#!/usr/bin/env python3

import sys
sys.path.append("..")

import gen_tests_makefile

import glob
import os

def base(fn):
    return os.path.splitext(fn)[0]

def cmd(lines):
    return " \\\n".join(lines)

# NB: *.aag and *.aig must contain a symbol table naming the primary
#     inputs and outputs, otherwise ABC and Yosys will name them
#     arbitrarily (and inconsistently with each other).

# Since ABC cannot read *.aag, read the *.aig instead
# (which would have been created by the reference aig2aig utility,
#  available from http://fmv.jku.at/aiger/)
def create_tests():
    aags = sorted(glob.glob("*.aag"))
    yss = sorted(glob.glob("*.ys"))
    for aag in aags:
        b = base(aag)

        gen_tests_makefile.generate_target(aag, cmd([
            f"$(ABC) -q \"read -c {b}.aig; write {b}_ref.v\";",
            "$(YOSYS) -qp \"",
            f"read_verilog {b}_ref.v;",
            "prep;",
            "design -stash gold;",
            f"read_aiger -clk_name clock {aag};",
            "prep;",
            "design -stash gate;",
            "design -import gold -as gold;",
            "design -import gate -as gate;",
            "miter -equiv -flatten -make_assert -make_outputs gold gate miter;",
            "sat -verify -prove-asserts -show-ports -seq 16 miter;",
            f"\" -l {aag}.log"
        ]))

    # ---- Yosys script tests ----
    for ys in yss:
        gen_tests_makefile.generate_ys_test(ys)

    gen_tests_makefile.generate_target("aigmap", cmd([
        "rm -rf gate; mkdir gate;",
        "$(YOSYS) --no-version -p \"test_cell -aigmap -w gate/ -n 1 -s 1 all\";",
        "set -o pipefail; diff --brief gold gate | tee aigmap.err;",
        "rm -f aigmap.err"
    ]))

extra = [ f"ABC ?= {gen_tests_makefile.yosys_basedir}/yosys-abc", "SHELL := /usr/bin/env bash" ]

gen_tests_makefile.generate_custom(create_tests, extra)