def test_several_lists_with_labels(self):
code = '''
.org $E000
palette:
.db $0F,$01,$02,$03,$04,$05,$06,$07,$08,$09,$0A,$0B,$0C,$0D,$0E,$0F
.db $0F,$30,$31,$32,$33,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$0F
sprites:
.db $80, $00, $03, $80; Y pos, tile id, attributes, X pos
'''
tokens = lexical(code)
ast = syntax(tokens)
self.assertEquals(4, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
self.assertEquals('.org', ast[0]['children'][0]['value'])
self.assertEquals('S_DIRECTIVE', ast[1]['type'])
self.assertEquals('.db', ast[1]['children'][0]['value'])
self.assertEquals(['palette'], ast[1]['labels'])
self.assertEquals('S_DIRECTIVE', ast[2]['type'])
self.assertEquals('.db', ast[2]['children'][0]['value'])
self.assertEquals('S_DIRECTIVE', ast[3]['type'])
self.assertEquals('.db', ast[3]['children'][0]['value'])
self.assertEquals(['sprites'], ast[3]['labels'])
labels = get_labels(ast)
expected = {'palette': 0xE000, 'sprites': 0xE000 + 32}
self.assertEquals(expected, labels)
def test_get_labels(self):
expected = {}
expected['WAITVBLANK'] = 0xC000
expected['palette'] = 0xE000
expected['sprites'] = 0xE000 + 32
actual = get_labels(self.ast)
self.assertEquals(expected['WAITVBLANK'], actual['WAITVBLANK'])
self.assertEquals(expected['palette'], actual['palette'])
self.assertEquals(expected['sprites'], actual['sprites'])
def test_get_labels(self):
expected = {}
expected['WAITVBLANK'] = 0xC000
expected['palette'] = 0xE000
expected['sprites'] = 0xE000 + 32
actual = get_labels(self.ast)
self.assertEquals(expected['WAITVBLANK'], actual['WAITVBLANK'])
self.assertEquals(expected['palette'], actual['palette'])
self.assertEquals(expected['sprites'], actual['sprites'])
def test_instructions_with_labels(self):
code = '''
.org $C000
WAITVBLANK:
BIT $2002
BPL WAITVBLANK
RTS'''
tokens = lexical(code)
ast = syntax(tokens)
self.assertEquals(4, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
self.assertEquals('S_ABSOLUTE', ast[1]['type'])
self.assertEquals(['WAITVBLANK'], ast[1]['labels'])
labels = get_labels(ast)
expected = {'WAITVBLANK': 0xc000}
self.assertEquals(expected, labels)