Added destructors, constructors, and invariants to ctags output

ctags.d

@@ -90,6 +90,26 @@ class CTagsPrinter : ASTVisitor
 		context = c;
 	}
 
+	override void visit(const Constructor dec)
+	{
+		tagLines ~= "this\t%s\t%d;\"\tf\tarity:%d%s\n".format(fileName,
+			dec.line, dec.parameters.parameters.length, context);
+		auto c = context;
+		context = "\tfunction: this";
+		dec.accept(this);
+		context = c;
+	}
+
+	override void visit(const Destructor dec)
+	{
+		tagLines ~= "~this\t%s\t%d;\"\tf%s\n".format(fileName, dec.line,
+			context);
+		auto c = context;
+		context = "\tfunction: this";
+		dec.accept(this);
+		context = c;
+	}
+
 	override void visit(const EnumDeclaration dec)
 	{
 		if (dec.name == tok!"")
@@ -136,6 +156,11 @@ class CTagsPrinter : ASTVisitor
 		dec.accept(this);
 	}
 
+	override void visit(const Invariant dec)
+	{
+		tagLines ~= "invariant\t%s\t%d;\"\tv%s\n".format(fileName, dec.line, context);
+	}
+
 	alias visit = ASTVisitor.visit;
 
 	string fileName;

std/d/ast.d

@@ -1239,7 +1239,9 @@ public:
     }
     /** */ MemberFunctionAttribute[] memberFunctionAttributes;
     /** */ FunctionBody functionBody;
-    /** */ size_t location;
+    /** */ size_t line;
+    /** */ size_t column;
+    /** */ size_t index;
     /** */ string comment;
     mixin OpEquals;
 }
@@ -1780,6 +1782,8 @@ public:
     }
     /** */ BlockStatement blockStatement;
     /** */ string comment;
+    size_t line;
+    size_t index;
     mixin OpEquals;
 }
 
@@ -1873,12 +1877,12 @@ final class LinkageAttribute : ASTNode
 public:
     override void accept(ASTVisitor visitor) const
     {
-		version (DIP61) mixin (visitIfNotNull!(identifier, identifierChain));
+        version (DIP61) mixin (visitIfNotNull!(identifier, identifierChain));
         else mixin (visitIfNotNull!(identifier));
     }
     /** */ Token identifier;
     /** */ bool hasPlusPlus;
-	version (DIP61) /** */ IdentifierChain identifierChain;
+    version (DIP61) /** */ IdentifierChain identifierChain;
     mixin OpEquals;
 }
 

std/d/parser.d

@@ -113,7 +113,7 @@ class Parser
                 node.linkageAttribute = parseLinkageAttribute();
             }
             warn("Prefer the new \"'alias' identifier '=' type ';'\" syntax"
-				~ " to the  old \"'alias' type identifier ';'\" syntax");
+                ~ " to the  old \"'alias' type identifier ';'\" syntax");
             if ((node.type = parseType()) is null) return null;
             auto ident = expect(tok!"identifier");
             if (ident is null)
@@ -1976,20 +1976,23 @@ class ClassFour(A, B) if (someTest()) : Super {}}c;
         node.comment = comment;
         comment = null;
         if (expect(tok!"~") is null) return null;
+        node.index = current.index;
+        node.line = current.line;
+        node.column = current.column;
         if (expect(tok!"this") is null) return null;
         if (expect(tok!"(") is null) return null;
         if (expect(tok!")") is null) return null;
         if (currentIs(tok!";"))
             advance();
         else
-		{
-			MemberFunctionAttribute[] memberFunctionAttributes;
-			while(moreTokens() && currentIsMemberFunctionAttribute())
-				memberFunctionAttributes ~= parseMemberFunctionAttribute();
-			node.memberFunctionAttributes = ownArray(memberFunctionAttributes);
+        {
+            MemberFunctionAttribute[] memberFunctionAttributes;
+            while(moreTokens() && currentIsMemberFunctionAttribute())
+                memberFunctionAttributes ~= parseMemberFunctionAttribute();
+            node.memberFunctionAttributes = ownArray(memberFunctionAttributes);
 
-			node.functionBody = parseFunctionBody();
-		}
+            node.functionBody = parseFunctionBody();
+        }
         return node;
     }
 
@@ -3185,6 +3188,8 @@ interface "Four"
     Invariant parseInvariant()
     {
         auto node = allocate!Invariant;
+        node.index = current.index;
+        node.line = current.line;
         if (expect(tok!"invariant") is null) return null;
         if (currentIs(tok!"("))
         {
@@ -3414,11 +3419,11 @@ invariant() foo();
         {
             advance();
             node.hasPlusPlus = true;
-			version(DIP61) if (currentIs(tok!","))
-			{
-				advance();
-				node.identifierChain = parseIdentifierChain();
-			}
+            version(DIP61) if (currentIs(tok!","))
+            {
+                advance();
+                node.identifierChain = parseIdentifierChain();
+            }
         }
         expect(tok!")");
         return node;
@@ -4545,18 +4550,18 @@ q{(int a, ...)
         if (!currentIs(tok!"]"))
         {
             node.lower = parseAssignExpression();
-			if (node.lower is null)
-			{
-				error("assignExpression expected");
-				return null;
-			}
+            if (node.lower is null)
+            {
+                error("assignExpression expected");
+                return null;
+            }
             expect(tok!"..");
             node.upper = parseAssignExpression();
-			if (node.upper is null)
-			{
-				error("assignExpression expected");
-				return null;
-			}
+            if (node.upper is null)
+            {
+                error("assignExpression expected");
+                return null;
+            }
         }
         if (expect(tok!"]") is null) return null;
         return node;
@@ -4810,13 +4815,13 @@ q{(int a, ...)
         mixin(traceEnterAndExit!(__FUNCTION__));
         auto node = allocate!StructInitializer;
         expect(tok!"{");
-		if (currentIs(tok!"}"))
-			advance();
-		else
-		{
-			node.structMemberInitializers = parseStructMemberInitializers();
-			expect(tok!"}");
-		}
+        if (currentIs(tok!"}"))
+            advance();
+        else
+        {
+            node.structMemberInitializers = parseStructMemberInitializers();
+            expect(tok!"}");
+        }
         return node;
     }
 
@@ -6349,7 +6354,7 @@ protected:
         case tok!"abstract":
         case tok!"pure":
         case tok!"nothrow":
-			return true;
+            return true;
         mixin(BASIC_TYPE_CASES);
             return !peekIs(tok!".");
         case tok!"case":