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aa8a5f174d
* Replaced std::exit() with return llvm::Expected/llvm::Error<T> for expected errors like invalid syntax. * Use llvm::formatv() for formatting lexer error messages. x * Addresed merge errors. * Fixed impl scope. * Made ErrorBuilder::operator<< nodiscard, to catch code forgetting 'return' in 'return FATAL_COMPILATION_ERROR()'. * FatalComplationError() -> ParseAndLexContext::RecordLexerError(). Other usages of ERROR_TOKEN in lexer.lpp were actually supposed to be END_OF_FILE. * Update executable_semantics/syntax/parse_and_lex_context.h Co-authored-by: Jon Meow <jperkins@google.com> * Code review fixes. * Update executable_semantics/syntax/parser.ypp Co-authored-by: Jon Meow <jperkins@google.com> * More code review fixes. * Update executable_semantics/interpreter/type_checker.h Co-authored-by: Jon Meow <jperkins@google.com> * Yet more code review fixes... * Update executable_semantics/syntax/lexer.lpp Co-authored-by: Jon Meow <jperkins@google.com> * code review comments * Update executable_semantics/interpreter/interpreter.cpp Co-authored-by: Geoff Romer <gromer@google.com> * Apply suggestions from code review Co-authored-by: Jon Meow <jperkins@google.com> * Update executable_semantics/syntax/lexer.lpp Co-authored-by: Jon Meow <jperkins@google.com> * code review * code review * Apply suggestions from code review Co-authored-by: Jon Meow <jperkins@google.com> * formatted code * review comments * Switched to the new ErrorOr<V> error implementation * code review comments * fixed comment * restored ostream.h as #976 makes the change unnecesary * review comments Co-authored-by: Jon Meow <jperkins@google.com> Co-authored-by: Geoff Romer <gromer@google.com>
61 lines
1.8 KiB
C++
61 lines
1.8 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_SYNTAX_PARSE_TEST_MATCHERS_INTERNAL_H_
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#define EXECUTABLE_SEMANTICS_SYNTAX_PARSE_TEST_MATCHERS_INTERNAL_H_
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <ostream>
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#include <variant>
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#include "executable_semantics/syntax/parse.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/raw_ostream.h"
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namespace Carbon::TestingInternal {
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// Implementation of ParsedAs(). See there for detailed documentation.
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class ParsedAsMatcher {
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public:
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// NOLINTNEXTLINE(readability-identifier-naming)
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using is_gtest_matcher = void;
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explicit ParsedAsMatcher(::testing::Matcher<AST> ast_matcher)
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: ast_matcher_(std::move(ast_matcher)) {}
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void DescribeTo(std::ostream* out) const {
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DescribeToImpl(out, /*negated=*/false);
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}
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void DescribeNegationTo(std::ostream* out) const {
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DescribeToImpl(out, /*negated=*/true);
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}
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auto MatchAndExplain(const ErrorOr<AST>& result,
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::testing::MatchResultListener* listener) const -> bool {
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if (!result.ok()) {
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*listener << "is a failed parse with error: " << result.error().message();
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return false;
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} else {
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*listener << "is a successful parse whose ";
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return ast_matcher_.MatchAndExplain(*result, listener);
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}
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}
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private:
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void DescribeToImpl(std::ostream* out, bool negated) const {
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*out << "is " << (negated ? "not " : "")
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<< "a successful parse result whose ";
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ast_matcher_.DescribeTo(out);
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}
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::testing::Matcher<AST> ast_matcher_;
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};
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} // namespace Carbon::TestingInternal
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#endif // EXECUTABLE_SEMANTICS_SYNTAX_PARSE_TEST_MATCHERS_INTERNAL_H_
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