public static bool TryParseNode(Genero4glParser parser, out DeclarativeDialogBlock node, IModuleResult containingModule)
{
node = null;
bool result = false;
AccessModifier?accMod = null;
string accModToken = null;
if (parser.PeekToken(TokenKind.PublicKeyword))
{
accMod = AccessModifier.Public;
accModToken = parser.PeekToken().Value.ToString();
}
else if (parser.PeekToken(TokenKind.PrivateKeyword))
{
accMod = AccessModifier.Private;
accModToken = parser.PeekToken().Value.ToString();
}
uint lookAheadBy = (uint)(accMod.HasValue ? 2 : 1);
if (parser.PeekToken(TokenKind.DialogKeyword, lookAheadBy))
{
result = true;
node = new DeclarativeDialogBlock();
if (accMod.HasValue)
{
parser.NextToken();
node.AccessModifier = accMod.Value;
}
else
{
node.AccessModifier = AccessModifier.Public;
}
parser.NextToken(); // move past the Function keyword
node.StartIndex = parser.Token.Span.Start;
// get the name
if (parser.PeekToken(TokenCategory.Keyword) || parser.PeekToken(TokenCategory.Identifier))
{
parser.NextToken();
node.Name = parser.Token.Token.Value.ToString();
node.LocationIndex = parser.Token.Span.Start;
node.DecoratorEnd = parser.Token.Span.End;
}
else
{
parser.ReportSyntaxError("A declarative dialog must have a name.");
}
if (!parser.PeekToken(TokenKind.LeftParenthesis))
{
parser.ReportSyntaxError("A declarative dialog must specify zero or more parameters in the form: ([param1][,...])");
}
else
{
parser.NextToken();
}
// get the parameters
while (parser.PeekToken(TokenCategory.Keyword) || parser.PeekToken(TokenCategory.Identifier))
{
parser.NextToken();
string errMsg;
if (!node.AddArgument(parser.Token, out errMsg))
{
parser.ReportSyntaxError(errMsg);
}
if (parser.PeekToken(TokenKind.Comma))
{
parser.NextToken();
}
// TODO: probably need to handle "end" "function" case...won't right now
}
if (!parser.PeekToken(TokenKind.RightParenthesis))
{
parser.ReportSyntaxError("A declarative dialog must specify zero or more parameters in the form: ([param1][,...])");
}
else
{
parser.NextToken();
}
List <List <TokenKind> > breakSequences =
new List <List <TokenKind> >
{
new List <TokenKind> {
TokenKind.InputKeyword
},
new List <TokenKind> {
TokenKind.ConstructKeyword
},
new List <TokenKind> {
TokenKind.DisplayKeyword
},
new List <TokenKind> {
TokenKind.EndKeyword, TokenKind.DialogKeyword
}
};
// only defines are allowed in declarative dialogs
DefineNode defineNode;
bool matchedBreakSequence = false;
while (DefineNode.TryParseDefine(parser, out defineNode, out matchedBreakSequence, breakSequences) && defineNode != null)
{
node.Children.Add(defineNode.StartIndex, defineNode);
foreach (var def in defineNode.GetDefinitions())
{
foreach (var vardef in def.VariableDefinitions)
{
vardef.Scope = "local variable";
if (!node.Variables.ContainsKey(vardef.Name))
{
node.Variables.Add(vardef.Name, vardef);
}
else
{
parser.ReportSyntaxError(vardef.LocationIndex, vardef.LocationIndex + vardef.Name.Length, string.Format("Variable {0} defined more than once.", vardef.Name), Severity.Error);
}
}
}
if (parser.PeekToken(TokenKind.EndOfFile) ||
(parser.PeekToken(TokenKind.EndKeyword) && parser.PeekToken(TokenKind.ReportKeyword, 2)))
{
break;
}
// if a break sequence was matched, we don't want to advance the token
if (!matchedBreakSequence)
{
// TODO: not sure whether to break or keep going...for right now, let's keep going until we hit the end keyword
parser.NextToken();
}
}
// we don't want the dialog piece itself to be outlinable, since it's a declarative block
node.Dialog = new DialogBlock(false);
node.Dialog.Attributes = new List <DialogAttribute>();
node.Dialog.Subdialogs = new List <FglNameExpression>();
List <Func <PrepareStatement, bool> > prepStatementBinders = new List <Func <PrepareStatement, bool> >();
prepStatementBinders.Insert(0, node.BindPrepareCursorFromIdentifier);
DialogBlock.BuildDialogBlock(parser, node.Dialog, containingModule, prepStatementBinders);
prepStatementBinders.RemoveAt(0);
foreach (var child in node.Dialog.Children)
{
node.Children.Add(child.Key, child.Value);
}
if (!parser.PeekToken(TokenKind.EndOfFile))
{
parser.NextToken();
if (parser.PeekToken(TokenKind.DialogKeyword))
{
parser.NextToken();
node.EndIndex = parser.Token.Span.End;
node.IsComplete = true;
}
else
{
parser.ReportSyntaxError(parser.Token.Span.Start, parser.Token.Span.End, "Invalid end of declarative dialog definition.");
}
}
else
{
parser.ReportSyntaxError("Unexpected end of declarative dialog definition");
}
}
return(result);
}
public static bool TryParseNode(Genero4glParser parser, out ModuleNode defNode)
{
defNode = new ModuleNode();
if (!string.IsNullOrWhiteSpace(parser.Filename))
{
defNode.ProgramName = Path.GetFileName(Path.GetDirectoryName(parser.Filename));
}
NodesProcessed processed = NodesProcessed.None;
while (!parser.PeekToken(TokenKind.EndOfFile))
{
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
CompilerOptionsNode compOptionsNode;
if (CompilerOptionsNode.TryParseNode(parser, out compOptionsNode) && compOptionsNode != null)
{
if (processed == NodesProcessed.None)
{
defNode.Children.Add(compOptionsNode.StartIndex, compOptionsNode);
}
else
{
parser.ReportSyntaxError("Compiler options statement found in incorrect position.");
}
}
if (processed == NodesProcessed.None)
{
processed = NodesProcessed.CompilerOption;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
ImportModuleNode importNode;
if (ImportModuleNode.TryParseNode(parser, out importNode) && importNode != null)
{
if (processed == NodesProcessed.CompilerOption)
{
if (!defNode.Children.ContainsKey(importNode.StartIndex))
{
defNode.Children.Add(importNode.StartIndex, importNode);
if (!string.IsNullOrWhiteSpace(importNode.ImportName))
{
if (importNode.ImportType == ImportModuleType.C)
{
defNode.CExtensionImports.Add(importNode.ImportName);
}
else if (importNode.ImportType == ImportModuleType.Java)
{
defNode.JavaImports.Add(importNode.ImportName);
}
else
{
defNode.FglImports.Add(importNode.ImportName);
}
}
}
continue;
}
else
{
parser.ReportSyntaxError("Import statement found in incorrect position.");
}
}
if (processed == NodesProcessed.CompilerOption)
{
processed = NodesProcessed.Imports;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
SchemaSpecificationNode schemaNode;
if (SchemaSpecificationNode.TryParseDefine(parser, out schemaNode) && schemaNode != null)
{
if (processed == NodesProcessed.Imports)
{
if (!defNode.Children.ContainsKey(schemaNode.StartIndex))
{
defNode.Children.Add(schemaNode.StartIndex, schemaNode);
}
}
else
{
parser.ReportSyntaxError("Schema statement found in incorrect position.");
}
}
if (processed == NodesProcessed.Imports)
{
processed = NodesProcessed.SchemaSpec;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
GlobalsNode globalNode;
if (GlobalsNode.TryParseNode(parser, out globalNode) && globalNode != null)
{
if (processed == NodesProcessed.SchemaSpec || processed == NodesProcessed.MemberDefinitions)
{
defNode.Children.Add(globalNode.StartIndex, globalNode);
foreach (var cGlobKVP in globalNode.Constants)
{
if (!defNode.GlobalConstants.ContainsKey(cGlobKVP.Key))
{
defNode.GlobalConstants.Add(cGlobKVP);
}
else
{
parser.ReportSyntaxError(cGlobKVP.Value.LocationIndex, cGlobKVP.Value.LocationIndex + cGlobKVP.Value.Name.Length, string.Format("Global constant {0} defined more than once.", cGlobKVP.Key), Severity.Error);
}
}
foreach (var tGlobKVP in globalNode.Types)
{
if (!defNode.GlobalTypes.ContainsKey(tGlobKVP.Key))
{
defNode.GlobalTypes.Add(tGlobKVP);
}
else
{
parser.ReportSyntaxError(tGlobKVP.Value.LocationIndex, tGlobKVP.Value.LocationIndex + tGlobKVP.Value.Name.Length, string.Format("Global type {0} defined more than once.", tGlobKVP.Key), Severity.Error);
}
}
foreach (var vGlobKVP in globalNode.Variables)
{
if (!defNode.GlobalVariables.ContainsKey(vGlobKVP.Key))
{
defNode.GlobalVariables.Add(vGlobKVP);
}
else
{
parser.ReportSyntaxError(vGlobKVP.Value.LocationIndex, vGlobKVP.Value.LocationIndex + vGlobKVP.Value.Name.Length, string.Format("Global variable {0} defined more than once.", vGlobKVP.Key), Severity.Error);
}
}
continue;
}
else
{
parser.ReportSyntaxError("Globals statement found in incorrect position.");
}
}
if (processed == NodesProcessed.SchemaSpec)
{
processed = NodesProcessed.MemberDefinitions;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
bool matchedBreakSequence = false;
ConstantDefNode constNode;
List <List <TokenKind> > breakSequences = new List <List <TokenKind> >()
{
new List <TokenKind> {
TokenKind.GlobalsKeyword
},
new List <TokenKind> {
TokenKind.PublicKeyword
},
new List <TokenKind> {
TokenKind.PrivateKeyword
},
new List <TokenKind> {
TokenKind.ConstantKeyword
},
new List <TokenKind> {
TokenKind.DefineKeyword
},
new List <TokenKind> {
TokenKind.TypeKeyword
},
new List <TokenKind> {
TokenKind.FunctionKeyword
},
new List <TokenKind> {
TokenKind.MainKeyword
},
new List <TokenKind> {
TokenKind.ReportKeyword
}
};
if (ConstantDefNode.TryParseNode(parser, out constNode, out matchedBreakSequence, breakSequences) && constNode != null)
{
if (processed == NodesProcessed.SchemaSpec || processed == NodesProcessed.MemberDefinitions)
{
defNode.Children.Add(constNode.StartIndex, constNode);
foreach (var def in constNode.GetDefinitions())
{
def.Scope = "module constant";
if (!defNode.Constants.ContainsKey(def.Name))
{
defNode.Constants.Add(def.Name, def);
}
else
{
parser.ReportSyntaxError(def.LocationIndex, def.LocationIndex + def.Name.Length, string.Format("Module constant {0} defined more than once.", def.Name), Severity.Error);
}
}
continue;
}
else
{
parser.ReportSyntaxError("Constant definition found in incorrect position.");
}
}
if (processed == NodesProcessed.SchemaSpec)
{
processed = NodesProcessed.MemberDefinitions;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
TypeDefNode typeNode;
if (TypeDefNode.TryParseNode(parser, out typeNode, out matchedBreakSequence, breakSequences) && typeNode != null)
{
if (processed == NodesProcessed.SchemaSpec || processed == NodesProcessed.MemberDefinitions)
{
if (!defNode.Children.ContainsKey(typeNode.StartIndex))
{
defNode.Children.Add(typeNode.StartIndex, typeNode);
}
foreach (var def in typeNode.GetDefinitions())
{
def.Scope = "module type";
if (!defNode.Types.ContainsKey(def.Name))
{
defNode.Types.Add(def.Name, def);
}
else
{
parser.ReportSyntaxError(def.LocationIndex, def.LocationIndex + def.Name.Length, string.Format("Module type {0} defined more than once.", def.Name), Severity.Error);
}
}
continue;
}
else
{
parser.ReportSyntaxError("Type definition found in incorrect position.");
}
}
if (processed == NodesProcessed.SchemaSpec)
{
processed = NodesProcessed.MemberDefinitions;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
DefineNode defineNode;
if (DefineNode.TryParseDefine(parser, out defineNode, out matchedBreakSequence, breakSequences) && defineNode != null)
{
if (processed == NodesProcessed.SchemaSpec || processed == NodesProcessed.MemberDefinitions)
{
defNode.Children.Add(defineNode.StartIndex, defineNode);
foreach (var def in defineNode.GetDefinitions())
{
foreach (var vardef in def.VariableDefinitions)
{
vardef.Scope = "module variable";
vardef.SetIsPublic(defineNode.AccessModifier == AccessModifier.Public);
if (!defNode.Variables.ContainsKey(vardef.Name))
{
defNode.Variables.Add(vardef.Name, vardef);
}
else
{
parser.ReportSyntaxError(vardef.LocationIndex, vardef.LocationIndex + vardef.Name.Length, string.Format("Module variable {0} defined more than once.", vardef.Name), Severity.Error);
}
}
}
continue;
}
else
{
parser.ReportSyntaxError("Variable definition found in incorrect position.");
}
}
if (processed == NodesProcessed.SchemaSpec)
{
processed = NodesProcessed.MemberDefinitions;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
MainBlockNode mainBlock;
if (MainBlockNode.TryParseNode(parser, out mainBlock, defNode) && mainBlock != null)
{
if (processed == NodesProcessed.MemberDefinitions)
{
defNode.Children.Add(mainBlock.StartIndex, mainBlock);
defNode.Functions.Add(mainBlock.Name, mainBlock);
foreach (var cursor in mainBlock.Children.Values.Where(x => x is PrepareStatement || x is DeclareStatement))
{
IAnalysisResult curRes = cursor as IAnalysisResult;
if (!defNode.Cursors.ContainsKey(curRes.Name))
{
defNode.Cursors.Add(curRes.Name, curRes);
}
}
}
else
{
parser.ReportSyntaxError("Main block found in incorrect position.");
}
}
if (processed == NodesProcessed.MemberDefinitions)
{
processed = NodesProcessed.Main;
}
if (CheckForPreprocessorNode(parser, defNode))
{
continue;
}
FunctionBlockNode funcNode;
ReportBlockNode repNode;
DeclarativeDialogBlock dialogNode;
int dummy;
if (FunctionBlockNode.TryParseNode(parser, out funcNode, out dummy, defNode) && funcNode != null)
{
defNode.Children.Add(funcNode.StartIndex, funcNode);
funcNode.Scope = "function";
if (string.IsNullOrWhiteSpace(funcNode.Name))
{
parser.ReportSyntaxError(funcNode.LocationIndex, funcNode.LocationIndex, "Invalid function definition found.");
}
else if (!defNode.Functions.ContainsKey(funcNode.Name))
{
defNode.Functions.Add(funcNode.Name, funcNode);
}
else
{
parser.ReportSyntaxError(funcNode.LocationIndex, funcNode.LocationIndex + funcNode.Name.Length, string.Format("Function {0} defined more than once.", funcNode.Name), Severity.Error);
}
}
else if (ReportBlockNode.TryParseNode(parser, out repNode, defNode) && repNode != null)
{
defNode.Children.Add(repNode.StartIndex, repNode);
repNode.Scope = "report";
if (string.IsNullOrWhiteSpace(repNode.Name))
{
parser.ReportSyntaxError(repNode.LocationIndex, repNode.LocationIndex, "Invalid report definition found.");
}
else if (!defNode.Functions.ContainsKey(repNode.Name))
{
defNode.Functions.Add(repNode.Name, repNode);
}
else
{
parser.ReportSyntaxError(repNode.LocationIndex, repNode.LocationIndex + repNode.Name.Length, string.Format("Report {0} defined more than once.", repNode.Name), Severity.Error);
}
}
else if (DeclarativeDialogBlock.TryParseNode(parser, out dialogNode, defNode) && dialogNode != null)
{
defNode.Children.Add(dialogNode.StartIndex, dialogNode);
dialogNode.Scope = "dialog";
if (string.IsNullOrWhiteSpace(dialogNode.Name))
{
parser.ReportSyntaxError(dialogNode.LocationIndex, dialogNode.LocationIndex, "Invalid declarative dialog definition found.");
}
else if (!defNode.Functions.ContainsKey(dialogNode.Name))
{
defNode.Functions.Add(dialogNode.Name, dialogNode);
}
else
{
parser.ReportSyntaxError(dialogNode.LocationIndex, dialogNode.LocationIndex + dialogNode.Name.Length, string.Format("Declarative dialog {0} defined more than once.", dialogNode.Name), Severity.Error);
}
}
else
{
parser.NextToken();
}
}
if (defNode.Children.Count > 0)
{
defNode.StartIndex = defNode.Children[defNode.Children.Keys[0]].StartIndex;
defNode.EndIndex = defNode.Children[defNode.Children.Keys[defNode.Children.Count - 1]].EndIndex;
defNode.IsComplete = true;
}
return(true);
}