62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
"""
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Main module of the program.
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To start the application, call the main function. For the end user,
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this is achieved by a script stored in the bin folder.
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"""
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import argparse
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from llvm_emulator import stepper, parser
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def main():
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arg_parser = argparse.ArgumentParser(description='A hacky LLVM-- emulator/debugger')
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arg_parser.add_argument('-a', '--auto',
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action='store', type=str, dest='auto_path',
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help='Automatically step through llvm in the given file')
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arg_parser.add_argument('-s', '--step',
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action='store', type=int, dest='auto_step',
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default=100,
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help='How often to prompt for continuation in auto-mode, 0 is never')
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arg_parser.add_argument('-p', '--print',
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action='store', type=int, dest='print_level',
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default=3,
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help='Verboseness of the emulator')
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parse_res_raw = arg_parser.parse_args()
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parse_res = vars(parse_res_raw)
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global llvm_parser
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llvm_parser = parser.LLVMParser()
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llvm_parser.build( parse_res['print_level'] <= 1 )
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if parse_res['auto_path'] is not None:
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step_behavior = {
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'step_ask': parse_res['auto_step'],
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'step_print_level': parse_res['print_level']
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}
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go_auto(parse_res['auto_path'], step_behavior)
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else:
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enter_interactive_mode()
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def go_auto(path_to_file, step_behavior):
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with open(path_to_file, 'r') as f:
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file_contents = f.read()
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if step_behavior['step_print_level'] > 1:
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print('Parsing {}'
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.format(path_to_file))
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ast = llvm_parser.parse(file_contents)
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if step_behavior['step_print_level'] > 1:
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print('Beginning execution of {}'
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.format(path_to_file))
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stepper.auto_step(ast, step_behavior = step_behavior)
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def enter_interactive_mode():
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print('TODO: Interactive mode has not been implemented yet. Sorry...')
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