public static T Pop <T>(this ILinearList <T> list)
{
var result = list[list.Count - 1];
list.RemoveAt(list.Count - 1);
return(result);
}
void TestLinearList(ILinearList <string> list)
{
Assert.AreEqual(list.IsEmpty(), true);
Assert.AreEqual(list.Length, 0);
list.Add("a");
list.Add("b");
list.Add("c");
list.Add("d");
list.Add("e");
Assert.AreEqual(list.LocateItem("d"), 3);
Assert.AreEqual(list.IsEmpty(), false);
Assert.AreEqual(list.Length, 5);
Assert.AreEqual(list.GetItem(2), "c");
//Assert.AreEqual(list.isFull(), true);
list.Delete(4);
Assert.AreEqual(list.Length, 4);
list.Add("e");
Assert.AreEqual(list.GetItem(3), "d");
Assert.AreEqual(list.GetItem(4), "e");
list.Delete(3);
Assert.AreEqual(list.GetItem(3), "e");
list.Clear();
Assert.AreEqual(list.Length, 0);
}
void TestLinearList(ILinearList<string> list)
{
Assert.AreEqual(list.IsEmpty(), true);
Assert.AreEqual(list.Length, 0);
list.Add("a");
list.Add("b");
list.Add("c");
list.Add("d");
list.Add("e");
Assert.AreEqual(list.LocateItem("d"), 3);
Assert.AreEqual(list.IsEmpty(), false);
Assert.AreEqual(list.Length, 5);
Assert.AreEqual(list.GetItem(2), "c");
//Assert.AreEqual(list.isFull(), true);
list.Delete(4);
Assert.AreEqual(list.Length, 4);
list.Add("e");
Assert.AreEqual(list.GetItem(3), "d");
Assert.AreEqual(list.GetItem(4), "e");
list.Delete(3);
Assert.AreEqual(list.GetItem(3), "e");
list.Clear();
Assert.AreEqual(list.Length, 0);
}
public IOperation GetValue(ILinearList <IDictionary <string, IOperation> > dictStack)
{
foreach (var dict in dictStack.Reverse())
{
IOperation operation;
if (dict.TryGetValue(Name, out operation))
{
return(operation);
}
}
throw new InvalidOperationException(string.Format("Identifier /{0} can not be found in the dictionary stack", Name));
}
public static void Push <T>(this ILinearList <T> list, T value)
{
list.InsertAt(list.Count, value);
}
public static T Peek <T>(this ILinearList <T> list, int index)
{
return(list[list.Count - 1 - index]);
}
public PreScriptState(ILinearList <IOperation> stack, ILinearList <IOperation> execStack, ILinearList <IDictionary <string, IOperation> > dictStack)
{
Stack = stack;
ExecStack = execStack;
DictStack = dictStack;
}
public static void LoadCode(ILinearList <IOperation> execStack, string code)
{
var state = ParseState.SearchNextToken;
StringBuilder sb = null;
int tokenStart = -1;
int linesCount = 1;
int lineStart = 0;
for (int i = 0; i < code.Length; i++)
{
var c = code[i];
if (c == '\r')
{
linesCount++;
lineStart = i + 1;
}
switch (state)
{
case ParseState.SearchNextToken:
if (!IsDelimiter(c))
{
state = ParseState.InsideToken;
tokenStart = i;
break;
}
switch (c)
{
case '(':
state = ParseState.InsideString;
sb = new StringBuilder();
break;
case ')':
throw new FormatException(string.Format("Unexpected right parenthesis:\n{0}\n{1}^", LineFrom(code, lineStart), new string(' ', i - lineStart)));
break;
case '{':
execStack.InsertAt(0, new OpenCodeMarker());
break;
case '}':
execStack.InsertAt(0, new CloseCodeMarker());
break;
case '[':
execStack.InsertAt(0, new Marker());
break;
case ']':
execStack.InsertAt(0, new BuildArray());
break;
case '%':
state = ParseState.Comment;
break;
}
break;
case ParseState.Comment:
if (c == '\r' || c == '\n')
{
state = ParseState.SearchNextToken;
}
break;
case ParseState.InsideString:
switch (c)
{
case '\\':
state = ParseState.EscapingCharacter;
break;
case ')':
execStack.InsertAt(0, new Data <string>(sb.ToString()));
sb = null;
state = ParseState.SearchNextToken;
break;
case '\r':
case '\n':
break;
default:
sb.Append(c);
break;
}
//TODO: handle line break
break;
case ParseState.EscapingCharacter:
switch (c)
{
case '\\':
sb.Append('\\');
break;
case 'r':
sb.Append('\r');
break;
case 'n':
sb.Append('\n');
break;
case 't':
sb.Append('\t');
break;
case 'b':
sb.Append('\b');
break;
case 'f':
sb.Append('\f');
break;
case '(':
sb.Append('(');
break;
case ')':
sb.Append(')');
break;
default:
throw new FormatException(string.Format("Unexpected escape sequence:\n{0}\n{1}^", LineFrom(code, lineStart), new string(' ', i - lineStart)));
}
state = ParseState.InsideString;
break;
case ParseState.InsideToken:
if (!IsDelimiter(c))
{
break;
}
if (code[tokenStart] == '/')
{
execStack.InsertAt(0, new Identifier(code.Substring(tokenStart + 1, i - tokenStart - 1)));
}
else
{
var token = code.Substring(tokenStart, i - tokenStart);
double doubleValue;
if (double.TryParse(token, NumberStyles.Any, CultureInfo.InvariantCulture, out doubleValue))
{
execStack.InsertAt(0, new Number(doubleValue));
}
else
{
execStack.InsertAt(0, new Access(token));
}
}
state = ParseState.SearchNextToken;
goto case ParseState.SearchNextToken;
break;
}
}
}