76 lines
1.9 KiB
Python
76 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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import argparse
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import subprocess
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import random
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import string
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parser = argparse.ArgumentParser(description="Compile a WHY program using WHYJIT.")
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parser.add_argument("input", help="File containing WHY source code")
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parser.add_argument("-o", "--output", help="Filename of the output executable to make", default="./a.why")
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parser.add_argument("-O", "--optimize", help="Optimization level", type=int, default="0")
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args = parser.parse_args()
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def randomword(length):
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letters = string.ascii_lowercase
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return ''.join(random.choice(letters) for i in range(length))
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def which(program):
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proc = subprocess.run(["which", program], stdout=subprocess.PIPE)
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if proc.returncode == 0:
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return proc.stdout.replace(b"\n", b"")
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else:
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return None
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def find_C_compiler():
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compilers = ["gcc", "clang", "tcc", "cc"]
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for compiler in compilers:
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path = which(compiler)
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if path != None:
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return path
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def build_output(code, mx):
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C_code = f"""
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#define QUITELONG long long int
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const QUITELONG max = {mx};
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int main() {{
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volatile QUITELONG i = 0; // disable some "optimizations" that RUIN OUR BEAUTIFUL CODE!
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while (i < max) {{
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i++;
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}}
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{code}
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}}
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"""
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heredoc = randomword(100)
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devnull = "2>/dev/null"
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shell_script = f"""#!/bin/sh
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TMP1=/tmp/ignore-me
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TMP2=/tmp/ignore-me-too
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TMP3=/tmp/dont-look-here
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cat << {heredoc} > $TMP1
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{C_code}
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{heredoc}
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sed -e '1,/^exit \$?$/d' "$0" > $TMP3
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chmod +x $TMP3
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$TMP3 -x c -o $TMP2 $TMP1
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chmod +x $TMP2
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$TMP2
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exit $?
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""".encode("utf-8")
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with open(find_C_compiler(), "rb") as f:
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return shell_script + f.read()
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input = args.input
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output = args.output
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with open(input, "r") as f:
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contents = f.read()
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looplen = max(1000, (2 ** -args.optimize) * 1000000000)
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code = build_output(
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contents,
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looplen
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)
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with open(output, "wb") as out:
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out.write(code)
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