Line data Source code
1 : use lief_ffi as ffi;
2 :
3 : use crate::common::{into_optional, FromFFI};
4 : use crate::generic;
5 : use std::marker::PhantomData;
6 : use std::path::Path;
7 :
8 : use super::compilation_unit::CompilationUnits;
9 : use super::public_symbol::PublicSymbols;
10 : use super::types::{Type, Types};
11 : use super::PublicSymbol;
12 :
13 : /// Main interface over a PDB.
14 : ///
15 : /// One can instantiate this structure with [`crate::pdb::load`],
16 : /// [`DebugInfo::from`] or using [`crate::generic::Binary::debug_info`].
17 : pub struct DebugInfo<'a> {
18 : ptr: cxx::UniquePtr<ffi::PDB_DebugInfo>,
19 : _owner: PhantomData<&'a ()>,
20 : }
21 :
22 : impl FromFFI<ffi::PDB_DebugInfo> for DebugInfo<'_> {
23 0 : fn from_ffi(info: cxx::UniquePtr<ffi::PDB_DebugInfo>) -> Self {
24 0 : Self {
25 0 : ptr: info,
26 0 : _owner: PhantomData,
27 0 : }
28 0 : }
29 : }
30 :
31 : impl DebugInfo<'_> {
32 : /// Create a DebugInfo from a PDB file path
33 0 : pub fn from<P: AsRef<Path>>(path: P) -> Option<DebugInfo<'static>> {
34 0 : into_optional(ffi::PDB_DebugInfo::from_file(
35 0 : path.as_ref().to_str().unwrap(),
36 0 : ))
37 0 : }
38 :
39 : /// The number of times the PDB file has been written.
40 0 : pub fn age(&self) -> u32 {
41 0 : self.ptr.age()
42 0 : }
43 :
44 : /// Unique identifier of the PDB file
45 0 : pub fn guid(&self) -> String {
46 0 : self.ptr.guid().to_string()
47 0 : }
48 :
49 : /// Iterator over the CompilationUnit from the PDB's DBI stream.
50 : /// [`crate::pdb::CompilationUnit`] are also named "Module" in the PDB's official documentation
51 0 : pub fn compilation_units(&self) -> CompilationUnits<'_> {
52 0 : CompilationUnits::new(self.ptr.compilation_units())
53 0 : }
54 :
55 : /// Return an iterator over the public symbol stream ([`PublicSymbol`])
56 0 : pub fn public_symbols(&self) -> PublicSymbols<'_> {
57 0 : PublicSymbols::new(self.ptr.public_symbols())
58 0 : }
59 :
60 : /// Try to find the [`PublicSymbol`] from the given name (based on the public symbol stream)
61 : ///
62 : ///
63 : /// ```
64 : /// if let Some(symbol) = info.public_symbol_by_name("MiSyncSystemPdes") {
65 : /// // FOUND!
66 : /// }
67 : /// ```
68 0 : pub fn public_symbol_by_name(&self, name: &str) -> Option<PublicSymbol<'_>> {
69 0 : into_optional(self.ptr.public_symbol_by_name(name))
70 0 : }
71 :
72 : /// Return an iterator over the different [`crate::pdb::Type`] registered for this PDB file
73 0 : pub fn types(&self) -> Types<'_> {
74 0 : Types::new(self.ptr.types())
75 0 : }
76 :
77 : /// Try to find the type with the given name
78 0 : pub fn type_by_name(&self, name: &str) -> Option<Type<'_>> {
79 0 : into_optional(self.ptr.find_type(name))
80 0 : }
81 :
82 : /// Try to find the type at the given index
83 0 : pub fn type_by_index(&self, index: u32) -> Option<Type<'_>> {
84 0 : into_optional(self.ptr.find_type_by_index(index))
85 0 : }
86 : }
87 :
88 : impl generic::DebugInfo for DebugInfo<'_> {
89 0 : fn as_generic(&self) -> &ffi::AbstracDebugInfo {
90 0 : self.ptr.as_ref().unwrap().as_ref()
91 0 : }
92 : }
93 :
94 : impl std::fmt::Display for DebugInfo<'_> {
95 0 : fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
96 0 : write!(f, "{}", self.ptr.to_string())
97 0 : }
98 : }
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