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);
}
public static bool TryParseNode(Genero4glParser parser, out MainBlockNode defNode, IModuleResult containingModule)
{
defNode = null;
bool result = false;
if (parser.PeekToken(TokenKind.MainKeyword))
{
result = true;
defNode = new MainBlockNode();
parser.NextToken();
defNode.Name = parser.Token.Token.Value.ToString();
defNode.StartIndex = parser.Token.Span.Start;
defNode.DecoratorEnd = defNode.StartIndex + 4;
defNode.AccessModifier = AccessModifier.Private;
List <List <TokenKind> > breakSequences =
new List <List <TokenKind> >(Genero4glAst.ValidStatementKeywords
.Where(x => x != TokenKind.EndKeyword && x != TokenKind.MainKeyword)
.Select(x => new List <TokenKind> {
x
}))
{
new List <TokenKind> {
TokenKind.EndKeyword, TokenKind.MainKeyword
}
};
List <TokenKind> validExits = new List <TokenKind> {
TokenKind.ProgramKeyword
};
HashSet <TokenKind> endKeywords = new HashSet <TokenKind> {
TokenKind.MainKeyword
};
bool fglStatement = false;
// try to parse one or more declaration statements
while (!parser.PeekToken(TokenKind.EndOfFile) &&
!(parser.PeekToken(TokenKind.EndKeyword) && parser.PeekToken(TokenKind.MainKeyword, 2)))
{
fglStatement = false;
DefineNode defineNode;
TypeDefNode typeNode;
ConstantDefNode constNode;
bool matchedBreakSequence = false;
switch (parser.PeekToken().Kind)
{
case TokenKind.TypeKeyword:
{
if (TypeDefNode.TryParseNode(parser, out typeNode, out matchedBreakSequence, breakSequences) && typeNode != null)
{
defNode.Children.Add(typeNode.StartIndex, typeNode);
foreach (var def in typeNode.GetDefinitions())
{
def.Scope = "local 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("Type {0} defined more than once.", def.Name), Severity.Error);
}
}
}
break;
}
case TokenKind.ConstantKeyword:
{
if (ConstantDefNode.TryParseNode(parser, out constNode, out matchedBreakSequence, breakSequences) && constNode != null)
{
defNode.Children.Add(constNode.StartIndex, constNode);
foreach (var def in constNode.GetDefinitions())
{
def.Scope = "local 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("Constant {0} defined more than once.", def.Name), Severity.Error);
}
}
}
break;
}
case TokenKind.DefineKeyword:
{
if (DefineNode.TryParseDefine(parser, out defineNode, out matchedBreakSequence, breakSequences) && defineNode != null)
{
defNode.Children.Add(defineNode.StartIndex, defineNode);
foreach (var def in defineNode.GetDefinitions())
{
foreach (var vardef in def.VariableDefinitions)
{
vardef.Scope = "local variable";
if (!defNode.Variables.ContainsKey(vardef.Name))
{
defNode.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);
}
}
}
}
break;
}
default:
{
FglStatement statement;
List <Func <PrepareStatement, bool> > prepBinders = new List <Func <PrepareStatement, bool> >();
prepBinders.Add(defNode.BindPrepareCursorFromIdentifier);
if (parser.StatementFactory.TryParseNode(parser, out statement, containingModule, prepBinders,
defNode.StoreReturnStatement, defNode.AddLimitedScopeVariable, false, validExits, null, null, endKeywords) && statement != null)
{
AstNode4gl stmtNode = statement as AstNode4gl;
defNode.Children.Add(stmtNode.StartIndex, stmtNode);
fglStatement = true;
}
break;
}
}
if (parser.PeekToken(TokenKind.EndOfFile) ||
(parser.PeekToken(TokenKind.EndKeyword) && parser.PeekToken(TokenKind.MainKeyword, 2)))
{
break;
}
// if a break sequence was matched, we don't want to advance the token
if (!matchedBreakSequence && !fglStatement)
{
// TODO: not sure whether to break or keep going...for right now, let's keep going until we hit the end keyword
parser.NextToken();
}
}
if (!parser.PeekToken(TokenKind.EndOfFile))
{
parser.NextToken();
if (parser.PeekToken(TokenKind.MainKeyword))
{
parser.NextToken();
defNode.EndIndex = parser.Token.Span.End;
defNode.IsComplete = true;
}
else
{
parser.ReportSyntaxError(parser.Token.Span.Start, parser.Token.Span.End, "Invalid end of main definition.");
}
}
else
{
parser.ReportSyntaxError("Unexpected end of main definition");
}
}
return(result);
}