62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
#include <Ast/astBase.hpp>
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#include <Error/error.hpp>
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#include <Error/errorLog.hpp>
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#include <Core/String.hpp>
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#include <Repl/Repl.hpp>
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#include <vector>
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namespace Fig
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{
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void Repl::Start() const
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{
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ostream << getPrompt() << "\n";
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const String &sourcePath = U"<stdin>";
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const std::vector<String> &sourceLines{};
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Evaluator evaluator;
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evaluator.CreateGlobalContext();
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evaluator.RegisterBuiltinsValue();
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evaluator.SetSourcePath(sourcePath);
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evaluator.SetSourceLines(sourceLines);
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while (true)
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{
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ostream << "\r\n>>";
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const String &line = readline();
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if (line.empty())
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{
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ostream << Object::getNullInstance()->toString().toBasicString();
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continue;
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}
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if (line == u8"!exit") { break; }
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Lexer lexer(line, sourcePath, sourceLines);
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Parser parser(lexer, sourcePath, sourceLines);
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std::vector<AstBase> program;
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try
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{
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program = parser.parseAll();
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StatementResult sr = evaluator.Run(program);
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ObjectPtr result = sr.result;
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ostream << result->toString().toBasicString() << '\n';
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}
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catch (AddressableError &e)
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{
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ostream << "Oops!\n";
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ErrorLog::logAddressableError(e);
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ostream << "\n";
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}
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catch (UnaddressableError &e)
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{
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ostream << "Oops!\n";
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ErrorLog::logUnaddressableError(e);
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ostream << "\n";
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}
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}
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}
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} // namespace Fig
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