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The reorder() function takes no `name` parameter, this was a copy-paste
error in the documentation.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Make all functions clear the last error information on success in order to
ensure that `error()` never reports stale information.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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When invoked with an explicit package name argument, retain the autoloaded
configuration within the context state.
Fixes: #188
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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In case `uci.cursor.configs()` is invoked with a completely empty
configuration directory, the empty configuration list is not free
before returning the `UCI_ERR_NOTFOUND` status.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Add complete JSDoc documentation coverage for the uci module.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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A uci commit operation may invalidate the package pointer, leading to an
infinite loop while iterating the packages to commit.
Refactor the code to first build a string list of configurations, then
iterating it in order to avoid the iterator invalidation.
While we're at it, also allow restricting save and revert operations to
single configs, which was rejected as invalid before.
Fixes: #146
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Functions that use `uci_lookup_ptr()` internally, such as `ctx.get()`,
`ctx.set()` or `ctx.delete()`, implicitly load the given configuration
name while the higher level functions `ctx.foreach()` or `ctx.get_first()`
do not.
This behaviour violates the principle of least surprise and might lead to
non-deterministic program behavior as the outcome of these functions
depends on prior uci operations performed on the cursor.
Fix this issue by invoking `uci_load()` internally in case the given
uci package name cannot be found in the cursor's package cache.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Fix instances of misspelled "resource".
This commit breaks the exported libucode ABI.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Ensure that most functions follow the subject_verb naming schema
- Move type related function from value.c to types.c
- Rename value.c to vallist.c
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Ensure that all custom typedef and vector declaration type names end with
a "_t" suffix.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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The naming is an artifact from before the introduction of the new type
system. In the current code, there is nothing special about prototypes,
they're simple object values.
Also introduce a new singular uc_add_function() convenience macro while
we're at it.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Shuffle typedefs to avoid need for non-compliant forward declarations
- Fix non-compliant empty struct initializers
- Remove use of braced expressions
- Remove use of anonymous unions
- Avoid `void *` pointer arithmetic
- Fix several warnings reported by gcc -pedantic mode and clang 11 compilation
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Instead of relying on json_object values internally, use custom types to
represent the different ucode value types which brings a number of
advantages compared to the previous approach:
- Due to the use of tagged pointers, small integer, string and bool
values can be stored directly in the pointer addresses, vastly
reducing required heap memory
- Ability to create circular data structures such as
`let o; o = { test: o };`
- Ability to register custom `tostring()` function through prototypes
- Initial mark/sweep GC implementation to tear down circular object
graphs on VM deinit
The change also paves the way for possible future extensions such as
constant variables and meta methods for custom ressource types.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Check the numerical error code index before attempting to look it up in
the error string array.
Also make error function available on the cursor instance as well.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Replace the former AST walking interpreter implementation with a single pass
bytecode compiler and a corresponding virtual machine.
The rewrite lays the groundwork for a couple of improvements with will be
subsequently implemented:
- Ability to precompile ucode sources into binary byte code
- Strippable debug information
- Reduced runtime memory usage
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Also handle calls to C functions.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Register prototype object directly together with the type instead of
setting it manually whenever an extended type value is instantiated.
This also allows freeing the various prototype objects in dlopened
modules.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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