Commit d24e9fa2e150d24685237e50b9021b2800af3e07 - SixtyPical

I can no longer see a reason to require that it is a power of two. Chris Pressey 3 years ago

3 changed file(s) with 7 addition(s) and 7 deletion(s). Raw diff Collapse all Expand all

-1

doc/SixtyPical.md less more

24	24
25	25	There are also three type constructors:
26	26
27		* T table[N] (N is a power of 2, 1 ≤ N ≤ 256; each entry holds a value
	27	* T table[N] (N entries, 1 ≤ N ≤ 256; each entry holds a value
28	28	of type T, where T is `byte`, `word`, or `vector`)
29	29	* buffer[N] (N entries; each entry is a byte; 1 ≤ N ≤ 65536)
30	30	* vector T (address of a value of type T; T must be a routine type)

-1

src/sixtypical/parser.py less more

145	145
146	146	if self.scanner.consume('table'):
147	147	size = self.defn_size()
148		if size not in (1, 2, 4, 8, 16, 32, 64, 129, 256):
	148	if size <= 0 or size > 256:
149	149	raise SyntaxError("Table size must be a power of two, 0 < size <= 256")
150	150	type_ = TableType(type_, size)
151	151

-5

tests/SixtyPical Syntax.md less more

152	152	\| }
153	153	= ok
154	154
155		The number of entries in a table must be a power of two
156		which is greater than 0 and less than or equal to 256.
	155	The number of entries in a table must be
	156	greater than 0 and less than or equal to 256.
157	157
158	158	\| word table[512] many
159	159	\|

167	167	\| }
168	168	? SyntaxError
169	169
170		\| word table[48] many
	170	\| word table[0] many
171	171	\|
172	172	\| routine main
173	173	\| inputs many

179	179	\| }
180	180	? SyntaxError
181	181
182		\| word table[0] many
	182	\| word table[48] many
183	183	\|
184	184	\| routine main
185	185	\| inputs many

189	189	\| ld x, 0
190	190	\| copy 9999, many + x
191	191	\| }
192		? SyntaxError
	192	= ok
193	193
194	194	Typedefs of different types.
195	195