106 lines
2.4 KiB
C++
106 lines
2.4 KiB
C++
#include "object.hh"
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#include <cstddef>
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#include <string>
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std::string Object::to_string() {
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switch (type) {
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case ObjectType::NIL:
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return "nil";
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case ObjectType::BOOL: {
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bool val = std::get<bool>(value);
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return (val ? "true" : "false");
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}
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case ObjectType::IDENTIFIER:
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case ObjectType::STRING_LIT: {
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std::string val = std::get<std::string>(value);
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return val;
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}
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case ObjectType::NUMBER: {
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double val = std::get<double>(value);
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std::string output{std::to_string(val)};
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if (val == ((int)val)) {
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size_t decimal_index{output.find(".")};
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output = output.substr(0, decimal_index);
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}
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return output;
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}
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}
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}
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bool Object::operator==(const Object &other) {
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if (type != other.type) {
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return false;
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}
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switch (type) {
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case ObjectType::NIL: return true;
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case ObjectType::BOOL: {
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bool left = std::get<bool>(value);
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bool right = std::get<bool>(other.value);
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return left == right;
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}
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case ObjectType::IDENTIFIER:
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case ObjectType::STRING_LIT: {
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std::string left = std::get<std::string>(value);
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std::string right = std::get<std::string>(other.value);
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return left == right;
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}
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case ObjectType::NUMBER: {
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double left = std::get<double>(value);
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double right = std::get<double>(other.value);
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return left == right;
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}
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}
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}
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std::ostream &operator<<(std::ostream &os, const ObjectType &type) {
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switch (type) {
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case ObjectType::NIL:
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os << "ObjectType::NIL";
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break;
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case ObjectType::BOOL:
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os << "ObjectType::BOOL";
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case ObjectType::IDENTIFIER:
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os << "ObjectType::IDENTIFIER";
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break;
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case ObjectType::STRING_LIT:
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os << "ObjectType::STRING_LIT";
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break;
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case ObjectType::NUMBER:
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os << "ObjectType::NUMBER";
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break;
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}
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return os;
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}
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std::ostream &operator<<(std::ostream &os, const Object &obj) {
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os << "Object(" << obj.type;
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switch (obj.type) {
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case ObjectType::NIL:
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break;
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case ObjectType::BOOL:
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os << ", " << std::to_string(std::get<bool>(obj.value));
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break;
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case ObjectType::IDENTIFIER:
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case ObjectType::STRING_LIT:
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os << ", " << std::get<std::string>(obj.value);
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break;
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case ObjectType::NUMBER:
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os << ", " << std::get<double>(obj.value);
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break;
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}
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os << ')';
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return os;
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}
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bool Object::operator!=(const Object &other) {
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return !operator==(other);
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}
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