950b70dcc7
Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 371834
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
//===--- ByteCodeGenError.h - Byte code generation error ----------*- C -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_AST_INTERP_BYTECODEGENERROR_H
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#define LLVM_CLANG_AST_INTERP_BYTECODEGENERROR_H
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#include "clang/AST/Decl.h"
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#include "clang/AST/Stmt.h"
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#include "clang/Basic/SourceLocation.h"
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#include "llvm/Support/Error.h"
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namespace clang {
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namespace interp {
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/// Error thrown by the compiler.
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struct ByteCodeGenError : public llvm::ErrorInfo<ByteCodeGenError> {
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public:
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ByteCodeGenError(SourceLocation Loc) : Loc(Loc) {}
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ByteCodeGenError(const Stmt *S) : ByteCodeGenError(S->getBeginLoc()) {}
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ByteCodeGenError(const Decl *D) : ByteCodeGenError(D->getBeginLoc()) {}
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void log(raw_ostream &OS) const override { OS << "unimplemented feature"; }
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const SourceLocation &getLoc() const { return Loc; }
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static char ID;
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private:
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// Start of the item where the error occurred.
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SourceLocation Loc;
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// Users are not expected to use error_code.
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std::error_code convertToErrorCode() const override {
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return llvm::inconvertibleErrorCode();
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}
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};
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} // namespace interp
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} // namespace clang
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#endif
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