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https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Geoff Romer
80f035874d
* Move nontrivial logic out of `parser.ypp` into `FieldList`, rename it to `ParenContents`, make it a class, and add tests * Use a `FieldInitializer` struct instead of `std::pair<std::string, Expression*>` to represent the fields of a tuple
27 lines
862 B
C++
27 lines
862 B
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 "executable_semantics/syntax/paren_contents.h"
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namespace Carbon {
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Expression* ParenContents::AsExpression(int line_number) const {
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if (fields_.size() == 1 && fields_.front().name == "" &&
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has_trailing_comma_ == HasTrailingComma::No) {
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return fields_.front().expression;
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} else {
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return AsTuple(line_number);
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}
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}
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Expression* ParenContents::AsTuple(int line_number) const {
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auto vec = new std::vector<std::pair<std::string, Carbon::Expression*>>();
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for (const FieldInitializer& initializer : fields_) {
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vec->push_back({initializer.name, initializer.expression});
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}
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return MakeTuple(line_number, vec);
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}
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} // namespace Carbon
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