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dropped
When an OAS node is converted to an OSELRECV2 node in tcSelect(), the
possible DCL node in the Init field was being dropped, since a
completely new node was being created and the Init field was not set. I
don't expect n.Init() to be set for the ORECV case, but the code now
deals with that too.
Fixed bug in both tcSelect() and transformSelect().
Cherry-picked from https://go-review.googlesource.com/c/go/+/348569
Fixes #49511
Change-Id: Id5b736daa8e90afda88aaa3769dde801db294c0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/363664
Trust: Dan Scales <danscales@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Updates #19367.
Updates #40481.
Change-Id: Iabd2afdd0d520e5d68fd9e6dedd013335a4b3886
Reviewed-on: https://go-review.googlesource.com/c/go/+/312214
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Trust: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Create transformCompLit, which does the transformations done by
tcCompLit without the typechecking. This removes the final use of the
old typechecker in the noder2 pass.
Other changes:
- Used the transformCompLit in stringstorunelit(), which creates an
OCOMPLIT that needs transformation as well.
- Fixed one place in transformIndex where we were still using
typecheck.AssignConv, when we should be using its equivalent
noder.assignconvfn.
The go/test tests always run with -G=3, and I also tested that the "go
test" tests continue to run correctly with -G=3.
Change-Id: I4a976534ab7311cf2a5f43841026dbf7401e62b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/308529
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
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types.Type instead
Confusingly, the set of all methods of an interface is currently set in
Fields field of types.Interface. This is true, even though there is
already an allMethods field (and AllMethods method) of types.Type.
Change so the set of all methods of an interface are stored in
Type.allMethods, and Interface.Fields is removed. Update the comments
for Methods and AllMethods.
Change-Id: Ibc32bafae86831cba62606b079a855690612c759
Reviewed-on: https://go-review.googlesource.com/c/go/+/307209
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Dan Scales <danscales@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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stenciled functions
The setting of n.Use for a call node in transformCall() (and previously
in Call()), was not corrrect, since it was trying to use the number of
results of the call, rather than whether the call result was actually
used. We are already setting n.Use to ir.CallUseStmt if the call node is
directly a statement, so we just need to initialize n.Use to
ir.CallExprStmt in Call(), which will get changed to ir.CallUseStmt at
the statement level if it's used as a statement.
Enable inlining of stenciled functions (just disabled for testing,
easier debugging). The above n.Use fix was required for the inlining
to work for two cases.
Change-Id: Ie4ef6cd53fd4b20a4f3be31e629280909a545b7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/305913
Trust: Dan Scales <danscales@google.com>
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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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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Pull out the tranformation part of the typechecking functions for:
- selector expressions (OXDOT)
- calls to builtin functions (which go through the typechecker loop
twice, once for the call and once for each different kind of
builtin).
Some of the transformation functions create new nodes that should have
the same type as the original node. For consistency, now each of the
transformation functions requires that the node passed in has its type
and typecheck flag set. If the transformation function replaces or adds
new nodes, it will set the type and typecheck flag for those new nodes.
As usual, passes all the gotests, even with -G=3 enabled.
Change-Id: Ic48b0ce5f58425f4a358afa78315bfc7c28066c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/304729
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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Pull out the transformation part of the typechecking functions for:
- assignment statements
- return statements
- send statements
- select statements
- type conversions
- normal function/method calls
- index operations
The transform functions are like the original typechecking functions,
but with all code removed related to:
- Detecting compile-time errors (already done by types2)
- Setting the actual type of existing nodes (already done based on
info from types2)
- Dealing with untyped constants
Moved all the transformation functions to a separate file, transform.go.
Continuing with the same pattern, we delay transforming a node if it has
any type params in its args, marking it with a typecheck flag of 3, and
do the actual transformation during stenciling.
Assignment statements are tricky, since their transformation must be
delayed if any of the left or right-hands-sides are delayed.
Still to do are:
- selector expressions (OXDOT)
- composite literal expressions (OCOMPLIT)
- builtin function calls
Change-Id: Ie608cadbbc69b40db0067a5536cf707dd974aacc
Reviewed-on: https://go-review.googlesource.com/c/go/+/304049
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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