mirror of
https://github.com/The-OpenROAD-Project/OpenLane.git
synced 2026-05-29 00:23:55 +08:00
fc1e687960
+ PDK now overridable via `override_env` and environment + Added mergeLib.py to merge liberty files for PDKs that require multiple liberty files ~ Make FP_IO_MIN_DISTANCE optional - Removed legacy OpenPhySyn variables
89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
#!/usr/bin/env python3
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# Copyright 2022 Efabless Corporation
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# Copyright 2020 The OpenROAD Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Direct-translated (more or less) from Perl to Python by Donn.
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import click
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import re
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import io
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library_start_rx = re.compile(r"library\s*\(")
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cell_start_rx = re.compile(r"^\s*cell\s*\(")
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def write_header(output_file: io.IOBase, final_library_name: str, input_str: str):
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f = output_file
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for line in input_str.split("\n"):
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if library_start_rx.match(line) is not None:
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print(f"library ({final_library_name}) {{", file=f)
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elif cell_start_rx.match(line) is not None:
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break
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else:
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print(line, file=f)
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def write_footer(output_file: io.IOBase):
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f = output_file
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print("\n}", file=f)
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@click.command()
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@click.option("-o", "--output", required=True, help="Output file")
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@click.option("-n", "--name", required=True, help="The name of the final library")
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@click.argument("input_libs", nargs=-1)
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def mergeLib(output, name, input_libs):
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file_strings = [open(input_lib).read() for input_lib in input_libs]
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out_str = ""
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with io.StringIO() as f:
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# Write everything up until (and excluding) the first cell to f,
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# replacing the library() header with a new name
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write_header(f, name, file_strings[0])
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# Find and write cells (and cells only)
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for input_str in file_strings:
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brace_count = 0
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for line in input_str.split("\n"):
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if cell_start_rx.match(line) is not None:
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if brace_count != 0:
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raise Exception(
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"Error: New cell before finishing the previous one."
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)
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else:
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print(f"\n{line}", file=f)
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brace_count += 1
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elif brace_count > 0:
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if "{" in line:
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brace_count += 1
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if "}" in line:
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brace_count -= 1
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print(line, file=f)
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# Write a footer (just a })
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write_footer(f)
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out_str = f.getvalue()
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with open(output, "w") as f:
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f.write(out_str)
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if __name__ == "__main__":
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mergeLib()
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