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236 Commits

Author SHA1 Message Date
David Mak fd44ee6887 core: Apply clippy suggestions 2024-03-22 15:07:23 +08:00
David Mak 77de24ef74 core: Use BTreeMap for type variable mapping 
There have been multiple instances where I had the need to iterate over
type variables, only to discover that the traversal order is arbitrary.

This commit fixes that by adding SortedMapping, which utilizes BTreeMap
internally to guarantee a traversal order. All instances of VarMap are
now refactored to use this to ensure that type variables are iterated in
 the order of its variable ID, which should be monotonically incremented
 by the unifier.
 2024-03-04 23:56:04 +08:00
David Mak 234a6bde2a core: Use TObj for NDArray 2024-03-01 15:41:55 +08:00
David Mak c3db6297d9 core: Add primitive definition-id list 
So that we have a single ground truth for the definition IDs of
primitive types.
 2024-03-01 11:29:10 +08:00
David Mak 49de81ef1e core: Apply clippy suggestions 2024-02-23 15:41:06 +08:00
David Mak 0d5c53e60c core: Implement type inference for indexing into ndarray 2024-02-19 17:13:09 +08:00
David Mak 282a3e1911 core: Fix typo in error message 2024-02-14 16:26:13 +08:00
David Mak 1963c30744 core: Use Display output for locations 2024-02-06 18:11:51 +08:00
David Mak 27011f385b core: Add location to non-primitive value return error 2024-02-02 12:49:21 +08:00
David Mak d6302b6ec8 core: Allow tuple of primitives to be returned 2024-02-02 12:48:52 +08:00
David Mak b3736c3e99 core: Disallow returning of non-primitive values 
Non-primitive values are represented by an `alloca`-ed value in the
function body, and when the pointer is returned from the function, the
`alloca`-ed object is deallocated on the stack.

Related to #54.
 2024-01-29 12:49:24 +08:00
David Mak e3e2c36ef4 core: Mark TNDArray and TLiteral as unimplemented in tests 2024-01-17 09:58:14 +08:00
David Mak 12c0eed0a3 core: Fix compilation of tests 2024-01-17 09:49:49 +08:00
David Mak 140f8f8a08 core: Implement most ndarray-creation functions 2023-12-22 16:29:55 +08:00
David Mak 27fcf8926e core: Implement ndarray constructor and numpy.empty 2023-12-22 16:29:54 +08:00
David Mak afa7d9b100 core: Implement helper for creation of generic ndarray 2023-12-21 15:39:49 +08:00
David Mak c395472094 core: Initial infrastructure for ndarray 2023-12-21 15:39:46 +08:00
David Mak 03870f222d core: Extract special method handling in type inferencer 
To prepare for more special handling with methods.
 2023-12-21 15:38:26 +08:00
David Mak e435b25756 core: Allow implicit promotions of integral literals 
It should not matter, since it is the value of the literal that matters
with respect to the const generic variable.
 2023-12-21 15:21:08 +08:00
David Mak bd792904f9 core: Add size_t to primitive store 
Used for ndims in ndarray.
 2023-12-21 15:20:31 +08:00
David Mak 6dccb343bb Revert "core: Do not keep unification result for function arguments" 
This reverts commit f09f3c27a5.
 2023-12-18 10:01:23 +08:00
David Mak f09f3c27a5 core: Do not keep unification result for function arguments 
For some reason, when unifying a function call parameter with an
argument, subsequent calls to the same function will only accept the
type of the substituted argument.

This affect snippets like:

```
def make1() -> C[Literal[1]]:
    return ...

def make2() -> C[Literal[2]]:
    return ...

def consume(instance: C[Literal[1, 2]]):
    pass

consume(make1())
consume(make2())
```

The last statement will result in a compiler error, as the parameter of
consume is replaced with C[Literal[1]].

We fix this by getting a snapshot before performing unification, and
restoring the snapshot after unification succeeds.
 2023-12-16 18:40:48 +08:00
David Mak 0bbc9ce6f5 core: Deduplicate values in `Literal` 
Matches the behavior with `typing.Literal`.
 2023-12-16 18:40:48 +08:00
David Mak 457d3b6cd7 core: Refactor generic constants to `Literal` 
Better matches the syntax of `typing.Literal`.
 2023-12-16 18:40:48 +08:00
David Mak 5f692debd8 core: Add PrimitiveStore into Unifier 
This will be used during unification between a const generic variable
and a `Literal`.
 2023-12-16 18:40:48 +08:00
David Mak a19f1065e3 meta: Refactor to use more let-else bindings 2023-12-12 16:31:14 +08:00
David Mak 32746c37be core: Refactor to return errors by HashSet 2023-12-12 15:41:59 +08:00
David Mak 5ffd06dd61 core: Remove debugging statement 2023-12-12 11:23:51 +08:00
David Mak 02933753ca core: Apply clippy pedantic changes 2023-12-11 15:16:23 +08:00
David Mak d304afd333 meta: Apply clippy suggested changes 2023-12-11 15:16:23 +08:00
David Mak ef04696b02 meta: Lift return out of conditional statement 2023-12-11 15:16:23 +08:00
David Mak 4dc5dbb856 meta: Replace equality assertion with assert_eq 
Emits a more useful assertion message.
 2023-12-11 15:16:23 +08:00
David Mak 5182453bd9 meta: Remove redundant path prefixes 2023-12-11 15:16:23 +08:00
David Mak 031e660f18 core: Initial implementation for const generics 2023-12-08 18:02:11 +08:00
David Mak c93ad152d7 core: Codegen for ellipsis expression as NotImplemented 
A lot of refactoring was performed, specifically with relaxing
expression codegen to return Option in case where ellipsis are used
within a subexpression.
 2023-12-08 18:00:51 +08:00
David Mak d322c91697 core: Change bitshift operators to accept int32/uint32 for RHS operand 2023-11-09 12:16:20 +08:00
David Mak 3231eb0d78 core: Add compile-time error and runtime assertion for negative shifts 2023-11-09 12:16:20 +08:00
David Mak 2a775d822e core: Demote dead code into a stdout warning 2023-10-04 18:03:25 +08:00
Sebastien Bourdeauducq 085c6ee738 update dependencies 2022-11-18 16:15:46 +08:00
ychenfo 48cb485b89 nac3core: show outer type info in type error messages 
Reviewed-on: #274
Co-authored-by: ychenfo <yc@m-labs.hk>
Co-committed-by: ychenfo <yc@m-labs.hk>
 2022-04-22 15:31:55 +08:00
ychenfo 711c3d3303 nac3core: support custom operators 2022-04-18 15:31:56 +08:00
wylited e94b25f544 spelling (#264) 
Co-authored-by: wylited <ds@m-labs.hk>
Co-committed-by: wylited <ds@m-labs.hk>
 2022-04-13 11:32:31 +08:00
Sebastien Bourdeauducq 1e7abf0268 fix tests 2022-04-12 10:06:41 +08:00
Sebastien Bourdeauducq ca07cb66cd format typevars consistently 2022-04-12 09:28:17 +08:00
ychenfo a38cc04444 nac3core: assert statement 2022-03-29 06:56:40 +08:00
ychenfo 26a4834254 fix warnings 2022-03-26 18:52:08 +08:00
ychenfo 80631fc92b Option type support (#224) 
Co-authored-by: ychenfo <yc@m-labs.hk>
Co-committed-by: ychenfo <yc@m-labs.hk>
 2022-03-26 15:09:15 +08:00
ychenfo be75fa7368 nac3core: fix assign to constant 2022-03-24 07:13:13 +08:00
pca006132 d9be8d3978 nac3core/typecheck/unification_table: fixed snapshot restore bug 
Closes 229
 2022-03-23 00:25:10 +08:00
pca006132 41d62f7325 nac3core/toplevel: fixed typevar substitution bug 2022-03-23 00:25:10 +08:00