//protected void SetContext(GMacSymbolTranslatorContext context)
//{
// this.SetContext((SymbolTranslatorContext)context);
//}
/// <summary>
/// Take a qualified indetifier node and separate it into a parent symbol and a child symbol name
/// </summary>
/// <param name="node"></param>
/// <param name="parentSymbol"></param>
/// <param name="childSymbolName"></param>
protected bool Translate_ParentSymbolAndChildSymbolName(ParseTreeNode node, out SymbolWithScope parentSymbol, out string childSymbolName)
{
var qualList = GenUtils.Translate_Qualified_Identifier(node);
childSymbolName = qualList.LastItem;
if (qualList.ActiveLength == 1)
{
parentSymbol = Context.ActiveParentSymbol;
}
else
{
qualList.DecreaseActiveEndOffset();
parentSymbol = GMacValueAccessGenerator.Translate_Direct(Context, node, qualList) as SymbolWithScope;
}
return(ReferenceEquals(parentSymbol, null) == false);
}
private static bool TryTranslate_LValue(GMacSymbolTranslatorContext context, ParseTreeNode node, out LanguageValueAccess varAccess)
{
var qualList = GenUtils.Translate_Qualified_Identifier(node);
LanguageSymbol symbol;
var flag =
context
.OpenedDistinctScopes()
.LookupSymbol(qualList.FirstItem, out symbol);
if (flag == false || (symbol is SymbolLValue) == false)
{
varAccess = null;
return(false);
}
varAccess = LanguageValueAccess.Create(symbol);
return(true);
}
//public override void ResetOnAcquire()
//{
// base.ResetOnAcquire();
// _generatedMacroTemplate = null;
//}
private void translate_MacroTemplate()
{
try
{
Context.MarkCheckPointState();
var nodeMacro = RootParseNode.ChildNodes[0];
//Read the name of the new macro template
var qualList = GenUtils.Translate_Qualified_Identifier(nodeMacro.ChildNodes[0]);
if (qualList.ActiveLength > 1)
{
CompilationLog.RaiseGeneratorError <int>("Template name cannot be a qualified name", RootParseNode.ChildNodes[0]);
}
var templateName = qualList.FirstItem;
if (Context.ParentNamespace.CanDefineChildSymbol(templateName) == false)
{
CompilationLog.RaiseGeneratorError <int>("Symbol name already used", RootParseNode.ChildNodes[0]);
}
_generatedMacroTemplate =
Context.ParentNamespace.DefineMacroTemplate(templateName, nodeMacro);
_generatedMacroTemplate.CodeLocation = Context.GetCodeLocation(RootParseNode);
Context.UnmarkCheckPointState();
}
catch (CompilerException)
{
Context.RestoreToCheckPointState();
}
catch (Exception e)
{
Context.RestoreToCheckPointState();
throw new Exception("Unhandled Exception", e);
}
}
private LanguageValueAccess translate_Qualified_Identifier(ParseTreeNode node)
{
//If _QualList is not already filled, translate the current parse node into a list of identifiers
if (_qualList == null)
{
_qualList = GenUtils.Translate_Qualified_Identifier(node);
}
//Lookup the first item of the translated list of identifiers within the current context
LanguageSymbol symbol;
var flag =
_followScopeChain
//? Context.LookupSymbolInOpenedDistinctScopes(_qualList.FirstItem, out symbol)
? Context.OpenedDistinctScopes().LookupSymbol(_qualList.FirstItem, out symbol)
: Context.ActiveParentScope.LookupSymbol(_qualList.FirstItem, out symbol);
if (flag == false)
{
return(CompilationLog.RaiseGeneratorError <LanguageValueAccess>("Symbol name not recognized", RootParseNode));
}
//Ignore the first item from the list
_qualList.IncreaseActiveStartOffset(1);
if (_isLValue)
{
//This is an l-value
switch (symbol.SymbolRoleName)
{
case RoleNames.StructureDataMember:
case RoleNames.MacroParameter:
case RoleNames.LocalVariable:
return(translate_StartAt_DataSymbol((SymbolDataStore)symbol));
default:
return(CompilationLog.RaiseGeneratorError <LanguageValueAccess>("LValue symbol name not recognized", RootParseNode));
}
}
//This is an r-value
switch (symbol.SymbolRoleName)
{
case RoleNames.MacroParameter:
case RoleNames.LocalVariable:
case RoleNames.Constant:
return(translate_StartAt_DataSymbol((SymbolDataStore)symbol));
case RoleNames.FrameBasisVector:
case RoleNames.BuiltinType:
case RoleNames.FrameMultivector:
case RoleNames.Structure:
case RoleNames.Macro:
case RoleNames.MacroTemplate:
case RoleNames.Transform:
case RoleNames.FrameSubspace:
//case RoleNames.Binding:
return(translate_StartAt_DirectSymbol(symbol));
case RoleNames.Frame:
return(translate_StartAt_FrameDefinition((GMacFrame)symbol));
case RoleNames.Namespace:
return(translate_StartAt_NamespaceDefinition((GMacNamespace)symbol));
default:
return(CompilationLog.RaiseGeneratorError <LanguageValueAccess>("RValue symbol name not recognized", RootParseNode));
}
}
//public override void ResetOnAcquire()
//{
// base.ResetOnAcquire();
// _generatedNamespace = null;
//}
private void translate_Namespace()
{
try
{
Context.MarkCheckPointState();
//Read the namespace name: for example main.conformal.cga5d
var qualList = GenUtils.Translate_Qualified_Identifier(RootParseNode.ChildNodes[0]);
//Find the root namespace inside the root global scope of the GMacDSL (search for a namespace called 'main')
GMacNamespace nameSpace;
if (GMacRootAst.LookupRootNamespace(qualList.FirstItem, out nameSpace) == false)
{
if (GMacRootAst.RootScope.SymbolExists(qualList.FirstItem))
{
CompilationLog.RaiseGeneratorError <int>("Namespace name already used", RootParseNode.ChildNodes[0]);
}
nameSpace = GMacRootAst.DefineRootNamespace(qualList.FirstItem);
}
//Starting from the created\found root namespace, repeat the previous operation for each child namespace in qual_list
for (var i = 1; i < qualList.ActiveLength; i++)
{
GMacNamespace childNamespace;
if (nameSpace.LookupNamespace(qualList[i], out childNamespace))
{
nameSpace = childNamespace;
}
else
{
if (nameSpace.CanDefineChildSymbol(qualList[i]) == false)
{
CompilationLog.RaiseGeneratorError <int>("Symbol with same name already exists", RootParseNode.ChildNodes[0]);
}
nameSpace = nameSpace.DefineNamespace(qualList[i]);
}
}
_generatedNamespace = nameSpace;
_generatedNamespace.AddCodeLocation(Context.GetCodeLocation(RootParseNode));
Context.UnmarkCheckPointState();
Context.CompilationLog.ReportNormal("Translated Namespace: " + _generatedNamespace.SymbolAccessName, ProgressEventArgsResult.Success);
}
catch (CompilerException)
{
Context.RestoreToCheckPointState();
Context.CompilationLog.ReportNormal("Translate Namespace Failed", ProgressEventArgsResult.Failure);
}
catch (Exception e)
{
Context.RestoreToCheckPointState();
Context.CompilationLog.ReportError("Translate Namespace Failed With Error", e);
}
}