59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
#include <iostream>
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#include "chaiscript.hpp"
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void print_help() {
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std::cout << "ChaiScript evaluator. To evaluate and expression, type it and press <enter>." << std::endl;
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std::cout << "Additionally, you can inspect the runtime system using:" << std::endl;
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std::cout << " dump_system() - outputs all functions registered to the system" << std::endl;
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std::cout << " dump_object(x) - dumps information about the given symbol" << std::endl;
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}
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int main(int argc, char *argv[]) {
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std::string input;
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chaiscript::ChaiScript_Engine chai;
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chai.build_eval_system();
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if (argc < 2) {
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std::cout << "eval> ";
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std::getline(std::cin, input);
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while (input != "quit") {
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dispatchkit::Boxed_Value val;
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if (input == "help") {
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print_help();
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}
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else {
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val = chai.evaluate_string(input);
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if (val.get_type_info().m_bare_type_info && *(val.get_type_info().m_bare_type_info) != typeid(void)) {
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try {
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dispatchkit::dispatch(chai.get_eval_engine().get_function("print"), dispatchkit::Param_List_Builder() << val);
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} catch (const std::runtime_error &e) {
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std::cout << e.what() << std::endl;
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}
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}
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}
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std::cout << "eval> ";
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std::getline(std::cin, input);
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}
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}
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else {
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for (int i = 1; i < argc; ++i) {
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try {
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dispatchkit::Boxed_Value val = chai.evaluate_file(argv[i]);
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}
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catch (std::exception &) {
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std::cerr << "Could not open: " << argv[i] << std::endl;
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exit(1);
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}
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}
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}
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}
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