50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#include <pslang/parser/parser.hpp>
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#include <pslang/parser/error.hpp>
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#include <pslang/interpreter/interpreter.hpp>
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#include <pslang/ast/statement.hpp>
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#include <iostream>
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#include <cstring>
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int main(int argc, char ** argv) try
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{
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if (argc == 1)
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{
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std::cout << "Usage: psli [ options ] <file1> [ <file2> ... ]\n";
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std::cout << "Available options:\n";
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std::cout << " -t, --trace Trace each line of execution\n";
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std::cout << " -d, --dump Dump all variables after processing each file\n";
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return 0;
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}
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using namespace pslang;
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auto context = interpreter::empty_context();
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bool dump = false;
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for (int arg = 1; arg < argc; ++arg)
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{
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if (std::strcmp(argv[arg], "-d") == 0 || std::strcmp(argv[arg], "--dump") == 0)
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{
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dump = true;
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continue;
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}
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if (std::strcmp(argv[arg], "-t") == 0 || std::strcmp(argv[arg], "--trace") == 0)
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{
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context.trace = true;
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continue;
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}
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auto ast = parser::parse(argv[arg]);
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interpreter::execute(context, ast);
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if (dump)
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interpreter::dump(std::cout, context);
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}
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}
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catch (pslang::parser::parse_error const & error)
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{
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std::cerr << "Parse error at " << error.location() << ":\n " << error.what() << std::endl;
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}
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