private void initVars() {
vars = new Table();
vars.put(
symbol("malloc"),
new VarEntry(
new FUNCTION(
new RECORD(symbol("s"), Type.INT, null),
Type.VOIDPTR,
false,
new Label("malloc"))));
vars.put(
symbol("strcpy"),
new VarEntry(
new FUNCTION(
new RECORD(
symbol("s1"),
Type.CHARPTR,
new RECORD(
symbol("s2"), Type.CHARPTR, new RECORD(symbol("size"), Type.INT, null))),
Type.CHARPTR,
false,
new Label("strcpy"))));
vars.put(
symbol("printf"),
new VarEntry(
new FUNCTION(
new RECORD(symbol("s"), Type.CHARPTR, null), Type.INT, true, new Label("printf"))));
}
private void initTypes() {
types = new Table();
types.put(symbol("int"), Type.INT);
types.put(symbol("char"), Type.CHAR);
types.put(symbol("void"), Type.VOID);
types.put(symbol("void*"), Type.VOIDPTR);
types.put(symbol("char*"), Type.CHARPTR);
}
public void endScope() {
vars.endScope();
types.endScope();
}
public void beginScope() {
vars.beginScope();
types.beginScope();
}
public static void main(String[] args) {
Table<Integer> t = new Table<Integer>();
t.put(Symbol.symbol("abc"), new Integer(1));
t.put(Symbol.symbol("efg"), new Integer(2));
System.out.println(t.get(Symbol.symbol("efg")));
System.out.println(t.get(Symbol.symbol("")));
t.put(Symbol.symbol("efg"), new Integer(3));
System.out.println(t.get(Symbol.symbol("efg")));
t.beginScope();
System.out.println(t.get(Symbol.symbol("efg")));
t.put(Symbol.symbol("efg"), new Integer(4));
System.out.println(t.get(Symbol.symbol("efg")));
t.put(Symbol.symbol("efg"), new Integer(5));
System.out.println(t.get(Symbol.symbol("efg")));
t.put(Symbol.symbol("new"), new Integer(6));
System.out.println(t.get(Symbol.symbol("d")));
System.out.println(t.get(Symbol.symbol("new")));
t.endScope();
System.out.println(t.get(Symbol.symbol("efg")));
System.out.println(t.get(Symbol.symbol("new")));
}