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This commit is contained in:
Andre Wagner
2026-05-02 21:12:12 -05:00
parent ff23e14122
commit 223570478e
7 changed files with 36 additions and 26 deletions
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24
CMakeLists.txt
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@@ -74,18 +74,18 @@ add_library(lib${PROJECT_NAME} SHARED
src/assembler/as_exceptions.hh
src/instructions/instruction.hh
src/instructions/instruction.cc
#src/vm/code.cc
#src/vm/code.hh
#src/vm/value.cc
#src/vm/value.hh
#src/vm/stack.cc
#src/vm/stack.hh
#src/vm/vm_exceptions.hh
#src/vm/vm.cc
#src/vm/vm.hh
#src/vm/expr.cc
#src/vm/expr.hh
#src/vm/location.hh
src/vm/code.cc
src/vm/code.hh
src/vm/value.cc
src/vm/value.hh
src/vm/stack.cc
src/vm/stack.hh
src/vm/vm_exceptions.hh
src/vm/vm.cc
src/vm/vm.hh
src/vm/expr.cc
src/vm/expr.hh
src/vm/location.hh
)
target_compile_options(lib${PROJECT_NAME} PRIVATE ${warnings})

6
src/vm/expr.cc
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@@ -35,7 +35,7 @@ static int init_ = []() {
BIN_OP(Sum, Integer, Float) { return Value::createFloat((float) a.as_integer() + b.as_float()); };
BIN_OP(Sum, Float, Integer) { return Value::createFloat(a.as_float() + (float) b.as_integer()); };
BIN_OP(Sum, Float, Float) { return Value::createFloat(a.as_float() + b.as_float()); };
BIN_OP(Sum, String, String) { return Value::createString(a.as_string() + b.as_string()); };
BIN_OP(Sum, String, String) { return Value::createString(std::string(a.as_string_ptr()) + std::string(b.as_string_ptr())); };
BIN_OP(Subtraction, Integer, Integer) { return Value::createInteger(a.as_integer() - b.as_integer()); };
BIN_OP(Subtraction, Integer, Float) { return Value::createFloat((float) a.as_integer() - b.as_float()); };
@@ -61,13 +61,13 @@ static int init_ = []() {
BIN_OP(Equality, Integer, Float) { return Value::createIntegerFromBool(std::abs((float) a.as_integer() - b.as_float()) < FLOAT_EPSILON); };
BIN_OP(Equality, Float, Integer) { return Value::createIntegerFromBool(std::abs(a.as_float() - (float) b.as_integer()) < FLOAT_EPSILON); };
BIN_OP(Equality, Float, Float) { return Value::createIntegerFromBool(std::abs(a.as_float() - b.as_float()) < FLOAT_EPSILON); };
BIN_OP(Equality, String, String) { return Value::createIntegerFromBool(a.as_string() == b.as_string()); };
BIN_OP(Equality, String, String) { return Value::createIntegerFromBool(strcmp(a.as_string_ptr(), b.as_string_ptr()) == 0); };
BIN_OP(Inequality, Integer, Integer) { return Value::createIntegerFromBool(a.as_integer() != b.as_integer()); };
BIN_OP(Inequality, Integer, Float) { return Value::createIntegerFromBool(std::abs((float) a.as_integer() - b.as_float()) >= FLOAT_EPSILON); };
BIN_OP(Inequality, Float, Integer) { return Value::createIntegerFromBool(std::abs(a.as_float() - (float) b.as_integer()) >= FLOAT_EPSILON); };
BIN_OP(Inequality, Float, Float) { return Value::createIntegerFromBool(std::abs(a.as_float() - b.as_float()) >= FLOAT_EPSILON); };
BIN_OP(Inequality, String, String) { return Value::createIntegerFromBool(a.as_string() != b.as_string()); };
BIN_OP(Inequality, String, String) { return Value::createIntegerFromBool(strcmp(a.as_string_ptr(), b.as_string_ptr()) != 0); };
BIN_OP(LessThan, Integer, Integer) { return Value::createIntegerFromBool(a.as_integer() < b.as_integer()); };
BIN_OP(LessThan, Integer, Float) { return Value::createIntegerFromBool((float) a.as_integer() < b.as_float()); };

4
src/vm/tests.cc
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@@ -110,7 +110,7 @@ TEST(VM, StackOperations)
ASSERT_FLOAT_EQ(run("pushi 5000").to_float(-1), 5000.f);
ASSERT_FLOAT_EQ(run("pushc 0").to_float(-1), 3.14f);
ASSERT_EQ(run("pushc 0").to_integer(-1), 3);
ASSERT_EQ(run("pushc 1").to_string(-1), "Hello world");
EXPECT_STREQ(run("pushc 1").to_string_ptr(-1), "Hello world");
ASSERT_TRUE(run("pushf 0").is_function(-1));
ASSERT_EQ(run("pushi 2\n pushi 3\n pop").to_integer(-1), 2);
}
@@ -233,7 +233,7 @@ TEST(VM, StringString)
pushc 1
sum
ret
)").to_string(-1), "HelloWorld");
)").to_string_ptr(-1), "HelloWorld");
ASSERT_EQ(run(R"(
.const

9
src/vm/value.cc
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@@ -41,4 +41,13 @@ std::string Value::to_string() const
}, value_);
}
const char* Value::as_string_ptr() const
{
if (auto s = std::get_if<std::string>(&value_))
return s->c_str();
if (auto s = std::get_if<const char*>(&value_))
return *s;
throw std::logic_error("Shouldn't get here");
}
}

5
src/vm/value.hh
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@@ -26,6 +26,7 @@ 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 createStringFromConstant(const char* str) { return Value(str); }
static Value createFunctionId(FunctionId f_id) { return Value(Function { f_id }); }
static Value createFalse() { return createInteger(0); }
@@ -36,13 +37,13 @@ public:
[[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]] const char* as_string_ptr() const;
[[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, Function>;
using Internal = std::variant<std::monostate, int32_t, float, std::string, const char*, Function>;
Internal value_;
explicit Value(Internal const& internal) : value_(internal) {}

12
src/vm/vm.cc
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@@ -49,11 +49,11 @@ float VM::to_float(int index) const
throw VMTypeError(Type::Float, f.type());
}
std::string VM::to_string(int index) const
const char* VM::to_string_ptr(int index) const
{
Value i = stack_.at(index);
assert_type(i, Type::String);
return i.as_string();
Value s = stack_.at(index);
assert_type(s, Type::String);
return s.as_string_ptr();
}
VM& VM::push_nil()
@@ -110,8 +110,8 @@ void VM::step()
auto cnst = code_.bytecode().get_constant(op.operator_);
if (auto f = std::get_if<float>(&cnst))
push_float(*f);
else if (auto s = std::get_if<std::string>(&cnst))
push_string(*s);
else if (auto s = std::get_if<const char*>(&cnst))
stack_.push(Value::createStringFromConstant(*s));
else
throw std::logic_error("Shouldn't get here");
break;

2
src/vm/vm.hh
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@@ -31,7 +31,7 @@ public:
[[nodiscard]] int32_t to_integer(int index) const;
[[nodiscard]] float to_float(int index) const;
[[nodiscard]] std::string to_string(int index) const;
[[nodiscard]] const char* to_string_ptr(int index) const;
[[nodiscard]] std::string debug_stack() const { return stack_.debug(); }