--- /dev/null 2015-09-21 09:36:40.397057507 +0200 +++ new/src/share/vm/utilities/json.hpp 2015-09-22 16:26:56.629641772 +0200 @@ -0,0 +1,130 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_UTILITIES_JSON_HPP +#define SHARE_VM_UTILITIES_JSON_HPP + +#include "memory/allocation.hpp" +#include "utilities/globalDefinitions.hpp" + +#if defined(__APPLE__) || defined(_WINDOWS) || defined(SOLARIS) +// strchrnul not available on osx +const char* strchrnul(const char *s, int c); +#endif + +class JSON : public ResourceObj { + protected: + JSON(const char* text, bool silent); + void parse(); + bool valid(); + + typedef enum { + JSON_NONE, + JSON_OBJECT_BEGIN, + JSON_OBJECT_END, + JSON_ARRAY_BEGIN, + JSON_ARRAY_END, + JSON_KEY, + JSON_STRING, + JSON_NUMBER_INT, + JSON_NUMBER_FLOAT, + JSON_TRUE, + JSON_FALSE, + JSON_NULL + } JSON_TYPE; + + typedef union { + int64_t int_value; + double double_value; + + struct { + const char* start; + size_t length; + } str; + } JSON_VAL; + + typedef enum { + INTERNAL_ERROR, + SYNTAX_ERROR, + KEY_ERROR, + VALUE_ERROR + } JSON_ERROR; + + void error(JSON_ERROR e, const char* format, ...) ATTRIBUTE_PRINTF(3, 4); + + private: + const char* start; + const char* pos; + + // For error printing + const char* mark; // Error marker + uint level; // CMH Remove? + uint line; // TODO: correct type? + uint column; + + bool silent; + bool _valid; + + bool parse_json_value(); + bool parse_json_object(); + bool parse_json_array(); + bool parse_json_string(bool key = false); + bool parse_json_key(); + bool parse_json_number(); + bool parse_json_symbol(const char* name, JSON_TYPE symbol); + + virtual bool callback(JSON_TYPE t, JSON_VAL* v, uint level) = 0; + + void mark_pos(); + u_char next(); + u_char peek(); + u_char peek(size_t i); + int expect_any(const char* valid_chars, const char* error_msg, JSON_ERROR e = SYNTAX_ERROR); + bool expect_string(const char* expected_string, const char* error_msg = "", JSON_ERROR e = SYNTAX_ERROR); + size_t skip(size_t i); + int skip_to_token(); + u_char skip_to(u_char want); + u_char skip_line_comment(); + int skip_block_comment(); + + const char* strerror(JSON_ERROR e); +}; + +#ifndef PRODUCT +class JSONTest : public JSON { + public: + static bool test(); + + private: + JSONTest(const char* text); + static void test(const char* json, bool valid); + + void log(uint level, const char* format, ...) ATTRIBUTE_PRINTF(3, 4); + + bool callback(JSON_TYPE t, JSON_VAL* v, uint level); + JSON_TYPE prev; +}; +#endif + +#endif // SHARE_VM_UTILITIES_JSON_HPP