Fix bug with DIM AT not working sometimes

src/api/check.py

@@ -268,7 +268,7 @@ def is_number(*p):
     containing NUMBER or numeric CONSTANTS
     """
     try:
-        return all(i.token == 'NUMBER' or (i.token == 'ID' and i.class_ == CLASS.const) for i in p)
+        return all(i.token == 'NUMBER' or is_const(i) for i in p)
     except Exception:
         pass
 

src/libzxbc/zxbparser.py

@@ -689,7 +689,7 @@ def p_var_decl_at(p):
         else:
             entry.addr = tmp
 
-    elif not is_number(p[5]):
+    elif not is_static(p[5]):
         src.api.errmsg.syntax_error_address_must_be_constant(p.lineno(4))
         return
     else:
@@ -777,7 +777,7 @@ def p_arr_decl_attr(p):
             elif expr.operand.token not in ('VAR', 'LABEL'):
                 error(p.lineno(3), 'Only addresses of identifiers are allowed')
                 return
-    elif not is_number(expr):
+    elif not is_static(expr):
         src.api.errmsg.syntax_error_address_must_be_constant(p.lineno(3))
         return
 

tests/functional/dim_arr_at_label2.asm

@@ -0,0 +1,46 @@
+	org 32768
+__START_PROGRAM:
+	di
+	push ix
+	push iy
+	exx
+	push hl
+	exx
+	ld hl, 0
+	add hl, sp
+	ld (__CALL_BACK__), hl
+	ei
+	jp __MAIN_PROGRAM__
+ZXBASIC_USER_DATA:
+	; Defines USER DATA Length in bytes
+ZXBASIC_USER_DATA_LEN EQU ZXBASIC_USER_DATA_END - ZXBASIC_USER_DATA
+	.__LABEL__.ZXBASIC_USER_DATA_LEN EQU ZXBASIC_USER_DATA_LEN
+	.__LABEL__.ZXBASIC_USER_DATA EQU ZXBASIC_USER_DATA
+	_tile.__DATA__ EQU 16768
+_tile:
+	DEFW __LABEL0
+_tile.__DATA__.__PTR__:
+	DEFW 16768
+__LABEL0:
+	DEFW 0000h
+	DEFB 02h
+ZXBASIC_USER_DATA_END:
+__MAIN_PROGRAM__:
+	ld hl, 0
+	ld b, h
+	ld c, l
+__END_PROGRAM:
+	di
+	ld hl, (__CALL_BACK__)
+	ld sp, hl
+	exx
+	pop hl
+	exx
+	pop iy
+	pop ix
+	ei
+	ret
+__CALL_BACK__:
+	DEFW 0
+	;; --- end of user code ---
+	END

tests/functional/dim_arr_at_label2.bas

@@ -0,0 +1,6 @@
+
+const tileStart as uinteger = $4000+384
+
+dim tile(0 to 255) as uinteger at tileStart
+
+

tests/functional/dim_at_label8.asm

@@ -0,0 +1,39 @@
+	org 32768
+__START_PROGRAM:
+	di
+	push ix
+	push iy
+	exx
+	push hl
+	exx
+	ld hl, 0
+	add hl, sp
+	ld (__CALL_BACK__), hl
+	ei
+	jp __MAIN_PROGRAM__
+ZXBASIC_USER_DATA:
+	; Defines USER DATA Length in bytes
+ZXBASIC_USER_DATA_LEN EQU ZXBASIC_USER_DATA_END - ZXBASIC_USER_DATA
+	.__LABEL__.ZXBASIC_USER_DATA_LEN EQU ZXBASIC_USER_DATA_LEN
+	.__LABEL__.ZXBASIC_USER_DATA EQU ZXBASIC_USER_DATA
+	_p EQU 16768
+ZXBASIC_USER_DATA_END:
+__MAIN_PROGRAM__:
+	ld hl, 0
+	ld b, h
+	ld c, l
+__END_PROGRAM:
+	di
+	ld hl, (__CALL_BACK__)
+	ld sp, hl
+	exx
+	pop hl
+	exx
+	pop iy
+	pop ix
+	ei
+	ret
+__CALL_BACK__:
+	DEFW 0
+	;; --- end of user code ---
+	END

tests/functional/dim_at_label8.bas

@@ -0,0 +1,6 @@
+
+const tileStart as uinteger = $4000+384
+
+dim p as Uinteger at tileStart
+
+