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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] <input_file>"
    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 ...