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mesa/program: Add _mesa_symbol_table_replace_symbol()

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This function allows to modify an existing symbol.

v2:
- Remove namespace usage now that it was deleted.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
This commit is contained in:
Samuel Iglesias Gonsálvez 2016-10-20 09:04:59 +02:00
parent 2e423ca147
commit dfbdb2c0b3
2 changed files with 18 additions and 0 deletions
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14
src/mesa/program/symbol_table.c
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@ -211,6 +211,20 @@ _mesa_symbol_table_add_symbol(struct _mesa_symbol_table *table,
return 0;
}
int
_mesa_symbol_table_replace_symbol(struct _mesa_symbol_table *table,
const char *name,
void *declaration)
{
struct symbol *sym = find_symbol(table, name);
/* If the symbol doesn't exist, it cannot be replaced. */
if (sym == NULL)
return -1;
sym->data = declaration;
return 0;
}
int
_mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *table,

4
src/mesa/program/symbol_table.h
View file

@ -32,6 +32,10 @@ extern void _mesa_symbol_table_pop_scope(struct _mesa_symbol_table *table);
extern int _mesa_symbol_table_add_symbol(struct _mesa_symbol_table *symtab,
const char *name, void *declaration);
extern int _mesa_symbol_table_replace_symbol(struct _mesa_symbol_table *table,
const char *name,
void *declaration);
extern int
_mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *symtab,
const char *name,