- scriptified A_BruisAttack.

- removed 'self' as a dedicated token. Internally this gets handled as a normal but implicitly named variable so the token just gets in the way of proper processing.
- removed P_ prefix from SpawnMissile export.
- fixed a crash with misnamed function exports.

src/scripting/zscript/zcc-parse.lemon

@@ -977,13 +977,6 @@ primary(X) ::= IDENTIFIER(A).
 	expr->Type = NULL;
 	X = expr;
 }
-primary(X) ::= NULL(T).
-{
-	NEW_AST_NODE(Expression, expr, T);
-	expr->Operation = PEX_Null;
-	expr->Type = NULL;
-	X = expr;
-}
 primary(X) ::= SUPER(T).
 {
 	NEW_AST_NODE(Expression, expr, T);
@@ -992,13 +985,7 @@ primary(X) ::= SUPER(T).
 	X = expr;
 }
 primary(X) ::= constant(A).				{ X = A; /*X-overwrites-A*/ }
-primary(X) ::= SELF(T).
-{
-	NEW_AST_NODE(Expression, expr, T);
-	expr->Operation = PEX_Self;
-	expr->Type = NULL;
-	X = expr;
-}
+
 primary(X) ::= LPAREN expr(A) RPAREN.
 {
 	X = A; /*X-overwrites-A*/

src/scripting/zscript/zcc_compile.cpp

@@ -2001,7 +2001,10 @@ void ZCCCompiler::InitFunctions()
 					{
 						Error(f, "The function '%s' has not been exported from the executable.", FName(f->Name).GetChars());
 					}
-					(*afd->VMPointer)->ImplicitArgs = BYTE(implicitargs);
+					else
+					{
+						(*afd->VMPointer)->ImplicitArgs = BYTE(implicitargs);
+					}
 				}
 				SetImplicitArgs(&args, &argflags, &argnames, c->Type(), varflags);
 				auto p = f->Params;

src/scripting/zscript/zcc_exprlist.h

@@ -4,7 +4,6 @@ xx(Nil,				TK_None)
 xx(ID,				TK_Identifier)
 xx(Super,			TK_Super)
 xx(Null,			TK_Null)
-xx(Self,			TK_Self)
 xx(ConstValue,		TK_Const)
 xx(FuncCall,		'(')
 xx(ArrayAccess,		TK_Array)

src/scripting/zscript/zcc_parser.cpp

@@ -155,7 +155,6 @@ static void InitTokenMap()
 	TOKENDEF (TK_Optional,		ZCC_OPTIONAL);
 	TOKENDEF (TK_Super,			ZCC_SUPER);
 	TOKENDEF (TK_Null,			ZCC_NULLPTR);
-	TOKENDEF (TK_Self,			ZCC_SELF);
 	TOKENDEF ('~',				ZCC_TILDE);
 	TOKENDEF ('!',				ZCC_BANG);
 	TOKENDEF (TK_SizeOf,		ZCC_SIZEOF);

src/scripting/zscript/zcc_parser.h

@@ -44,7 +44,6 @@ enum
 };
 
 
-
 // Syntax tree structures.
 enum EZCCTreeNodeType
 {