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- Switch JSDoc theme to "clean-jsdoc-theme"
- Add some custom CSS and JS tweaks to the theme
- Use a condensed README.md for the toplevel directory
- Include a longer README.md in the documentation portal
- Tweak JSDoc annotations for better output results
- Register `ucode.mein.io` CNAME
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Add JSDoc documentation blocks to all exported math functions.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Add a new `isnan()` convenience function to the math library which can
be used to test if a given value is a NaN double.
The same test can be realized without the math library by using a function
similar to the following one:
function isNaN(x) {
return x != x;
}
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Parse integer literals as unsigned numeric values in order to be able
to represent the entire unsigned 64bit value range
- Stop parsing minus-prefixed integer literals as negative numbers but
treat them as separate minus operator followed by a positive integer
instead
- Only store unsigned numeric constants in bytecode
- Rework numeric comparison logic to be able to handle full 64bit
unsigned integers
- If possible, yield unsigned 64 bit results for additions
- Simplify numeric value conversion API
- Compile code with -fwrapv for defined signed overflow semantics
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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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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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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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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