//增发货币
public static bool increaseByBu(string name, byte[] to, BigInteger value)
{
if (to.Length != 20)
{
return(false);
}
if (value <= 0)
{
return(false);
}
var key = getNameKey(name.AsByteArray());
byte[] token = Storage.Get(Storage.CurrentContext, key);
if (token.Length == 0)
{
return(false);
}
transfer(name, null, to, value);
Tokenized t = Helper.Deserialize(token) as Tokenized;
t.totalSupply = t.totalSupply + value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(t));
return(true);
}
//销毁货币
public static bool destoryByBu(string name, byte[] from, BigInteger value)
{
if (from.Length != 20)
{
return(false);
}
if (value <= 0)
{
return(false);
}
var key = new byte[] { 0x12 }.Concat(name.AsByteArray());
byte[] token = Storage.Get(Storage.CurrentContext, key);
if (token.Length == 0)
{
return(false);
}
transfer(name, from, null, value);
Tokenized t = Helper.Deserialize(token) as Tokenized;
t.totalSupply = t.totalSupply - value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(t));
return(true);
}
static private Node TokenizeVariable(Tokenized token, ref TokenIterator iter)
{
if (token.value == "exit")
{
return(new Node(Items.EXIT, null));
}
else if (token.value == "if")
{
Node ifstmt = new Node(Items.IF_BRANCH, null);
return(ifstmt);
}
else if (token.value == "else")
{
Tokenized next = iter.get(BasicTokens.SPECIAL);
if (next.value != ":")
{
throw new System.Exception("Invalid else statement");
}
return(new Node(Items.ELSE_BRANCH, null));
}
else if (token.value == "endif")
{
return(null);
}
else
{
Tokenized next = iter.get(new BasicTokens[] { BasicTokens.SPECIAL, BasicTokens.VARIABLE });
if (next.value == "=")
{
Tokenized rhs = iter.get(new BasicTokens[] { BasicTokens.COMMAND, BasicTokens.STRING, BasicTokens.BOOLEAN, BasicTokens.INTEGER, BasicTokens.VARIABLE });
string rhs_str;
if (rhs.type == BasicTokens.STRING)
{
rhs_str = ParseString(rhs, ref iter);
}
else
{
rhs_str = rhs.value;
}
Node i = new Node(Items.ASSIGNMENT, new string[] { token.value, rhs_str, rhs.type.ToString() });
return(i);
}
else if (next.value == "+")
{
Tokenized rhs = iter.get(new BasicTokens[] { BasicTokens.INTEGER, BasicTokens.VARIABLE });
Node i = new Node(Items.INCREMENT, new string[] { token.value, rhs.value, rhs.type.ToString() });
return(i);
}
else if (next.value == "-")
{
Tokenized rhs = iter.get(new BasicTokens[] { BasicTokens.INTEGER, BasicTokens.VARIABLE });
Node i = new Node(Items.DECREMENT, new string[] { token.value, rhs.value, rhs.type.ToString() });
return(i);
}
else
{
throw new System.Exception("Invalid characters " + next.value + " at line " + token.line.ToString());
}
}
}
public static bool destoryByBu(string name, byte[] from, BigInteger value)
{
if (from.Length != 20)
{
return(false);
}
if (value <= 0)
{
return(false);
}
var key = getNameKey(name.AsByteArray());
byte[] token = Storage.Get(Storage.CurrentContext, key);
if (token.Length == 0)
{
return(false);
}
if (!transfer(name, from, null, value))
{
throw new InvalidOperationException("Operation is error.");
}
Tokenized t = Helper.Deserialize(token) as Tokenized;
t.totalSupply = t.totalSupply - value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(t));
return(true);
}
static private Node ParseBoolean(Tokenized lhs, ref TokenIterator iter, Tokenized terminate)
{
if (lhs.type == terminate.type && lhs.value == terminate.value)
{
return(null);
}
else if (lhs.type == BasicTokens.VARIABLE || lhs.type == BasicTokens.BOOLEAN || lhs.type == BasicTokens.INTEGER || lhs.type == BasicTokens.STRING)
{
Tokenized compare = iter.get(BasicTokens.SPECIAL);
if (IsComparisonOperator(compare.value))
{
Tokenized rhs = iter.get(new BasicTokens[] { BasicTokens.BOOLEAN, BasicTokens.INTEGER, BasicTokens.STRING, BasicTokens.VARIABLE });
Node condition = new Node(Items.CONDITION, new string[] { lhs.type.ToString(), lhs.value, compare.ToString(), rhs.type.ToString(), rhs.value });
Node andor = ParseBoolean(iter.get(), ref iter, terminate);
if (andor != null && andor.type != Items.COMPARISON)
{
throw new System.Exception("Invalid boolean statement");
}
condition.firstChild = andor;
return(condition);
}
else
{
throw new System.Exception("Found invalid token \"" + compare.value + "\" in boolean expression on line " + compare.line);
}
}
else if (lhs.type == BasicTokens.SPECIAL)
{
Node compare, next;
if (lhs.value == "&&")
{
compare = new Node(Items.COMPARISON, new string[] { "and" });
}
else if (lhs.value == "||")
{
compare = new Node(Items.COMPARISON, new string[] { "or" });
}
else
{
throw new System.Exception("Found invalid token " + lhs.value + " in boolean expression on line " + lhs.line);
}
compare = new Node(Items.COMPARISON, new string[] { "and" });
next = ParseBoolean(iter.get(), ref iter, terminate);
if (next == null || next.type != Items.CONDITION)
{
throw new System.Exception("Invalid boolean expression");
}
compare.firstChild = next;
return(compare);
}
else if (lhs.type != BasicTokens.OPEN_PAREN && lhs.type != BasicTokens.CLOSE_PAREN && lhs.type != BasicTokens.COMMAND)
{
return(ParseBoolean(iter.get(), ref iter, terminate));
}
else
{
throw new System.Exception("Invalid boolean statement");
}
}
static private string MakeToken(BasicTokens t, string buf)
{
Tokenized nt = new Tokenized(t, buf);
if (tokenList.Count != 0)
{
LastToken = tokenList[tokenList.Count - 1].type;
}
tokenList.Add(nt);
return("");
}
public Tokenized get()
{
if (_index >= _tokens.Length)
{
return(_default);
}
Tokenized tok = _tokens[_index];
_index++;
return(tok);
}
public Tokenized get(BasicTokens expected)
{
if (_index >= _tokens.Length)
{
return(_default);
}
Tokenized tok = _tokens[_index];
if (tok.type != expected)
{
throw new System.Exception("Unexpected token " + tok.value + " at line " + tok.line);
}
_index++;
return(tok);
}
static private Node TokenizeString(Tokenized token, ref TokenIterator iter)
{
string val = ParseString(token, ref iter);
Tokenized next = iter.get(new BasicTokens[] { BasicTokens.STRING, BasicTokens.NEW_LINE });
if (next.type == BasicTokens.STRING)
{
string val2 = ParseString(next, ref iter);
iter.get(BasicTokens.NEW_LINE);
return(new Node(Items.DIALOGUE, new string[] { val, val2 }));
}
else
{
return(new Node(Items.CHOICE_LABEL, new string[] { val }));
}
}
public static bool init(string name, string symbol, byte decimals)
{
var key = new byte[] { 0x12 }.Concat(name.AsByteArray());
byte[] token = Storage.Get(Storage.CurrentContext, key);
if (token.Length != 0)
{
return(false);
}
Tokenized t = new Tokenized();
t.decimals = decimals;
t.name = name;
t.symbol = symbol;
t.totalSupply = 0;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(t));
return(true);
}
static private Node TokenizeSpecial(Tokenized token, ref TokenIterator iter)
{
if (token.value == ".")
{
Tokenized next = iter.get(BasicTokens.STRING);
Node i;
if (next.value.Length == 0)
{
throw new System.Exception("Invalid state label \"" + next.value + "\" on line " + next.line + ", cannot have empty state label");
}
else if (next.value.Contains("%"))
{
throw new System.Exception("Invalid state label \"" + next.value + "\" on line " + next.line + ", cannot use variable insertion when defining a state label");
}
else if (stateLabels.TryGetValue(next.value, out i))
{
throw new System.Exception("Invalid state label \"" + next.value + "\" on line " + next.line + ", the state label is a duplicate");
}
iter.get(BasicTokens.NEW_LINE);
i = new Node(Items.STATE_LABEL, new string[1] {
next.value
});
stateLabels.Add(next.value, i);
return(i);
}
else if (token.value == "=>")
{
Tokenized next = iter.get(new BasicTokens[] { BasicTokens.STRING, BasicTokens.VARIABLE });
if (next.type == BasicTokens.VARIABLE && next.value != "exit")
{
throw new System.Exception("Invalid target \"" + next.value + "\" for jump");
}
iter.get(BasicTokens.NEW_LINE);
Node i = new Node(Items.JUMPTO_LABEL, new string[] { next.value });
return(i);
}
else
{
throw new System.Exception("Invalid characters " + token.value + " at line " + token.line.ToString());
}
}
public Tokenized get(BasicTokens[] expected)
{
if (_index >= _tokens.Length)
{
return(_default);
}
Tokenized tok = _tokens[_index];
bool has = false;
foreach (BasicTokens t in expected)
{
if (t == tok.type)
{
has = true;
break;
}
}
if (!has)
{
throw new System.Exception("Unexpected token " + tok.value + " at line " + tok.line);
}
_index++;
return(tok);
}
public void BlahBlah()
{
var @in = new Readable <char>(
"{\"Wibble\":123}".AsZeroTerminatedSpan()
);
var ops = new Readable <Op>(new[] {
Op.ReadObject(),
Op.DumpTo(0)
});
var tokenData = new Tokenized[16];
var tokens = new Buffer <Tokenized>(tokenData, 15);
var charData = new char[16];
var @out = new Buffer <char>(charData, 15);
var machine = new Machine();
Write(ref tokens,
(0, 0, Token.Object),
(2, 6, Token.String),
(10, 3, Token.Number),
(13, 1, Token.ObjectEnd),
(0, 0, Token.End));
while (true)
{
var(signal, bufferTag)
= machine.Next(ref ops, ref @in, ref tokens, ref @out);
switch (signal)
{
case Signal.End:
return;
case Signal.Underrun:
switch (bufferTag)
{
case Stream.Ops:
//load more ops here (should just be simple readable interface)
throw new NotImplementedException();
case Stream.In:
//read more chars into buffer and carry on
//and if we have to wait, then... we can wait at this top level
throw new NotImplementedException();
case Stream.Tokens:
//token underrun shouldn't be handled here, like
throw new NotImplementedException();
case Stream.Out1:
//this is the first output buffer
//how would this level cope with this? higher level contexts should bind to this
throw new NotImplementedException();
case Stream.Out2:
//second output buffer
throw new NotImplementedException();
default:
throw new NotImplementedException();
}
}
}
}
static public void Parse(TextAsset dialogue, ref DialogueDatabase db)
{
state = new StateStack();
lineNumber = 1;
tokenList = new List <Tokenized>();
MakeToken(BasicTokens.NEW_LINE, "");
string buffer = "";
foreach (char c in dialogue.text)
{
//Debug.Log(buffer);
if (state.value == State.COMMENT)
{
buffer = HandleComment(c, buffer);
}
else if (state.value == State.SPECIAL)
{
buffer = HandleSpecial(c, buffer);
}
else if (state.value == State.ESCAPE_CHAR)
{
buffer = HandleEscapeChar(c, buffer);
}
else if (state.value == State.COMMAND)
{
buffer = HandleCommand(c, buffer);
}
else if (state.value == State.STRING)
{
buffer = HandleString(c, buffer);
}
else if (state.value == State.DEFAULT)
{
buffer = HandleDefault(c, buffer);
}
if (c == '\n')
{
MakeToken(BasicTokens.NEW_LINE, "");
lineNumber++;
}
}
stateLabels = new Dictionary <string, Node>();
int ifelse_depth = 0;
int indent_last_count = 0;
int indent_count = 0;
bool defining_choice = false;
Tokenized[] tokens = tokenList.ToArray();
TokenIterator iterator = new TokenIterator(tokens);
ItemChain items = new ItemChain();
while (iterator.good())
{
Tokenized token = iterator.get();
Node i;
switch (token.type)
{
case BasicTokens.NOT_ASSIGNED:
throw new System.Exception("Unexpected file termination");
case BasicTokens.NEW_LINE:
indent_last_count = indent_count;
indent_count = 0;
break;
case BasicTokens.INDENT:
++indent_count;
break;
case BasicTokens.SPECIAL:
i = TokenizeSpecial(token, ref iterator);
if (i.type == Items.STATE_LABEL && defining_choice)
{
defining_choice = false;
items.pop();
items.pop();
}
items.add(i);
break;
case BasicTokens.VARIABLE:
i = TokenizeVariable(token, ref iterator);
if (i == null)
{
if (ifelse_depth == 0)
{
throw new System.Exception("Invalid endif statement");
}
for (int j = 0; j < ifelse_depth; j++)
{
items.pop();
}
ifelse_depth = 0;
}
else if (i.type == Items.IF_BRANCH)
{
Node condition = ParseBoolean(iterator.get(), ref iterator, new Tokenized(BasicTokens.SPECIAL, ":"));
items.add(i);
items.push();
items.add(condition);
ifelse_depth++;
}
else if (i.type == Items.ELSE_BRANCH)
{
items.pop();
items.add(i);
items.push();
}
else if (i.type == Items.EXIT)
{
if (items.top().type != Items.JUMPTO_LABEL)
{
throw new System.Exception("Invalid use of the 'exit' keyword");
}
items.add(i);
}
else
{
items.add(i);
}
break;
case BasicTokens.STRING:
i = TokenizeString(token, ref iterator);
indent_last_count = indent_count;
indent_count = 0;
if (i.type == Items.CHOICE_LABEL)
{
if (defining_choice)
{
items.pop();
items.add(i);
items.push();
}
else if (items.top().type == Items.DIALOGUE)
{
defining_choice = true;
items.push();
items.add(i);
items.push();
}
else
{
throw new System.Exception("Cannot define choice label \"" + i.data[0] + "\" here");
}
}
else if (i.type == Items.DIALOGUE)
{
if (defining_choice)
{
defining_choice = false;
items.pop();
items.pop();
}
items.add(i);
}
break;
}
}
Node rt = items.first();
db.AddData(stateLabels);
}
static private string ParseString(Tokenized token, ref TokenIterator iter)
{
bool found = true;
Tokenized extra = null;
Tokenized ending = null;
try
{
extra = iter.get(BasicTokens.SPECIAL);
}
catch
{
found = false;
}
if (found)
{
if (extra.value != "%")
{
return(token.value);
}
string[] elems = token.value.Split(new char[] { '%' });
if (elems.Length == 0)
{
throw new System.Exception("Invalid characters " + extra.value + " after string at line " + token.line.ToString());
}
string finish = elems[0];
int index = 1;
while (ending == null || ending.type != BasicTokens.NEW_LINE)
{
if (index >= elems.Length)
{
throw new System.Exception("Incorrect number of arguments after string at line " + token.line.ToString());
}
extra = iter.get(new BasicTokens[] { BasicTokens.STRING, BasicTokens.VARIABLE, BasicTokens.INTEGER, BasicTokens.BOOLEAN, BasicTokens.COMMAND });
string data = (extra.type == BasicTokens.STRING) ? ParseString(extra, ref iter) : extra.value;
finish += "%" + extra.type.ToString() + "%" + data + "%";
finish += elems[index];
index++;
try
{
ending = iter.get(new BasicTokens[] { BasicTokens.SPECIAL });
}
catch
{
break;
}
if (ending.type == BasicTokens.SPECIAL && ending.value != ",")
{
break;
}
}
return(finish);
}
else
{
return(token.value);
}
}