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package minijava.symboltable;
public class MStatement extends MType {
public enum Keyword {
Block, Assign, ArrAssign, If, While, Print;
}
Keyword s_type;
public MStatementList s_list; // for block statement
public MIdentifier s_id; // for assign, array assign
public MExpression e_first, e_second; // for assign(e_first), array assign, if, while, print
public MStatement s_first, s_second; // for if, while
public MStatement(Keyword keyw) {
s_type = keyw;
s_list = null;
s_id = null;
e_first = e_second = null;
s_first = s_second = null;
}
public void printStatement(int spaces) {
String sp = OutputFormat.spaces(spaces);
switch (s_type) {
case Block:
System.err.println(sp+"Block statement:");
break;
case Assign:
System.err.print(sp+"="+" ("+s_id.getName()+") (");
e_first.printExpr(0);
System.err.println(")");
break;
case ArrAssign:
System.err.println(sp+"[]=");
break;
case If:
System.err.println(sp+"if");
break;
case While:
System.err.println(sp+"while");
break;
case Print:
System.err.println(sp+"print");
break;
}
}
}
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