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nac3core: top level add test utility to print stringfied type

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This commit is contained in:
ychenfo 2021-09-17 01:47:54 +08:00
parent d0df705c5a
commit 41e63f24d0
1 changed files with 26 additions and 3 deletions
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29
nac3core/src/toplevel/test.rs
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@ -9,7 +9,7 @@ use crate::{
}; };
use indoc::indoc; use indoc::indoc;
use parking_lot::Mutex; use parking_lot::Mutex;
use rustpython_parser::parser::parse_program; use rustpython_parser::{ast::fold::Fold, parser::parse_program};
use std::{collections::HashMap, sync::Arc}; use std::{collections::HashMap, sync::Arc};
use test_case::test_case; use test_case::test_case;
@ -910,6 +910,7 @@ fn test_analyze(source: Vec<&str>, res: Vec<&str>) {
vec![ vec![
indoc! {" indoc! {"
def fun(a: V) -> V: def fun(a: V) -> V:
b = a
return a return a
"} "}
], ],
@ -923,7 +924,7 @@ fn test_inference(source: Vec<&str>, res: Vec<&str>) {
let tvar_t = composer.unifier.get_fresh_var(); let tvar_t = composer.unifier.get_fresh_var();
let tvar_v = composer let tvar_v = composer
.unifier .unifier
.get_fresh_var_with_range(&[composer.primitives_ty.bool, composer.primitives_ty.int32]); .get_fresh_var_with_range(&[composer.primitives_ty.bool, composer.primitives_ty.int64]);
if print { if print {
println!("t: {}, {:?}", tvar_t.1, tvar_t.0); println!("t: {}, {:?}", tvar_t.1, tvar_t.0);
println!("v: {}, {:?}\n", tvar_v.1, tvar_v.0); println!("v: {}, {:?}\n", tvar_v.1, tvar_v.0);
@ -971,6 +972,7 @@ fn test_inference(source: Vec<&str>, res: Vec<&str>) {
} }
} else { } else {
// skip 5 to skip primitives // skip 5 to skip primitives
let mut stringify_folder = TypeToStringFolder { unifier: &mut composer.unifier};
for (i, (def, _)) in composer.definition_ast_list.iter().skip(5).enumerate() { for (i, (def, _)) in composer.definition_ast_list.iter().skip(5).enumerate() {
let def = &*def.read(); let def = &*def.read();
@ -979,7 +981,7 @@ fn test_inference(source: Vec<&str>, res: Vec<&str>) {
let ast = &inst.1.body; let ast = &inst.1.body;
println!("{}:", name); println!("{}:", name);
for b in ast { for b in ast {
println!("{:?}", b); println!("{:?}", stringify_folder.fold_stmt(b.clone()).unwrap());
println!("--------------------"); println!("--------------------");
} }
println!("\n"); println!("\n");
@ -988,3 +990,24 @@ fn test_inference(source: Vec<&str>, res: Vec<&str>) {
} }
} }
} }
struct TypeToStringFolder<'a> {
unifier: &'a mut Unifier
}
impl<'a> Fold<Option<Type>> for TypeToStringFolder<'a> {
type TargetU = String;
type Error = String;
fn map_user(&mut self, user: Option<Type>) -> Result<Self::TargetU, Self::Error> {
Ok(if let Some(ty) = user {
self.unifier.stringify(
ty,
&mut |id| format!("class{}", id.to_string()),
&mut |id| format!("tvar{}", id.to_string()),
)
} else {
"None".into()
}
)
}
}