rizin/librz/asm/arch/pyc/opcode_arg_fmt.c
2021-03-08 15:33:54 +08:00

71 lines
1.8 KiB
C

// SPDX-FileCopyrightText: 2020 FXTi <zjxiang1998@gmail.com>
// SPDX-License-Identifier: LGPL-3.0-only
#include "opcode.h"
const char *format_extended_arg(ut32 oparg) {
return rz_str_newf("%u", oparg * (1 << 16));
}
const char *format_CALL_FUNCTION_pos_name_encoded(ut32 oparg) {
ut32 pos_args = oparg & 0xFF;
ut32 name = (oparg >> 8) & 0xFF;
return rz_str_newf("%u positional, %u named", pos_args, name);
}
const char *format_MAKE_FUNCTION_arg_3x(ut32 oparg) {
ut32 pos_args = oparg & 0xFF;
ut32 name_default = (oparg >> 8) & 0xFF;
ut32 annotate_args = (oparg >> 16) & 0x7FFF;
return rz_str_newf("%u positional, %u name and default, %u annotations", pos_args, name_default, annotate_args);
}
const char *format_CALL_FUNCTION_KW_36(ut32 oparg) {
return rz_str_newf("%u total positional and keyword args", oparg);
}
const char *format_CALL_FUNCTION_EX_36(ut32 oparg) {
return rz_str_new((oparg & 0x01) ? "keyword args" : "");
}
static const char *MAKE_FUNCTION_FLAGS[] = { "default", "keyword-only", "annotation", "closure" };
const char *format_MAKE_FUNCTION_arg_36(ut32 oparg) {
size_t i;
char *ret = rz_str_new(" ");
for (i = 0; i < sizeof(MAKE_FUNCTION_FLAGS) / sizeof(char *); ++i) {
if (oparg & 0x1) {
rz_str_appendf(ret, ", %s", MAKE_FUNCTION_FLAGS[i]);
} else {
free(ret);
ret = rz_str_new(MAKE_FUNCTION_FLAGS[i]);
}
oparg >>= 1;
}
return ret;
}
const char *format_value_flags_36(ut32 oparg) {
const char *ret = "";
switch (oparg & 0x3) {
case 1:
ret = "!s";
break;
case 2:
ret = "!r";
break;
case 3:
ret = "!a";
break;
}
if ((oparg & 0x4) == 0x4) {
// pop fmt_spec from the stack and use it, else use an
// empty fmt_spec.
ret = "";
}
return rz_str_new(ret);
}
const char *format_extended_arg_36(ut32 oparg) {
return rz_str_newf("%u", oparg * (1 << 8));
}