diff options
Diffstat (limited to 'chromium/third_party/sqlite/sqlite-src-3240000/src/treeview.c')
| -rw-r--r-- | chromium/third_party/sqlite/sqlite-src-3240000/src/treeview.c | 573 |
1 files changed, 0 insertions, 573 deletions
diff --git a/chromium/third_party/sqlite/sqlite-src-3240000/src/treeview.c b/chromium/third_party/sqlite/sqlite-src-3240000/src/treeview.c deleted file mode 100644 index 970d85eba4d..00000000000 --- a/chromium/third_party/sqlite/sqlite-src-3240000/src/treeview.c +++ /dev/null @@ -1,573 +0,0 @@ -/* -** 2015-06-08 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -************************************************************************* -** -** This file contains C code to implement the TreeView debugging routines. -** These routines print a parse tree to standard output for debugging and -** analysis. -** -** The interfaces in this file is only available when compiling -** with SQLITE_DEBUG. -*/ -#include "sqliteInt.h" -#ifdef SQLITE_DEBUG - -/* -** Add a new subitem to the tree. The moreToFollow flag indicates that this -** is not the last item in the tree. -*/ -static 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 -*/ -static 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 -*/ -static 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++){ - sqlite3_str_append(&acc, p->bLine[i] ? "| " : " ", 4); - } - sqlite3_str_append(&acc, p->bLine[i] ? "|-- " : "'-- ", 4); - } - if( zFormat!=0 ){ - va_start(ap, zFormat); - sqlite3_str_vappendf(&acc, zFormat, ap); - va_end(ap); - assert( acc.nChar>0 ); - sqlite3_str_append(&acc, "\n", 1); - } - sqlite3StrAccumFinish(&acc); - fprintf(stdout,"%s", zBuf); - fflush(stdout); -} - -/* -** Shorthand for starting a new tree item that consists of a single label -*/ -static void sqlite3TreeViewItem(TreeView *p, const char *zLabel,u8 moreFollows){ - p = sqlite3TreeViewPush(p, moreFollows); - sqlite3TreeViewLine(p, "%s", zLabel); -} - -/* -** Generate a human-readable description of a WITH clause. -*/ -void sqlite3TreeViewWith(TreeView *pView, const With *pWith, u8 moreToFollow){ - int i; - if( pWith==0 ) return; - if( pWith->nCte==0 ) return; - if( pWith->pOuter ){ - sqlite3TreeViewLine(pView, "WITH (0x%p, pOuter=0x%p)",pWith,pWith->pOuter); - }else{ - sqlite3TreeViewLine(pView, "WITH (0x%p)", pWith); - } - if( pWith->nCte>0 ){ - pView = sqlite3TreeViewPush(pView, 1); - for(i=0; i<pWith->nCte; i++){ - StrAccum x; - char zLine[1000]; - const struct Cte *pCte = &pWith->a[i]; - sqlite3StrAccumInit(&x, 0, zLine, sizeof(zLine), 0); - sqlite3_str_appendf(&x, "%s", pCte->zName); - if( pCte->pCols && pCte->pCols->nExpr>0 ){ - char cSep = '('; - int j; - for(j=0; j<pCte->pCols->nExpr; j++){ - sqlite3_str_appendf(&x, "%c%s", cSep, pCte->pCols->a[j].zName); - cSep = ','; - } - sqlite3_str_appendf(&x, ")"); - } - sqlite3_str_appendf(&x, " AS"); - sqlite3StrAccumFinish(&x); - sqlite3TreeViewItem(pView, zLine, i<pWith->nCte-1); - sqlite3TreeViewSelect(pView, pCte->pSelect, 0); - sqlite3TreeViewPop(pView); - } - sqlite3TreeViewPop(pView); - } -} - - -/* -** Generate a human-readable description of a Select object. -*/ -void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 moreToFollow){ - int n = 0; - int cnt = 0; - if( p==0 ){ - sqlite3TreeViewLine(pView, "nil-SELECT"); - return; - } - pView = sqlite3TreeViewPush(pView, moreToFollow); - if( p->pWith ){ - sqlite3TreeViewWith(pView, p->pWith, 1); - cnt = 1; - sqlite3TreeViewPush(pView, 1); - } - do{ -#if SELECTTRACE_ENABLED - sqlite3TreeViewLine(pView, - "SELECT%s%s (%s/%p) selFlags=0x%x nSelectRow=%d", - ((p->selFlags & SF_Distinct) ? " DISTINCT" : ""), - ((p->selFlags & SF_Aggregate) ? " agg_flag" : ""), - p->zSelName, p, p->selFlags, - (int)p->nSelectRow - ); -#else - sqlite3TreeViewLine(pView, "SELECT%s%s (0x%p) selFlags=0x%x nSelectRow=%d", - ((p->selFlags & SF_Distinct) ? " DISTINCT" : ""), - ((p->selFlags & SF_Aggregate) ? " agg_flag" : ""), p, p->selFlags, - (int)p->nSelectRow - ); -#endif - if( cnt++ ) sqlite3TreeViewPop(pView); - if( p->pPrior ){ - n = 1000; - }else{ - n = 0; - if( p->pSrc && p->pSrc->nSrc ) n++; - if( p->pWhere ) n++; - if( p->pGroupBy ) n++; - if( p->pHaving ) n++; - if( p->pOrderBy ) n++; - if( p->pLimit ) n++; - } - sqlite3TreeViewExprList(pView, p->pEList, (n--)>0, "result-set"); - if( p->pSrc && p->pSrc->nSrc ){ - int i; - pView = sqlite3TreeViewPush(pView, (n--)>0); - sqlite3TreeViewLine(pView, "FROM"); - for(i=0; i<p->pSrc->nSrc; i++){ - struct SrcList_item *pItem = &p->pSrc->a[i]; - StrAccum x; - char zLine[100]; - sqlite3StrAccumInit(&x, 0, zLine, sizeof(zLine), 0); - sqlite3_str_appendf(&x, "{%d,*}", pItem->iCursor); - if( pItem->zDatabase ){ - sqlite3_str_appendf(&x, " %s.%s", pItem->zDatabase, pItem->zName); - }else if( pItem->zName ){ - sqlite3_str_appendf(&x, " %s", pItem->zName); - } - if( pItem->pTab ){ - sqlite3_str_appendf(&x, " tabname=%Q", pItem->pTab->zName); - } - if( pItem->zAlias ){ - sqlite3_str_appendf(&x, " (AS %s)", pItem->zAlias); - } - if( pItem->fg.jointype & JT_LEFT ){ - sqlite3_str_appendf(&x, " LEFT-JOIN"); - } - sqlite3StrAccumFinish(&x); - sqlite3TreeViewItem(pView, zLine, i<p->pSrc->nSrc-1); - if( pItem->pSelect ){ - sqlite3TreeViewSelect(pView, pItem->pSelect, 0); - } - if( pItem->fg.isTabFunc ){ - sqlite3TreeViewExprList(pView, pItem->u1.pFuncArg, 0, "func-args:"); - } - sqlite3TreeViewPop(pView); - } - sqlite3TreeViewPop(pView); - } - if( p->pWhere ){ - sqlite3TreeViewItem(pView, "WHERE", (n--)>0); - sqlite3TreeViewExpr(pView, p->pWhere, 0); - sqlite3TreeViewPop(pView); - } - if( p->pGroupBy ){ - sqlite3TreeViewExprList(pView, p->pGroupBy, (n--)>0, "GROUPBY"); - } - if( p->pHaving ){ - sqlite3TreeViewItem(pView, "HAVING", (n--)>0); - sqlite3TreeViewExpr(pView, p->pHaving, 0); - sqlite3TreeViewPop(pView); - } - if( p->pOrderBy ){ - sqlite3TreeViewExprList(pView, p->pOrderBy, (n--)>0, "ORDERBY"); - } - if( p->pLimit ){ - sqlite3TreeViewItem(pView, "LIMIT", (n--)>0); - sqlite3TreeViewExpr(pView, p->pLimit->pLeft, p->pLimit->pRight!=0); - if( p->pLimit->pRight ){ - sqlite3TreeViewItem(pView, "OFFSET", (n--)>0); - sqlite3TreeViewExpr(pView, p->pLimit->pRight, 0); - sqlite3TreeViewPop(pView); - } - sqlite3TreeViewPop(pView); - } - if( p->pPrior ){ - const char *zOp = "UNION"; - switch( p->op ){ - case TK_ALL: zOp = "UNION ALL"; break; - case TK_INTERSECT: zOp = "INTERSECT"; break; - case TK_EXCEPT: zOp = "EXCEPT"; break; - } - sqlite3TreeViewItem(pView, zOp, 1); - } - p = p->pPrior; - }while( p!=0 ); - sqlite3TreeViewPop(pView); -} - -/* -** Generate a human-readable explanation of an expression tree. -*/ -void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 moreToFollow){ - const char *zBinOp = 0; /* Binary operator */ - const char *zUniOp = 0; /* Unary operator */ - char zFlgs[60]; - pView = sqlite3TreeViewPush(pView, moreToFollow); - if( pExpr==0 ){ - sqlite3TreeViewLine(pView, "nil"); - sqlite3TreeViewPop(pView); - return; - } - if( pExpr->flags ){ - if( ExprHasProperty(pExpr, EP_FromJoin) ){ - sqlite3_snprintf(sizeof(zFlgs),zFlgs," flags=0x%x iRJT=%d", - pExpr->flags, pExpr->iRightJoinTable); - }else{ - sqlite3_snprintf(sizeof(zFlgs),zFlgs," flags=0x%x",pExpr->flags); - } - }else{ - zFlgs[0] = 0; - } - switch( pExpr->op ){ - case TK_AGG_COLUMN: { - sqlite3TreeViewLine(pView, "AGG{%d:%d}%s", - pExpr->iTable, pExpr->iColumn, zFlgs); - break; - } - case TK_COLUMN: { - if( pExpr->iTable<0 ){ - /* This only happens when coding check constraints */ - sqlite3TreeViewLine(pView, "COLUMN(%d)%s", pExpr->iColumn, zFlgs); - }else{ - sqlite3TreeViewLine(pView, "{%d:%d}%s", - pExpr->iTable, pExpr->iColumn, zFlgs); - } - break; - } - case TK_INTEGER: { - if( pExpr->flags & EP_IntValue ){ - sqlite3TreeViewLine(pView, "%d", pExpr->u.iValue); - }else{ - sqlite3TreeViewLine(pView, "%s", pExpr->u.zToken); - } - break; - } -#ifndef SQLITE_OMIT_FLOATING_POINT - case TK_FLOAT: { - sqlite3TreeViewLine(pView,"%s", pExpr->u.zToken); - break; - } -#endif - case TK_STRING: { - sqlite3TreeViewLine(pView,"%Q", pExpr->u.zToken); - break; - } - case TK_NULL: { - sqlite3TreeViewLine(pView,"NULL"); - break; - } - case TK_TRUEFALSE: { - sqlite3TreeViewLine(pView, - sqlite3ExprTruthValue(pExpr) ? "TRUE" : "FALSE"); - break; - } -#ifndef SQLITE_OMIT_BLOB_LITERAL - case TK_BLOB: { - sqlite3TreeViewLine(pView,"%s", pExpr->u.zToken); - break; - } -#endif - case TK_VARIABLE: { - sqlite3TreeViewLine(pView,"VARIABLE(%s,%d)", - pExpr->u.zToken, pExpr->iColumn); - break; - } - case TK_REGISTER: { - sqlite3TreeViewLine(pView,"REGISTER(%d)", pExpr->iTable); - break; - } - case TK_ID: { - sqlite3TreeViewLine(pView,"ID \"%w\"", pExpr->u.zToken); - break; - } -#ifndef SQLITE_OMIT_CAST - case TK_CAST: { - /* Expressions of the form: CAST(pLeft AS token) */ - sqlite3TreeViewLine(pView,"CAST %Q", pExpr->u.zToken); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); - break; - } -#endif /* SQLITE_OMIT_CAST */ - case TK_LT: zBinOp = "LT"; break; - case TK_LE: zBinOp = "LE"; break; - case TK_GT: zBinOp = "GT"; break; - case TK_GE: zBinOp = "GE"; break; - case TK_NE: zBinOp = "NE"; break; - case TK_EQ: zBinOp = "EQ"; break; - case TK_IS: zBinOp = "IS"; break; - case TK_ISNOT: zBinOp = "ISNOT"; break; - case TK_AND: zBinOp = "AND"; break; - case TK_OR: zBinOp = "OR"; break; - case TK_PLUS: zBinOp = "ADD"; break; - case TK_STAR: zBinOp = "MUL"; break; - case TK_MINUS: zBinOp = "SUB"; break; - case TK_REM: zBinOp = "REM"; break; - case TK_BITAND: zBinOp = "BITAND"; break; - case TK_BITOR: zBinOp = "BITOR"; break; - case TK_SLASH: zBinOp = "DIV"; break; - case TK_LSHIFT: zBinOp = "LSHIFT"; break; - case TK_RSHIFT: zBinOp = "RSHIFT"; break; - case TK_CONCAT: zBinOp = "CONCAT"; break; - case TK_DOT: zBinOp = "DOT"; break; - - case TK_UMINUS: zUniOp = "UMINUS"; break; - case TK_UPLUS: zUniOp = "UPLUS"; break; - case TK_BITNOT: zUniOp = "BITNOT"; break; - case TK_NOT: zUniOp = "NOT"; break; - case TK_ISNULL: zUniOp = "ISNULL"; break; - case TK_NOTNULL: zUniOp = "NOTNULL"; break; - - case TK_TRUTH: { - int x; - const char *azOp[] = { - "IS-FALSE", "IS-TRUE", "IS-NOT-FALSE", "IS-NOT-TRUE" - }; - assert( pExpr->op2==TK_IS || pExpr->op2==TK_ISNOT ); - assert( pExpr->pRight ); - assert( pExpr->pRight->op==TK_TRUEFALSE ); - x = (pExpr->op2==TK_ISNOT)*2 + sqlite3ExprTruthValue(pExpr->pRight); - zUniOp = azOp[x]; - break; - } - - case TK_SPAN: { - sqlite3TreeViewLine(pView, "SPAN %Q", pExpr->u.zToken); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); - break; - } - - case TK_COLLATE: { - sqlite3TreeViewLine(pView, "COLLATE %Q", pExpr->u.zToken); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); - break; - } - - case TK_AGG_FUNCTION: - case TK_FUNCTION: { - ExprList *pFarg; /* List of function arguments */ - if( ExprHasProperty(pExpr, EP_TokenOnly) ){ - pFarg = 0; - }else{ - pFarg = pExpr->x.pList; - } - if( pExpr->op==TK_AGG_FUNCTION ){ - sqlite3TreeViewLine(pView, "AGG_FUNCTION%d %Q", - pExpr->op2, pExpr->u.zToken); - }else{ - sqlite3TreeViewLine(pView, "FUNCTION %Q", pExpr->u.zToken); - } - if( pFarg ){ - sqlite3TreeViewExprList(pView, pFarg, 0, 0); - } - break; - } -#ifndef SQLITE_OMIT_SUBQUERY - case TK_EXISTS: { - sqlite3TreeViewLine(pView, "EXISTS-expr flags=0x%x", pExpr->flags); - sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); - break; - } - case TK_SELECT: { - sqlite3TreeViewLine(pView, "SELECT-expr flags=0x%x", pExpr->flags); - sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); - break; - } - case TK_IN: { - sqlite3TreeViewLine(pView, "IN flags=0x%x", pExpr->flags); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); - if( ExprHasProperty(pExpr, EP_xIsSelect) ){ - sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); - }else{ - sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0); - } - break; - } -#endif /* SQLITE_OMIT_SUBQUERY */ - - /* - ** x BETWEEN y AND z - ** - ** This is equivalent to - ** - ** x>=y AND x<=z - ** - ** X is stored in pExpr->pLeft. - ** Y is stored in pExpr->pList->a[0].pExpr. - ** Z is stored in pExpr->pList->a[1].pExpr. - */ - case TK_BETWEEN: { - Expr *pX = pExpr->pLeft; - Expr *pY = pExpr->x.pList->a[0].pExpr; - Expr *pZ = pExpr->x.pList->a[1].pExpr; - sqlite3TreeViewLine(pView, "BETWEEN"); - sqlite3TreeViewExpr(pView, pX, 1); - sqlite3TreeViewExpr(pView, pY, 1); - sqlite3TreeViewExpr(pView, pZ, 0); - break; - } - case TK_TRIGGER: { - /* If the opcode is TK_TRIGGER, then the expression is a reference - ** to a column in the new.* or old.* pseudo-tables available to - ** trigger programs. In this case Expr.iTable is set to 1 for the - ** new.* pseudo-table, or 0 for the old.* pseudo-table. Expr.iColumn - ** is set to the column of the pseudo-table to read, or to -1 to - ** read the rowid field. - */ - sqlite3TreeViewLine(pView, "%s(%d)", - pExpr->iTable ? "NEW" : "OLD", pExpr->iColumn); - break; - } - case TK_CASE: { - sqlite3TreeViewLine(pView, "CASE"); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); - sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0); - break; - } -#ifndef SQLITE_OMIT_TRIGGER - case TK_RAISE: { - const char *zType = "unk"; - switch( pExpr->affinity ){ - case OE_Rollback: zType = "rollback"; break; - case OE_Abort: zType = "abort"; break; - case OE_Fail: zType = "fail"; break; - case OE_Ignore: zType = "ignore"; break; - } - sqlite3TreeViewLine(pView, "RAISE %s(%Q)", zType, pExpr->u.zToken); - break; - } -#endif - case TK_MATCH: { - sqlite3TreeViewLine(pView, "MATCH {%d:%d}%s", - pExpr->iTable, pExpr->iColumn, zFlgs); - sqlite3TreeViewExpr(pView, pExpr->pRight, 0); - break; - } - case TK_VECTOR: { - sqlite3TreeViewBareExprList(pView, pExpr->x.pList, "VECTOR"); - break; - } - case TK_SELECT_COLUMN: { - sqlite3TreeViewLine(pView, "SELECT-COLUMN %d", pExpr->iColumn); - sqlite3TreeViewSelect(pView, pExpr->pLeft->x.pSelect, 0); - break; - } - case TK_IF_NULL_ROW: { - sqlite3TreeViewLine(pView, "IF-NULL-ROW %d", pExpr->iTable); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); - break; - } - default: { - sqlite3TreeViewLine(pView, "op=%d", pExpr->op); - break; - } - } - if( zBinOp ){ - sqlite3TreeViewLine(pView, "%s%s", zBinOp, zFlgs); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); - sqlite3TreeViewExpr(pView, pExpr->pRight, 0); - }else if( zUniOp ){ - sqlite3TreeViewLine(pView, "%s%s", zUniOp, zFlgs); - sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); - } - sqlite3TreeViewPop(pView); -} - - -/* -** Generate a human-readable explanation of an expression list. -*/ -void sqlite3TreeViewBareExprList( - TreeView *pView, - const ExprList *pList, - const char *zLabel -){ - if( zLabel==0 || zLabel[0]==0 ) zLabel = "LIST"; - if( pList==0 ){ - sqlite3TreeViewLine(pView, "%s (empty)", zLabel); - }else{ - int i; - sqlite3TreeViewLine(pView, "%s", zLabel); - for(i=0; i<pList->nExpr; i++){ - int j = pList->a[i].u.x.iOrderByCol; - char *zName = pList->a[i].zName; - int moreToFollow = i<pList->nExpr - 1; - if( j || zName ){ - sqlite3TreeViewPush(pView, moreToFollow); - moreToFollow = 0; - sqlite3TreeViewLine(pView, 0); - if( zName ){ - fprintf(stdout, "AS %s ", zName); - } - if( j ){ - fprintf(stdout, "iOrderByCol=%d", j); - } - fprintf(stdout, "\n"); - fflush(stdout); - } - sqlite3TreeViewExpr(pView, pList->a[i].pExpr, moreToFollow); - if( j || zName ){ - sqlite3TreeViewPop(pView); - } - } - } -} -void sqlite3TreeViewExprList( - TreeView *pView, - const ExprList *pList, - u8 moreToFollow, - const char *zLabel -){ - pView = sqlite3TreeViewPush(pView, moreToFollow); - sqlite3TreeViewBareExprList(pView, pList, zLabel); - sqlite3TreeViewPop(pView); -} - -#endif /* SQLITE_DEBUG */ |