1/**
2 * Copyright (c) 2021-2022 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 <iostream>
17#include "assembly-ins.h"
18
19namespace panda::pandasm {
20
21std::string panda::pandasm::Ins::RegsToString(bool &first, bool print_args, size_t first_arg_idx) const
22{
23    std::stringstream translator;
24    for (const auto &reg : this->regs) {
25        if (!first) {
26            translator << ",";
27        } else {
28            first = false;
29        }
30
31        if (print_args && reg >= first_arg_idx) {
32            translator << " a" << reg - first_arg_idx;
33        } else {
34            translator << " v" << reg;
35        }
36    }
37    return translator.str();
38}
39
40std::string panda::pandasm::Ins::ImmsToString(bool &first) const
41{
42    std::stringstream translator;
43    for (const auto &imm : this->imms) {
44        if (!first) {
45            translator << ",";
46        } else {
47            first = false;
48        }
49
50        auto *number = std::get_if<double>(&imm);
51        if (number != nullptr) {
52            translator << " " << std::scientific << *number;
53        } else {
54            translator << " 0x" << std::hex << std::get<int64_t>(imm);
55        }
56        translator.clear();
57    }
58    return translator.str();
59}
60
61std::string panda::pandasm::Ins::IdsToString(bool &first) const
62{
63    std::stringstream translator;
64    for (const auto &id : this->ids) {
65        if (!first) {
66            translator << ",";
67        } else {
68            first = false;
69        }
70
71        translator << " " << id;
72    }
73    return translator.str();
74}
75
76std::string panda::pandasm::Ins::OperandsToString(bool print_args, size_t first_arg_idx) const
77{
78    bool first = true;
79    std::stringstream ss {};
80
81    ss << this->RegsToString(first, print_args, first_arg_idx) << this->ImmsToString(first) << this->IdsToString(first);
82
83    return ss.str();
84}
85
86std::string panda::pandasm::Ins::RegToString(size_t idx, bool is_first, bool print_args,
87                                             size_t first_arg_idx) const
88{
89    if (idx >= regs.size()) {
90        return std::string("");
91    }
92
93    std::stringstream translator;
94
95    if (!is_first) {
96        translator << ", ";
97    } else {
98        translator << " ";
99    }
100
101    if (print_args && regs[idx] >= first_arg_idx) {
102        translator << "a" << regs[idx] - first_arg_idx;
103    } else {
104        translator << "v" << regs[idx];
105    }
106
107    return translator.str();
108}
109
110std::string panda::pandasm::Ins::ImmToString(size_t idx, bool is_first) const
111{
112    if (idx >= imms.size()) {
113        return std::string("");
114    }
115
116    auto *number = std::get_if<double>(&(imms[idx]));
117    std::stringstream translator;
118
119    if (!is_first) {
120        translator << ", ";
121    } else {
122        translator << " ";
123    }
124
125    if (number != nullptr) {
126        translator << std::scientific << *number;
127    } else {
128        translator << "0x" << std::hex << std::get<int64_t>(imms[idx]);
129    }
130
131    return translator.str();
132}
133
134std::string panda::pandasm::Ins::IdToString(size_t idx, bool is_first) const
135{
136    if (idx >= ids.size()) {
137        return std::string("");
138    }
139
140    std::stringstream translator;
141
142    if (!is_first) {
143        translator << ", ";
144    } else {
145        translator << " ";
146    }
147
148    translator << ids[idx];
149
150    return translator.str();
151}
152}  // namespace panda::pandasm
153