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45 lines
1.4 KiB
C++
45 lines
1.4 KiB
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 EXECUTABLE_SEMANTICS_COMMON_ERROR_BUILDERS_H_
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#define EXECUTABLE_SEMANTICS_COMMON_ERROR_BUILDERS_H_
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#include "common/error.h"
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#include "executable_semantics/common/source_location.h"
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namespace Carbon {
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// Builds an Error instance with the specified message. This should be used for
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// non-recoverable errors with user input.
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//
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// For example:
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// return ProgramError(line_num) << "Line is bad!";
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// return ProgramError() << "Application is bad!";
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//
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// Where possible, try to identify the error as a compilation or runtime error.
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// Use CHECK/FATAL for internal errors. The generic program error option is
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// provided as a fallback for cases that don't fit those classifications.
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inline auto CompilationError(SourceLocation loc) -> ErrorBuilder {
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ErrorBuilder builder;
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(void)(builder << "COMPILATION ERROR: " << loc << ": ");
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return builder;
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}
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inline auto ProgramError(SourceLocation loc) -> ErrorBuilder {
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ErrorBuilder builder;
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(void)(builder << "PROGRAM ERROR: " << loc << ": ");
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return builder;
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}
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inline auto RuntimeError(SourceLocation loc) -> ErrorBuilder {
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ErrorBuilder builder;
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(void)(builder << "RUNTIME ERROR: " << loc << ": ");
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return builder;
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}
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} // namespace Carbon
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#endif // EXECUTABLE_SEMANTICS_COMMON_ERROR_BUILDERS_H_
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