modified according to comments

This commit is contained in:
pca006132 2021-04-12 19:58:29 +08:00
parent 30dd6a1ac1
commit 284ab3324c
1 changed files with 22 additions and 1 deletions

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@ -18,6 +18,25 @@ kernel.
Only types supported in the kernel can be referenced. Only types supported in the kernel can be referenced.
Examples:
```python
FOO = 0
@kernel
def correct() -> int:
global FOO
return FOO + 1
@kernel
def fail_without_global() -> int:
return FOO + 2
@kernel
def fail_write() -> None:
FOO += 1
```
## Class and Functions ## Class and Functions
* Instance variables must be annotated: (Issue #1) * Instance variables must be annotated: (Issue #1)
```python ```python
@ -31,7 +50,7 @@ Only types supported in the kernel can be referenced.
* Three types of instance variables: (Issue #5) * Three types of instance variables: (Issue #5)
* Host only variables: Do not add type annotation for it in the class. * Host only variables: Do not add type annotation for it in the class.
* Kernel Invariants: Immutable in the kernel and in the host while the kernel * Kernel Invariants: Immutable in the kernel and in the host while the kernel
is executing. Type: `KernelInvariant(T)`. The types must be immutable. is executing. Type: `KernelInvariant[T]`. The types must be immutable.
(use tuple instead of list in the host, but the type annotation should still (use tuple instead of list in the host, but the type annotation should still
be list?) be list?)
* Normal Variables: The host can only assign to them in the `__init__` * Normal Variables: The host can only assign to them in the `__init__`
@ -47,6 +66,8 @@ Only types supported in the kernel can be referenced.
* Function pointers are supported, and lambda expression is not supported * Function pointers are supported, and lambda expression is not supported
currently. (maybe support lambda after implementing type inference?) currently. (maybe support lambda after implementing type inference?)
Its type is denoted by the typing library, e.g. `Call[[int32, int32], int32]`.
## Built-in Types ## Built-in Types
* Primitive types include: * Primitive types include:
* `bool` * `bool`