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tco in interp

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This commit is contained in:
Graham Kelly 2024-03-09 15:22:00 -05:00
parent 252be6e5fc
commit 89e48a7129
1 changed files with 19 additions and 12 deletions
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31
src/interp.rs
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@ -91,14 +91,16 @@ impl InterpContext {
})
}
pub fn call(&mut self, module: &Module<'_>, func: Func, args: &[ConstVal]) -> InterpResult {
pub fn call(&mut self, module: &Module<'_>, mut func: Func, args: &[ConstVal]) -> InterpResult {
let mut args = args.to_vec();
'redo: loop{
let body = match &module.funcs[func] {
FuncDecl::Lazy(..) => panic!("Un-expanded function"),
FuncDecl::Compiled(..) => panic!("Already-compiled function"),
FuncDecl::Import(..) => {
let import = &module.imports[func.index()];
assert_eq!(import.kind, ImportKind::Func(func));
return self.call_import(&import.name[..], args);
return self.call_import(&import.name[..], &args);
}
FuncDecl::Body(_, _, body) => body,
FuncDecl::None => panic!("FuncDecl::None in call()"),
@ -232,9 +234,9 @@ impl InterpContext {
&Terminator::ReturnCallIndirect {
sig,
table,
ref args,
args: ref args2,
} => {
let args = args
let args2 = args2
.iter()
.map(|&arg| {
let arg = body.resolve_alias(arg);
@ -243,13 +245,16 @@ impl InterpContext {
multivalue[0]
})
.collect::<Vec<_>>();
let idx = args.last().unwrap().as_u32().unwrap() as usize;
let func = self.tables[table].elements[idx];
let result = self.call(module, func, &args[..args.len() - 1]);
return result;
let idx = args2.last().unwrap().as_u32().unwrap() as usize;
let fu = self.tables[table].elements[idx];
func = fu;
args = args2[..args2.len()-1].to_vec();
continue 'redo;
// let result = self.call(module, func, &args[..args.len() - 1]);
// return result;
}
&Terminator::ReturnCall { func, ref args } => {
let args = args
&Terminator::ReturnCall { func: fu, args: ref args2 } => {
let args2 = args2
.iter()
.map(|&arg| {
let arg = body.resolve_alias(arg);
@ -258,8 +263,9 @@ impl InterpContext {
multivalue[0]
})
.collect::<Vec<_>>();
let result = self.call(module, func, &args[..]);
return result;
func = fu;
args = args2;
continue 'redo;
}
&Terminator::None => {
return InterpResult::Trap(frame.func, frame.cur_block, u32::MAX)
@ -312,6 +318,7 @@ impl InterpContext {
}
}
}
}
fn call_import(&mut self, name: &str, args: &[ConstVal]) -> InterpResult {
let mut r = self.import_hander.take().unwrap();