| #!/usr/bin/env python3 |
| # Copyright 2020 Efabless Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # takes a lef file and a y position => obstructs everything above |
| import sys |
| |
| ARGV = sys.argv |
| if len(ARGV) < 5: |
| print("Usage " + ARGV[0] + " llx lly urx ury") |
| sys.exit(-1) |
| LLX = float(ARGV[1]) |
| LLY = float(ARGV[2]) |
| URX = float(ARGV[3]) |
| URY = float(ARGV[4]) |
| LAYER_LIST = ["li1", "met1", "met2", "met3", "met4", "met5"] |
| |
| |
| def print_obs_section(): |
| for layer in LAYERS: |
| print(" LAYER %s ;" % (layer)) |
| print(" RECT %f %f %s %s ;" % (LLX, LLY, URX, URY)) |
| |
| |
| obs_section = False |
| macro_name = None |
| for line in sys.stdin: |
| if line.isspace(): |
| continue |
| |
| if line.startswith("MACRO"): |
| macro_name = line.split()[1] |
| LAYERS = {layer: False for layer in LAYER_LIST} |
| |
| if macro_name and line.startswith("END " + macro_name): |
| macro_name = None |
| if not any(layer[1] for layer in LAYERS.items()): |
| print(" OBS") |
| print_obs_section() |
| print(" END") |
| |
| if line.find("OBS") != -1: |
| obs_section = True |
| elif obs_section and line.find("END") != -1: |
| obs_section = False |
| for layer in LAYERS: # draw remaining obs on layers that didn't appear |
| if not LAYERS[layer]: |
| LAYERS[layer] = True |
| print(" LAYER %s ;" % (layer)) |
| print(" RECT %.3f %.3f %.3f %.3f ;" % (LLX, LLY, URX, URY)) |
| |
| print(line, end="") |
| if obs_section and line.find("LAYER") != -1: |
| line = line.split() |
| LAYERS[line[1]] = True |
| print(" RECT %.3f %.3f %.3f %.3f ;" % (LLX, LLY, URX, URY)) |