Add vhdl_ls.toml dump to run.py

Signed-off-by: Olof Kraigher <olof.kraigher@gmail.com>

run.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+import json
 from pathlib import Path
 from vunit import VUnit
 
@@ -15,11 +16,28 @@ PRJ.add_library("lib").add_source_files([
     src_file
     for src_file in ROOT.glob("*.vhdl")
     # Use multiply.vhd and not xilinx-mult.vhd. Use VHDL-based random.
-    if not any(exclude in str(src_file) for exclude in ["xilinx-mult", "foreign_random", "nonrandom"])
+    if not any(exclude in str(src_file) for exclude in ["xilinx-mult", "foreign_random", "nonrandom", "dmi_dtm_ecp5", "dmi_dtm_xilinx"])
 ])
 
 PRJ.add_library("unisim").add_source_files(ROOT / "sim-unisim" / "*.vhdl")
 
 PRJ.set_sim_option("disable_ieee_warnings", True)
 
+def _gen_vhdl_ls(vu):
+    """
+    Generate the vhdl_ls.toml file required by VHDL-LS language server.
+    """
+    # Repo root
+    parent = Path(__file__).parent
+
+    proj = vu._project
+    libs = proj.get_libraries()
+
+    with open(parent / 'vhdl_ls.toml', "w") as f:
+        for lib in libs:
+            f.write(f"[libraries.{lib.name}]\n")
+            files = [str(file).replace('\\', '/') for file in lib._source_files]
+            f.write(f"files = {json.dumps(files, indent=4)}\n")
+
+_gen_vhdl_ls(PRJ)
 PRJ.main()