Method joinScopes

rhino/src/main/java/org/mozilla/javascript/ast/Scope.java:129–140

Copies all symbols from source scope to dest scope.

(Scope source, Scope dest)

    /** Copies all symbols from source scope to dest scope. */
    public static void joinScopes(Scope source, Scope dest) {
        Map<String, Symbol> src = source.ensureSymbolTable();
        Map<String, Symbol> dst = dest.ensureSymbolTable();
        if (!Collections.disjoint(src.keySet(), dst.keySet())) {
            codeBug();
        }
        for (Map.Entry<String, Symbol> entry : src.entrySet()) {
            Symbol sym = entry.getValue();
            sym.setContainingTable(dest);
            dst.put(entry.getKey(), sym);
        }
    }

    /**
     * Returns the scope in which this name is defined