Fix bug in constant evaluation

Author: boriel

symbols/var.py

@@ -107,7 +107,7 @@ def __repr__(self):
     def t(self):
         # HINT: Parameters and local variables must have it's .t member as '$name'
         if self.class_ == CLASS.const:
-            return str(self.default_value)
+            return str(self.value)
 
         if self.scope == SCOPE.global_:
             if self.class_ == CLASS.array:

tests/functional/const8.asm

@@ -0,0 +1,38 @@
+	org 32768
+__START_PROGRAM:
+	di
+	push ix
+	push iy
+	exx
+	push hl
+	exx
+	ld hl, 0
+	add hl, sp
+	ld (__CALL_BACK__), hl
+	ei
+	ld hl, 12345
+	ld (_a), hl
+	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
+ZXBASIC_USER_DATA:
+_a:
+	DEFB 00, 00
+; Defines DATA END --> HEAP size is 0
+ZXBASIC_USER_DATA_END:
+	; Defines USER DATA Length in bytes
+ZXBASIC_USER_DATA_LEN EQU ZXBASIC_USER_DATA_END - ZXBASIC_USER_DATA
+	END

tests/functional/const8.bas

@@ -0,0 +1,5 @@
+
+CONST cvalue As UInteger = 12345
+CONST caux2 as UInteger = cvalue
+a = caux2
+