patch 8.2.4252: generating the normal command table at runtime is inefficient
Problem: Generating the normal command table at runtime is inefficient.
Solution: Generate the table with a Vim script and put it in a header file.
(Yegappan Lakshmanan, closes #9648)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index 3100d38..7852150 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -1446,6 +1446,16 @@
cmdidxs: ex_cmds.h
vim --clean -X --not-a-term -u create_cmdidxs.vim
+# Run vim script to generate the normal/visual mode command lookup table.
+# This only needs to be run when a new normal/visual mode command has been
+# added. If this fails because you don't have Vim yet:
+# - change nv_cmds[] in normal.c to add the new normal/visual mode command.
+# - build Vim
+# - run "make nvcmdidxs" using the new Vim to generate nv_cmdidxs.h
+# - rebuild Vim to use the newly generated nv_cmdidxs.h file.
+nvcmdidxs: normal.c
+ .\$(VIM) --clean -X --not-a-term -u create_nvcmdidxs.vim
+
test:
cd testdir
$(MAKE) /NOLOGO -f Make_dos.mak
@@ -1709,7 +1719,7 @@
$(OUTDIR)/channel.obj: $(OUTDIR) channel.c $(INCL)
-$(OUTDIR)/normal.obj: $(OUTDIR) normal.c $(INCL)
+$(OUTDIR)/normal.obj: $(OUTDIR) normal.c $(INCL) nv_cmdidxs.h
$(OUTDIR)/option.obj: $(OUTDIR) option.c $(INCL) optiondefs.h