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fix some warning from clippy

This commit is contained in:
CrescentonC 2021-07-19 13:49:09 +08:00
parent c7051fcc22
commit 7b93720236
1 changed files with 31 additions and 34 deletions
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63
nac3core/src/typecheck/expression_inference.rs
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@ -94,7 +94,7 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_list(&self, elts: &Vec<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_list(&self, elts: &[ast::Expr<Option<Type>>]) -> Result<Option<Type>, String> {
if elts.is_empty() { if elts.is_empty() {
Ok(Some(TypeEnum::ParametricType(primitives::LIST_TYPE, vec![TypeEnum::BotType.into()]).into())) Ok(Some(TypeEnum::ParametricType(primitives::LIST_TYPE, vec![TypeEnum::BotType.into()]).into()))
} else { } else {
@ -116,7 +116,7 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_tuple(&self, elts: &Vec<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_tuple(&self, elts: &[ast::Expr<Option<Type>>]) -> Result<Option<Type>, String> {
let types = elts let types = elts
.iter() .iter()
.map(|x| (x.custom).clone()) .map(|x| (x.custom).clone())
@ -131,7 +131,7 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_arrtibute(&self, value: &Box<ast::Expr<Option<Type>>>, attr: &str) -> Result<Option<Type>, String> { fn infer_arrtibute(&self, value: &ast::Expr<Option<Type>>, attr: &str) -> Result<Option<Type>, String> {
let ty = value.custom.clone().ok_or_else(|| "no value".to_string())?; let ty = value.custom.clone().ok_or_else(|| "no value".to_string())?;
if let TypeEnum::TypeVariable(id) = ty.as_ref() { if let TypeEnum::TypeVariable(id) = ty.as_ref() {
let v = self.get_variable_def(*id); let v = self.get_variable_def(*id);
@ -160,7 +160,7 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_bool_ops(&self, values: &Vec<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_bool_ops(&self, values: &[ast::Expr<Option<Type>>]) -> Result<Option<Type>, String> {
assert_eq!(values.len(), 2); assert_eq!(values.len(), 2);
let left = values[0].custom.clone().ok_or_else(|| "no value".to_string())?; let left = values[0].custom.clone().ok_or_else(|| "no value".to_string())?;
let right = values[1].custom.clone().ok_or_else(|| "no value".to_string())?; let right = values[1].custom.clone().ok_or_else(|| "no value".to_string())?;
@ -172,7 +172,7 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_bin_ops(&self, left: &Box<ast::Expr<Option<Type>>>, op: &ast::Operator, right: &Box<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_bin_ops(&self, left: &ast::Expr<Option<Type>>, op: &ast::Operator, right: &ast::Expr<Option<Type>>) -> Result<Option<Type>, String> {
inference_core::resolve_call( inference_core::resolve_call(
&self, &self,
Some(left.custom.clone().ok_or_else(|| "no value".to_string())?), Some(left.custom.clone().ok_or_else(|| "no value".to_string())?),
@ -180,27 +180,26 @@ impl<'a> InferenceContext<'a> {
&[right.custom.clone().ok_or_else(|| "no value".to_string())?]) &[right.custom.clone().ok_or_else(|| "no value".to_string())?])
} }
fn infer_unary_ops(&self, op: &ast::Unaryop, operand: &Box<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_unary_ops(&self, op: &ast::Unaryop, operand: &ast::Expr<Option<Type>>) -> Result<Option<Type>, String> {
if let ast::Unaryop::Not = op { if let ast::Unaryop::Not = op {
if (**operand).custom == Some(self.get_primitive(primitives::BOOL_TYPE)) { if operand.custom == Some(self.get_primitive(primitives::BOOL_TYPE)) {
Ok(Some(self.get_primitive(primitives::BOOL_TYPE))) Ok(Some(self.get_primitive(primitives::BOOL_TYPE)))
} else { } else {
Err("logical not must be applied to bool".into()) Err("logical not must be applied to bool".into())
} }
} else { } else {
inference_core::resolve_call(&self, (**operand).custom.clone(), magic_methods::unaryop_name(op), &[]) inference_core::resolve_call(&self, operand.custom.clone(), magic_methods::unaryop_name(op), &[])
} }
} }
fn infer_compare(&self, left: &Box<ast::Expr<Option<Type>>>, ops: &Vec<ast::Cmpop>, comparators: &Vec<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_compare(&self, left: &ast::Expr<Option<Type>>, ops: &[ast::Cmpop], comparators: &[ast::Expr<Option<Type>>]) -> Result<Option<Type>, String> {
assert!(comparators.len() > 0);
if left.custom.is_none() || (!comparators.iter().all(|x| x.custom.is_some())) { if left.custom.is_none() || (!comparators.iter().all(|x| x.custom.is_some())) {
Err("comparison operands must have type".into()) Err("comparison operands must have type".into())
} else { } else {
let bool_type = Some(self.get_primitive(primitives::BOOL_TYPE)); let bool_type = Some(self.get_primitive(primitives::BOOL_TYPE));
let ty_first = inference_core::resolve_call( let ty_first = inference_core::resolve_call(
&self, &self,
Some(left.custom.clone().ok_or_else(|| "comparator must be able to be typed".to_string())?.clone()), Some(left.custom.clone().ok_or_else(|| "comparator must be able to be typed".to_string())?),
magic_methods::comparison_name(&ops[0]).ok_or_else(|| "unsupported comparison".to_string())?, magic_methods::comparison_name(&ops[0]).ok_or_else(|| "unsupported comparison".to_string())?,
&[comparators[0].custom.clone().ok_or_else(|| "comparator must be able to be typed".to_string())?])?; &[comparators[0].custom.clone().ok_or_else(|| "comparator must be able to be typed".to_string())?])?;
if ty_first != bool_type { if ty_first != bool_type {
@ -225,7 +224,7 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_call(&self, func: &Box<ast::Expr<Option<Type>>>, args: &Vec<ast::Expr<Option<Type>>>, _keywords: &Vec<ast::Keyword<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_call(&self, func: &ast::Expr<Option<Type>>, args: &[ast::Expr<Option<Type>>], _keywords: &[ast::Keyword<Option<Type>>]) -> Result<Option<Type>, String> {
if args.iter().all(|x| x.custom.is_some()) { if args.iter().all(|x| x.custom.is_some()) {
match &func.node { match &func.node {
ast::ExprKind::Name {id, ctx: _} ast::ExprKind::Name {id, ctx: _}
@ -249,20 +248,20 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_subscript(&self, value: &Box<ast::Expr<Option<Type>>>, slice: &Box<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_subscript(&self, value: &ast::Expr<Option<Type>>, slice: &ast::Expr<Option<Type>>) -> Result<Option<Type>, String> {
let val_type = value.custom.as_ref().ok_or_else(|| "no value".to_string())?.as_ref(); let val_type = value.custom.as_ref().ok_or_else(|| "no value".to_string())?.as_ref();
if let TypeEnum::ParametricType(primitives::LIST_TYPE, ls) = val_type { if let TypeEnum::ParametricType(primitives::LIST_TYPE, ls) = val_type {
if let ast::ExprKind::Slice {lower, upper, step} = &slice.node { if let ast::ExprKind::Slice {lower, upper, step} = &slice.node {
let int32_type = self.get_primitive(primitives::INT32_TYPE); let int32_type = self.get_primitive(primitives::INT32_TYPE);
let l = lower.as_ref().map_or( let l = lower.as_ref().map_or(
Ok(&int32_type), Ok(&int32_type),
|x| x.custom.as_ref().ok_or("lower bound cannot be typped".to_string()))?; |x| x.custom.as_ref().ok_or_else(|| "lower bound cannot be typped".to_string()))?;
let u = upper.as_ref().map_or( let u = upper.as_ref().map_or(
Ok(&int32_type), Ok(&int32_type),
|x| x.custom.as_ref().ok_or("upper bound cannot be typped".to_string()))?; |x| x.custom.as_ref().ok_or_else(|| "upper bound cannot be typped".to_string()))?;
let s = step.as_ref().map_or( let s = step.as_ref().map_or(
Ok(&int32_type), Ok(&int32_type),
|x| x.custom.as_ref().ok_or("step cannot be typped".to_string()))?; |x| x.custom.as_ref().ok_or_else(|| "step cannot be typped".to_string()))?;
if l == &int32_type && u == &int32_type && s == &int32_type { if l == &int32_type && u == &int32_type && s == &int32_type {
Ok(value.custom.clone()) Ok(value.custom.clone())
@ -290,19 +289,17 @@ impl<'a> InferenceContext<'a> {
} }
} }
fn infer_if_expr(&self, test: &Box<ast::Expr<Option<Type>>>, body: &Box<ast::Expr<Option<Type>>>, orelse: &Box<ast::Expr<Option<Type>>>) -> Result<Option<Type>, String> { fn infer_if_expr(&self, test: &ast::Expr<Option<Type>>, body: &ast::Expr<Option<Type>>, orelse: &ast::Expr<Option<Type>>) -> Result<Option<Type>, String> {
if test.custom != Some(self.get_primitive(primitives::BOOL_TYPE)) { if test.custom != Some(self.get_primitive(primitives::BOOL_TYPE)) {
Err("test should be bool".into()) Err("test should be bool".into())
} else if body.custom == orelse.custom {
Ok(body.custom.clone())
} else { } else {
if body.custom == orelse.custom { Err("divergent type at if expression".into())
Ok(body.custom.clone())
} else {
Err("divergent type at if expression".into())
}
} }
} }
fn _infer_list_comprehesion(&self, elt: &Box<ast::Expr<Option<Type>>>, generators: &Vec<ast::Comprehension<Option<Type>>>) -> Result<Option<Type>, String> { fn _infer_list_comprehesion(&self, elt: &ast::Expr<Option<Type>>, generators: &[ast::Comprehension<Option<Type>>]) -> Result<Option<Type>, String> {
if generators[0] if generators[0]
.ifs .ifs
.iter() .iter()
@ -372,7 +369,7 @@ impl<'a> InferenceContext<'a> {
target: target_folded, target: target_folded,
ifs: ifs_folded, ifs: ifs_folded,
iter: iter_folded, iter: iter_folded,
is_async: is_async is_async
}] }]
} }
}) })
@ -431,8 +428,8 @@ impl<'a> ExpressionInferencer<'a> {
pub mod test { pub mod test {
use crate::typecheck::{symbol_resolver::SymbolResolver, typedef::*, symbol_resolver::*, location::*}; use crate::typecheck::{symbol_resolver::SymbolResolver, symbol_resolver::*, location::*};
use rustpython_parser::ast::{self, Expr, fold::Fold}; use rustpython_parser::ast::Expr;
use super::*; use super::*;
pub fn new_ctx<'a>() -> ExpressionInferencer<'a> { pub fn new_ctx<'a>() -> ExpressionInferencer<'a> {
@ -480,7 +477,7 @@ pub mod test {
let num: i64 = 99999999999; let num: i64 = 99999999999;
let ast: Expr = Expr { let ast: Expr = Expr {
location: location, location,
custom: (), custom: (),
node: ast::ExprKind::Constant { node: ast::ExprKind::Constant {
value: ast::Constant::Int(num.into()), value: ast::Constant::Int(num.into()),
@ -493,7 +490,7 @@ pub mod test {
assert_eq!( assert_eq!(
new_ast, new_ast,
Expr { Expr {
location: location, location,
custom: Some(inferencer.ctx.get_primitive(primitives::INT64_TYPE)), custom: Some(inferencer.ctx.get_primitive(primitives::INT64_TYPE)),
node: ast::ExprKind::Constant { node: ast::ExprKind::Constant {
value: ast::Constant::Int(num.into()), value: ast::Constant::Int(num.into()),
@ -509,13 +506,13 @@ pub mod test {
let i32_t = inferencer.ctx.get_primitive(primitives::INT32_TYPE); let i32_t = inferencer.ctx.get_primitive(primitives::INT32_TYPE);
let float_t = inferencer.ctx.get_primitive(primitives::FLOAT_TYPE); let float_t = inferencer.ctx.get_primitive(primitives::FLOAT_TYPE);
let ast = rustpython_parser::parser::parse_expression("(123, 123.123, 999999999)").unwrap(); let ast = rustpython_parser::parser::parse_expression("(123, 123.123, 999999999)").unwrap();
let loc = ast.location.clone(); let loc = ast.location;
let folded = inferencer.fold_expr(ast).unwrap(); let folded = inferencer.fold_expr(ast).unwrap();
assert_eq!( assert_eq!(
folded, folded,
ast::Expr { ast::Expr {
location: loc, location: loc,
custom: Some(TypeEnum::ParametricType(primitives::TUPLE_TYPE, vec![i32_t.clone().into(), float_t.clone().into(), i32_t.clone().into()]).into()), custom: Some(TypeEnum::ParametricType(primitives::TUPLE_TYPE, vec![i32_t.clone(), float_t.clone(), i32_t.clone()]).into()),
node: ast::ExprKind::Tuple { node: ast::ExprKind::Tuple {
ctx: ast::ExprContext::Load, ctx: ast::ExprContext::Load,
elts: vec![ elts: vec![
@ -529,7 +526,7 @@ pub mod test {
}, },
ast::Expr { ast::Expr {
location: ast::Location::new(1, 7), location: ast::Location::new(1, 7),
custom: Some(float_t.clone()), custom: Some(float_t),
node: ast::ExprKind::Constant { node: ast::ExprKind::Constant {
value: ast::Constant::Float(123.123), value: ast::Constant::Float(123.123),
kind: None kind: None
@ -537,7 +534,7 @@ pub mod test {
}, },
ast::Expr { ast::Expr {
location: ast::Location::new(1, 16), location: ast::Location::new(1, 16),
custom: Some(i32_t.clone()), custom: Some(i32_t),
node: ast::ExprKind::Constant { node: ast::ExprKind::Constant {
value: ast::Constant::Int(999999999.into()), value: ast::Constant::Int(999999999.into()),
kind: None kind: None
@ -587,7 +584,7 @@ pub mod test {
new_ast, new_ast,
Expr { Expr {
location, location,
custom: Some(TypeEnum::ParametricType(primitives::LIST_TYPE, vec![inferencer.ctx.get_primitive(primitives::INT32_TYPE).into()]).into()), custom: Some(TypeEnum::ParametricType(primitives::LIST_TYPE, vec![inferencer.ctx.get_primitive(primitives::INT32_TYPE)]).into()),
node: ast::ExprKind::List { node: ast::ExprKind::List {
ctx: ast::ExprContext::Load, ctx: ast::ExprContext::Load,
elts: vec![ elts: vec![