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Overview
Comment:Draw the TreeView debugging graphs using unicode box-drawing characters.
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Timelines: family | ancestors | box-character-graph
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SHA1: 0efc6859d104e1b12ec4bce5bb6db4e91f0837b5
User & Date: drh 2014-09-30 21:24:28
Context
2014-09-30
21:24
Draw the TreeView debugging graphs using unicode box-drawing characters. Closed-Leaf check-in: 0efc6859 user: drh tags: box-character-graph
19:04
Improvements to the new syntax-tree output routines: Omit the "END SELECT" mark and instead terminate the graph at the last item. Increase the maximum tree depth to 100. check-in: 5ce05757 user: drh tags: trunk
Changes
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Changes to src/printf.c.

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  int i;
  StrAccum acc;
  char zBuf[500];
  sqlite3StrAccumInit(&acc, zBuf, sizeof(zBuf), 0);
  acc.useMalloc = 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);







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  int i;
  StrAccum acc;
  char zBuf[500];
  sqlite3StrAccumInit(&acc, zBuf, sizeof(zBuf), 0);
  acc.useMalloc = 0;
  if( p ){
    for(i=0; i<p->iLevel && i<sizeof(p->bLine)-1; i++){
      if( p->bLine[i] ){
        sqlite3StrAccumAppend(&acc, "\342\224\202  ", 5);
      }else{
        sqlite3StrAccumAppend(&acc, "   ", 3);
      }
    }
    if( p->bLine[i] ){
      sqlite3StrAccumAppend(&acc, "\342\224\234\342\224\200 ", 7);
    }else{
      sqlite3StrAccumAppend(&acc, "\342\224\224\342\224\200 ", 7);
    }
  }
  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);