Files
carbon-lang/toolchain/parse/handle_match_first.cpp
T

33 lines
1.0 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/lex/token_kind.h"
#include "toolchain/parse/context.h"
#include "toolchain/parse/handle.h"
namespace Carbon::Parse {
auto HandleMatchFirst(Context& context) -> void {
auto state = context.PopState();
// MatchFirstIntroducer node is automatically added for the MatchFirst state.
if (auto open_curly = context.ConsumeAndAddOpenCurlyBrace(
state.token, NodeKind::MatchFirstDefinitionStart)) {
state.token = *open_curly;
} else {
state.has_error = true;
}
context.PushState(state, StateKind::MatchFirstFinish);
if (!state.has_error) {
context.PushState(StateKind::DeclScopeLoopAsRegular);
}
}
auto HandleMatchFirstFinish(Context& context) -> void {
auto state = context.PopState();
context.AddNode(NodeKind::MatchFirst, context.Consume(), state.has_error);
}
} // namespace Carbon::Parse