blob: 436671f54690f0f4a907e870921bcd18e89432ad [file] [log] [blame]
#!/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))