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Author SHA1 Message Date
James Shubin
04d54e8d82 engine: resources: Mask normal closing error 
This could possibly be fixed upstream, but we'll workaround it for now.
 2023-11-22 22:11:50 -05:00
James Shubin
c6c0d3d420 lang: funcs: dage: Move much logging behind debug flag 
Most of this logging isn't useful for ordinary usage. Hide it for now.
Eventually when we have a fancy logging system (curses-like) we can
bring back more information on the state of everything.
 2023-11-22 22:10:38 -05:00
James Shubin
f4d70068b1 engine: resources: Add a default NBP option to dhcp:server 
This let's us do some overrides and is a good alternative since
send/recv+autogrouping doesn't work yet.
 2023-11-22 20:22:50 -05:00
James Shubin
3fe5a8d0d6 mod: Update tftp libraries 2023-11-22 20:21:40 -05:00
James Shubin
29a124900c mod: Update dhcp libraries 2023-11-22 20:21:40 -05:00
James Shubin
6670407c9c engine: resources: Make net resource reversible 
This allows the net resource to be reversible if we want it to be. It
only flips the network state from up to down or vice-versa.
 2023-11-22 20:21:40 -05:00
James Shubin
641b6067cd engine: resources: Remove net config file on down 
This cleans up the file we would have created when building the resource.
 2023-11-22 20:21:40 -05:00
James Shubin
b1d61fa90b engine: resources: Ignore cleanup errors that don't matter 
If the file is already gone, ignore it.
 2023-11-22 20:21:40 -05:00
James Shubin
0c93cf2600 engine: resources: Add constants for state up and down 
Safer and cleaner code.
 2023-11-22 20:21:40 -05:00
James Shubin
53753c0932 engine: resources: Improve net error messages 
This is a common case of parse failures for not using CIDR. Make it
cleaner for the user.
 2023-11-22 20:21:40 -05:00
James Shubin
029cfaf1f8 engine, lib: Misc log and comment changes 
Just misc polishing.
 2023-11-22 20:21:40 -05:00
James Shubin
66edc39ccb engine: resources: Improve exec docs 
So that I don't hit this too often.
 2023-11-22 20:21:40 -05:00
James Shubin
3f42f785ac engine: resources: Handle recurse field more appropriately 
This smoothes out some edge cases. We should add comprehensive tests in
the future.
 2023-11-22 20:21:40 -05:00
James Shubin
fd4d32351b engine: resources: Refactor file mode code 
Small cleanup in old code.
 2023-11-22 20:21:40 -05:00
James Shubin
75d3895e84 engine: Improve logging for resources and exec 
This makes things a bit clearer and fixes some silly formatting bugs.
 2023-11-22 20:21:40 -05:00
James Shubin
d022d7f09e engine: resources: Rename the value field in value resource 
Having a different name makes it more obvious, and also leaves us open
to add a string or bool field for more explicit typing.
 2023-11-18 15:15:33 -05:00
James Shubin
88b414b9a3 engine: resources: Add new value resource 
This is a strange resource which is probably most useful for passing
values between scopes. It supports a variant resource field, and should
only be used as a last resort and if you know exactly what you're doing.
 2023-11-18 14:23:31 -05:00
James Shubin
47c441ba40 lang: Test the resource engine briefly 
We run the resource engine once and look at its values. This is useful
for testing send/recv in particular.

The converger code is probably not working properly. We'll look into
that subsequently if this gets used a lot.
 2023-11-18 13:45:46 -05:00
James Shubin
7105e38544 engine: util: Remove the ValueOf hack 
We've got something in the core utility function now.
 2023-11-18 13:45:46 -05:00
James Shubin
4b0cdf9123 lang: types, engine: graph: Support pointer interfaces 
If we have rare, but special *interface{} values in resource structs, we
should be able to handle them normally. It's really not recommended that
you use these unless you know exactly why they are useful.
 2023-11-18 13:35:52 -05:00
James Shubin
1c9fdc79c0 engine: util: Add a workaround for printing special resources 
This let's our tests compare strings of interface fields!
 2023-11-18 13:35:52 -05:00
James Shubin
90d04990ca engine, lang: Add an AST test that looks at fields too 
This gives us more options for testing when we need those kinds of more
extensive resource examination features.
 2023-11-18 13:35:52 -05:00
James Shubin
aa001ed2dc engine: graph: Improve error message for rare case 
Not sure if we ever hit this, but we should fix it up since I noticed
it.
 2023-11-18 13:35:52 -05:00
James Shubin
ce1c37dbca lang: Rename a var for consistency 
This is going to get used by a future package.
 2023-11-15 17:55:47 -05:00
James Shubin
3a3bc568b3 engine: Allow more send/recv cases 
This allows the other part of this. This still needs to be improved, but
it unblocks some use-cases.
 2023-11-12 17:50:07 -05:00
James Shubin
b048b2684b engine, lang: Allow resources with a field of type interface 
This lets us add a resource that has an implementation with a field
whose type is determined at compile time. This let's us write more
flexible resources.

What's missing is additional type checking so that we guarantee that a
specific resource doesn't change types during run-time.
 2023-11-12 17:25:03 -05:00
James Shubin
9a1a81925e engine: Improve error messages for ambiguity 
This appears twice, make each one unique.
 2023-11-12 17:09:50 -05:00
James Shubin
e38f3cc12c lang: types: Let the fancy TypeOf method match interfaces 
This adds the functionality to match on interface kinds.
 2023-11-12 16:14:38 -05:00
James Shubin
4fb356b19b engine: graph: Refactor the send/recv code to inline it 
This is useful subsequently.
 2023-11-12 16:13:04 -05:00
James Shubin
cb6b8a9670 engine: util: Refactor code for future changes 
This makes things a bit cleaner and easier to follow and accepts future
patches easier.
 2023-11-12 15:26:44 -05:00
James Shubin
efc5237265 lang: types: Improve error handling of value code 
We can give a bit more feedback and try and also catch a rare scenario.
 2023-11-12 15:24:16 -05:00
James Shubin
cb999af653 engine: Improve debugging for invalid send/recv res 
If we don't implement send/recv properly, at least give the user more
information as to where.
 2023-11-12 15:21:08 -05:00
James Shubin
8d7d2fb1f1 engine: resources: Add missing struct tags for password res 
Just noticed these.
 2023-11-04 16:59:09 -04:00
James Shubin
eaff060bf9 lang: ast: Add missing backtick 
Purely a formatting fix.
 2023-11-04 16:57:41 -04:00
James Shubin
6cc5adcd25 lang, test, examples: lang: Use new syntax for structlookup 
Sugar makes the world go round.
 2023-11-04 14:52:19 -04:00
James Shubin
233625db20 lang: parser: Lexer should allow in keyword as a variable name 
We move it downwards to allow this case. Whether we want to allow this
long-term or not is to be decided.
 2023-11-04 14:37:19 -04:00
James Shubin
96093984e4 test, examples: lang: Add new syntax for map lookup 
Sugar at last!
 2023-10-17 15:32:13 -04:00
James Shubin
ea0af4dc43 lang: parser: Add lookup functions to lexer/parser 
This seems to make things work. I'm worried I might have an ordering bug
where we might choose the wrong precedence if we write ambiguous code
somehow, but at least for now, let's commit this and move on. Hopefully
the nonassoc stuff is actually correct.
 2023-10-17 15:21:18 -04:00
James Shubin
8fa5241a13 lang: funcs: Add struct lookup with an optional field 
This adds an interesting version of the struct lookup function. In the
situation where we can't type-check the field name, it will use the
optional value passed in. This makes it easy to write a function that
will pull in the desired value, even as the input struct changes type
between compilations, without having to re-write your code.

It's structurally different from the other default lookup functions,
which is why it is named differently.
 2023-10-17 15:21:18 -04:00
James Shubin
e38eb43955 lang: funcs: Add core lookup functions 
These versions don't take defaults and instead return the zero value if
there is an issue.
 2023-10-17 15:21:18 -04:00
James Shubin
3b46e88734 lang: types: Improve docs for New and initialize the list 
If we use this to generate a zero value, we want to make sure it's
completely initialized in case we use it subsequently. We also improve
the docs at the same time.
 2023-10-17 15:21:18 -04:00
James Shubin
d6a58f33f3 lang: funcs: Add lookup default func for list or map 
This version requires you specify the default value.
 2023-10-17 15:21:18 -04:00
James Shubin
d1c15bd0b7 lang: funcs: Rename the lookup functions 
This will make things more consistent with future use.
 2023-10-17 15:21:18 -04:00
James Shubin
1dc6ebbffc lang: funcs: Fix one small typo and one small logic bug 
I don't think the logic bug had any negative effect, but let's be safe.
 2023-10-17 15:21:18 -04:00
James Shubin
ee1e07f3d7 lang: funcs: Rename T2 to T3 for future consistency 
This makes things more symmetrical with the maplookup function.
 2023-10-17 15:21:18 -04:00
James Shubin
9e7b7fbb3a lang: parser: Define variable identifier in the parser 
Instead of in the lexer. I think this simplifies things and gives the
parser more information which should hopefully make it easier to parse
without shift/reduce conflicts.
 2023-10-17 15:21:18 -04:00
James Shubin
04fd330733 test: Improve parser indentation test 
We need to be fancier with our regexp now that pipes are in the grammar.
Don't match them in comments of course!
 2023-10-17 15:21:18 -04:00
James Shubin
361b671799 lang: Clean up test 2023-10-11 17:56:25 -04:00
James Shubin
b8f8ec8aa3 lang: parser, funcs: Take out the built-in history function 
It's a normally named function for now, until we think of a common
package to move it into.

Hopefully this makes improving the lexer and parser easier for now. We
can consider bringing it back if needed.
 2023-10-09 17:19:08 -04:00
James Shubin
05d570d250 lang: parser, funcs: Change the logical operators to OR, AND, NOT 
This makes it easier to read for some, and easier to parse for us. This
also frees up more characters to use elsewhere.
 2023-10-09 17:19:08 -04:00