Files
carbon-lang/toolchain/check/operator.cpp
T
Jon Ross-Perkins efab39cbd9 Remove InstId::Builtin members (#4632)
- `InstId::Builtin<Inst>` -> `<Inst>::SingletonInstId`
- `InstId::PackageNamespace` -> `Namespace::PackageInstId`
2024-12-05 18:13:46 +00:00

69 lines
2.6 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/operator.h"
#include "toolchain/check/call.h"
#include "toolchain/check/context.h"
#include "toolchain/check/generic.h"
#include "toolchain/check/member_access.h"
#include "toolchain/sem_ir/ids.h"
#include "toolchain/sem_ir/typed_insts.h"
namespace Carbon::Check {
// Returns the `Op` function for the specified operator.
static auto GetOperatorOpFunction(Context& context, SemIR::LocId loc_id,
Operator op) -> SemIR::InstId {
// Look up the interface, and pass it any generic arguments.
auto interface_id = context.LookupNameInCore(loc_id, op.interface_name);
if (!op.interface_args_ref.empty()) {
interface_id =
PerformCall(context, loc_id, interface_id, op.interface_args_ref);
}
// Look up the interface member.
auto op_name_id =
SemIR::NameId::ForIdentifier(context.identifiers().Add(op.op_name));
return PerformMemberAccess(context, loc_id, interface_id, op_name_id);
}
auto BuildUnaryOperator(Context& context, SemIR::LocId loc_id, Operator op,
SemIR::InstId operand_id,
Context::BuildDiagnosticFn missing_impl_diagnoser)
-> SemIR::InstId {
// Look up the operator function.
auto op_fn = GetOperatorOpFunction(context, loc_id.ToImplicit(), op);
// Form `operand.(Op)`.
auto bound_op_id = PerformCompoundMemberAccess(context, loc_id, operand_id,
op_fn, missing_impl_diagnoser);
if (bound_op_id == SemIR::ErrorInst::SingletonInstId) {
return SemIR::ErrorInst::SingletonInstId;
}
// Form `bound_op()`.
return PerformCall(context, loc_id, bound_op_id, {});
}
auto BuildBinaryOperator(Context& context, SemIR::LocId loc_id, Operator op,
SemIR::InstId lhs_id, SemIR::InstId rhs_id,
Context::BuildDiagnosticFn missing_impl_diagnoser)
-> SemIR::InstId {
// Look up the operator function.
auto op_fn = GetOperatorOpFunction(context, loc_id.ToImplicit(), op);
// Form `lhs.(Op)`.
auto bound_op_id = PerformCompoundMemberAccess(context, loc_id, lhs_id, op_fn,
missing_impl_diagnoser);
if (bound_op_id == SemIR::ErrorInst::SingletonInstId) {
return SemIR::ErrorInst::SingletonInstId;
}
// Form `bound_op(rhs)`.
return PerformCall(context, loc_id, bound_op_id, {rhs_id});
}
} // namespace Carbon::Check