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Inlined create_rule

This commit is contained in:
Devine Lu Linvega 2024-04-21 09:24:05 -07:00
parent 73e9ebcfdd
commit 05e620bac5
1 changed files with 8 additions and 14 deletions
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22
src/modal.c
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@ -168,15 +168,6 @@ parse_frag(char *s)
return s; return s;
} }
static char *
create_rule(Rule *r, int id, char *s)
{
r->id = id, s += 2;
r->a = dict_, s = parse_frag(s);
r->b = dict_, s = parse_frag(s);
return s;
}
static int static int
rewrite(void) rewrite(void)
{ {
@ -186,14 +177,17 @@ rewrite(void)
if(spacer(last)) { if(spacer(last)) {
Rule *r; Rule *r;
if(c == '<' && s[1] == '>') { if(c == '<' && s[1] == '>') {
r = rules_++; r = rules_++, r->id = rules_ - rules - 1;
s = create_rule(r, rules_ - rules - 1, s); r->a = dict_, s = parse_frag(s + 2);
r->b = dict_, s = parse_frag(s);
while(*s == ' ') s++; while(*s == ' ') s++;
return commit_rule(r, s, 1); return commit_rule(r, s, 1);
} }
if(c == '?' && s[1] == '(') { if(c == '?' && s[1] == '(') {
r = &lambda, cap = walk(s + 1); cap = walk(s + 1);
create_rule(&lambda, -1, s), s = cap; r = &lambda, r->id = -1;
r->a = dict_, s = parse_frag(s + 2);
r->b = dict_, parse_frag(s), s = cap;
while(*s == ' ') s++; while(*s == ' ') s++;
if((res = match_rule(&lambda, s)) != NULL) if((res = match_rule(&lambda, s)) != NULL)
return write_rule(&lambda, res); return write_rule(&lambda, res);
@ -219,7 +213,7 @@ main(int argc, char **argv)
return !printf("usage: modal [-vqn] source.modal\n"); return !printf("usage: modal [-vqn] source.modal\n");
for(i = 1; i < argc && *argv[i] == '-'; i++) { for(i = 1; i < argc && *argv[i] == '-'; i++) {
switch(argv[i][1]) { switch(argv[i][1]) {
case 'v': /* version */ return !printf("Modal Interpreter, 20 Apr 2024.\n"); case 'v': /* version */ return !printf("Modal Interpreter, 21 Apr 2024.\n");
case 'q': /* quiet */ fclose(stderr); break; case 'q': /* quiet */ fclose(stderr); break;
case 'n': /* infinite */ cycles = 0xffffffff; break; case 'n': /* infinite */ cycles = 0xffffffff; break;
} }