public JavaScriptBlock(int start, JavaScriptBlockType type, JavaScriptBlock parent, JavaScriptTopLevelBlock topLevel, List<JavaScriptToken> tokens)
{
Start = start;
End = start;
Type = type;
m_Parent = parent;
m_TopLevel = topLevel;
m_Tokens = tokens;
}
protected JavaScriptBlock TryParseLVar(MemoryStream<JavaScriptToken> ts)
{
int before = ts.Position;
if (ts.TryMatch((token) => token.Type == JavaScriptTokenType.Identifier))
{
JavaScriptBlock block = new JavaScriptBlock(before, JavaScriptBlockType.LVar, this, m_TopLevel, m_Tokens);
while (true)
{
while (block.TryParseBrackets(ts, "[", "]") != null)
;
if (!ts.TryMatch((token) => token.Type == JavaScriptTokenType.Operator && token.Value == "."))
break;
if (!ts.TryMatch((token) => token.Type == JavaScriptTokenType.Identifier))
break;
}
block.m_SubBlocks.Clear(); // Don't want sub blocks in LVar blocks.
AddBlock(block, ts);
return block;
}
return null;
}
protected JavaScriptBlock TryParseFunction(MemoryStream<JavaScriptToken> ts)
{
int before = ts.Position;
if (ts.TryMatch((token) => token.Type == JavaScriptTokenType.Keyword && token.Value == "function"))
{
JavaScriptBlock block = new JavaScriptBlock(before, JavaScriptBlockType.Function, this, m_TopLevel, m_Tokens);
block.TryMatchComments(ts);
block.TryParseLVar(ts); // Too generic for optional function name, but never mind
block.TryMatchComments(ts);
block.TryParseBrackets(ts, "(", ")");
block.TryMatchComments(ts);
block.m_FunctionBody = block.TryParseBrackets(ts, "{", "}");
AddBlock(block, ts);
return block;
}
return null;
}
protected JavaScriptBlock TryParseBrackets(MemoryStream<JavaScriptToken> ts, string ch, string endCh)
{
int before = ts.Position;
if (ts.TryMatch((token) => token.Type == JavaScriptTokenType.Operator && token.Value == ch))
{
JavaScriptBlock block = new JavaScriptBlock(before, JavaScriptBlockType.Brackets, this, m_TopLevel, m_Tokens);
block.TryParseAny(ts, (token) => token.Type == JavaScriptTokenType.Operator && token.Value == endCh);
ts.Read();
AddBlock(block, ts);
return block;
}
return null;
}
protected void BuildBlockIndex(JavaScriptBlock[] blockPos)
{
int j = 0;
for (int i = Start; i < End; )
if (j < m_SubBlocks.Count && m_SubBlocks[j].Start == i)
{
m_SubBlocks[j].BuildBlockIndex(blockPos);
i = m_SubBlocks[j++].End;
}
else
{
blockPos[i++] = this;
}
}
protected void AddBlock(JavaScriptBlock block, MemoryStream<JavaScriptToken> ts)
{
block.End = ts.Position;
m_SubBlocks.Add(block);
}