Function build_safe_edit_patch

retrieval/src/lib.rs:3779–3819

(
    plan: &engine::EditPlan,
    target_symbol: &SymbolRecord,
    edit_description: &str,
    existing_code: &str,
    llm_response_text: Option<&str>,
    fallback_transform: engine::ASTTransforma

}

fn build_safe_edit_patch(
    plan: &engine::EditPlan,
    target_symbol: &SymbolRecord,
    edit_description: &str,
    existing_code: &str,
    llm_response_text: Option<&str>,
    fallback_transform: engine::ASTTransformation,
) -> Result<engine::CodePatch> {
    if let Some(replacement_code) = llm_response_text.and_then(extract_replacement_code) {
        return patch_engine::PatchEngine::generate_replacement_patch(
            &target_symbol.file,
            existing_code,
            patch_engine::LineRange {
                start_line: target_symbol.start_line as usize,
                end_line: target_symbol.end_line as usize,
            },
            &replacement_code,
        );
    }

    if plan.edit_type == engine::EditType::RenameSymbol {
        if let Some(new_name) = extract_rename_target(edit_description, &plan.target_symbol) {
            let renamed = replace_identifier_tokens(existing_code, &plan.target_symbol, &new_name);
            return patch_engine::PatchEngine::generate_replacement_patch(
                &target_symbol.file,
                existing_code,
                patch_engine::LineRange {
                    start_line: 1,
                    end_line: existing_code.lines().count().max(1),
                },
                &renamed,
            );
        }
    }

    Ok(patch_engine::PatchEngine::generate_ast_patch(
        &target_symbol.file,
        &plan.target_symbol,
        fallback_transform,
    ))
}

fn extract_replacement_code(response_text: &str) -> Option<String> {
    let trimmed = response_text.trim();