1 # This script generates the opcode.h header file. 2 3 import sys 4 header = """/* Auto-generated by Tools/scripts/generate_opcode_h.py */ 5 #ifndef Py_OPCODE_H 6 #define Py_OPCODE_H 7 #ifdef __cplusplus 8 extern "C" { 9 #endif 10 11 12 /* Instruction opcodes for compiled code */ 13 """ 14 15 footer = """ 16 /* EXCEPT_HANDLER is a special, implicit block type which is created when 17 entering an except handler. It is not an opcode but we define it here 18 as we want it to be available to both frameobject.c and ceval.c, while 19 remaining private.*/ 20 #define EXCEPT_HANDLER 257 21 22 23 enum cmp_op {PyCmp_LT=Py_LT, PyCmp_LE=Py_LE, PyCmp_EQ=Py_EQ, PyCmp_NE=Py_NE, 24 PyCmp_GT=Py_GT, PyCmp_GE=Py_GE, PyCmp_IN, PyCmp_NOT_IN, 25 PyCmp_IS, PyCmp_IS_NOT, PyCmp_EXC_MATCH, PyCmp_BAD}; 26 27 #define HAS_ARG(op) ((op) >= HAVE_ARGUMENT) 28 29 #ifdef __cplusplus 30 } 31 #endif 32 #endif /* !Py_OPCODE_H */ 33 """ 34 35 36 def main(opcode_py, outfile='Include/opcode.h'): 37 opcode = {} 38 exec(open(opcode_py).read(), opcode) 39 opmap = opcode['opmap'] 40 with open(outfile, 'w') as fobj: 41 fobj.write(header) 42 for name in opcode['opname']: 43 if name in opmap: 44 fobj.write("#define %-23s %3s\n" % (name, opmap[name])) 45 if name == 'POP_EXCEPT': # Special entry for HAVE_ARGUMENT 46 fobj.write("#define %-23s %3d\n" % 47 ('HAVE_ARGUMENT', opcode['HAVE_ARGUMENT'])) 48 fobj.write(footer) 49 50 51 if __name__ == '__main__': 52 main(sys.argv[1], sys.argv[2]) 53
