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Geoff RomerandRichard Smith
049fbc1ee4
Closes #3063 --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "toolchain/parser/parser_context.h"
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namespace Carbon {
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// Handles ParenConditionAs(If|While).
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static auto ParserHandleParenCondition(ParserContext& context,
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ParseNodeKind start_kind,
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ParserState finish_state) -> void {
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auto state = context.PopState();
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context.ConsumeAndAddOpenParen(state.token, start_kind);
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state.state = finish_state;
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context.PushState(state);
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context.PushState(ParserState::Expression);
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}
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auto ParserHandleParenConditionAsIf(ParserContext& context) -> void {
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ParserHandleParenCondition(context, ParseNodeKind::IfConditionStart,
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ParserState::ParenConditionFinishAsIf);
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}
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auto ParserHandleParenConditionAsWhile(ParserContext& context) -> void {
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ParserHandleParenCondition(context, ParseNodeKind::WhileConditionStart,
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ParserState::ParenConditionFinishAsWhile);
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}
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auto ParserHandleParenConditionFinishAsIf(ParserContext& context) -> void {
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auto state = context.PopState();
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context.ConsumeAndAddCloseSymbol(
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*(TokenizedBuffer::TokenIterator(state.token) + 1), state,
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ParseNodeKind::IfCondition);
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}
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auto ParserHandleParenConditionFinishAsWhile(ParserContext& context) -> void {
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auto state = context.PopState();
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context.ConsumeAndAddCloseSymbol(
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*(TokenizedBuffer::TokenIterator(state.token) + 1), state,
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ParseNodeKind::WhileCondition);
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}
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} // namespace Carbon
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