64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#include "Evalvisitor.h"
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#include "Python3Lexer.h"
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#include "Python3Parser.h"
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#include "antlr4-runtime.h"
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#include <iostream>
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#include "int2048/int2048.h"
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#include "clipp/clipp.h"
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using namespace antlr4;
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// TODO: regenerating files in directory named "generated" is dangerous.
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// if you really need to regenerate,please ask TA for help.
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int main(int argc, char *argv[])
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{
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// TODO: please don't modify the code below the construction of ifs if you want to use visitor mode
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std::string input_file;
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bool need_help = false;
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auto cli = (clipp::option("-h", "--help").set(need_help).doc("show help") |
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clipp::opt_value("input file", input_file));
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if (!clipp::parse(argc, argv, cli))
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{
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std::cout << clipp::make_man_page(cli, argv[0]);
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return 0;
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}
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if (need_help)
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{
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std::cout << clipp::make_man_page(cli, argv[0]);
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return 0;
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}
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ANTLRInputStream *input_p;
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if (input_file.length() == 0)
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input_p = new ANTLRInputStream(std::cin);
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else
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{
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std::ifstream ifs(input_file);
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input_p = new ANTLRInputStream(ifs);
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}
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Python3Lexer lexer(input_p);
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CommonTokenStream tokens(&lexer);
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tokens.fill();
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Python3Parser parser(&tokens);
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tree::ParseTree *tree = parser.file_input();
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EvalVisitor visitor;
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try
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{
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visitor.visit(tree);
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}
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catch (const InterpretException &e)
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{
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std::cerr << "[Interpret Error] " << e.what() << std::endl;
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}
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catch (const FatalError &e)
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{
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std::cerr << "\e[7m\e[31m[Fatal Error] " << e.what() << "\e[0m" << std::endl;
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}
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catch (const std::exception &e)
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{
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std::cerr << "\e[7m\e[31m[other std::exception] " << e.what() << "\e[0m" << std::endl;
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}
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catch (...)
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{
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std::cerr << "\e[7m\e[31m[Unknown Exception]\e[0m" << std::endl;
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}
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delete input_p;
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return 0;
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} |