mirror of
https://github.com/GrammaticalFramework/gf-core.git
synced 2026-04-10 13:29:32 -06:00
66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
#ifndef GFCC_TERM_H
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#define GFCC_TERM_H
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#include <stdio.h>
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typedef enum {
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/* size = variable */
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TERM_ARRAY,
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TERM_SEQUENCE,
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TERM_VARIANTS,
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TERM_GLUE,
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/* size = 2 */
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TERM_RECORD_PARAM,
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TERM_SUFFIX_TABLE,
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/* size = 0 */
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TERM_META,
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TERM_STRING,
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TERM_INTEGER
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} TermType;
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struct Term_ {
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TermType type;
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union {
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const char *string_value;
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int integer_value;
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int size;
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} value;
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struct Term_ *args[0];
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};
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typedef struct Term_ Term;
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static inline Term *term_get_child(Term *t, int n) {
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return t->args[n];
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}
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static inline void term_set_child(Term *t, int n, Term *c) {
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t->args[n] = c;
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}
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extern void term_alloc_pool(size_t size);
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extern void term_free_pool();
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extern void *term_alloc(size_t size);
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extern Term *term_array(int n, ...);
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extern Term *term_seq(int n, ...);
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extern Term *term_variants(int n, ...);
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extern Term *term_glue(int n, ...);
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extern Term *term_rp(Term *t1, Term *t2);
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extern Term *term_suffix(const char *pref, Term *suf);
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extern Term *term_str(const char *s);
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extern Term *term_int(int i);
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extern Term *term_meta();
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extern Term *term_sel_int(Term *t, int i);
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extern Term *term_sel(Term *t1, Term *t2);
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extern void term_print(FILE *stream, Term *t);
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#endif
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