libgir/codegen/
special_functions.rs

Help
1use std::io::{Result, Write};
2
3use super::general::version_condition;
4use crate::{
5    analysis::{self, special_functions::FunctionType},
6    version::Version,
7    Env,
8};
9
10pub(super) fn generate(
11    w: &mut dyn Write,
12    env: &Env,
13    function: &analysis::functions::Info,
14    specials: &analysis::special_functions::Infos,
15    scope_version: Option<Version>,
16) -> Result<bool> {
17    if let Some(special) = specials.functions().get(&function.glib_name) {
18        match special.type_ {
19            FunctionType::StaticStringify => {
20                generate_static_to_str(w, env, function, scope_version)
21            }
22        }
23        .map(|()| true)
24    } else {
25        Ok(false)
26    }
27}
28
29pub(super) fn generate_static_to_str(
30    w: &mut dyn Write,
31    env: &Env,
32    function: &analysis::functions::Info,
33    scope_version: Option<Version>,
34) -> Result<()> {
35    writeln!(w)?;
36    let version = Version::if_stricter_than(function.version, scope_version);
37    version_condition(w, env, None, version, false, 1)?;
38
39    writeln!(
40        w,
41        "\
42\t{visibility} fn {rust_fn_name}<'a>(self) -> &'a GStr {{
43\t\tunsafe {{
44\t\t\tGStr::from_ptr(
45\t\t\t\t{ns}::{glib_fn_name}(self.into_glib())
46\t\t\t\t\t.as_ref()
47\t\t\t\t\t.expect(\"{glib_fn_name} returned NULL\"),
48\t\t\t)
49\t\t}}
50\t}}",
51        visibility = function.visibility,
52        rust_fn_name = function.codegen_name(),
53        ns = env.main_sys_crate_name(),
54        glib_fn_name = function.glib_name,
55    )?;
56
57    Ok(())
58}
libgir/codegen/special_functions.rs

libgir/codegen/
special_functions.rs
