# -*- coding: utf-8 -*- import io import struct import ctypes import pytest import env # noqa: F401 from pybind11_tests import buffers as m from pybind11_tests import ConstructorStats np = pytest.importorskip("numpy") def test_from_python(): with pytest.raises(RuntimeError) as excinfo: m.Matrix(np.array([1, 2, 3])) # trying to assign a 1D array assert str(excinfo.value) == "Incompatible buffer format!" m3 = np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32) m4 = m.Matrix(m3) for i in range(m4.rows()): for j in range(m4.cols()): assert m3[i, j] == m4[i, j] cstats = ConstructorStats.get(m.Matrix) assert cstats.alive() == 1 del m3, m4 assert cstats.alive() == 0 assert cstats.values() == ["2x3 matrix"] assert cstats.copy_constructions == 0 # assert cstats.move_constructions >= 0 # Don't invoke any assert cstats.copy_assignments == 0 assert cstats.move_assignments == 0 # https://foss.heptapod.net/pypy/pypy/-/issues/2444 def test_to_python(): mat = m.Matrix(5, 4) assert memoryview(mat).shape == (5, 4) assert mat[2, 3] == 0 mat[2, 3] = 4.0 mat[3, 2] = 7.0 assert mat[2, 3] == 4 assert mat[3, 2] == 7 assert struct.unpack_from("f", mat, (3 * 4 + 2) * 4) == (7,) assert struct.unpack_from("f", mat, (2 * 4 + 3) * 4) == (4,) mat2 = np.array(mat, copy=False) assert mat2.shape == (5, 4) assert abs(mat2).sum() == 11 assert mat2[2, 3] == 4 and mat2[3, 2] == 7 mat2[2, 3] = 5 assert mat2[2, 3] == 5 cstats = ConstructorStats.get(m.Matrix) assert cstats.alive() == 1 del mat pytest.gc_collect() assert cstats.alive() == 1 del mat2 # holds a mat reference pytest.gc_collect() assert cstats.alive() == 0 assert cstats.values() == ["5x4 matrix"] assert cstats.copy_constructions == 0 # assert cstats.move_constructions >= 0 # Don't invoke any assert cstats.copy_assignments == 0 assert cstats.move_assignments == 0 def test_inherited_protocol(): """SquareMatrix is derived from Matrix and inherits the buffer protocol""" matrix = m.SquareMatrix(5) assert memoryview(matrix).shape == (5, 5) assert np.asarray(matrix).shape == (5, 5) def test_pointer_to_member_fn(): for cls in [m.Buffer, m.ConstBuffer, m.DerivedBuffer]: buf = cls() buf.value = 0x12345678 value = struct.unpack("i", bytearray(buf))[0] assert value == 0x12345678 def test_readonly_buffer(): buf = m.BufferReadOnly(0x64) view = memoryview(buf) assert view[0] == b"d" if env.PY2 else 0x64 assert view.readonly def test_selective_readonly_buffer(): buf = m.BufferReadOnlySelect() memoryview(buf)[0] = b"d" if env.PY2 else 0x64 assert buf.value == 0x64 io.BytesIO(b"A").readinto(buf) assert buf.value == ord(b"A") buf.readonly = True with pytest.raises(TypeError): memoryview(buf)[0] = b"\0" if env.PY2 else 0 with pytest.raises(TypeError): io.BytesIO(b"1").readinto(buf) def test_ctypes_array_1d(): char1d = (ctypes.c_char * 10)() int1d = (ctypes.c_int * 15)() long1d = (ctypes.c_long * 7)() for carray in (char1d, int1d, long1d): info = m.get_buffer_info(carray) assert info.itemsize == ctypes.sizeof(carray._type_) assert info.size == len(carray) assert info.ndim == 1 assert info.shape == [info.size] assert info.strides == [info.itemsize] assert not info.readonly def test_ctypes_array_2d(): char2d = ((ctypes.c_char * 10) * 4)() int2d = ((ctypes.c_int * 15) * 3)() long2d = ((ctypes.c_long * 7) * 2)() for carray in (char2d, int2d, long2d): info = m.get_buffer_info(carray) assert info.itemsize == ctypes.sizeof(carray[0]._type_) assert info.size == len(carray) * len(carray[0]) assert info.ndim == 2 assert info.shape == [len(carray), len(carray[0])] assert info.strides == [info.itemsize * len(carray[0]), info.itemsize] assert not info.readonly @pytest.mark.skipif( "env.PYPY and env.PY2", reason="PyPy2 bytes buffer not reported as readonly" ) def test_ctypes_from_buffer(): test_pystr = b"0123456789" for pyarray in (test_pystr, bytearray(test_pystr)): pyinfo = m.get_buffer_info(pyarray) if pyinfo.readonly: cbytes = (ctypes.c_char * len(pyarray)).from_buffer_copy(pyarray) cinfo = m.get_buffer_info(cbytes) else: cbytes = (ctypes.c_char * len(pyarray)).from_buffer(pyarray) cinfo = m.get_buffer_info(cbytes) assert cinfo.size == pyinfo.size assert cinfo.ndim == pyinfo.ndim assert cinfo.shape == pyinfo.shape assert cinfo.strides == pyinfo.strides assert not cinfo.readonly id='n46' href='#n46'>46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 
/*
 * QEMU readline utility
 * 
 * Copyright (c) 2003-2004 Fabrice Bellard
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "vl.h"

#define TERM_CMD_BUF_SIZE 4095
#define TERM_MAX_CMDS 64
#define NB_COMPLETIONS_MAX 256

#define IS_NORM 0
#define IS_ESC  1
#define IS_CSI  2

#define printf do_not_use_printf

static char term_cmd_buf[TERM_CMD_BUF_SIZE + 1];
static int term_cmd_buf_index;
static int term_cmd_buf_size;

static char term_last_cmd_buf[TERM_CMD_BUF_SIZE + 1];
static int term_last_cmd_buf_index;
static int term_last_cmd_buf_size;

static int term_esc_state;
static int term_esc_param;

static char *term_history[TERM_MAX_CMDS];
static int term_hist_entry = -1;

static int nb_completions;
int completion_index;
static char *completions[NB_COMPLETIONS_MAX];

static ReadLineFunc *term_readline_func;
static int term_is_password;
static char term_prompt[256];
static void *term_readline_opaque;

static void term_show_prompt2(void)
{
    term_printf("%s", term_prompt);
    term_flush();
    term_last_cmd_buf_index = 0;
    term_last_cmd_buf_size = 0;
    term_esc_state = IS_NORM;
}

static void term_show_prompt(void)
{
    term_show_prompt2();
    term_cmd_buf_index = 0;
    term_cmd_buf_size = 0;
}

/* update the displayed command line */
static void term_update(void)
{
    int i, delta, len;

    if (term_cmd_buf_size != term_last_cmd_buf_size ||
        memcmp(term_cmd_buf, term_last_cmd_buf, term_cmd_buf_size) != 0) {
        for(i = 0; i < term_last_cmd_buf_index; i++) {
            term_printf("\033[D");
        }
        term_cmd_buf[term_cmd_buf_size] = '\0';
        if (term_is_password) {
            len = strlen(term_cmd_buf);
            for(i = 0; i < len; i++)
                term_printf("*");
        } else {
            term_printf("%s", term_cmd_buf);
        }
        term_printf("\033[K");
        memcpy(term_last_cmd_buf, term_cmd_buf, term_cmd_buf_size);
        term_last_cmd_buf_size = term_cmd_buf_size;
        term_last_cmd_buf_index = term_cmd_buf_size;
    }
    if (term_cmd_buf_index != term_last_cmd_buf_index) {
        delta = term_cmd_buf_index - term_last_cmd_buf_index;
        if (delta > 0) {
            for(i = 0;i < delta; i++) {
                term_printf("\033[C");
            }
        } else {
            delta = -delta;