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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
7a67715ac5
This allows us to combine multiple Errors together without repeating the prefix information. Also fixes several cases where two "COMPILATION ERROR" prefixes would be prepended to the same message when errors with prefixes and locations were produced by the lexer and parser.
27 lines
1010 B
C++
27 lines
1010 B
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 "explorer/syntax/prelude.h"
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#include "explorer/syntax/parse.h"
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namespace Carbon {
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// Adds the Carbon prelude to `declarations`.
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void AddPrelude(std::string_view prelude_file_name, Nonnull<Arena*> arena,
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std::vector<Nonnull<Declaration*>>* declarations) {
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ErrorOr<AST> parse_result = Parse(arena, prelude_file_name, false);
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if (!parse_result.ok()) {
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// Try again with tracing, to help diagnose the problem.
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ErrorOr<AST> trace_parse_result = Parse(arena, prelude_file_name, true);
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CARBON_FATAL() << "Failed to parse prelude:\n"
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<< trace_parse_result.error();
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}
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const auto& prelude = *parse_result;
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declarations->insert(declarations->begin(), prelude.declarations.begin(),
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prelude.declarations.end());
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}
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} // namespace Carbon
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