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Fix function calling

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This commit is contained in:
Sofia 2026-03-14 23:49:23 +02:00
parent 9d471400d9
commit 493664cafc
3 changed files with 20 additions and 8 deletions
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2
examples/test.lua
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@ -4,5 +4,5 @@ function add(x)
end
end
global d = add(5)
local d = add(5)
global c = print(d())

17
src/compile.rs
View File

@ -212,11 +212,21 @@ impl Expression {
let function_register = registers.first().unwrap();
let mut param_regs = Vec::new();
let mut original_param_regs = Vec::new();
for param in params.kind.0.iter() {
let (instr, registers) = param.kind.compile(state, scope, 1);
instructions.extend(instr);
param_regs.extend(registers);
original_param_regs.extend(registers);
}
scope.register_counter.0 = *function_register + 1;
let mut param_regs = Vec::new();
for param_reg in original_param_regs {
let new_reg = scope.register_counter.next();
if param_reg != new_reg {
instructions.push(Instruction::Move(new_reg, param_reg));
}
param_regs.push(new_reg);
}
let last_param_reg = param_regs.last().unwrap_or(function_register);
@ -231,9 +241,6 @@ impl Expression {
}
}
let last_return_reg = return_regs.last().unwrap();
scope.register_counter.0 = *last_return_reg + 1;
instructions.push(Instruction::Call(
*function_register,
param_regs.len() as u16,

9
src/vm.rs
View File

@ -203,7 +203,7 @@ impl ClosureRunner {
Instruction::SetGlobal(reg, global) => {
self.closure.environment.borrow_mut().globals.insert(
constants.get(*global as usize).unwrap().clone(),
self.stack.get(reg).unwrap().clone(),
self.stack.get(reg).unwrap_or(&Value::Nil).clone(),
);
}
Instruction::GetGlobal(reg, global) => {
@ -222,7 +222,12 @@ impl ClosureRunner {
Instruction::Call(func_reg, param_len, ret_len) => {
let mut params = Vec::new();
for i in 0..*param_len {
params.push(self.stack.get(&(func_reg + i + 1)).unwrap().clone());
params.push(
self.stack
.get(&(func_reg + i + 1))
.unwrap_or(&Value::Nil)
.clone(),
);
}
match self.stack.get(func_reg).unwrap_or(&Value::Nil) {
Value::RustFunction(func) => {