mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 12:50:12 +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
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#include "executable_semantics/syntax/paren_contents.h"
|
|
|
|
namespace Carbon {
|
|
|
|
Expression* ParenContents::AsExpression(int line_number) const {
|
|
if (fields_.size() == 1 && fields_.front().name == "" &&
|
|
has_trailing_comma_ == HasTrailingComma::No) {
|
|
return fields_.front().expression;
|
|
} else {
|
|
return AsTuple(line_number);
|
|
}
|
|
}
|
|
|
|
Expression* ParenContents::AsTuple(int line_number) const {
|
|
auto vec = new std::vector<std::pair<std::string, Carbon::Expression*>>();
|
|
for (const FieldInitializer& initializer : fields_) {
|
|
vec->push_back({initializer.name, initializer.expression});
|
|
}
|
|
return MakeTuple(line_number, vec);
|
|
}
|
|
|
|
} // namespace Carbon
|