| import re |
| |
| |
| def parse_pcf(f, pin_map, icecube2_hacks=False): |
| pcf_data = {} |
| for i, oline in enumerate(f): |
| line = oline |
| if icecube2_hacks and not re.search(" # ICE_(GB_)?IO", line): |
| continue |
| line = re.sub(r"#.*", "", line.strip()).split() |
| if "--warn-no-port" in line: |
| line.remove("--warn-no-port") |
| if len(line) and line[0] == "set_io": |
| p = line[1] |
| if icecube2_hacks: |
| p = p.lower() |
| p = re.sub(r"_ibuf$", "", p) |
| p = re.sub(r"_obuft$", "", p) |
| p = re.sub(r"_obuf$", "", p) |
| p = re.sub(r"_gb_io$", "", p) |
| p = re.sub(r"_pad(_[0-9]+|)$", r"\1", p) |
| if not re.match(r"[a-zA-Z_][a-zA-Z0-9_]*(\[[0-9]*\])?$", p): |
| p = "\\%s " % p |
| if len(line) > 3: |
| pinloc = tuple([int(s) for s in line[2:]]) |
| else: |
| pinloc = (line[2], ) |
| |
| for loc in pinloc: |
| if loc not in pin_map: |
| raise SyntaxError( |
| """\ |
| Pin name {} doesn't exist! |
| Line: {} |
| {}""".format(loc, i, oline) |
| ) |
| pcf_data[p] = (pin_map[loc], oline.strip()) |
| return pcf_data |
