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mago_analyzer/plugin/provider/
method.rs

1//! Method return type provider trait.
2
3use mago_atom::Atom;
4use mago_atom::ascii_lowercase_atom;
5use mago_atom::concat_atom;
6use mago_atom::starts_with_ignore_case;
7use mago_codex::ttype::union::TUnion;
8
9use crate::plugin::context::InvocationInfo;
10use crate::plugin::context::ProviderContext;
11use crate::plugin::provider::Provider;
12
13#[derive(Debug, Clone, Copy, PartialEq, Eq)]
14pub struct MethodTarget {
15    pub class: &'static str,
16    pub method: &'static str,
17}
18
19impl MethodTarget {
20    #[inline]
21    #[must_use]
22    pub const fn exact(class: &'static str, method: &'static str) -> Self {
23        Self { class, method }
24    }
25
26    #[inline]
27    #[must_use]
28    pub const fn all_methods(class: &'static str) -> Self {
29        Self { class, method: "*" }
30    }
31
32    #[inline]
33    #[must_use]
34    pub const fn any_class(method: &'static str) -> Self {
35        Self { class: "*", method }
36    }
37
38    #[must_use]
39    pub fn matches(&self, class_name: &str, method_name: &str) -> bool {
40        self.matches_class(class_name) && self.matches_method(method_name)
41    }
42
43    fn matches_class(&self, class_name: &str) -> bool {
44        if self.class == "*" {
45            return true;
46        }
47
48        if self.class.ends_with('*') {
49            starts_with_ignore_case(class_name, &self.class[..self.class.len() - 1])
50        } else {
51            class_name.eq_ignore_ascii_case(self.class)
52        }
53    }
54
55    fn matches_method(&self, method_name: &str) -> bool {
56        if self.method == "*" {
57            return true;
58        }
59
60        if self.method.ends_with('*') {
61            starts_with_ignore_case(method_name, &self.method[..self.method.len() - 1])
62        } else {
63            method_name.eq_ignore_ascii_case(self.method)
64        }
65    }
66
67    #[must_use]
68    pub fn is_exact(&self) -> bool {
69        !self.class.contains('*') && !self.method.contains('*')
70    }
71
72    #[must_use]
73    pub fn index_key(&self) -> Option<Atom> {
74        if self.is_exact() {
75            Some(concat_atom!(
76                ascii_lowercase_atom(self.class).as_str(),
77                "::",
78                ascii_lowercase_atom(self.method).as_str()
79            ))
80        } else {
81            None
82        }
83    }
84}
85
86pub trait MethodReturnTypeProvider: Provider {
87    fn targets() -> &'static [MethodTarget]
88    where
89        Self: Sized;
90
91    fn get_return_type(
92        &self,
93        context: &ProviderContext<'_, '_, '_>,
94        class_name: &str,
95        method_name: &str,
96        invocation: &InvocationInfo<'_, '_, '_>,
97    ) -> Option<TUnion>;
98}