name : pycore_opcode_utils.h #ifndef Py_INTERNAL_OPCODE_UTILS_H #define Py_INTERNAL_OPCODE_UTILS_H #ifdef __cplusplus extern "C" { #endif #ifndef Py_BUILD_CORE # error "this header requires Py_BUILD_CORE define" #endif #include "pycore_opcode.h" // _PyOpcode_Jump #define MAX_REAL_OPCODE 254 #define IS_WITHIN_OPCODE_RANGE(opcode) \ (((opcode) >= 0 && (opcode) <= MAX_REAL_OPCODE) || \ IS_PSEUDO_OPCODE(opcode)) #define IS_JUMP_OPCODE(opcode) \ is_bit_set_in_table(_PyOpcode_Jump, opcode) #define IS_BLOCK_PUSH_OPCODE(opcode) \ ((opcode) == SETUP_FINALLY || \ (opcode) == SETUP_WITH || \ (opcode) == SETUP_CLEANUP) #define HAS_TARGET(opcode) \ (IS_JUMP_OPCODE(opcode) || IS_BLOCK_PUSH_OPCODE(opcode)) /* opcodes that must be last in the basicblock */ #define IS_TERMINATOR_OPCODE(opcode) \ (IS_JUMP_OPCODE(opcode) || IS_SCOPE_EXIT_OPCODE(opcode)) /* opcodes which are not emitted in codegen stage, only by the assembler */ #define IS_ASSEMBLER_OPCODE(opcode) \ ((opcode) == JUMP_FORWARD || \ (opcode) == JUMP_BACKWARD || \ (opcode) == JUMP_BACKWARD_NO_INTERRUPT) #define IS_BACKWARDS_JUMP_OPCODE(opcode) \ ((opcode) == JUMP_BACKWARD || \ (opcode) == JUMP_BACKWARD_NO_INTERRUPT) #define IS_UNCONDITIONAL_JUMP_OPCODE(opcode) \ ((opcode) == JUMP || \ (opcode) == JUMP_NO_INTERRUPT || \ (opcode) == JUMP_FORWARD || \ (opcode) == JUMP_BACKWARD || \ (opcode) == JUMP_BACKWARD_NO_INTERRUPT) #define IS_SCOPE_EXIT_OPCODE(opcode) \ ((opcode) == RETURN_VALUE || \ (opcode) == RETURN_CONST || \ (opcode) == RAISE_VARARGS || \ (opcode) == RERAISE) #define IS_SUPERINSTRUCTION_OPCODE(opcode) \ ((opcode) == LOAD_FAST__LOAD_FAST || \ (opcode) == LOAD_FAST__LOAD_CONST || \ (opcode) == LOAD_CONST__LOAD_FAST || \ (opcode) == STORE_FAST__LOAD_FAST || \ (opcode) == STORE_FAST__STORE_FAST) #define LOG_BITS_PER_INT 5 #define MASK_LOW_LOG_BITS 31 static inline int is_bit_set_in_table(const uint32_t *table, int bitindex) { /* Is the relevant bit set in the relevant word? */ /* 512 bits fit into 9 32-bits words. * Word is indexed by (bitindex>>ln(size of int in bits)). * Bit within word is the low bits of bitindex. */ if (bitindex >= 0 && bitindex < 512) { uint32_t word = table[bitindex >> LOG_BITS_PER_INT]; return (word >> (bitindex & MASK_LOW_LOG_BITS)) & 1; } else { return 0; } } #undef LOG_BITS_PER_INT #undef MASK_LOW_LOG_BITS #ifdef __cplusplus } #endif #endif /* !Py_INTERNAL_OPCODE_UTILS_H */