virtual public void ifstmt(if_statement ast, int indent)
{
Write("if (");
visit(ast.expr);
Write(")");
if (ast.elsepart != null)
{
statement(ast.thenpart, indent + 1, false);
if (ast.thenpart is block_statement)
{
Write(" else");
}
else
{
Write("else", indent);
}
if (ast.elsepart is if_statement)
{
Write(" ");
ifstmt((if_statement)ast.elsepart, indent);
}
else
{
statement(ast.elsepart, indent + 1);
}
}
else
{
statement(ast.thenpart, indent + 1);
}
}
public virtual void if_statement(if_statement ast)
{
if (ast.elsepart != null)
{
statement(ast.elsepart);
}
ast.expr = expression(ast.expr);
statement(ast.thenpart);
}
//
// Search for
// if (... is ...) ...
// else if (... is ...) ...
//
public static void doit(AST ast)
{
if (ast is if_statement)
{
if_statement ifst = (if_statement)ast;
if (ifst.expr is is_expression && ifst.elsepart is if_statement &&
((if_statement)ifst.elsepart).expr is is_expression)
{
Console.WriteLine("{0}: Possible typeswitch pattern", ast.begin);
}
}
}
virtual public void ifstmt(if_statement ast, int indent)
{
// Write("if (");
// visit(ast.expr);
// Write(")");
// if (ast.elsepart != null) {
// statement(ast.thenpart, indent + 1, false);
// if (ast.thenpart is block_statement)
// Write(" else");
// else
// Write("else", indent);
// if (ast.elsepart is if_statement) {
// Write(" ");
// ifstmt((if_statement)ast.elsepart, indent);
// } else
// statement(ast.elsepart, indent + 1);
// } else
// statement(ast.thenpart, indent + 1);
}
virtual public void if_statement(if_statement ast, int indent)
{
// Indent(indent);
// ifstmt(ast, indent);
}