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allow compound macro expressions in eval system; poison used macro names, before descending

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This commit is contained in:
Ryan Fleury
2024-02-06 11:55:51 -08:00
parent 6296d2bd96
commit 86e332f2ef
3 changed files with 46 additions and 7 deletions
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src/eval/eval_core.c
+35 -1
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@@ -153,6 +153,40 @@ eval_string2expr_map_insert(Arena *arena, EVAL_String2ExprMap *map, String8 stri
existing_node->expr = expr;
}
internal void
eval_string2expr_map_inc_poison(EVAL_String2ExprMap *map, String8 string)
{
U64 hash = eval_hash_from_string(string);
U64 slot_idx = hash%map->slots_count;
for(EVAL_String2ExprMapNode *node = map->slots[slot_idx].first;
node != 0;
node = node->hash_next)
{
if(str8_match(node->string, string, 0))
{
node->poison_count += 1;
break;
}
}
}
internal void
eval_string2expr_map_dec_poison(EVAL_String2ExprMap *map, String8 string)
{
U64 hash = eval_hash_from_string(string);
U64 slot_idx = hash%map->slots_count;
for(EVAL_String2ExprMapNode *node = map->slots[slot_idx].first;
node != 0;
node = node->hash_next)
{
if(str8_match(node->string, string, 0) && node->poison_count > 0)
{
node->poison_count -= 1;
break;
}
}
}
internal EVAL_Expr *
eval_expr_from_string(EVAL_String2ExprMap *map, String8 string)
{
@@ -164,7 +198,7 @@ eval_expr_from_string(EVAL_String2ExprMap *map, String8 string)
EVAL_String2ExprMapNode *existing_node = 0;
for(EVAL_String2ExprMapNode *node = map->slots[slot_idx].first; node != 0; node = node->hash_next)
{
if(str8_match(node->string, string, 0))
if(str8_match(node->string, string, 0) && node->poison_count == 0)
{
existing_node = node;
break;