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bindgen: snap

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This commit is contained in:
nym21
2026-03-16 09:04:10 +01:00
parent c1565c5f42
commit 46d85d397d
7 changed files with 220 additions and 357 deletions
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crates/brk_bindgen/src/backends/rust.rs
+11 -16
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@@ -5,6 +5,14 @@ use crate::{GenericSyntax, LanguageSyntax, to_snake_case};
/// Rust-specific code generation syntax.
pub struct RustSyntax;
/// Escape braces in a template string for use in `format!()`, preserving `{disc}`.
fn escape_rust_format(template: &str) -> String {
template
.replace('{', "{{")
.replace('}', "}}")
.replace("{{disc}}", "{disc}")
}
impl LanguageSyntax for RustSyntax {
fn field_name(&self, name: &str) -> String {
to_snake_case(name)
@@ -67,35 +75,22 @@ impl LanguageSyntax for RustSyntax {
let static_part = template.trim_end_matches("{disc}").trim_end_matches('_');
format!("_m(\"{}\", &disc)", static_part)
} else {
let rust_template = template
.replace("{disc}", "{disc}")
.replace('{', "{{")
.replace('}', "}}")
.replace("{{disc}}", "{disc}");
format!("format!(\"{}\")", rust_template)
format!("format!(\"{}\")", escape_rust_format(template))
}
}
fn template_expr(&self, acc_var: &str, template: &str) -> String {
if template == "{disc}" {
// _m(acc, disc) in Rust
format!("_m(&{}, &disc)", acc_var)
} else if template.is_empty() {
// Identity
acc_var.to_string()
} else if !template.contains("{disc}") {
// Static suffix
format!("_m(&{}, \"{}\")", acc_var, template)
} else {
// Template with disc: _m(&acc, &format!("ratio_{disc}_bps", disc=disc))
let rust_template = template
.replace("{disc}", "{disc}")
.replace('{', "{{")
.replace('}', "}}")
.replace("{{disc}}", "{disc}");
format!(
"_m(&{}, &format!(\"{}\", disc=disc))",
acc_var, rust_template
acc_var,
escape_rust_format(template)
)
}
}