555 lines
16 KiB
C
555 lines
16 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// This file contains default configuration settings for MicroPython.
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// You can override any of the options below using mpconfigport.h file
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// located in a directory of your port.
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// mpconfigport.h is a file containing configuration settings for a
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// particular port. mpconfigport.h is actually a default name for
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// such config, and it can be overriden using MP_CONFIGFILE preprocessor
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// define (you can do that by passing CFLAGS_EXTRA='-DMP_CONFIGFILE="<file.h>"'
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// argument to make when using standard MicroPython makefiles).
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// This is useful to have more than one config per port, for example,
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// release vs debug configs, etc. Note that if you switch from one config
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// to another, you must rebuild from scratch using "-B" switch to make.
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#ifdef MP_CONFIGFILE
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#include MP_CONFIGFILE
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#else
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#include <mpconfigport.h>
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#endif
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// Any options not explicitly set in mpconfigport.h will get default
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// values below.
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/*****************************************************************************/
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/* Memory allocation policy */
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// Initial amount for lexer indentation level
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#ifndef MICROPY_ALLOC_LEXER_INDENT_INIT
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#define MICROPY_ALLOC_LEXER_INDENT_INIT (10)
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#endif
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// Increment for lexer indentation level
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#ifndef MICROPY_ALLOC_LEXEL_INDENT_INC
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#define MICROPY_ALLOC_LEXEL_INDENT_INC (8)
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#endif
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// Initial amount for parse rule stack
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#ifndef MICROPY_ALLOC_PARSE_RULE_INIT
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#define MICROPY_ALLOC_PARSE_RULE_INIT (64)
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#endif
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// Increment for parse rule stack
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#ifndef MICROPY_ALLOC_PARSE_RULE_INC
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#define MICROPY_ALLOC_PARSE_RULE_INC (16)
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#endif
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// Initial amount for parse result stack
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#ifndef MICROPY_ALLOC_PARSE_RESULT_INIT
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#define MICROPY_ALLOC_PARSE_RESULT_INIT (32)
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#endif
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// Increment for parse result stack
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#ifndef MICROPY_ALLOC_PARSE_RESULT_INC
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#define MICROPY_ALLOC_PARSE_RESULT_INC (16)
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#endif
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// Strings this length or less will be interned by the parser
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#ifndef MICROPY_ALLOC_PARSE_INTERN_STRING_LEN
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#define MICROPY_ALLOC_PARSE_INTERN_STRING_LEN (10)
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#endif
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// Initial amount for ids in a scope
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#ifndef MICROPY_ALLOC_SCOPE_ID_INIT
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#define MICROPY_ALLOC_SCOPE_ID_INIT (4)
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#endif
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// Increment for ids in a scope
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#ifndef MICROPY_ALLOC_SCOPE_ID_INC
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#define MICROPY_ALLOC_SCOPE_ID_INC (6)
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#endif
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// Maximum length of a path in the filesystem
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// So we can allocate a buffer on the stack for path manipulation in import
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#ifndef MICROPY_ALLOC_PATH_MAX
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#define MICROPY_ALLOC_PATH_MAX (512)
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#endif
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// Initial size of module dict
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#ifndef MICROPY_MODULE_DICT_SIZE
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#define MICROPY_MODULE_DICT_SIZE (1)
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#endif
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/*****************************************************************************/
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/* Micro Python emitters */
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// Whether to emit CPython byte codes (for debugging/testing)
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// Enabling this overrides all other emitters
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#ifndef MICROPY_EMIT_CPYTHON
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#define MICROPY_EMIT_CPYTHON (0)
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#endif
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// Whether to emit x64 native code
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#ifndef MICROPY_EMIT_X64
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#define MICROPY_EMIT_X64 (0)
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#endif
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// Whether to emit x86 native code
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#ifndef MICROPY_EMIT_X86
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#define MICROPY_EMIT_X86 (0)
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#endif
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// Whether to emit thumb native code
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#ifndef MICROPY_EMIT_THUMB
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#define MICROPY_EMIT_THUMB (0)
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#endif
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// Whether to enable the thumb inline assembler
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#ifndef MICROPY_EMIT_INLINE_THUMB
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#define MICROPY_EMIT_INLINE_THUMB (0)
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#endif
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// Whether to emit ARM native code
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#ifndef MICROPY_EMIT_ARM
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#define MICROPY_EMIT_ARM (0)
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#endif
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// Convenience definition for whether any native emitter is enabled
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#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM)
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/*****************************************************************************/
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/* Compiler configuration */
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// Whether to enable constant optimisation; id = const(value)
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#ifndef MICROPY_COMP_CONST
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#define MICROPY_COMP_CONST (1)
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#endif
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/*****************************************************************************/
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/* Internal debugging stuff */
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// Whether to collect memory allocation stats
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#ifndef MICROPY_MEM_STATS
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#define MICROPY_MEM_STATS (0)
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#endif
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// Whether to build functions that print debugging info:
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// mp_token_show
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// mp_bytecode_print
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// mp_parse_node_print
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#ifndef MICROPY_DEBUG_PRINTERS
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#define MICROPY_DEBUG_PRINTERS (0)
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#endif
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/*****************************************************************************/
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/* Optimisations */
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// Whether to use computed gotos in the VM, or a switch
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// Computed gotos are roughly 10% faster, and increase VM code size by a little
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#ifndef MICROPY_OPT_COMPUTED_GOTO
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#define MICROPY_OPT_COMPUTED_GOTO (0)
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#endif
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/*****************************************************************************/
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/* Python internal features */
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// Whether to include the garbage collector
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#ifndef MICROPY_ENABLE_GC
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#define MICROPY_ENABLE_GC (0)
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#endif
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// Whether to enable finalisers in the garbage collector (ie call __del__)
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#ifndef MICROPY_ENABLE_FINALISER
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#define MICROPY_ENABLE_FINALISER (0)
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#endif
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// Whether to check C stack usage. C stack used for calling Python functions,
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// etc. Not checking means segfault on overflow.
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#ifndef MICROPY_STACK_CHECK
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#define MICROPY_STACK_CHECK (1)
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#endif
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// Whether to have an emergency exception buffer
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#ifndef MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF
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#define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF (0)
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#endif
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#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF
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# ifndef MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE
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# define MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE (0) // 0 - implies dynamic allocation
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# endif
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#endif
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// Whether to include REPL helper function
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#ifndef MICROPY_HELPER_REPL
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#define MICROPY_HELPER_REPL (0)
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#endif
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// Whether to include lexer helper function for unix
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#ifndef MICROPY_HELPER_LEXER_UNIX
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#define MICROPY_HELPER_LEXER_UNIX (0)
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#endif
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// Long int implementation
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#define MICROPY_LONGINT_IMPL_NONE (0)
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#define MICROPY_LONGINT_IMPL_LONGLONG (1)
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#define MICROPY_LONGINT_IMPL_MPZ (2)
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#ifndef MICROPY_LONGINT_IMPL
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#define MICROPY_LONGINT_IMPL (MICROPY_LONGINT_IMPL_NONE)
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#endif
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#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_LONGLONG
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typedef long long mp_longint_impl_t;
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#endif
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// Whether to include information in the byte code to determine source
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// line number (increases RAM usage, but doesn't slow byte code execution)
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#ifndef MICROPY_ENABLE_SOURCE_LINE
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#define MICROPY_ENABLE_SOURCE_LINE (0)
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#endif
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// Whether to include doc strings (increases RAM usage)
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#ifndef MICROPY_ENABLE_DOC_STRING
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#define MICROPY_ENABLE_DOC_STRING (0)
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#endif
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// Exception messages are short static strings
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#define MICROPY_ERROR_REPORTING_TERSE (1)
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// Exception messages provide basic error details
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#define MICROPY_ERROR_REPORTING_NORMAL (2)
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// Exception messages provide full info, e.g. object names
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#define MICROPY_ERROR_REPORTING_DETAILED (3)
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#ifndef MICROPY_ERROR_REPORTING
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#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_NORMAL)
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#endif
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// Float and complex implementation
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#define MICROPY_FLOAT_IMPL_NONE (0)
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#define MICROPY_FLOAT_IMPL_FLOAT (1)
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#define MICROPY_FLOAT_IMPL_DOUBLE (2)
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#ifndef MICROPY_FLOAT_IMPL
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#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_NONE)
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#endif
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#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
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#define MICROPY_PY_BUILTINS_FLOAT (1)
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#define MICROPY_FLOAT_C_FUN(fun) fun##f
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typedef float mp_float_t;
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#elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
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#define MICROPY_PY_BUILTINS_FLOAT (1)
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#define MICROPY_FLOAT_C_FUN(fun) fun
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typedef double mp_float_t;
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#else
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#define MICROPY_PY_BUILTINS_FLOAT (0)
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#endif
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#ifndef MICROPY_PY_BUILTINS_COMPLEX
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#define MICROPY_PY_BUILTINS_COMPLEX (MICROPY_PY_BUILTINS_FLOAT)
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#endif
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// Enable features which improve CPython compatibility
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// but may lead to more code size/memory usage.
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// TODO: Originally intended as generic category to not
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// add bunch of once-off options. May need refactoring later
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#ifndef MICROPY_CPYTHON_COMPAT
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#define MICROPY_CPYTHON_COMPAT (1)
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#endif
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// Whether POSIX-semantics non-blocking streams are supported
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#ifndef MICROPY_STREAMS_NON_BLOCK
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#define MICROPY_STREAMS_NON_BLOCK (0)
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#endif
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// Whether module weak links are supported
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#ifndef MICROPY_MODULE_WEAK_LINKS
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#define MICROPY_MODULE_WEAK_LINKS (0)
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#endif
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/*****************************************************************************/
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/* Fine control over Python builtins, classes, modules, etc */
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// Whether str object is proper unicode
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#ifndef MICROPY_PY_BUILTINS_STR_UNICODE
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#define MICROPY_PY_BUILTINS_STR_UNICODE (0)
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#endif
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// Whether to support bytearray object
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#ifndef MICROPY_PY_BUILTINS_BYTEARRAY
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#define MICROPY_PY_BUILTINS_BYTEARRAY (1)
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#endif
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// Whether to support memoryview object
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#ifndef MICROPY_PY_BUILTINS_MEMORYVIEW
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#define MICROPY_PY_BUILTINS_MEMORYVIEW (0)
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#endif
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// Whether to support set object
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#ifndef MICROPY_PY_BUILTINS_SET
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#define MICROPY_PY_BUILTINS_SET (1)
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#endif
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// Whether to support slice subscript operators and slice object
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#ifndef MICROPY_PY_BUILTINS_SLICE
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#define MICROPY_PY_BUILTINS_SLICE (1)
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#endif
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// Whether to support frozenset object
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#ifndef MICROPY_PY_BUILTINS_FROZENSET
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#define MICROPY_PY_BUILTINS_FROZENSET (0)
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#endif
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// Whether to support property object
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#ifndef MICROPY_PY_BUILTINS_PROPERTY
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#define MICROPY_PY_BUILTINS_PROPERTY (1)
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#endif
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// Whether to support compile function
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#ifndef MICROPY_PY_BUILTINS_COMPILE
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#define MICROPY_PY_BUILTINS_COMPILE (0)
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#endif
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// Whether to set __file__ for imported modules
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#ifndef MICROPY_PY___FILE__
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#define MICROPY_PY___FILE__ (1)
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#endif
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// Whether to provide "array" module. Note that large chunk of the
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// underlying code is shared with "bytearray" builtin type, so to
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// get real savings, it should be disabled too.
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#ifndef MICROPY_PY_ARRAY
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#define MICROPY_PY_ARRAY (1)
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#endif
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// Whether to provide "collections" module
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#ifndef MICROPY_PY_COLLECTIONS
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#define MICROPY_PY_COLLECTIONS (1)
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#endif
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// Whether to provide "math" module
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#ifndef MICROPY_PY_MATH
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#define MICROPY_PY_MATH (1)
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#endif
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// Whether to provide "cmath" module
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#ifndef MICROPY_PY_CMATH
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#define MICROPY_PY_CMATH (0)
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#endif
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// Whether to provide "gc" module
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#ifndef MICROPY_PY_GC
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#define MICROPY_PY_GC (1)
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#endif
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// Whether to return number of collected objects from gc.collect()
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#ifndef MICROPY_PY_GC_COLLECT_RETVAL
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#define MICROPY_PY_GC_COLLECT_RETVAL (0)
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#endif
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// Whether to provide "io" module
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#ifndef MICROPY_PY_IO
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#define MICROPY_PY_IO (1)
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#endif
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// Whether to provide "io.FileIO" class
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#ifndef MICROPY_PY_IO_FILEIO
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#define MICROPY_PY_IO_FILEIO (0)
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#endif
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// Whether to provide "io.BytesIO" class
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#ifndef MICROPY_PY_IO_BYTESIO
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#define MICROPY_PY_IO_BYTESIO (1)
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#endif
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// Whether to provide "struct" module
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#ifndef MICROPY_PY_STRUCT
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#define MICROPY_PY_STRUCT (1)
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#endif
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// Whether to provide "sys" module
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#ifndef MICROPY_PY_SYS
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#define MICROPY_PY_SYS (1)
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#endif
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// Whether to provide "sys.maxsize" constant
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#ifndef MICROPY_PY_SYS_MAXSIZE
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#define MICROPY_PY_SYS_MAXSIZE (0)
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#endif
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// Whether to provide "sys.exit" function
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#ifndef MICROPY_PY_SYS_EXIT
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#define MICROPY_PY_SYS_EXIT (0)
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#endif
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// Whether to provide sys.{stdin,stdout,stderr} objects
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#ifndef MICROPY_PY_SYS_STDFILES
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#define MICROPY_PY_SYS_STDFILES (0)
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#endif
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// Extended modules
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#ifndef MICROPY_PY_UCTYPES
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#define MICROPY_PY_UCTYPES (0)
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#endif
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#ifndef MICROPY_PY_UZLIB
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#define MICROPY_PY_UZLIB (0)
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#endif
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#ifndef MICROPY_PY_UJSON
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#define MICROPY_PY_UJSON (0)
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#endif
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#ifndef MICROPY_PY_URE
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#define MICROPY_PY_URE (0)
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#endif
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#ifndef MICROPY_PY_UHEAPQ
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#define MICROPY_PY_UHEAPQ (0)
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#endif
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#ifndef MICROPY_PY_UHASHLIB
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#define MICROPY_PY_UHASHLIB (0)
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#endif
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#ifndef MICROPY_PY_UBINASCII
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#define MICROPY_PY_UBINASCII (0)
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#endif
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/*****************************************************************************/
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/* Hooks for a port to add builtins */
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// Additional builtin function definitions - see builtintables.c:builtin_object_table for format.
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#ifndef MICROPY_PORT_BUILTINS
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#define MICROPY_PORT_BUILTINS
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#endif
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// Additional builtin module definitions - see builtintables.c:builtin_module_table for format.
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#ifndef MICROPY_PORT_BUILTIN_MODULES
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#define MICROPY_PORT_BUILTIN_MODULES
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#endif
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// Any module weak links - see builtintables.c:mp_builtin_module_weak_links_table.
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#ifndef MICROPY_PORT_BUILTIN_MODULE_WEAK_LINKS
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#define MICROPY_PORT_BUILTIN_MODULE_WEAK_LINKS
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#endif
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// Additional constant definitions for the compiler - see compile.c:mp_constants_table.
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#ifndef MICROPY_PORT_CONSTANTS
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#define MICROPY_PORT_CONSTANTS
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#endif
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/*****************************************************************************/
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/* Miscellaneous settings */
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// On embedded platforms, these will typically enable/disable irqs.
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#ifndef MICROPY_BEGIN_ATOMIC_SECTION
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#define MICROPY_BEGIN_ATOMIC_SECTION() (0)
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#endif
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#ifndef MICROPY_END_ATOMIC_SECTION
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#define MICROPY_END_ATOMIC_SECTION(state) (void)(state)
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#endif
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// Allow to override static modifier for global objects, e.g. to use with
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// object code analysis tools which don't support static symbols.
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#ifndef STATIC
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#define STATIC static
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#endif
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#define BITS_PER_BYTE (8)
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#define BITS_PER_WORD (BITS_PER_BYTE * BYTES_PER_WORD)
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// mp_int_t value with most significant bit set
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#define WORD_MSBIT_HIGH (((mp_uint_t)1) << (BYTES_PER_WORD * 8 - 1))
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// Make sure both MP_ENDIANNESS_LITTLE and MP_ENDIANNESS_BIG are
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// defined and that they are the opposite of each other.
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#if defined(MP_ENDIANNESS_LITTLE)
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|
#define MP_ENDIANNESS_BIG (!MP_ENDIANNESS_LITTLE)
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#elif defined(MP_ENDIANNESS_BIG)
|
|
#define MP_ENDIANNESS_LITTLE (!MP_ENDIANNESS_BIG)
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|
#else
|
|
// Endiannes not defined by port so try to autodetect it.
|
|
#if defined(__BYTE_ORDER__)
|
|
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
#define MP_ENDIANNESS_LITTLE (1)
|
|
#else
|
|
#define MP_ENDIANNESS_LITTLE (0)
|
|
#endif
|
|
#elif defined(__LITTLE_ENDIAN__) || defined(__LITTLE_ENDIAN) || defined (_LITTLE_ENDIAN)
|
|
#define MP_ENDIANNESS_LITTLE (1)
|
|
#elif defined(__BIG_ENDIAN__) || defined(__BIG_ENDIAN) || defined (_BIG_ENDIAN)
|
|
#define MP_ENDIANNESS_LITTLE (0)
|
|
#else
|
|
#error endianness not defined and cannot detect it
|
|
#endif
|
|
#define MP_ENDIANNESS_BIG (!MP_ENDIANNESS_LITTLE)
|
|
#endif
|
|
|
|
// Make a pointer to RAM callable (eg set lower bit for Thumb code)
|
|
// (This scheme won't work if we want to mix Thumb and normal ARM code.)
|
|
#ifndef MICROPY_MAKE_POINTER_CALLABLE
|
|
#define MICROPY_MAKE_POINTER_CALLABLE(p) (p)
|
|
#endif
|
|
|
|
#ifndef MP_PLAT_ALLOC_EXEC
|
|
#define MP_PLAT_ALLOC_EXEC(min_size, ptr, size) do { *ptr = m_new(byte, min_size); *size = min_size; } while(0)
|
|
#endif
|
|
|
|
#ifndef MP_PLAT_FREE_EXEC
|
|
#define MP_PLAT_FREE_EXEC(ptr, size) m_del(byte, ptr, size)
|
|
#endif
|
|
|
|
#ifndef MP_SSIZE_MAX
|
|
#define MP_SSIZE_MAX SSIZE_MAX
|
|
#endif
|
|
|
|
// printf format spec to use for mp_int_t and friends
|
|
#ifndef INT_FMT
|
|
#ifdef __LP64__
|
|
// Archs where mp_int_t == long, long != int
|
|
#define UINT_FMT "%lu"
|
|
#define INT_FMT "%ld"
|
|
#else
|
|
// Archs where mp_int_t == int
|
|
#define UINT_FMT "%u"
|
|
#define INT_FMT "%d"
|
|
#endif
|
|
#endif //INT_FMT
|
|
|
|
// Modifier for function which doesn't return
|
|
#ifndef NORETURN
|
|
#define NORETURN __attribute__((noreturn))
|
|
#endif
|
|
|
|
// Modifier for weak functions
|
|
#ifndef MP_WEAK
|
|
#define MP_WEAK __attribute__((weak))
|
|
#endif
|