Function parse_dep_entry

internal/cbm/lsp/rust_cargo.c:141–186

For the `[dependencies]` / `[dev-dependencies]` / `[workspace.dependencies]` * sections, parse `key = value` lines until the next section. The value * may be a string (the version) or an inline table. We capture both * shapes — only the key (crate name) and optional `path = "..."` field * matter for us. */

 * shapes — only the key (crate name) and optional `path = "..."` field
 * matter for us. */
static int parse_dep_entry(CBMArena* a, const char* s, int len, int from,
    CBMCargoManifest* out) {
    from = skip_ws_and_comment(s, len, from);
    if (from >= len || s[from] == '[') return from;
    const char* key = NULL;
    from = parse_key(a, s, len, from, &key);
    from = skip_ws_and_comment(s, len, from);
    if (from < len && s[from] == '=') {
        from++;
        from = skip_ws_and_comment(s, len, from);
    }
    const char* path_val = NULL;
    if (from < len && s[from] == '{') {
        /* Inline table — scan for `path = "..."`. */
        int depth = 1;
        from++;
        while (from < len && depth > 0) {
            from = skip_ws_and_comment(s, len, from);
            if (from >= len) break;
            char c = s[from];
            if (c == '}') { depth--; from++; continue; }
            if (c == ',') { from++; continue; }
            /* sub-key */
            const char* sub_key = NULL;
            from = parse_key(a, s, len, from, &sub_key);
            from = skip_ws_and_comment(s, len, from);
            if (from < len && s[from] == '=') {
                from++;
                from = skip_ws_and_comment(s, len, from);
            }
            if (sub_key && strcmp(sub_key, "path") == 0) {
                from = parse_string(a, s, len, from, &path_val);
            } else {
                from = skip_value(s, len, from);
            }
        }
    } else {
        from = skip_value(s, len, from);
    }
    if (key && out->dep_count < CBM_CARGO_MAX_DEPS) {
        out->deps[out->dep_count].name = key;
        out->deps[out->dep_count].path = path_val;
        out->dep_count++;
    }
    return from;
}

/* ── Section dispatcher ──────────────────────────────────────── */