@Override
public void execute() {
if (table.exists(name)) stack.push(table.get(name));
else {
Errors.error("Variable does not exist.", table);
}
}
/**
* Run a "compiled" program by executing in order each instruction contained therein. Report on
* the final size of the stack (should normally be empty) and the contents of the symbol table.
*
* @param program a list of Machine instructions
*/
public static void execute(List<Instruction> program) {
reset();
System.out.println("Executing compiled code...");
for (Instruction instr : program) {
instr.execute();
}
System.out.println(
"Machine: execution ended with " + stack.size() + " items left on the stack.");
System.out.println();
table.dump();
}
/** Run the microsteps for the STORE instruction. */
@Override
public void execute() {
table.put(this.name, stack.pop());
}