solang 0.3.4

Solang Solidity Compiler
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196

// SPDX-License-Identifier: Apache-2.0

use crate::codegen;
use crate::lir::expressions::{Expression, Operand};
use crate::lir::lir_type::InternalCallTy;
use crate::sema::ast::{CallTy, ExternalCallAccounts};
use solang_parser::pt::Loc;

use super::lir_type::PhiInput;

/// Instructions using three-address code format
#[derive(Debug)]
pub enum Instruction {
    Nop,

    /// Return data to the outside callers
    ReturnData {
        loc: Loc,
        data: Operand,
        data_len: Operand,
    },
    ReturnCode {
        loc: Loc,
        code: codegen::cfg::ReturnCode,
    },

    Set {
        loc: Loc,
        res: usize,
        expr: Expression,
    },
    Store {
        loc: Loc,
        dest: Operand,
        data: Operand,
    },
    PushMemory {
        loc: Loc,
        res: usize,
        array: usize,
        value: Operand,
    },
    PopMemory {
        loc: Loc,
        res: usize,
        array: usize,
    },
    Constructor {
        loc: Loc,
        success: Option<usize>,
        res: usize,
        contract_no: usize,
        constructor_no: Option<usize>,
        encoded_args: Operand,
        value: Option<Operand>,
        gas: Operand,
        salt: Option<Operand>,
        address: Option<Operand>,
        seeds: Option<Operand>,
        accounts: ExternalCallAccounts<Operand>,
    },

    LoadStorage {
        loc: Loc,
        res: usize,
        storage: Operand,
    },
    ClearStorage {
        loc: Loc,
        storage: Operand,
    },
    SetStorage {
        loc: Loc,
        value: Operand,
        storage: Operand,
    },
    SetStorageBytes {
        loc: Loc,
        value: Operand,
        storage: Operand,
        offset: Operand,
    },
    PushStorage {
        loc: Loc,
        res: usize,
        value: Option<Operand>,
        storage: Operand,
    },
    PopStorage {
        loc: Loc,
        res: Option<usize>,
        storage: Operand,
    },

    Call {
        loc: Loc,
        res: Vec<usize>,
        call: InternalCallTy,
        args: Vec<Operand>,
    },
    /// Print to log message
    Print {
        loc: Loc,
        operand: Operand,
    },
    MemCopy {
        loc: Loc,
        src: Operand,
        dest: Operand,
        bytes: Operand,
    },

    ExternalCall {
        loc: Loc,
        /// Polkadot specific
        success: Option<usize>,
        address: Option<Operand>,
        accounts: ExternalCallAccounts<Operand>,
        /// Solana specific:
        /// for deriving and proving the ownership of an account
        seeds: Option<Operand>,
        payload: Operand,
        /// Polkadot specific:
        /// holding tokens
        value: Operand,
        /// Polkadot specific.
        /// On Solana, charged by transaction
        gas: Operand,
        /// CallTy is polkadot specific:
        /// It involves difference code generation in emit.
        callty: CallTy,
        /// only used for analysis passes
        contract_function_no: Option<(usize, usize)>,
        /// Polkadot specific
        flags: Option<Operand>,
    },
    /// Value transfer; either address.send() or address.transfer()
    /// transfer tokens from one addr to another
    ValueTransfer {
        loc: Loc,
        success: Option<usize>,
        address: Operand,
        value: Operand,
    },
    /// Self destruct
    /// for destructing the contract from inside.
    /// Note: only available on Polkadot
    SelfDestruct {
        loc: Loc,
        recipient: Operand,
    },
    EmitEvent {
        loc: Loc,
        event_no: usize,
        data: Operand,
        topics: Vec<Operand>,
    },
    WriteBuffer {
        loc: Loc,
        buf: Operand,
        offset: Operand,
        value: Operand,
    },

    Branch {
        loc: Loc,
        block: usize,
    },
    BranchCond {
        loc: Loc,
        cond: Operand,
        true_block: usize,
        false_block: usize,
    },
    Switch {
        loc: Loc,
        cond: Operand,
        cases: Vec<(Operand, usize)>,
        default: usize,
    },
    Return {
        loc: Loc,
        value: Vec<Operand>,
    },

    AssertFailure {
        loc: Loc,
        encoded_args: Option<Operand>,
    },

    Phi {
        loc: Loc,
        res: usize,
        vars: Vec<PhiInput>,
    },
}