Currently, ZiglingStep prints the raw exercise output. This is not a
problem when executing `zig build` from the shell, but in a unit test it
is necessary to know when the exercise output ends.
Document that Exercise.output should not have trailing whitespace.
Ensure this is true by adding a check in the validate_exercises
function.
Remove trailing whitespace in exercises 68 and 99.
Simplify the output validation in ZiglingStep.makeInternal.
Checking that the length of the actual and expected output is the same
is not necessary, since trailing whitespace has been removed. Simply do
an exact comparison.
Print the trimmed exercise output, instead of the raw output.
This will ensure that the exercise output always ends with only one LF
character.
Fix some small coding style issues.
In same cases, the progress messages from the compiler are intermixed
with the messages printed by ZiglingStep.
This intermixing appears in two cases:
- when printing, e.g., the message "Checking 0_arrays2.zig..."
- when printing the compiler errors
Closes#230
Move the code for printing compiler errors and messages to the new
ZiglingStep.printErrors method.
Call printErrors in the Zigling.doCompile method, both in the normal and
error flow.
When handling an error from the Zig IPC, add the case when the compiler
was unable to return the executable path.
Before using the IPC, the error was
"The following command exited with error code 1"
now it is
"The following command failed to communicate the compilation result"
Commit e214c44 (build: update ZiglingStep to the new API) broke again
the compatibility support for old compilers, due to the use of the
multi-object for loop syntax.
Move the Zig IPC support code to src/ipc.zig.
Use the while statement, instead of the for statement.
Update the code to the breaking change in ziglang
commit c96cb98ad (CLI: remove --enable-cache option).
Replace the --enable-cache option with the --listen=- option and use the
Zig IPC to get the path to the executable.
Closes#236
The special case was added because it was used by the Eowyn github
workflow.
As a side effect, however, it prevents testing the normal case used by
users.
Disable it, until a better solution is found.
Update the code to the breaking change in ziglang commit
60eabc0ec (std.Build.CompileStep: remove run() and install())
Update the zig version in the README.md file.
Update PrintStep to always printing to stderr, using std.debug.print, so
that the message is written atomically.
Note that currently it is not an issue, since PrintStep prints the
message before everything else.
Initialize the first step in the chain to the header_step, instead of
making the code more complex handling the first step as a special case
in the for loop.
Commit 0d56ba3 (build: restore the exercise chain) broke the
compatibility support for old compilers, due to the use of the
multi-object for loop syntax.
Use the normal for loop syntax; the change still keep the code readable.
Use the variable `n`, instead of `i`, when referring to the exercise
number; this will improve the readability.
Closes#227
Simplify the code finding the exercise number from the exercise index,
when the -Dn option is set. This is now possible since the exercise
numbers have no holes.
Add the validate_exercises function to check that exercise number are in
the correct order, and call it at the start of the build function.
Add tests, with 2 test cases.
Currently, exercises not working with the current Zig compiler are
commented. This is problematic, since the exercise key and exercise
index are no longer consistent.
Add the skip field to the Excercise struct. Update ZiglingStep to
support it and add a new SkipStep step to support it when using the
standard build step.
When running, as an example, `zig build -Dhealed -Dn=93 test`, the build
fails, because the `test` step use the standard CompileStep, instead of
ZiglingStep.
Ensure that exercises using libc are correctly built.
Closes#229
The eowyn.sh script is used in a github workflow, but after
commit 0d56ba3 (build: restore the exercise chain), the github action
will take more time to complete.
Enable full build parallelism, when -Dhealed is true and -Dn is null.
Use the standard CompileStep and RunStep, instead of ZiglingStep.
On my PC, this change reduces the build time by about 30%.
The new parallel build support in Zig broke the exercise chain, so that
each esercise check is no longer strictly serialized.
1. Add the Dexno option, in order to isolate the chain starting from a
named exercise from the normal chain, thus simplify the code.
The current code have an additional issue: it added 4 x n steps,
making reading the help message or the list of steps very hard.
Add only the `install`, `uninstall`, `zigling`, `test` and `start`
steps. The last three steps match the old steps `n`, `n_test` and
`n_start`.
The default step is zigling (note the singular form).
The `install` step override the builtin install step, showing a
custom description and matches the old `n_install` step.
The uninstall step was added for consistency, so that the
description is consistent.
Setup a new chain starting at `zig build -Dexno=n start` so that it
is stricly serialized.
The behavior should be the same as the old one.
2. Handle the code for all the exercises separately.
Add only the `ziglings step`, making it the default step, in
addition to the install and uninstall steps.
Setup a new chain starting at the first exercise, to that it is
strictly serialized.
The behavior should be the same as the old one.
The current code has a know issue: the messages from the ZiglingStep and
the ones from the compiler compilation progress are interleaved, but each
message is written atomically, due to the use of `std.debug.getStderrMutex()`.
Update the README.md file.
Closes#202
Replace the description of the named_install step from
"Install {s} to zig-cache/bin" to "Copy {s} to prefix path". The latter
has been adapded from the description of the builtin install step.
Ad an empty line before the build_step variable, in order to improve
readability.
Closes#213
Remove the logo step, and use PrintStep for the header step.
The logo step was added as a quick fix after the Builder.addLog function
was removed.
Now the logo is no longer shown when running `zig build -l` or
`zig build -h`.
The version check for Zig 0.6.0 was incorrect since commit
971ab7f (Use a zig build script to run ziglings).
Move compatibility support to a separate file, in order to simplify
build.zig.
In case of incompatible version, exit with code 3 instead of 0, in order
to detect the case of failure in a test (to be implemented).
Remove the use of comptime when checking compatibility at the start of
the build function, since it is not necessary.
Closes#210.
Currently, the logo is always printed when the build script is executed,
resulting in the logo being printed twice with `zig build -h` and
`zig build -l`.
Make the logo a build step, so that the logo is printed to stderr only
when necessary.
Closes#211
1. All exercises should print a trailing \n
2. The build script should always show you _exactly_ what it's looking
for when you get it wrong. Therefore, .output should be set to the
exact expected output.
When I hit 999 exercises, I will finally have reached the ultimate
state of soteriological release and no more exercises will be needed.
The cycle will be complete. All that will be left is perfect quietude,
freedom, and highest happiness.
A plain `zig build` was exiting as expected after the version check
failure did an early 'return'.
But `zig build 01` (specifying a step) would print the fail message
and then continue...but fail to find the step (which was not added).
Calling `exit()` solves this. Calling it with an error status code
causes vomiting in the build system (since, you know, there was an
error). So returning with `exit(0)` is the way to go here.
