| # This script generates the opcode.h header file. |
| |
| import sys |
| header = """/* Auto-generated by Tools/scripts/generate_opcode_h.py */ |
| #ifndef Py_OPCODE_H |
| #define Py_OPCODE_H |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /* Instruction opcodes for compiled code */ |
| """ |
| |
| footer = """ |
| /* EXCEPT_HANDLER is a special, implicit block type which is created when |
| entering an except handler. It is not an opcode but we define it here |
| as we want it to be available to both frameobject.c and ceval.c, while |
| remaining private.*/ |
| #define EXCEPT_HANDLER 257 |
| |
| |
| enum cmp_op {PyCmp_LT=Py_LT, PyCmp_LE=Py_LE, PyCmp_EQ=Py_EQ, PyCmp_NE=Py_NE, |
| PyCmp_GT=Py_GT, PyCmp_GE=Py_GE, PyCmp_IN, PyCmp_NOT_IN, |
| PyCmp_IS, PyCmp_IS_NOT, PyCmp_EXC_MATCH, PyCmp_BAD}; |
| |
| #define HAS_ARG(op) ((op) >= HAVE_ARGUMENT) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif /* !Py_OPCODE_H */ |
| """ |
| |
| |
| def main(opcode_py, outfile='Include/opcode.h'): |
| opcode = {} |
| exec(open(opcode_py).read(), opcode) |
| opmap = opcode['opmap'] |
| with open(outfile, 'w') as fobj: |
| fobj.write(header) |
| for name in opcode['opname']: |
| if name in opmap: |
| fobj.write("#define %-23s %3s\n" % (name, opmap[name])) |
| if name == 'POP_EXCEPT': # Special entry for HAVE_ARGUMENT |
| fobj.write("#define %-23s %3d\n" % |
| ('HAVE_ARGUMENT', opcode['HAVE_ARGUMENT'])) |
| fobj.write(footer) |
| |
| |
| if __name__ == '__main__': |
| main(sys.argv[1], sys.argv[2]) |