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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>
27 lines
1.1 KiB
C++
27 lines
1.1 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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#include "executable_semantics/syntax/parse_and_lex_context.h"
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namespace Carbon {
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auto ParseAndLexContext::RecordSyntaxError(const std::string& message,
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bool prefix_with_newline)
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-> Parser::symbol_type {
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// Optionally adds a newline in trace mode because trace prints an incomplete
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// line "Reading a token: " which can prevent LIT from finding expected
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// patterns.
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// TODO: support formatting of `SourceLocation` instances with formatv().
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std::string full_message;
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llvm::raw_string_ostream(full_message)
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<< (prefix_with_newline && trace() ? "\n" : "")
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<< "COMPILATION ERROR: " << source_loc() << ": " << message;
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error_messages_.push_back(full_message);
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// TODO: use `YYerror` token once bison is upgraded to at least 3.5.
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return Parser::make_END_OF_FILE(current_token_position);
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}
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} // namespace Carbon
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