本文整理汇总了C++中bytes::push_back方法的典型用法代码示例。如果您正苦于以下问题：C++ bytes::push_back方法的具体用法？C++ bytes::push_back怎么用？C++ bytes::push_back使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类bytes的用法示例。
在下文中一共展示了bytes::push_back方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: pushLocation
static void pushLocation(bytes& o_code, uint32_t _locationValue)
{
o_code.push_back((byte)Instruction::PUSH4);
o_code.resize(o_code.size() + 4);
bytesRef r(&o_code[o_code.size() - 4], 4);
toBigEndian(_locationValue, r);
}示例2: push
void Packet::push(bytes &arr, int &index, byte data) {
if (arr.size() > (unsigned) index) {
arr[index++] = data;
} else {
arr.push_back(data);
index++;
}
}示例3: appendCode
static void appendCode(bytes& o_code, vector<unsigned>& o_locs, bytes _code, vector<unsigned>& _locs)
{
o_locs.reserve(o_locs.size() + _locs.size());
for (auto i: _locs)
{
increaseLocation(_code, i, (unsigned)o_code.size());
o_locs.push_back(i + (unsigned)o_code.size());
}
o_code.reserve(o_code.size() + _code.size());
for (auto i: _code)
o_code.push_back(i);
}示例4: pushLiteral
static unsigned pushLiteral(bytes& o_code, u256 _literalValue)
{
unsigned br = max<unsigned>(1, bytesRequired(_literalValue));
o_code.push_back((byte)Instruction::PUSH1 + br - 1);
o_code.resize(o_code.size() + br);
for (unsigned i = 0; i < br; ++i)
{
o_code[o_code.size() - 1 - i] = (byte)(_literalValue & 0xff);
_literalValue >>= 8;
}
return br + 1;
}示例5: compileLispFragment
static int compileLispFragment(char const*& d, char const* e, bool _quiet, bytes& o_code, vector<unsigned>& o_locs, map<string, unsigned>& _vars)
{
std::map<std::string, Instruction> const c_arith = { { "+", Instruction::ADD }, { "-", Instruction::SUB }, { "*", Instruction::MUL }, { "/", Instruction::DIV }, { "%", Instruction::MOD } };
std::map<std::string, pair<Instruction, bool>> const c_binary = { { "<", { Instruction::LT, false } }, { "<=", { Instruction::GT, true } }, { ">", { Instruction::GT, false } }, { ">=", { Instruction::LT, true } }, { "=", { Instruction::EQ, false } }, { "!=", { Instruction::EQ, true } } };
std::map<std::string, Instruction> const c_unary = { { "!", Instruction::NOT } };
std::set<char> const c_allowed = { '+', '-', '*', '/', '%', '<', '>', '=', '!' };
bool exec = false;
int outs = 0;
bool seq = false;
while (d != e)
{
// skip to next token
for (; d != e && !isalnum(*d) && *d != '(' && *d != ')' && *d != '{' && *d != '}' && *d != '_' && *d != '"' && *d != '@' && *d != '[' && !c_allowed.count(*d) && *d != ';'; ++d) {}
if (d == e)
break;
switch (*d)
{
case ';':
for (; d != e && *d != '\n'; ++d) {}
break;
case '(':
exec = true;
++d;
break;
case '{':
++d;
while (d != e)
{
bytes codes;
vector<unsigned> locs;
outs = 0;
int o;
if ((o = compileLispFragment(d, e, _quiet, codes, locs, _vars)) > -1)
{
for (int i = 0; i < outs; ++i)
o_code.push_back((byte)Instruction::POP); // pop additional items off stack for the previous item (final item's returns get left on).
outs = o;
appendCode(o_code, o_locs, codes, locs);
}
else
break;
}
seq = true;
break;
case '}':
if (seq)
{
++d;
return outs;
}
return -1;
case ')':
if (exec)
{
++d;
return outs;
}
else
// unexpected - return false as we don't know what to do with it.
return -1;
case '@':
{
if (exec)
return -1;
bool store = false;
++d;
if (*d == '@')
{
++d;
store = true;
}
bytes codes;
vector<unsigned> locs;
if (compileLispFragment(d, e, _quiet, codes, locs, _vars) != 1)
return -1;
while (d != e && isspace(*d))
++d;
appendCode(o_code, o_locs, codes, locs);
o_code.push_back((byte)(store ? Instruction::SLOAD : Instruction::MLOAD));
return 1;
}
case '[':
{
if (exec)
return -1;
bool store = false;
++d;
if (*d == '[')
{
++d;
store = true;
}
bytes codes;
vector<unsigned> locs;
if (compileLispFragment(d, e, _quiet, codes, locs, _vars) != 1)
return -1;
//.........这里部分代码省略.........