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ast_local_codegen - similar structure to global_codegen obviously...

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Wolfgang (Blub) Bumiller 2012-05-02 18:34:24 +02:00
parent 7a48377442
commit 92a4431c86
1 changed files with 52 additions and 1 deletions
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53
ast.c
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@ -297,7 +297,10 @@ void ast_function_delete(ast_function *self)
}
/*********************************************************************/
/* AST codegen aprt
/* AST codegen part
* by convention you must never pass NULL to the 'ir_value **out'
* parameter. If you really don't care about the output, pass a dummy.
* But I can't imagine a pituation where the output is truly unnecessary.
*/
bool ast_value_codegen(ast_value *self, ast_function *func, bool lvalue, ir_value **out)
@ -368,6 +371,54 @@ error: /* clean up */
return false;
}
bool ast_local_codegen(ast_value *self, ir_function *func)
{
ir_value *v = NULL;
if (self->isconst && self->vtype == TYPE_FUNCTION)
{
/* Do we allow local functions? I think not...
* this is NOT a function pointer atm.
*/
return false;
}
v = ir_function_create_local(func, self->name, self->vtype);
if (!v)
return false;
/* A constant local... hmmm...
* I suppose the IR will have to deal with this
*/
if (self->isconst) {
switch (self->vtype)
{
case TYPE_FLOAT:
if (!ir_value_set_float(v, self->constval.vfloat))
goto error;
break;
case TYPE_VECTOR:
if (!ir_value_set_vector(v, self->constval.vvec))
goto error;
break;
case TYPE_STRING:
if (!ir_value_set_string(v, self->constval.vstring))
goto error;
break;
default:
printf("TODO: global constant type %i\n", self->vtype);
break;
}
}
/* link us to the ir_value */
self->ir_v = v;
return true;
error: /* clean up */
ir_value_delete(v);
return false;
}
bool ast_function_codegen(ast_function *self, ir_builder *ir)
{
if (!self->ir_func) {