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This appears to be more of a standard directory name.
See #21
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This commit adds `-fgenerate-docs` CLI option, and it outputs:
* doc/index.html
* doc/data.js
* doc/main.js
In this strategy, we have 1 static html page and 1 static javascript
file, which loads the semantic analysis dump directly and renders it
using dom manipulation.
Currently, all it does is list the declarations. But there is a lot more
data available to work with. The next step would be making the
declarations hyperlinks, and handling page navigation.
Another strategy would be to generate a static site with no javascript,
based on the semantic analysis dump that zig now provides. I invite the
Zig community to take on such a project. However this version which
heavily relies on javascript will also be a direction explored.
I also welcome contributors to improve the html, css, and javascript of
what this commit started, as well as whatever improvements are necessary
to the static analysis dumping code to provide more information.
See #21.
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This commit adds -fdump-analysis which creates
a `$NAME-analysis.json` file with all of the finished
semantic analysis that the stage1 compiler produced.
It contains types, packages, declarations, and files.
This is an initial implementation; some data will be
missing. However it's easy to improve the implementation,
which is in `src/dump_analysis.cpp`.
The next step for #21 will be to create Zig code which parses
this json file and creates user-facing HTML documentation.
This feature has other uses, however; for example, it could
be used for IDE integration features until the self-hosted
compiler is available.
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* add -D CLI option for setting C macros
* add std.ascii.allocLowerString
* add std.ascii.eqlIgnoreCase
* add std.ascii.indexOfIgnoreCasePos
* add std.ascii.indexOfIgnoreCase
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Fixes #3236
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also add -fstack-report
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closes #3045
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this prevents a segfault in stack trace printing to activate the
segfault handler.
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This moves the installation of shipped source files from large
CMakeLists.txt lists to zig build recursive directory installation.
On my computer a cmake `make install` takes 2.4 seconds even when it has
to do nothing, and prints a lot of unnecessary lines to stdout that say
"up-to-date: [some file it is installing]".
After this commit, the default output of `make` is down to 1
second, and it does not print any junk to stdout. Further, a `make
install` is no longer required and `make` is sufficient.
This closes #2874.
It also closes #2585. `make` now always invokes `zig build` for
installing files and libuserland.a, and zig's own caching system makes
that go fast.
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provide a libc for windows using mingw-w64
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windows.h has files such as pshpack1.h which do #pragma packing,
triggering a clang warning. So for this target, this warning is
disabled.
this commit also improves the error message printed when no libc can be
used, printing the "zig triple" rather than the "llvm triple".
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closes #2587
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timonkruiper-function-sections
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zig code now can be made aware that it will not have any debug
information available at runtime.
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See #2526
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Stuffing all the files together and compiling the resulting blob with
the main program is a terrible idea.
Some files, namely the .S ones, must be run trough the C preprocessor
before assembling them (#2437).
Beside that the aggregate may be mis-compiled due to the presence of
some flags that affect the following code.
For example let's consider two files, a.s and b.s
a.s
```
fn1:
ret
.data
data1:
.word 0
```
b.s
```
fn2:
ret
```
Now, fn1 and fn2 will be both placed in the .text section as intended if
the two files are compiled separately. But if we merge them the `.data`
flag ends up placing fn2 in the wrong section!
This fixes a nasty crash where musl's memset ended up in the
non-executable data segment, leading to too many hours of
head-scratching.
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Sadly due to a workaround for LLD linker limitations on macOS
we cannot put libuserland into an .a file; instead we have to use object
files. Again due to linker limitations, bundling compiler_rt.o into
another relocatable object also doesn't work. So we're left with
disabling stack probing on macOS for the stage1 self-hosted code.
These workarounds could all be removed if the macos support in the LLD
linker improved, or if Zig project had its own linker that did not have
these issues.
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and use it when building libuserland.a
The self-hosted part of stage1 relies on zig's compiler-rt, and so we
include it in libuserland.a.
This should potentially be the default, but for now it's behind a linker
option.
self-hosted translate-c: small progress on translating functions.
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Enabled on non-Windows systems only since it already requires stack
probes.
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zig --help -> ok
zig --help --c-source -> ok
zig --c-source --help -> crash [fixed]
'i' was being incremented without regard for the 'argc' limit, so
we were running off the end of 'argv'.
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Previously, `zig fmt` on the stage1 compiler (which is what we currently
ship) would perform what equates to `zig run std/special/fmt_runner.zig`
Now, `zig fmt` is implemented with the hybrid zig/C++ strategy outlined
by #1964.
This means Zig no longer has to ship some of the stage2 .zig files, and
there is no longer a delay when running `zig fmt` for the first time.
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Closes: #2165
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This modifies the build process of Zig to put all of the source files
into libcompiler.a, except main.cpp and userland.cpp.
Next, the build process links main.cpp, userland.cpp, and libcompiler.a
into zig1. userland.cpp is a shim for functions that will later be
replaced with self-hosted implementations.
Next, the build process uses zig1 to build src-self-hosted/stage1.zig
into libuserland.a, which does not depend on any of the things that
are shimmed in userland.cpp, such as translate-c.
Finally, the build process re-links main.cpp and libcompiler.a, except
with libuserland.a instead of userland.cpp. Now the shims are replaced
with .zig code. This provides all of the Zig standard library to the
stage1 C++ compiler, and enables us to move certain things to userland,
such as translate-c.
As a proof of concept I have made the `zig zen` command use text defined
in userland. I added `zig translate-c-2` which is a work-in-progress
reimplementation of translate-c in userland, which currently calls
`std.debug.panic("unimplemented")` and you can see the stack trace makes
it all the way back into the C++ main() function (Thanks LemonBoy for
improving that!).
This could potentially let us move other things into userland, such as
hashing algorithms, the entire cache system, .d file parsing, pretty
much anything that libuserland.a itself doesn't need to depend on.
This can also let us have `zig fmt` in stage1 without the overhead
of child process execution, and without the initial compilation delay
before it gets cached.
See #1964
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This fixes comes thanks to Rich Felker from the musl libc project,
who gave me this crucial information:
"to satisfy the abi, your init code has to write the same value
to that memory location as the value passed to the [arch_prctl]
syscall"
This commit also changes the rules for when to build statically
by default. When building objects and static libraries, position
independent code is disabled if no libraries will be dynamically
linked and the target does not require position independent code.
closes #2063
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The `--` double-hyphen is now used to end further `zig` processing
of command line options. All arguments after `--` will be passed
on to the executable. eg. `--help` will be passed on.
`zig run foo.zig -- --help`
closes #2148
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