1/**
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "updateExpression.h"
17
18#include <binder/variable.h>
19#include <compiler/base/lreference.h>
20#include <compiler/core/pandagen.h>
21#include <compiler/core/regScope.h>
22#include <typescript/checker.h>
23#include <ir/astDump.h>
24#include <ir/expressions/unaryExpression.h>
25
26namespace panda::es2panda::ir {
27
28void UpdateExpression::Iterate(const NodeTraverser &cb) const
29{
30    cb(argument_);
31}
32
33void UpdateExpression::Dump(ir::AstDumper *dumper) const
34{
35    dumper->Add({{"type", "UpdateExpression"}, {"operator", operator_}, {"prefix", prefix_}, {"argument", argument_}});
36}
37
38void UpdateExpression::Compile(compiler::PandaGen *pg) const
39{
40    compiler::RegScope rs(pg);
41    compiler::VReg operandReg = pg->AllocReg();
42
43    compiler::LReference lref = compiler::LReference::CreateLRef(pg, argument_, false);
44    lref.GetValue();
45
46    if (!IsPrefix()) {
47        pg->StoreAccumulator(this, operandReg);
48        pg->ToNumeric(this, operandReg);
49    }
50
51    pg->StoreAccumulator(this, operandReg);
52    pg->Unary(this, operator_, operandReg);
53
54    lref.SetValue();
55
56    if (!IsPrefix()) {
57        pg->LoadAccumulator(this, operandReg);
58    }
59}
60
61checker::Type *UpdateExpression::Check(checker::Checker *checker) const
62{
63    checker::Type *operandType = argument_->Check(checker);
64    checker->CheckNonNullType(operandType, Start());
65
66    if (!operandType->HasTypeFlag(checker::TypeFlag::VALID_ARITHMETIC_TYPE)) {
67        checker->ThrowTypeError("An arithmetic operand must be of type 'any', 'number', 'bigint' or an enum type.",
68                                Start());
69    }
70
71    checker->CheckReferenceExpression(
72        argument_, "The operand of an increment or decrement operator must be a variable or a property access",
73        "The operand of an increment or decrement operator may not be an optional property access");
74
75    return checker->GetUnaryResultType(operandType);
76}
77
78void UpdateExpression::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
79{
80    argument_ = std::get<ir::AstNode *>(cb(argument_))->AsExpression();
81}
82
83}  // namespace panda::es2panda::ir
84