treecopier.java

来自「是一款用JAVA 编写的编译器 具有很强的编译功能」· Java 代码 · 共 416 行 · 第 1/2 页

        JCImport t = (JCImport) node;
        JCTree qualid = copy(t.qualid, p);
        return M.at(t.pos).Import(qualid, t.staticImport);
    }

    public JCTree visitArrayAccess(ArrayAccessTree node, P p) {
        JCArrayAccess t = (JCArrayAccess) node;
        JCExpression indexed = copy(t.indexed, p);
        JCExpression index = copy(t.index, p);
        return M.at(t.pos).Indexed(indexed, index);
    }

    public JCTree visitLabeledStatement(LabeledStatementTree node, P p) {
        JCLabeledStatement t = (JCLabeledStatement) node;
        JCStatement body = copy(t.body, p);
        return M.at(t.pos).Labelled(t.label, t.body);
    }

    public JCTree visitLiteral(LiteralTree node, P p) {
        JCLiteral t = (JCLiteral) node;
        return M.at(t.pos).Literal(t.typetag, t.value);
    }

    public JCTree visitMethod(MethodTree node, P p) {
        JCMethodDecl t  = (JCMethodDecl) node;
        JCModifiers mods = copy(t.mods, p);
        JCExpression restype = copy(t.restype, p);
        List<JCTypeParameter> typarams = copy(t.typarams, p);
        List<JCVariableDecl> params = copy(t.params, p);
        List<JCExpression> thrown = copy(t.thrown, p);
        JCBlock body = copy(t.body, p);
        JCExpression defaultValue = copy(t.defaultValue, p);
        return M.at(t.pos).MethodDef(mods, t.name, restype, typarams, params, thrown, body, defaultValue);
    }

    public JCTree visitMethodInvocation(MethodInvocationTree node, P p) {
        JCMethodInvocation t = (JCMethodInvocation) node;
        List<JCExpression> typeargs = copy(t.typeargs, p);
        JCExpression meth = copy(t.meth, p);
        List<JCExpression> args = copy(t.args, p);
        return M.at(t.pos).Apply(typeargs, meth, args);
    }

    public JCTree visitModifiers(ModifiersTree node, P p) {
        JCModifiers t = (JCModifiers) node;
        List<JCAnnotation> annotations = copy(t.annotations, p);
        return M.at(t.pos).Modifiers(t.flags, annotations);
    }

    public JCTree visitNewArray(NewArrayTree node, P p) {
        JCNewArray t = (JCNewArray) node;
        JCExpression elemtype = copy(t.elemtype, p);
        List<JCExpression> dims = copy(t.dims, p);
        List<JCExpression> elems = copy(t.elems, p);
        return M.at(t.pos).NewArray(elemtype, dims, elems);
    }

    public JCTree visitNewClass(NewClassTree node, P p) {
        JCNewClass t = (JCNewClass) node;
        JCExpression encl = copy(t.encl, p);
        List<JCExpression> typeargs = copy(t.typeargs, p);
        JCExpression clazz = copy(t.clazz, p);
        List<JCExpression> args = copy(t.args, p);
        JCClassDecl def = copy(t.def, p);
        return M.at(t.pos).NewClass(encl, typeargs, clazz, args, def);
    }

    public JCTree visitParenthesized(ParenthesizedTree node, P p) {
        JCParens t = (JCParens) node;
        JCExpression expr = copy(t.expr, p);
        return M.at(t.pos).Parens(expr);
    }

    public JCTree visitReturn(ReturnTree node, P p) {
        JCReturn t = (JCReturn) node;
        JCExpression expr = copy(t.expr, p);
        return M.at(t.pos).Return(expr);
    }

    public JCTree visitMemberSelect(MemberSelectTree node, P p) {
        JCFieldAccess t = (JCFieldAccess) node;
        JCExpression selected = copy(t.selected, p);
        return M.at(t.pos).Select(selected, t.name);
    }

    public JCTree visitEmptyStatement(EmptyStatementTree node, P p) {
        JCSkip t = (JCSkip) node;
        return M.at(t.pos).Skip();
    }

    public JCTree visitSwitch(SwitchTree node, P p) {
        JCSwitch t = (JCSwitch) node;
        JCExpression selector = copy(t.selector, p);
        List<JCCase> cases = copy(t.cases, p);
        return M.at(t.pos).Switch(selector, cases);
    }

    public JCTree visitSynchronized(SynchronizedTree node, P p) {
        JCSynchronized t = (JCSynchronized) node;
        JCExpression lock = copy(t.lock, p);
        JCBlock body = copy(t.body, p);
        return M.at(t.pos).Synchronized(lock, body);
    }

    public JCTree visitThrow(ThrowTree node, P p) {
        JCThrow t = (JCThrow) node;
        JCTree expr = copy(t.expr, p);
        return M.at(t.pos).Throw(expr);
    }

    public JCTree visitCompilationUnit(CompilationUnitTree node, P p) {
        JCCompilationUnit t = (JCCompilationUnit) node;
        List<JCAnnotation> packageAnnotations = copy(t.packageAnnotations, p);
        JCExpression pid = copy(t.pid, p);
        List<JCTree> defs = copy(t.defs, p);
        return M.at(t.pos).TopLevel(packageAnnotations, pid, defs);
    }

    public JCTree visitTry(TryTree node, P p) {
        JCTry t = (JCTry) node;
        JCBlock body = copy(t.body, p);
        List<JCCatch> catchers = copy(t.catchers, p);
        JCBlock finalizer = copy(t.finalizer, p);
        return M.at(t.pos).Try(body, catchers, finalizer);
    }

    public JCTree visitParameterizedType(ParameterizedTypeTree node, P p) {
        JCTypeApply t = (JCTypeApply) node;
        JCExpression clazz = copy(t.clazz, p);
        List<JCExpression> arguments = copy(t.arguments, p);
        return M.at(t.pos).TypeApply(clazz, arguments);
    }

    public JCTree visitArrayType(ArrayTypeTree node, P p) {
        JCArrayTypeTree t = (JCArrayTypeTree) node;
        JCExpression elemtype = copy(t.elemtype, p);
        return M.at(t.pos).TypeArray(elemtype);
    }

    public JCTree visitTypeCast(TypeCastTree node, P p) {
        JCTypeCast t = (JCTypeCast) node;
        JCTree clazz = copy(t.clazz, p);
        JCExpression expr = copy(t.expr, p);
        return M.at(t.pos).TypeCast(clazz, expr);
    }

    public JCTree visitPrimitiveType(PrimitiveTypeTree node, P p) {
        JCPrimitiveTypeTree t = (JCPrimitiveTypeTree) node;
        return M.at(t.pos).TypeIdent(t.typetag);
    }

    public JCTree visitTypeParameter(TypeParameterTree node, P p) {
        JCTypeParameter t = (JCTypeParameter) node;
        List<JCExpression> bounds = copy(t.bounds, p);
        return M.at(t.pos).TypeParameter(t.name, t.bounds);
    }

    public JCTree visitInstanceOf(InstanceOfTree node, P p) {
        JCInstanceOf t = (JCInstanceOf) node;
        JCExpression expr = copy(t.expr, p);
        JCTree clazz = copy(t.clazz, p);
        return M.at(t.pos).TypeTest(expr, clazz);
    }

    public JCTree visitUnary(UnaryTree node, P p) {
        JCUnary t = (JCUnary) node;
        JCExpression arg = copy(t.arg, p);
        return M.at(t.pos).Unary(t.getTag(), arg);
    }

    public JCTree visitVariable(VariableTree node, P p) {
        JCVariableDecl t = (JCVariableDecl) node;
        JCModifiers mods = copy(t.mods, p);
        JCExpression vartype = copy(t.vartype, p);
        JCExpression init = copy(t.init, p);
        return M.at(t.pos).VarDef(mods, t.name, vartype, init);
    }

    public JCTree visitWhileLoop(WhileLoopTree node, P p) {
        JCWhileLoop t = (JCWhileLoop) node;
        JCStatement body = copy(t.body, p);
        JCExpression cond = copy(t.cond, p);
        return M.at(t.pos).WhileLoop(cond, body);
    }

    public JCTree visitWildcard(WildcardTree node, P p) {
        JCWildcard t = (JCWildcard) node;
        TypeBoundKind kind = M.at(t.kind.pos).TypeBoundKind(t.kind.kind);
        JCTree inner = copy(t.inner, p);
        return M.at(t.pos).Wildcard(kind, inner);
    }

    public JCTree visitOther(Tree node, P p) {
        JCTree tree = (JCTree) node;
        switch (tree.getTag()) {
            case JCTree.LETEXPR: {
                LetExpr t = (LetExpr) node;
                List<JCVariableDecl> defs = copy(t.defs, p);
                JCTree expr = copy(t.expr, p);
                return M.at(t.pos).LetExpr(defs, expr);
            }
            default:
                throw new AssertionError("unknown tree tag: " + tree.getTag());
        }
    }
    
}