Function abi_version_of

native/shared/src/renderer/shader_include.rs:50–60

Parse the optional ABI version from a `// ABI-VERSION: N` comment at the top of a shader source. Returns 0 if absent. Used to fail pipeline creation early when a stale shader predates a header bump.

(source: &str)

/// at the top of a shader source. Returns 0 if absent. Used to fail
/// pipeline creation early when a stale shader predates a header bump.
pub fn abi_version_of(source: &str) -> u32 {
    for line in source.lines().take(20) {
        let trimmed = line.trim_start();
        if let Some(rest) = trimmed.strip_prefix("// ABI-VERSION:") {
            if let Ok(v) = rest.trim().parse::<u32>() {
                return v;
            }
        }
    }
    0
}

/// Recursively resolve `#include "..."` directives in `entry_path`'s
/// source, returning the fully-expanded WGSL. Each included file is