YYRULE is going to be reduced. |
`------------------------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
yy_reduce_print (int yyrule)
#else
static void
yy_reduce_print (yyrule)
int yyrule;
#endif
{
int yyi;
unsigned int yylno = yyrline[yyrule];
YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
yyrule - 1, yylno);
/* Print the symbols being reduced, and their result. */
for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyrule]]);
}
# define YY_REDUCE_PRINT(Rule) \
do { \
if (yydebug) \
yy_reduce_print (Rule); \
} while (0)
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
# define YYDSYMPRINT(Args)
# define YYDSYMPRINTF(Title, Token, Value, Location)
# define YY_STACK_PRINT(Bottom, Top)
# define YY_REDUCE_PRINT(Rule)
#endif /* !YYDEBUG */
/* YYINITDEPTH -- initial size of the parser's stacks. */
#ifndef YYINITDEPTH
# define YYINITDEPTH 200
#endif
/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
if the built-in stack extension method is used).
Do not make this value too large; the results are undefined if
SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
evaluated with infinite-precision integer arithmetic. */
#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
# undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif
#if YYERROR_VERBOSE
# ifndef yystrlen
# if defined (__GLIBC__) && defined (_STRING_H)
# define yystrlen strlen
# else
/* Return the length of YYSTR. */
static YYSIZE_T
# if defined (__STDC__) || defined (__cplusplus)
yystrlen (const char *yystr)
# else
yystrlen (yystr)
const char *yystr;
# endif
{
register const char *yys = yystr;
while (*yys++ != '\0')
continue;
return yys - yystr - 1;
}
# endif
# endif
# ifndef yystpcpy
# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
# define yystpcpy stpcpy
# else
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
YYDEST. */
static char *
# if defined (__STDC__) || defined (__cplusplus)
yystpcpy (char *yydest, const char *yysrc)
# else
yystpcpy (yydest, yysrc)
char *yydest;
const char *yysrc;
# endif
{
register char *yyd = yydest;
register const char *yys = yysrc;
while ((*yyd++ = *yys++) != '\0')
continue;
return yyd - 1;
}
# endif
# endif
#endif /* !YYERROR_VERBOSE */
#if YYDEBUG
/*--------------------------------.
| Print this symbol on YYOUTPUT. |
`--------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
yysymprint (FILE * yyoutput, int yytype, YYSTYPE * yyvaluep)
#else
static void
yysymprint (yyoutput, yytype, yyvaluep)
FILE *yyoutput;
int yytype;
YYSTYPE *yyvaluep;
#endif
{
/* Pacify ``unused variable'' warnings. */
(void) yyvaluep;
if (yytype < YYNTOKENS) {
YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
# ifdef YYPRINT
YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
# endif
} else
YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
switch (yytype) {
default:
break;
}
YYFPRINTF (yyoutput, ")");
}
#endif /* ! YYDEBUG */
/*-----------------------------------------------.
| Release the memory associated to this symbol. |
`-----------------------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
yydestruct (int yytype, YYSTYPE * yyvaluep)
#else
static void
yydestruct (yytype, yyvaluep)
int yytype;
YYSTYPE *yyvaluep;
#endif
{
/* Pacify ``unused variable'' warnings. */
(void) yyvaluep;
switch (yytype) {
default:
break;
}
}
/* Prevent warnings from -Wmissing-prototypes. */
#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
int yyparse (void *YYPARSE_PARAM);
# else
int yyparse ();
# endif
#else /* ! YYPARSE_PARAM */
#if defined (__STDC__) || defined (__cplusplus)
int yyparse (void *scanner, graph_t * graph);
#else
int yyparse ();
#endif
#endif /* ! YYPARSE_PARAM */
/*----------.
| yyparse. |
`----------*/
#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
int
yyparse (void *YYPARSE_PARAM)
# else
int
yyparse (YYPARSE_PARAM)
void *YYPARSE_PARAM;
# endif
#else /* ! YYPARSE_PARAM */
#if defined (__STDC__) || defined (__cplusplus)
int
yyparse (void *scanner, graph_t * graph)
#else
int
yyparse (scanner, graph)
void *scanner;
graph_t *graph;
#endif
#endif
{
/* The lookahead symbol. */
int yychar;
/* The semantic value of the lookahead symbol. */
YYSTYPE yylval;
/* Number of syntax errors so far. */
int yynerrs;
register int yystate;
register int yyn;
int yyresult;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
/* Lookahead token as an internal (translated) token number. */
int yytoken = 0;
/* Three stacks and their tools:
`yyss': related to states,
`yyvs': related to semantic values,
`yyls': related to locations.
Refer to the stacks thru separate pointers, to allow yyoverflow
to reallocate them elsewhere. */
/* The state stack. */
short int yyssa[YYINITDEPTH];
short int *yyss = yyssa;
register short int *yyssp;
/* The semantic value stack. */
YYSTYPE yyvsa[YYINITDEPTH];
YYSTYPE *yyvs = yyvsa;
register YYSTYPE *yyvsp;
#define YYPOPSTACK (yyvsp--, yyssp--)
YYSIZE_T yystacksize = YYINITDEPTH;
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
/* When reducing, the number of symbols on the RHS of the reduced
rule. */
int yylen;
YYDPRINTF ((stderr, "Starting parse\n"));
yystate = 0;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY; /* Cause a token to be read. */
/* Initialize stack pointers.
Waste one element of value and location stack
so that they stay on the same level as the state stack.
The wasted elements are never initialized. */
yyssp = yyss;
yyvsp = yyvs;
goto yysetstate;
/*------------------------------------------------------------.
| yynewstate -- Push a new state, which is found in yystate. |
`------------------------------------------------------------*/
yynewstate:
/* In all cases, when you get here, the value and location stacks
have just been pushed. so pushing a state here evens the stacks.
*/
yyssp++;
yysetstate:
*yyssp = yystate;
if (yyss + yystacksize - 1 <= yyssp) {
/* Get the current used size of the three stacks, in elements. */
YYSIZE_T yysize = yyssp - yyss + 1;
#ifdef yyoverflow
{
/* Give user a chance to reallocate the stack. Use copies of
these so that the &'s don't force the real ones into
memory. */
YYSTYPE *yyvs1 = yyvs;
short int *yyss1 = yyss;
/* Each stack pointer address is followed by the size of the
data in use in that stack, in bytes. This used to be a
conditional around just the two extra args, but that might
be undefined if yyoverflow is a macro. */
yyoverflow ("parser stack overflow",
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp), &yystacksize);
yyss = yyss1;
yyvs = yyvs1;
}
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
goto yyoverflowlab;
# else
/* Extend the stack our own way. */
if (YYMAXDEPTH <= yystacksize)
goto yyoverflowlab;
yystacksize *= 2;
if (YYMAXDEPTH < yystacksize)
yystacksize = YYMAXDEPTH;
{
short int *yyss1 = yyss;
union yyalloc *yyptr =
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
if (!yyptr)
goto yyoverflowlab;
YYSTACK_RELOCATE (yyss);
YYSTACK_RELOCATE (yyvs);
# undef YYSTACK_RELOCATE
if (yyss1 != yyssa)
YYSTACK_FREE (yyss1);
}
# endif
#endif /* no yyoverflow */
yyssp = yyss + yysize - 1;
yyvsp = yyvs + yysize - 1;
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
(unsigned long int) yystacksize));
if (yyss + yystacksize - 1 <= yyssp)
YYABORT;
}
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
goto yybackup;
/*-----------.
| yybackup. |
`-----------*/
yybackup:
/* Do appropriate processing given the current state. */
/* Read a lookahead token if we need one and don't already have one. */
/* yyresume: */
/* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
if (yyn == YYPACT_NINF)
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
/* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
if (yychar == YYEMPTY) {
YYDPRINTF ((stderr, "Reading a token: "));
yychar = YYLEX;
}
if (yychar <= YYEOF) {
yychar = yytoken = YYEOF;
YYDPRINTF ((stderr, "Now at end of input.\n"));
} else {
yytoken = YYTRANSLATE (yychar);
YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
}
/* If the proper action on seeing token YYTOKEN is to reduce or to
detect an error, take that action. */
yyn += yytoken;
if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
goto yydefault;
yyn = yytable[yyn];
if (yyn <= 0) {
if (yyn == 0 || yyn == YYTABLE_NINF)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
if (yyn == YYFINAL)
YYACCEPT;
/* Shift the lookahead token. */
YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
/* Count tokens shifted since error; after three, turn off error
status. */
if (yyerrstatus)
yyerrstatus--;
yystate = yyn;
goto yynewstate;
/*-----------------------------------------------------------.
| yydefault -- do the default action for the current state. |
`-----------------------------------------------------------*/
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
goto yyreduce;
/*-----------------------------.
| yyreduce -- Do a reduction. |
`-----------------------------*/
yyreduce:
/* yyn is the number of a rule to reduce with. */
yylen = yyr2[yyn];
/* If YYLEN is nonzero, implement the default value of the action:
`$$ = $1'.
Otherwise, the following line sets YYVAL to garbage.
This behavior is undocumented and Bison
users should not rely upon it. Assigning to YYVAL
unconditionally makes the parser a bit smaller, and it avoids a
GCC warning that YYVAL may be used uninitialized. */
yyval = yyvsp[1 - yylen];
YY_REDUCE_PRINT (yyn);
switch (yyn) {
case 2:
#line 601 "./grammar.y"
{
yyval.e = gst_element_factory_make (yyvsp[0].s, NULL);
if (yyval.e == NULL) {
ADD_MISSING_ELEMENT (graph, yyvsp[0].s);
SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
_("no element \"%s\""), yyvsp[0].s);
/* if FATAL_ERRORS flag is set, we don't have to worry about backwards
* compatibility and can continue parsing and check for other missing
* elements */
if ((graph->flags & GST_PARSE_FLAG_FATAL_ERRORS) == 0) {
gst_parse_strfree (yyvsp[0].s);
YYERROR;
}
}
gst_parse_strfree (yyvsp[0].s);
;
}
break;
case 3:
#line 615 "./grammar.y"
{
gst_parse_element_set (yyvsp[0].s, yyvsp[-1].e, graph);
yyval.e = yyvsp[-1].e;
;
}
break;
case 4:
#line 619 "./grammar.y"
{
yyval.p = NULL;;
}
break;
case 5:
#line 620 "./grammar.y"
{
yyval.p = g_slist_prepend (yyvsp[-1].p, yyvsp[0].s);;
}
break;
case 6:
#line 622 "./grammar.y"
{
GST_BIN_MAKE (yyval.c, "bin", yyvsp[-1].c, yyvsp[-2].p, FALSE);;
}
break;
case 7:
#line 623 "./grammar.y"
{
GST_BIN_MAKE (yyval.c, yyvsp[-3].s, yyvsp[-1].c, yyvsp[-2].p, TRUE);
gst_parse_strfree (yyvsp[-3].s);
;
}
break;
case 8:
#line 626 "./grammar.y"
{
GST_BIN_MAKE (yyval.c, yyvsp[-2].s, NULL, yyvsp[-1].p, TRUE);
gst_parse_strfree (yyvsp[-2].s);
;
}
break;
case 9:
#line 629 "./grammar.y"
{
GST_BIN_MAKE (yyval.c, yyvsp[-3].s, NULL, yyvsp[-2].p, TRUE);
gst_parse_strfree (yyvsp[-3].s);
;
}
break;
case 10:
#line 634 "./grammar.y"
{
yyval.p = g_slist_prepend (NULL, yyvsp[0].s);;
}
break;
case 11:
#line 635 "./grammar.y"
{
yyval.p = yyvsp[0].p;
yyval.p = g_slist_prepend (yyval.p, yyvsp[-1].s);
;
}
break;
case 12:
#line 639 "./grammar.y"
{
yyval.p = g_slist_prepend (NULL, yyvsp[0].s);;
}
break;
case 13:
#line 640 "./grammar.y"
{
yyval.p = g_slist_prepend (yyvsp[0].p, yyvsp[-1].s);;
}
break;
case 14:
#line 643 "./grammar.y"
{
MAKE_REF (yyval.l, yyvsp[0].s, NULL);;
}
break;
case 15:
#line 644 "./grammar.y"
{
MAKE_REF (yyval.l, yyvsp[-1].s, yyvsp[0].p);;
}
break;
case 16:
#line 647 "./grammar.y"
{
yyval.l = yyvsp[0].l;;
}
break;
case 17:
#line 648 "./grammar.y"
{
MAKE_REF (yyval.l, NULL, yyvsp[0].p);;
}
break;
case 18:
#line 649 "./grammar.y"
{
MAKE_REF (yyval.l, NULL, NULL);;
}
break;
case 19:
#line 652 "./grammar.y"
{
yyval.l = yyvsp[-2].l;
if (yyvsp[-1].s) {
yyval.l->caps = gst_caps_from_string (yyvsp[-1].s);
if (yyval.l->caps == NULL)
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("could not parse caps \"%s\""), yyvsp[-1].s);
gst_parse_strfree (yyvsp[-1].s);
}
yyval.l->sink_name = yyvsp[0].l->src_name;
yyval.l->sink_pads = yyvsp[0].l->src_pads;
gst_parse_link_free (yyvsp[0].l);
;
}
break;
case 20:
#line 665 "./grammar.y"
{
yyval.p = g_slist_prepend (NULL, yyvsp[0].l);;
}
break;
case 21:
#line 666 "./grammar.y"
{
yyval.p = g_slist_prepend (yyvsp[0].p, yyvsp[-1].l);;
}
break;
case 22:
#line 667 "./grammar.y"
{
yyval.p = yyvsp[-1].p;;
}
break;
case 23:
#line 670 "./grammar.y"
{
yyval.c = gst_parse_chain_new ();
yyval.c->first = yyval.c->last = yyvsp[0].e;
yyval.c->front = yyval.c->back = NULL;
yyval.c->elements = g_slist_prepend (NULL, yyvsp[0].e);
;
}
break;
case 24:
#line 675 "./grammar.y"
{
yyval.c = yyvsp[0].c;;
}
break;
case 25:
#line 676 "./grammar.y"
{
if (yyvsp[-1].c->back && yyvsp[0].c->front) {
if (!yyvsp[-1].c->back->sink_name) {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("link without source element"));
gst_parse_free_link (yyvsp[-1].c->back);
} else {
graph->links = g_slist_prepend (graph->links, yyvsp[-1].c->back);
}
if (!yyvsp[0].c->front->src_name) {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("link without sink element"));
gst_parse_free_link (yyvsp[0].c->front);
} else {
graph->links = g_slist_prepend (graph->links, yyvsp[0].c->front);
}
yyvsp[-1].c->back = NULL;
} else if (yyvsp[-1].c->back) {
if (!yyvsp[-1].c->back->sink_name) {
yyvsp[-1].c->back->sink = yyvsp[0].c->first;
}
} else if (yyvsp[0].c->front) {
if (!yyvsp[0].c->front->src_name) {
yyvsp[0].c->front->src = yyvsp[-1].c->last;
}
yyvsp[-1].c->back = yyvsp[0].c->front;
}
if (yyvsp[-1].c->back) {
graph->links = g_slist_prepend (graph->links, yyvsp[-1].c->back);
}
yyvsp[-1].c->last = yyvsp[0].c->last;
yyvsp[-1].c->back = yyvsp[0].c->back;
yyvsp[-1].c->elements =
g_slist_concat (yyvsp[-1].c->elements, yyvsp[0].c->elements);
if (yyvsp[0].c)
gst_parse_chain_free (yyvsp[0].c);
yyval.c = yyvsp[-1].c;
;
}
break;
case 26:
#line 711 "./grammar.y"
{
GSList *walk;
if (yyvsp[-1].c->back) {
yyvsp[0].p = g_slist_prepend (yyvsp[0].p, yyvsp[-1].c->back);
yyvsp[-1].c->back = NULL;
} else {
if (!((link_t *) yyvsp[0].p->data)->src_name) {
((link_t *) yyvsp[0].p->data)->src = yyvsp[-1].c->last;
}
}
for (walk = yyvsp[0].p; walk; walk = walk->next) {
link_t *link = (link_t *) walk->data;
if (!link->sink_name && walk->next) {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("link without sink element"));
gst_parse_free_link (link);
} else if (!link->src_name && !link->src) {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("link without source element"));
gst_parse_free_link (link);
} else {
if (walk->next) {
graph->links = g_slist_prepend (graph->links, link);
} else {
yyvsp[-1].c->back = link;
}
}
}
g_slist_free (yyvsp[0].p);
yyval.c = yyvsp[-1].c;
;
}
break;
case 27:
#line 739 "./grammar.y"
{
yyval.c = yyvsp[-1].c;;
}
break;
case 28:
#line 740 "./grammar.y"
{
if (yyvsp[0].c->front) {
if (!yyvsp[0].c->front->src_name) {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("link without source element"));
gst_parse_free_link (yyvsp[0].c->front);
} else {
graph->links = g_slist_prepend (graph->links, yyvsp[0].c->front);
}
}
if (!yyvsp[-1].l->sink_name) {
yyvsp[-1].l->sink = yyvsp[0].c->first;
}
yyvsp[0].c->front = yyvsp[-1].l;
yyval.c = yyvsp[0].c;
;
}
break;
case 29:
#line 754 "./grammar.y"
{
yyval.c = yyvsp[0].c;
if (yyval.c->front) {
GstElement *element =
gst_element_make_from_uri (GST_URI_SRC, yyvsp[-1].s, NULL);
if (!element) {
SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
_("no source element for URI \"%s\""), yyvsp[-1].s);
} else {
yyval.c->front->src = element;
graph->links = g_slist_prepend (graph->links, yyval.c->front);
yyval.c->front = NULL;
yyval.c->elements = g_slist_prepend (yyval.c->elements, element);
}
} else {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("no element to link URI \"%s\" to"), yyvsp[-1].s);
}
g_free (yyvsp[-1].s);
;
}
break;
case 30:
#line 774 "./grammar.y"
{
GstElement *element =
gst_element_make_from_uri (GST_URI_SINK, yyvsp[0].s, NULL);
if (!element) {
SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
_("no sink element for URI \"%s\""), yyvsp[0].s);
gst_parse_link_free (yyvsp[-1].l);
g_free (yyvsp[0].s);
YYERROR;
} else if (yyvsp[-1].l->sink_name || yyvsp[-1].l->sink_pads) {
gst_object_unref (element);
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("could not link sink element for URI \"%s\""), yyvsp[0].s);
gst_parse_link_free (yyvsp[-1].l);
g_free (yyvsp[0].s);
YYERROR;
} else {
yyval.c = gst_parse_chain_new ();
yyval.c->first = yyval.c->last = element;
yyval.c->front = yyvsp[-1].l;
yyval.c->front->sink = element;
yyval.c->elements = g_slist_prepend (NULL, element);
}
g_free (yyvsp[0].s);
;
}
break;
case 31:
#line 799 "./grammar.y"
{
SET_ERROR (graph->error, GST_PARSE_ERROR_EMPTY,
_("empty pipeline not allowed"));
yyval.g = graph;
;
}
break;
case 32:
#line 802 "./grammar.y"
{
yyval.g = graph;
if (yyvsp[0].c->front) {
if (!yyvsp[0].c->front->src_name) {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("link without source element"));
gst_parse_free_link (yyvsp[0].c->front);
} else {
yyval.g->links = g_slist_prepend (yyval.g->links, yyvsp[0].c->front);
}
yyvsp[0].c->front = NULL;
}
if (yyvsp[0].c->back) {
if (!yyvsp[0].c->back->sink_name) {
SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("link without sink element"));
gst_parse_free_link (yyvsp[0].c->back);
} else {
yyval.g->links = g_slist_prepend (yyval.g->links, yyvsp[0].c->back);
}
yyvsp[0].c->back = NULL;
}
yyval.g->chain = yyvsp[0].c;
;
}
break;
}
/* Line 1010 of yacc.c. */
#line 1961 "grammar.tab.c"
yyvsp -= yylen;
yyssp -= yylen;
YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
/* Now `shift' the result of the reduction. Determine what state
that goes to, based on the state we popped back to and the rule
number reduced by. */
yyn = yyr1[yyn];
yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
yystate = yydefgoto[yyn - YYNTOKENS];
goto yynewstate;
/*------------------------------------.
| yyerrlab -- here on detecting error |
`------------------------------------*/
yyerrlab:
/* If not already recovering from an error, report this error. */
if (!yyerrstatus) {
++yynerrs;
#if YYERROR_VERBOSE
yyn = yypact[yystate];
if (YYPACT_NINF < yyn && yyn < YYLAST) {
YYSIZE_T yysize = 0;
int yytype = YYTRANSLATE (yychar);
const char *yyprefix;
char *yymsg;
int yyx;
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
int yyxbegin = yyn < 0 ? -yyn : 0;
/* Stay within bounds of both yycheck and yytname. */
int yychecklim = YYLAST - yyn;
int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
int yycount = 0;
yyprefix = ", expecting ";
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) {
yysize += yystrlen (yyprefix) + yystrlen (yytname[yyx]);
yycount += 1;
if (yycount == 5) {
yysize = 0;
break;
}
}
yysize += (sizeof ("syntax error, unexpected ")
+ yystrlen (yytname[yytype]));
yymsg = (char *) YYSTACK_ALLOC (yysize);
if (yymsg != 0) {
char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
yyp = yystpcpy (yyp, yytname[yytype]);
if (yycount < 5) {
yyprefix = ", expecting ";
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) {
yyp = yystpcpy (yyp, yyprefix);
yyp = yystpcpy (yyp, yytname[yyx]);
yyprefix = " or ";
}
}
yyerror (scanner, graph, yymsg);
YYSTACK_FREE (yymsg);
} else
yyerror (scanner, graph, "syntax error; also virtual memory exhausted");
} else
#endif /* YYERROR_VERBOSE */
yyerror (scanner, graph, "syntax error");
}
if (yyerrstatus == 3) {
/* If just tried and failed to reuse lookahead token after an
error, discard it. */
if (yychar <= YYEOF) {
/* If at end of input, pop the error token,
then the rest of the stack, then return failure. */
if (yychar == YYEOF)
for (;;) {
YYPOPSTACK;
if (yyssp == yyss)
YYABORT;
YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
yydestruct (yystos[*yyssp], yyvsp);
}
} else {
YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
yydestruct (yytoken, &yylval);
yychar = YYEMPTY;
}
}
/* Else will try to reuse lookahead token after shifting the error
token. */
goto yyerrlab1;
/*---------------------------------------------------.
| yyerrorlab -- error raised explicitly by YYERROR. |
`---------------------------------------------------*/
yyerrorlab:
#ifdef __GNUC__
/* Pacify GCC when the user code never invokes YYERROR and the label
yyerrorlab therefore never appears in user code. */
if (0)
goto yyerrorlab;
#endif
yyvsp -= yylen;
yyssp -= yylen;
yystate = *yyssp;
goto yyerrlab1;
/*-------------------------------------------------------------.
| yyerrlab1 -- common code for both syntax error and YYERROR. |
`-------------------------------------------------------------*/
yyerrlab1:
yyerrstatus = 3; /* Each real token shifted decrements this. */
for (;;) {
yyn = yypact[yystate];
if (yyn != YYPACT_NINF) {
yyn += YYTERROR;
if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) {
yyn = yytable[yyn];
if (0 < yyn)
break;
}
}
/* Pop the current state because it cannot handle the error token. */
if (yyssp == yyss)
YYABORT;
YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
yydestruct (yystos[yystate], yyvsp);
YYPOPSTACK;
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
}
if (yyn == YYFINAL)
YYACCEPT;
YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
yystate = yyn;
goto yynewstate;
/*-------------------------------------.
| yyacceptlab -- YYACCEPT comes here. |
`-------------------------------------*/
yyacceptlab:
yyresult = 0;
goto yyreturn;
/*-----------------------------------.
| yyabortlab -- YYABORT comes here. |
`-----------------------------------*/
yyabortlab:
yyresult = 1;
goto yyreturn;
#ifndef yyoverflow
/*----------------------------------------------.
| yyoverflowlab -- parser overflow comes here. |
`----------------------------------------------*/
yyoverflowlab:
yyerror (scanner, graph, "parser stack overflow");
yyresult = 2;
/* Fall through. */
#endif
yyreturn:
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
#endif
return yyresult;
}
#line 825 "./grammar.y"
static int
yyerror (void *scanner, graph_t * graph, const char *s)
{
/* FIXME: This should go into the GError somehow, but how? */
GST_WARNING ("Error during parsing: %s", s);
return -1;
}
GstElement *
_gst_parse_launch (const gchar * str, GError ** error, GstParseContext * ctx,
GstParseFlags flags)
{
graph_t g;
gchar *dstr;
GSList *walk;
GstBin *bin = NULL;
GstElement *ret;
yyscan_t scanner;
g_return_val_if_fail (str != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
g.chain = NULL;
g.links = NULL;
g.error = error;
g.ctx = ctx;
g.flags = flags;
#ifdef __GST_PARSE_TRACE
GST_CAT_DEBUG (GST_CAT_PIPELINE, "TRACE: tracing enabled");
__strings = __chains = __links = 0;
#endif /* __GST_PARSE_TRACE */
dstr = g_strdup (str);
_gst_parse_yylex_init (&scanner);
_gst_parse_yy_scan_string (dstr, scanner);
#ifndef YYDEBUG
yydebug = 1;
#endif
if (yyparse (scanner, &g) != 0) {
SET_ERROR (error, GST_PARSE_ERROR_SYNTAX,
"Unrecoverable syntax error while parsing pipeline %s", str);
_gst_parse_yylex_destroy (scanner);
g_free (dstr);
goto error1;
}
_gst_parse_yylex_destroy (scanner);
g_free (dstr);
GST_CAT_DEBUG (GST_CAT_PIPELINE, "got %u elements and %u links",
g.chain ? g_slist_length (g.chain->elements) : 0,
g_slist_length (g.links));
if (!g.chain) {
ret = NULL;
} else if (!g.chain->elements->next) {
/* only one toplevel element */
ret = (GstElement *) g.chain->elements->data;
g_slist_free (g.chain->elements);
if (GST_IS_BIN (ret))
bin = GST_BIN (ret);
gst_parse_chain_free (g.chain);
} else {
/* put all elements in our bin */
bin = GST_BIN (gst_element_factory_make ("pipeline", NULL));
g_assert (bin);
for (walk = g.chain->elements; walk; walk = walk->next) {
if (walk->data != NULL)
gst_bin_add (bin, GST_ELEMENT (walk->data));
}
g_slist_free (g.chain->elements);
ret = GST_ELEMENT (bin);
gst_parse_chain_free (g.chain);
}
/* remove links */
for (walk = g.links; walk; walk = walk->next) {
link_t *l = (link_t *) walk->data;
if (!l->src) {
if (l->src_name) {
if (bin) {
l->src = gst_bin_get_by_name_recurse_up (bin, l->src_name);
if (l->src)
gst_object_unref (l->src);
} else {
l->src =
strcmp (GST_ELEMENT_NAME (ret), l->src_name) == 0 ? ret : NULL;
}
}
if (!l->src) {
if (l->src_name) {
SET_ERROR (error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
"No element named \"%s\" - omitting link", l->src_name);
} else {
/* probably a missing element which we've handled already */
}
gst_parse_free_link (l);
continue;
}
}
if (!l->sink) {
if (l->sink_name) {
if (bin) {
l->sink = gst_bin_get_by_name_recurse_up (bin, l->sink_name);
if (l->sink)
gst_object_unref (l->sink);
} else {
l->sink =
strcmp (GST_ELEMENT_NAME (ret), l->sink_name) == 0 ? ret : NULL;
}
}
if (!l->sink) {
if (l->sink_name) {
SET_ERROR (error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
"No element named \"%s\" - omitting link", l->sink_name);
} else {
/* probably a missing element which we've handled already */
}
gst_parse_free_link (l);
continue;
}
}
gst_parse_perform_link (l, &g);
}
g_slist_free (g.links);
out:
#ifdef __GST_PARSE_TRACE
GST_CAT_DEBUG (GST_CAT_PIPELINE,
"TRACE: %u strings, %u chains and %u links left", __strings, __chains,
__links);
if (__strings || __chains || __links) {
g_warning ("TRACE: %u strings, %u chains and %u links left", __strings,
__chains, __links);
}
#endif /* __GST_PARSE_TRACE */
return ret;
error1:
if (g.chain) {
g_slist_foreach (g.chain->elements, (GFunc) gst_object_unref, NULL);
g_slist_free (g.chain->elements);
gst_parse_chain_free (g.chain);
}
g_slist_foreach (g.links, (GFunc) gst_parse_free_link, NULL);
g_slist_free (g.links);
if (error)
g_assert (*error);
ret = NULL;
goto out;
}
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