comparator.py

from pathlib import Path

src_base = Path("reducer/generator_source")
function_only_base = Path("reducer/generator_modified_onepass") 
newest_base = Path("reducer/generator_modified")

num_iters = 21

print(f"{'Iteration':<15}  {'Lines (src → fn → new)':<30}  {'Chars (src → fn → new)'}")
print("=" * 80)

for i in range(1, num_iters + 1):
    iter_label = f"iter_{i}"
    
    src_file = src_base / iter_label / "Main.java"
    fn_file = function_only_base / iter_label / "Main.java"
    new_file = newest_base / iter_label / "Main.java"

    try:
        with open(src_file, "r") as f: 
            lines_src = f.readlines()
        with open(fn_file, "r") as f: 
            lines_fn = f.readlines()
        with open(new_file, "r") as f: 
            lines_new = f.readlines()

        # Line counts
        lc_src = len(lines_src)
        lc_fn = len(lines_fn)
        lc_new = len(lines_new)
        # Char counts
        cc_src = sum(len(l) for l in lines_src)
        cc_fn = sum(len(l) for l in lines_fn)
        cc_new = sum(len(l) for l in lines_new)

        print(
            f"{iter_label:<15}  "
            f"{lc_src} → {lc_fn} → {lc_new:<30}  "
            f"{cc_src} → {cc_fn} → {cc_new}"
        )

    except FileNotFoundError as e:
        print(f"{iter_label:<7}  File not found: {e.filename}")