internal static IEnumerable<Expression> SplitQuantifier(ComprehensionExpr quantifier) {
var body = quantifier.Term;
var binary = body as BinaryExpr;
if (quantifier is ForallExpr) {
IEnumerable<Expression> stream;
if (binary != null && (binary.Op == BinaryExpr.Opcode.Imp || binary.Op == BinaryExpr.Opcode.Or)) {
stream = SplitAndStich(binary, BinaryExpr.Opcode.And);
} else {
stream = SplitExpr(body, BinaryExpr.Opcode.And);
}
foreach (var e in stream) {
var tok = new NestedToken(quantifier.tok, e.tok);
yield return new ForallExpr(tok, ((ForallExpr)quantifier).TypeArgs, quantifier.BoundVars, quantifier.Range, e, CopyAttributes(quantifier.Attributes)) { Type = quantifier.Type };
}
} else if (quantifier is ExistsExpr) {
IEnumerable<Expression> stream;
if (binary != null && binary.Op == BinaryExpr.Opcode.And) {
stream = SplitAndStich(binary, BinaryExpr.Opcode.Or);
} else {
stream = SplitExpr(body, BinaryExpr.Opcode.Or);
}
foreach (var e in stream) {
var tok = new NestedToken(quantifier.tok, e.tok);
yield return new ExistsExpr(tok, ((ExistsExpr)quantifier).TypeArgs, quantifier.BoundVars, quantifier.Range, e, CopyAttributes(quantifier.Attributes)) { Type = quantifier.Type };
}
} else {
yield return quantifier;
}
}
internal static IEnumerable <Expression> SplitQuantifier(QuantifierExpr quantifier)
{
var body = quantifier.Term;
var binary = body as BinaryExpr;
if (quantifier is ForallExpr)
{
IEnumerable <Expression> stream;
if (binary != null && (binary.Op == BinaryExpr.Opcode.Imp || binary.Op == BinaryExpr.Opcode.Or))
{
stream = SplitAndStich(binary, BinaryExpr.Opcode.And);
}
else
{
stream = SplitExpr(body, BinaryExpr.Opcode.And);
}
foreach (var e in stream)
{
var tok = new NestedToken(quantifier.tok, e.tok);
yield return(new ForallExpr(tok, quantifier.TypeArgs, quantifier.BoundVars, quantifier.Range, e, CopyAttributes(quantifier.Attributes))
{
Type = quantifier.Type
});
}
}
else if (quantifier is ExistsExpr)
{
IEnumerable <Expression> stream;
if (binary != null && binary.Op == BinaryExpr.Opcode.And)
{
stream = SplitAndStich(binary, BinaryExpr.Opcode.Or);
}
else
{
stream = SplitExpr(body, BinaryExpr.Opcode.Or);
}
foreach (var e in stream)
{
var tok = new NestedToken(quantifier.tok, e.tok);
yield return(new ExistsExpr(tok, quantifier.TypeArgs, quantifier.BoundVars, quantifier.Range, e, CopyAttributes(quantifier.Attributes))
{
Type = quantifier.Type
});
}
}
else
{
yield return(quantifier);
}
}
/// <summary> /// Processes an existing <see cref="NestedToken"/> returning the SQL. /// </summary> /// <param name="compiledToken">Compiled <see cref="NestedToken"/> as a result of previously parsed SqlBinder script.</param> public string ProcessTemplate(NestedToken compiledToken) => ConstructSql(ProcessToken(compiledToken)).ToString().Trim();
