mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Dana Jansens
c38e723dd8
These constant instructions are all TypeInstId already in their type, and this makes their names match. Change the name of MakeSingletonInstId as well and update its comment.
62 lines
2.1 KiB
C++
62 lines
2.1 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/check/convert.h"
|
|
#include "toolchain/check/handle.h"
|
|
#include "toolchain/check/inst.h"
|
|
#include "toolchain/check/type.h"
|
|
#include "toolchain/parse/node_kind.h"
|
|
|
|
namespace Carbon::Check {
|
|
|
|
auto HandleParseNode(Context& /*context*/,
|
|
Parse::ArrayExprOpenParenId /*node_id*/) -> bool {
|
|
return true;
|
|
}
|
|
|
|
auto HandleParseNode(Context& /*context*/,
|
|
Parse::ArrayExprKeywordId /*node_id*/) -> bool {
|
|
return true;
|
|
}
|
|
|
|
auto HandleParseNode(Context& /*context*/, Parse::ArrayExprCommaId /*node_id*/)
|
|
-> bool {
|
|
return true;
|
|
}
|
|
|
|
auto HandleParseNode(Context& context, Parse::ArrayExprId node_id) -> bool {
|
|
auto bound_inst_id = context.node_stack().PopExpr();
|
|
auto [element_type_node_id, element_type_inst_id] =
|
|
context.node_stack().PopExprWithNodeId();
|
|
|
|
auto element_type =
|
|
ExprAsType(context, element_type_node_id, element_type_inst_id);
|
|
|
|
// The array bound must be a constant. Diagnose this prior to conversion
|
|
// because conversion to `IntLiteral` will produce a generic "non-constant
|
|
// call to compile-time-only function" error.
|
|
//
|
|
// TODO: Should we support runtime-phase bounds in cases such as:
|
|
// comptime fn F(n: i32) -> type { return array(i32; n); }
|
|
if (!context.constant_values().Get(bound_inst_id).is_constant()) {
|
|
CARBON_DIAGNOSTIC(InvalidArrayExpr, Error, "array bound is not a constant");
|
|
context.emitter().Emit(bound_inst_id, InvalidArrayExpr);
|
|
context.node_stack().Push(node_id, SemIR::ErrorInst::InstId);
|
|
return true;
|
|
}
|
|
|
|
bound_inst_id = ConvertToValueOfType(
|
|
context, context.insts().GetLocId(bound_inst_id), bound_inst_id,
|
|
GetSingletonType(context, SemIR::IntLiteralType::TypeInstId));
|
|
AddInstAndPush<SemIR::ArrayType>(
|
|
context, node_id,
|
|
{.type_id = SemIR::TypeType::TypeId,
|
|
.bound_id = bound_inst_id,
|
|
.element_type_inst_id = element_type.inst_id});
|
|
return true;
|
|
}
|
|
|
|
} // namespace Carbon::Check
|