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nac3core/toplevel: impl scalar conversion 

Implemented scalar conversion functions as builtin functions.
`round` for int64 is now implemented as `round64`.
This commit is contained in:
pca006132 2021-09-30 23:39:29 +08:00
parent 07a9229d52
commit 1d2a32b140
1 changed files with 231 additions and 21 deletions
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252
nac3core/src/toplevel/composer.rs
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@ -36,7 +36,13 @@ impl TopLevelComposer {
pub fn new( pub fn new(
builtins: Vec<(StrRef, FunSignature)>, builtins: Vec<(StrRef, FunSignature)>,
) -> (Self, HashMap<StrRef, DefinitionId>, HashMap<StrRef, Type>) { ) -> (Self, HashMap<StrRef, DefinitionId>, HashMap<StrRef, Type>) {
let primitives = Self::make_primitives(); let mut primitives = Self::make_primitives();
let int32 = primitives.0.int32;
let int64 = primitives.0.int64;
let float = primitives.0.float;
let num_ty = primitives.1.get_fresh_var_with_range(&[int32, int64, float]);
let var_map: HashMap<_, _> = vec![(num_ty.1, num_ty.0)].into_iter().collect();
let mut definition_ast_list = { let mut definition_ast_list = {
let top_level_def_list = vec![ let top_level_def_list = vec![
@ -60,8 +66,213 @@ impl TopLevelComposer {
))), ))),
Arc::new(RwLock::new(Self::make_top_level_class_def(3, None, "bool".into(), None))), Arc::new(RwLock::new(Self::make_top_level_class_def(3, None, "bool".into(), None))),
Arc::new(RwLock::new(Self::make_top_level_class_def(4, None, "none".into(), None))), Arc::new(RwLock::new(Self::make_top_level_class_def(4, None, "none".into(), None))),
Arc::new(RwLock::new(TopLevelDef::Function {
name: "int32".into(),
simple_name: "int32".into(),
signature: primitives.1.add_ty(TypeEnum::TFunc(RefCell::new(FunSignature {
args: vec![FuncArg { name: "_".into(), ty: num_ty.0, default_value: None }],
ret: int32,
vars: var_map.clone(),
}))),
var_id: Default::default(),
instance_to_symbol: Default::default(),
instance_to_stmt: Default::default(),
resolver: None,
codegen_callback: Some(Arc::new(GenCall::new(Box::new(
|ctx, _, fun, args| {
let int32 = ctx.primitives.int32;
let int64 = ctx.primitives.int64;
let float = ctx.primitives.float;
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1;
if ctx.unifier.unioned(arg_ty, int32) {
Some(arg)
} else if ctx.unifier.unioned(arg_ty, int64) {
Some(
ctx.builder
.build_int_truncate(
arg.into_int_value(),
ctx.ctx.i32_type(),
"trunc",
)
.into(),
)
} else if ctx.unifier.unioned(arg_ty, float) {
let val = ctx
.builder
.build_float_to_signed_int(
arg.into_float_value(),
ctx.ctx.i32_type(),
"fptosi",
)
.into();
Some(val)
} else {
unreachable!()
}
},
)))),
})),
Arc::new(RwLock::new(TopLevelDef::Function {
name: "int64".into(),
simple_name: "int64".into(),
signature: primitives.1.add_ty(TypeEnum::TFunc(RefCell::new(FunSignature {
args: vec![FuncArg { name: "_".into(), ty: num_ty.0, default_value: None }],
ret: int64,
vars: var_map.clone(),
}))),
var_id: Default::default(),
instance_to_symbol: Default::default(),
instance_to_stmt: Default::default(),
resolver: None,
codegen_callback: Some(Arc::new(GenCall::new(Box::new(
|ctx, _, fun, args| {
let int32 = ctx.primitives.int32;
let int64 = ctx.primitives.int64;
let float = ctx.primitives.float;
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1;
if ctx.unifier.unioned(arg_ty, int32) {
Some(
ctx.builder
.build_int_s_extend(
arg.into_int_value(),
ctx.ctx.i64_type(),
"sext",
)
.into(),
)
} else if ctx.unifier.unioned(arg_ty, int64) {
Some(arg)
} else if ctx.unifier.unioned(arg_ty, float) {
let val = ctx
.builder
.build_float_to_signed_int(
arg.into_float_value(),
ctx.ctx.i64_type(),
"fptosi",
)
.into();
Some(val)
} else {
unreachable!()
}
},
)))),
})),
Arc::new(RwLock::new(TopLevelDef::Function {
name: "float".into(),
simple_name: "float".into(),
signature: primitives.1.add_ty(TypeEnum::TFunc(RefCell::new(FunSignature {
args: vec![FuncArg { name: "_".into(), ty: num_ty.0, default_value: None }],
ret: float,
vars: var_map,
}))),
var_id: Default::default(),
instance_to_symbol: Default::default(),
instance_to_stmt: Default::default(),
resolver: None,
codegen_callback: Some(Arc::new(GenCall::new(Box::new(
|ctx, _, fun, args| {
let int32 = ctx.primitives.int32;
let int64 = ctx.primitives.int64;
let float = ctx.primitives.float;
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1;
if ctx.unifier.unioned(arg_ty, int32)
|| ctx.unifier.unioned(arg_ty, int64)
{
let arg = args[0].1.into_int_value();
let val = ctx
.builder
.build_signed_int_to_float(arg, ctx.ctx.f64_type(), "sitofp")
.into();
Some(val)
} else if ctx.unifier.unioned(arg_ty, float) {
Some(arg)
} else {
unreachable!()
}
},
)))),
})),
Arc::new(RwLock::new(TopLevelDef::Function {
name: "round".into(),
simple_name: "round".into(),
signature: primitives.1.add_ty(TypeEnum::TFunc(RefCell::new(FunSignature {
args: vec![FuncArg { name: "_".into(), ty: float, default_value: None }],
ret: int32,
vars: Default::default(),
}))),
var_id: Default::default(),
instance_to_symbol: Default::default(),
instance_to_stmt: Default::default(),
resolver: None,
codegen_callback: Some(Arc::new(GenCall::new(Box::new(|ctx, _, _, args| {
let arg = args[0].1;
let round_intrinsic =
ctx.module.get_function("llvm.rint.f64").unwrap_or_else(|| {
let float = ctx.ctx.f64_type();
let fn_type = float.fn_type(&[float.into()], false);
ctx.module.add_function("llvm.rint.f64", fn_type, None)
});
let val = ctx
.builder
.build_call(round_intrinsic, &[arg], "round")
.try_as_basic_value()
.left()
.unwrap();
Some(
ctx.builder
.build_float_to_signed_int(
val.into_float_value(),
ctx.ctx.i32_type(),
"fptosi",
)
.into(),
)
})))),
})),
Arc::new(RwLock::new(TopLevelDef::Function {
name: "round64".into(),
simple_name: "round64".into(),
signature: primitives.1.add_ty(TypeEnum::TFunc(RefCell::new(FunSignature {
args: vec![FuncArg { name: "_".into(), ty: float, default_value: None }],
ret: int64,
vars: Default::default(),
}))),
var_id: Default::default(),
instance_to_symbol: Default::default(),
instance_to_stmt: Default::default(),
resolver: None,
codegen_callback: Some(Arc::new(GenCall::new(Box::new(|ctx, _, _, args| {
let arg = args[0].1;
let round_intrinsic =
ctx.module.get_function("llvm.rint.f64").unwrap_or_else(|| {
let float = ctx.ctx.f64_type();
let fn_type = float.fn_type(&[float.into()], false);
ctx.module.add_function("llvm.rint.f64", fn_type, None)
});
let val = ctx
.builder
.build_call(round_intrinsic, &[arg], "round")
.try_as_basic_value()
.left()
.unwrap();
Some(
ctx.builder
.build_float_to_signed_int(
val.into_float_value(),
ctx.ctx.i64_type(),
"fptosi",
)
.into(),
)
})))),
})),
]; ];
let ast_list: Vec<Option<ast::Stmt<()>>> = vec![None, None, None, None, None]; let ast_list: Vec<Option<ast::Stmt<()>>> =
(0..top_level_def_list.len()).map(|_| None).collect();
izip!(top_level_def_list, ast_list).collect_vec() izip!(top_level_def_list, ast_list).collect_vec()
}; };
let primitives_ty = primitives.0; let primitives_ty = primitives.0;
@ -87,6 +298,19 @@ impl TopLevelComposer {
let mut built_in_id: HashMap<StrRef, DefinitionId> = Default::default(); let mut built_in_id: HashMap<StrRef, DefinitionId> = Default::default();
let mut built_in_ty: HashMap<StrRef, Type> = Default::default(); let mut built_in_ty: HashMap<StrRef, Type> = Default::default();
for (id, name) in ["int32", "int64", "float", "round", "round64"].iter().rev().enumerate() {
let name = (**name).into();
let id = definition_ast_list.len() - id - 1;
let def = definition_ast_list[id].0.read();
if let TopLevelDef::Function { simple_name, signature, .. } = &*def {
assert!(name == *simple_name);
built_in_ty.insert(name, *signature);
built_in_id.insert(name, DefinitionId(id));
} else {
unreachable!()
}
}
for (name, sig) in builtins { for (name, sig) in builtins {
let fun_sig = unifier.add_ty(TypeEnum::TFunc(RefCell::new(sig))); let fun_sig = unifier.add_ty(TypeEnum::TFunc(RefCell::new(sig)));
built_in_ty.insert(name, fun_sig); built_in_ty.insert(name, fun_sig);
@ -133,7 +357,7 @@ impl TopLevelComposer {
self.unifier.get_shared_unifier(), self.unifier.get_shared_unifier(),
self.primitives_ty, self.primitives_ty,
)])), )])),
personality_symbol: None personality_symbol: None,
} }
} }
@ -816,17 +1040,7 @@ impl TopLevelComposer {
} = &mut *class_def } = &mut *class_def
{ {
if let ast::StmtKind::ClassDef { name, bases, body, .. } = &class_ast { if let ast::StmtKind::ClassDef { name, bases, body, .. } = &class_ast {
( (*object_id, *name, bases, body, ancestors, fields, methods, type_vars, resolver)
*object_id,
*name,
bases,
body,
ancestors,
fields,
methods,
type_vars,
resolver,
)
} else { } else {
unreachable!("here must be class def ast"); unreachable!("here must be class def ast");
} }
@ -1087,8 +1301,7 @@ impl TopLevelComposer {
let mut is_override: HashSet<StrRef> = HashSet::new(); let mut is_override: HashSet<StrRef> = HashSet::new();
for (anc_method_name, anc_method_ty, anc_method_def_id) in methods { for (anc_method_name, anc_method_ty, anc_method_def_id) in methods {
// find if there is a method with same name in the child class // find if there is a method with same name in the child class
let mut to_be_added = let mut to_be_added = (*anc_method_name, *anc_method_ty, *anc_method_def_id);
(*anc_method_name, *anc_method_ty, *anc_method_def_id);
for (class_method_name, class_method_ty, class_method_defid) in for (class_method_name, class_method_ty, class_method_defid) in
class_methods_def.iter() class_methods_def.iter()
{ {
@ -1107,11 +1320,8 @@ impl TopLevelComposer {
} }
// mark it as added // mark it as added
is_override.insert(*class_method_name); is_override.insert(*class_method_name);
to_be_added = ( to_be_added =
*class_method_name, (*class_method_name, *class_method_ty, *class_method_defid);
*class_method_ty,
*class_method_defid,
);
break; break;
} }
} }