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Similar to the previously-added UnknownBody, the new optional interface
MarkedBody allows hcl.Body implementations to suggest a set of marks that
ought to be applied to any value that's generated to represent the content
of that body.
The dynblock extension then uses this to get hcldec to mark the whole
object representing any block that was generated by a dynamic block whose
for_each was marked, for a better representation of the fact that a
block's existence was decided based on a marked value.
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Due to the quite messy heritage of this codebase -- including a large part
of it being just a fork of my earlier personal project ZCL -- there were
many different conventions for how to pretty-print and diff values in the
tests in different parts of the codebase.
To reduce the dependency sprawl, this commit now standardizes on:
- github.com/davecgh/go-spew for pretty-printing
- github.com/google/go-cmp for diffing
These two dependencies were already present anyway, are the most general
out of all of the candidates, and are also already in use by at least some
of HCL's most significant callers, such as HashiCorp Terraform.
The version of go-cmp we were previously using seems to have a bug that
causes the tests to crash when run under the Go race detector, so I've
also upgraded that dependency to latest here to clear that bug.
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In theory we could use the latest (v0.18.0) version of the x/tools module but that would also bring upgrade of x/sys (transitive dependency of go-cty) from current v0.5.0 and full understanding of implications of that upgrade.
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To match with the Unicode support in Go 1.21, we'll now use the Unicode 15
tables when we're normalizing Unicode strings and when counting
user-perceived characters ("grapheme clusters") for source position
purposes.
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This new concept allows constraining the range of an unknown value beyond
what can be captured in a type constraint. We'll make more use of this
in subsequent commits.
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* add test cases that verify the downstream go-cty fix has worked
* update go-cty
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The main motivation here is that we were apparently using bit shifting
with signed shift amounts even though modern Go toolchains seem to raise
that as an error if the go.mod file selects a language version less than
Go 1.13.
Go 1.17 is therefore newer than we strictly need to solve that particular
problem, but gets us caught up with a relatively release of the language.
This alone doesn't break compatibility for anyone using older versions of
Go with HCL, since the Go toolchain will still attempt to compile modules
targeting later versions and will only mention the newer language version
if compilation would already have failed for some other reason.
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Not sure if this is M1 specific or just newer versions of macOS altogether,
but hclfmt cannot be installed with the transitive dependency on
`golang.org/x/sys@v0.0.0-20190502175342-a43fa875dd82`
caused by the dependency on `golang.org/x/crypto`.
Update the crypto library so that a newer version of sys gets pulled in,
which compiles fine.
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Lately we've made some changes that have affected the behavior of the
specsuite tests, causing them to fail. Much of this was caused by changes
to the harness itself (based on hcldec), although one break in particular
here was an intentional change to the implementation of modulo in
upstream cty to make it produce a more accurate result when used with
a fractional divisor.
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HCL uses a number of upstream libraries that implement algorithms defined
in Unicode. This commit is updating those libraries all to versions that
have Unicode 13 support.
The main implication of this for HCL directly is that when it returns
column numbers in source locations it will count characters using the
Unicode 13 definition of "character", which includes various new
multi-codeunit characters added in Unicode 13.
These new version dependencies will also make Unicode 13 support available
for other functionality that HCL callers might use, such as the stdlib
functions in upstream cty, even though HCL itself does not directly use
those.
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HCL uses grapheme cluster segmentation to produce accurate "column"
indications in diagnostic messages and other human-oriented source
location information. Each new major version of Unicode introduces new
codepoints, some of which are defined to combine with other codepoints to
produce a single visible character (grapheme cluster).
We were previously using the rules from Unicode 9.0.0. This change
switches to using the segmentation rules from Unicode 12.0.0, which is
the latest version at the time of this commit and is also the version of
Unicode used for other purposes by the Go 1.14 runtime.
HCL does not use text segmentation results for any purpose that would
affect the meaning of decoded data extracted from HCL files, so this
change will only affect the human-oriented source positions generated for
files containing characters that were newly-introduced in Unicode 10, 11,
or 12. (Machine-oriented uses of source location information are based on
byte offsets and not affected by text segmentation.)
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This includes a new feature to allow extension properties associated with
capsule types, which HCL can in turn use to allow certain capsule types
to opt in to special handing at the HCL layer.
(There are no such hooks in use as of this commit, however.)
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This patch release includes a couple small bug fixes that don't affect HCL
directly, and a slight improvement to error messages for failed
conversions from boolean to string.
The primary goal of this upgrade is to ratchet dependents on HCL up to the
newer version of cty in order to get those improved error messages, but
during upgrading they may also benefit from the other bug fixes.
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The main HCL package is more visible this way, and so it's easier than
having to pick it out from dozens of other package directories.
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This is in preparation for the first v2 release from the main HCL
repository.
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This introduces only some minor bugfixes compared to the commit we
selected before; the main goal here is to be on an actual tagged release
rather than an arbitrary commit.
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The TemplateStringLiteral production was not quite right, causing a
literal $ or % immediately followed by " to consume the quotes and any
following characters on the line if there were any more characters on the
line.
Now we match things more precisely, but at the expense of generating some
redundant extra tokens when escapes and literal dollar/percent signs are
present. Those extra tokens don't matter in practice because the resulting
strings get concatenated together anyway, which is proven by the fact
that this changeset includes changes only to the scanner and parser tests,
and not to any of the expression result tests.
While here, I also improved the error message for when the user attempts
to split a quoted string over multiple lines. Previously it was just using
the generic "invalid character" message, which isn't particularly
actionable. Now we'll give the user a couple options of what to do
instead.
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This includes several upstream fixes and usability improvements.
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This includes a new function cty.ParseNumberVal which centralizes the
standard way to produce a cty.Number from a string so we can be sure to
always get comparable numbers.
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Fix import for howett.net/plist, and update go.mod.
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* Add tests to cover new behavior introduced in cty
Convert should now not convert null to DynamicPseudoType, and Equals
will always compare Nulls as equal.
* update go.mod
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However, since this repository is only a temporary home for this module,
the go.mod file carries a warning to that effect. It will move to its more
permanent home as it transitions from experimental to released.
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