typedef enum {
PARAMETER_LIST_NO_MATCH,
PARAMETER_LIST_EXACT_MATCH,
- PARAMETER_LIST_INEXACT_MATCH, /*< Match requires implicit conversion. */
+ PARAMETER_LIST_INEXACT_MATCH /*< Match requires implicit conversion. */
} parameter_list_match_t;
-/**
- * \brief Check if two parameter lists match.
- *
- * \param list_a Parameters of the function definition.
- * \param list_b Actual parameters passed to the function.
- * \see matching_signature()
- */
-
/**
* \brief Check if two parameter lists match.
*
const ir_variable *const param = (ir_variable *) node_a;
- const ir_instruction *const actual = (ir_instruction *) node_b;
+ const ir_rvalue *const actual = (ir_rvalue *) node_b;
if (param->type == actual->type)
continue;
/* Try to find an implicit conversion from actual to param. */
inexact_match = true;
- switch ((enum ir_variable_mode)(param->mode)) {
+ switch ((enum ir_variable_mode)(param->data.mode)) {
case ir_var_auto:
case ir_var_uniform:
case ir_var_temporary:
return PARAMETER_LIST_NO_MATCH;
case ir_var_const_in:
- case ir_var_in:
+ case ir_var_function_in:
if (!actual->type->can_implicitly_convert_to(param->type))
return PARAMETER_LIST_NO_MATCH;
break;
- case ir_var_out:
+ case ir_var_function_out:
if (!param->type->can_implicitly_convert_to(actual->type))
return PARAMETER_LIST_NO_MATCH;
break;
- case ir_var_inout:
+ case ir_var_function_inout:
/* Since there are no bi-directional automatic conversions (e.g.,
* there is int -> float but no float -> int), inout parameters must
* be exact matches.
ir_function_signature *
-ir_function::matching_signature(const exec_list *actual_parameters)
+ir_function::matching_signature(_mesa_glsl_parse_state *state,
+ const exec_list *actual_parameters)
+{
+ bool is_exact;
+ return matching_signature(state, actual_parameters, &is_exact);
+}
+
+ir_function_signature *
+ir_function::matching_signature(_mesa_glsl_parse_state *state,
+ const exec_list *actual_parameters,
+ bool *is_exact)
{
ir_function_signature *match = NULL;
bool multiple_inexact_matches = false;
* multiple ways to apply these conversions to the actual arguments of a
* call such that the call can be made to match multiple signatures."
*/
- foreach_iter(exec_list_iterator, iter, signatures) {
- ir_function_signature *const sig =
- (ir_function_signature *) iter.get();
+ foreach_list(n, &this->signatures) {
+ ir_function_signature *const sig = (ir_function_signature *) n;
+
+ /* Skip over any built-ins that aren't available in this shader. */
+ if (sig->is_builtin() && !sig->is_builtin_available(state))
+ continue;
switch (parameter_lists_match(& sig->parameters, actual_parameters)) {
case PARAMETER_LIST_EXACT_MATCH:
+ *is_exact = true;
return sig;
case PARAMETER_LIST_INEXACT_MATCH:
if (match == NULL)
* FINISHME: a "no matching signature" error; it should report that the
* FINISHME: call is ambiguous. But reporting errors from here is hard.
*/
+ *is_exact = false;
+
if (multiple_inexact_matches)
return NULL;
}
ir_function_signature *
-ir_function::exact_matching_signature(const exec_list *actual_parameters)
+ir_function::exact_matching_signature(_mesa_glsl_parse_state *state,
+ const exec_list *actual_parameters)
{
- foreach_iter(exec_list_iterator, iter, signatures) {
- ir_function_signature *const sig =
- (ir_function_signature *) iter.get();
+ foreach_list(n, &this->signatures) {
+ ir_function_signature *const sig = (ir_function_signature *) n;
+
+ /* Skip over any built-ins that aren't available in this shader. */
+ if (sig->is_builtin() && !sig->is_builtin_available(state))
+ continue;
if (parameter_lists_match_exact(&sig->parameters, actual_parameters))
return sig;