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Jon Meow
8fccecadeb
- Switch code to llvm::raw_ostream as part of standardizing output forms.
- Preferring llvm::raw_ostream over std::ostream because other tooling code should be expected to rely on llvm more closely, and an overall preference towards library consistency.
- There are a couple spots in syntax/ that still use std streams, but I'd prefer to take a separate PR to see how best to address those.
- std::boolalpha doesn't work with llvm, so I've implemented equivalent in a couple places (not enough that it felt like worth making a helper function).
- Implement Print(ostream) as consistently as we can, as an instance member.
- This facilitates the use of the common/ostream.h template to provide operators.
- Preferring this approach so that Print is easily accessible via gdb, per suggestion on #executable-semantics.
- Switch code currently calling `type->Print(ostream)` to instead do `ostream << *type`.
- Remove the unused `PrintTypeEnv`, nothing used it and the declaration didn't match the definition.
24 lines
719 B
C++
24 lines
719 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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#ifndef COMMON_OSTREAM_H_
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#define COMMON_OSTREAM_H_
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#include "llvm/Support/raw_ostream.h"
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namespace Carbon {
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// Support ostream << for types which implement:
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// void Print(llvm::raw_ostream& out) const;
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template <typename T, typename std::enable_if<std::is_member_function_pointer<
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decltype(&T::Print)>::value>::type* = nullptr>
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auto operator<<(llvm::raw_ostream& out, const T& obj) -> llvm::raw_ostream& {
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obj.Print(out);
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return out;
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}
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} // namespace Carbon
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#endif // COMMON_OSTREAM_H_
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