public void visit(AbsFunDecl acceptor) {
Frame frame = frms.peek();
Frame newFrame = new Frame(acceptor.name.identifier.getLexeme(), frame.level + 1);
setFrame(acceptor, newFrame);
frms.push(newFrame);
int offset = +4;
for (AbsDecl decl : acceptor.pars.decls) {
AbsVarDecl varDecl = (AbsVarDecl) decl;
Access access = new Access(frame.level + 1, offset);
offset += 4;
setAccess(varDecl, access);
}
acceptor.type.accept(this);
acceptor.expr.accept(this);
frms.pop();
}
public void visit(AbsVarDecl acceptor) {
// Lokalna spremenljivka.
// Parametre obdelamo pri AbsFunDecl.
// Komponente obdelamo pri AbsRecType.
Frame frame = frms.peek();
SemType type = TypeResolver.getType(acceptor.name);
int offset = frame.addVariable(type.size());
Access access = new Access(frame.level, offset);
setAccess(acceptor, access);
acceptor.type.accept(this);
}
public void visit(AbsFunCall acceptor) {
Frame frame = frms.peek();
frame.ensureOutArgsSize(acceptor.args.exprs.size() * 4 + 4);
for (AbsExpr arg : acceptor.args.exprs) arg.accept(this);
}
public FrameResolver() {
mainFrame = new Frame("", 0);
frms = new Stack<Frame>();
frms.push(mainFrame);
}