From 8a12d03745a0879a0f761c7d1ebbf9aef49105c7 Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Sat, 12 Jun 2010 20:56:46 +0000
Subject: [PATCH] Solving some LL(1) conflicts

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/vbnet@5946 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
---
 .../VBNet/Experimental/ExpressionFinder.atg   | 31 ++++++++++---------
 .../Test/VBParserExperiment.csproj            |  2 +-
 2 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/ExpressionFinder.atg b/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/ExpressionFinder.atg
index 18ed65d135..d4663fb3f4 100644
--- a/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/ExpressionFinder.atg
+++ b/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/ExpressionFinder.atg
@@ -307,6 +307,7 @@ MemberDeclaration =
 		SubOrFunctionDeclaration |
 		ExternalMemberDeclaration |
 		EventMemberDeclaration |
+		CustomEventMemberDeclaration |
 		OperatorDeclaration
 	)
 	(. PopContext(); .)
@@ -326,17 +327,20 @@ ExternalMemberDeclaration =
 .
 
 EventMemberDeclaration =
-	[ "Custom" ] "Event" Identifier ( "As" TypeName | [ "(" [ ParameterList ] ")" ] )
-	[ "Implements" TypeName "." IdentifierOrKeyword { "," TypeName "." IdentifierOrKeyword } ]
+	"Event" Identifier ( "As" TypeName | [ "(" [ ParameterList ] ")" ] )
+	[ "Implements" TypeName /*"." IdentifierOrKeyword*/ { "," TypeName /*"." IdentifierOrKeyword*/ } ]
+	/* the TypeName production already allows the "." IdentifierOrKeyword syntax, so to avoid an ambiguous grammer we just leave that out */
 	StatementTerminator
-	[
-		{
-			{ AttributeBlock } ( "AddHandler" | "RemoveHandler" | "RaiseEvent" ) "(" ParameterList ")" EOL
-			Block
-			"End" ( "AddHandler" | "RemoveHandler" | "RaiseEvent" ) StatementTerminator
-		}
+.
+
+CustomEventMemberDeclaration =
+	"Custom" EventMemberDeclaration
+	{
+		{ AttributeBlock } ( "AddHandler" | "RemoveHandler" | "RaiseEvent" ) "(" ParameterList ")" EOL
+		Block
+		"End" ( "AddHandler" | "RemoveHandler" | "RaiseEvent" ) StatementTerminator
+	}
 	"End" "Event" StatementTerminator
-	]
 .
 
 OperatorDeclaration =
@@ -346,7 +350,7 @@ OperatorDeclaration =
 .
 
 MemberVariableOrConstantDeclaration =
-	[ "Const" ] Identifier [ "As" TypeName ] [ "=" Expression ] StatementTerminator
+	[ "Const" ] IdentifierForFieldDeclaration [ "As" TypeName ] [ "=" Expression ] StatementTerminator
 .
 
 ParameterList =
@@ -360,8 +364,7 @@ Parameter =
 Block =
 	(. PushContext(Context.Body, t); .)
 	StatementTerminator
-	{ StatementTerminator }
-	{ Statement { StatementTerminator } }
+	{ [ Statement] StatementTerminator }
 	(. PopContext(); .)
 .
 
@@ -429,7 +432,7 @@ Statement =
 .
 
 VariableDeclarationStatement =
-	( "Dim" | "Static" | "Const" ) Identifier [ "?" ] [ ( "(" { "," } ")" ) ] { "," Identifier [ "?" ] [ ( "(" { "," } ")" ) ] } [ "As" [ "New" ] TypeName [ "(" ")" ] ] [ "=" Expression ]
+	( "Dim" | "Static" | "Const" ) Identifier [ "?" ] [ ( "(" { "," } ")" ) ] { "," Identifier [ "?" ] [ ( "(" { "," } ")" ) ] } [ "As" [ "New" ] TypeName ] [ "=" Expression ]
 .
 
 WithOrLockStatement =
@@ -445,7 +448,7 @@ RaiseEventStatement =
 .
 
 InvocationStatement =
-	[ "Call" ] Expression [ "(" [ ArgumentList ] ")" ] [ ( "=" | "^=" | "*=" | "/=" | "\\=" | "+=" | "-=" | "&=" | ">=" ) Expression ]
+	[ "Call" ] Expression [ ( "=" | "^=" | "*=" | "/=" | "\\=" | "+=" | "-=" | "&=" | ">=" ) Expression ]
 .
 
 ArgumentList =
diff --git a/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/Test/VBParserExperiment.csproj b/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/Test/VBParserExperiment.csproj
index 70b5a99241..f475324855 100644
--- a/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/Test/VBParserExperiment.csproj
+++ b/src/Libraries/NRefactory/Project/Src/Parser/VBNet/Experimental/Test/VBParserExperiment.csproj
@@ -31,7 +31,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="nunit.framework">
-      <HintPath>..\..\..\..\..\..\..\..\..\bin\Tools\NUnit\nunit.framework.dll</HintPath>
+      <HintPath>..\..\..\..\..\..\..\..\Tools\NUnit\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core">