Function gen_getter

cranelift/codegen/meta/src/gen_settings.rs:148–178

Emit a getter function for `setting`.

(setting: &Setting, fmt: &mut Formatter)

/// Emit a getter function for `setting`.
fn gen_getter(setting: &Setting, fmt: &mut Formatter) {
    fmt.doc_comment(format!("{}\n{}", setting.description, setting.comment));
    match setting.specific {
        SpecificSetting::Bool(BoolSetting {
            predicate_number, ..
        }) => {
            fmt.add_block(&format!("pub fn {}(&self) -> bool", setting.name), |fmt| {
                fmtln!(fmt, "self.numbered_predicate({})", predicate_number);
            });
        }
        SpecificSetting::Enum(ref values) => {
            let ty = camel_case(setting.name);
            fmt.add_block(
                &format!("pub fn {}(&self) -> {}", setting.name, ty),
                |fmt| {
                    let mut m = Match::new(format!("self.bytes[{}]", setting.byte_offset));
                    for (i, v) in values.iter().enumerate() {
                        m.arm_no_fields(format!("{i}"), format!("{}::{}", ty, camel_case(v)));
                    }
                    m.arm_no_fields("_", "panic!(\"Invalid enum value\")");
                    fmt.add_match(m);
                },
            );
        }
        SpecificSetting::Num(_) => {
            fmt.add_block(&format!("pub fn {}(&self) -> u8", setting.name), |fmt| {
                fmtln!(fmt, "self.bytes[{}]", setting.byte_offset);
            });
        }
    }
}

/// Emits getters for each setting value.
fn gen_getters(group: &SettingGroup, fmt: &mut Formatter) {