isl_rs/bindings/
vertices.rs1use super::{Context, Error, LibISLError};
5use libc::uintptr_t;
6
7pub struct Vertices {
9 pub ptr: uintptr_t,
10 pub should_free_on_drop: bool,
11}
12
13extern "C" {
14
15 fn isl_vertices_free(vertices: uintptr_t) -> uintptr_t;
16
17 fn isl_vertices_get_ctx(vertices: uintptr_t) -> uintptr_t;
18
19 fn isl_vertices_get_n_vertices(vertices: uintptr_t) -> i32;
20
21}
22
23impl Vertices {
24 pub fn free(self) -> Result<Vertices, LibISLError> {
26 let vertices = self;
27 let isl_rs_ctx = vertices.get_ctx();
28 let mut vertices = vertices;
29 vertices.do_not_free_on_drop();
30 let vertices = vertices.ptr;
31 let isl_rs_result = unsafe { isl_vertices_free(vertices) };
32 let isl_rs_result = Vertices { ptr: isl_rs_result,
33 should_free_on_drop: true };
34 let err = isl_rs_ctx.last_error();
35 if err != Error::None_ {
36 let err_msg = isl_rs_ctx.last_error_msg();
37 isl_rs_ctx.reset_error();
38 return Err(LibISLError::new(err, err_msg));
39 }
40 Ok(isl_rs_result)
41 }
42
43 pub fn get_ctx(&self) -> Context {
45 let vertices = self;
46 let vertices = vertices.ptr;
47 let isl_rs_result = unsafe { isl_vertices_get_ctx(vertices) };
48 let isl_rs_result = Context { ptr: isl_rs_result,
49 should_free_on_drop: false };
50 isl_rs_result
51 }
52
53 pub fn get_n_vertices(&self) -> Result<i32, LibISLError> {
55 let vertices = self;
56 let isl_rs_ctx = vertices.get_ctx();
57 let vertices = vertices.ptr;
58 let isl_rs_result = unsafe { isl_vertices_get_n_vertices(vertices) };
59 let err = isl_rs_ctx.last_error();
60 if err != Error::None_ {
61 let err_msg = isl_rs_ctx.last_error_msg();
62 isl_rs_ctx.reset_error();
63 return Err(LibISLError::new(err, err_msg));
64 }
65 Ok(isl_rs_result)
66 }
67
68 pub fn do_not_free_on_drop(&mut self) {
71 self.should_free_on_drop = false;
72 }
73}
74
75impl Drop for Vertices {
76 fn drop(&mut self) {
77 if self.should_free_on_drop {
78 unsafe {
79 isl_vertices_free(self.ptr);
80 }
81 }
82 }
83}