build.py

import os
import sys
import platform

# Check that the given platform is supported
supported_platforms = ["Linux", "Windows"]
machine = platform.machine()
platform = platform.system()

if not platform in supported_platforms:
    sys.exit(
        "ERROR: {platform} is not officially supported. Supported platforms are {supported}".format(
            platform=sys.platform, supported=supported_platforms
        )
    )

# Read args to determine build mode (debug, release)
build_mode = "release"
valid_args = ["release", "debug"]

if len(sys.argv) == 2:
    arg = sys.argv[1]
    if arg not in valid_args:
        sys.exit("ERROR: {arg} is not a valid argument, expected {valid}".format(arg=arg, valid=valid_args))
    else:
        build_mode = arg

# Determine the build path based on platform
build_dir_path = os.curdir + "/build/"
file_name = "nemu_{platform}_{machine}_{mode}.bin".format(platform=platform, machine=machine, mode=build_mode).lower()
build_path = build_dir_path + file_name
odin_build_flags_path = "-out:" + build_path

# Determine build flags based on build mode
odin_build_flags_mode = ""
if build_mode == "release":
    vet = "-o:speed -vet-packages:nemu,emulator,utils -vet -vet-cast -vet-tabs -vet-semicolon "
    odin_build_flags_mode = "-no-bounds-check -disable-assert -ignore-warnings " + vet
elif build_mode == "debug":
    odin_build_flags_mode = "-o:speed -debug "

# Assemble all build flags
odin_build_flags_base = "-build-mode:exe "
odin_build_flags = (
    odin_build_flags_base
    + odin_build_flags_mode
    + odin_build_flags_path
)

# Create build dir if not exists
if not os.path.exists(build_dir_path):
    print("--- Created build directory at '{path}'".format(path=build_dir_path))
    os.mkdir(build_dir_path)

# Compile project
# @note should probably use subprocess.run instead but couldnt
# get that to work with odin compiler
print("--- Compiling...")
status = os.system("odin build src " + odin_build_flags)
if status != 0:
    print("ERROR: Could not create executable")
else:
    print("--- Created executable at '{path}'".format(path=build_path))