mirror of
https://github.com/carbon-language/carbon-lang.git
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Jeremy G. Siek
bf6bb800c4
* improve abstraction for AssocList, fix bug in optional else * add flag for tracing output, clean up code for output * turned off tracing by default, updated goldens, removed two examples that use pointers, shouldn't have been there yet
33 lines
828 B
C++
33 lines
828 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 <cstdio>
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#include <cstring>
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#include <iostream>
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#include <string>
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#include "executable_semantics/syntax_helpers.h"
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extern FILE* yyin;
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extern auto yyparse() -> int; // NOLINT(readability-identifier-naming)
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int main(int argc, char* argv[]) {
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// yydebug = 1;
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if (argc > 1) {
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Carbon::input_filename = argv[1];
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yyin = fopen(argv[1], "r");
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if (yyin == nullptr) {
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std::cerr << "Error opening '" << argv[1] << "': " << strerror(errno)
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<< std::endl;
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return 1;
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}
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}
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if (argc > 2 && argv[2] == std::string("-trace")) {
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Carbon::tracing_output = true;
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}
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return yyparse();
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}
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