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This commit is contained in:
Andre Wagner
2026-05-16 15:41:20 -05:00
parent 5c885654af
commit f447b6cb98
4 changed files with 30 additions and 5 deletions
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3
lib/code.c
View File

@@ -47,7 +47,8 @@ TYC_RESULT code_load_bytecode(Code* code, uint8_t const* bytecode, size_t byteco
if (bytecode_sz < 24)
return T_ERR_BYTECODE_TOO_SMALL;
uint32_t magic = *(uint32_t const*) &bytecode[0];
uint32_t magic;
memcpy(&magic, bytecode, sizeof(magic));
if (magic != MAGIC)
return T_ERR_BYTECODE_INVALID_MAGIC;

2
lib/expr.c
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@@ -24,7 +24,7 @@ BIN_OP(gte_int_int) { *r = create_value_from_bool(value_integer(a) >= value_int
BIN_OP(and_int_int) { *r = create_value_integer(value_integer(a) & value_integer(b)); return T_OK; }
BIN_OP(or_int_int) { *r = create_value_integer(value_integer(a) | value_integer(b)); return T_OK; }
BIN_OP(xor_int_int) { *r = create_value_integer(value_integer(a) ^ value_integer(b)); return T_OK; }
BIN_OP(pow_int_int) { *r = create_value_integer(pow(value_integer(a), value_integer(b))); return T_OK; }
BIN_OP(pow_int_int) { *r = create_value_integer((int32_t) powl(value_integer(a), value_integer(b))); return T_OK; }
BIN_OP(shl_int_int) { *r = create_value_integer(value_integer(a) << value_integer(b)); return T_OK; }
BIN_OP(shr_int_int) { *r = create_value_integer(value_integer(a) >> value_integer(b)); return T_OK; }
BIN_OP(mod_int_int) { *r = create_value_integer(value_integer(a) % value_integer(b)); return T_OK; }

12
lib/vm.c
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@@ -227,9 +227,9 @@ static TYC_RESULT step(TycheVM* T)
break;
case TO_PUSHF:
if (inst.operand < 0 || inst.operand > code_n_functions(T->code))
if (inst.operand < 0 || inst.operand > (int) code_n_functions(T->code))
return T_ERR_VALUE_OUT_OF_RANGE;
TRY(stack_push(T->stack, create_value_idx(TT_FUNCTION, inst.operand)))
TRY(stack_push(T->stack, create_value_idx(TT_FUNCTION, (uint32_t) inst.operand)))
break;
case TO_POP:
@@ -243,7 +243,7 @@ static TYC_RESULT step(TycheVM* T)
case TO_PUSHV:
if (inst.operand <= 0)
return T_ERR_VALUE_OUT_OF_RANGE;
for (size_t i = 0; i < inst.operand; ++i)
for (int i = 0; i < inst.operand; ++i)
tyc_pushnil(T);
break;
@@ -287,6 +287,12 @@ static TYC_RESULT step(TycheVM* T)
// function calls
//
case TO_CALL:
if (inst.operand < 0)
return T_ERR_VALUE_OUT_OF_RANGE;
enter_function(T, (uint16_t) inst.operand);
break;
case TO_RET:
TRY(stack_pop(T->stack, &a))
TRY(stack_pop_fp(T->stack))

18
test/code-tests.lua
View File

@@ -57,4 +57,22 @@ return {
expected_stack_size = 1,
expected_stack_top = 3,
},
{
name = "VM: functions",
code = [[
.func 0
pushf 1
pushi 2
pushi 3
call 2
ret
.func 1
dupv 0
dupv 1
sub
ret
]],
expected_stack_size = 1,
expected_stack_top = -1,
},
}