| #!/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 rectangle => trims all RECT statements within the area |
| """ |
| import re |
| import sys |
| |
| RECT_REGEX = ( |
| r"^\s*RECT\s+(-?\d+\.?\d*)\s+(-?\d+\.?\d*)\s+(-?\d+\.?\d*)\s+(-?\d+\.?\d*)\s+;$" |
| ) |
| ORIGIN_REGEX = r"^\s*ORIGIN\s+(-?\d+\.?\d*)\s+(-?\d+\.?\d*)\s+;$" |
| |
| OFFSET_X = OFFSET_Y = 0 |
| for line in sys.stdin: |
| if line.isspace(): |
| continue |
| origin_match = re.search(ORIGIN_REGEX, line) |
| if origin_match: |
| OFFSET_X, OFFSET_Y = float(origin_match.group(1)), float(origin_match.group(2)) |
| print(line[: line.find("O")] + "ORIGIN %.3f %.3f ;" % (0, 0)) |
| else: |
| rect_match = re.search(RECT_REGEX, line) |
| if rect_match: |
| llx, lly, urx, ury = ( |
| float(rect_match.group(1)), |
| float(rect_match.group(2)), |
| float(rect_match.group(3)), |
| float(rect_match.group(4)), |
| ) |
| print( |
| line[: line.find("R")] |
| + "RECT %.3f %.3f %.3f %.3f ;" |
| % (llx + OFFSET_X, lly + OFFSET_Y, urx + OFFSET_X, ury + OFFSET_Y) |
| ) |
| else: |
| print(line, end="") |
