/**
* Generates code for the string constant definition. This method is incomplete; you get to finish
* it up in programming assignment 5.
*
* @param stringclasstag the class tag for string object
* @param s the output stream
*/
public void codeDef(int stringclasstag, PrintStream s) {
IntSymbol lensym = (IntSymbol) AbstractTable.inttable.addInt(str.length());
// Add -1 eye catcher
s.println(CgenSupport.WORD + "-1");
codeRef(s);
s.print(CgenSupport.LABEL); // label
s.println(CgenSupport.WORD + stringclasstag); // tag
s.println(
CgenSupport.WORD
+ (CgenSupport.DEFAULT_OBJFIELDS
+ CgenSupport.STRING_SLOTS
+ (str.length() + 4) / 4)); // object size
s.print(CgenSupport.WORD);
/* Add code to reference the dispatch table for class String here */
CgenSupport.emitDispTableRef(TreeConstants.Str, s);
s.println(""); // dispatch table
s.print(CgenSupport.WORD);
lensym.codeRef(s);
s.println(""); // length
CgenSupport.emitStringConstant(str, s); // ascii string
s.print(CgenSupport.ALIGN); // align to word
}
public static void codeRefByString(String str, PrintStream s) {
StringSymbol symbol = (StringSymbol) AbstractTable.stringtable.lookup(str);
symbol.codeRef(s);
}
