/* * Compares two sequence objects * Assumes both objects are of same type (guaranteed by obj_compare) */ int8_t seq_compare(pPmObj_t pobj1, pPmObj_t pobj2) { int16_t l1; int16_t l2; pPmObj_t pa; pPmObj_t pb; PmReturn_t retval; int8_t retcompare; /* Get the lengths of supported types or return differ */ if (OBJ_GET_TYPE(pobj1) == OBJ_TYPE_TUP) { l1 = ((pPmTuple_t)pobj1)->length; l2 = ((pPmTuple_t)pobj2)->length; } else if (OBJ_GET_TYPE(pobj1) == OBJ_TYPE_LST) { l1 = ((pPmList_t)pobj2)->length; l2 = ((pPmList_t)pobj2)->length; } else { return C_DIFFER; } /* Return if the lengths differ */ if (l1 != l2) { return C_DIFFER; } /* Compare all items in the sequences */ while (--l1 >= 0) { retval = seq_getSubscript(pobj1, l1, &pa); if (retval != PM_RET_OK) { return C_DIFFER; } retval = seq_getSubscript(pobj2, l1, &pb); if (retval != PM_RET_OK) { return C_DIFFER; } retcompare = obj_compare(pa, pb); if (retcompare != C_SAME) { return retcompare; } } return C_SAME; }
/** * Unit Test ported from SNARF * This tests if it correctly creates the dictionary object * This also tests if dict_setItem correctly replaces the existing value * if the new val has the same key as the exisiting one. */ void ut_dict_getItem_001(CuTest *tc) { uint8_t heap[HEAP_SIZE]; p_test_str1 = test_str1; p_test_str2 = test_str2; p_test_str3 = test_str3; p_test_strnew = test_strnew; PmReturn_t retval; retval = pm_init(heap, HEAP_SIZE, MEMSPACE_RAM, C_NULL); retval = string_new((uint8_t const **)&test_str1, &p_firstval); retval = string_new((uint8_t const **)&test_str2, &p_secondval); retval = string_new((uint8_t const **)&test_str3, &p_thirdval); retval = string_new((uint8_t const **)&test_strnew, &p_newval); retval = int_new(1, (pPmObj_t *)&p_firstkey); retval = int_new(2, (pPmObj_t *)&p_secondkey); retval = int_new(3, (pPmObj_t *)&p_thirdkey); retval = int_new(2, (pPmObj_t *)&p_newkey); dict_new(&p_dict); dict_setItem(p_dict, (pPmObj_t)p_firstkey, p_firstval); dict_setItem(p_dict, (pPmObj_t)p_secondkey, p_secondval); dict_setItem(p_dict, (pPmObj_t)p_thirdkey, p_thirdval); dict_setItem(p_dict, (pPmObj_t)p_newkey, p_newval); dict_setItem(p_dict, (pPmObj_t)p_secondkey, p_secondval); dict_getItem(p_dict, (pPmObj_t)p_firstkey, &p_tempobj); CuAssertTrue(tc, obj_compare(p_tempobj, p_firstval) == C_SAME); dict_getItem(p_dict, (pPmObj_t)p_secondkey, &p_tempobj); CuAssertTrue(tc, obj_compare(p_tempobj, p_secondval) == C_SAME); dict_getItem(p_dict, (pPmObj_t)p_thirdkey, &p_tempobj); CuAssertTrue(tc, obj_compare(p_tempobj, p_thirdval) == C_SAME); }
static obj_ptr _e(obj_ptr args, obj_ptr env) { obj_ptr last = 0, arg; for (; CONSP(args); args = CDR(args)) { arg = CAR(args); if (last && obj_compare(last, arg) != 0) return MKBOOL(0); last = arg; } return MKBOOL(1); }
int8_t dict_compare(pPmObj_t d1, pPmObj_t d2) { pPmDict_t pd1 = (pPmDict_t)d1; pPmDict_t pd2 = (pPmDict_t)d2; pPmObj_t pkey1; pPmObj_t pval1; pPmObj_t pval2; uint16_t i; PmReturn_t retval; /* Return if lengths are not equal */ if (pd1->length != pd2->length) { return C_DIFFER; } for (i = 0; i < pd1->length; i++) { /* Get the key,val from one dict */ retval = seglist_getItem(pd1->d_keys, i, &pkey1); PM_RETURN_IF_ERROR(retval); retval = seglist_getItem(pd1->d_vals, i, &pval1); PM_RETURN_IF_ERROR(retval); /* Return if the key,val pair is not in the other dict */ retval = dict_getItem(d2, pkey1, &pval2); if (retval != PM_RET_OK) { return C_DIFFER; } if (obj_compare(pval1, pval2) != C_SAME) { return C_DIFFER; } } /* All key,values match */ return C_SAME; }
Da_emulate_result Da_emulate(Da* d, CONTEXT * ctx, MemoryCache *mem, bool emulate_FS_accesses, address FS) { #ifdef _WIN64 return DA_NOT_EMULATED; #endif //bool SF=IS_SET(ctx->EFlags, FLAG_SF); //bool OF=IS_SET(ctx->EFlags, FLAG_OF); //bool ZF=IS_SET(ctx->EFlags, FLAG_ZF); bool CF=IS_SET(ctx->EFlags, FLAG_CF); bool b; if (x86_emu_debug) { // FIXME: write to log also? L ("%s() begin: [", __func__); Da_DumpString(&cur_fds, d); L ("]\n"); }; if ((emulate_FS_accesses==false && IS_SET(d->prefix_codes, PREFIX_FS)) || (IS_SET(d->prefix_codes, PREFIX_SS) || IS_SET(d->prefix_codes, PREFIX_GS))) { if (x86_emu_debug) L ("%s() skipping (data selector prefix present) at 0x" PRI_ADR_HEX "\n", __func__, CONTEXT_get_PC(ctx)); return DA_EMULATED_CANNOT_READ_MEMORY; }; switch (d->ins_code) { case I_CDQ: { uint32_t a=CONTEXT_get_Accum (ctx)&0xFFFFFFFF; CONTEXT_set_xDX (ctx, (a&0x80000000) ? 0xFFFFFFFF : 0); goto add_to_PC_and_return_OK; }; break; case I_PUSH: { address rt_adr; obj v; b=Da_op_get_value_of_op (&d->op[0], &rt_adr, ctx, mem, __FILE__, __LINE__, &v, d->prefix_codes, FS); if (b==false) { if (x86_emu_debug) L ("%s() I_PUSH: can't read memory\n", __func__); return DA_EMULATED_CANNOT_READ_MEMORY; }; b=DO_PUSH (ctx, mem, obj_get_as_REG(&v)); if (b==false) { if (x86_emu_debug) L ("%s() I_PUSH: can't write memory\n", __func__); return DA_EMULATED_CANNOT_WRITE_MEMORY; }; goto add_to_PC_and_return_OK; }; break; case I_PUSHFD: if (DO_PUSH (ctx, mem, ctx->EFlags | FLAG_TF)==false) { if (x86_emu_debug) L ("%s() I_PUSHFD: can't write memory\n", __func__); return DA_EMULATED_CANNOT_WRITE_MEMORY; }; goto add_to_PC_and_return_OK; break; case I_POP: { REG val; if (DO_POP(ctx, mem, &val)==false) return DA_EMULATED_CANNOT_READ_MEMORY; obj v; obj_tetrabyte2 (val, &v); Da_op_set_value_of_op (&d->op[0], &v, ctx, mem, d->prefix_codes, FS); goto add_to_PC_and_return_OK; }; break; case I_POPFD: { REG val; if (DO_POP(ctx, mem, &val)==false) return DA_EMULATED_CANNOT_READ_MEMORY; ctx->EFlags=val; goto add_to_PC_and_return_OK; }; break; case I_LEAVE: { //ESP <- EBP //POP EBP REG val; CONTEXT_set_SP(ctx, CONTEXT_get_BP(ctx)); if (DO_POP(ctx, mem, &val)==false) return DA_EMULATED_CANNOT_READ_MEMORY; // FIXME: а надо еще SP назад возвращать! CONTEXT_set_BP(ctx, val); goto add_to_PC_and_return_OK; }; break; case I_REP_STOSB: case I_REP_STOSW: case I_REP_STOSD: { BYTE *buf; bool DF=IS_SET(ctx->EFlags, FLAG_DF); if (DF) return DA_NOT_EMULATED; // not supported... bug here SIZE_T BUF_SIZE; if (d->ins_code==I_REP_STOSB) BUF_SIZE=CONTEXT_get_xCX (ctx); else if (d->ins_code==I_REP_STOSW) BUF_SIZE=CONTEXT_get_xCX (ctx)*2; else if (d->ins_code==I_REP_STOSD) BUF_SIZE=CONTEXT_get_xCX (ctx)*4; buf=DMALLOC(BYTE, BUF_SIZE, "buf"); if (d->ins_code==I_REP_STOSB) { for (REG i=0; i<CONTEXT_get_xCX(ctx); i++) // FIXME: rewrite to my own bzero()! buf[i]=CONTEXT_get_Accum(ctx)&0xFF; } else if (d->ins_code==I_REP_STOSW) { for (REG i=0; i<CONTEXT_get_xCX(ctx); i++) // FIXME: rewrite to my own bzero()! ((WORD*)buf)[i]=CONTEXT_get_Accum(ctx)&0xFFFF; } else if (d->ins_code==I_REP_STOSD) { for (REG i=0; i<CONTEXT_get_xCX(ctx); i++) // FIXME: rewrite to my own bzero()! ((DWORD*)buf)[i]=(DWORD)(CONTEXT_get_Accum(ctx)&0xFFFFFFFF); } else { oassert(0); }; if (MC_WriteBuffer (mem, CONTEXT_get_xDI (ctx), BUF_SIZE, buf)==false) return DA_EMULATED_CANNOT_WRITE_MEMORY; DFREE(buf); CONTEXT_set_xDI (ctx, CONTEXT_get_xDI (ctx) + BUF_SIZE); CONTEXT_set_xCX (ctx, 0); goto add_to_PC_and_return_OK; }; break; case I_REP_MOVSB: case I_REP_MOVSW: case I_REP_MOVSD: { BYTE *buf; bool DF=IS_SET(ctx->EFlags, FLAG_DF); if (DF) return DA_NOT_EMULATED; // not supported... bug here SIZE_T BUF_SIZE; SIZE_T sizeof_element; if (d->ins_code==I_REP_MOVSB) sizeof_element=1; else if (d->ins_code==I_REP_MOVSW) sizeof_element=2; else if (d->ins_code==I_REP_MOVSD) sizeof_element=4; else { oassert(0); }; BUF_SIZE=CONTEXT_get_xCX(ctx)*sizeof_element; //printf ("%s() BUF_SIZE=0x%x\n", __func__, BUF_SIZE); //printf ("%s() (before) SI=0x" PRI_REG_HEX "\n", __func__, CONTEXT_get_xSI(ctx)); //printf ("%s() (before) DI=0x" PRI_REG_HEX "\n", __func__, CONTEXT_get_xDI(ctx)); buf=DMALLOC(BYTE, BUF_SIZE, "buf"); address blk_src=CONTEXT_get_xSI(ctx); address blk_dst=CONTEXT_get_xDI(ctx); if (DF) { blk_src-=BUF_SIZE; // +sizeof_element; blk_dst-=BUF_SIZE; // +sizeof_element; }; if (MC_ReadBuffer (mem, blk_src, BUF_SIZE, buf)==false) { DFREE(buf); return DA_EMULATED_CANNOT_READ_MEMORY; }; if (MC_WriteBuffer (mem, blk_dst, BUF_SIZE, buf)==false) { DFREE(buf); return DA_EMULATED_CANNOT_WRITE_MEMORY; }; DFREE(buf); if (DF==false) { CONTEXT_set_xSI (ctx, CONTEXT_get_xSI (ctx) + BUF_SIZE); CONTEXT_set_xDI (ctx, CONTEXT_get_xDI (ctx) + BUF_SIZE); } else { CONTEXT_set_xSI (ctx, CONTEXT_get_xSI (ctx) - BUF_SIZE); CONTEXT_set_xDI (ctx, CONTEXT_get_xDI (ctx) - BUF_SIZE); }; CONTEXT_set_xCX (ctx, 0); //printf ("%s() (after) SI=0x" PRI_REG_HEX "\n", __func__, CONTEXT_get_xSI(ctx)); //printf ("%s() (after) DI=0x" PRI_REG_HEX "\n", __func__, CONTEXT_get_xDI(ctx)); goto add_to_PC_and_return_OK; }; case I_STD: SET_BIT (ctx->EFlags, FLAG_DF); goto add_to_PC_and_return_OK; case I_CLD: REMOVE_BIT (ctx->EFlags, FLAG_DF); goto add_to_PC_and_return_OK; case I_RETN: { WORD ret_arg=0; if (d->ops_total==1) { oassert (d->op[0].type==DA_OP_TYPE_VALUE); ret_arg=obj_get_as_wyde(&d->op[0].val._v); // RETN arg is 16-bit }; address newPC; if (DO_POP(ctx, mem, &newPC)==false) return DA_EMULATED_CANNOT_READ_MEMORY; CONTEXT_set_SP(ctx, CONTEXT_get_SP(ctx)+ret_arg); CONTEXT_set_PC(ctx, newPC); return DA_EMULATED_OK; }; break; case I_ADD: case I_ADC: case I_INC: { //L (__FUNCTION__ "() I_ADD/I_INC begin: [%s]\n", ToString().c_str()); obj rt1, rt2; REG rt1_adr, rt2_adr; b=Da_op_get_value_of_op (&d->op[0], &rt1_adr, ctx, mem, __FILE__, __LINE__, &rt1, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; if (d->ins_code==I_ADD || d->ins_code==I_ADC) { oassert (d->op[0].value_width_in_bits==d->op[1].value_width_in_bits); b=Da_op_get_value_of_op (&d->op[1], &rt2_adr, ctx, mem, __FILE__, __LINE__, &rt2, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; } else { // INC case // make second op 1 obj_REG2_and_set_type (rt1.t, 1, 0, &rt2); }; obj res_sum; obj_add (&rt1, &rt2, &res_sum); if (d->ins_code==I_ADC && CF) obj_increment(&res_sum); set_PF (ctx, &res_sum); set_SF (ctx, &res_sum); set_ZF (ctx, &res_sum); set_AF (ctx, &rt1, &rt2, &res_sum); if (d->ins_code==I_ADD || d->ins_code==I_ADC) set_or_clear_flag (ctx, FLAG_CF, obj_compare (&res_sum, &rt1)==-1); // res_sum < rt1 octabyte tmp=((zero_extend_to_REG(&rt1) ^ zero_extend_to_REG(&rt2) ^ get_sign_bit (d->op[0].value_width_in_bits)) & (zero_extend_to_REG(&res_sum) ^ zero_extend_to_REG(&rt1))) & get_sign_bit (d->op[0].value_width_in_bits); set_or_clear_flag (ctx, FLAG_OF, tmp); b=Da_op_set_value_of_op (&d->op[0], &res_sum, ctx, mem, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_WRITE_MEMORY; goto add_to_PC_and_return_OK; }; break; case I_NOT: { obj rt1, res; REG rt1_adr; if (Da_op_get_value_of_op (&d->op[0], &rt1_adr, ctx, mem, __FILE__, __LINE__, &rt1, d->prefix_codes, FS)==false) return DA_EMULATED_CANNOT_READ_MEMORY; obj_NOT(&rt1, &res); if (Da_op_set_value_of_op (&d->op[0], &res, ctx, mem, d->prefix_codes, FS)) goto add_to_PC_and_return_OK; }; break; case I_NEG: { obj rt1, res; REG rt1_adr; if (Da_op_get_value_of_op (&d->op[0], &rt1_adr, ctx, mem, __FILE__, __LINE__, &rt1, d->prefix_codes, FS)==false) return DA_EMULATED_CANNOT_READ_MEMORY; obj_NEG(&rt1, &res); set_or_clear_flag (ctx, FLAG_CF, obj_is_zero(&rt1)==false); set_PF (ctx, &res); set_SF (ctx, &res); set_ZF (ctx, &res); set_or_clear_flag (ctx, FLAG_AF, (0 ^ obj_get_4th_bit(&rt1)) ^ obj_get_4th_bit(&res)); REMOVE_BIT (ctx->EFlags, FLAG_OF); //SET_BIT (ctx->EFlags, FLAG_AF); if (Da_op_set_value_of_op (&d->op[0], &res, ctx, mem, d->prefix_codes, FS)) goto add_to_PC_and_return_OK; }; break; case I_OR: case I_XOR: case I_AND: case I_TEST: { oassert (d->op[0].value_width_in_bits==d->op[1].value_width_in_bits); obj rt1, rt2, res; REG rt1_adr, rt2_adr; b=Da_op_get_value_of_op (&d->op[0], &rt1_adr, ctx, mem, __FILE__, __LINE__, &rt1, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; b=Da_op_get_value_of_op (&d->op[1], &rt2_adr, ctx, mem, __FILE__, __LINE__, &rt2, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; switch (d->ins_code) { case I_OR: obj_OR(&rt1, &rt2, &res); break; case I_XOR: obj_XOR(&rt1, &rt2, &res); break; case I_TEST: case I_AND: obj_AND(&rt1, &rt2, &res); break; default: oassert(0); break; }; set_PF (ctx, &res); set_SF (ctx, &res); set_ZF (ctx, &res); REMOVE_BIT (ctx->EFlags, FLAG_AF); REMOVE_BIT (ctx->EFlags, FLAG_CF); REMOVE_BIT (ctx->EFlags, FLAG_OF); if (d->ins_code==I_TEST) b=true; else b=Da_op_set_value_of_op (&d->op[0], &res, ctx, mem, d->prefix_codes, FS); if (b) goto add_to_PC_and_return_OK; else return DA_EMULATED_CANNOT_WRITE_MEMORY; }; break; case I_DEC: case I_SUB: case I_SBB: case I_CMP: { if (d->ins_code==I_SUB || d->ins_code==I_SBB || d->ins_code==I_CMP) { oassert (d->op[0].value_width_in_bits==d->op[1].value_width_in_bits); }; obj rt1, rt2; REG rt1_adr, rt2_adr; b=Da_op_get_value_of_op (&d->op[0], &rt1_adr, ctx, mem, __FILE__, __LINE__, &rt1, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; if (d->ins_code==I_DEC) { // make second op 1 obj_REG2_and_set_type (rt1.t, 1, 0, &rt2); } else { b=Da_op_get_value_of_op (&d->op[1], &rt2_adr, ctx, mem, __FILE__, __LINE__, &rt2, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; }; obj res; obj_subtract (&rt1, &rt2, &res); if (d->ins_code==I_SBB && CF) obj_decrement (&res); set_PF (ctx, &res); set_SF (ctx, &res); set_ZF (ctx, &res); set_AF (ctx, &rt1, &rt2, &res); if (d->ins_code==I_SBB) { int tmp=(obj_compare (&rt1, &res)==-1 /* rt1<res */) || (CF && obj_get_as_tetrabyte(&rt2)==0xffffffff); set_or_clear_flag (ctx, FLAG_CF, tmp); } else { if (d->ins_code!=I_DEC) // DEC leave CF flag unaffected set_or_clear_flag (ctx, FLAG_CF, obj_compare (&rt1, &rt2)==-1); /* rt1<rt2 */ }; octabyte tmp=((zero_extend_to_octabyte(&rt1) ^ zero_extend_to_octabyte(&rt2)) & (zero_extend_to_octabyte(&res) ^ zero_extend_to_octabyte(&rt1))) & get_sign_bit (d->op[0].value_width_in_bits); set_or_clear_flag (ctx, FLAG_OF, tmp); if (d->ins_code==I_CMP) b=true; else b=Da_op_set_value_of_op (&d->op[0], &res, ctx, mem, d->prefix_codes, FS); if (b) goto add_to_PC_and_return_OK; else return DA_EMULATED_CANNOT_WRITE_MEMORY; }; break; case I_XCHG: { REG op1_adr, op2_adr; obj op1; b=Da_op_get_value_of_op(&d->op[0], &op1_adr, ctx, mem, __FILE__, __LINE__, &op1, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; obj op2; b=Da_op_get_value_of_op(&d->op[1], &op2_adr, ctx, mem, __FILE__, __LINE__, &op2, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; if (Da_op_set_value_of_op (&d->op[0], &op2, ctx, mem, d->prefix_codes, FS)==false) return DA_EMULATED_CANNOT_WRITE_MEMORY; if (Da_op_set_value_of_op (&d->op[1], &op1, ctx, mem, d->prefix_codes, FS)==false) return DA_EMULATED_CANNOT_WRITE_MEMORY; goto add_to_PC_and_return_OK; }; break; case I_MOV: case I_MOVDQA: case I_MOVDQU: return Da_emulate_MOV_op1_op2(d, ctx, mem, d->prefix_codes, FS); case I_MOVZX: case I_MOVSX: { address rt_adr; obj op2; bool b=Da_op_get_value_of_op(&d->op[1], &rt_adr, ctx, mem, __FILE__, __LINE__, &op2, d->prefix_codes, FS); if (b==false) { /* if (L_verbose_level>=2) { printf (__FUNCTION__ "(): ["); Da_DumpString(d); printf ("]: can't read src (2nd) operand\n"); }; */ return DA_EMULATED_CANNOT_WRITE_MEMORY; }; obj to_be_stored_v; if (d->ins_code==I_MOVZX) { enum obj_type op1_type_will_be=bit_width_to_obj_type (d->op[0].value_width_in_bits); obj_zero_extend (&op2, op1_type_will_be, &to_be_stored_v); } else if (d->ins_code==I_MOVSX) { enum obj_type op1_type_will_be=bit_width_to_obj_type (d->op[0].value_width_in_bits); obj_sign_extend (&op2, op1_type_will_be, &to_be_stored_v); } else { oassert (0); }; b=Da_op_set_value_of_op (&d->op[0], &to_be_stored_v, ctx, mem, d->prefix_codes, FS); if (b==false) { /* if (L_verbose_level>=2) { printf(__FUNCTION__ "(): ["); Da_DumpString(d); printf ("]: can't write dst (1st) operand\n"); }; */ return DA_EMULATED_CANNOT_WRITE_MEMORY; }; goto add_to_PC_and_return_OK; }; case I_NOP: goto add_to_PC_and_return_OK; case I_LEA: { address a=(address)Da_op_calc_adr_of_op(&d->op[1], ctx, mem, d->prefix_codes, FS); obj val; obj_tetrabyte2(a, &val); b=Da_op_set_value_of_op (&d->op[0], &val, ctx, mem, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_WRITE_MEMORY; goto add_to_PC_and_return_OK; }; case I_SAR: case I_SHR: case I_SHL: { // http://cs.smith.edu/~thiebaut/ArtOfAssembly/CH06/CH06-3.html REG op1_adr, op2_adr; obj op1; bool b=Da_op_get_value_of_op(&d->op[0], &op1_adr, ctx, mem, __FILE__, __LINE__, &op1, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; // should be read anyway! obj op2; b=Da_op_get_value_of_op(&d->op[1], &op2_adr, ctx, mem, __FILE__, __LINE__, &op2, d->prefix_codes, FS); if (b==false) return DA_EMULATED_CANNOT_READ_MEMORY; #ifdef _WIN64 obj_AND_with (&op2, 0x3F); #else obj_AND_with (&op2, 0x1F); #endif if (obj_is_zero(&op2)==false) { unsigned new_CF; if (d->ins_code==I_SHR || d->ins_code==I_SAR) new_CF=(zero_extend_to_octabyte(&op1) >> (obj_get_as_byte (&op2) - 1)) & 1; else // SHL new_CF=(zero_extend_to_octabyte(&op1) >> (obj_width_in_bits(&op1) - obj_get_as_byte (&op2))) & 1; obj new_op1; if (d->ins_code==I_SHR) { REG new_v=zero_extend_to_REG(&op1) >> obj_get_as_byte (&op2); obj_REG2_and_set_type(op1.t, new_v, 0, &new_op1); } else if (d->ins_code==I_SAR)
int obj_compare(obj_ptr left, obj_ptr right) { /* TODO if (NUMP(left) && NUMP(right)) ... */ if (TYPE(left) < TYPE(right)) return -1; if (TYPE(left) > TYPE(right)) return 1; switch (TYPE(left)) { case TYPE_INT: case TYPE_BOOL: return _int_compare(INT(left), INT(right)); case TYPE_FLOAT: return _float_compare(FLOAT(left), FLOAT(right), 0.00000001); /* TODO: Better epsilon? */ case TYPE_SYMBOL: return strcmp(SYMBOL(left), SYMBOL(right)); case TYPE_STRING: return string_compare(&STRING(left), &STRING(right)); case TYPE_CONS: { int res = 0; for (;;) { if (NTYPEP(left, TYPE(right))) return obj_compare(left, right); if (NTYPEP(left, TYPE_CONS)) return obj_compare(left, right); res = obj_compare(CAR(left), CAR(right)); if (res != 0) return res; left = CDR(left); right = CDR(right); } assert(0); /* unreachable */ break; } case TYPE_VEC: return vec_compare(&left->data.as_vec, &right->data.as_vec); /* TODO */ case TYPE_MAP: assert(TYPE(left) != TYPE_MAP); break; case TYPE_CLOSURE: assert(TYPE(left) != TYPE_CLOSURE); break; case TYPE_PRIMITIVE: assert(TYPE(left) != TYPE_PRIMITIVE); break; case TYPE_ERROR: assert(TYPE(left) != TYPE_ERROR); break; case TYPE_PORT: assert(TYPE(left) != TYPE_PORT); break; } return 0; }
/* Returns true if the item is in the container object */ PmReturn_t obj_isIn(pPmObj_t pobj, pPmObj_t pitem) { PmReturn_t retval = PM_RET_NO; pPmObj_t ptestItem; int16_t i; uint8_t c; switch (OBJ_GET_TYPE(pobj)) { case OBJ_TYPE_TUP: /* Iterate over tuple to find item */ for (i = 0; i < ((pPmTuple_t)pobj)->length; i++) { PM_RETURN_IF_ERROR(tuple_getItem(pobj, i, &ptestItem)); if (obj_compare(pitem, ptestItem) == C_SAME) { retval = PM_RET_OK; break; } } break; case OBJ_TYPE_STR: /* Raise a TypeError if item is not a string */ if ((OBJ_GET_TYPE(pitem) != OBJ_TYPE_STR)) { retval = PM_RET_EX_TYPE; break; } /* Empty string is alway present */ if (((pPmString_t)pitem)->length == 0) { retval = PM_RET_OK; break; } /* Raise a ValueError if the string is more than 1 char */ else if (((pPmString_t)pitem)->length != 1) { retval = PM_RET_EX_VAL; break; } /* Iterate over string to find char */ c = ((pPmString_t)pitem)->val[0]; for (i = 0; i < ((pPmString_t)pobj)->length; i++) { if (c == ((pPmString_t)pobj)->val[i]) { retval = PM_RET_OK; break; } } break; case OBJ_TYPE_LST: /* Iterate over list to find item */ for (i = 0; i < ((pPmList_t)pobj)->length; i++) { PM_RETURN_IF_ERROR(list_getItem(pobj, i, &ptestItem)); if (obj_compare(pitem, ptestItem) == C_SAME) { retval = PM_RET_OK; break; } } break; case OBJ_TYPE_DIC: /* Check if the item is one of the keys of the dict */ retval = dict_getItem(pobj, pitem, &ptestItem); if (retval == PM_RET_EX_KEY) { retval = PM_RET_NO; } break; default: retval = PM_RET_EX_TYPE; break; } return retval; }