vbscript: Added '\' expression parser/compiler implementation.

dlls/vbscript/compile.c

@@ -359,6 +359,8 @@ static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
         return push_instr(ctx, OP_empty) != -1 ? S_OK : E_OUTOFMEMORY;
     case EXPR_EQUAL:
         return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal);
+    case EXPR_IDIV:
+        return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_idiv);
     case EXPR_MEMBER:
         return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
     case EXPR_MOD:

dlls/vbscript/interp.c

@@ -666,6 +666,12 @@ static HRESULT interp_mod(exec_ctx_t *ctx)
     return stack_push(ctx, &v);
 }
 
+static HRESULT interp_idiv(exec_ctx_t *ctx)
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
 static HRESULT interp_neg(exec_ctx_t *ctx)
 {
     variant_val_t val;

dlls/vbscript/parse.h

@@ -23,6 +23,7 @@ typedef enum {
     EXPR_DOUBLE,
     EXPR_EMPTY,
     EXPR_EQUAL,
+    EXPR_IDIV,
     EXPR_MEMBER,
     EXPR_MOD,
     EXPR_NEG,

dlls/vbscript/parser.y

@@ -91,7 +91,7 @@ static elseif_decl_t *new_elseif_decl(parser_ctx_t*,expression_t*,statement_t*);
 
 %type <statement> Statement StatementNl StatementsNl IfStatement Else_opt
 %type <expression> Expression LiteralExpression PrimaryExpression EqualityExpression CallExpression
-%type <expression> ConcatExpression AdditiveExpression ModExpression IntdivExpression
+%type <expression> ConcatExpression AdditiveExpression ModExpression IntdivExpression MultiplicativeExpression
 %type <expression> NotExpression UnaryExpression
 %type <member> MemberExpression
 %type <expression> Arguments_opt ArgumentList_opt ArgumentList
@@ -198,8 +198,12 @@ ModExpression
     | ModExpression tMOD IntdivExpression       { $$ = new_binary_expression(ctx, EXPR_MOD, $1, $3); CHECK_ERROR; }
 
 IntdivExpression
-    : UnaryExpression /* FIXME */   { $$ = $1; }
+    : MultiplicativeExpression                  { $$ = $1; }
+    | IntdivExpression '\\' MultiplicativeExpression
+                                                { $$ = new_binary_expression(ctx, EXPR_IDIV, $1, $3); CHECK_ERROR; }
 
+MultiplicativeExpression
+    : UnaryExpression /* FIXME */   { $$ = $1; }
 
 UnaryExpression
     : LiteralExpression             { $$ = $1; }

dlls/vbscript/vbscript.h

@@ -108,6 +108,7 @@ typedef enum {
     X(equal,          1, 0,           0)          \
     X(icall,          1, ARG_BSTR,    ARG_UINT)   \
     X(icallv,         1, ARG_BSTR,    ARG_UINT)   \
+    X(idiv,           1, 0,           0)          \
     X(jmp,            0, ARG_ADDR,    0)          \
     X(jmp_false,      0, ARG_ADDR,    0)          \
     X(long,           1, ARG_INT,     0)          \