public override int VisitExprHelpForMethods(RParser.ExprHelpForMethodsContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RHelpForMethods(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.left, ContextType.CT_EXPR_HELP_FOR_METHODS_LEFT);
VisitElementInContext(context.right, ContextType.CT_EXPR_HELP_FOR_METHODS_RIGHT);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprIndexingBasic(RParser.ExprIndexingBasicContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RIndexingBasic(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.arraybase, ContextType.CT_EXPR_INDEXING_BASIC_BASE);
VisitElementInContext(context.arrayoffset, ContextType.CT_EXPR_INDEXING_BASIC_OFFSET);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprWrappedWithPercent(RParser.ExprWrappedWithPercentContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RWrappedWithPercent(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.left, ContextType.CT_EXPR_WRAPPED_WITH_PERCENT_LEFT);
VisitElementInContext(context.right, ContextType.CT_EXPR_WRAPPED_WITH_PERCENT_RIGHT);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprWhile(RParser.ExprWhileContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RWhile(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.whilecond, ContextType.CT_EXPR_WHILE_CONDITION);
VisitElementInContext(context.whilebody, ContextType.CT_EXPR_WHILE_BODY);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprDollarAtOperators(RParser.ExprDollarAtOperatorsContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RDollarAtOperators(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.left, ContextType.CT_EXPR_DOLLAR_AT_OPERATORS_BASE);
VisitElementInContext(context.right, ContextType.CT_EXPR_DOLLAR_AT_OPERATORS_OFFSET);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprIfElseStatement(RParser.ExprIfElseStatementContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RIfElseStatement(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.ifcond, ContextType.CT_EXPR_IF_ELSE_STATEMENT_CONDITION);
VisitElementInContext(context.thenbody, ContextType.CT_EXPR_IF_ELSE_STATEMENT_IFBODY);
VisitElementInContext(context.elsebody, ContextType.CT_EXPR_IF_ELSE_STATEMENT_ELSEBODY);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprFor(RParser.ExprForContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RFor(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.ID(), ContextType.CT_EXPR_FOR_NAME);
VisitElementInContext(context.for_list, ContextType.CT_EXPR_FOR_VECTOR);
VisitElementInContext(context.for_body, ContextType.CT_EXPR_FOR_BODY);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprCallFunction(RParser.ExprCallFunctionContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RCallFunction(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.funid, ContextType.CT_EXPR_CALL_FUNCTION_ID);
VisitElementInContext(context.funargs, ContextType.CT_EXPR_CALL_FUNCTION_PARAMS);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprAssignmentOpetators(RParser.ExprAssignmentOpetatorsContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RASsignmentOpetators(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.left, ContextType.CT_EXPR_ASSIGNMENT_OPETATORS_LEFT);
VisitElementInContext(context.right, ContextType.CT_EXPR_ASSIGNMENT_OPETATORS_RIGHT);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprTildeBinary(RParser.ExprTildeBinaryContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RTildeBinary(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.left, ContextType.CT_EXPR_TILDE_BINARY_LEFT);
VisitElementInContext(context.right, ContextType.CT_EXPR_TILDE_BINARY_RIGHT);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public RASTElementDescentantsContextIterator(RASTElement astNode)
{
m_node = astNode as RASTComposite;
if (m_node == null)
{
throw new Exception("Iterator cannot iterate over leaf nodes");
}
}
public RASTElementDescentantsFlattenEventIterator(RASTElement astNode,
RASTGenericIteratorEvents events, object info = null)
{
m_Event = events;
m_node = astNode as RASTComposite;
if (m_node == null)
{
throw new Exception("Iterator cannot iterate over leaf nodes");
}
}
public override int VisitAssignmentOpetators(RASTElement currentNode)
{
RASTComposite current = currentNode as RASTComposite;
// Visit assignment opetator left context
if (current.GetNumberOfContextElements(ContextType.CT_EXPR_ASSIGNMENT_OPETATORS_LEFT) > 0)
{
foreach (RASTElement element in current.GetContextChildren(ContextType.CT_EXPR_ASSIGNMENT_OPETATORS_LEFT))
{
scopeSystem.AddSymbol(element.M_Label, "Local Variable");
}
}
base.VisitAssignmentOpetators(currentNode);
return(0);
}
public override int VisitDefineFunction(RASTElement currentNode)
{
RASTComposite current = currentNode as RASTComposite;
scopeSystem.EnterEnviroment(currentNode.M_Label);
// Visit function's definition params context
if (current.GetNumberOfContextElements(ContextType.CT_EXPR_DEFINE_FUNCTION_PARAMS) > 0)
{
foreach (RASTElement element in current.GetContextChildren(ContextType.CT_EXPR_DEFINE_FUNCTION_PARAMS))
{
scopeSystem.AddSymbol(element.M_Label, "Formal Parameter");
}
}
base.VisitDefineFunction(currentNode);
scopeSystem.LeaveEnviroment();
return(0);
}
public override int VisitProg(RParser.ProgContext context)
{
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RProg();
// Update root
m_root = newElement;
// Update parents stack
m_parents.Push(newElement);
// VISIT CHILDREN
VisitElementsInContext(context._expressions, ContextType.CT_PROG);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprParenthesis(RParser.ExprParenthesisContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RParenthesis(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.expr(), ContextType.CT_EXPR_PARENTHESIS);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprBreakStatement(RParser.ExprBreakStatementContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RBreakStatement(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
//VisitElementInContext(context., ContextType.CT_EXPR_BREAK_STATEMENT);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprNextStatement(RParser.ExprNextStatementContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RNextStatement(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitExprMinusOrPlusUnary(RParser.ExprMinusOrPlusUnaryContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RMinusOrPlusUnary(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.expr(), ContextType.CT_EXPR_MINUS_OR_PLUS_UNARY);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}
public override int VisitTerminal(ITerminalNode node)
{
RASTComposite parent = m_parents.Peek();
switch (node.Symbol.Type)
{
case RParser.ID:
RIDENTIFIER identifierToken = new RIDENTIFIER(node.GetText(), parent);
parent.AddChild(identifierToken, m_currentContext.Peek());
break;
case RParser.STRING:
RSTRING stringToken = new RSTRING(node.GetText().Replace('"', ' '), parent);
parent.AddChild(stringToken, m_currentContext.Peek());
break;
case RParser.HEX:
RHEX hexToken = new RHEX(node.GetText(), parent);
parent.AddChild(hexToken, m_currentContext.Peek());
break;
case RParser.INT:
RINTEGER integerToken = new RINTEGER(node.GetText(), parent);
parent.AddChild(integerToken, m_currentContext.Peek());
break;
case RParser.FLOAT:
RFLOAT floatToken = new RFLOAT(node.GetText(), parent);
parent.AddChild(floatToken, m_currentContext.Peek());
break;
case RParser.COMPLEX:
RCOMPLEX complexToken = new RCOMPLEX(node.GetText(), parent);
parent.AddChild(complexToken, m_currentContext.Peek());
break;
case 47: // 'NULL'
RLITERALSPECIFIER NULL_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(NULL_literal, m_currentContext.Peek());
break;
case 48: // 'NA'
RLITERALSPECIFIER NA_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(NA_literal, m_currentContext.Peek());
break;
case 49: // 'NA_integer_'
RLITERALSPECIFIER NA_integer_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(NA_integer_literal, m_currentContext.Peek());
break;
case 50: // 'NA_real_'
RLITERALSPECIFIER NA_real_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(NA_real_literal, m_currentContext.Peek());
break;
case 51: // 'NA_complex_'
RLITERALSPECIFIER NA_complex_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(NA_complex_literal, m_currentContext.Peek());
break;
case 52: // 'NA_character_'
RLITERALSPECIFIER NA_character_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(NA_character_literal, m_currentContext.Peek());
break;
case 53: // 'Inf'
RLITERALSPECIFIER Inf_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(Inf_literal, m_currentContext.Peek());
break;
case 54: // 'NaN'
RLITERALSPECIFIER NaN_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(NaN_literal, m_currentContext.Peek());
break;
case 55: // 'TRUE'
RLITERALSPECIFIER TRUE_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(TRUE_literal, m_currentContext.Peek());
break;
case 56: // 'FALSE'
RLITERALSPECIFIER FALSE_literal = new RLITERALSPECIFIER(node.GetText(), parent);
parent.AddChild(FALSE_literal, m_currentContext.Peek());
break;
}
return(base.VisitTerminal(node));
}