public override int VisitExpr_PLUSMINUS(MINICParser.Expr_PLUSMINUSContext context)
{
ASTComposite m_parent = m_parents.Peek();
if (context.op.Type == MINICParser.MINUS)
{
CASTExpressionSubtraction newnode = new CASTExpressionSubtraction(context.GetText(), m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(0), m_parentContext, contextType.CT_EXPRESSION_SUBTRACTION_LEFT);
this.VisitElementInContext(context.expression(1), m_parentContext, contextType.CT_EXPRESSION_SUBTRACTION_RIGHT);
}
else if (context.op.Type == MINICParser.PLUS)
{
CASTExpressionAddition newnode = new CASTExpressionAddition(context.GetText(), m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(0), m_parentContext, contextType.CT_EXPRESSION_ADDITION_LEFT);
this.VisitElementInContext(context.expression(1), m_parentContext, contextType.CT_EXPRESSION_ADDITION_RIGHT);
}
m_parents.Pop();
return(0);
}
public Result VisitContext(ASTComposite node, contextType ct, VParam param = default(VParam))
{
foreach (ASTElement item in node.MChildren[node.GetContextIndex(ct)])
{
item.Accept(this, param);
}
return(default(Result));
}
public override int VisitStatement_BreakStatement(MINICParser.Statement_BreakStatementContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTBreakStatement newnode = new CASTBreakStatement(context.GetText(), m_parents.Peek(), 0);
m_parent.AddChild(newnode, m_parentContext.Peek());
return(0);
}
public Result VisitChildren(ASTComposite node, VParam param = default(VParam))
{
for (int i = 0; i < node.MChildren.Length; i++)
{
foreach (ASTElement item in node.MChildren[i])
{
item.Accept(this, param);
}
}
return(default(Result));
}
public override int VisitCompileUnit(MINICParser.CompileUnitContext context)
{
CASTCompileUnit newnode = new CASTCompileUnit(context.GetText(), null, 2);
m_root = newnode;
m_parents.Push(newnode);
this.VisitElementsInContext(context.statement(), m_parentContext, contextType.CT_COMPILEUNIT_MAINBODY);
this.VisitElementsInContext(context.functionDefinition(), m_parentContext, contextType.CT_COMPILEUNIT_FUNCTIONDEFINITIONS);
m_parents.Pop();
return(0);
}
public override int VisitExpr_PLUS(MINICParser.Expr_PLUSContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTExpressionPlus newnode = new CASTExpressionPlus(context.GetText(), m_parents.Peek(), 1);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(), m_parentContext, contextType.CT_EXPRESSION_PLUS);
m_parents.Pop();
return(0);
}
public override int VisitStatement_ReturnStatement(MINICParser.Statement_ReturnStatementContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTReturnStatement newnode = new CASTReturnStatement(context.GetText(), m_parents.Peek(), 1);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(), m_parentContext, contextType.CT_STATEMENT_RETURN);
m_parents.Pop();
return(0);
}
public override int VisitWhilestatement(MINICParser.WhilestatementContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTWhileStatement newnode = new CASTWhileStatement(context.GetText(), m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(), m_parentContext, contextType.CT_WHILESTATEMENT_CONDITION);
this.VisitElementInContext(context.statement(), m_parentContext, contextType.CT_WHILESTATEMENT_BODY);
m_parents.Pop();
return(0);
}
public override int VisitCompoundStatement(MINICParser.CompoundStatementContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTCompoundStatement newnode = new CASTCompoundStatement(context.GetText(), m_parents.Peek(), 1);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.statementList(), m_parentContext, contextType.CT_COMPOUNDSTATEMENT);
m_parents.Pop();
return(0);
}
public override int VisitExpr_ASSIGN(MINICParser.Expr_ASSIGNContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTExpressionAssign newnode = new CASTExpressionAssign(context.GetText(), m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitTerminalInContext(context, context.IDENTIFIER().Symbol, m_parentContext, contextType.CT_EXPRESSION_ASSIGN_LVALUE);
this.VisitElementInContext(context.expression(), m_parentContext, contextType.CT_EXPRESSION_ASSIGN_EXPRESSION);
m_parents.Pop();
return(0);
}
public override int VisitExpr_NEQUAL(MINICParser.Expr_NEQUALContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTExpressionNequal newnode = new CASTExpressionNequal(context.GetText(), m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(0), m_parentContext, contextType.CT_EXPRESSION_NEQUAL_LEFT);
this.VisitElementInContext(context.expression(1), m_parentContext, contextType.CT_EXPRESSION_NEQUAL_RIGHT);
m_parents.Pop();
return(0);
}
public override int VisitFunctionDefinition(MINICParser.FunctionDefinitionContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTFunctionDefinition newnode = new CASTFunctionDefinition(context.GetText(), m_parents.Peek(), 3);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitTerminalInContext(context, context.IDENTIFIER().Symbol, m_parentContext,
contextType.CT_FUNCTIONDEFINITION_IDENTIFIER);
if (context.fargs() != null)
{
this.VisitElementInContext(context.fargs(), m_parentContext, contextType.CT_FUNCTIONDEFINITION_FARGS);
}
this.VisitElementInContext(context.compoundStatement(), m_parentContext, contextType.CT_FUNCTIONDEFINITION_BODY);
m_parents.Pop();
return(0);
}
public override int VisitIfstatement(MINICParser.IfstatementContext context)
{
ASTComposite m_parent = m_parents.Peek();
CASTIfStatement newnode = new CASTIfStatement(context.GetText(), m_parents.Peek(), 3);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(), m_parentContext, contextType.CT_IFSTATEMENT_CONDITION);
this.VisitElementInContext(context.statement(0), m_parentContext, contextType.CT_IFSTATEMENT_IFCLAUSE);
if (context.statement(1) != null)
{
this.VisitElementInContext(context.statement(1), m_parentContext, contextType.CT_IFSTATEMENT_ELSECLAUSE);
}
m_parents.Pop();
return(0);
}
/// ###########################################################################|
/// ExtractSubgraphs ##########################################################|
/// ###########################################################################|
/// Αυτή η μέδοδος χωρίζει τα παιδιά σε περιοχές, ανάλογα με τον γωνέα τους ###|
/// ###########################################################################|
private void ExtractSubgraphs(ASTComposite node, contextType context)
{
if (node.MChildren[node.GetContextIndex(context)].Count != 0)
{
m_ostream.WriteLine("\tsubgraph cluster" + m_clusterSerial++ + "{");
m_ostream.WriteLine("\t\tnode [style=filled,color=white];");
m_ostream.WriteLine("\t\tstyle=filled;");
m_ostream.WriteLine("\t\tcolor=lightgrey;");
m_ostream.Write("\t\t");
for (int i = 0; i < node.MChildren[node.GetContextIndex(context)].Count; i++)
{
m_ostream.Write(node.MChildren[node.GetContextIndex(context)][i].MNodeName + ";");
}
m_ostream.WriteLine("\n\t\tlabel=" + context + ";");
m_ostream.WriteLine("\t}");
}
}
public override int VisitTerminal(ITerminalNode node)
{
ASTComposite m_parent = m_parents.Peek();
switch (node.Symbol.Type)
{
case MINICLexer.NUMBER:
CASTNUMBER newnode1 = new CASTNUMBER(node.Symbol.Text, m_parents.Peek());
m_parent.AddChild(newnode1, m_parentContext.Peek());
break;
case MINICLexer.IDENTIFIER:
CASTIDENTIFIER newnode2 = new CASTIDENTIFIER(node.Symbol.Text, m_parents.Peek());
m_parent.AddChild(newnode2, m_parentContext.Peek());
break;
default:
break;
}
return(base.VisitTerminal(node));
}
public override int VisitExpr_DIVMULT(MINICParser.Expr_DIVMULTContext context)
{
ASTComposite m_parent = m_parents.Peek();
if (context.op.Type == MINICParser.MULT)
{
CASTExpressionMultiplication newnode = new CASTExpressionMultiplication(context.GetText(), m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(0), m_parentContext, contextType.CT_EXPRESSION_MULTIPLICATION_LEFT);
this.VisitElementInContext(context.expression(1), m_parentContext, contextType.CT_EXPRESSION_MULTIPLICATION_RIGHT);
}
else if (context.op.Type == MINICParser.DIV)
{
CASTExpressionDivision newnode = new CASTExpressionDivision(context.GetText(), m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expression(0), m_parentContext, contextType.CT_EXPRESSION_DIVISION_LEFT);
this.VisitElementInContext(context.expression(1), m_parentContext, contextType.CT_EXPRESSION_DIVISION_RIGHT);
}
m_parents.Pop();
return(0);
}
