From 6b8a3f262f419cd3bfcb3dff2676bea3278c3532 Mon Sep 17 00:00:00 2001
From: Mikael Vejdemo-Johansson <michiexile@gmail.com>
Date: Tue, 7 Apr 2015 22:14:32 +0200
Subject: [PATCH] polished generating function code more
---
examples/explore_singular.c | 92 -------------------------------------
1 file changed, 92 deletions(-)
diff --git a/examples/explore_singular.c b/examples/explore_singular.c
index 3c751451..5127c7c4 100644
--- a/examples/explore_singular.c
+++ b/examples/explore_singular.c
@@ -10,98 +10,6 @@
#include "../src/backends/lr.h"
#include <stdio.h>
-void h_pprint_gfexpr(FILE *file, const HCFGrammar *g, HCFSequence *seq) {
- HCFChoice **x = seq->items;
-
- if (*x == NULL) { // empty sequence
- fprintf(file, "1\n");
- } else {
- while (*x) {
- if (x != seq->items) {
- fprintf(file, " + ");
- }
- // consume items
- // if a string,
- // count its length
- // output t^length
-
- if ((*x)->type == HCF_CHAR) {
- uint32_t count = 0;
- for(; *x; x++, count++) {
- if ((*x)->type != HCF_CHAR) {
- break;
- }
- }
- fprintf(file, "t^%d", count);
- } else {
- uint32_t count=0, n, i=0;
- switch((*x)->type) {
- case HCF_CHAR:
- // should not be possible
- break;
- case HCF_END:
- // does not generate any output symbols: value 0
- break;
- case HCF_CHARSET:
- for(i=0; i<256; i++) {
- if (charset_isset((*x)->charset, i)) {
- count++;
- }
- }
- fprintf(file, "%d*t", count);
- break;
- default:
- n = (uint8_t)(uintptr_t)h_hashtable_get(g->nts, x);
-
- fprintf(file, "%c(t)", 'A'+n);
- }
- x++;
- }
- }
- }
-}
-
-
-void h_pprint_gfeqns_NOTUSED(FILE *file, const HCFGrammar *g) {
- if (g->nts->used < 1) {
- return;
- }
-
- // determine maximum string length of symbol names
- int len;
- size_t s;
- for(len=1, s=26; s < g->nts->used; len++, s*=26);
-
- // iterate over g->nts
- size_t i;
- HHashTableEntry *hte;
- for(i=0; i < g->nts->capacity; i++) {
- for(hte = &g->nts->contents[i]; hte; hte = hte->next) {
- if (hte->key == NULL) {
- continue;
- }
- const HCFChoice *lhs = hte->key; // production's left-hand symbol
- assert(lhs->type == HCF_CHOICE);
-
- uint8_t n = (uint8_t)(uintptr_t)h_hashtable_get(g->nts, lhs);
- fprintf(file, "%c(t) = ", 'A'+n);
-
- HCFSequence **p = lhs->seq;
- if (*p == NULL) {
- return; // shouldn't happen
- }
-
- h_pprint_gfexpr(file, g, *p);
- for(; *p; p++) {
- fprintf(file, "\t");
- h_pprint_gfexpr(file, g, *p);
- fprintf(file, "\n");
- }
- }
- }
-}
-
-
static const char *nonterminal_name(const HCFGrammar *g, const HCFChoice *nt)
{
static char buf[16] = {0}; // 14 characters in base 26 are enough for 64 bits
--
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