Import SQLite 3.10.2.

third_party/sqlite/src/tool/mksqlite3h.tcl

 #!/usr/bin/tclsh
 #
 # This script constructs the "sqlite3.h" header file from the following
 # sources:
 #
 #   1) The src/sqlite.h.in source file.  This is the template for sqlite3.h.
 #   2) The VERSION file containing the current SQLite version number.
 #   3) The manifest file from the fossil SCM.  This gives use the date.
 #   4) The manifest.uuid file from the fossil SCM.  This gives the SHA1 hash.
 #
@@ skipping 45 matching lines @@
   if {[regexp {^D (2[-0-9T:]+)} $line all date]} {
     set zDate [string map {T { }} $date]
     break
   }
 }
 close $in
 
 # Set up patterns for recognizing API declarations.
 #
 set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+sqlite3_[_a-zA-Z0-9]+(\[|;| =)}
-set declpattern {^ *[a-zA-Z][a-zA-Z_0-9 ]+ \**sqlite3_[_a-zA-Z0-9]+\(}
+set declpattern {^ *([a-zA-Z][a-zA-Z_0-9 ]+ \**)(sqlite3_[_a-zA-Z0-9]+)(\(.*)$}
 
 # Force the output to use unix line endings, even on Windows.
 fconfigure stdout -translation lf
 
 set filelist [subst {
   $TOP/src/sqlite.h.in
   $TOP/ext/rtree/sqlite3rtree.h
+  $TOP/ext/fts5/fts5.h
 }]
 
+# These are the functions that accept a variable number of arguments.  They
+# always need to use the "cdecl" calling convention even when another calling
+# convention (e.g. "stcall") is being used for the rest of the library.
+set cdecllist {
+  sqlite3_config
+  sqlite3_db_config
+  sqlite3_log
+  sqlite3_mprintf
+  sqlite3_snprintf
+  sqlite3_test_control
+  sqlite3_vtab_config
+}
+
 # Process the source files.
 #
 foreach file $filelist {
   set in [open $file]
   while {![eof $in]} {
   
     set line [gets $in]
 
     # File sqlite3rtree.h contains a line "#include <sqlite3.h>". Omit this
     # line when copying sqlite3rtree.h into sqlite3.h.
     #
-    if {[string match {*#include*<sqlite3.h>*} $line]} continue
+    if {[string match {*#include*[<"]sqlite3.h[>"]*} $line]} continue
   
     regsub -- --VERS--           $line $zVersion line
     regsub -- --VERSION-NUMBER-- $line $nVersion line
     regsub -- --SOURCE-ID--      $line "$zDate $zUuid" line
-  
-    if {[regexp {define SQLITE_EXTERN extern} $line]} {
-      puts $line
-      puts [gets $in]
-      puts ""
-      puts "#ifndef SQLITE_API"
-      puts "# define SQLITE_API"
-      puts "#endif"
-      set line ""
-    }
-  
-    if {([regexp $varpattern $line] && ![regexp {^ *typedef} $line])
-     || ([regexp $declpattern $line])
-    } {
+
+    if {[regexp $varpattern $line] && ![regexp {^ *typedef} $line]} {
       set line "SQLITE_API $line"
+    } else {
+      if {[regexp $declpattern $line all rettype funcname rest]} {
+        set line SQLITE_API
+        append line " " [string trim $rettype]
+        if {[string index $rettype end] ne "*"} {
+          append line " "
+        }
+        if {[lsearch -exact $cdecllist $funcname] >= 0} {
+          append line SQLITE_CDECL
+        } else {
+          append line SQLITE_STDCALL
+        }
+        append line " " $funcname $rest
+      }
     }
     puts $line
   }
   close $in
 }