14570645698

Committed 21 Apr 2025 08:57AM UTC coverage: 46.087% (-1.7%) from 47.789%

Build # 14570645698

Build Type

push

github

Committed by

Veykril

Commit Message

Implement `Facet` for (subset of) function pointers

Run Details

42 of 551 new or added lines in 6 files covered. (7.62%)

1 existing line in 1 file now uncovered.

5848 of 12689 relevant lines covered (46.09%)

55.67 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

11.43

/facet-core/src/types/function.rs

use crate::Shape;

/// Common fields for function pointer types
#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
#[repr(C)]
#[non_exhaustive]
pub struct FunctionPointerDef {
    /// The calling abi of the function pointer
    pub abi: FunctionAbi,

    /// All parameter types, in declaration order
    pub parameters: &'static [fn() -> &'static Shape],

    /// The return type
    pub return_type: fn() -> &'static Shape,
}

/// The calling ABI of a function pointer
#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, Default)]
#[repr(C)]
#[non_exhaustive]
pub enum FunctionAbi {
    /// C ABI
    C,

    /// Rust ABI
    #[default]
    Rust,

    /// An unknown ABI
    Unknown,
}
impl FunctionAbi {
    /// Returns the string in `extern "abi-string"` if not [`FunctionAbi::Unknown`].
    pub fn as_abi_str(&self) -> Option<&str> {
        match self {
            FunctionAbi::C => Some("C"),
            FunctionAbi::Rust => Some("Rust"),
            FunctionAbi::Unknown => None,
        }
    }
}

impl FunctionPointerDef {
    /// Returns a builder for FunctionPointerDef
    pub const fn builder() -> FunctionPointerDefBuilder {
        FunctionPointerDefBuilder::new()
    }
}

/// Builder for FunctionPointerDef
pub struct FunctionPointerDefBuilder {
    abi: Option<FunctionAbi>,
    parameters: &'static [fn() -> &'static Shape],
    return_type: Option<fn() -> &'static Shape>,
}

impl FunctionPointerDefBuilder {
    /// Creates a new FunctionPointerDefBuilder
    #[allow(clippy::new_without_default)]
    pub const fn new() -> Self {
        Self {
            parameters: &[],
            abi: None,
            return_type: None,
        }
    }

    /// Sets the abi for the FunctionPointerDef
    pub const fn abi(mut self, abi: FunctionAbi) -> Self {
        self.abi = Some(abi);
        self
    }

    /// Sets the parameters for the FunctionPointerDef
    pub const fn parameter_types(mut self, parameters: &'static [fn() -> &'static Shape]) -> Self {
        self.parameters = parameters;
        self
    }

    /// Sets the return type for the FunctionPointerDef
    pub const fn return_type(mut self, ty: fn() -> &'static Shape) -> Self {
        self.return_type = Some(ty);
        self
    }

    /// Builds the FunctionPointerDef
    pub const fn build(self) -> FunctionPointerDef {
        FunctionPointerDef {
            parameters: self.parameters,
            return_type: self.return_type.unwrap(),
            abi: self.abi.unwrap(),
        }
    }
}

1	use crate::Shape;
2
3	/// Common fields for function pointer types
4	#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
5	#[repr(C)]
6	#[non_exhaustive]
7	pub struct FunctionPointerDef {
8	/// The calling abi of the function pointer
9	pub abi: FunctionAbi,
10
11	/// All parameter types, in declaration order
12	pub parameters: &'static [fn() -> &'static Shape],
13
14	/// The return type
15	pub return_type: fn() -> &'static Shape,
16	}
17
18	/// The calling ABI of a function pointer
19	#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, Default)]
20	#[repr(C)]
21	#[non_exhaustive]
22	pub enum FunctionAbi {
23	/// C ABI
24	C,
25
26	/// Rust ABI
27	#[default]
28	Rust,
29
30	/// An unknown ABI
31	Unknown,
32	}
33	impl FunctionAbi {
34	/// Returns the string in `extern "abi-string"` if not [`FunctionAbi::Unknown`].
35	pub fn as_abi_str(&self) -> Option<&str> {	2✔
36	match self {	2✔
37	FunctionAbi::C => Some("C"),	2✔
NEW 38	FunctionAbi::Rust => Some("Rust"),	×
NEW 39	FunctionAbi::Unknown => None,	×
40	}
41	}	2✔
42	}
43
44	impl FunctionPointerDef {
45	/// Returns a builder for FunctionPointerDef
NEW 46	pub const fn builder() -> FunctionPointerDefBuilder {	×
NEW 47	FunctionPointerDefBuilder::new()	×
NEW 48	}	×
49	}
50
51	/// Builder for FunctionPointerDef
52	pub struct FunctionPointerDefBuilder {
53	abi: Option<FunctionAbi>,
54	parameters: &'static [fn() -> &'static Shape],
55	return_type: Option<fn() -> &'static Shape>,
56	}
57
58	impl FunctionPointerDefBuilder {
59	/// Creates a new FunctionPointerDefBuilder
60	#[allow(clippy::new_without_default)]
NEW 61	pub const fn new() -> Self {	×
NEW 62	Self {	×
NEW 63	parameters: &[],	×
NEW 64	abi: None,	×
NEW 65	return_type: None,	×
NEW 66	}	×
NEW 67	}	×
68
69	/// Sets the abi for the FunctionPointerDef
NEW 70	pub const fn abi(mut self, abi: FunctionAbi) -> Self {	×
NEW 71	self.abi = Some(abi);	×
NEW 72	self	×
NEW 73	}	×
74
75	/// Sets the parameters for the FunctionPointerDef
NEW 76	pub const fn parameter_types(mut self, parameters: &'static [fn() -> &'static Shape]) -> Self {	×
NEW 77	self.parameters = parameters;	×
NEW 78	self	×
NEW 79	}	×
80
81	/// Sets the return type for the FunctionPointerDef
NEW 82	pub const fn return_type(mut self, ty: fn() -> &'static Shape) -> Self {	×
NEW 83	self.return_type = Some(ty);	×
NEW 84	self	×
NEW 85	}	×
86
87	/// Builds the FunctionPointerDef
NEW 88	pub const fn build(self) -> FunctionPointerDef {	×
NEW 89	FunctionPointerDef {	×
NEW 90	parameters: self.parameters,	×
NEW 91	return_type: self.return_type.unwrap(),	×
NEW 92	abi: self.abi.unwrap(),	×
NEW 93	}	×
NEW 94	}	×
95	}

facet-rs / facet / 14570645698

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous