public bool Before(CodePoint cp)
{
if (cp.SourceLocation != SourceLocation)
return false;
return (cp.LineNo < LineNo || (cp.LineNo == LineNo && (cp.CharNo < CharNo)));
}
public bool InsideRange(CodePoint cp)
{
// Reject the obvious cases first (codes in different files)...
if (cp.SourceLocation != StartInclusive.SourceLocation)
{
return(false);
}
if (cp.SourceLocation != EndExclusive.SourceLocation)
{
return(false);
}
if (StartInclusive.LineNo <= cp.LineNo && EndExclusive.LineNo >= cp.LineNo)
{
if (StartInclusive.LineNo == cp.LineNo && StartInclusive.CharNo > cp.CharNo)
{
return(false);
}
else if (EndExclusive.LineNo == cp.LineNo && EndExclusive.CharNo < cp.CharNo)
{
return(false);
}
return(true);
}
return(false);
}
public bool SetBreakpointAt(ProtoCore.CodeModel.CodePoint breakpoint)
{
if (null == vmWorker)
{
return(false);
}
return(vmWorker.SetBreakpointAt(breakpoint));
}
public bool Before(CodePoint cp)
{
if (cp.SourceLocation != SourceLocation)
{
return(false);
}
return(cp.LineNo < LineNo || (cp.LineNo == LineNo && (cp.CharNo < CharNo)));
}
/// <summary>
/// API method for autocompletion
/// </summary>
/// <param name="line"></param>
/// <param name="col"></param>
/// <param name="src">source code</param>
/// <param name="identlist">a.b.c.e.f</param>
/// <param name="file">can be null the the file has not been saved</param>
/// <returns>a list of class members</returns>
public static List <KeyValuePair <MemberType, string> > GetList(int line, int col, string src, string identlist, string file)
{
List <KeyValuePair <MemberType, string> > members = new List <KeyValuePair <MemberType, string> >();
// This whole method will be made obsolete.
if (null != CoreCodeGen.AutoCompleteEngine)
{
return(members);
}
// We need to compile the input source code first.
AutoCompletionHelper.Reset();
if (AutoCompletionHelper.Compile(src, file) == false)
{
return(members);
}
ProtoCore.CodeModel.CodePoint cp = new ProtoCore.CodeModel.CodePoint()
{
LineNo = line,
CharNo = col,
SourceLocation = new ProtoCore.CodeModel.CodeFile()
{
FilePath = file
}
};
// figure out the function index, class index and block id of the typing site
// based on the code range table
ScopeInfo si = GetScopeInfo(cp);
// split the identifier list
// a.b.c -> { "a", "b", "c" }
char[] seperator = { '.' };
string[] idents = identlist.Split(seperator, StringSplitOptions.RemoveEmptyEntries);
if (idents.Length <= 0)
{
return(members);
}
bool isStatic = false;
// a.b.c.e -> traverse and get the type of 'e',
// isStatic will be true only when the identifier list is "A" and "A" is a class name
int finalType = TraverseIdentList(idents, idents.Length, si, cp, out isStatic);
if (finalType == ProtoCore.DSASM.Constants.kInvalidIndex)
{
return(members);
}
// find out all the class members based on finalType
// Distinct method is used to filter away overloaded methods
return(GetClassMembers(finalType, si, false, isStatic, isStatic).Distinct(new DuplicateMethodNameRemover()).ToList());
}
public bool InsideRange(CodePoint cp)
{
// Reject the obvious cases first (codes in different files)...
if (cp.SourceLocation != StartInclusive.SourceLocation)
return false;
if (cp.SourceLocation != EndExclusive.SourceLocation)
return false;
if (StartInclusive.LineNo <= cp.LineNo && EndExclusive.LineNo >= cp.LineNo)
{
if (StartInclusive.LineNo == cp.LineNo && StartInclusive.CharNo > cp.CharNo)
return false;
else if (EndExclusive.LineNo == cp.LineNo && EndExclusive.CharNo < cp.CharNo)
return false;
return true;
}
return false;
}
internal bool SetBreakpointAt(ProtoCore.CodeModel.CodePoint breakpoint)
{
if ((null != internalWorker) && internalWorker.IsBusy)
{
return(false);
}
// The script is executed without a debugger attached,
// therefore this call does not make sense right now.
if (null != scriptRunner)
{
return(false);
}
if (null == debugRunner)
{
return(false); // Not debugging, cannot set a breakpoint.
}
CodePoint location = breakpoint;
location.CharNo = location.CharNo + 1;
location.LineNo = location.LineNo + 1;
return(debugRunner.ToggleBreakpoint(location));
}
internal List<CompletionItem> GetCompletionList(CodePoint location, string idents)
{
ScopeInfo scopeIdentifier = new ScopeInfo();
if (!GetScopeIdentifier(location, ref scopeIdentifier))
return null; // Unknown scope.
bool isStatic = false;
int identifierType = GetIdentifierType(scopeIdentifier, location, idents, true, ref isStatic);
if (ProtoCore.DSASM.Constants.kInvalidIndex == identifierType)
return null; // No identifier of given name found in scope.
return (GetClassMembers(identifierType, isStatic, scopeIdentifier));
}
public List<CompletionItem> GetCompletionList(CodePoint location, string idents)
{
lock (promotionSyncRoot) // Block until progressing promotion is done.
{
if (null != productionDatabase)
return productionDatabase.GetCompletionList(location, idents);
return null;
}
}
/// <summary>
/// Figure out the ClassScope, FunctionIndex, BlockId of a given position represented by the three parameters
/// </summary>
/// <param name="line"></param>
/// <param name="col"></param>
/// <param name="src">ds file name</param>
/// <returns></returns>
private static ScopeInfo GetScopeInfo(ProtoCore.CodeModel.CodePoint cp)
{
// initialize scope info to invalid values, -1
ScopeInfo si = new ScopeInfo()
{
BlockId = ProtoCore.DSASM.Constants.kInvalidIndex,
FunctionIndex = ProtoCore.DSASM.Constants.kInvalidIndex,
ClassScope = ProtoCore.DSASM.Constants.kInvalidIndex,
};
// search if it is inside any class scope
foreach (KeyValuePair <int, ProtoCore.CodeModel.CodeRange> cr in codeRangeTable.ClassBlock.RangeTable)
{
if (cr.Value.InsideRange(cp))
{ // yes, inside a class scope
si.ClassScope = cr.Key;
// check if it is inside a function
foreach (KeyValuePair <int, ProtoCore.CodeModel.CodeRange> cr2 in codeRangeTable.ClassBlock.FunctionTable[si.ClassScope].RangeTable)
{
if (cr2.Value.InsideRange(cp))
{
// yes, it is inside a function
si.FunctionIndex = cr2.Key;
break;
}
}
break;
}
}
// search what is the block id
//
// usually when the class scope is not -1, the block id should be always 0 since class is only allowed at global scope
// However, language block is allowed in an expression, so it is possible that the current scope is inside a language block which is inside
// a member function of a class
// eg: class A { def foo : int() { return = [Imperative] { return = 10; } } }
// it is still necessary to figure out what is the actual block ID
IEnumerable <KeyValuePair <int, ProtoCore.CodeModel.CodeRange> > blocks = codeRangeTable.CodeBlock.RangeTable.Where(x => x.Value.InsideRange(cp));
// minCr holds the inner most block range which contais the target position
ProtoCore.CodeModel.CodeRange minCr = new ProtoCore.CodeModel.CodeRange();
if (blocks.Count() > 0)
{
minCr = blocks.ElementAt(0).Value;
}
foreach (KeyValuePair <int, ProtoCore.CodeModel.CodeRange> block in blocks)
{
if (minCr.InsideRange(block.Value))
{
// more inner scope found, update minCr and si.BlockId
minCr = block.Value;
si.BlockId = block.Key;
}
}
// not inside any class scope, need to figure out which function it is in
// Note: it is illegal to have a function inside a language block if the language block is inside a function
// eg: def foo : int() { return = [Imperative] { def foo2 : int() { return = 20 }; return = foo2(); }; }
// so there is no need to search the fucntion index if it is inside a class
if (si.ClassScope == ProtoCore.DSASM.Constants.kInvalidIndex)
{
Dictionary <int, FunctionRangeTable> functionTable = codeRangeTable.CodeBlock.FunctionTable;
if (null != functionTable && (si.BlockId >= 0) && (si.BlockId < functionTable.Count))
{
// search its function index
foreach (KeyValuePair <int, ProtoCore.CodeModel.CodeRange> cr in codeRangeTable.CodeBlock.FunctionTable[si.BlockId].RangeTable)
{
if (cr.Value.InsideRange(cp))
{
si.FunctionIndex = cr.Key;
break;
}
}
}
}
return(si);
}
internal List<MethodSignature> GetMethodSignatures(CodePoint location, string idents)
{
ScopeInfo scopeIdentifier = new ScopeInfo();
if (!GetScopeIdentifier(location, ref scopeIdentifier))
return null; // Unknown scope.
// This identifier list traversal is slightly different from the one for
// 'GetCompletionList'. For example, "a.b.c.d.e.foo" where the "foo"
// identifier is expected to be a method name, so the logic needs only to
// traverse up to "e" to resolve its type, disregarding "foo".
//
bool isStatic = false;
int identifierType = GetIdentifierType(scopeIdentifier, location, idents, false, ref isStatic);
// If the "search site" is not within any class body/method.
if (ProtoCore.DSASM.Constants.kInvalidIndex == scopeIdentifier.ClassScope)
{
// If the "search target" is in global scope...
if (ProtoCore.DSASM.Constants.kInvalidIndex == identifierType)
{
// Only get those global methods that belong to the same
// block as the search site (methods residing in another
// block cannot be accessed within the current block).
//
// GetMethodSignatures(scopeIdentifier)
}
// If the "search target" is in a class...
else
{
// While looking up methods of a class in a global scope,
// it can at most access methods that are made public.
//
// GetClassMethods(identifierType, false, AccessSpecifier.kPublic, results);
}
}
// If the "search site" is within a class body/method.
else
{
// If user only types "foo" (instead of "a.b.foo") within a class
// body/method, then look for "foo" within the current class, or
// in any base classes if it can be accessed from the search site.
//
if (ProtoCore.DSASM.Constants.kInvalidIndex == identifierType)
{
}
// If user types "a.b.foo", then at most public methods can be
// accessed. But if user types "this.foo", then a traversal is
// required up the class hierarchy to obtain methods with name "foo".
else
{
}
}
return null;
}
/// <summary>
/// This method traverses an identifier list, like a.b.c.d and returns the type of "d"
/// it also has an out parameter isStatic, this indicates if the type is Static,
/// for example: if you are searching for A, A is a class name, then the isStatic will be true
/// otherwize it will be false
/// </summary>
/// <param name="idents">ident list, if you are searching the type of a.b.c, you should pass it { a, b, c }</param>
/// <param name="si">the scope of the ident list</param>
/// <param name="cp">the location of the ident list</param>
/// <param name="isStatic"></param>
/// <returns></returns>
private static int TraverseIdentList(string[] idents, int depth, ScopeInfo si, ProtoCore.CodeModel.CodePoint cp, out bool isStatic)
{
isStatic = false;
if (idents.Length == 0 || depth > idents.Length)
{
return(ProtoCore.DSASM.Constants.kInvalidIndex);
}
string firstIdentifier = idents[0];
int finalType = GetArrayElementType(si, firstIdentifier);
if (finalType == ProtoCore.DSASM.Constants.kInvalidIndex)
{
if (firstIdentifier.IndexOfAny(new char[] { '[', ']' }) != -1)
{
string[] tokens = TokenizeArrayIndexers(firstIdentifier);
firstIdentifier = tokens[0];
}
// this will get the type of the first identifier in the identifier list (a in a.b.c.d)
// it is special because it is plain variables, ( a is plain variable)
// and all the followings are class member variabls ( b, c, and d are all class member variables)
finalType = GetIdentType(si, firstIdentifier, cp);
}
if (finalType == ProtoCore.DSASM.Constants.kInvalidIndex)
{
// cannot find a variable named "a"
// check if there is a class named "a:,
// if there is return its class index as final type
// and set isStatic to true
// we are only interested in its static members and constructors now
finalType = compileState.ClassTable.IndexOf(idents[0]);
isStatic = true;
}
if (finalType == ProtoCore.DSASM.Constants.kInvalidIndex)
{
return(ProtoCore.DSASM.Constants.kInvalidIndex);
}
// iterate through all the remaining identifiers, (b c and d)
for (int ix = 1; ix < depth; ++ix)
{
ProtoCore.DSASM.SymbolNode sn = GetMemberVariable(finalType, idents[ix], si, isStatic);
if (sn == null || sn.datatype.UID == ProtoCore.DSASM.Constants.kInvalidIndex)
{
return(ProtoCore.DSASM.Constants.kInvalidIndex);
}
finalType = GetSymbolType(sn);
isStatic = false;
}
return(finalType);
}
/// <summary>
/// get the type of an identifier based on its location and name
/// </summary>
/// <param name="si">where is the ident</param>
/// <param name="ident">name of the ident</param>
/// <param name="cp">
/// where is the ident, not the same usage as parameter "si",
/// this is used to see if the ident location is before its definition or after its definition
/// </param>
/// <returns></returns>
private static int GetIdentType(ScopeInfo si, string ident, ProtoCore.CodeModel.CodePoint cp)
{
if (si.ClassScope == ProtoCore.DSASM.Constants.kInvalidIndex)
{
// Not inside any class
ProtoCore.DSASM.CodeBlock cb = null;
List <ProtoCore.DSASM.CodeBlock> codeBlocks = compileState.CodeBlockList;
if (null != codeBlocks && (si.BlockId >= 0) && (si.BlockId < codeBlocks.Count))
{
cb = codeBlocks[si.BlockId];
}
// loop used to search its parent block
while (cb != null)
{
// search by matching ident name and function index
IEnumerable <ProtoCore.DSASM.SymbolNode> sns = cb.symbolTable.symbolList.Values.Where(x =>
x.name == ident &&
x.functionIndex == si.FunctionIndex &&
x.classScope == ProtoCore.DSASM.Constants.kInvalidIndex);
if (sns.Count() > 0) // found something
{
ProtoCore.DSASM.SymbolNode symbolNode = sns.ElementAt(0);
// if it is argument, it is visible every where inside the fucntion
if (symbolNode.isArgument == true)
{
return(GetSymbolType(symbolNode));
}
// check if the variable definition location is before our searching site
if (cp.Before(identLocationTable.Table[symbolNode]))
{
return(GetSymbolType(symbolNode));
}
// if not argument, check if it is defined some where in the imported files, if yes, it is visible
CodeFile file = identLocationTable.Table[symbolNode].SourceLocation;
if (importTable.IsImported(cp.SourceLocation.FilePath, file.FilePath))
{
return(GetSymbolType(symbolNode));
}
}
if (si.FunctionIndex != ProtoCore.DSASM.Constants.kInvalidIndex)
{
// no name look up inside a fucntion
// TODO: This may need to change, since we are now allowing to access global variables inside a fucntion
break;
}
// update cb to its parent block
cb = cb.parent;
}
}
else
{
// we are inside a function
// check if it is this keyword
if (ident == "this")
{
// the type is the class itself
return(si.ClassScope);
}
// inside a class scope
ProtoCore.DSASM.CodeBlock cb = compileState.CodeBlockList[si.BlockId];
ProtoCore.DSASM.SymbolNode sn = null;
while (cb.parent != null)
{
// if it is inside a language block which is inside a function
IEnumerable <ProtoCore.DSASM.SymbolNode> sns = cb.symbolTable.symbolList.Values.Where(x => x.name == ident);
if (sns.Count() > 0 &&
(sns.ElementAt(0).isArgument == true ||
importTable.IsImported(cp.SourceLocation.FilePath, identLocationTable.Table[sns.ElementAt(0)].SourceLocation.FilePath) ||
cp.Before(identLocationTable.Table[sns.ElementAt(0)])))
{
sn = sns.ElementAt(0);
break;
}
cb = cb.parent;
}
if (sn == null)
{
// search local variables in the funtion
IEnumerable <ProtoCore.DSASM.SymbolNode> sns = compileState.ClassTable.ClassNodes[si.ClassScope].symbols.symbolList.Values.Where(x => x.name == ident && x.functionIndex == si.FunctionIndex);
if (sns.Count() > 0)
{
sn = sns.ElementAt(0);
}
else
{
// the final search, search the class member variables
sn = GetMemberVariable(si.ClassScope, ident, si, false);
//sn = GetClassMemberVariable(si.ClassScope, ident);
}
}
if (sn != null)
{
return(sn.datatype.UID);
}
}
return(ProtoCore.DSASM.Constants.kInvalidIndex);
}
/// <summary>
/// This method gathers the list of method signatures (overloaded) given a method name.
/// </summary>
public static List <MethodSignature> GetMethodParameterList(int line, int col, string identList, string file)
{
// This whole method will be made obsolete.
if (null != CoreCodeGen.AutoCompleteEngine)
{
return(new List <MethodSignature>());
}
// We need to compile the input source code first.
System.Diagnostics.Debug.Assert(null != AutoCompletionHelper.compileState);
if (string.IsNullOrEmpty(identList) || (null == AutoCompletionHelper.compileState))
{
return(new List <MethodSignature>());
}
if (null == CoreCodeGen.CodeRangeTable)
{
return(new List <MethodSignature>());
}
ProtoCore.CodeModel.CodePoint cp = new ProtoCore.CodeModel.CodePoint()
{
LineNo = line,
CharNo = col,
SourceLocation = new ProtoCore.CodeModel.CodeFile()
{
FilePath = file
}
};
// figure out the function index, class index and block id of the typing site
// based on the code range table
ScopeInfo si = GetScopeInfo(cp);
// split the identifier list
// a.b.c -> { "a", "b", "c" }
char[] seperator = { '.' };
string[] idents = identList.Split(seperator, StringSplitOptions.RemoveEmptyEntries);
if (idents.Length <= 0)
{
return(new List <MethodSignature>());
}
int finalType = ProtoCore.DSASM.Constants.kInvalidIndex;
bool isStatic = false;
// this is slightly different from autocompletion
// a.b.c.e.f.foo, foo is a class name, so we should traverse only up to f, not foo, to get the type of "f"
if (idents.Length >= 2)
{
finalType = TraverseIdentList(idents, idents.Length - 1, si, cp, out isStatic);
if (finalType == ProtoCore.DSASM.Constants.kInvalidIndex)
{
return(new List <MethodSignature>());
}
}
List <KeyValuePair <int, ProtoCore.DSASM.ProcedureNode> > methodList = new List <KeyValuePair <int, ProtoCore.DSASM.ProcedureNode> >();
if (finalType == ProtoCore.DSASM.Constants.kInvalidIndex && si.ClassScope == ProtoCore.DSASM.Constants.kInvalidIndex)
{
// the IDE has passed us something like "foo" and we are not inside any classes
// only global function should be searched
methodList = GetGlobalMethod(si, idents[0]);
}
else if (finalType == ProtoCore.DSASM.Constants.kInvalidIndex && si.ClassScope != ProtoCore.DSASM.Constants.kInvalidIndex)
{
// the IDE has passed us something like "foo" and we are inside class with index of finalType
// search the member function of finalType with a name foo
methodList = GetMemberFunctions(si.ClassScope, idents[idents.Length - 1], si, isStatic);
}
else if (isStatic)
{
// the IDE has passed us something like "A.foo", "A" is a class name
// search the static functions and constructors of finalType with a name "foo"
methodList = GetStatisMemberFunctionAndConstructor(finalType, idents[idents.Length - 1], si);
}
else
{
// the IDE has passed us something like "a.b.c.f.foo",
// search the normal member functions of type finalType with a name "foo", Note: finalType is the type of "f"
methodList = GetMemberFunctions(finalType, idents[idents.Length - 1], si, isStatic);
}
// Note, the .NET Distinct method will keep the earlier element and delete the later one,
// this ensures that if both the derived class and the base class have exactly the same function signature,
// the base class one will be removed and the derived one will be kept, which is expected
return(methodList.Distinct(new DeplicateMethodSignatureRemover()).Select(x => new MethodSignature(x.Value, x.Key == ProtoCore.DSASM.Constants.kInvalidIndex ? null : compileState.ClassTable.ClassNodes[x.Key].name)).ToList());
}
private int GetIdentifierType(ScopeInfo scopeIdentifier, CodePoint location,
string identifier, bool includeLastIdent, ref bool isStatic)
{
isStatic = false;
if (string.IsNullOrEmpty(identifier))
return ProtoCore.DSASM.Constants.kInvalidIndex;
// Split the identifier list (e.g. "a.b.c" -> { "a", "b", "c" })
char[] seperator = { '.' };
string[] idents = identifier.Split(seperator, StringSplitOptions.RemoveEmptyEntries);
if (null == idents || (idents.Length <= 0))
return ProtoCore.DSASM.Constants.kInvalidIndex;
// The caller may choose to drop the last identifier in the list, if
// it represents a method name. For example, "a.b.foo", the search
// only goes up to determine the type of "b" while disregarding "foo".
if (false == includeLastIdent)
{
List<string> intermediate = idents.ToList();
intermediate.RemoveAt(intermediate.Count - 1);
if (intermediate.Count <= 0)
return ProtoCore.DSASM.Constants.kInvalidIndex;
idents = idents.ToArray();
}
// First we need to find out the type of the "root
// variable". For example, "a" in the case of "a.b.c".
//
string rootIdentifier = idents[0];
int rootType = ProtoCore.DSASM.Constants.kInvalidIndex;
if (ProtoCore.DSASM.Constants.kInvalidIndex != scopeIdentifier.ClassScope)
{
// If this symbol is in a language block within a class definition...
if (scopeIdentifier.BlockId != 0)
rootType = GetBlockMemberType(scopeIdentifier, rootIdentifier);
// This identifier is found within a class definition region.
if (ProtoCore.DSASM.Constants.kInvalidIndex == rootType)
rootType = GetClassMemberType(scopeIdentifier, rootIdentifier, isStatic);
}
else
{
// For identifiers found outside of the class definition region...
rootType = GetBlockMemberType(scopeIdentifier, rootIdentifier);
}
// It seems like the identifier does not correspond to a valid variable
// name given the scope it resides in. Check to see if it represents the
// name of an existing class.
if (ProtoCore.DSASM.Constants.kInvalidIndex == rootType)
{
bool isImported = false;
rootType = GetClassScopeFromName(rootIdentifier, ref isImported);
if (ProtoCore.DSASM.Constants.kInvalidIndex == rootType)
return ProtoCore.DSASM.Constants.kInvalidIndex;
// We have found a class with name matching "rootIdentifier",
// which means the subsequent identifier(s) is a static member.
isStatic = true;
}
int finalType = ProtoCore.DSASM.Constants.kInvalidIndex;
for (int index = 1; index < idents.Length; ++index)
{
string ident = idents[index];
finalType = GetClassMemberType(scopeIdentifier, ident, isStatic);
if (ProtoCore.DSASM.Constants.kInvalidIndex == finalType)
return ProtoCore.DSASM.Constants.kInvalidIndex;
isStatic = false; // Can't be static after the root level.
}
return finalType;
}
public List<MethodSignature> GetMethodSignatures(CodePoint location, string idents)
{
lock (promotionSyncRoot)
{
if (null != productionDatabase)
return productionDatabase.GetMethodSignatures(location, idents);
return null;
}
}
protected bool FallsWithinActiveScript(CodePoint codePoint)
{
if (null == codePoint.SourceLocation || (null == currentScript))
return false;
if (string.IsNullOrEmpty(codePoint.SourceLocation.FilePath))
throw new InvalidOperationException("'SourceLocation' not specified!");
IParsedScript parsedScript = currentScript.GetParsedScript();
if (null == parsedScript)
return false;
string sourcePath = codePoint.SourceLocation.FilePath;
string activePath = parsedScript.GetScriptPath();
return (string.Compare(sourcePath, activePath, true) == 0);
}
private bool GetScopeIdentifier(CodePoint location, ref ScopeInfo scopeIdentifier)
{
string[] conditions =
{
"StartLine <= " + location.LineNo.ToString(),
"EndLine >= " + location.LineNo.ToString()
};
Dictionary<ScopeInfo, CodeRange> scopeIdentifiers = null;
try
{
string statement = SelectFromStatement(TableNames.ScopeRanges, conditions);
SQLiteCommand command = new SQLiteCommand(statement, connection);
SQLiteDataReader reader = command.ExecuteReader();
if (null == reader || (false == reader.HasRows))
return false; // No record was found matching.
while (reader.Read())
{
int startLine = reader.GetInt32(1);
int startColumn = reader.GetInt32(2);
int endLine = reader.GetInt32(3);
int endColumn = reader.GetInt32(4);
bool withinRange = true;
if (location.LineNo == startLine && (location.CharNo < startColumn))
withinRange = false;
else if (location.LineNo == endLine && (location.CharNo >= endColumn))
withinRange = false;
if (false == withinRange)
continue;
if (null == scopeIdentifiers)
scopeIdentifiers = new Dictionary<ScopeInfo, CodeRange>();
string path = GetScriptPath(reader.GetInt32(0));
ScopeInfo scope = new ScopeInfo()
{
BlockId = reader.GetInt32(5),
ClassScope = reader.GetInt32(6),
FunctionIndex = reader.GetInt32(7)
};
CodeRange range = MakeCodeRange(startLine, startColumn, endLine, endColumn, path);
scopeIdentifiers.Add(scope, range);
}
}
catch (Exception exception)
{
HandleException(exception);
return false;
}
if (null == scopeIdentifiers || (scopeIdentifiers.Count <= 0))
return false;
// Attempt to find the inner-most scope by seeing
// if one scope completely contains another scope.
//
bool foundInnerMostScope = false;
CodeRange innerMostScope = new CodeRange();
foreach (var identifier in scopeIdentifiers)
{
if (false == foundInnerMostScope)
{
innerMostScope = identifier.Value;
scopeIdentifier = identifier.Key;
foundInnerMostScope = true;
continue;
}
if (innerMostScope.InsideRange(identifier.Value))
{
innerMostScope = identifier.Value;
scopeIdentifier = identifier.Key;
}
}
return foundInnerMostScope;
}