Add comments to the top of keywordhash.h. (CVS 3651)

FossilOrigin-Name: 0aa9ed5bbfb756967a6f761c5fc2f274a5466e2d

diff --git a/manifest b/manifest
index 7304fd36157064710669d20625b313029b238360..e1cfe3309400540a7886bf836601d6b3f472ebef 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Enhance\sthe\sdocumentation\sto\sclarify\sthat\sSQLite\sis\snot\sreentrant\sthrough\nthe\sauthorization\scallback\sfunction.\s\sTicket\s#2242.\s(CVS\s3650)
-D 2007-02-20T15:21:05
+C Add\scomments\sto\sthe\stop\sof\skeywordhash.h.\s(CVS\s3651)
+D 2007-02-21T16:44:33
 F Makefile.in 1fe3d0b46e40fd684e1e61f8e8056cefed16de9f
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -366,7 +366,7 @@ F tool/lempar.c fdc1672e97f72f72e76553038501da40fec9d251
 F tool/memleak.awk 4e7690a51bf3ed757e611273d43fe3f65b510133
 F tool/memleak2.awk 9cc20c8e8f3c675efac71ea0721ee6874a1566e8
 F tool/memleak3.tcl 7707006ee908cffff210c98158788d85bb3fcdbf
-F tool/mkkeywordhash.c 966af86ab29e2d152eebd40dfd9c8f45b3f0716b
+F tool/mkkeywordhash.c eb7cd7244b9725e9e77270d0572de8b22a96e83a
 F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e x
 F tool/omittest.tcl e6b3d6a1285f9813bc1dea53bb522b4b72774710
 F tool/opcodeDoc.awk b3a2a3d5d3075b8bd90b7afe24283efdd586659c
@@ -432,7 +432,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P 309f2de62f34160fa24a5e1a3de0d653aabfb52b
-R ec1e53d4484168716399300b8217329e
+P b18a758a8fbd4b286ae3475af26f290d8cd583f0
+R 566ea5b1e0dfed2e2d241f4a3621febf
 U drh
-Z bf338e8653240f5646718738c1dd0f1f
+Z 7bc0929710516af4b73ecceb079cfb42

diff --git a/manifest.uuid b/manifest.uuid
index c653c756aaa86210bd3b995d6972d57665582ab6..5084636e11a46dff291f0295ea8c80c9dc36cf6c 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-b18a758a8fbd4b286ae3475af26f290d8cd583f0
\ No newline at end of file
+0aa9ed5bbfb756967a6f761c5fc2f274a5466e2d
\ No newline at end of file

diff --git a/tool/mkkeywordhash.c b/tool/mkkeywordhash.c
index a1df7827cd8c418ffbbce991677f4c60117a5517..680d40624340377f9e3aec5a8dd7c94fddc6b28e 100644 (file)
--- a/tool/mkkeywordhash.c
+++ b/tool/mkkeywordhash.c
@@ -7,6 +7,25 @@
 #include <string.h>
 #include <stdlib.h>
 
+/*
+** A header comment placed at the beginning of generated code.
+*/
+static const char zHdr[] = 
+  "/***** This file contains automatically generated code ******\n"
+  "**\n"
+  "** The code in this file has been automatically generated by\n"
+  "**\n"
+  "**     $Header: /home/drh/sqlite/trans/cvs/sqlite/sqlite/tool/mkkeywordhash.c,v 1.25 2007/02/21 16:44:33 drh Exp $\n"
+  "**\n"
+  "** The code in this file implements a function that determines whether\n"
+  "** or not a given identifier is really an SQL keyword.  The same thing\n"
+  "** might be implemented more directly using a hand-written hash table.\n"
+  "** But by using this automatically generated code, the size of the code\n"
+  "** is substantially reduced.  This is important for embedded applications\n"
+  "** on platforms with limited memory.\n"
+  "*/\n"
+;
+
 /*
 ** All the keywords of the SQL language are stored as in a hash
 ** table composed of instances of the following structure.
@@ -410,6 +429,7 @@ int main(int argc, char **argv){
   }
 
   /* Begin generating code */
+  printf("%s", zHdr);
   printf("/* Hash score: %d */\n", bestCount);
   printf("static int keywordCode(const char *z, int n){\n");