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-rw-r--r--src/check_expr.cpp139
1 files changed, 107 insertions, 32 deletions
diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index 5574827d5..ac3886268 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -34,6 +34,7 @@ gb_global char const *CallArgumentError_strings[CallArgumentError_MAX] = {
"ParameterMissing",
"DuplicateParameter",
"NoneConstantParameter",
+ "OutOfOrderParameters",
};
@@ -95,7 +96,7 @@ gb_internal void check_stmt (CheckerContext *c, Ast *nod
gb_internal void check_stmt_list (CheckerContext *c, Slice<Ast *> const &stmts, u32 flags);
gb_internal void check_init_constant (CheckerContext *c, Entity *e, Operand *operand);
gb_internal bool check_representable_as_constant(CheckerContext *c, ExactValue in_value, Type *type, ExactValue *out_value);
-gb_internal bool check_procedure_type (CheckerContext *c, Type *type, Ast *proc_type_node, Array<Operand> *operands = nullptr);
+gb_internal bool check_procedure_type (CheckerContext *c, Type *type, Ast *proc_type_node, Array<Operand> const *operands = nullptr);
gb_internal void check_struct_type (CheckerContext *c, Type *struct_type, Ast *node, Array<Operand> *poly_operands,
Type *named_type = nullptr, Type *original_type_for_poly = nullptr);
gb_internal void check_union_type (CheckerContext *c, Type *union_type, Ast *node, Array<Operand> *poly_operands,
@@ -338,7 +339,7 @@ gb_internal void check_scope_decls(CheckerContext *c, Slice<Ast *> const &nodes,
}
gb_internal bool find_or_generate_polymorphic_procedure(CheckerContext *old_c, Entity *base_entity, Type *type,
- Array<Operand> *param_operands, Ast *poly_def_node, PolyProcData *poly_proc_data) {
+ Array<Operand> const *param_operands, Ast *poly_def_node, PolyProcData *poly_proc_data) {
///////////////////////////////////////////////////////////////////////////////
// //
// TODO CLEANUP(bill): This procedure is very messy and hacky. Clean this!!! //
@@ -605,7 +606,7 @@ gb_internal bool check_polymorphic_procedure_assignment(CheckerContext *c, Opera
return find_or_generate_polymorphic_procedure(c, base_entity, type, nullptr, poly_def_node, poly_proc_data);
}
-gb_internal bool find_or_generate_polymorphic_procedure_from_parameters(CheckerContext *c, Entity *base_entity, Array<Operand> *operands, Ast *poly_def_node, PolyProcData *poly_proc_data) {
+gb_internal bool find_or_generate_polymorphic_procedure_from_parameters(CheckerContext *c, Entity *base_entity, Array<Operand> const *operands, Ast *poly_def_node, PolyProcData *poly_proc_data) {
return find_or_generate_polymorphic_procedure(c, base_entity, nullptr, operands, poly_def_node, poly_proc_data);
}
@@ -5337,6 +5338,8 @@ gb_internal isize lookup_procedure_parameter(Type *type, String const &parameter
gb_internal CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
+ TEMPORARY_ALLOCATOR_GUARD();
+
CallArgumentError err = CallArgumentError_None;
ast_node(ce, CallExpr, call);
@@ -5371,8 +5374,19 @@ gb_internal CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
}
if (ce->split_args) {
- auto ordered_operands = array_make<Operand>(temporary_allocator(), pt->param_count);
auto visited = slice_make<bool>(temporary_allocator(), pt->param_count);
+ auto ordered_operands = array_make<Operand>(temporary_allocator(), pt->param_count);
+ defer ({
+ for (Operand const &o : ordered_operands) {
+ if (o.expr != nullptr) {
+ call->viral_state_flags |= o.expr->viral_state_flags;
+ }
+ }
+ });
+
+ if (check_order_of_call_arguments(c, proc_type, call, show_error)) {
+ return CallArgumentError_OutOfOrderParameters;
+ }
isize positional_operand_count = positional_operands.count;
if (variadic) {
@@ -5449,11 +5463,36 @@ gb_internal CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
err = CallArgumentError_DuplicateParameter;
} else {
visited[pt->variadic_index] = true;
+
+ if (vari_expand) {
+ GB_ASSERT(variadic_operands.count != 0);
+ ordered_operands[pt->variadic_index] = variadic_operands[0];
+ } else {
+ AstFile *f = call->file();
+
+ // HACK(bill): this is an awful hack
+ Operand o = {};
+ o.mode = Addressing_Value;
+ o.expr = ast_ident(f, make_token_ident("nil"));
+ o.expr->Ident.token.pos = ast_token(call).pos;
+ if (variadic_operands.count != 0) {
+ o.expr->Ident.token.pos = ast_token(variadic_operands[0].expr).pos;
+
+ Entity *vt = pt->params->Tuple.variables[pt->variadic_index];
+ if (is_type_polymorphic(vt->type)) {
+ o.type = alloc_type_slice(default_type(variadic_operands[0].type));
+ } else {
+ o.type = vt->type;
+ }
+ } else {
+ o.type = t_untyped_nil;
+ }
+ ordered_operands[pt->variadic_index] = o;
+ }
}
}
-
for (Operand const &o : ordered_operands) {
if (o.mode != Addressing_Invalid) {
check_no_copy_assignment(o, str_lit("procedure call expression"));
@@ -5508,44 +5547,23 @@ gb_internal CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
gen_entity = poly_proc_data.gen_entity;
Type *gept = base_type(gen_entity->type);
GB_ASSERT(is_type_proc(gept));
- proc_type = gept;
+ final_proc_type = gen_entity->type;
pt = &gept->Proc;
+
} else {
err = CallArgumentError_WrongTypes;
}
}
for (isize i = 0; i < pt->param_count; i++) {
- Entity *e = pt->params->Tuple.variables[i];
Operand *o = &ordered_operands[i];
- bool param_is_variadic = pt->variadic && pt->variadic_index == i;
-
if (o->mode == Addressing_Invalid) {
- if (param_is_variadic) {
- Type *slice = e->type;
- GB_ASSERT(is_type_slice(slice));
- Type *elem = base_type(slice)->Slice.elem;
-
- if (variadic_operands.count == 0) {
- if (is_type_polymorphic(elem)) {
- error(call, "Ambiguous call to a polymorphic variadic procedure with no variadic input");
- err = CallArgumentError_AmbiguousPolymorphicVariadic;
- return err;
- }
- } else {
- if (vari_expand) {
- GB_ASSERT(variadic_operands.count == 1);
- check_assignment(c, &variadic_operands[0], slice, str_lit("variadic expanded argument"));
- } else {
- for (Operand &vo : variadic_operands) {
- check_assignment(c, &vo, elem, str_lit("variadic argument"));
- }
- }
- }
- }
continue;
}
+ Entity *e = pt->params->Tuple.variables[i];
+ bool param_is_variadic = pt->variadic && pt->variadic_index == i;
+
if (e->kind == Entity_TypeName) {
GB_ASSERT(pt->is_polymorphic);
if (o->mode != Addressing_Type) {
@@ -5563,6 +5581,11 @@ gb_internal CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
i64 s = 0;
if (!check_is_assignable_to_with_score(c, o, e->type, &s, param_is_variadic)) {
bool ok = false;
+ if (e->flags & EntityFlag_AnyInt) {
+ if (is_type_integer(e->type)) {
+ ok = check_is_castable_to(c, o, e->type);
+ }
+ }
if (ok) {
s = assign_score_function(MAXIMUM_TYPE_DISTANCE);
} else {
@@ -5589,6 +5612,57 @@ gb_internal CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
if (o->mode == Addressing_Type && is_type_typeid(e->type)) {
add_type_info_type(c, o->type);
add_type_and_value(c, o->expr, Addressing_Value, e->type, exact_value_typeid(o->type));
+ } else if (show_error && is_type_untyped(o->type)) {
+ update_untyped_expr_type(c, o->expr, e->type, true);
+ }
+ }
+ }
+
+ if (variadic) {
+ Type *slice = pt->params->Tuple.variables[pt->variadic_index]->type;
+ GB_ASSERT(is_type_slice(slice));
+ Type *elem = base_type(slice)->Slice.elem;
+ Type *t = elem;
+
+ if (is_type_polymorphic(t)) {
+ error(call, "Ambiguous call to a polymorphic variadic procedure with no variadic input %s", type_to_string(final_proc_type));
+ err = CallArgumentError_AmbiguousPolymorphicVariadic;
+ }
+
+ for_array(operand_index, variadic_operands) {
+ Operand &o = variadic_operands[operand_index];
+ if (vari_expand) {
+ t = slice;
+ if (operand_index > 0) {
+ if (show_error) {
+ error(o.expr, "'..' in a variadic procedure can only have one variadic argument at the end");
+ }
+ if (data) {
+ data->score = score;
+ data->result_type = final_proc_type->Proc.results;
+ data->gen_entity = gen_entity;
+ }
+ return CallArgumentError_MultipleVariadicExpand;
+ }
+ }
+ i64 s = 0;
+ if (!check_is_assignable_to_with_score(c, &o, t, &s, true)) {
+ if (show_error) {
+ check_assignment(c, &o, t, str_lit("variadic argument"));
+ }
+ err = CallArgumentError_WrongTypes;
+ } else if (show_error) {
+ check_assignment(c, &o, t, str_lit("variadic argument"));
+ }
+ score += s;
+ if (is_type_any(elem)) {
+ add_type_info_type(c, o.type);
+ }
+ if (o.mode == Addressing_Type && is_type_typeid(t)) {
+ add_type_info_type(c, o.type);
+ add_type_and_value(c, o.expr, Addressing_Value, t, exact_value_typeid(o.type));
+ } else if (show_error && is_type_untyped(o.type)) {
+ update_untyped_expr_type(c, o.expr, t, true);
}
}
}
@@ -6756,6 +6830,7 @@ gb_internal CallArgumentData check_call_arguments_new_and_improved_proc_group(Ch
add_entity_use(c, ident, entity_to_use);
if (entity_to_use != nullptr) {
update_untyped_expr_type(c, operand->expr, entity_to_use->type, true);
+ add_type_and_value(c, operand->expr, operand->mode, entity_to_use->type, operand->value);
}
if (data.gen_entity != nullptr) {
@@ -6950,7 +7025,7 @@ gb_internal CallArgumentData check_call_arguments(CheckerContext *c, Operand *op
break;
}
}
- if (all_non_poly) {
+ if (true) {
return check_call_arguments_new_and_improved(c, operand, call);
}
} else {