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- Instead of treating individual program functions as managed ucode types,
demote uc_function_t values to pointers into a uc_program_t entity
- Promote uc_program_t to a managed type
- Let uc_closure_t claim references to the owning program of the enclosed
uc_function_t
- Redefine public APIs uc_compile() and uc_vm_execute() APIs to return and
expect an uc_program_t object respectively
- Remove vallist indirection for function loading and let the compiler
emit the function id directly when producing function construction code
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Extend source objects with a `runpath` field which contains the original
path of the source being executed by the VM.
When instantiating source objects from file paths, the `runpath` will be
set to the `filename`. When instantiating source buffers using
`uc_source_new_buffer()`, the runpath is initially unset.
A new function `uc_source_runpath_set()` can be used to adjust the runtime
path being associated with a source object.
Extend bytecode loading logic to set the source buffer runtime path to the
precompiled bytecode file path being loaded and executed. This is required
for `sourcepath()` and relative paths in `include()` to function correctly
when executing precompiled programs.
Finally rename `uc_program_from_file()` and `uc_program_to_file()` to
`uc_program_load()` and `uc_program_write()` respectively since the load
part now operates on an `uc_source_t` input buffer instead of a plain
`FILE *` handle.
Adjust users of these API functions accordingly.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Introduce new command line flags `-o` and `-O` to write compiled program
code into the specified output file
- Add support for transparently executing precompiled files, the
lexical analyzing and com,pilation phase is skipped in this case
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Move source object pointer into program entity which is referenced by
each function
- Move lineinfo related routines into source.c and use them from lexer.c
since lineinfo encoding does not belong into the lexical analyzer.
- Implement initial infrastructure for detecting source file type,
this is required later to differentiate between plaintext and
precompiled bytecode files
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Instead of storing constant values per function, maintain a global program
wide list for all constant values within the current compilation unit.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Introduce a new "program" entity which holds the list of functions
created during compilation
- Instead of storing pointers to the in-memory function representation
in the constant list, store the index of the function within the
program's function list
- When loading functions from the constant list, retrieve the function
by index from the program entity
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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