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authordrh <drh@noemail.net>2015-06-08 15:08:15 +0000
committerdrh <drh@noemail.net>2015-06-08 15:08:15 +0000
commit38b4149ca1308db644dbf55426cc366c45ad7579 (patch)
tree1358311ba976552c37ceb2b794699cc5d0c831e0 /src/printf.c
parent6c1f4ef217deae6f288f86cb9b572256024fa97d (diff)
downloadsqlite-38b4149ca1308db644dbf55426cc366c45ad7579.tar.gz
sqlite-38b4149ca1308db644dbf55426cc366c45ad7579.zip
Factor out the TreeView parse tree printing module into a separate file.
FossilOrigin-Name: c32ce54ca46a4be4373983be6fd44b1f3a0250d1
Diffstat (limited to 'src/printf.c')
-rw-r--r--src/printf.c66
1 files changed, 1 insertions, 65 deletions
diff --git a/src/printf.c b/src/printf.c
index edf2210e0..ebdf44518 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -1,9 +1,6 @@
/*
** The "printf" code that follows dates from the 1980's. It is in
-** the public domain. The original comments are included here for
-** completeness. They are very out-of-date but might be useful as
-** an historical reference. Most of the "enhancements" have been backed
-** out so that the functionality is now the same as standard printf().
+** the public domain.
**
**************************************************************************
**
@@ -1058,67 +1055,6 @@ void sqlite3DebugPrintf(const char *zFormat, ...){
}
#endif
-#ifdef SQLITE_DEBUG
-/*************************************************************************
-** Routines for implementing the "TreeView" display of hierarchical
-** data structures for debugging.
-**
-** The main entry points (coded elsewhere) are:
-** sqlite3TreeViewExpr(0, pExpr, 0);
-** sqlite3TreeViewExprList(0, pList, 0, 0);
-** sqlite3TreeViewSelect(0, pSelect, 0);
-** Insert calls to those routines while debugging in order to display
-** a diagram of Expr, ExprList, and Select objects.
-**
-*/
-/* Add a new subitem to the tree. The moreToFollow flag indicates that this
-** is not the last item in the tree. */
-TreeView *sqlite3TreeViewPush(TreeView *p, u8 moreToFollow){
- if( p==0 ){
- p = sqlite3_malloc64( sizeof(*p) );
- if( p==0 ) return 0;
- memset(p, 0, sizeof(*p));
- }else{
- p->iLevel++;
- }
- assert( moreToFollow==0 || moreToFollow==1 );
- if( p->iLevel<sizeof(p->bLine) ) p->bLine[p->iLevel] = moreToFollow;
- return p;
-}
-/* Finished with one layer of the tree */
-void sqlite3TreeViewPop(TreeView *p){
- if( p==0 ) return;
- p->iLevel--;
- if( p->iLevel<0 ) sqlite3_free(p);
-}
-/* Generate a single line of output for the tree, with a prefix that contains
-** all the appropriate tree lines */
-void sqlite3TreeViewLine(TreeView *p, const char *zFormat, ...){
- va_list ap;
- int i;
- StrAccum acc;
- char zBuf[500];
- sqlite3StrAccumInit(&acc, 0, zBuf, sizeof(zBuf), 0);
- if( p ){
- for(i=0; i<p->iLevel && i<sizeof(p->bLine)-1; i++){
- sqlite3StrAccumAppend(&acc, p->bLine[i] ? "| " : " ", 4);
- }
- sqlite3StrAccumAppend(&acc, p->bLine[i] ? "|-- " : "'-- ", 4);
- }
- va_start(ap, zFormat);
- sqlite3VXPrintf(&acc, 0, zFormat, ap);
- va_end(ap);
- if( zBuf[acc.nChar-1]!='\n' ) sqlite3StrAccumAppend(&acc, "\n", 1);
- sqlite3StrAccumFinish(&acc);
- fprintf(stdout,"%s", zBuf);
- fflush(stdout);
-}
-/* Shorthand for starting a new tree item that consists of a single label */
-void sqlite3TreeViewItem(TreeView *p, const char *zLabel, u8 moreToFollow){
- p = sqlite3TreeViewPush(p, moreToFollow);
- sqlite3TreeViewLine(p, "%s", zLabel);
-}
-#endif /* SQLITE_DEBUG */
/*
** variable-argument wrapper around sqlite3VXPrintf().