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have a body
Add the respective check and add missing bodies to tests.
Use {} as body for functions that don't return a result.
Use { panic(0) } as body for functions that return a result.
For #47069.
Change-Id: Ia5d7525c9c036baf8a955d13bff448401e08235e
Reviewed-on: https://go-review.googlesource.com/c/go/+/340911
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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This CL renames blank functions in the test/ directory so that they
don't rely on the compiler doing anything more than typechecking them.
In particular, I ran this search to find files that used blank
functions and methods:
$ git grep -l '^func.*\b_(' | xargs grep -n '^' | grep '\.go:1:' | grep -v '// errorcheck$'
I then skipped updating a few files:
* blank.go
* fixedbugs/issue11699.go
* fixedbugs/issue29870.go
These tests specifically check that blank functions/methods work.
* interface/fail.go
Not sure the motivation for the blank method here, but it's empty
anyway.
* typeparam/tparam1.go
Type-checking test, but uses "-G" (to use types2 instead of typecheck).
Updates #47446.
Change-Id: I9ec1714f499808768bd0dcd7ae6016fb2b078e5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/338094
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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We don't usually reformat the test directory, but all of the files in
test/typeparam are syntactically valid. I suspect the misformattings
here are because developers aren't re-installing gofmt with
-tags=typeparams, not intentionally exercising non-standard
formatting.
Change-Id: I3767d480434c19225568f3c7d656dc8589197183
Reviewed-on: https://go-review.googlesource.com/c/go/+/338093
Trust: Matthew Dempsky <mdempsky@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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parameters is not permitted
For #47127.
Change-Id: Ie979ff56ae7c2dd0e5ce0ff39588f98ae68b5ee9
Reviewed-on: https://go-review.googlesource.com/c/go/+/334151
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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During substitution of the function type during stenciling, we must set
the Name nodes of the param/result fields of the func type. We get those
name nodes from the substituted Dcl nodes of the PPARAMS and PPARAMOUTs.
But we must check that the names match with the Dcl nodes, so that we
skip any param fields that correspond to unnamed (in) parameters.
Added a few tests to typelist.go by removing a variety of unneeded
function parameter names.
Change-Id: If786961b64549da6f18eeeb5060ea58fab874eb9
Reviewed-on: https://go-review.googlesource.com/c/go/+/305912
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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Handle the case where types can be partially inferred for an
instantiated function that is not immediately called. The key for the
Inferred map is the CallExpr (if inferring types required the function
arguments) or the IndexExpr (if types could be inferred without the
function arguments).
Added new tests for the case where the function isn't immediately called
to typelist.go.
Change-Id: I60f503ad67cd192da2f2002060229efd4930dc39
Reviewed-on: https://go-review.googlesource.com/c/go/+/305909
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Dan Scales <danscales@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
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Fix various small bugs related to delaying transformations due to type
params. Most of these relate to the need to delay a transformation when
an argument of an expression or statement has a type parameter that has
a structural constraint. The structural constraint implies the operation
should work, but the transformation can't happen until the actual value
of the type parameter is known.
- delay transformations for send statements and return statements if
any args/values have type params.
- similarly, delay transformation of a call where the function arg has
type parameters. This is mainly important for the case where the
function arg is a pure type parameter, but has a structural
constraint that requires it to be a function. Move the setting of
n.Use to transformCall(), since we may not know how many return
values there are until then, if the function arg is a type parameter.
- set the type of unary expressions from the type2 type (as we do with
most other expressions), since that works better with expressions
with type params.
- deal with these delayed transformations in subster.node() and convert
the CALL checks to a switch statement.
- make sure ir.CurFunc is set properly during stenciling, including
closures (needed for transforming return statements during
stenciling).
New test file typelist.go with tests for these cases.
Change-Id: I1b82f949d8cec47d906429209e846f4ebc8ec85e
Reviewed-on: https://go-review.googlesource.com/c/go/+/305729
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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