cel_cxx_ffi/common/
ast.rs

1use crate::common::Type;
2use crate::protobuf::{Arena, DescriptorPool};
3
4#[cxx::bridge]
5mod ffi {
6    #[namespace = "google::protobuf"]
7    unsafe extern "C++" {
8        include!(<google/protobuf/descriptor.h>);
9
10        type Arena = super::Arena;
11        type DescriptorPool = super::DescriptorPool;
12    }
13
14    #[namespace = "cel"]
15    unsafe extern "C++" {
16        include!(<common/type.h>);
17        type Type<'a> = super::Type<'a>;
18
19        include!(<common/ast.h>);
20
21        type Ast;
22        #[rust_name = "is_checked"]
23        fn IsChecked(self: &Ast) -> bool;
24    }
25
26    #[namespace = "cel::ast_internal"]
27    unsafe extern "C++" {
28        include!(<common/ast/ast_impl.h>);
29
30        type AstImpl;
31        #[rust_name = "return_type"]
32        fn GetReturnType(self: &AstImpl) -> &AstType;
33
34        #[rust_name = "AstType"]
35        type Type;
36    }
37
38    #[namespace = "rust::cel_cxx"]
39    unsafe extern "C++" {
40        include!(<cel-cxx-ffi/include/ast.h>);
41
42        fn AstImpl_cast_from_public_ast(ast: &Ast) -> &AstImpl;
43        fn AstType_to_type<'a>(
44            ast_type: &AstType,
45            descriptor_pool: &DescriptorPool,
46            arena: &'a Arena,
47        ) -> Type<'a>;
48    }
49
50    impl UniquePtr<Ast> {}
51}
52
53pub use ffi::Ast;
54unsafe impl Send for Ast {}
55unsafe impl Sync for Ast {}
56
57impl Ast {
58    pub fn return_type<'a>(&self, descriptor_pool: &DescriptorPool, arena: &'a Arena) -> Type<'a> {
59        let ast_impl = ffi::AstImpl_cast_from_public_ast(self);
60        let ast_type = ast_impl.return_type();
61        ffi::AstType_to_type(ast_type, descriptor_pool, arena)
62    }
63}
cel_cxx_ffi/common/ast.rs

cel_cxx_ffi/common/
ast.rs
