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Also, breaking API changes to:
* std.fs.Dir.readFileAlloc
* std.fs.Dir.readFileAllocOptions
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and delete deprecated alias std.io
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This "get" is useless noise and was copied from FixedBufferWriter.
Since this API has not yet landed in a release, now is a good time
to make the breaking change to fix this.
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Basically everything that has a direct replacement or no uses left.
Notable omissions:
- std.ArrayHashMap: Too much fallout, needs a separate cleanup.
- std.debug.runtime_safety: Too much fallout.
- std.heap.GeneralPurposeAllocator: Lots of references to it remain, not
a simple find and replace as "debug allocator" is not equivalent to
"general purpose allocator".
- std.io.Reader: Is being reworked at the moment.
- std.unicode.utf8Decode(): No replacement, needs a new API first.
- Manifest backwards compat options: Removal would break test data used
by TestFetchBuilder.
- panic handler needs to be a namespace: Many tests still rely on it
being a function, needs a separate cleanup.
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added adapter to AnyWriter and GenericWriter to help bridge the gap
between old and new API
make std.testing.expectFmt work at compile-time
std.fmt no longer has a dependency on std.unicode. Formatted printing
was never properly unicode-aware. Now it no longer pretends to be.
Breakage/deprecations:
* std.fs.File.reader -> std.fs.File.deprecatedReader
* std.fs.File.writer -> std.fs.File.deprecatedWriter
* std.io.GenericReader -> std.io.Reader
* std.io.GenericWriter -> std.io.Writer
* std.io.AnyReader -> std.io.Reader
* std.io.AnyWriter -> std.io.Writer
* std.fmt.format -> std.fmt.deprecatedFormat
* std.fmt.fmtSliceEscapeLower -> std.ascii.hexEscape
* std.fmt.fmtSliceEscapeUpper -> std.ascii.hexEscape
* std.fmt.fmtSliceHexLower -> {x}
* std.fmt.fmtSliceHexUpper -> {X}
* std.fmt.fmtIntSizeDec -> {B}
* std.fmt.fmtIntSizeBin -> {Bi}
* std.fmt.fmtDuration -> {D}
* std.fmt.fmtDurationSigned -> {D}
* {} -> {f} when there is a format method
* format method signature
- anytype -> *std.io.Writer
- inferred error set -> error{WriteFailed}
- options -> (deleted)
* std.fmt.Formatted
- now takes context type explicitly
- no fmt string
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`std.Build.Step.ConfigHeader` emits a *directory* containing a config
header under a given sub path, but there's no good way to actually
access that directory as a `LazyPath` in the configure phase. This is
silly; it's perfectly valid to refer to that directory, perhaps to
explicitly pass as a "-I" flag to a different toolchain invoked via a
`Step.Run`. So now, instead of the `GeneratedFile` being the actual
*file*, it should be that *directory*, i.e. `cache/o/<digest>`. We can
then easily get the *file* if needed just by using `LazyPath.path` to go
"deeper", which there is a helper function for.
The legacy `getOutput` function is now a deprecated alias for
`getOutputFile`, and `getOutputDir` is introduced.
`std.Build.Module.IncludeDir.appendZigProcessFlags` needed a fix after
this change, so I took the opportunity to refactor it a little. I was
looking at this function while working on ziglang/translate-c yesterday
and realised it could be expressed much more simply -- particularly
after the `ConfigHeader` change here.
I had to update the test `standalone/cmakedefine/` -- it turns out this
test was well and truly reaching into build system internals, and doing
horrible not-really-allowed stuff like overriding the `makeFn` of a
`TopLevelStep`. To top it all off, the test forgot to set
`b.default_step` to its "test" step, so the test never even ran. I've
refactored it to follow accepted practices and to actually, like, work.
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std.Build.Step.ConfigHeader: Add support for Autoconf-style `@FOO@` variables
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Add the new style `Style.autoconf_at`. Rename the existing
`Style.autoconf` (which uses `#undef` directives) to
`Style.autoconf_undef`.
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This was done by regex substitution with `sed`. I then manually went
over the entire diff and fixed any incorrect changes.
This diff also changes a lot of `callconv(.C)` to `callconv(.c)`, since
my regex happened to also trigger here. I opted to leave these changes
in, since they *are* a correct migration, even if they're not the one I
was trying to do!
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The compiler actually doesn't need any functional changes for this: Sema
does reification based on the tag indices of `std.builtin.Type` already!
So, no zig1.wasm update is necessary.
This change is necessary to disallow name clashes between fields and
decls on a type, which is a prerequisite of #9938.
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Changes the `make` function signature to take an options struct, which
additionally includes `watch: bool`. I intentionally am not exposing
this information to configure phase logic.
Also adds global zig cache to the compiler cache prefixes.
Closes #20600
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This allows running commands that take an output directory argument. The
main thing that was needed for this feature was generated file subpaths,
to allow access to the files in a generated directory. Additionally, a
minor change was required to so that the correct directory is created
for output directory args.
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* `doc/langref` formatting
* upgrade `.{ .path = "..." }` to `b.path("...")`
* avoid using arguments named `self`
* make `Build.Step.Id` usage more consistent
* add `Build.pathResolve`
* use `pathJoin` and `pathResolve` everywhere
* make sure `Build.LazyPath.getPath2` returns an absolute path
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writeFile was deprecated in favor of writeFile2 in f645022d16361865e24582d28f1e62312fbc73bb. This commit renames writeFile2 to writeFile and makes writeFile2 a compile error.
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This adds the *std.Build owner to LazyPath so that lazy paths returned
from a dependency can be used in the application without friction or
footguns.
closes #19313
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This also makes a long-overdue change of extracting common state from
Build into a shared Graph object.
Getting the semantics right for these flags turned out to be quite
tricky. In the end it works like this:
* The override only happens when the target is fully native, with no
additional query parameters, such as versions or CPU features added.
* The override affects the resolved Target but leaves the original Query
unmodified.
* The "is native?" detection logic operates on the original, unmodified
query. This makes it possible to provide invalid host target
information, causing confusing errors to occur. Don't do that.
There are some minor breaking changes to std.Build API such as the fact
that `b.zig_exe` is now moved to `b.graph.zig_exe`, as well as a handful
of other similar flags.
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Replace unnecessary panic with step error
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Behavior matches CMake's CMP0053 policy that is the current standard for
variable expansion for `configure_file()`
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Iterative passes should start at the end of the previous substitution
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Adds a variant to the LazyPath union representing a parent directory
of a generated path.
```zig
const LazyPath = union(enum) {
generated_dirname: struct {
generated: *const GeneratedFile,
up: usize,
},
// ...
}
```
These can be constructed with the new method:
```zig
pub fn dirname(self: LazyPath) LazyPath
```
For the cases where the LazyPath is already known
(`.path`, `.cwd_relative`, and `dependency`)
this is evaluated right away.
For dirnames of generated files and their dirnames,
this is evaluated at getPath time.
dirname calls can be chained, but for safety,
they are not allowed to escape outside a root
defined for each case:
- path: This is relative to the build root,
so dirname can't escape outside the build root.
- generated: Can't escape the zig-cache.
- cwd_relative: This can be a relative or absolute path.
If relative, can't escape the current directory,
and if absolute, can't go beyond root (/).
- dependency: Can't escape the dependency's root directory.
Testing:
I've included a standalone case for many of the happy cases.
I couldn't find an easy way to test the negatives, though,
because tests cannot yet expect panics.
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Introduce the concept of "target query" and "resolved target". A target
query is what the user specifies, with some things left to default. A
resolved target has the default things discovered and populated.
In the future, std.zig.CrossTarget will be rename to std.Target.Query.
Introduces `std.Build.resolveTargetQuery` to get from one to the other.
The concept of `main_mod_path` is gone, no longer supported. You have to
put the root source file at the module root now.
* remove deprecated API
* update build.zig for the breaking API changes in this branch
* move std.Build.Step.Compile.BuildId to std.zig.BuildId
* add more options to std.Build.ExecutableOptions, std.Build.ObjectOptions,
std.Build.SharedLibraryOptions, std.Build.StaticLibraryOptions, and
std.Build.TestOptions.
* remove `std.Build.constructCMacro`. There is no use for this API.
* deprecate `std.Build.Step.Compile.defineCMacro`. Instead,
`std.Build.Module.addCMacro` is provided.
- remove `std.Build.Step.Compile.defineCMacroRaw`.
* deprecate `std.Build.Step.Compile.linkFrameworkNeeded`
- use `std.Build.Module.linkFramework`
* deprecate `std.Build.Step.Compile.linkFrameworkWeak`
- use `std.Build.Module.linkFramework`
* move more logic into `std.Build.Module`
* allow `target` and `optimize` to be `null` when creating a Module.
Along with other fields, those unspecified options will be inherited
from parent `Module` when inserted into an import table.
* the `target` field of `addExecutable` is now required. pass `b.host`
to get the host target.
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* include path was using bad default for dependency lazy paths
* unhashed config options caused changes to not trigger a rebuild
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This commit adds an option to allow for overriding the default header guard that is generated from the output
file path.
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Replaces occurences of @fabs absCast and absInt with new @abs builtin.
Also removes the std.math.fabs alias from math.zig.
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The main motivation for this change is eliminating the `block_ptr`
result location and corresponding `store_to_block_ptr` ZIR instruction.
This is achieved through a simple pass over the AST before AstGen which
determines, for AST nodes which have a choice on whether to provide a
result location, which choice to make, based on whether the result
pointer is consumed non-trivially.
This eliminates so much logic from AstGen that we almost break even on
line count! AstGen no longer has to worry about instruction rewriting
based on whether or not a result location was consumed: it always knows
what to do ahead of time, which simplifies a *lot* of logic. This also
incidentally fixes a few random AstGen bugs related to result location
handling, leading to the changes in `test/` and `lib/std/`.
This opens the door to future RLS improvements by making them much
easier to implement correctly, and fixes many bugs. Most ZIR is made
more compact after this commit, mainly due to not having redundant
`store_to_block_ptr` instructions lying around, but also due to a few
bugs in the old system which are implicitly fixed here.
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* introduce LazyPath.cwd_relative variant and use it for --zig-lib-dir. closes #12685
* move overrideZigLibDir and setMainPkgPath to options fields set once
and then never mutated.
* avoid introducing Build/util.zig
* use doc comments for deprecation notices so that they show up in
generated documentation.
* introduce InstallArtifact.Options, accept it as a parameter to
addInstallArtifact, and move override_dest_dir into it. Instead of
configuring the installation via Compile step, configure the
installation via the InstallArtifact step. In retrospect this is
obvious.
* remove calls to pushInstalledFile in InstallArtifact. See #14943
* rewrite InstallArtifact to not incorrectly observe whether a Compile
step has any generated outputs. InstallArtifact is meant to trigger
output generation.
* fix child process evaluation code handling of `-fno-emit-bin`.
* don't store out_h_filename, out_ll_filename, etc., pointlessly. these
are all just simple extensions appended to the root name.
* make emit_directory optional. It's possible to have nothing outputted,
for example, if you're just type-checking.
* avoid passing -femit-foo/-fno-emit-foo when it is the default
* rename ConfigHeader.getTemplate to getOutput
* deprecate addOptionArtifact
* update the random number seed of Options step caching.
* avoid using `inline for` pointlessly
* avoid using `override_Dest_dir` pointlessly
* avoid emitting an executable pointlessly in test cases
Removes forceBuild and forceEmit. Let's consider these additions separately.
Nearly all of the usage sites were suspicious.
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removes functions that take literal paths instead of LazyPath.
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