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End-users are not expected to deal with the details of panics,
so providing extra information such as an "internal error" prefix
or the name of the function invoking the panic are not helpful.
Remove unnecessary panic verbiage if it is readily available from
a stack trace (such as the function where it happens, and the fact
that is is an "internal error").
Change-Id: I5f86bae6d2cca7c04ce692d17257da7ddee206d7
Reviewed-on: https://go-review.googlesource.com/c/go/+/339969
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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qualification logic
This is a partial port of https://golang.org/cl/330629, containing
only the actual bug fix and adjustements to another test file.
The respective test case has not been ported yet as it requires
some bigger adjustments.
For #46905
Change-Id: Ibd20658b8a31855da20cf56e24bcce9560656ca0
Reviewed-on: https://go-review.googlesource.com/c/go/+/336350
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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This is a port of the go/types CL https://golang.org/cl/313035
with minor adjustments (use of package syntax rather than go/ast).
Change-Id: I89410efb3d27be85fdbe827f966c2c91ee5693b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/314410
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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This moves the two helper functions startPos and endPos into
the syntax package where they belong. Export the functions and
adjust dependent code.
Change-Id: I8170faeadd7cfa8f53009f81fcffd50ec0fc6a98
Reviewed-on: https://go-review.googlesource.com/c/go/+/305578
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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The changes between (equivalent, and reviewed) go/types/errors.go
and errors.go can be seen by comparing patchset 1 and 2. The actual
changes are removing the "// UNREVIEWED" marker.
The go/types version is significantly different as it handles
error codes but doesn't have some of the types2 changes.
Change-Id: I48f79ce31490db938c830df7d38e247d55d54f2d
Reviewed-on: https://go-review.googlesource.com/c/go/+/305577
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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- Remove specialized errorf functions for invalid AST/argument/operation.
Instead use prefix constants with the error message.
- Replace several calls to Checker.errorf with calls to Checker.error
if there are no arguments to format.
- Replace a handful of %s format verbs with %v to satisfy vet check.
- Add a basic test that checks that we're not using Checker.errorf when
we should be using Checker.error.
Change-Id: I7bc7c14f3cf774689ec8cd5782ea31b6e30dbcd6
Reviewed-on: https://go-review.googlesource.com/c/go/+/300995
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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Until now, errors which came with additional details (e.g., a declaration
cycle error followed by the list of objects involved in the cycle, one per
line) were reported as an ordinary error followed by "secondary" errors,
with the secondary errors marked as such by having a tab-indented error
message.
This approach often required clients to filter these secondary errors
(as they are not new errors, they are just clarifying a previously
reported error).
This CL introduces a new internal error_ type which permits accumulating
various error information that may then be reported as a single error.
Change-Id: I25b2f094facd37e12737e517f7ef8853d465ff77
Reviewed-on: https://go-review.googlesource.com/c/go/+/296689
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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instead
Follow-up on feedback by mdempsky@ in https://golang.org/cl/282552 .
Change-Id: I1e5bb2d67cc8ae29fed100b87d18a33b3e2069eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/282672
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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expressions
The syntax package has a full-fledged node printer. Use that printer
to create the expression strings needed in error messages, and remove
the local (essentially) duplicate code for creating expression strings.
Change-Id: I03673e5e79b3c1470f8073ebbe840a90fd9053ec
Reviewed-on: https://go-review.googlesource.com/c/go/+/282553
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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inherited const init expression
Enabled fixedbugs/issue8183.go for run.go with new typechecker
now that issue is fixed.
Fixes #42992.
Updates #42991.
Change-Id: I23451999983b740d5f37ce3fa75ee756daf1a44f
Reviewed-on: https://go-review.googlesource.com/c/go/+/275517
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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This change makes a first connection between the compiler and types2.
When the -G flag is provided, the compiler accepts code using type
parameters; with this change generic code is also type-checked (but
then compilation ends).
Change-Id: I0fa6f6213267a458a6b33afe8ff26869fd838a63
Reviewed-on: https://go-review.googlesource.com/c/go/+/264303
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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types2 and importer
This is a copy of the importer and types2 (unreviewed) prototype version
excluding the testdata directory containing tests (see below). Each file
is marked with the comment
// UNREVIEWED
on the first line. The plan is to check in this code wholesale (it runs and
passes all tests) and then review the code file-by-file via subsequent CLs
and remove the "// UNREVIEWED" comments as we review the files.
Since most tests are unchanged from the original go/types, the next CL will
commit those tests as they don't need to be reviewed again. (Eventually we
may want to factor them out and share them from a single place, e.g. the
test directory.)
The existing file fmtmap_test.go was updated.
Change-Id: I9bd0ad1a7e7188b501423483a44d18e623c0fe71
Reviewed-on: https://go-review.googlesource.com/c/go/+/263624
Trust: Robert Griesemer <gri@golang.org>
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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