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ir_reader: Don't emit ir_function multiple times.

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This commit is contained in:
Kenneth Graunke
2010-07-07 15:23:27 -07:00
committed by Eric Anholt
parent 35c89204e5
commit e024c5c690
1 changed files with 8 additions and 8 deletions
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16
src/glsl/ir_reader.cpp
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@@ -192,6 +192,7 @@ static ir_function *
read_function(_mesa_glsl_parse_state *st, s_list *list, bool skip_body)
{
void *ctx = st;
bool added = false;
if (list->length() < 3) {
ir_read_error(st, list, "Expected (function <name> (signature ...) ...)");
return NULL;
@@ -206,7 +207,7 @@ read_function(_mesa_glsl_parse_state *st, s_list *list, bool skip_body)
ir_function *f = st->symbols->get_function(name->value());
if (f == NULL) {
f = new(ctx) ir_function(name->value());
bool added = st->symbols->add_function(f->name, f);
added = st->symbols->add_function(f->name, f);
assert(added);
}
@@ -228,7 +229,7 @@ read_function(_mesa_glsl_parse_state *st, s_list *list, bool skip_body)
read_function_sig(st, f, siglist, skip_body);
}
return f;
return added ? f : NULL;
}
static void
@@ -321,11 +322,8 @@ read_instructions(_mesa_glsl_parse_state *st, exec_list *instructions,
foreach_iter(exec_list_iterator, it, list->subexpressions) {
s_expression *sub = (s_expression*) it.get();
ir_instruction *ir = read_instruction(st, sub, loop_ctx);
if (ir == NULL) {
ir_read_error(st, sub, "Invalid instruction.\n");
return;
}
instructions->push_tail(ir);
if (ir != NULL)
instructions->push_tail(ir);
}
}
@@ -344,8 +342,10 @@ read_instruction(_mesa_glsl_parse_state *st, s_expression *expr,
}
s_list *list = SX_AS_LIST(expr);
if (list == NULL || list->subexpressions.is_empty())
if (list == NULL || list->subexpressions.is_empty()) {
ir_read_error(st, expr, "Invalid instruction.\n");
return NULL;
}
s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.get_head());
if (tag == NULL) {