cxx_gen/syntax/
ident.rs

1use crate::syntax::check::Check;
2use crate::syntax::{error, Api, Pair};
3
4fn check(cx: &mut Check, name: &Pair) {
5    for segment in &name.namespace {
6        check_cxx_ident(cx, &segment.to_string());
7    }
8    check_cxx_ident(cx, &name.cxx.to_string());
9    check_rust_ident(cx, &name.rust.to_string());
10
11    fn check_cxx_ident(cx: &mut Check, ident: &str) {
12        if ident.starts_with("cxxbridge") {
13            cx.error(ident, error::CXXBRIDGE_RESERVED.msg);
14        }
15        if ident.contains("__") {
16            cx.error(ident, error::DOUBLE_UNDERSCORE.msg);
17        }
18    }
19
20    fn check_rust_ident(cx: &mut Check, ident: &str) {
21        if ident.starts_with("cxxbridge") {
22            cx.error(ident, error::CXXBRIDGE_RESERVED.msg);
23        }
24    }
25}
26
27pub(crate) fn check_all(cx: &mut Check, apis: &[Api]) {
28    for api in apis {
29        match api {
30            Api::Include(_) | Api::Impl(_) => {}
31            Api::Struct(strct) => {
32                check(cx, &strct.name);
33                for field in &strct.fields {
34                    check(cx, &field.name);
35                }
36            }
37            Api::Enum(enm) => {
38                check(cx, &enm.name);
39                for variant in &enm.variants {
40                    check(cx, &variant.name);
41                }
42            }
43            Api::CxxType(ety) | Api::RustType(ety) => {
44                check(cx, &ety.name);
45            }
46            Api::CxxFunction(efn) | Api::RustFunction(efn) => {
47                check(cx, &efn.name);
48                for arg in &efn.args {
49                    check(cx, &arg.name);
50                }
51            }
52            Api::TypeAlias(alias) => {
53                check(cx, &alias.name);
54            }
55        }
56    }
57}