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2021-03-08fs: make error function available on directory, process and file handlesJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2021-03-08fs: fix readlink() return valueJo-Philipp Wich
The fs.readlink() function incorrectly produced a JSON string containing trailing null bytes. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2021-02-17treewide: rewrite ucode interpreterJo-Philipp Wich
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>
2020-11-19treewide: rebrand to ucodeJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-11-15fs: extend process close() function to return program exit codeJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-11-10fs: do not close stdio streams when gc'ing scopeJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-10-19eval: record correct source contexts in call stackJo-Philipp Wich
Also handle calls to C functions. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-10-06fs: add stdio handlesJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-20treewide: rework extended type handlingJo-Philipp Wich
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>
2020-09-11fs: implement getcwd() and chdir()Jo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-10treewide: eliminate unused function argumentsJo-Philipp Wich
Also introduce convenience macro for registering function arrays in modules. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-09fs: implement popen()Jo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-08fs: rename readdir() and closedir() to read() and close() respectivelyJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-08fs: fix file seek() return valueJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-08fs: fix crash when closing file handle twiceJo-Philipp Wich
We need to clear the file handle pointer after closing the file to avoid invoking the dtor later. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-08fs: implement seek() and tell() for directory handlesJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-06fs: use ARRAY_SIZE macroJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-06fs: add further filesystem functionsJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-06treewide: refactor internal AST structuresJo-Philipp Wich
- unify operand and value tag structures - use a contiguous array for storing opcodes - use relative offsets for next and children ops - defer function creation to runtime - rework "this" context handling by storing context pointer in scope tags Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-09-02lib: introduce filesystem moduleJo-Philipp Wich
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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