toolchain/check/handle_noop.cpp - trunk - githubmirror/carbon-lang

toolchain/check/handle_noop.cpp

37 строк1 KB

David Blaikie

Abort checking when encountering an invalid parse node (#4700)

18 дек 2024, 03:19

18 дек 2024, 03:194d0a6db

// 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/handle.h"

namespace Carbon::Check {

auto HandleParseNode(Context& /*context*/, Parse::EmptyDeclId /*node_id*/)
    -> bool {
  // Empty declarations have no actions associated.
  return true;
}

auto HandleParseNode(Context& /*context*/, Parse::InvalidParseId /*node_id*/)
    -> bool {
  CARBON_FATAL("Unreachable until we support checking error parse nodes");
}

auto HandleParseNode(Context& /*context*/,
                     Parse::InvalidParseStartId /*node_id*/) -> bool {
  CARBON_FATAL("Unreachable until we support checking error parse nodes");
}

auto HandleParseNode(Context& /*context*/,
                     Parse::InvalidParseSubtreeId /*node_id*/) -> bool {
  CARBON_FATAL("Unreachable until we support checking error parse nodes");
}

auto HandleParseNode(Context& /*context*/, Parse::PlaceholderId /*node_id*/)
    -> bool {
  CARBON_FATAL(
      "Placeholder node should always be replaced before parse completes");
}

}  // namespace Carbon::Check