ext/intl: migrate C code to C++ step 3.

Author: devnexen

ext/intl/common/common_date.h

@@ -24,6 +24,9 @@ U_CDECL_END
 
 #ifdef __cplusplus
 
+// TODO once C++ migration done we can drop this workaround
+#undef U_SHOW_CPLUSPLUS_API
+#define U_SHOW_CPLUSPLUS_API 1
 #include <unicode/timezone.h>
 
 using icu::TimeZone;

ext/intl/config.m4

@@ -18,19 +18,8 @@ if test "$PHP_INTL" != "no"; then
       collator/collator_locale.c
       collator/collator_sort.c
       common/common_error.c
-      converter/converter.c
-      dateformat/dateformat_attr.c
       dateformat/dateformat_class.c
-      dateformat/dateformat_data.c
-      dateformat/dateformat_format.c
-      dateformat/dateformat_parse.c
-      dateformat/dateformat.c
-      formatter/formatter_attr.c
       formatter/formatter_class.c
-      formatter/formatter_data.c
-      formatter/formatter_format.c
-      formatter/formatter_main.c
-      formatter/formatter_parse.c
       grapheme/grapheme_string.c
       grapheme/grapheme_util.c
       intl_convert.c
@@ -53,10 +42,16 @@ if test "$PHP_INTL" != "no"; then
   PHP_INTL_CXX_SOURCES="intl_convertcpp.cpp \
     common/common_enum.cpp \
     common/common_date.cpp \
-    dateformat/dateformat_format_object.cpp \
-    dateformat/dateformat_create.cpp \
+    converter/converter.cpp \
+    dateformat/dateformat.cpp \
+    dateformat/dateformat_attr.cpp \
     dateformat/dateformat_attrcpp.cpp \
+    dateformat/dateformat_create.cpp \
+    dateformat/dateformat_data.cpp \
+    dateformat/dateformat_format.cpp \
+    dateformat/dateformat_format_object.cpp \
     dateformat/dateformat_helpers.cpp \
+    dateformat/dateformat_parse.cpp \
     dateformat/datepatterngenerator_class.cpp \
     dateformat/datepatterngenerator_methods.cpp \
     msgformat/msgformat_helpers.cpp \
@@ -65,6 +60,11 @@ if test "$PHP_INTL" != "no"; then
     calendar/calendar_class.cpp \
     calendar/calendar_methods.cpp \
     calendar/gregoriancalendar_methods.cpp \
+    formatter/formatter_attr.cpp \
+    formatter/formatter_data.cpp \
+    formatter/formatter_format.cpp \
+    formatter/formatter_main.cpp \
+    formatter/formatter_parse.cpp \
     msgformat/msgformat_attr.cpp \
     msgformat/msgformat_class.cpp \
     msgformat/msgformat_data.cpp \

ext/intl/config.w32

@@ -29,15 +29,15 @@ if (PHP_INTL != "no") {
 				common_date.cpp \
 				", "intl");
 		ADD_SOURCES(configure_module_dirname + "/converter", "\
-				converter.c \
+				converter.cpp \
 				", "intl");
 		ADD_SOURCES(configure_module_dirname + "/formatter", "\
-				formatter_attr.c \
+				formatter_attr.cpp \
 				formatter_class.c \
-				formatter_data.c \
-				formatter_format.c \
-				formatter_main.c \
-				formatter_parse.c \
+				formatter_data.cpp \
+				formatter_format.cpp \
+				formatter_main.cpp \
+				formatter_parse.cpp \
 				", "intl");
 		ADD_SOURCES(configure_module_dirname + "/listformatter", "\
 				listformatter_class.c \
@@ -64,13 +64,13 @@ if (PHP_INTL != "no") {
 				normalizer_normalize.cpp \
 				", "intl");
 		ADD_SOURCES(configure_module_dirname + "/dateformat", "\
-				dateformat.c \
+				dateformat.cpp \
 				dateformat_class.c \
-				dateformat_attr.c \
-				dateformat_format.c \
+				dateformat_attr.cpp \
+				dateformat_format.cpp \
 				dateformat_format_object.cpp \
-				dateformat_parse.c \
-				dateformat_data.c \
+				dateformat_parse.cpp \
+				dateformat_data.cpp \
 				dateformat_attrcpp.cpp \
 				dateformat_helpers.cpp \
 				dateformat_create.cpp \

ext/intl/converter/converter.c renamed to ext/intl/converter/converter.cpp

@@ -12,7 +12,6 @@
    +----------------------------------------------------------------------+
  */
 
-#include "converter.h"
 #include "zend_exceptions.h"
 
 #include <unicode/utypes.h>
@@ -21,10 +20,13 @@
 #include <unicode/ucnv.h>
 #include <unicode/ustring.h>
 
+extern "C" {
+#include "converter.h"
+#include "php_intl.h"
 #include "../intl_error.h"
 #include "../intl_common.h"
+}
 #include "converter_arginfo.h"
-#include "php_intl.h"
 
 typedef struct _php_converter_object {
 	UConverter *src, *dest;
@@ -238,9 +240,9 @@ static void php_converter_to_u_callback(const void *context,
 	}
 
 	if (Z_TYPE(zargs[3]) == IS_LONG) {
-		*pErrorCode = Z_LVAL(zargs[3]);
+		*pErrorCode = static_cast<UErrorCode>(Z_LVAL(zargs[3]));
 	} else if (Z_ISREF(zargs[3]) && Z_TYPE_P(Z_REFVAL(zargs[3])) == IS_LONG) {
-		*pErrorCode = Z_LVAL_P(Z_REFVAL(zargs[3]));
+		*pErrorCode = static_cast<UErrorCode>(Z_LVAL_P(Z_REFVAL(zargs[3])));
 	}
 
 	zval_ptr_dtor(&zargs[0]);
@@ -265,7 +267,7 @@ static void php_converter_append_fromUnicode_target(zval *val, UConverterFromUni
 		{
 			size_t vallen = Z_STRLEN_P(val);
 			if (TARGET_CHECK(args, vallen)) {
-				args->target = zend_mempcpy(args->target, Z_STRVAL_P(val), vallen);
+				args->target = reinterpret_cast<char *>(zend_mempcpy(args->target, Z_STRVAL_P(val), vallen));
 			}
 			return;
 		}
@@ -315,9 +317,9 @@ static void php_converter_from_u_callback(const void *context,
 	}
 
 	if (Z_TYPE(zargs[3]) == IS_LONG) {
-		*pErrorCode = Z_LVAL(zargs[3]);
+		*pErrorCode = static_cast<UErrorCode>(Z_LVAL(zargs[3]));
 	} else if (Z_ISREF(zargs[3]) && Z_TYPE_P(Z_REFVAL(zargs[3])) == IS_LONG) {
-		*pErrorCode = Z_LVAL_P(Z_REFVAL(zargs[3]));
+		*pErrorCode = static_cast<UErrorCode>(Z_LVAL_P(Z_REFVAL(zargs[3])));
 	}
 
 	zval_ptr_dtor(&zargs[0]);
@@ -340,15 +342,15 @@ static inline bool php_converter_set_callbacks(php_converter_object *objval, UCo
 	}
 
 	ucnv_setToUCallBack(cnv, (UConverterToUCallback)php_converter_to_u_callback, (const void*)objval,
-	                    NULL, NULL, &error);
+	                    nullptr, nullptr, &error);
 	if (U_FAILURE(error)) {
 		THROW_UFAILURE(objval, error);
 		ret = 0;
 	}
 
 	error = U_ZERO_ERROR;
 	ucnv_setFromUCallBack(cnv, (UConverterFromUCallback)php_converter_from_u_callback, (const void*)objval,
-	                      NULL, NULL, &error);
+	                      nullptr, nullptr, &error);
 	if (U_FAILURE(error)) {
 		THROW_UFAILURE(objval, error);
 		ret = 0;
@@ -507,14 +509,14 @@ static void php_converter_resolve_callback(
 	const char *callback_name,
 	size_t callback_name_len
 ) {
-	zend_function *fn = zend_hash_str_find_ptr_lc(&obj->ce->function_table, callback_name, callback_name_len);
-	ZEND_ASSERT(fn != NULL);
+	zend_function *fn = reinterpret_cast<zend_function *>(zend_hash_str_find_ptr_lc(&obj->ce->function_table, callback_name, callback_name_len));
+	ZEND_ASSERT(fn != nullptr);
 
 	fcc->function_handler = fn;
 	fcc->object = obj;
 	fcc->called_scope = obj->ce;
-	fcc->calling_scope = NULL;
-	fcc->closure = NULL;
+	fcc->calling_scope = nullptr;
+	fcc->closure = nullptr;
 }
 /* }}} */
 
@@ -635,24 +637,24 @@ static zend_string* php_converter_do_convert(UConverter *dest_cnv,
 	if (!src_cnv || !dest_cnv) {
 		php_converter_throw_failure(objval, U_INVALID_STATE_ERROR,
 		                            "Internal converters not initialized");
-		return NULL;
+		return nullptr;
 	}
 
 	/* Get necessary buffer size first */
 	temp_len = 1 + ucnv_toUChars(src_cnv, NULL, 0, src, src_len, &error);
 	if (U_FAILURE(error) && error != U_BUFFER_OVERFLOW_ERROR) {
 		THROW_UFAILURE(objval, error);
-		return NULL;
+		return nullptr;
 	}
-	temp = safe_emalloc(sizeof(UChar), temp_len, sizeof(UChar));
+	temp = reinterpret_cast<UChar *>(safe_emalloc(sizeof(UChar), temp_len, sizeof(UChar)));
 
 	/* Convert to intermediate UChar* array */
 	error = U_ZERO_ERROR;
 	temp_len = ucnv_toUChars(src_cnv, temp, temp_len, src, src_len, &error);
 	if (U_FAILURE(error)) {
 		THROW_UFAILURE(objval, error);
 		efree(temp);
-		return NULL;
+		return nullptr;
 	}
 	temp[temp_len] = 0;
 
@@ -661,7 +663,7 @@ static zend_string* php_converter_do_convert(UConverter *dest_cnv,
 	if (U_FAILURE(error) && error != U_BUFFER_OVERFLOW_ERROR) {
 		THROW_UFAILURE(objval, error);
 		efree(temp);
-		return NULL;
+		return nullptr;
 	}
 
 	ret = zend_string_alloc(ret_len, 0);
@@ -673,7 +675,7 @@ static zend_string* php_converter_do_convert(UConverter *dest_cnv,
 	if (U_FAILURE(error)) {
 		THROW_UFAILURE(objval, error);
 		zend_string_efree(ret);
-		return NULL;
+		return nullptr;
 	}
 
 	return ret;
@@ -735,8 +737,8 @@ PHP_METHOD(UConverter, convert) {
 PHP_METHOD(UConverter, transcode) {
 	char *str, *src, *dest;
 	size_t str_len, src_len, dest_len;
-	zval *options = NULL;
-	UConverter *src_cnv = NULL, *dest_cnv = NULL;
+	zval *options = nullptr;
+	UConverter *src_cnv = nullptr, *dest_cnv = nullptr;
 
 	ZEND_PARSE_PARAMETERS_START(3, 4)
 		Z_PARAM_STRING(str, str_len)
@@ -911,7 +913,7 @@ static void php_converter_free_object(zend_object *obj) {
 static zend_object *php_converter_object_ctor(zend_class_entry *ce, php_converter_object **pobjval) {
 	php_converter_object *objval;
 
-	objval = zend_object_alloc(sizeof(php_converter_object), ce);
+	objval = reinterpret_cast<php_converter_object *>(zend_object_alloc(sizeof(php_converter_object), ce));
 
 	zend_object_std_init(&objval->obj, ce);
 	object_properties_init(&objval->obj, ce);
@@ -923,7 +925,7 @@ static zend_object *php_converter_object_ctor(zend_class_entry *ce, php_converte
 }
 
 static zend_object *php_converter_create_object(zend_class_entry *ce) {
-	php_converter_object *objval = NULL;
+	php_converter_object *objval = nullptr;
 	zend_object *retval = php_converter_object_ctor(ce, &objval);
 
 	object_properties_init(&(objval->obj), ce);
@@ -968,7 +970,7 @@ static zend_object *php_converter_clone_object(zend_object *object) {
 /* }}} */
 
 /* {{{ php_converter_minit */
-int php_converter_minit(INIT_FUNC_ARGS) {
+U_CFUNC int php_converter_minit(INIT_FUNC_ARGS) {
 	php_converter_ce = register_class_UConverter();
 	php_converter_ce->create_object = php_converter_create_object;
 	php_converter_ce->default_object_handlers = &php_converter_object_handlers;

ext/intl/converter/converter.h

@@ -21,6 +21,12 @@
 
 #include "php.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 int php_converter_minit(INIT_FUNC_ARGS);
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* PHP_INTL_CONVERTER_H */

ext/intl/dateformat/dateformat.c renamed to ext/intl/dateformat/dateformat.cpp

@@ -17,12 +17,14 @@
 
 #include <unicode/udat.h>
 
+extern "C" {
 #include "php_intl.h"
+}
 #include "dateformat_class.h"
 #include "dateformat.h"
 
 /* {{{ Get formatter's last error code. */
-PHP_FUNCTION( datefmt_get_error_code )
+U_CFUNC PHP_FUNCTION( datefmt_get_error_code )
 {
 	DATE_FORMAT_METHOD_INIT_VARS;
 
@@ -41,7 +43,7 @@ PHP_FUNCTION( datefmt_get_error_code )
 /* }}} */
 
 /* {{{ Get text description for formatter's last error code. */
-PHP_FUNCTION( datefmt_get_error_message )
+U_CFUNC PHP_FUNCTION( datefmt_get_error_message )
 {
 	zend_string *message = NULL;
 	DATE_FORMAT_METHOD_INIT_VARS;