tool to extract constids.inc

tools/extract_constids.py

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+import argparse
+import sys
+import os
+import die
+
+consts = set()
+
+parser = argparse.ArgumentParser(description=__doc__)
+parser.add_argument('-yosys', dest='yosys', type=str,
+					help="Yosys share directory", default="/usr/local/share/yosys")
+parser.add_argument('-o', '--outfile', dest='outfile', type=argparse.FileType('w'),
+                    help="output HTML file")
+
+def export_name(name,fout):
+    if name not in consts:
+        print(f"X({name})", file=fout)
+        consts.add(name)
+    else:
+        print(f"//X({name})", file=fout)
+
+def parse_line(item,fout):
+    line = item.strip().split(" ")
+    if line[0] == "module":
+        name = line[1].split("(")[0]
+        print(f"// primitive {name}", file=fout)
+        export_name(name, fout)
+    elif line[0] == "parameter":
+        name = line[1]
+        if name.startswith("["):
+            name = line[2]
+        export_name(name, fout)
+    elif line[0] in ["input", "output" ,"inout"]:
+        items = " ".join(line[1:]).strip().split(",")
+        for it in items:
+            name = it.split(" ")[-1].strip()
+            if len(name)>0:
+                export_name(name, fout)
+    elif line[0].startswith("endmodule"):
+        print(file=fout)
+
+def main(argv):
+    args = parser.parse_args(argv[1:])
+    fout = args.outfile
+
+    print("// autogenerated items", file=fout)
+    with open(os.path.join(args.yosys, "gatemate", "cells_sim.v"), "r") as f:
+        for item in f:
+            parse_line(item,fout)
+    with open(os.path.join(args.yosys, "gatemate", "cells_bb.v"), "r") as f:
+        for item in f:
+            parse_line(item,fout)
+
+    for name,v in die.PRIMITIVES_PINS.items():
+        print(f"// hardware primitive {name}", file=fout)
+        export_name(name, fout)
+        print(f"// {name} pins", file=fout)
+        for pin in v:
+            export_name(pin.name, fout)
+        print(file=fout)
+
+    print("// end of autogenerated items", file=fout)
+    print(file=fout)
+
+if __name__ == "__main__":
+    main(sys.argv)