public void EnterCodeScopeDuringPrePass(LSLParser.CodeScopeContext context)
{
_scopeTypeStack.Push(LSLAntlrTreeTools.ResolveCodeScopeNodeType(context));
_singleStatementScopeTrackingStack.Push(false);
_scopeStack.Push(context);
_labelScopes.Add(context, new Dictionary <string, LSLLabelStatementNode>());
}
public void EnterCodeScopeAfterPrePass(LSLParser.CodeScopeContext context)
{
_scopeTypeStack.Push(LSLAntlrTreeTools.ResolveCodeScopeNodeType(context));
_singleStatementScopeTrackingStack.Push(false);
_scopeStack.Push(context);
EnterLocalVariableScope();
}
/*
* /// <summary>
* /// Clone this <see cref="LSLCodeScopeNode" /> from another.
* /// </summary>
* /// <param name="other">The other node.</param>
* private LSLCodeScopeNode(LSLCodeScopeNode other)
* {
* SourceRangesAvailable = other.SourceRangesAvailable;
*
* if (SourceRangesAvailable)
* {
* SourceRange = other.SourceRange;
* }
*
* foreach (var child in other._codeStatements)
* {
* AddCodeStatement(child.Clone());
* }
*
* HasErrors = other.HasErrors;
* }*/
/// <exception cref="ArgumentNullException"><paramref name="context" /> is <c>null</c>.</exception>
internal LSLCodeScopeNode(LSLParser.CodeScopeContext context, int scopeId)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
ScopeId = scopeId;
SourceRange = new LSLSourceCodeRange(context);
SourceRangesAvailable = true;
}
public static LSLCodeScopeType ResolveCodeScopeNodeType(LSLParser.CodeScopeContext context)
{
if (context.Parent is LSLParser.FunctionDeclarationContext)
{
return(LSLCodeScopeType.Function);
}
if (context.Parent is LSLParser.EventHandlerContext)
{
return(LSLCodeScopeType.EventHandler);
}
if (context.Parent.Parent is LSLParser.ControlStructureContext)
{
if (context.Parent.Parent.Parent.Parent is LSLParser.ElseStatementContext)
{
return(LSLCodeScopeType.ElseIf);
}
return(LSLCodeScopeType.If);
}
if (context.Parent.Parent is LSLParser.ElseStatementContext)
{
return(LSLCodeScopeType.Else);
}
if (context.Parent.Parent is LSLParser.DoLoopContext)
{
return(LSLCodeScopeType.DoLoop);
}
if (context.Parent.Parent is LSLParser.WhileLoopContext)
{
return(LSLCodeScopeType.WhileLoop);
}
if (context.Parent.Parent is LSLParser.ForLoopContext)
{
return(LSLCodeScopeType.ForLoop);
}
if (context.Parent.Parent is LSLParser.CodeScopeContext)
{
return(LSLCodeScopeType.AnonymousBlock);
}
//bugcheck assert
throw new InvalidOperationException(
"BUGCHECK: Unexpected ANTLR syntax tree structure in " + typeof(LSLAntlrTreeTools).FullName +
".ResolveCodeScopeNodeType");
}
public override bool VisitCodeScope(LSLParser.CodeScopeContext context)
{
if (context == null || context.children == null)
{
throw LSLCodeValidatorInternalException.VisitContextInvalidState("VisitCodeScope", true);
}
_scopingManager.EnterCodeScopeDuringPrePass(context);
_currentScopeId++;
_statementIndexStack.Push(new StatementIndexContainer {
Index = 0, ScopeId = _currentScopeId
});
var result = base.VisitCodeScope(context);
_statementIndexStack.Pop();
_scopingManager.ExitCodeScopeDuringPrePass();
return(result);
}
/// <summary>
/// Exit a parse tree produced by <see cref="LSLParser.codeScope"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitCodeScope([NotNull] LSLParser.CodeScopeContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="LSLParser.codeScope"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitCodeScope([NotNull] LSLParser.CodeScopeContext context)
{
return(VisitChildren(context));
}
