mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 08:50:10 +01:00
Jon Ross-Perkins
1c748c0f14
Continuing along with #3070. Note this is just a file rename, with BUILD edits; every file previously in semantics/ should show as moved (except maybe BUILDs, which split).
83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#include "toolchain/check/context.h"
|
|
#include "toolchain/sem_ir/node.h"
|
|
|
|
namespace Carbon::Check {
|
|
|
|
auto HandleCallExpression(Context& context, Parse::Node parse_node) -> bool {
|
|
auto refs_id = context.ParamOrArgEnd(
|
|
/*for_args=*/true, Parse::NodeKind::CallExpressionStart);
|
|
|
|
// TODO: Convert to call expression.
|
|
auto [call_expr_parse_node, name_id] =
|
|
context.node_stack()
|
|
.PopWithParseNode<Parse::NodeKind::CallExpressionStart>();
|
|
auto name_node = context.semantics_ir().GetNode(name_id);
|
|
if (name_node.kind() != SemIR::NodeKind::FunctionDeclaration) {
|
|
// TODO: Work on error.
|
|
context.TODO(parse_node, "Not a callable name");
|
|
context.node_stack().Push(parse_node, name_id);
|
|
return true;
|
|
}
|
|
|
|
auto function_id = name_node.GetAsFunctionDeclaration();
|
|
const auto& callable = context.semantics_ir().GetFunction(function_id);
|
|
|
|
CARBON_DIAGNOSTIC(NoMatchingCall, Error, "No matching callable was found.");
|
|
auto diagnostic =
|
|
context.emitter().Build(call_expr_parse_node, NoMatchingCall);
|
|
if (!context.ImplicitAsForArgs(refs_id, name_node.parse_node(),
|
|
callable.param_refs_id, &diagnostic)) {
|
|
diagnostic.Emit();
|
|
context.node_stack().Push(parse_node, SemIR::NodeId::BuiltinError);
|
|
return true;
|
|
}
|
|
|
|
CARBON_CHECK(context.ImplicitAsForArgs(refs_id, name_node.parse_node(),
|
|
callable.param_refs_id,
|
|
/*diagnostic=*/nullptr));
|
|
|
|
// For functions with an implicit return type, the return type is the empty
|
|
// tuple type.
|
|
SemIR::TypeId type_id = callable.return_type_id;
|
|
if (!type_id.is_valid()) {
|
|
type_id = context.CanonicalizeTupleType(call_expr_parse_node, {});
|
|
}
|
|
|
|
// If there is a return slot, add a corresponding argument.
|
|
if (callable.return_slot_id.is_valid()) {
|
|
if (refs_id == SemIR::NodeBlockId::Empty) {
|
|
refs_id = context.semantics_ir().AddNodeBlock();
|
|
}
|
|
// Tentatively put storage for a temporary in the function's return slot.
|
|
// This will be replaced if necessary when we perform initialization.
|
|
auto return_slot_id = context.AddNode(SemIR::Node::TemporaryStorage::Make(
|
|
call_expr_parse_node, callable.return_type_id));
|
|
context.semantics_ir().GetNodeBlock(refs_id).push_back(return_slot_id);
|
|
}
|
|
auto call_node_id = context.AddNode(SemIR::Node::Call::Make(
|
|
call_expr_parse_node, type_id, refs_id, function_id));
|
|
|
|
context.node_stack().Push(parse_node, call_node_id);
|
|
return true;
|
|
}
|
|
|
|
auto HandleCallExpressionComma(Context& context, Parse::Node /*parse_node*/)
|
|
-> bool {
|
|
context.ParamOrArgComma(/*for_args=*/true);
|
|
return true;
|
|
}
|
|
|
|
auto HandleCallExpressionStart(Context& context, Parse::Node parse_node)
|
|
-> bool {
|
|
auto name_id = context.node_stack().PopExpression();
|
|
context.node_stack().Push(parse_node, name_id);
|
|
context.ParamOrArgStart();
|
|
return true;
|
|
}
|
|
|
|
} // namespace Carbon::Check
|