public static IAnalysisResult GetValueByIndex(string exprText, int index, Genero4glAst ast, out IGeneroProject definingProject, out IProjectEntry projectEntry, out bool isDeferredFunction,
FunctionProviderSearchMode searchInFunctionProvider = FunctionProviderSearchMode.NoSearch, bool isFunctionCallOrDefinition = false,
bool getTypes = true, bool getVariables = true, bool getConstants = true)
{
isDeferredFunction = false;
definingProject = null;
projectEntry = null;
//_functionProvider = functionProvider;
//_databaseProvider = databaseProvider;
//_programFileProvider = programFileProvider;
AstNode containingNode = null;
if (ast != null)
{
containingNode = GetContainingNode(ast.Body, index);
ast.Body.SetNamespace(null);
}
IAnalysisResult res = null;
int tmpIndex = 0;
int bracketDepth = 0;
bool doSearch = false;
bool resetStartIndex = false;
int startIndex = 0, endIndex = 0;
bool noEndIndexSet = false;
if (exprText == null)
{
return(null);
}
while (tmpIndex < exprText.Length)
{
if (resetStartIndex)
{
startIndex = tmpIndex;
resetStartIndex = false;
if (startIndex + 1 > exprText.Length)
{
break;
}
}
doSearch = false;
switch (exprText[tmpIndex])
{
case '.':
{
if (bracketDepth == 0)
{
endIndex = tmpIndex - 1;
if (endIndex >= startIndex)
{
// we have our 'piece'
doSearch = true;
}
if (exprText[startIndex] == '.')
{
startIndex++;
}
}
tmpIndex++;
}
break;
case '[':
if (noEndIndexSet)
{
noEndIndexSet = false;
}
else
{
if (bracketDepth == 0)
{
endIndex = tmpIndex - 1;
}
}
bracketDepth++;
tmpIndex++;
break;
case ']':
{
bracketDepth--;
if (bracketDepth == 0)
{
if (exprText.Length <= tmpIndex + 1 ||
exprText[tmpIndex + 1] != '[')
{
// we have our first 'piece'
doSearch = true;
}
else
{
noEndIndexSet = true;
}
}
tmpIndex++;
}
break;
default:
{
if (bracketDepth == 0 && (tmpIndex + 1 == exprText.Length))
{
endIndex = tmpIndex;
doSearch = true;
}
tmpIndex++;
}
break;
}
if (!doSearch)
{
continue;
}
// we can do our search
var dotPiece = exprText.Substring(startIndex, (endIndex - startIndex) + 1);
if (dotPiece.Contains('('))
{
// remove the params piece
int remIndex = dotPiece.IndexOf('(');
dotPiece = dotPiece.Substring(0, remIndex);
}
bool lookForFunctions = isFunctionCallOrDefinition && (endIndex + 1 == exprText.Length);
resetStartIndex = true;
if (res != null)
{
if (ast != null)
{
var gmi = new GetMemberInput
{
Name = dotPiece,
AST = ast,
IsFunction = lookForFunctions
};
IAnalysisResult tempRes = res.GetMember(gmi);
if (gmi.DefiningProject != null && definingProject != gmi.DefiningProject)
{
definingProject = gmi.DefiningProject;
}
if (gmi.ProjectEntry != null && projectEntry != gmi.ProjectEntry)
{
projectEntry = gmi.ProjectEntry;
}
res = tempRes;
if (tempRes == null)
{
res = null;
break;
}
}
else
{
res = null;
break;
}
}
else
{
IFunctionResult funcRes;
if (!lookForFunctions)
{
if (SystemVariables.TryGetValue(dotPiece, out res) ||
SystemConstants.TryGetValue(dotPiece, out res) ||
SystemMacros.TryGetValue(dotPiece, out res))
{
continue;
}
}
else
{
if (SystemFunctions.TryGetValue(dotPiece, out funcRes))
{
res = funcRes;
continue;
}
if (ast != null && ast._functionProvider != null && ast._functionProvider.Name.Equals(dotPiece, StringComparison.OrdinalIgnoreCase))
{
res = ast._functionProvider;
continue;
}
}
if (containingNode != null && containingNode is IFunctionResult)
{
IFunctionResult func = containingNode as IFunctionResult;
if ((getVariables && func.Variables.TryGetValue(dotPiece, out res)))
{
continue;
}
if (!lookForFunctions)
{
// Check for local vars, types, and constants
if ((getTypes && func.Types.TryGetValue(dotPiece, out res)) ||
(getConstants && func.Constants.TryGetValue(dotPiece, out res)))
{
continue;
}
List <Tuple <IAnalysisResult, IndexSpan> > limitedScopeVars;
if ((getVariables && func.LimitedScopeVariables.TryGetValue(dotPiece, out limitedScopeVars)))
{
foreach (var item in limitedScopeVars)
{
if (item.Item2.IsInSpan(index))
{
res = item.Item1;
break;
}
}
if (res != null)
{
continue;
}
}
}
}
if (ast != null && ast.Body is IModuleResult)
{
IModuleResult mod = ast.Body as IModuleResult;
if (!lookForFunctions)
{
// check for module vars, types, and constants (and globals defined in this module)
if ((getVariables && (mod.Variables.TryGetValue(dotPiece, out res) || mod.GlobalVariables.TryGetValue(dotPiece, out res))) ||
(getTypes && (mod.Types.TryGetValue(dotPiece, out res) || mod.GlobalTypes.TryGetValue(dotPiece, out res))) ||
(getConstants && (mod.Constants.TryGetValue(dotPiece, out res) || mod.GlobalConstants.TryGetValue(dotPiece, out res))))
{
continue;
}
// check for cursors in this module
if (mod.Cursors.TryGetValue(dotPiece, out res))
{
continue;
}
}
else
{
// check for module functions
if (mod.Functions.TryGetValue(dotPiece, out funcRes))
{
// check for any function info collected at the project entry level, and update the function's documentation with that.
if (ast._projEntry != null && ast._projEntry is IGeneroProjectEntry)
{
var commentInfo = (ast._projEntry as IGeneroProjectEntry).GetFunctionInfo(funcRes.Name);
if (commentInfo != null)
{
funcRes.SetCommentDocumentation(commentInfo);
}
}
res = funcRes;
continue;
}
}
}
// TODO: this could probably be done more efficiently by having each GeneroAst load globals and functions into
// dictionaries stored on the IGeneroProject, instead of in each project entry.
// However, this does required more upkeep when changes occur. Will look into it...
if (ast != null && ast.ProjectEntry != null && ast.ProjectEntry is IGeneroProjectEntry)
{
IGeneroProjectEntry genProj = ast.ProjectEntry as IGeneroProjectEntry;
if (genProj.ParentProject != null &&
!genProj.FilePath.ToLower().EndsWith(".inc"))
{
bool found = false;
foreach (var projEntry in genProj.ParentProject.ProjectEntries.Where(x => x.Value != genProj))
{
if (projEntry.Value.Analysis != null &&
projEntry.Value.Analysis.Body != null)
{
projEntry.Value.Analysis.Body.SetNamespace(null);
IModuleResult modRes = projEntry.Value.Analysis.Body as IModuleResult;
if (modRes != null)
{
if (!lookForFunctions)
{
// check global vars, types, and constants
// TODO: need option to enable/disable legacy linking
if ((getVariables && (modRes.Variables.TryGetValue(dotPiece, out res) || modRes.GlobalVariables.TryGetValue(dotPiece, out res))) ||
(getTypes && (modRes.Types.TryGetValue(dotPiece, out res) || modRes.GlobalTypes.TryGetValue(dotPiece, out res))) ||
(getConstants && (modRes.Constants.TryGetValue(dotPiece, out res) || modRes.GlobalConstants.TryGetValue(dotPiece, out res))))
{
found = true;
break;
}
// check for cursors in this module
if (modRes.Cursors.TryGetValue(dotPiece, out res))
{
found = true;
break;
}
}
else
{
// check project functions
if (modRes.Functions.TryGetValue(dotPiece, out funcRes))
{
if (funcRes.AccessModifier == AccessModifier.Public)
{
res = funcRes;
found = true;
break;
}
}
}
}
}
}
if (found)
{
continue;
}
}
}
// check for classes
GeneroPackage package;
if (Packages.TryGetValue(dotPiece, out package))
{
res = package;
continue;
}
/* TODO:
* Need to check for:
* 1) Temp tables
*/
// Nothing found yet...
// If our containing node is at the function or globals level, we need to go deeper
if (containingNode != null &&
(containingNode is GlobalsNode ||
containingNode is FunctionBlockNode ||
containingNode is ReportBlockNode))
{
containingNode = GetContainingNode(containingNode, index);
}
// check for record field
if (containingNode != null &&
(containingNode is DefineNode ||
containingNode is TypeDefNode))
{
containingNode = GetContainingNode(containingNode, index);
if (containingNode != null &&
(containingNode is VariableDefinitionNode ||
containingNode is TypeDefinitionNode) &&
containingNode.Children.Count == 1 &&
containingNode.Children[containingNode.Children.Keys[0]] is TypeReference)
{
var typeRef = containingNode.Children[containingNode.Children.Keys[0]] as TypeReference;
while (typeRef != null &&
typeRef.Children.Count == 1)
{
if (typeRef.Children[typeRef.Children.Keys[0]] is RecordDefinitionNode)
{
var recNode = typeRef.Children[typeRef.Children.Keys[0]] as RecordDefinitionNode;
VariableDef recField;
if (recNode.MemberDictionary.TryGetValue(exprText, out recField))
{
res = recField;
break;
}
else
{
recField = recNode.MemberDictionary.Where(x => x.Value.LocationIndex < index)
.OrderByDescending(x => x.Value.LocationIndex)
.Select(x => x.Value)
.FirstOrDefault();
if (recField != null)
{
typeRef = recField.Type;
}
else
{
break;
}
}
}
else if (typeRef.Children[typeRef.Children.Keys[0]] is TypeReference)
{
typeRef = typeRef.Children[typeRef.Children.Keys[0]] as TypeReference;
}
else
{
break;
}
}
}
}
// try an imported module
if (ast != null && ast.Body is IModuleResult &&
ast.ProjectEntry != null && ast.ProjectEntry != null)
{
if ((ast.Body as IModuleResult).FglImports.Contains(dotPiece))
{
// need to get the ast for the other project entry
var refProjKVP = (ast.ProjectEntry as IGeneroProjectEntry).ParentProject.ReferencedProjects.Values.FirstOrDefault(
x =>
{
var fn = Path.GetFileNameWithoutExtension(x.Directory);
return(fn?.Equals(dotPiece, StringComparison.OrdinalIgnoreCase) ?? false);
});
if (refProjKVP is IAnalysisResult)
{
definingProject = refProjKVP;
res = refProjKVP as IAnalysisResult;
continue;
}
IAnalysisResult sysImportMod;
// check the system imports
if (SystemImportModules.TryGetValue(dotPiece, out sysImportMod))
{
res = sysImportMod;
continue;
}
}
}
if (!lookForFunctions)
{
// try include files
var foundInclude = false;
if (ast?.ProjectEntry != null)
{
foreach (var includeFile in ast.ProjectEntry.GetIncludedFiles())
{
if (includeFile.Analysis?.Body is IModuleResult)
{
var mod = includeFile.Analysis.Body as IModuleResult;
if ((getTypes && (mod.Types.TryGetValue(dotPiece, out res) || mod.GlobalTypes.TryGetValue(dotPiece, out res))) ||
(getConstants && (mod.Constants.TryGetValue(dotPiece, out res) || mod.GlobalConstants.TryGetValue(dotPiece, out res))))
{
foundInclude = true;
break;
}
}
}
}
if (foundInclude)
{
continue;
}
if (ast?._databaseProvider != null)
{
res = ast._databaseProvider.GetTable(dotPiece);
if (res != null)
{
continue;
}
}
}
// Only do a public function search if the dotPiece is the whole text we're searching for
// I.e. no namespaces
if (lookForFunctions && dotPiece == exprText)
{
if (searchInFunctionProvider == FunctionProviderSearchMode.Search)
{
if (res == null && ast?._functionProvider != null)
{
// check for the function name in the function provider
var funcs = ast._functionProvider.GetFunction(dotPiece);
if (funcs != null)
{
res = funcs.FirstOrDefault();
if (res != null)
{
continue;
}
}
}
}
else if (searchInFunctionProvider == FunctionProviderSearchMode.Deferred)
{
isDeferredFunction = true;
}
}
if (res == null)
{
break;
}
}
}
return(res);
}