47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
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#include "parser.hpp"
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#include <iostream>
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#include <sstream>
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int main()
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{
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std::istringstream inp(
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"const world = 5, hello = 7;\n"
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"var x: Int, y: ^Int;\n"
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"begin\n"
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"end.\n"
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);
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std::unique_ptr<elna::source::program> program;
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int result{ 1 };
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elna::syntax::FooLexer lexer(inp);
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yy::parser parser(lexer, program);
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try
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{
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result = parser();
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}
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catch (yy::parser::syntax_error& syntax_error)
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{
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std::cerr << syntax_error.location << ": " << syntax_error.what() << std::endl;
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return result;
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}
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for (auto& definition : program->definitions())
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{
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auto const_definition = dynamic_cast<elna::source::constant_definition *>(definition.get());
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std::cout << "const " << const_definition->identifier() << " = "
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<< const_definition->body().number() << std::endl;
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}
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for (auto& declaration : program->declarations())
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{
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std::cout << "var " << declaration->identifier() << ": ";
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if (declaration->type().is_pointer())
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{
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std::cout << '^';
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}
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std::cout << declaration->type().base() << std::endl;
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}
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return result;
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}
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