__device__ void sqlite3ExplainPush(Vdbe *vdbe)
{
Explain *p;
if (vdbe && (p = vdbe->Explain) != 0)
{
if (p->Str.zText && p->Indents.Length < _lengthof(p->Indents))
{
const char *z = p->str.zText;
int i = p->str.nChar - 1;
int x;
while (i >= 0 && z[i] != '\n')
{
i--;
}
x = (p->str.nChar - 1) - i;
if (p->nIndent && x < p->aIndent[p->nIndent - 1])
{
x = p->aIndent[p->nIndent - 1];
}
p->aIndent[p->nIndent] = x;
}
p->nIndent++;
}
}
__device__ void sqlite3ExplainPop(Vdbe *p)
{
if (p && p->Explain)
{
p->Explain->Indents.Length--;
}
}
__device__ void sqlite3ExplainNL(Vdbe *vdbe)
{
Explain *p;
if (vdbe && (p = vdbe->Explain) != nullptr && !endsWithNL(p))
{
p->Str.Append("\n", 1);
}
}
__device__ void sqlite3ExplainFinish(Vdbe *vdbe)
{
if (vdbe && vdbe->Explain)
{
_free(vdbe->ExplainString);
sqlite3ExplainNL(vdbe);
vdbe->ExplainString = vdbe->Explain->Str.ToString();
_free(vdbe->Explain); vdbe->Explain = nullptr;
_benignalloc_end();
}
}
