// and_test: not_test ('and' not_test)*
private Expression ParseAndTest() {
Expression ret = ParseNotTest();
while (MaybeEat(TokenKind.KeywordAnd)) {
SourceLocation start = ret.Start;
ret = new AndExpression(ret, ParseAndTest());
ret.SetLoc(start, GetEnd());
}
return ret;
}
// and_test: not_test ('and' not_test)*
private Expression ParseAndTest() {
Expression ret = ParseNotTest();
while (MaybeEat(TokenKind.KeywordAnd)) {
var start = ret.StartIndex;
ret = new AndExpression(ret, ParseAndTest());
ret.SetLoc(_globalParent, start, GetEnd());
}
return ret;
}
public override bool Walk(AndExpression node)
{
node.Parent = _currentScope;
return base.Walk(node);
}
internal BoolOp(AndExpression and)
: this() {
_values = PythonOps.MakeListNoCopy(Convert(and.Left), Convert(and.Right));
_op = And.Instance;
}
public override void PostWalk(AndExpression node)
{
string right = Content();
string left = Content();
Content("{0} && {1}", left, right);
CommonPostWalk(node, true);
}
// This is generated by the scripts\generate_walker.py script.
// That will scan all types that derive from the IronPython AST nodes that aren't interesting for scopes
// and inject into here.
#region Generated Python Name Binder Propagate Current Scope
// *** BEGIN GENERATED CODE ***
// generated by function: gen_python_name_binder from: generate_walker.py
// AndExpression
public override bool Walk(AndExpression node)
{
node.Parent = _currentScope;
return(base.Walk(node));
}
public void PostWalk(AndExpression node)
{
PostProcess(node);
}
public override bool Walk(AndExpression node)
{
CommonWalk(node);
return true;
}
internal override AstExpression Revert()
{
if (op == And.Instance) {
AndExpression ae = new AndExpression(
expr.Revert(values[0]),
expr.Revert(values[1]));
return ae;
} else if (op == Or.Instance) {
OrExpression oe = new OrExpression(
expr.Revert(values[0]),
expr.Revert(values[1]));
return oe;
}
throw PythonOps.TypeError("Unexpected boolean operator: {0}", op);
}
// AndExpression
public bool Walk(AndExpression node)
{
return Process(node);
}
public static string Format(AndExpression node)
{
return(Format(node.Left) + " And " + Format(node.Right));
}
// AndExpression
public virtual bool Walk(AndExpression node)
{
return false;
}
public virtual void PostWalk(AndExpression node)
{
}
public string Visit(PyAst.AndExpression node) => $"({Visit(node.Left)} and {Visit(node.Right)})";
public override bool Walk(AndExpression node)
{
writer.WriteLine("And");
return base.Walk(node);
}