struct_audit/
types.rs

1use serde::Serialize;
2
3#[derive(Debug, Clone, Serialize)]
4pub struct StructLayout {
5    pub name: String,
6    pub size: u64,
7    pub alignment: Option<u64>,
8    pub members: Vec<MemberLayout>,
9    pub metrics: LayoutMetrics,
10    #[serde(skip_serializing_if = "Option::is_none")]
11    pub source_location: Option<SourceLocation>,
12}
13
14#[derive(Debug, Clone, Serialize)]
15pub struct MemberLayout {
16    pub name: String,
17    pub type_name: String,
18    pub offset: Option<u64>,
19    pub size: Option<u64>,
20    #[serde(skip_serializing_if = "Option::is_none")]
21    pub bit_offset: Option<u64>,
22    #[serde(skip_serializing_if = "Option::is_none")]
23    pub bit_size: Option<u64>,
24}
25
26#[derive(Debug, Clone, Serialize, Default)]
27pub struct LayoutMetrics {
28    pub total_size: u64,
29    pub useful_size: u64,
30    pub padding_bytes: u64,
31    pub padding_percentage: f64,
32    pub cache_lines_spanned: u32,
33    pub cache_line_density: f64,
34    pub padding_holes: Vec<PaddingHole>,
35    #[serde(skip_serializing_if = "std::ops::Not::not")]
36    pub partial: bool,
37}
38
39#[derive(Debug, Clone, Serialize)]
40pub struct PaddingHole {
41    pub offset: u64,
42    pub size: u64,
43    pub after_member: Option<String>,
44}
45
46#[derive(Debug, Clone, Serialize)]
47pub struct SourceLocation {
48    pub file: String,
49    pub line: u64,
50}
51
52impl StructLayout {
53    pub fn new(name: String, size: u64, alignment: Option<u64>) -> Self {
54        Self {
55            name,
56            size,
57            alignment,
58            members: Vec::new(),
59            metrics: LayoutMetrics::default(),
60            source_location: None,
61        }
62    }
63}
64
65impl MemberLayout {
66    pub fn new(name: String, type_name: String, offset: Option<u64>, size: Option<u64>) -> Self {
67        Self { name, type_name, offset, size, bit_offset: None, bit_size: None }
68    }
69
70    pub fn end_offset(&self) -> Option<u64> {
71        match (self.offset, self.size) {
72            (Some(off), Some(sz)) => Some(off + sz),
73            _ => None,
74        }
75    }
76}
struct_audit/types.rs

struct_audit/
types.rs
