// Build an interface method declaration.
public static void BuildInterfaceMethod(IronyParser parser, Root root, Expression parentExpression, ParseTreeNode currentNode)
{
var method = new MethodDeclaration(parentExpression, currentNode.Token.Convert());
parentExpression.ChildExpressions.Add(method);
// Build the return type of the interface method.
method.ReturnTypeName = parser.CheckAlias(currentNode.ChildNodes[0].ChildNodes[0].FindTokenAndGetText());
// The name of the interface method.
method.Name = currentNode.ChildNodes[0].ChildNodes[1].FindTokenAndGetText();
// Build the list of generic type names.
if (currentNode.ChildNodes[1].ChildNodes.Count > 0)
{
var generics = currentNode.ChildNodes[1].ChildNodes[0].ChildNodes[1];
foreach (string s in IronyParser.InterpretList(generics))
method.GenericTypeNames.Add(parser.CheckAlias(s));
}
// Build the arguments of the method
if (currentNode.ChildNodes[2].ChildNodes.Count > 0)
{
foreach (var n in currentNode.ChildNodes[2].ChildNodes)
{
MethodDeclarationBuilder.BuildArgument(parser, method, n.ChildNodes[0]);
}
}
}
// Build the arguments for the method: check if it's directioned, array, generic, or simple
public static void BuildArgument(IronyParser parser, MethodDeclaration method, ParseTreeNode node)
{
if (node.Term.ToString() == "out_parameter")
{
var a = new DirectionedParameter(null, node.FindToken().Convert());
switch(node.ChildNodes[0].ChildNodes[0].Term.ToString())
{
case "ref":
a.Direction = ParameterDirection.Ref;
break;
case "out":
a.Direction = ParameterDirection.Out;
break;
}
a.TypeName = parser.CheckAlias(node.ChildNodes[1].FindTokenAndGetText());
a.Name = node.ChildNodes[2].FindTokenAndGetText();
method.Parameters.Add(a);
}
else if(node.Term.ToString() == "array_parameter")
{
var a = new SimpleParameter(null, node.FindToken().Convert());
a.TypeName = parser.CheckAlias(node.ChildNodes[0].FindTokenAndGetText()) + "[]";
a.Name = node.ChildNodes[3].FindTokenAndGetText();
method.Parameters.Add(a);
}
else if(node.Term.ToString() == "generic_parameter")
{
var a = new SimpleParameter(null, node.FindToken().Convert());
a.TypeName = node.ChildNodes[0].ChildNodes[0].FindTokenAndGetText()+"<";
for(int i = 0; i < node.ChildNodes[0].ChildNodes[2].ChildNodes.Count; i++)
{
a.TypeName += parser.CheckAlias(node.ChildNodes[0].ChildNodes[2].ChildNodes[i].FindTokenAndGetText());
if (i < node.ChildNodes[0].ChildNodes[2].ChildNodes.Count - 1)
a.TypeName += ",";
}
a.TypeName += ">";
a.Name = node.ChildNodes[1].FindTokenAndGetText();
method.Parameters.Add(a);
}
else
{
var a = new SimpleParameter(null, node.FindToken().Convert());
a.TypeName = parser.CheckAlias(node.ChildNodes[0].FindTokenAndGetText());
a.Name = node.ChildNodes[1].FindTokenAndGetText();
method.Parameters.Add(a);
}
}
// Generate a codedom method declaration and attach it to the given codedom type.
public static void Emit(CodeTypeDeclaration codeTypeDeclaration, MethodDeclaration methodDeclaration)
{
// Create the codedom member method and attach it to the codedom type.
var codeMemberMethod = new CodeMemberMethod();
codeTypeDeclaration.Members.Add(codeMemberMethod);
// Assign the method name
codeMemberMethod.Name = methodDeclaration.Name;
// Assign the return type: make sure to check for null.
if (methodDeclaration.ReturnTypeName == "void")
codeMemberMethod.ReturnType = null;
else
codeMemberMethod.ReturnType = new CodeTypeReference(methodDeclaration.ReturnTypeName);
// Translate the method parameters.
foreach (Expression p in methodDeclaration.Parameters)
{
if(p is SimpleParameter) // For example "int i"
codeMemberMethod.Parameters.Add(new CodeParameterDeclarationExpression((p as SimpleParameter).TypeName, (p as SimpleParameter).Name));
if(p is DirectionedParameter) // For example "ref int i"
{
var codeParameter = new CodeParameterDeclarationExpression((p as DirectionedParameter).TypeName, (p as DirectionedParameter).Name);
switch((p as DirectionedParameter).Direction)
{
case ParameterDirection.Out:
codeParameter.Direction = FieldDirection.Out;
break;
case ParameterDirection.Ref:
codeParameter.Direction = FieldDirection.Ref;
break;
}
codeMemberMethod.Parameters.Add(codeParameter);
}
}
// Translate the method's accessibility
MemberAttributes memberAttributes = MemberAttributes.Public;
switch (methodDeclaration.Accessibility)
{
case Accessibility.Internal:
memberAttributes = MemberAttributes.FamilyAndAssembly;
break;
case Accessibility.Private:
memberAttributes = MemberAttributes.Private;
break;
case Accessibility.Protected:
memberAttributes = MemberAttributes.Family;
break;
case Accessibility.Public:
memberAttributes = MemberAttributes.Public;
break;
}
// Shared = static
if (methodDeclaration.IsShared) memberAttributes |= MemberAttributes.Static;
if (methodDeclaration.IsAbstract) memberAttributes |= MemberAttributes.Abstract;
if(!methodDeclaration.IsVirtual && !methodDeclaration.IsAbstract)
if (methodDeclaration.IsOverride)
memberAttributes |= MemberAttributes.Override;
else
memberAttributes |= MemberAttributes.Final;
codeMemberMethod.Attributes = memberAttributes;
// Add the statements found in the method body.
foreach (var e in methodDeclaration.ChildExpressions)
codeMemberMethod.Statements.Add(CodeDomEmitter.EmitCodeStatement(e));
}
// Build a method declaration expression
public static void BuildMethodDeclaration(IronyParser parser, Root root, Expression parentExpression, ParseTreeNode currentNode)
{
MethodDeclaration e = new MethodDeclaration(parentExpression, currentNode.FindToken().Convert());
parentExpression.ChildExpressions.Add(e);
int i = 0;
// Set default modifiers
var c = parentExpression as Class;
if(c.IsModule) // If the parent is a module, set the method to shared.
{
e.IsShared = true;
}
// Interpret the modifiers for the method declaration
InterpretModifiers(root, e, currentNode.ChildNodes[0].ChildNodes[0]);
if(e.IsShared && (e.IsFinal || e.IsOverride))
root.CompilerErrors.Add(new IncompatibleModifiersCompilerError("", currentNode.FindToken().Location.Line,
currentNode.FindToken().Location.Position));
i+=1; // skip the def
// Interpret the return type name: check if it's an array, generic, or simple type name
if (currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[0].ChildNodes[0].Term.ToString() == "array")
{
e.Name = currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[1].FindTokenAndGetText();
e.ReturnTypeName = parser.CheckAlias(currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[0].ChildNodes[0].FindTokenAndGetText()) + "[]";
}
else if (currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[0].ChildNodes[0].Term.ToString() == "generic_identifier")
{
var genericNode = currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[0].ChildNodes[0];
e.Name = parser.CheckAlias(currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[1].FindTokenAndGetText());
e.ReturnTypeName = parser.CheckAlias(genericNode.ChildNodes[0].FindTokenAndGetText()) + "<";
for(int n = 0; n < genericNode.ChildNodes[2].ChildNodes.Count; n++)
{
e.ReturnTypeName += parser.CheckAlias(genericNode.ChildNodes[2].ChildNodes[n].FindTokenAndGetText());
if(n < genericNode.ChildNodes[2].ChildNodes.Count - 1)
e.ReturnTypeName += ",";
}
e.ReturnTypeName += ">";
}
else
{
e.Name = currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[1].FindTokenAndGetText();
e.ReturnTypeName = parser.CheckAlias(currentNode.ChildNodes[0].ChildNodes[1].ChildNodes[0].FindTokenAndGetText());
}
i++;
i++;
// Add the generic type names for the method declaration
if (currentNode.ChildNodes[1].ChildNodes.Count > 0)
{
var generics = currentNode.ChildNodes[1].ChildNodes[0].ChildNodes[1];
foreach (string s in IronyParser.InterpretList(generics))
e.GenericTypeNames.Add(s);
}
i+=1;
// add the arguments for the method declaration
if (currentNode.ChildNodes[2].ChildNodes.Count > 0)
{
foreach (var n in currentNode.ChildNodes[2].ChildNodes)
{
BuildArgument(parser, e, n.ChildNodes[0]);
}
}
// Build the body of statements in the method declaration
parser.ConsumeParseTree(root, e, currentNode.ChildNodes[3]);
}
// Interpret the modifiers for the method declaration
static void InterpretModifiers(Root root, MethodDeclaration c, ParseTreeNode node)
{
bool foundPublic = false;
bool foundInternal = false;
bool foundFinal = false;
bool foundShared = false;
bool foundAbstract = false;
bool foundPrivate = false;
bool foundProtected = false;
bool foundOverride = false;
bool foundVirtual = false;
foreach (var modifierNode in node.ChildNodes)
{
string text = modifierNode.FindTokenAndGetText();
if (text == "public")
{
if (foundPublic || foundInternal || foundPrivate || foundProtected)
{
root.CompilerErrors.Add(new MultipleAccessModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.Accessibility = Accessibility.Public;
foundPublic = true;
}
}
if (text == "internal")
{
if (foundInternal || foundPublic || foundPrivate || foundProtected)
{
root.CompilerErrors.Add(new MultipleAccessModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.Accessibility = Accessibility.Internal;
foundInternal = true;
}
}
if (text == "protected")
{
if (foundInternal || foundPublic || foundPrivate || foundProtected)
{
root.CompilerErrors.Add(new MultipleAccessModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.Accessibility = Accessibility.Protected;
foundProtected = true;
}
}
if (text == "private")
{
if (foundInternal || foundPublic || foundPrivate || foundProtected)
{
root.CompilerErrors.Add(new MultipleAccessModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.Accessibility = Accessibility.Private;
foundPrivate = true;
}
}
if (text == "final")
{
if (foundFinal)
{
root.CompilerErrors.Add(new DuplicateModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.IsFinal = true;
foundFinal = true;
}
}
if (text == "abstract")
{
if (foundAbstract)
{
root.CompilerErrors.Add(new DuplicateModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.IsAbstract = true;
foundAbstract = true;
}
}
if (text == "shared")
{
if (foundShared)
{
root.CompilerErrors.Add(new DuplicateModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.IsShared = true;
foundShared = true;
}
}
if (text == "virtual")
{
if (foundVirtual)
{
root.CompilerErrors.Add(new DuplicateModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.IsVirtual = true;
foundVirtual = true;
}
}
if (text == "override")
{
if (foundOverride)
{
root.CompilerErrors.Add(new DuplicateModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.IsOverride = true;
foundOverride = true;
}
}
}
}
