Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/php/ext/google/protobuf/type_check.c

Index: third_party/protobuf/php/ext/google/protobuf/type_check.c
diff --git a/third_party/protobuf/php/ext/google/protobuf/type_check.c b/third_party/protobuf/php/ext/google/protobuf/type_check.c
deleted file mode 100644
index d12d002584829aad8674c223a4d078fa73873b65..0000000000000000000000000000000000000000
--- a/third_party/protobuf/php/ext/google/protobuf/type_check.c
+++ /dev/null
@@ -1,430 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <Zend/zend_operators.h>
-
-#include "protobuf.h"
-#include "utf8.h"
-
-static zend_class_entry* util_type;
-static const char int64_min_digits[] = "9223372036854775808";
-
-ZEND_BEGIN_ARG_INFO_EX(arg_check_optional, 0, 0, 1)
-  ZEND_ARG_INFO(1, val)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arg_check_message, 0, 0, 2)
-  ZEND_ARG_INFO(1, val)
-  ZEND_ARG_INFO(0, klass)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arg_check_repeated, 0, 0, 2)
-  ZEND_ARG_INFO(1, val)
-  ZEND_ARG_INFO(0, type)
-  ZEND_ARG_INFO(0, klass)
-ZEND_END_ARG_INFO()
-
-static zend_function_entry util_methods[] = {
-  PHP_ME(Util, checkInt32,  arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkUint32, arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkInt64,  arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkUint64, arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkEnum,   arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkFloat,  arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkDouble, arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkBool,   arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkString, arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkBytes,  arg_check_optional, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkMessage, arg_check_message, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Util, checkRepeatedField, arg_check_repeated,
-         ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  ZEND_FE_END
-};
-
-void util_init(TSRMLS_D) {
-  zend_class_entry class_type;
-  INIT_CLASS_ENTRY(class_type, "Google\\Protobuf\\Internal\\GPBUtil",
-                   util_methods);
-  util_type = zend_register_internal_class(&class_type TSRMLS_CC);
-}
-
-// -----------------------------------------------------------------------------
-// Type checking/conversion.
-// -----------------------------------------------------------------------------
-
-// This is modified from is_numeric_string in zend_operators.h. The behavior of 
-// this function is the same as is_numeric_string, except that this takes
-// int64_t as input instead of long.
-static zend_uchar convert_numeric_string(
-    const char *str, int length, int64_t *lval, double *dval) {
-  const char *ptr;
-  int base = 10, digits = 0, dp_or_e = 0;
-  double local_dval = 0.0;
-  zend_uchar type;
-
-  if (length == 0) {
-    return IS_NULL;
-  }
-
-  while (*str == ' ' || *str == '\t' || *str == '\n' || 
-         *str == '\r' || *str == '\v' || *str == '\f') {
-    str++;
-    length--;
-  }
-  ptr = str;
-
-  if (*ptr == '-' || *ptr == '+') {
-    ptr++;
-  }
-
-  if (ZEND_IS_DIGIT(*ptr)) {
-    // Handle hex numbers
-    // str is used instead of ptr to disallow signs and keep old behavior.
-    if (length > 2 && *str == '0' && (str[1] == 'x' || str[1] == 'X')) {
-      base = 16;
-      ptr += 2;
-    }
-
-    // Skip any leading 0s.
-    while (*ptr == '0') {
-      ptr++;
-    }
-
-    // Count the number of digits. If a decimal point/exponent is found,
-    // it's a double. Otherwise, if there's a dval or no need to check for
-    // a full match, stop when there are too many digits for a int64 */
-    for (type = IS_LONG;
-        !(digits >= MAX_LENGTH_OF_INT64 && dval);
-        digits++, ptr++) {
-check_digits:
-      if (ZEND_IS_DIGIT(*ptr) || (base == 16 && ZEND_IS_XDIGIT(*ptr))) {
-        continue;
-      } else if (base == 10) {
-        if (*ptr == '.' && dp_or_e < 1) {
-          goto process_double;
-        } else if ((*ptr == 'e' || *ptr == 'E') && dp_or_e < 2) {
-          const char *e = ptr + 1;
-
-          if (*e == '-' || *e == '+') {
-            ptr = e++;
-          }
-          if (ZEND_IS_DIGIT(*e)) {
-            goto process_double;
-          }
-        }
-      }
-      break;
-    }
-
-    if (base == 10) {
-      if (digits >= MAX_LENGTH_OF_INT64) {
-        dp_or_e = -1;
-        goto process_double;
-      }
-    } else if (!(digits < SIZEOF_INT64 * 2 ||
-               (digits == SIZEOF_INT64 * 2 && ptr[-digits] <= '7'))) {
-      if (dval) {
-        local_dval = zend_hex_strtod(str, &ptr);
-      }
-      type = IS_DOUBLE;
-    }
-  } else if (*ptr == '.' && ZEND_IS_DIGIT(ptr[1])) {
-process_double:
-    type = IS_DOUBLE;
-
-    // If there's a dval, do the conversion; else continue checking
-    // the digits if we need to check for a full match.
-    if (dval) {
-      local_dval = zend_strtod(str, &ptr);
-    } else if (dp_or_e != -1) {
-      dp_or_e = (*ptr++ == '.') ? 1 : 2;
-      goto check_digits;
-    }
-  } else {
-    return IS_NULL;
-  }
-  if (ptr != str + length) {
-    zend_error(E_NOTICE, "A non well formed numeric value encountered");
-    return 0;
-  }
-
-  if (type == IS_LONG) {
-    if (digits == MAX_LENGTH_OF_INT64 - 1) {
-      int cmp = strcmp(&ptr[-digits], int64_min_digits);
-
-      if (!(cmp < 0 || (cmp == 0 && *str == '-'))) {
-        if (dval) {
-          *dval = zend_strtod(str, NULL);
-        }
-
-	return IS_DOUBLE;
-      }
-    }
-    if (lval) {
-      *lval = strtoll(str, NULL, base);
-    }
-    return IS_LONG;
-  } else {
-    if (dval) {
-      *dval = local_dval;
-    }
-    return IS_DOUBLE;
-  }
-}
-
-#define CONVERT_TO_INTEGER(type)                                             \
-  static bool convert_int64_to_##type(int64_t val, type##_t* type##_value) { \
-    *type##_value = (type##_t)val;                                           \
-    return true;                                                             \
-  }                                                                          \
-                                                                             \
-  static bool convert_double_to_##type(double val, type##_t* type##_value) { \
-    *type##_value = (type##_t)zend_dval_to_lval(val);                        \
-    return true;                                                             \
-  }                                                                          \
-                                                                             \
-  static bool convert_string_to_##type(const char* val, int len,             \
-                                       type##_t* type##_value) {             \
-    int64_t lval;                                                            \
-    double dval;                                                             \
-                                                                             \
-    switch (convert_numeric_string(val, len, &lval, &dval)) {                \
-      case IS_DOUBLE: {                                                      \
-        return convert_double_to_##type(dval, type##_value);                 \
-      }                                                                      \
-      case IS_LONG: {                                                        \
-        return convert_int64_to_##type(lval, type##_value);                  \
-      }                                                                      \
-      default:                                                               \
-        zend_error(E_USER_ERROR,                                             \
-                   "Given string value cannot be converted to integer.");    \
-        return false;                                                        \
-    }                                                                        \
-  }                                                                          \
-                                                                             \
-  bool protobuf_convert_to_##type(zval* from, type##_t* to) {                \
-    switch (Z_TYPE_P(from)) {                                                \
-      case IS_LONG: {                                                        \
-        return convert_int64_to_##type(Z_LVAL_P(from), to);                  \
-      }                                                                      \
-      case IS_DOUBLE: {                                                      \
-        return convert_double_to_##type(Z_DVAL_P(from), to);                 \
-      }                                                                      \
-      case IS_STRING: {                                                      \
-        return convert_string_to_##type(Z_STRVAL_P(from), Z_STRLEN_P(from),  \
-                                        to);                                 \
-      }                                                                      \
-      default: {                                                             \
-        zend_error(E_USER_ERROR,                                             \
-                   "Given value cannot be converted to integer.");           \
-        return false;                                                        \
-      }                                                                      \
-    }                                                                        \
-    return false;                                                            \
-  }
-
-CONVERT_TO_INTEGER(int32);
-CONVERT_TO_INTEGER(uint32);
-CONVERT_TO_INTEGER(int64);
-CONVERT_TO_INTEGER(uint64);
-
-#undef CONVERT_TO_INTEGER
-
-#define CONVERT_TO_FLOAT(type)                                              \
-  static bool convert_int64_to_##type(int64_t val, type* type##_value) {    \
-    *type##_value = (type)val;                                              \
-    return true;                                                            \
-  }                                                                         \
-                                                                            \
-  static bool convert_double_to_##type(double val, type* type##_value) {    \
-    *type##_value = (type)val;                                              \
-    return true;                                                            \
-  }                                                                         \
-                                                                            \
-  static bool convert_string_to_##type(const char* val, int len,            \
-                                       type* type##_value) {                \
-    int64_t lval;                                                           \
-    double dval;                                                            \
-                                                                            \
-    switch (convert_numeric_string(val, len, &lval, &dval)) {               \
-      case IS_DOUBLE: {                                                     \
-        *type##_value = (type)dval;                                         \
-        return true;                                                        \
-      }                                                                     \
-      case IS_LONG: {                                                       \
-        *type##_value = (type)lval;                                         \
-        return true;                                                        \
-      }                                                                     \
-      default:                                                              \
-        zend_error(E_USER_ERROR,                                            \
-                   "Given string value cannot be converted to integer.");   \
-        return false;                                                       \
-    }                                                                       \
-  }                                                                         \
-                                                                            \
-  bool protobuf_convert_to_##type(zval* from, type* to) {                   \
-    switch (Z_TYPE_P(from)) {                                               \
-      case IS_LONG: {                                                       \
-        return convert_int64_to_##type(Z_LVAL_P(from), to);                 \
-      }                                                                     \
-      case IS_DOUBLE: {                                                     \
-        return convert_double_to_##type(Z_DVAL_P(from), to);                \
-      }                                                                     \
-      case IS_STRING: {                                                     \
-        return convert_string_to_##type(Z_STRVAL_P(from), Z_STRLEN_P(from), \
-                                        to);                                \
-      }                                                                     \
-      default: {                                                            \
-        zend_error(E_USER_ERROR,                                            \
-                   "Given value cannot be converted to integer.");          \
-        return false;                                                       \
-      }                                                                     \
-    }                                                                       \
-    return false;                                                           \
-  }
-
-CONVERT_TO_FLOAT(float);
-CONVERT_TO_FLOAT(double);
-
-#undef CONVERT_TO_FLOAT
-
-bool protobuf_convert_to_bool(zval* from, int8_t* to) {
-  switch (Z_TYPE_P(from)) {
-    case IS_BOOL:
-      *to = (int8_t)Z_BVAL_P(from);
-      break;
-    case IS_LONG:
-      *to = (int8_t)(Z_LVAL_P(from) != 0);
-      break;
-    case IS_DOUBLE:
-      *to = (int8_t)(Z_LVAL_P(from) != 0);
-      break;
-    case IS_STRING: {
-      char* strval = Z_STRVAL_P(from);
-
-      if (Z_STRLEN_P(from) == 0 ||
-          (Z_STRLEN_P(from) == 1 && Z_STRVAL_P(from)[0] == '0')) {
-        *to = 0;
-      } else {
-        *to = 1;
-      }
-    } break;
-    default: {
-      zend_error(E_USER_ERROR, "Given value cannot be converted to bool.");
-      return false;
-    }
-  }
-  return true;
-}
-
-bool protobuf_convert_to_string(zval* from) {
-  switch (Z_TYPE_P(from)) {
-    case IS_STRING: {
-      return true;
-    }
-    case IS_BOOL:
-    case IS_LONG:
-    case IS_DOUBLE: {
-      int use_copy;
-      zval tmp;
-      zend_make_printable_zval(from, &tmp, &use_copy);
-      ZVAL_COPY_VALUE(from, &tmp);
-      return true;
-    }
-    default:
-      zend_error(E_USER_ERROR, "Given value cannot be converted to string.");
-      return false;
-  }
-}
-
-// -----------------------------------------------------------------------------
-// PHP Functions.
-// -----------------------------------------------------------------------------
-
-// The implementation of type checking for primitive fields is empty. This is
-// because type checking is done when direct assigning message fields (e.g.,
-// foo->a = 1). Functions defined here are place holders in generated code for
-// pure PHP implementation (c extension and pure PHP share the same generated
-// code).
-#define PHP_TYPE_CHECK(type) \
-  PHP_METHOD(Util, check##type) {}
-
-PHP_TYPE_CHECK(Int32)
-PHP_TYPE_CHECK(Uint32)
-PHP_TYPE_CHECK(Int64)
-PHP_TYPE_CHECK(Uint64)
-PHP_TYPE_CHECK(Enum)
-PHP_TYPE_CHECK(Float)
-PHP_TYPE_CHECK(Double)
-PHP_TYPE_CHECK(Bool)
-PHP_TYPE_CHECK(String)
-PHP_TYPE_CHECK(Bytes)
-
-#undef PHP_TYPE_CHECK
-
-PHP_METHOD(Util, checkMessage) {
-  zval* val;
-  zend_class_entry* klass = NULL;
-  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o!C", &val, &klass) ==
-      FAILURE) {
-    return;
-  }
-  if (val == NULL) {
-    RETURN_NULL();
-  }
-  if (!instanceof_function(Z_OBJCE_P(val), klass TSRMLS_CC)) {
-    zend_error(E_USER_ERROR, "Given value is not an instance of %s.",
-               klass->name);
-    return;
-  }
-  RETURN_ZVAL(val, 1, 0);
-}
-
-PHP_METHOD(Util, checkRepeatedField) {
-  zval* val;
-  long type;
-  const zend_class_entry* klass = NULL;
-  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ol|C", &val,
-                            repeated_field_type, &type, &klass) == FAILURE) {
-    return;
-  }
-
-  RepeatedField *intern =
-      (RepeatedField *)zend_object_store_get_object(val TSRMLS_CC);
-  if (to_fieldtype(type) != intern->type) {
-    zend_error(E_USER_ERROR, "Incorrect repeated field type.");
-    return;
-  }
-  if (klass != NULL && intern->msg_ce != klass) {
-    zend_error(E_USER_ERROR, "Expect a repeated field of %s, but %s is given.",
-               klass->name, intern->msg_ce->name);
-    return;
-  }
-}