// Generates a codedom enumeration and attaches it to the given namespace.
public static void Emit(CodeNamespace codeNamespace, Pie.Expressions.Enum e)
{
// CodeTypeDeclaration is the CodeDOM representation of a
// class, struct, or enum.
var codeTypeDeclaration = new CodeTypeDeclaration();
codeNamespace.Types.Add(codeTypeDeclaration);
// Assign the unqualified name (without namespace).
codeTypeDeclaration.Name = e.UnqualifiedName;
// Flag the type as an enum.
codeTypeDeclaration.IsEnum = true;
// Set the accessibility of the enum.
switch (e.Accessibility)
{
case Accessibility.Internal:
codeTypeDeclaration.TypeAttributes = TypeAttributes.NestedAssembly;
break;
case Accessibility.Public:
codeTypeDeclaration.TypeAttributes = TypeAttributes.Public;
break;
}
// Translate the list of constants in the enum
foreach (var c in e.Constants)
{
var f = new CodeMemberField(e.UnqualifiedName, c.Name);
f.InitExpression = new CodePrimitiveExpression(c.Value);
codeTypeDeclaration.Members.Add(f);
}
}
// Interpret the modifiers for this enum declaration.
static void InterpretModifiers(Root root, Pie.Expressions.Enum c, ParseTreeNode node)
{
bool foundPublic = false;
bool foundInternal = false;
foreach (var modifierNode in node.ChildNodes)
{
string text = modifierNode.FindTokenAndGetText();
if (text == "public")
{
if (foundPublic || foundInternal)
{
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)
{
root.CompilerErrors.Add(new MultipleAccessModifiersCompilerError("",
modifierNode.FindToken().Location.Line,
modifierNode.FindToken().Location.Position));
}
else
{
c.Accessibility = Accessibility.Internal;
foundInternal = true;
}
}
}
}
// Build an enum expression
public static void BuildEnum(IronyParser parser, Root root, Expression parentExpression, ParseTreeNode currentNode)
{
Pie.Expressions.Enum e = new Pie.Expressions.Enum(parentExpression, currentNode.Token.Convert());
parentExpression.ChildExpressions.Add(e);
int i = 0;
// Find modifiers
InterpretModifiers(root, e, currentNode.ChildNodes[i]);
i+=2;
e.UnqualifiedName = currentNode.ChildNodes[i].FindTokenAndGetText();
i+=1;
int enumValue = 0;
// Get the constants defined by this enum: check that they have values assigned.
if(currentNode.ChildNodes[i].ChildNodes.Count > 0)
{
foreach(var node in currentNode.ChildNodes[i].ChildNodes[0].ChildNodes)
{
if(node.ChildNodes[0].Term.ToString() == "identifier_constant")
{
e.Constants.Add(new EnumConstant(node.ChildNodes[0].FindTokenAndGetText(), enumValue++));
}
if (node.ChildNodes[0].Term.ToString() == "assignment_constant")
{
enumValue = Int32.Parse(node.ChildNodes[0].ChildNodes[2].FindTokenAndGetText());
e.Constants.Add(new EnumConstant(node.ChildNodes[0].FindTokenAndGetText(), enumValue++));
}
}
}
}
// Build an enum expression
public static void BuildEnum(IronyParser parser, Root root, Expression parentExpression, ParseTreeNode currentNode)
{
Pie.Expressions.Enum e = new Pie.Expressions.Enum(parentExpression, currentNode.Token.Convert());
parentExpression.ChildExpressions.Add(e);
int i = 0;
// Find modifiers
InterpretModifiers(root, e, currentNode.ChildNodes[i]);
i += 2;
e.UnqualifiedName = currentNode.ChildNodes[i].FindTokenAndGetText();
i += 1;
int enumValue = 0;
// Get the constants defined by this enum: check that they have values assigned.
if (currentNode.ChildNodes[i].ChildNodes.Count > 0)
{
foreach (var node in currentNode.ChildNodes[i].ChildNodes[0].ChildNodes)
{
if (node.ChildNodes[0].Term.ToString() == "identifier_constant")
{
e.Constants.Add(new EnumConstant(node.ChildNodes[0].FindTokenAndGetText(), enumValue++));
}
if (node.ChildNodes[0].Term.ToString() == "assignment_constant")
{
enumValue = Int32.Parse(node.ChildNodes[0].ChildNodes[2].FindTokenAndGetText());
e.Constants.Add(new EnumConstant(node.ChildNodes[0].FindTokenAndGetText(), enumValue++));
}
}
}
}