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| author | 2016-09-03 22:46:54 +0000 | |
|---|---|---|
| committer | 2016-09-03 22:46:54 +0000 | |
| commit | b5500b9ca0102f1ccaf32f0e77e96d0739aded9b (patch) | |
| tree | e1b7ebb5a0231f9e6d8d3f6f719582cebd64dc98 /gnu/llvm/tools/clang/lib/Basic/OperatorPrecedence.cpp | |
| parent | clarify purpose of src/gnu/ directory. (diff) | |
| download | wireguard-openbsd-b5500b9ca0102f1ccaf32f0e77e96d0739aded9b.tar.xz wireguard-openbsd-b5500b9ca0102f1ccaf32f0e77e96d0739aded9b.zip | |
Use the space freed up by sparc and zaurus to import LLVM.
ok hackroom@
Diffstat (limited to 'gnu/llvm/tools/clang/lib/Basic/OperatorPrecedence.cpp')
| -rw-r--r-- | gnu/llvm/tools/clang/lib/Basic/OperatorPrecedence.cpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gnu/llvm/tools/clang/lib/Basic/OperatorPrecedence.cpp b/gnu/llvm/tools/clang/lib/Basic/OperatorPrecedence.cpp new file mode 100644 index 00000000000..ade8d6d841d --- /dev/null +++ b/gnu/llvm/tools/clang/lib/Basic/OperatorPrecedence.cpp @@ -0,0 +1,76 @@ +//===--- OperatorPrecedence.cpp ---------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// \brief Defines and computes precedence levels for binary/ternary operators. +/// +//===----------------------------------------------------------------------===// +#include "clang/Basic/OperatorPrecedence.h" + +namespace clang { + +prec::Level getBinOpPrecedence(tok::TokenKind Kind, bool GreaterThanIsOperator, + bool CPlusPlus11) { + switch (Kind) { + case tok::greater: + // C++ [temp.names]p3: + // [...] When parsing a template-argument-list, the first + // non-nested > is taken as the ending delimiter rather than a + // greater-than operator. [...] + if (GreaterThanIsOperator) + return prec::Relational; + return prec::Unknown; + + case tok::greatergreater: + // C++11 [temp.names]p3: + // + // [...] Similarly, the first non-nested >> is treated as two + // consecutive but distinct > tokens, the first of which is + // taken as the end of the template-argument-list and completes + // the template-id. [...] + if (GreaterThanIsOperator || !CPlusPlus11) + return prec::Shift; + return prec::Unknown; + + default: return prec::Unknown; + case tok::comma: return prec::Comma; + case tok::equal: + case tok::starequal: + case tok::slashequal: + case tok::percentequal: + case tok::plusequal: + case tok::minusequal: + case tok::lesslessequal: + case tok::greatergreaterequal: + case tok::ampequal: + case tok::caretequal: + case tok::pipeequal: return prec::Assignment; + case tok::question: return prec::Conditional; + case tok::pipepipe: return prec::LogicalOr; + case tok::ampamp: return prec::LogicalAnd; + case tok::pipe: return prec::InclusiveOr; + case tok::caret: return prec::ExclusiveOr; + case tok::amp: return prec::And; + case tok::exclaimequal: + case tok::equalequal: return prec::Equality; + case tok::lessequal: + case tok::less: + case tok::greaterequal: return prec::Relational; + case tok::lessless: return prec::Shift; + case tok::plus: + case tok::minus: return prec::Additive; + case tok::percent: + case tok::slash: + case tok::star: return prec::Multiplicative; + case tok::periodstar: + case tok::arrowstar: return prec::PointerToMember; + } +} + +} // namespace clang |
