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* py: Allocate memory for assembled code at start of PASS_EMIT.Damien George2015-01-14
| | | | | Previously was allocating at end of PASS_COMPUTE, and this pass was being run twice, so memory was being allocated twice.
* travis, minimal: Install gcc-multilib for -m32; use /bin/echo for test.Damien George2015-01-14
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* py: Reluctantly add an extra pass to bytecode compiler.Damien George2015-01-14
| | | | | | | | | | | | | | | Bytecode also needs a pass to compute the stack size. This is because the state size of the bytecode function is encoded as a variable uint, so we must know the value of this uint before we encode it (otherwise the size of the generated code changes from one pass to the next). Having an entire pass for this seems wasteful (in time). Alternative is to allocate fixed space for the state size (would need 3-4 bytes to be general, when 1 byte is usually sufficient) which uses a bit of extra RAM per bytecode function, and makes the code less elegant in places where this uint is encoded/decoded. So, for now, opt for an extra pass.
* py, unix: Trace root pointers with native emitter under unix port.Damien George2015-01-14
| | | | | | Native code has GC-heap pointers in it so it must be scanned. But on unix port memory for native functions is mmap'd, and so it must have explicit code to scan it for root pointers.
* py: Make compiler not crash when default except is not last.Damien George2015-01-13
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* py/showbc.c: Handle new LOAD_CONST_OBJ opcode, and opcodes with cache.Damien George2015-01-13
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* py: Never intern data of large string/bytes object; add relevant tests.Damien George2015-01-13
| | | | | | | | | | Previously to this patch all constant string/bytes objects were interned by the compiler, and this lead to crashes when the qstr was too long (noticeable now that qstr length storage defaults to 1 byte). With this patch, long string/bytes objects are never interned, and are referenced directly as constant objects within generated code using load_const_obj.
* py: Add load_const_obj to emitter, add LOAD_CONST_OBJ to bytecode.Damien George2015-01-13
| | | | | This allows to directly load a Python object to the Python stack. See issue #722 for background.
* minimal: Add simple test; build and run minimal test on Travis CI.Damien George2015-01-13
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* minimal/Makefile: Remove unnecessary -I of py/ dir.Damien George2015-01-13
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* minimal: Add "run" make target to run emulated build with suitable tty config.Paul Sokolovsky2015-01-13
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* minimal: Convert "bare-arm" port to "minimal" port.Paul Sokolovsky2015-01-13
| | | | | This enable libc functions, GC, and line-editing function. Also, UART emulation for POSIX systems is added. Emulation build is set as default.
* minimal: New port, intended to represent minimal working code.Paul Sokolovsky2015-01-13
| | | | | | | | | Unlike bare-arm, which is mostly intended to show raw interpreter size, without library and support code dependencies. This port is intended to be a better base to start new ports, and also will include emulation build to allow debug some aspects of embedded targets on POSIX systems. This initial commit is verbatim copy of bare-arm code.
* py: Allow to compile with -Wstrict-prototypes.Damien George2015-01-12
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* py: Allow to compile with -Wredundant-decls.Damien George2015-01-12
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* py, unix, lib: Allow to compile with -Wold-style-definition.Damien George2015-01-12
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* py: Can compile with -Wmissing-declarations and -Wmissing-prototypes.Damien George2015-01-12
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* py: Make a function static and comment out those not used.Damien George2015-01-12
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* py, unix: Allow to compile with -Wdouble-promotion.Damien George2015-01-12
| | | | Ref issue #699.
* qemu-arm: Disable basics/memoryerror.py test.Damien George2015-01-12
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* stmhal: Add MICROPY_HW_USB_OTG_ID_PIN config, set for relevant boards.Damien George2015-01-12
| | | | | | | | | This config option is for the USB OTG pin, pin A10. This is used on some boards but not others. Eg PYBv3 uses PA10 for LED(2), so it shouldn't be used for OTG ID (actually PA10 is multiplexed on this board, but defaults to LED(2)). Partially addresses issue #1059.
* travis: grep for failure in qemu-arm output if tests fail.Damien George2015-01-12
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* windows: Enable MICROPY_STACK_CHECK.Damien George2015-01-12
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* qemu-arm: Enable GC and native code-gen; enable more tests.Damien George2015-01-12
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* lib/mp-readline: Refactor to support coroutine/event-driven usage.Paul Sokolovsky2015-01-12
| | | | | | readline_process_char() can be fed character by character, for example, received from external event loop. This will allow to integrate MicroPython into cooperative multitasking systems.
* teensy: Update for readline module moved to lib/.Paul Sokolovsky2015-01-12
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* esp8266: Update for readline module moved to lib/.Paul Sokolovsky2015-01-12
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* stmhal: Move readline code to lib/mp-readline/.Paul Sokolovsky2015-01-12
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* py/makeqstrdata.py: Make it work again with both Python2 and Python3.Damien George2015-01-11
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* py: Add MICROPY_QSTR_BYTES_IN_LEN config option, defaulting to 1.Damien George2015-01-11
| | | | | | | | | | | | | | | | | | This new config option sets how many fixed-number-of-bytes to use to store the length of each qstr. Previously this was hard coded to 2, but, as per issue #1056, this is considered overkill since no-one needs identifiers longer than 255 bytes. With this patch the number of bytes for the length is configurable, and defaults to 1 byte. The configuration option filters through to the makeqstrdata.py script. Code size savings going from 2 to 1 byte: - unix x64 down by 592 bytes - stmhal down by 1148 bytes - bare-arm down by 284 bytes Also has RAM savings, and will be slightly more efficient in execution.
* py: Add qstr cfg capability; generate QSTR_NULL and QSTR_ from script.Damien George2015-01-11
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* py: Remove unnecessary BINARY_OP_EQUAL code that just checks pointers.Damien George2015-01-11
| | | | | | | Previous patch c38dc3ccc76d1a9bf867704f43ea5d15da3fea7b allowed any object to be compared with any other, using pointer comparison for a fallback. As such, existing code which checked for this case is no longer needed.
* py: Implement fallback for equality check for all types.Damien George2015-01-11
| | | | | Return "not equal" for objects that don't implement equality check. This is as per Python specs.
* py: Add (commented out) code to gc_dump_alloc_table for qstr info.Damien George2015-01-11
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* py/makeqstrdata.py: Add more allowed qstr characters; escape quot.Damien George2015-01-11
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* py: Fix hard-coded hash for empty qstr (was 0x0000 now 0x1505).Damien George2015-01-11
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* py: Add config option MICROPY_COMP_MODULE_CONST for module consts.Damien George2015-01-10
| | | | | | Compiler optimises lookup of module.CONST when enabled (an existing feature). Disabled by default; enabled for unix, windows, stmhal. Costs about 100 bytes ROM on stmhal.
* tests: Make ffi_callback.py be able to run on uclibc and macosx.Paul Sokolovsky2015-01-10
| | | | Similar to ffi_float.py.
* py: Fix handling of "0" mpz in some functions.Damien George2015-01-09
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* stmhal: Reclaim 72 bytes of stack by factoring out flash init code.Damien George2015-01-09
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* py: Make mem_info print correct remaining stack bytes.Damien George2015-01-09
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* windows: Enable MICROPY_PY_MICROPYTHON_MEM_INFO.Damien George2015-01-09
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* py: Add MICROPY_PY_MICROPYTHON_MEM_INFO to enable mem-info funcs.Damien George2015-01-09
| | | | | | This allows to enable mem-info functions in micropython module, even if MICROPY_MEM_STATS is not enabled. In this case, you get mem_info and qstr_info but not mem_{total,current,peak}.
* py: Disable stack checking by default; enable on most ports.Damien George2015-01-09
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* qemu-arm: Add 'test' target to Makefile to run and verify test suite.Damien George2015-01-09
| | | | | | | Replaces RUN_TEST=1 definition; now "make test" in qemu-arm directory will run tests/basics/ and check that they all succeed. This patch also enables the test on Travis CI.
* docs: Add note about maximum frequency of busses.Damien George2015-01-08
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* qemu-arm: Get "make RUN_TESTS=1" compiling after changes to core.Damien George2015-01-08
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* qemu-arm: Set stack limit in main.Damien George2015-01-08
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* stmhal: Allow to build without float support if wanted.Damien George2015-01-08
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* tests: Add test for when instance member overrides class member.Damien George2015-01-08
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