/* * ***************************************************************************** * * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2018-2020 Gavin D. Howard and contributors. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * ***************************************************************************** * * Definitions for program data. * */ #ifndef BC_LANG_H #define BC_LANG_H #include #include #include #include #if BC_ENABLED #define BC_INST_IS_ASSIGN(i) \ ((i) == BC_INST_ASSIGN || (i) == BC_INST_ASSIGN_NO_VAL) #define BC_INST_USE_VAL(i) ((i) <= BC_INST_ASSIGN) #else // BC_ENABLED #define BC_INST_IS_ASSIGN(i) ((i) == BC_INST_ASSIGN_NO_VAL) #define BC_INST_USE_VAL(i) (false) #endif // BC_ENABLED #ifndef NDEBUG #define BC_ENABLE_FUNC_FREE (1) #else // NDEBUG #define BC_ENABLE_FUNC_FREE DC_ENABLED #endif // NDEBUG typedef enum BcInst { #if BC_ENABLED BC_INST_INC = 0, BC_INST_DEC, #endif // BC_ENABLED BC_INST_NEG, BC_INST_BOOL_NOT, #if BC_ENABLE_EXTRA_MATH BC_INST_TRUNC, #endif // BC_ENABLE_EXTRA_MATH BC_INST_POWER, BC_INST_MULTIPLY, BC_INST_DIVIDE, BC_INST_MODULUS, BC_INST_PLUS, BC_INST_MINUS, #if BC_ENABLE_EXTRA_MATH BC_INST_PLACES, BC_INST_LSHIFT, BC_INST_RSHIFT, #endif // BC_ENABLE_EXTRA_MATH BC_INST_REL_EQ, BC_INST_REL_LE, BC_INST_REL_GE, BC_INST_REL_NE, BC_INST_REL_LT, BC_INST_REL_GT, BC_INST_BOOL_OR, BC_INST_BOOL_AND, #if BC_ENABLED BC_INST_ASSIGN_POWER, BC_INST_ASSIGN_MULTIPLY, BC_INST_ASSIGN_DIVIDE, BC_INST_ASSIGN_MODULUS, BC_INST_ASSIGN_PLUS, BC_INST_ASSIGN_MINUS, #if BC_ENABLE_EXTRA_MATH BC_INST_ASSIGN_PLACES, BC_INST_ASSIGN_LSHIFT, BC_INST_ASSIGN_RSHIFT, #endif // BC_ENABLE_EXTRA_MATH BC_INST_ASSIGN, BC_INST_ASSIGN_POWER_NO_VAL, BC_INST_ASSIGN_MULTIPLY_NO_VAL, BC_INST_ASSIGN_DIVIDE_NO_VAL, BC_INST_ASSIGN_MODULUS_NO_VAL, BC_INST_ASSIGN_PLUS_NO_VAL, BC_INST_ASSIGN_MINUS_NO_VAL, #if BC_ENABLE_EXTRA_MATH BC_INST_ASSIGN_PLACES_NO_VAL, BC_INST_ASSIGN_LSHIFT_NO_VAL, BC_INST_ASSIGN_RSHIFT_NO_VAL, #endif // BC_ENABLE_EXTRA_MATH #endif // BC_ENABLED BC_INST_ASSIGN_NO_VAL, BC_INST_NUM, BC_INST_VAR, BC_INST_ARRAY_ELEM, #if BC_ENABLED BC_INST_ARRAY, #endif // BC_ENABLED BC_INST_ZERO, BC_INST_ONE, #if BC_ENABLED BC_INST_LAST, #endif // BC_ENABLED BC_INST_IBASE, BC_INST_OBASE, BC_INST_SCALE, #if BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_SEED, #endif // BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_LENGTH, BC_INST_SCALE_FUNC, BC_INST_SQRT, BC_INST_ABS, #if BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_IRAND, #endif // BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_READ, #if BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_RAND, #endif // BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_MAXIBASE, BC_INST_MAXOBASE, BC_INST_MAXSCALE, #if BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_MAXRAND, #endif // BC_ENABLE_EXTRA_MATH && BC_ENABLE_RAND BC_INST_PRINT, BC_INST_PRINT_POP, BC_INST_STR, BC_INST_PRINT_STR, #if BC_ENABLED BC_INST_JUMP, BC_INST_JUMP_ZERO, BC_INST_CALL, BC_INST_RET, BC_INST_RET0, BC_INST_RET_VOID, BC_INST_HALT, #endif // BC_ENABLED BC_INST_POP, #if DC_ENABLED BC_INST_POP_EXEC, BC_INST_MODEXP, BC_INST_DIVMOD, BC_INST_EXECUTE, BC_INST_EXEC_COND, BC_INST_ASCIIFY, BC_INST_PRINT_STREAM, BC_INST_PRINT_STACK, BC_INST_CLEAR_STACK, BC_INST_STACK_LEN, BC_INST_DUPLICATE, BC_INST_SWAP, BC_INST_LOAD, BC_INST_PUSH_VAR, BC_INST_PUSH_TO_VAR, BC_INST_QUIT, BC_INST_NQUIT, #endif // DC_ENABLED BC_INST_INVALID = UCHAR_MAX, } BcInst; typedef struct BcId { char *name; size_t idx; } BcId; typedef struct BcLoc { size_t loc; size_t idx; } BcLoc; typedef struct BcConst { char *val; BcBigDig base; BcNum num; } BcConst; typedef struct BcFunc { BcVec code; #if BC_ENABLED BcVec labels; BcVec autos; size_t nparams; #endif // BC_ENABLED BcVec strs; BcVec consts; const char *name; #if BC_ENABLED bool voidfn; #endif // BC_ENABLED } BcFunc; typedef enum BcResultType { BC_RESULT_VAR, BC_RESULT_ARRAY_ELEM, #if BC_ENABLED BC_RESULT_ARRAY, #endif // BC_ENABLED BC_RESULT_STR, BC_RESULT_TEMP, BC_RESULT_ZERO, BC_RESULT_ONE, #if BC_ENABLED BC_RESULT_LAST, BC_RESULT_VOID, #endif // BC_ENABLED BC_RESULT_IBASE, BC_RESULT_OBASE, BC_RESULT_SCALE, #if BC_ENABLE_EXTRA_MATH BC_RESULT_SEED, #endif // BC_ENABLE_EXTRA_MATH } BcResultType; typedef union BcResultData { BcNum n; BcVec v; BcLoc loc; } BcResultData; typedef struct BcResult { BcResultType t; BcResultData d; } BcResult; typedef struct BcInstPtr { size_t func; size_t idx; size_t len; } BcInstPtr; typedef enum BcType { BC_TYPE_VAR, BC_TYPE_ARRAY, #if BC_ENABLED BC_TYPE_REF, #endif // BC_ENABLED } BcType; struct BcProgram; void bc_func_init(BcFunc *f, const char* name); void bc_func_insert(BcFunc *f, struct BcProgram* p, char* name, BcType type, size_t line); void bc_func_reset(BcFunc *f); void bc_func_free(void *func); void bc_array_init(BcVec *a, bool nums); void bc_array_copy(BcVec *d, const BcVec *s); void bc_string_free(void *string); void bc_const_free(void *constant); void bc_id_free(void *id); void bc_result_clear(BcResult *r); void bc_result_copy(BcResult *d, BcResult *src); void bc_result_free(void *result); void bc_array_expand(BcVec *a, size_t len); int bc_id_cmp(const BcId *e1, const BcId *e2); #if BC_DEBUG_CODE extern const char* bc_inst_names[]; #endif // BC_DEBUG_CODE extern const char bc_func_main[]; extern const char bc_func_read[]; #endif // BC_LANG_H