5042bce8fb
This completes non-automatic interning of strings in the parser, so that doc strings don't take up RAM. It complicates the parser and compiler, and bloats stmhal by about 300 bytes. It's complicated because now there are 2 kinds of parse-nodes that can be strings: interned leaves and non-interned structs.
371 lines
11 KiB
C
371 lines
11 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 these options using mpconfigport.h file located
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// in a directory of your port.
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#include <mpconfigport.h>
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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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/*****************************************************************************/
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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 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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/*****************************************************************************/
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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_GC_FINALISER
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#define MICROPY_ENABLE_GC_FINALISER (0)
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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 (TODO)
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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_ENABLE_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_ENABLE_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_ENABLE_FLOAT (0)
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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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/*****************************************************************************/
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/* Fine control over Python builtins, classes, modules, etc */
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// Whether to support slice object and correspondingly
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// slice subscript operators
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#ifndef MICROPY_PY_SLICE
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#define MICROPY_PY_SLICE (1)
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#endif
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// Whether to support frozenset object
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#ifndef MICROPY_PY_FROZENSET
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#define MICROPY_PY_FROZENSET (0)
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#endif
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// Whether to support the property object
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#ifndef MICROPY_PY_PROPERTY
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#define MICROPY_PY_PROPERTY (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 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.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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/*****************************************************************************/
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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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// 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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// 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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// machine_int_t value with most significant bit set
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#define WORD_MSBIT_HIGH (((machine_uint_t)1) << (BYTES_PER_WORD * 8 - 1))
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#if !defined(MP_ENDIANNESS_LITTLE) && !defined(MP_ENDIANNESS_BIG)
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// Just because most archs are such?
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#define MP_ENDIANNESS_LITTLE (1)
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#endif
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// Ensure we don't accidentally set both endiannesses
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#if MP_ENDIANNESS_BIG
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#define MP_ENDIANNESS_LITTLE (0)
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#endif
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// printf format spec to use for machine_int_t and friends
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#ifndef INT_FMT
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#ifdef __LP64__
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// Archs where machine_int_t == long, long != int
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#define UINT_FMT "%lu"
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#define INT_FMT "%ld"
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#else
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// Archs where machine_int_t == int
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#define UINT_FMT "%u"
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#define INT_FMT "%d"
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#endif
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#endif //INT_FMT
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// Modifier for function which doesn't return
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#ifndef NORETURN
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#define NORETURN __attribute__((noreturn))
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#endif
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