mirror of
https://github.com/vortexgpgpu/vortex.git
synced 2025-04-22 04:47:56 -04:00
64 lines
1.7 KiB
Python
Executable file
64 lines
1.7 KiB
Python
Executable file
#!/usr/bin/env python3
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# coding=utf-8
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from __future__ import print_function
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import sys
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import os
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import os.path as path
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import re
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import argparse
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from datetime import datetime
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script_dir = path.dirname(path.realpath(__file__))
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parser = argparse.ArgumentParser()
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parser.add_argument('-i', "--input", default='none', help='Verilog header')
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parser.add_argument('-o', "--output", default='none', help='C header')
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args = parser.parse_args()
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if args.input == 'none' or args.output == 'none':
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print('Error: invalid arguments')
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sys.exit()
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translation_rules = [
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# preprocessor directives
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(re.compile(r'`include\s+.*$'), r''),
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(re.compile(r'`ifdef'), r'#ifdef'),
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(re.compile(r'`ifndef'), r'#ifndef'),
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(re.compile(r'`elif'), r'#elif'),
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(re.compile(r'`else'), r'#else'),
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(re.compile(r'`define'), r'#define'),
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(re.compile(r'`endif'), r'#endif'),
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# macro expansion
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(re.compile(r"`([A-Za-z_][$_0-9A-Za-z]*)"), r'\1'),
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# literals
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(re.compile(r"\d+'d(\d+)"), r'\1'),
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(re.compile(r"\d+'b([01]+)"), r'0b\1'),
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(re.compile(r"\d+'h([\da-fA-F]+)"), r'0x\1')
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]
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with open(args.output, 'w') as f:
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print('''
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// auto-generated by gen_config.py. DO NOT EDIT
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// Generated at {date}
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// Translated from VX_config.vh:
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'''[1:].format(date=datetime.now()), file=f)
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with open(args.input, 'r') as r:
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lineno = 0
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for line in r:
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for pat, repl in translation_rules:
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match = pat.search(line)
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if match:
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line = re.sub(pat, repl, line)
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#print("*** match @" + str(lineno) + ": " + match.group() + " => " + line)
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f.write(line)
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lineno = lineno + 1
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print('''
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'''[1:], file=f)
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