1 files changed, 39 insertions, 0 deletions
diff --git a/python/vhdl_langserver/lsptools.py b/python/vhdl_langserver/lsptools.py
new file mode 100644
index 000000000..0e34c82f5
--- /dev/null
+++ b/python/vhdl_langserver/lsptools.py
@@ -0,0 +1,39 @@
+import sys
+import argparse
+import json
+from . import lsp
+
+def lsp2json():
+    "Utility that transforms lsp log file to a JSON list"
+    conn = lsp.LSPConn(sys.stdin.buffer, sys.stdout.buffer)
+    ls = lsp.LanguageProtocolServer(None, conn)
+    res = []
+    while True:
+        req = ls.read_request()
+        if req is None:
+            break
+        res.append(json.loads(req))
+    print(json.dumps(res, indent=2))
+
+def json2lsp():
+    "Utility that transform a JSON list to an lsp file"
+    res = json.load(sys.stdin)
+    conn = lsp.LSPConn(sys.stdin.buffer, sys.stdout.buffer)
+    ls = lsp.LanguageProtocolServer(None, conn)
+    for req in res:
+        ls.write_output(req)
+
+def main():
+    parser = argparse.ArgumentParser()
+    subparsers = parser.add_subparsers(help="sub-command help")
+    parser_l2j = subparsers.add_parser('lsp2json',
+                                       help='convert lsp dump to JSON')
+    parser_l2j.set_defaults(func=lsp2json)
+    parser_j2l = subparsers.add_parser('json2lsp',
+                                       help='convert JSON to lsp dump')
+    parser_j2l.set_defaults(func=json2lsp)
+    args = parser.parse_args()
+    args.func()
+
+if __name__ == "__main__":
+    main()