jsgf_internal.h
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/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
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#ifndef __JSGF_INTERNAL_H__
#define __JSGF_INTERNAL_H__
#define YY_NO_UNISTD_H 1
#include <stdio.h>
#include <sphinxbase/hash_table.h>
#include <sphinxbase/glist.h>
#include <sphinxbase/fsg_model.h>
#include <sphinxbase/logmath.h>
#include <sphinxbase/strfuncs.h>
#include <sphinxbase/jsgf.h>
#ifdef __cplusplus
extern "C" {
#endif
#if 0
/* Fool Emacs. */
}
#endif
#define YY_NO_INPUT /* Silence a compiler warning. */
typedef struct jsgf_rhs_s jsgf_rhs_t;
typedef struct jsgf_atom_s jsgf_atom_t;
typedef struct jsgf_link_s jsgf_link_t;
struct jsgf_s {
char *version;
char *charset;
char *locale;
char *name;
hash_table_t *rules;
hash_table_t *imports;
jsgf_t *parent;
glist_t searchpath;
/* Scratch variables for FSG conversion. */
int nstate;
glist_t links;
glist_t rulestack;
};
struct jsgf_rule_s {
int refcnt;
char *name;
int public;
jsgf_rhs_t *rhs;
int entry;
int exit;
};
struct jsgf_rhs_s {
glist_t atoms;
jsgf_rhs_t *alt;
};
struct jsgf_atom_s {
char *name;
glist_t tags;
float weight;
};
struct jsgf_link_s {
jsgf_atom_t *atom;
int from;
int to;
};
#define jsgf_atom_is_rule(atom) ((atom)->name[0] == '<')
void jsgf_add_link(jsgf_t *grammar, jsgf_atom_t *atom, int from, int to);
jsgf_atom_t *jsgf_atom_new(char *name, float weight);
jsgf_atom_t *jsgf_kleene_new(jsgf_t *jsgf, jsgf_atom_t *atom, int plus);
jsgf_rule_t *jsgf_optional_new(jsgf_t *jsgf, jsgf_rhs_t *exp);
jsgf_rule_t *jsgf_define_rule(jsgf_t *jsgf, char *name, jsgf_rhs_t *rhs, int public);
jsgf_rule_t *jsgf_import_rule(jsgf_t *jsgf, char *name);
int jsgf_atom_free(jsgf_atom_t *atom);
int jsgf_rule_free(jsgf_rule_t *rule);
jsgf_rule_t *jsgf_rule_retain(jsgf_rule_t *rule);
#ifdef __cplusplus
}
#endif
#endif /* __JSGF_H__ */
jsgf_rhs_s
Definition: jsgf_internal.h:96
strfuncs.h
Miscellaneous useful string functions.
jsgf_link_s
Definition: jsgf_internal.h:107
jsgf_atom_s::tags
glist_t tags
Tags, if any (glist_t of char *)
Definition: jsgf_internal.h:103
jsgf_s
Definition: jsgf_internal.h:69
jsgf_s::links
glist_t links
Generated FSG links.
Definition: jsgf_internal.h:82
jsgf_link_s::to
int to
To state.
Definition: jsgf_internal.h:110
gnode_s
A node in a generic list.
Definition: glist.h:100
jsgf_rule_s::entry
int entry
Entry state for current instance of this rule.
Definition: jsgf_internal.h:92
jsgf_s::searchpath
glist_t searchpath
List of directories to search for grammars.
Definition: jsgf_internal.h:78
jsgf_s::name
char * name
Grammar name.
Definition: jsgf_internal.h:73
jsgf_rhs_s::alt
jsgf_rhs_t * alt
Linked list of alternates.
Definition: jsgf_internal.h:98
jsgf_s::rulestack
glist_t rulestack
Stack of currently expanded rules.
Definition: jsgf_internal.h:83
jsgf_rule_s::exit
int exit
Exit state for current instance of this rule.
Definition: jsgf_internal.h:93
jsgf_s::nstate
int nstate
Number of generated states.
Definition: jsgf_internal.h:81
jsgf_s::charset
char * charset
JSGF charset (default UTF-8)
Definition: jsgf_internal.h:71
hash_table_t
Definition: hash_table.h:159
jsgf_rule_s
Definition: jsgf_internal.h:86
jsgf_rule_s::rhs
jsgf_rhs_t * rhs
Expansion.
Definition: jsgf_internal.h:90
jsgf_rule_s::name
char * name
Rule name (NULL for an alternation/grouping)
Definition: jsgf_internal.h:88
jsgf_rule_s::refcnt
int refcnt
Reference count.
Definition: jsgf_internal.h:87
glist.h
Generic linked-lists maintenance.
jsgf_link_s::atom
jsgf_atom_t * atom
Name, tags, weight.
Definition: jsgf_internal.h:108
jsgf_s::version
char * version
JSGF version (from header)
Definition: jsgf_internal.h:70
jsgf_rhs_s::atoms
glist_t atoms
Sequence of items.
Definition: jsgf_internal.h:97
jsgf_s::parent
jsgf_t * parent
Parent grammar (if this is an imported one)
Definition: jsgf_internal.h:77
jsgf_atom_s::name
char * name
Rule or token name.
Definition: jsgf_internal.h:102
jsgf_link_s::from
int from
From state.
Definition: jsgf_internal.h:109
jsgf.h
JSGF grammar compiler.
jsgf_s::rules
hash_table_t * rules
Defined or imported rules in this grammar.
Definition: jsgf_internal.h:75
hash_table.h
Hash table implementation.
jsgf_s::locale
char * locale
JSGF locale (default C)
Definition: jsgf_internal.h:72
jsgf_atom_s
Definition: jsgf_internal.h:101
logmath.h
Fast integer logarithmic addition operations.
jsgf_atom_s::weight
float weight
Weight (default 1)
Definition: jsgf_internal.h:104
jsgf_s::imports
hash_table_t * imports
Pointers to imported grammars.
Definition: jsgf_internal.h:76