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2 Commits

Author SHA1 Message Date
Dan Scales
c0aa7bd760 [dev.typeparams] cmd/compile: small fixes for stenciling
- Create the stencil name using targ.Type.String(), which handles cases
   where, for example, a type argument is a pointer to a named type,
   etc. *obj.

 - Set name.Def properly for a new stenciled func (have the symbol point
   back to the associated function node).  Will be required when exporting.

 - Add missing copying of Func field when making copies of Name nodes.
   (On purpose (it seems), Name nodes don't have a copy() function, so
   we have to copy all the needed fields explicitly.)

 - Deal with nil type in subster.node(), which is the type of the return
   value for a function that doesn't return anything.

 - Fix min to match standard want/go form, and add in float tests.  Changed
   Got -> got in bunch of other typeparam tests.

 - Add new tests index.go, settable.go, and smallest.go (similar to
   examples in the type param proposal), some of which need the above
   changes.

Change-Id: I09a72302bc1fd3635a326da92405222afa222e85
Reviewed-on: https://go-review.googlesource.com/c/go/+/291109
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>
2021-02-11 21:46:39 +00:00
Dan Scales
0fbde54ea6 [dev.typeparams] cmd/compile: allow generic funcs to call other generic funcs for stenciling
- Handle generic function calling itself or another generic function in
   stenciling. This is easy - after it is created, just scan an
   instantiated generic function for function instantiations (that may
   needed to be stenciled), just like non-generic functions. The types
   in the function instantiation will already have been set by the
   stenciling.

 - Handle OTYPE nodes in subster.node() (allows for generic type
   conversions).

 - Eliminated some duplicated work in subster.typ().

 - Added new test case fact.go that tests a generic function calling
   itself, and simple generic type conversions.

 - Cause an error if a generic function is to be exported (which we
   don't handle yet).

 - Fixed some suggested changes in the add.go test case that I missed in
   the last review.

Change-Id: I5d61704254c27962f358d5a3d2e0c62a5099f148
Reviewed-on: https://go-review.googlesource.com/c/go/+/290469
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-02-08 19:32:55 +00:00