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add API for pretty-printing for grammar symbols and symbol sequences

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This commit is contained in:
Sven M. Hallberg 2013-05-23 23:35:10 +02:00
parent f6983a5041
commit 748845ca0c
3 changed files with 19 additions and 15 deletions
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9
src/backends/llk.c
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@ -164,9 +164,6 @@ static void stringmap_merge(HHashSet *workset, HCFStringMap *dst, HCFStringMap *
}
}
void pprint_sequence(FILE *f, const HCFGrammar *g, const HCFSequence *seq);
void pprint_symbol(FILE *f, const HCFGrammar *g, const HCFChoice *x);
/* Generate entries for the production "A" in the given table row. */
static int fill_table_row(size_t kmax, HCFGrammar *g, HCFStringMap *row,
const HCFChoice *A)
@ -206,8 +203,8 @@ static int fill_table_row(size_t kmax, HCFGrammar *g, HCFStringMap *row,
// XXX debug
if(A == g->start) {
printf("predict(");
pprint_sequence(stdout, g, rhs);
printf(" ) = ");
h_pprint_sequence(stdout, g, rhs);
printf(") = ");
h_pprint_stringset(stdout, g, pred, 0);
}
}
@ -215,7 +212,7 @@ static int fill_table_row(size_t kmax, HCFGrammar *g, HCFStringMap *row,
// XXX debug
if(A == g->start) {
printf("row(");
pprint_symbol(stdout, g, A);
h_pprint_symbol(stdout, g, A);
printf(") = ");
h_pprint_stringset(stdout, g, row, 0);
}