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VM basics (#5)

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Co-authored-by: Andre Wagner <WagnerAndre@JohnDeere.com>
Reviewed-on: https://192.168.5.48/andre/tyche/pulls/5
This commit was merged in pull request #5.
This commit is contained in:
Andre Wagner
2026-04-30 13:34:49 -05:00
parent 71390b0f84
commit b835dbb36e
24 changed files with 366 additions and 47 deletions
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19
src/vm/value.hh
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@@ -4,14 +4,19 @@
#include <string>
#include <variant>
namespace tyche {
namespace tyche::vm {
using FunctionId = uint32_t;
enum class Type : uint8_t
{
Nil = 0, Integer, Float, String, Array, Table, Function, NativePointer,
};
class Value {
struct Function { FunctionId f_id; };
public:
Value() : value_(std::monostate()) {}
@@ -19,15 +24,19 @@ public:
static Value CreateInteger(int32_t v) { return Value(v); }
static Value CreateFloat(float f) { return Value(f); }
static Value CreateString(std::string const& str) { return Value(str); }
static Value CreateFunctionId(FunctionId f_id) { return Value(Function { f_id }); }
[[nodiscard]] Type type() const;
[[nodiscard]] int32_t as_integer() const { return std::get<int32_t>(value_); }
[[nodiscard]] float as_float() const { return std::get<float>(value_); }
[[nodiscard]] std::string as_string() const { return std::get<std::string>(value_); }
[[nodiscard]] int32_t as_integer() const { return std::get<int32_t>(value_); }
[[nodiscard]] float as_float() const { return std::get<float>(value_); }
[[nodiscard]] std::string as_string() const { return std::get<std::string>(value_); }
[[nodiscard]] FunctionId as_function_id() const { return std::get<Function>(value_).f_id; }
[[nodiscard]] std::string to_string() const;
private:
using Internal = std::variant<std::monostate, int32_t, float, std::string>;
using Internal = std::variant<std::monostate, int32_t, float, std::string, Function>;
Internal value_;
explicit Value(Internal const& internal) : value_(internal) {}