Migrate build system to CMake

See #5895 for details.

This commit does not include CI or documentation changes.

techlibs/common/cellhelp.py

@@ -1,100 +0,0 @@
-#!/usr/bin/env python3
-
-from __future__ import annotations
-import fileinput
-import json
-from pathlib import Path
-
-class SimHelper:
-    name: str = ""
-    title: str = ""
-    ports: str = ""
-    source: str = ""
-    desc: list[str]
-    code: list[str]
-    group: str = ""
-    ver: str = "1"
-    tags: list[str]
-
-    def __init__(self) -> None:
-        self.desc = []
-        self.tags = []
-    
-    def __str__(self) -> str:
-        printed_fields = [
-            "name", "title", "ports", "source", "desc", "code", "group", "ver",
-            "tags",
-        ]
-        # generate C++ struct
-        val = f"cell_help[{json.dumps(self.name)}] = "
-        val += "{\n"
-        for field in printed_fields:
-            field_val = getattr(self, field)
-            if isinstance(field_val, list):
-                field_val = "\n".join(field_val)
-            field_val = field_val.strip()
-            val += f'  {json.dumps(field_val)},\n'
-        val += "};\n"
-        return val
-
-def simcells_reparse(cell: SimHelper):
-    # cut manual signature
-    cell.desc = cell.desc[3:]
-
-    # code-block truth table
-    new_desc = []
-    indent = ""
-    for line in cell.desc:
-        if line.startswith("Truth table:"):
-            indent = "   "
-            new_desc.pop()
-            new_desc.extend(["::", ""])
-        new_desc.append(indent + line)
-    cell.desc = new_desc
-
-    # set version
-    cell.ver = "2a"
-
-simHelper = SimHelper()
-
-for line in fileinput.input():
-    line = line.rstrip()
-    # special comments
-    if line.startswith("//-"):
-        simHelper.desc.append(line[4:] if len(line) > 4 else "")
-    elif line.startswith("//* "):
-        _, key, val = line.split(maxsplit=2)
-        setattr(simHelper, key, val)
-    
-    # code parsing
-    if line.startswith("module "):
-        clean_line = line[7:].replace("\\", "").replace(";", "")
-        simHelper.name, simHelper.ports = clean_line.split(maxsplit=1)
-        simHelper.code = []
-        short_filename = Path(fileinput.filename()).name
-        simHelper.source = f'{short_filename}:{fileinput.filelineno()}'
-    elif not line.startswith("endmodule"):
-        line = "    " + line
-    try:
-        simHelper.code.append(line.replace("\t", "    "))
-    except AttributeError:
-        # no module definition, ignore line
-        pass
-    if line.startswith("endmodule"):
-        short_filename = Path(fileinput.filename()).name
-        if simHelper.ver == "1" and short_filename == "simcells.v":
-            # default simcells parsing
-            simcells_reparse(simHelper)
-
-        # check help
-        if simHelper.desc and simHelper.ver == "1" and short_filename == "simlib.v" and simHelper.desc[1].startswith('    '):
-            simHelper.desc.pop(1)
-
-        # check group
-        assert simHelper.group, f"techlibs/common/{simHelper.source}: {simHelper.name} cell missing group"
-
-        # dump
-        print(simHelper)
-        # new
-        simHelper = SimHelper()
-