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circuitpython/py/mpconfig.h
Paul Sokolovsky 8215847b4d moductypes: Foreign data interface module, roughly based on ctype ideas. 
But much smaller and memory-efficient. Uses Python builtin data structures
(dict, tuple, int) to describe structure layout.
2014-07-09 19:28:24 +03:00

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
// This file contains default configuration settings for MicroPython.
// You can override any of these options using mpconfigport.h file located
// in a directory of your port.
#include <mpconfigport.h>
// Any options not explicitly set in mpconfigport.h will get default
// values below.
/*****************************************************************************/
/* Memory allocation policy */
// Initial amount for lexer indentation level
#ifndef MICROPY_ALLOC_LEXER_INDENT_INIT
#define MICROPY_ALLOC_LEXER_INDENT_INIT (10)
#endif
// Increment for lexer indentation level
#ifndef MICROPY_ALLOC_LEXEL_INDENT_INC
#define MICROPY_ALLOC_LEXEL_INDENT_INC (8)
#endif
// Initial amount for parse rule stack
#ifndef MICROPY_ALLOC_PARSE_RULE_INIT
#define MICROPY_ALLOC_PARSE_RULE_INIT (64)
#endif
// Increment for parse rule stack
#ifndef MICROPY_ALLOC_PARSE_RULE_INC
#define MICROPY_ALLOC_PARSE_RULE_INC (16)
#endif
// Initial amount for parse result stack
#ifndef MICROPY_ALLOC_PARSE_RESULT_INIT
#define MICROPY_ALLOC_PARSE_RESULT_INIT (32)
#endif
// Increment for parse result stack
#ifndef MICROPY_ALLOC_PARSE_RESULT_INC
#define MICROPY_ALLOC_PARSE_RESULT_INC (16)
#endif
// Strings this length or less will be interned by the parser
#ifndef MICROPY_ALLOC_PARSE_INTERN_STRING_LEN
#define MICROPY_ALLOC_PARSE_INTERN_STRING_LEN (10)
#endif
// Initial amount for ids in a scope
#ifndef MICROPY_ALLOC_SCOPE_ID_INIT
#define MICROPY_ALLOC_SCOPE_ID_INIT (4)
#endif
// Increment for ids in a scope
#ifndef MICROPY_ALLOC_SCOPE_ID_INC
#define MICROPY_ALLOC_SCOPE_ID_INC (6)
#endif
// Maximum length of a path in the filesystem
// So we can allocate a buffer on the stack for path manipulation in import
#ifndef MICROPY_ALLOC_PATH_MAX
#define MICROPY_ALLOC_PATH_MAX (512)
#endif
/*****************************************************************************/
/* Micro Python emitters */
// Whether to emit CPython byte codes (for debugging/testing)
// Enabling this overrides all other emitters
#ifndef MICROPY_EMIT_CPYTHON
#define MICROPY_EMIT_CPYTHON (0)
#endif
// Whether to emit x64 native code
#ifndef MICROPY_EMIT_X64
#define MICROPY_EMIT_X64 (0)
#endif
// Whether to emit thumb native code
#ifndef MICROPY_EMIT_THUMB
#define MICROPY_EMIT_THUMB (0)
#endif
// Whether to enable the thumb inline assembler
#ifndef MICROPY_EMIT_INLINE_THUMB
#define MICROPY_EMIT_INLINE_THUMB (0)
#endif
/*****************************************************************************/
/* Compiler configuration */
// Whether to enable constant optimisation; id = const(value)
#ifndef MICROPY_COMP_CONST
#define MICROPY_COMP_CONST (1)
#endif
/*****************************************************************************/
/* Internal debugging stuff */
// Whether to collect memory allocation stats
#ifndef MICROPY_MEM_STATS
#define MICROPY_MEM_STATS (0)
#endif
// Whether to build functions that print debugging info:
// mp_token_show
// mp_bytecode_print
// mp_parse_node_print
#ifndef MICROPY_DEBUG_PRINTERS
#define MICROPY_DEBUG_PRINTERS (0)
#endif
/*****************************************************************************/
/* Optimisations */
// Whether to use computed gotos in the VM, or a switch
// Computed gotos are roughly 10% faster, and increase VM code size by a little
#ifndef MICROPY_OPT_COMPUTED_GOTO
#define MICROPY_OPT_COMPUTED_GOTO (0)
#endif
/*****************************************************************************/
/* Python internal features */
// Whether to include the garbage collector
#ifndef MICROPY_ENABLE_GC
#define MICROPY_ENABLE_GC (0)
#endif
// Whether to enable finalisers in the garbage collector (ie call __del__)
#ifndef MICROPY_ENABLE_GC_FINALISER
#define MICROPY_ENABLE_GC_FINALISER (0)
#endif
// Whether to check C stack usage. C stack used for calling Python functions,
// etc. Not checking means segfault on overflow.
#ifndef MICROPY_STACK_CHECK
#define MICROPY_STACK_CHECK (1)
#endif
// Whether to include REPL helper function
#ifndef MICROPY_HELPER_REPL
#define MICROPY_HELPER_REPL (0)
#endif
// Whether to include lexer helper function for unix
#ifndef MICROPY_HELPER_LEXER_UNIX
#define MICROPY_HELPER_LEXER_UNIX (0)
#endif
// Long int implementation
#define MICROPY_LONGINT_IMPL_NONE (0)
#define MICROPY_LONGINT_IMPL_LONGLONG (1)
#define MICROPY_LONGINT_IMPL_MPZ (2)
#ifndef MICROPY_LONGINT_IMPL
#define MICROPY_LONGINT_IMPL (MICROPY_LONGINT_IMPL_NONE)
#endif
#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_LONGLONG
typedef long long mp_longint_impl_t;
#endif
// Whether to include information in the byte code to determine source
// line number (increases RAM usage, but doesn't slow byte code execution)
#ifndef MICROPY_ENABLE_SOURCE_LINE
#define MICROPY_ENABLE_SOURCE_LINE (0)
#endif
// Whether to include doc strings (increases RAM usage)
#ifndef MICROPY_ENABLE_DOC_STRING
#define MICROPY_ENABLE_DOC_STRING (0)
#endif
// Exception messages are short static strings (TODO)
#define MICROPY_ERROR_REPORTING_TERSE (1)
// Exception messages provide basic error details
#define MICROPY_ERROR_REPORTING_NORMAL (2)
// Exception messages provide full info, e.g. object names
#define MICROPY_ERROR_REPORTING_DETAILED (3)
#ifndef MICROPY_ERROR_REPORTING
#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_NORMAL)
#endif
// Float and complex implementation
#define MICROPY_FLOAT_IMPL_NONE (0)
#define MICROPY_FLOAT_IMPL_FLOAT (1)
#define MICROPY_FLOAT_IMPL_DOUBLE (2)
#ifndef MICROPY_FLOAT_IMPL
#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_NONE)
#endif
#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
#define MICROPY_PY_BUILTINS_FLOAT (1)
#define MICROPY_FLOAT_C_FUN(fun) fun##f
typedef float mp_float_t;
#elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
#define MICROPY_PY_BUILTINS_FLOAT (1)
#define MICROPY_FLOAT_C_FUN(fun) fun
typedef double mp_float_t;
#else
#define MICROPY_PY_BUILTINS_FLOAT (0)
#endif
#ifndef MICROPY_PY_BUILTINS_COMPLEX
#define MICROPY_PY_BUILTINS_COMPLEX (MICROPY_PY_BUILTINS_FLOAT)
#endif
// Enable features which improve CPython compatibility
// but may lead to more code size/memory usage.
// TODO: Originally intended as generic category to not
// add bunch of once-off options. May need refactoring later
#ifndef MICROPY_CPYTHON_COMPAT
#define MICROPY_CPYTHON_COMPAT (1)
#endif
// Whether POSIX-semantics non-blocking streams are supported
#ifndef MICROPY_STREAMS_NON_BLOCK
#define MICROPY_STREAMS_NON_BLOCK (0)
#endif
/*****************************************************************************/
/* Fine control over Python builtins, classes, modules, etc */
// Whether str object is proper unicode
#ifndef MICROPY_PY_BUILTINS_STR_UNICODE
#define MICROPY_PY_BUILTINS_STR_UNICODE (0)
#endif
// Whether to support bytearray object
#ifndef MICROPY_PY_BUILTINS_BYTEARRAY
#define MICROPY_PY_BUILTINS_BYTEARRAY (1)
#endif
// Whether to support set object
#ifndef MICROPY_PY_BUILTINS_SET
#define MICROPY_PY_BUILTINS_SET (1)
#endif
// Whether to support slice subscript operators and slice object
#ifndef MICROPY_PY_BUILTINS_SLICE
#define MICROPY_PY_BUILTINS_SLICE (1)
#endif
// Whether to support frozenset object
#ifndef MICROPY_PY_BUILTINS_FROZENSET
#define MICROPY_PY_BUILTINS_FROZENSET (0)
#endif
// Whether to support property object
#ifndef MICROPY_PY_BUILTINS_PROPERTY
#define MICROPY_PY_BUILTINS_PROPERTY (1)
#endif
// Whether to provide "array" module. Note that large chunk of the
// underlying code is shared with "bytearray" builtin type, so to
// get real savings, it should be disabled too.
#ifndef MICROPY_PY_ARRAY
#define MICROPY_PY_ARRAY (1)
#endif
// Whether to provide "collections" module
#ifndef MICROPY_PY_COLLECTIONS
#define MICROPY_PY_COLLECTIONS (1)
#endif
// Whether to provide "math" module
#ifndef MICROPY_PY_MATH
#define MICROPY_PY_MATH (1)
#endif
// Whether to provide "cmath" module
#ifndef MICROPY_PY_CMATH
#define MICROPY_PY_CMATH (0)
#endif
// Whether to provide "gc" module
#ifndef MICROPY_PY_GC
#define MICROPY_PY_GC (1)
#endif
// Whether to return number of collected objects from gc.collect()
#ifndef MICROPY_PY_GC_COLLECT_RETVAL
#define MICROPY_PY_GC_COLLECT_RETVAL (0)
#endif
// Whether to provide "io" module
#ifndef MICROPY_PY_IO
#define MICROPY_PY_IO (1)
#endif
// Whether to provide "io.FileIO" class
#ifndef MICROPY_PY_IO_FILEIO
#define MICROPY_PY_IO_FILEIO (0)
#endif
// Whether to provide "io.BytesIO" class
#ifndef MICROPY_PY_IO_BYTESIO
#define MICROPY_PY_IO_BYTESIO (1)
#endif
// Whether to provide "struct" module
#ifndef MICROPY_PY_STRUCT
#define MICROPY_PY_STRUCT (1)
#endif
// Whether to provide "sys" module
#ifndef MICROPY_PY_SYS
#define MICROPY_PY_SYS (1)
#endif
// Whether to provide "sys.maxsize" constant
#ifndef MICROPY_PY_SYS_MAXSIZE
#define MICROPY_PY_SYS_MAXSIZE (0)
#endif
// Whether to provide "sys.exit" function
#ifndef MICROPY_PY_SYS_EXIT
#define MICROPY_PY_SYS_EXIT (0)
#endif
// Whether to provide sys.{stdin,stdout,stderr} objects
#ifndef MICROPY_PY_SYS_STDFILES
#define MICROPY_PY_SYS_STDFILES (0)
#endif
// Extended modules
#ifndef MICROPY_PY_UCTYPES
#define MICROPY_PY_UCTYPES (0)
#endif
/*****************************************************************************/
/* Hooks for a port to add builtins */
// Additional builtin function definitions - see builtintables.c:builtin_object_table for format.
#ifndef MICROPY_PORT_BUILTINS
#define MICROPY_PORT_BUILTINS
#endif
// Additional builtin module definitions - see builtintables.c:builtin_module_table for format.
#ifndef MICROPY_PORT_BUILTIN_MODULES
#define MICROPY_PORT_BUILTIN_MODULES
#endif
// Additional constant definitions for the compiler - see compile.c:mp_constants_table.
#ifndef MICROPY_PORT_CONSTANTS
#define MICROPY_PORT_CONSTANTS
#endif
/*****************************************************************************/
/* Miscellaneous settings */
// Allow to override static modifier for global objects, e.g. to use with
// object code analysis tools which don't support static symbols.
#ifndef STATIC
#define STATIC static
#endif
#define BITS_PER_BYTE (8)
#define BITS_PER_WORD (BITS_PER_BYTE * BYTES_PER_WORD)
// mp_int_t value with most significant bit set
#define WORD_MSBIT_HIGH (((mp_uint_t)1) << (BYTES_PER_WORD * 8 - 1))
#if !defined(MP_ENDIANNESS_LITTLE) && !defined(MP_ENDIANNESS_BIG)
// Just because most archs are such?
#define MP_ENDIANNESS_LITTLE (1)
#endif
// Ensure we don't accidentally set both endiannesses
#if MP_ENDIANNESS_BIG
#define MP_ENDIANNESS_LITTLE (0)
#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
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