public static DBlockNode UpdateBlockPartly(this DBlockNode bn, string code,
int caretOffset, CodeLocation caretLocation, out bool isInsideNonCodeSegment)
{
isInsideNonCodeSegment = false;
// Get the end location of the declaration that appears before the caret.
var startLoc = bn.BlockStartLocation;
int startDeclIndex;
for(startDeclIndex = bn.Children.Count-1; startDeclIndex >= 0; startDeclIndex--) {
var n = bn.Children [startDeclIndex];
if (n.EndLocation.Line > 0 && n.EndLocation.Line < caretLocation.Line) {
startLoc = --startDeclIndex == -1 ?
bn.BlockStartLocation : bn.Children [startDeclIndex].EndLocation;
break;
}
}
var startOff = startLoc.Line > 1 ? DocumentHelper.GetOffsetByRelativeLocation (code, caretLocation, caretOffset, startLoc) : 0;
// Immediately break to waste no time if there's nothing to parse
if (startOff >= caretOffset)
return null;
// Get meta block stack so they can be registered while parsing
//var metaDecls = bn.GetMetaBlockStack (startLoc, true, false);
// Parse region from start until caret for maximum efficiency
var tempBlock = bn is DEnum ? new DEnum() : new DBlockNode();
tempBlock.BlockStartLocation = startLoc;
try{
using (var sv = new StringView (code, startOff, caretOffset - startOff))
using (var p = DParser.Create(sv)) {
p.Lexer.SetInitialLocation (startLoc);
p.Step ();
if(p.laKind == DTokens.OpenCurlyBrace)
p.Step();
// Enum bodies
if(bn is DEnum)
{
do
{
if(p.laKind == DTokens.Comma)
p.Step();
var laBackup = p.la;
p.EnumValue(tempBlock as DEnum);
if(p.la == laBackup)
break;
}
while(!p.IsEOF);
}
else // Normal class/module bodies
{
if(p.laKind == DTokens.Module && bn is DModule)
tempBlock.Add(p.ModuleDeclaration());
while (!p.IsEOF) {
//
if (p.laKind == DTokens.CloseCurlyBrace) {
p.Step ();
/*if (metaDecls.Count > 0)
metaDecls.RemoveAt (metaDecls.Count - 1);*/
continue;
}
p.DeclDef (tempBlock);
}
}
// Update the actual tempBlock as well as methods/other blocks' end location that just appeared while parsing the code incrementally,
// so they are transparent to SearchBlockAt
var block = tempBlock as IBlockNode;
while(block != null &&
(block.EndLocation.Line < 1 || block.EndLocation == p.la.Location)){
block.EndLocation = new CodeLocation(p.la.Column+1,p.la.Line);
if(block.Children.Count == 0)
break;
block = block.Children[block.Count-1] as IBlockNode;
}
if(isInsideNonCodeSegment = p.Lexer.endedWhileBeingInNonCodeSequence)
return null;
tempBlock.EndLocation = new CodeLocation(p.la.Column + 1, p.la.Line);
}
}catch(Exception ex) {
Console.WriteLine (ex.Message);
}
DoubleDeclarationSilencer.RemoveDoubles(bn, tempBlock);
tempBlock.Parent = bn;
return tempBlock;
}
public static IBlockNode UpdateBlockPartly(this BlockStatement bs, string code, int caretOffset, CodeLocation caretLocation, out bool isInsideNonCodeSegment)
{
isInsideNonCodeSegment = false;
var finalParentMethod = bs.ParentNode as DMethod;
var finalStmtsList = bs._Statements;
var startLoc = bs.Location;
int startStmtIndex;
for(startStmtIndex = finalStmtsList.Count-1; startStmtIndex >= 0; startStmtIndex--) {
var n = finalStmtsList [startStmtIndex];
if (n.EndLocation.Line > 0 && n.EndLocation.Line < caretLocation.Line) {
startLoc = --startStmtIndex == -1 ?
bs.Location : finalStmtsList [startStmtIndex].EndLocation;
break;
}
}
var startOff = startLoc.Line > 1 ? DocumentHelper.GetOffsetByRelativeLocation (code, caretLocation, caretOffset, startLoc) : 0;
if (startOff >= caretOffset)
return null;
var tempParentBlock = new DMethod();//new DBlockNode();
var tempBlockStmt = new BlockStatement { ParentNode = tempParentBlock };
tempParentBlock.Body = tempBlockStmt;
tempBlockStmt.Location = startLoc;
tempParentBlock.Location = startLoc;
using (var sv = new StringView (code, startOff, caretOffset - startOff))
using (var p = DParser.Create(sv)) {
p.Lexer.SetInitialLocation (startLoc);
p.Step ();
if(p.laKind == DTokens.OpenCurlyBrace)
p.Step();
while (!p.IsEOF) {
if (p.laKind == DTokens.CloseCurlyBrace) {
p.Step ();
/*if (metaDecls.Count > 0)
metaDecls.RemoveAt (metaDecls.Count - 1);*/
continue;
}
var stmt = p.Statement (true, false, tempParentBlock, tempBlockStmt);
if (stmt != null)
tempBlockStmt.Add(stmt);
else
p.Step();
}
tempBlockStmt.EndLocation = new CodeLocation(p.la.Column+1,p.la.Line);
tempParentBlock.EndLocation = tempBlockStmt.EndLocation;
if(isInsideNonCodeSegment = p.Lexer.endedWhileBeingInNonCodeSequence)
return null;
}
DoubleDeclarationSilencer.RemoveDoubles(finalParentMethod, tempParentBlock);
tempParentBlock.Parent = finalParentMethod;
//tempParentBlock.Add(new PseudoStaticStmt { Block = tempBlockStmt, ParentNode = tempParentBlock, Location = tempBlockStmt.Location, EndLocation = tempBlockStmt.EndLocation });
return tempParentBlock;
}
public static void UpdateBlockPartly(this BlockStatement bs, string code, int caretOffset, CodeLocation caretLocation, out bool isInsideNonCodeSegment)
{
isInsideNonCodeSegment = false;
var finalParentMethod = bs.ParentNode as DMethod;
var finalStmtsList = bs._Statements;
var startLoc = bs.Location;
int startStmtIndex;
for(startStmtIndex = finalStmtsList.Count-1; startStmtIndex >= 0; startStmtIndex--) {
var n = finalStmtsList [startStmtIndex];
if (n.EndLocation.Line > 0 && n.EndLocation.Line < caretLocation.Line) {
startLoc = --startStmtIndex == -1 ?
bs.Location : finalStmtsList [startStmtIndex].EndLocation;
break;
}
}
var startOff = startLoc.Line > 1 ? DocumentHelper.GetOffsetByRelativeLocation (code, caretLocation, caretOffset, startLoc) : 0;
if (startOff >= caretOffset)
return;
var tempParentBlock = new DMethod ();
var tempBlockStmt = new BlockStatement { ParentNode = tempParentBlock };
try{
using (var sv = new StringView (code, startOff, caretOffset - startOff))
using (var p = DParser.Create(sv)) {
p.Lexer.SetInitialLocation (startLoc);
p.Step ();
if(p.laKind == DTokens.OpenCurlyBrace)
p.Step();
while (!p.IsEOF) {
if (p.laKind == DTokens.CloseCurlyBrace) {
p.Step ();
/*if (metaDecls.Count > 0)
metaDecls.RemoveAt (metaDecls.Count - 1);*/
continue;
}
var stmt = p.Statement (true, true, tempParentBlock, tempBlockStmt);
if(stmt != null)
tempBlockStmt.Add(stmt);
}
tempBlockStmt.EndLocation = new CodeLocation(p.la.Column+1,p.la.Line);
if(isInsideNonCodeSegment = p.Lexer.endedWhileBeingInNonCodeSequence)
return;
}
}catch(Exception ex) {
Console.WriteLine (ex.Message);
}
// Remove old statements from startLoc until caretLocation
int i = startStmtIndex + 1;
while (i < finalStmtsList.Count && finalStmtsList [i].Location < caretLocation)
finalStmtsList.RemoveAt (i);
// Insert new statements
if (tempBlockStmt.EndLocation > bs.EndLocation)
bs.EndLocation = tempBlockStmt.EndLocation;
foreach (var stmt in tempBlockStmt._Statements)
{
stmt.ParentNode = finalParentMethod;
stmt.Parent = bs;
}
AssignInStatementDeclarationsToNewParentNode(tempBlockStmt, finalParentMethod);
finalStmtsList.InsertRange(startStmtIndex+1, tempBlockStmt._Statements);
if (finalParentMethod != null) {
var finalParentChildren = finalParentMethod.AdditionalChildren;
// Remove old parent block children
int startDeclIndex;
for(startDeclIndex = finalParentChildren.Count-1; startDeclIndex >= 0; startDeclIndex--) {
var n = finalParentChildren [startDeclIndex];
if (n == null) {
finalParentChildren.RemoveAt (startDeclIndex);
continue;
}
if (n.Location < startLoc)
break;
if (n.Location < caretLocation)
finalParentChildren.RemoveAt(startDeclIndex);
}
// Insert new special declarations
foreach (var decl in tempParentBlock)
decl.Parent = finalParentMethod;
finalParentChildren.InsertRange(startDeclIndex+1, tempParentBlock);
finalParentMethod.UpdateChildrenArray ();
if (bs.EndLocation > finalParentMethod.EndLocation)
finalParentMethod.EndLocation = bs.EndLocation;
}
//TODO: Handle DBlockNode parents?
}
