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#!/usr/bin/env python

"""A C to Verilog compiler - Command line interface"""

__author__ = "Jon Dawson"

__copyright__ = "Copyright (C) 2012, Jonathan P Dawson"

__version__ = "0.1"

import sys

import os

from chips.compiler.compiler import comp

if len(sys.argv) < 2 or "help" in sys.argv or "h" in sys.argv:

    print "Usage: c2verilog.py [options] "

    print

    print "compile options:"

    print "  no_reuse      : prevent register resuse"

    print "  no_concurrent : prevent concurrency"

    print "  no_initialize_memory : don't initialize memory"

    print "  speed : optimize for speed (defaults to area)"

    print

    print "tool options:"

    print "  iverilog      : compiles using the icarus verilog compiler"

    print "  run           : runs compiled code, used with ghdl or modelsimoptions"

    sys.exit(-1)

input_file = sys.argv[-1]

options = sys.argv[1:-1]

name, inputs, outputs, documentation = comp(input_file, options)

#run the compiled design using the simulator of your choice.

if "iverilog" in sys.argv:

    import os

    import tempfile

    import shutil

    verilog_file = os.path.abspath("%s.v"%name)

    #tempdir = tempfile.mkdtemp()

    #os.chdir(tempdir)

    os.system("iverilog -o %s %s"%(name, verilog_file))

    if "run" in sys.argv:

      result = os.system("vvp %s"%name)

      if result:

        sys.exit(1)

      else:

        sys.exit(0)

    #shutil.rmtree(tempdir)

#Add more tools here ...