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Strongly type ids #1050

Merged
merged 25 commits into from
Oct 2, 2017
Merged

Strongly type ids #1050

merged 25 commits into from
Oct 2, 2017

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fitzgen
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@fitzgen fitzgen commented Sep 30, 2017 •
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  • TypeId
  • ModuleId
  • VarId
  • FunctionId

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☔ The latest upstream changes (presumably #1049) made this pull request unmergeable. Please resolve the merge conflicts.

fitzgen added 22 commits October 2, 2017 11:32
@fitzgen
Introduce the TypeId newtype over ItemId
2a93916 
This commit also makes `BindgenContext::resolve_type` take a `TypeId`, and adds
unchecked conversions everywhere that we call it. Next, I'm going to go through
the code base, replacing these unchecked conversions with checked ones, and
tightening up types as I go.
@fitzgen
Remove unused parameter to codegen::utils::type_from_named
f5b06ed
@fitzgen
Turn build_templated_path into build_path
dd68ec8 
None of the callers were passing template parameters.
@fitzgen
Resolve an Item with any id type that converts into an ItemId
bd232fb
@fitzgen
Make TypeKind::{Alias,TemplateAlias,Array,Pointer,Reference} use `T…
bd32423 
…ypeId`

This commit makes certain `TypeKind`s that can only reference other types use
`TypeId` instead of `ItemId`.
@fitzgen
Make TemplateInstantiation's definition into a TypeId
25ce0f6 
The definition of a template is always a type, so it should be a TypeId rather
than an ItemId. Template arguments, on the other hand are not guaranteed to be
types. They can be constant values, for example.
@fitzgen
Make functions which take an ItemId generic to take any kind of id
2a0cee7
@fitzgen
Make comp fields contain TypeIds
95d9741
@fitzgen
Make a bunch more methods take generic ids
3e869f1
@fitzgen
Make base members use TypeId rather than ItemId
c2e94be
@fitzgen
instantiate_template should take a TypeId for the template defini…
d83e732 
…tion
@fitzgen
Make Enum::repr into a TypeId
5e75397
@fitzgen
A bunch of parsing things should return TypeId
9ad1e6a
@fitzgen
Turn CompInfo::inner_types into TypeId
c780d94
@fitzgen
Replacement should use TypeId rather than ItemId
9220ffe
@fitzgen
Replace as_type_id_unchecked calls with checked calls where possible
2549d5e
@fitzgen
Introduce ModuleId to strongly type IDs pointing at Modules
c912f55
@fitzgen
Put newtype-of-ItemId boilerplate behind a macro
9b294d3
@fitzgen
Introduce VarId for ids pointing to Var
edee094
@fitzgen
Make CompInfo::inner_vars use VarId instead of ItemId
45db21b
@fitzgen
Introduce the FunctionId newtype for ids pointing to functions
3ef31e8
@fitzgen
Make methods/constructors/destructors use FunctionId
3495d03 
And also allow ID comparison across ID types, as this makes implementing the
above much easier.
@fitzgen fitzgen force-pushed the strongly-type-ids branch from e7d8f94 to 3495d03 Compare October 2, 2017 19:23
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fitzgen commented Oct 2, 2017

r? @pepyakin

@fitzgen fitzgen changed the title [WIP] Strongly type ids Strongly type ids Oct 2, 2017
pepyakin
pepyakin reviewed Oct 2, 2017
View reviewed changes
src/ir/context.rs Outdated
@@ -1066,15 +1253,15 @@ impl BindgenContext {
}

/// Look up whether the item with `id` has vtable or not.
pub fn lookup_item_id_has_vtable(&self, id: &ItemId) -> bool {
pub fn lookup_item_id_has_vtable<Id: Into<ItemId>>(&self, id: Id) -> bool {
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I suppose has_vtable is defined only for types and calling it on a not type is bit smelly. Would it be hard to change this fn to only accept TypeId?

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Good call -- I'll give it a try.

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fitzgen commented Oct 2, 2017

@pepyakin OK, I made is_unsized, has_vtable, and has_destructor methods all take TypeId.

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pepyakin commented Oct 2, 2017

Looks great!

@bors-servo r+

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@pepyakin: 🔑 Insufficient privileges: Not in reviewers

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fitzgen commented Oct 2, 2017

@bors-servo r=pepyakin

Hmm doesn't seem to be deployed yet...

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📌 Commit 5f3bf1f has been approved by pepyakin

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⌛ Testing commit 5f3bf1f with merge c66598d...

bors-servo pushed a commit that referenced this pull request Oct 2, 2017
Auto merge of #1050 - fitzgen:strongly-type-ids, r=pepyakin
c66598d 
Strongly type ids

* [X] `TypeId`
* [X] `ModuleId`
* [x] `VarId`
* [x] `FunctionId`
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💔 Test failed - status-travis

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☀️ Test successful - status-travis
Approved by: pepyakin
Pushing c66598d to master...

@bors-servo bors-servo merged commit 5f3bf1f into rust-lang:master Oct 2, 2017
@bors-servo bors-servo mentioned this pull request Oct 2, 2017
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@fitzgen fitzgen deleted the strongly-type-ids branch October 2, 2017 21:13
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