* ext/jason: revert r27493. came again after canceling gcc-ism.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 0 insertions, 1518 deletions

diff --git a/ext/json/generator/extconf.rb b/ext/json/generator/extconf.rb
deleted file mode 100644
index ff231a6fe9..0000000000
--- a/ext/json/generator/extconf.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-require 'mkmf'
-require 'rbconfig'
-
-unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O3')
-  $CFLAGS << ' -O3'
-end
-if CONFIG['CC'] =~ /gcc/
-  $CFLAGS << ' -Wall'
-  #unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O0 -ggdb')
-  #  $CFLAGS << ' -O0 -ggdb'
-  #end
-end
-
-create_makefile 'json/ext/generator'
diff --git a/ext/json/generator/generator.c b/ext/json/generator/generator.c
deleted file mode 100644
index 555fcce4ab..0000000000
--- a/ext/json/generator/generator.c
+++ /dev/null
@@ -1,1334 +0,0 @@
-#include "generator.h"
-
-#ifdef HAVE_RUBY_ENCODING_H
-static VALUE CEncoding_UTF_8;
-static ID i_encoding, i_encode;
-#endif
-
-static VALUE mJSON, mExt, mGenerator, cState, mGeneratorMethods, mObject,
-             mHash, mArray, mInteger, mFloat, mString, mString_Extend,
-             mTrueClass, mFalseClass, mNilClass, eGeneratorError,
-             eNestingError, CRegexp_MULTILINE, CJSON_SAFE_STATE_PROTOTYPE;
-
-static ID i_to_s, i_to_json, i_new, i_indent, i_space, i_space_before,
-          i_object_nl, i_array_nl, i_max_nesting, i_allow_nan, i_ascii_only,
-          i_pack, i_unpack, i_create_id, i_extend, i_key_p, i_aref, i_send,
-          i_respond_to_p, i_match;
-
-/*
- * Copyright 2001-2004 Unicode, Inc.
- * 
- * Disclaimer
- * 
- * This source code is provided as is by Unicode, Inc. No claims are
- * made as to fitness for any particular purpose. No warranties of any
- * kind are expressed or implied. The recipient agrees to determine
- * applicability of information provided. If this file has been
- * purchased on magnetic or optical media from Unicode, Inc., the
- * sole remedy for any claim will be exchange of defective media
- * within 90 days of receipt.
- * 
- * Limitations on Rights to Redistribute This Code
- * 
- * Unicode, Inc. hereby grants the right to freely use the information
- * supplied in this file in the creation of products supporting the
- * Unicode Standard, and to make copies of this file in any form
- * for internal or external distribution as long as this notice
- * remains attached.
- */
-
-/*
- * Index into the table below with the first byte of a UTF-8 sequence to
- * get the number of trailing bytes that are supposed to follow it.
- * Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is
- * left as-is for anyone who may want to do such conversion, which was
- * allowed in earlier algorithms.
- */
-static const char trailingBytesForUTF8[256] = {
-    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
-    2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
-};
-
-/*
- * Magic values subtracted from a buffer value during UTF8 conversion.
- * This table contains as many values as there might be trailing bytes
- * in a UTF-8 sequence.
- */
-static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, 
-		     0x03C82080UL, 0xFA082080UL, 0x82082080UL };
-
-/*
- * Utility routine to tell whether a sequence of bytes is legal UTF-8.
- * This must be called with the length pre-determined by the first byte.
- * If not calling this from ConvertUTF8to*, then the length can be set by:
- *  length = trailingBytesForUTF8[*source]+1;
- * and the sequence is illegal right away if there aren't that many bytes
- * available.
- * If presented with a length > 4, this returns 0.  The Unicode
- * definition of UTF-8 goes up to 4-byte sequences.
- */
-static unsigned char isLegalUTF8(const UTF8 *source, int length)
-{
-    UTF8 a;
-    const UTF8 *srcptr = source+length;
-    switch (length) {
-        default: return 0;
-                 /* Everything else falls through when "1"... */
-        case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0;
-        case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0;
-        case 2: if ((a = (*--srcptr)) > 0xBF) return 0;
-
-                    switch (*source) {
-                        /* no fall-through in this inner switch */
-                        case 0xE0: if (a < 0xA0) return 0; break;
-                        case 0xED: if (a > 0x9F) return 0; break;
-                        case 0xF0: if (a < 0x90) return 0; break;
-                        case 0xF4: if (a > 0x8F) return 0; break;
-                        default:   if (a < 0x80) return 0;
-                    }
-
-        case 1: if (*source >= 0x80 && *source < 0xC2) return 0;
-    }
-    if (*source > 0xF4) return 0;
-    return 1;
-}
-
-/* Escapes the UTF16 character and stores the result in the buffer buf. */
-static void unicode_escape(char *buf, UTF16 character)
-{
-    const char *digits = "0123456789abcdef";
-
-    buf[2] = digits[character >> 12];
-    buf[3] = digits[(character >> 8) & 0xf];
-    buf[4] = digits[(character >> 4) & 0xf];
-    buf[5] = digits[character & 0xf];
-}
-
-/* Escapes the UTF16 character and stores the result in the buffer buf, then
- * the buffer buf іs appended to the FBuffer buffer. */
-static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16
-        character)
-{
-    unicode_escape(buf, character);
-    fbuffer_append(buffer, buf, 6);
-}
-
-/* Converts string to a JSON string in FBuffer buffer, where all but the ASCII
- * and control characters are JSON escaped. */
-static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string)
-{
-    const UTF8 *source = (UTF8 *) RSTRING_PTR(string);
-    const UTF8 *sourceEnd = source + RSTRING_LEN(string);
-    char buf[6] = { '\\', 'u' };
-
-    while (source < sourceEnd) {
-        UTF32 ch = 0;
-        unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
-        if (source + extraBytesToRead >= sourceEnd) {
-            rb_raise(rb_path2class("JSON::GeneratorError"),
-                    "partial character in source, but hit end");
-        }
-        if (!isLegalUTF8(source, extraBytesToRead+1)) {
-            rb_raise(rb_path2class("JSON::GeneratorError"),
-                    "source sequence is illegal/malformed utf-8");
-        }
-        /*
-         * The cases all fall through. See "Note A" below.
-         */
-        switch (extraBytesToRead) {
-            case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
-            case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
-            case 3: ch += *source++; ch <<= 6;
-            case 2: ch += *source++; ch <<= 6;
-            case 1: ch += *source++; ch <<= 6;
-            case 0: ch += *source++;
-        }
-        ch -= offsetsFromUTF8[extraBytesToRead];
-
-        if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
-            /* UTF-16 surrogate values are illegal in UTF-32 */
-            if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
-#if UNI_STRICT_CONVERSION
-                source -= (extraBytesToRead+1); /* return to the illegal value itself */
-                rb_raise(rb_path2class("JSON::GeneratorError"),
-                        "source sequence is illegal/malformed utf-8");
-#else
-                unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR);
-#endif
-            } else {
-                /* normal case */
-                if (ch >= 0x20 && ch <= 0x7f) {
-                    switch (ch) {
-                        case '\\':
-                            fbuffer_append(buffer, "\\\\", 2);
-                            break;
-                        case '"':
-                            fbuffer_append(buffer, "\\\"", 2);
-                            break;
-                        default:
-                            fbuffer_append_char(buffer, ch);
-                            break;
-                    }
-                } else {
-                    switch (ch) {
-                        case '\n':
-                            fbuffer_append(buffer, "\\n", 2);
-                            break;
-                        case '\r':
-                            fbuffer_append(buffer, "\\r", 2);
-                            break;
-                        case '\t':
-                            fbuffer_append(buffer, "\\t", 2);
-                            break;
-                        case '\f':
-                            fbuffer_append(buffer, "\\f", 2);
-                            break;
-                        case '\b':
-                            fbuffer_append(buffer, "\\b", 2);
-                            break;
-                        default:
-                            unicode_escape_to_buffer(buffer, buf, (UTF16) ch);
-                            break;
-                    }
-                }
-            }
-        } else if (ch > UNI_MAX_UTF16) {
-#if UNI_STRICT_CONVERSION
-            source -= (extraBytesToRead+1); /* return to the start */
-            rb_raise(rb_path2class("JSON::GeneratorError"),
-                    "source sequence is illegal/malformed utf8");
-#else
-            unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR);
-#endif
-        } else {
-            /* target is a character in range 0xFFFF - 0x10FFFF. */
-            ch -= halfBase;
-            unicode_escape_to_buffer(buffer, buf, (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START));
-            unicode_escape_to_buffer(buffer, buf, (UTF16)((ch & halfMask) + UNI_SUR_LOW_START));
-        }
-    }
-}
-
-/* Converts string to a JSON string in FBuffer buffer, where only the
- * characters required by the JSON standard are JSON escaped. The remaining
- * characters (should be UTF8) are just passed through and appended to the
- * result. */
-static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string)
-{
-    const char *ptr = RSTRING_PTR(string), *p;
-    int len = RSTRING_LEN(string), start = 0, end = 0;
-    const char *escape = NULL;
-    int escape_len;
-    unsigned char c;
-    char buf[6] = { '\\', 'u' };
-
-    for (start = 0, end = 0; end < len;) {
-        p = ptr + end;
-        c = (unsigned char) *p;
-        if (c < 0x20) {
-            switch (c) {
-                case '\n':
-                    escape = "\\n";
-                    escape_len = 2;
-                    break;
-                case '\r':
-                    escape = "\\r";
-                    escape_len = 2;
-                    break;
-                case '\t':
-                    escape = "\\t";
-                    escape_len = 2;
-                    break;
-                case '\f':
-                    escape = "\\f";
-                    escape_len = 2;
-                    break;
-                case '\b':
-                    escape = "\\b";
-                    escape_len = 2;
-                    break;
-                default:
-                    unicode_escape(buf, (UTF16) *p);
-                    escape = buf;
-                    escape_len = 6;
-                    break;
-            }
-        } else {
-            switch (c) {
-                case '\\':
-                    escape = "\\\\";
-                    escape_len = 2;
-                    break;
-                case '"':
-                    escape =  "\\\"";
-                    escape_len = 2;
-                    break;
-                default:
-                    end++;
-                    continue;
-                    break;
-            }
-        }
-        fbuffer_append(buffer, ptr + start, end - start);
-        fbuffer_append(buffer, escape, escape_len);
-        start = ++end;
-        escape = NULL;
-    }
-    fbuffer_append(buffer, ptr + start, end - start);
-}
-
-static char *fstrndup(const char *ptr, int len) {
-  if (len <= 0) return NULL;
-  char *result = ALLOC_N(char, len);
-  memccpy(result, ptr, 0, len);
-  return result;
-}
-
-/* fbuffer implementation */
-
-static FBuffer *fbuffer_alloc()
-{
-    FBuffer *fb = ALLOC(FBuffer);
-    memset((void *) fb, 0, sizeof(FBuffer));
-    fb->initial_length = FBUFFER_INITIAL_LENGTH;
-    return fb;
-}
-
-static FBuffer *fbuffer_alloc_with_length(unsigned int initial_length)
-{
-    assert(initial_length > 0);
-    FBuffer *fb = ALLOC(FBuffer);
-    memset((void *) fb, 0, sizeof(FBuffer));
-    fb->initial_length = initial_length;
-    return fb;
-}
-
-static void fbuffer_free(FBuffer *fb)
-{
-    if (fb->ptr) ruby_xfree(fb->ptr);
-    ruby_xfree(fb);
-}
-
-static void fbuffer_free_only_buffer(FBuffer *fb)
-{
-    ruby_xfree(fb);
-}
-
-static void fbuffer_clear(FBuffer *fb)
-{
-    fb->len = 0;
-}
-
-static void fbuffer_inc_capa(FBuffer *fb, unsigned int requested)
-{
-    unsigned int required;
-
-    if (!fb->ptr) {
-        fb->ptr = ALLOC_N(char, fb->initial_length);
-        fb->capa = fb->initial_length;
-    }
-
-    for (required = fb->capa; requested > required - fb->len; required <<= 1);
-
-    if (required > fb->capa) {
-        fb->ptr = (char *) REALLOC_N((long*) fb->ptr, char, required);
-        fb->capa = required;
-    }
-}
-
-static void fbuffer_append(FBuffer *fb, const char *newstr, unsigned int len)
-{
-    if (len > 0) {
-        fbuffer_inc_capa(fb, len);
-        MEMCPY(fb->ptr + fb->len, newstr, char, len);
-        fb->len += len;
-    }
-}
-
-static void fbuffer_append_char(FBuffer *fb, char newchr)
-{
-    fbuffer_inc_capa(fb, 1);
-    *(fb->ptr + fb->len) = newchr;
-    fb->len++;
-}
-
-static void freverse(char *start, char *end)
-{
-	char c;
-
-	while (end > start) {
-		c = *end, *end-- = *start, *start++ = c;
-    }
-}
-
-static int fltoa(long number, char *buf)
-{
-	static char digits[] = "0123456789";
-	long sign = number;
-	char* tmp = buf;
-
-	if (sign < 0) number = -number;
-    do *tmp++ = digits[number % 10]; while (number /= 10);
-	if (sign < 0) *tmp++ = '-';
-	freverse(buf, tmp - 1);
-    return tmp - buf;
-}
-
-static void fbuffer_append_long(FBuffer *fb, long number)
-{
-    char buf[20];
-    int len = fltoa(number, buf);
-    fbuffer_append(fb, buf, len);
-}
-
-static FBuffer *fbuffer_dup(FBuffer *fb)
-{
-    int len = fb->len;
-    FBuffer *result;
-
-    if (len > 0) {
-        result = fbuffer_alloc_with_length(len);
-        fbuffer_append(result, FBUFFER_PAIR(fb));
-    } else {
-        result = fbuffer_alloc();
-    }
-    return result;
-}
-
-/* 
- * Document-module: JSON::Ext::Generator
- *
- * This is the JSON generator implemented as a C extension. It can be
- * configured to be used by setting
- *
- *  JSON.generator = JSON::Ext::Generator
- *
- * with the method generator= in JSON.
- *
- */
-
-/*
- * call-seq: to_json(state = nil, depth = 0)
- *
- * Returns a JSON string containing a JSON object, that is generated from
- * this Hash instance.
- * _state_ is a JSON::State object, that can also be used to configure the
- * produced JSON string output further.
- * _depth_ is used to find out nesting depth, to indent accordingly.
- */
-static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: to_json(state = nil, depth = 0)
- *
- * Returns a JSON string containing a JSON array, that is generated from
- * this Array instance.
- * _state_ is a JSON::State object, that can also be used to configure the
- * produced JSON string output further.
- * _depth_ is used to find out nesting depth, to indent accordingly.
- */
-static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self) {
-    VALUE state, depth;
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: to_json(*)
- *
- * Returns a JSON string representation for this Integer number.
- */
-static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: to_json(*)
- *
- * Returns a JSON string representation for this Float number.
- */
-static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: String.included(modul)
- *
- * Extends _modul_ with the String::Extend module.
- */
-static VALUE mString_included_s(VALUE self, VALUE modul) {
-    VALUE result = rb_funcall(modul, i_extend, 1, mString_Extend);
-    return result;
-}
-
-/*
- * call-seq: to_json(*)
- *
- * This string should be encoded with UTF-8 A call to this method
- * returns a JSON string encoded with UTF16 big endian characters as
- * \u????.
- */
-static VALUE mString_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: to_json_raw_object()
- *
- * This method creates a raw object hash, that can be nested into
- * other data structures and will be generated as a raw string. This
- * method should be used, if you want to convert raw strings to JSON
- * instead of UTF-8 strings, e. g. binary data.
- */
-static VALUE mString_to_json_raw_object(VALUE self)
-{
-    VALUE ary;
-    VALUE result = rb_hash_new();
-    rb_hash_aset(result, rb_funcall(mJSON, i_create_id, 0), rb_class_name(rb_obj_class(self)));
-    ary = rb_funcall(self, i_unpack, 1, rb_str_new2("C*"));
-    rb_hash_aset(result, rb_str_new2("raw"), ary);
-    return result;
-}
-
-/*
- * call-seq: to_json_raw(*args)
- *
- * This method creates a JSON text from the result of a call to
- * to_json_raw_object of this String.
- */
-static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self)
-{
-    VALUE obj = mString_to_json_raw_object(self);
-    Check_Type(obj, T_HASH);
-    return mHash_to_json(argc, argv, obj);
-}
-
-/*
- * call-seq: json_create(o)
- *
- * Raw Strings are JSON Objects (the raw bytes are stored in an array for the
- * key "raw"). The Ruby String can be created by this module method.
- */
-static VALUE mString_Extend_json_create(VALUE self, VALUE o)
-{
-    VALUE ary;
-    Check_Type(o, T_HASH);
-    ary = rb_hash_aref(o, rb_str_new2("raw"));
-    return rb_funcall(ary, i_pack, 1, rb_str_new2("C*"));
-}
-
-/*
- * call-seq: to_json(*)
- *
- * Returns a JSON string for true: 'true'.
- */
-static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: to_json(*)
- *
- * Returns a JSON string for false: 'false'.
- */
-static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: to_json(*)
- *
- */
-static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, self, depth);
-}
-
-/*
- * call-seq: to_json(*)
- *
- * Converts this object to a string (calling #to_s), converts
- * it to a JSON string, and returns the result. This is a fallback, if no
- * special method #to_json was defined for some object.
- */
-static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self)
-{
-    VALUE state, depth;
-    VALUE string = rb_funcall(self, i_to_s, 0);
-    rb_scan_args(argc, argv, "02", &state, &depth);
-    Check_Type(string, T_STRING);
-    state = cState_from_state_s(cState, state);
-    return cState_partial_generate(state, string, depth);
-}
-
-static void State_free(JSON_Generator_State *state)
-{
-    if (state->indent) ruby_xfree(state->indent);
-    if (state->space) ruby_xfree(state->space);
-    if (state->space_before) ruby_xfree(state->space_before);
-    if (state->object_nl) ruby_xfree(state->object_nl);
-    if (state->array_nl) ruby_xfree(state->array_nl);
-    if (state->array_delim) fbuffer_free(state->array_delim);
-    if (state->object_delim) fbuffer_free(state->object_delim);
-    if (state->object_delim2) fbuffer_free(state->object_delim2);
-    ruby_xfree(state);
-}
-
-static JSON_Generator_State *State_allocate()
-{
-    JSON_Generator_State *state = ALLOC(JSON_Generator_State);
-    return state;
-}
-
-static VALUE cState_s_allocate(VALUE klass)
-{
-    JSON_Generator_State *state = State_allocate();
-    return Data_Wrap_Struct(klass, NULL, State_free, state);
-}
-
-/*
- * call-seq: configure(opts)
- *
- * Configure this State instance with the Hash _opts_, and return
- * itself.
- */
-static VALUE cState_configure(VALUE self, VALUE opts)
-{
-    VALUE tmp;
-    GET_STATE(self);
-    tmp = rb_convert_type(opts, T_HASH, "Hash", "to_hash");
-    if (NIL_P(tmp)) tmp = rb_convert_type(opts, T_HASH, "Hash", "to_h");
-    if (NIL_P(tmp)) {
-        rb_raise(rb_eArgError, "opts has to be hash like or convertable into a hash");
-    }
-    opts = tmp;
-    tmp = rb_hash_aref(opts, ID2SYM(i_indent));
-    if (RTEST(tmp)) {
-        Check_Type(tmp, T_STRING);
-        int len = RSTRING_LEN(tmp);
-        state->indent = fstrndup(RSTRING_PTR(tmp), len);
-        state->indent_len = len;
-    }
-    tmp = rb_hash_aref(opts, ID2SYM(i_space));
-    if (RTEST(tmp)) {
-        Check_Type(tmp, T_STRING);
-        int len = RSTRING_LEN(tmp);
-        state->space = fstrndup(RSTRING_PTR(tmp), len);
-        state->space_len = len;
-    }
-    tmp = rb_hash_aref(opts, ID2SYM(i_space_before));
-    if (RTEST(tmp)) {
-        Check_Type(tmp, T_STRING);
-        int len = RSTRING_LEN(tmp);
-        state->space_before = fstrndup(RSTRING_PTR(tmp), len);
-        state->space_before_len = len;
-    }
-    tmp = rb_hash_aref(opts, ID2SYM(i_array_nl));
-    if (RTEST(tmp)) {
-        Check_Type(tmp, T_STRING);
-        int len = RSTRING_LEN(tmp);
-        state->array_nl = fstrndup(RSTRING_PTR(tmp), len);
-        state->array_nl_len = len;
-    }
-    tmp = rb_hash_aref(opts, ID2SYM(i_object_nl));
-    if (RTEST(tmp)) {
-        Check_Type(tmp, T_STRING);
-        int len = RSTRING_LEN(tmp);
-        state->object_nl = fstrndup(RSTRING_PTR(tmp), len);
-        state->object_nl_len = len;
-    }
-    tmp = ID2SYM(i_max_nesting);
-    state->max_nesting = 19;
-    if (option_given_p(opts, tmp)) {
-        VALUE max_nesting = rb_hash_aref(opts, tmp);
-        if (RTEST(max_nesting)) {
-            Check_Type(max_nesting, T_FIXNUM);
-            state->max_nesting = FIX2LONG(max_nesting);
-        } else {
-            state->max_nesting = 0;
-        }
-    }
-    tmp = rb_hash_aref(opts, ID2SYM(i_allow_nan));
-    state->allow_nan = RTEST(tmp);
-    tmp = rb_hash_aref(opts, ID2SYM(i_ascii_only));
-    state->ascii_only = RTEST(tmp);
-    return self;
-}
-
-/*
- * call-seq: to_h
- *
- * Returns the configuration instance variables as a hash, that can be
- * passed to the configure method.
- */
-static VALUE cState_to_h(VALUE self)
-{
-    VALUE result = rb_hash_new();
-    GET_STATE(self);
-    rb_hash_aset(result, ID2SYM(i_indent), rb_str_new(state->indent, state->indent_len));
-    rb_hash_aset(result, ID2SYM(i_space), rb_str_new(state->space, state->space_len));
-    rb_hash_aset(result, ID2SYM(i_space_before), rb_str_new(state->space_before, state->space_before_len));
-    rb_hash_aset(result, ID2SYM(i_object_nl), rb_str_new(state->object_nl, state->object_nl_len));
-    rb_hash_aset(result, ID2SYM(i_array_nl), rb_str_new(state->array_nl, state->array_nl_len));
-    rb_hash_aset(result, ID2SYM(i_allow_nan), state->allow_nan ? Qtrue : Qfalse);
-    rb_hash_aset(result, ID2SYM(i_ascii_only), state->ascii_only ? Qtrue : Qfalse);
-    rb_hash_aset(result, ID2SYM(i_max_nesting), LONG2FIX(state->max_nesting));
-    return result;
-}
-
-/*
-* call-seq: [](name)
-*
-* Return the value returned by method +name+.
-*/
-static VALUE cState_aref(VALUE self, VALUE name)
-{
-    GET_STATE(self);
-    if (RTEST(rb_funcall(self, i_respond_to_p, 1, name))) {
-        return rb_funcall(self, i_send, 1, name);
-    } else {
-        return Qnil;
-    }
-}
-
-static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj, long depth)
-{
-    VALUE tmp;
-    switch (TYPE(obj)) {
-        case T_HASH:
-            {
-                char *object_nl = state->object_nl;
-                long object_nl_len = state->object_nl_len;
-                char *indent = state->indent;
-                long indent_len = state->indent_len;
-                long max_nesting = state->max_nesting;
-                char *delim = FBUFFER_PTR(state->object_delim);
-                long delim_len = FBUFFER_LEN(state->object_delim);
-                char *delim2 = FBUFFER_PTR(state->object_delim2);
-                long delim2_len = FBUFFER_LEN(state->object_delim2);
-                int i, j;
-                depth++;
-                if (max_nesting != 0 && depth > max_nesting) {
-                    fbuffer_free(buffer);
-                    rb_raise(eNestingError, "nesting of %ld is too deep", depth);
-                }
-                fbuffer_append_char(buffer, '{');
-                VALUE keys = rb_funcall(obj, rb_intern("keys"), 0);
-                VALUE key, key_to_s;
-                for(i = 0; i < RARRAY_LEN(keys); i++) {
-                    if (i > 0) fbuffer_append(buffer, delim, delim_len);
-                    if (object_nl) {
-                        fbuffer_append(buffer, object_nl, object_nl_len);
-                    }
-                    if (indent) {
-                        for (j = 0; j < depth; j++) {
-                            fbuffer_append(buffer, indent, indent_len);
-                        }
-                    }
-                    key = rb_ary_entry(keys, i);
-                    key_to_s = rb_funcall(key, i_to_s, 0);
-                    Check_Type(key_to_s, T_STRING);
-                    generate_json(buffer, Vstate, state, key_to_s, depth);
-                    fbuffer_append(buffer, delim2, delim2_len);
-                    generate_json(buffer, Vstate, state, rb_hash_aref(obj, key), depth);
-                }
-                depth--;
-                if (object_nl) {
-                    fbuffer_append(buffer, object_nl, object_nl_len);
-                    if (indent) {
-                        for (j = 0; j < depth; j++) {
-                            fbuffer_append(buffer, indent, indent_len);
-                        }
-                    }
-                }
-                fbuffer_append_char(buffer, '}');
-            }
-            break;
-        case T_ARRAY:
-            {
-                char *array_nl = state->array_nl;
-                long array_nl_len = state->array_nl_len;
-                char *indent = state->indent;
-                long indent_len = state->indent_len;
-                long max_nesting = state->max_nesting;
-                char *delim = FBUFFER_PTR(state->array_delim);
-                long delim_len = FBUFFER_LEN(state->array_delim);
-                int i, j;
-                depth++;
-                if (max_nesting != 0 && depth > max_nesting) {
-                    fbuffer_free(buffer);
-                    rb_raise(eNestingError, "nesting of %ld is too deep", depth);
-                }
-                fbuffer_append_char(buffer, '[');
-                if (array_nl) fbuffer_append(buffer, array_nl, array_nl_len);
-                for(i = 0; i < RARRAY_LEN(obj); i++) {
-                    if (i > 0) fbuffer_append(buffer, delim, delim_len);
-                    if (indent) {
-                        for (j = 0; j < depth; j++) {
-                            fbuffer_append(buffer, indent, indent_len);
-                        }
-                    }
-                    generate_json(buffer, Vstate, state, rb_ary_entry(obj, i), depth);
-                }
-                depth--;
-                if (array_nl) {
-                    fbuffer_append(buffer, array_nl, array_nl_len);
-                    if (indent) {
-                        for (j = 0; j < depth; j++) {
-                            fbuffer_append(buffer, indent, indent_len);
-                        }
-                    }
-                }
-                fbuffer_append_char(buffer, ']');
-            }
-            break;
-        case T_STRING:
-            fbuffer_append_char(buffer, '"');
-#ifdef HAVE_RUBY_ENCODING_H
-            obj = rb_funcall(obj, i_encode, 1, CEncoding_UTF_8);
-#endif
-            if (state->ascii_only) {
-                convert_UTF8_to_JSON_ASCII(buffer, obj);
-            } else {
-                convert_UTF8_to_JSON(buffer, obj);
-            }
-            fbuffer_append_char(buffer, '"');
-            break;
-        case T_NIL:
-            fbuffer_append(buffer, "null", 4);
-            break;
-        case T_FALSE:
-            fbuffer_append(buffer, "false", 5);
-            break;
-        case T_TRUE:
-            fbuffer_append(buffer, "true", 4);
-            break;
-        case T_FIXNUM:
-            fbuffer_append_long(buffer, FIX2LONG(obj));
-            break;
-        case T_BIGNUM:
-            tmp = rb_funcall(obj, i_to_s, 0);
-            fbuffer_append(buffer, RSTRING_PAIR(tmp));
-            break;
-        case T_FLOAT:
-            {
-                double value = RFLOAT_VALUE(obj);
-                char allow_nan = state->allow_nan;
-                tmp = rb_funcall(obj, i_to_s, 0);
-                if (!allow_nan) {
-                    if (isinf(value)) {
-                        fbuffer_free(buffer);
-                        rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp));
-                    } else if (isnan(value)) {
-                        fbuffer_free(buffer);
-                        rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp));
-                    }
-                }
-                fbuffer_append(buffer, RSTRING_PAIR(tmp));
-            }
-            break;
-        default:
-            if (rb_respond_to(obj, i_to_json)) {
-                tmp = rb_funcall(obj, i_to_json, 2, Vstate, INT2FIX(depth + 1));
-                Check_Type(tmp, T_STRING);
-                fbuffer_append(buffer, RSTRING_PAIR(tmp));
-            } else {
-                tmp = rb_funcall(obj, i_to_s, 0);
-                Check_Type(tmp, T_STRING);
-                generate_json(buffer, Vstate, state, tmp, depth + 1);
-            }
-            break;
-    }
-}
-
-/*
- * call-seq: partial_generate(obj)
- *
- * Generates a part of a JSON document from object +obj+ and returns the
- * result.
- */
-static VALUE cState_partial_generate(VALUE self, VALUE obj, VALUE depth)
-{
-    VALUE result;
-    FBuffer *buffer = fbuffer_alloc();
-    GET_STATE(self);
-
-    if (state->object_delim) {
-        fbuffer_clear(state->object_delim);
-    } else {
-        state->object_delim = fbuffer_alloc_with_length(16);
-    }
-    fbuffer_append_char(state->object_delim, ',');
-    if (state->object_delim2) {
-        fbuffer_clear(state->object_delim2);
-    } else {
-        state->object_delim2 = fbuffer_alloc_with_length(16);
-    }
-    fbuffer_append_char(state->object_delim2, ':');
-    if (state->space) fbuffer_append(state->object_delim2, state->space, state->space_len);
-
-    if (state->array_delim) {
-        fbuffer_clear(state->array_delim);
-    } else {
-        state->array_delim = fbuffer_alloc_with_length(16);
-    }
-    fbuffer_append_char(state->array_delim, ',');
-    if (state->array_nl) fbuffer_append(state->array_delim, state->array_nl, state->array_nl_len);
-
-    generate_json(buffer, self, state, obj, NIL_P(depth) ? 0 : FIX2INT(depth));
-    result = rb_str_new(FBUFFER_PAIR(buffer));
-    fbuffer_free_only_buffer(buffer);
-    FORCE_UTF8(result);
-    return result;
-}
-
-/*
- * call-seq: generate(obj)
- *
- * Generates a valid JSON document from object +obj+ and returns the
- * result. If no valid JSON document can be created this method raises a
- * GeneratorError exception.
- */
-static VALUE cState_generate(VALUE self, VALUE obj)
-{
-    VALUE result = cState_partial_generate(self, obj, Qnil);
-    VALUE re, args[2];
-    args[0] = rb_str_new2("\\A\\s*(?:\\[.*\\]|\\{.*\\})\\s*\\Z");
-    args[1] = CRegexp_MULTILINE;
-    re = rb_class_new_instance(2, args, rb_cRegexp);
-    if (NIL_P(rb_funcall(re, i_match, 1, result))) {
-        rb_raise(eGeneratorError, "only generation of JSON objects or arrays allowed");
-    }
-    return result;
-}
-
-/*
- * call-seq: new(opts = {})
- *
- * Instantiates a new State object, configured by _opts_.
- *
- * _opts_ can have the following keys:
- *
- * * *indent*: a string used to indent levels (default: ''),
- * * *space*: a string that is put after, a : or , delimiter (default: ''),
- * * *space_before*: a string that is put before a : pair delimiter (default: ''),
- * * *object_nl*: a string that is put at the end of a JSON object (default: ''), 
- * * *array_nl*: a string that is put at the end of a JSON array (default: ''),
- * * *allow_nan*: true if NaN, Infinity, and -Infinity should be
- *   generated, otherwise an exception is thrown, if these values are
- *   encountered. This options defaults to false.
- */
-static VALUE cState_initialize(int argc, VALUE *argv, VALUE self)
-{
-    VALUE opts;
-    GET_STATE(self);
-    MEMZERO(state, JSON_Generator_State, 1);
-    state->max_nesting = 19;
-    rb_scan_args(argc, argv, "01", &opts);
-    if (!NIL_P(opts)) cState_configure(self, opts);
-    return self;
-}
-
-/*
- * call-seq: initialize_copy(orig)
- *
- * Initializes this object from orig if it to be duplicated/cloned and returns
- * it.
-*/
-static VALUE cState_init_copy(VALUE obj, VALUE orig)
-{
-    JSON_Generator_State *objState, *origState;
-
-    Data_Get_Struct(obj, JSON_Generator_State, objState);
-    Data_Get_Struct(orig, JSON_Generator_State, origState);
-    if (!objState) rb_raise(rb_eArgError, "unallocated JSON::State");
-
-    MEMCPY(objState, origState, JSON_Generator_State, 1);
-    objState->indent = fstrndup(origState->indent, origState->indent_len);
-    objState->space = fstrndup(origState->space, origState->space_len);
-    objState->space_before = fstrndup(origState->space_before, origState->space_before_len);
-    objState->object_nl = fstrndup(origState->object_nl, origState->object_nl_len);
-    objState->array_nl = fstrndup(origState->array_nl, origState->array_nl_len);
-    if (origState->array_delim) objState->array_delim = fbuffer_dup(origState->array_delim);
-    if (origState->object_delim) objState->object_delim = fbuffer_dup(origState->object_delim);
-    if (origState->object_delim2) objState->object_delim2 = fbuffer_dup(origState->object_delim2);
-    return obj;
-}
-
-/*
- * call-seq: from_state(opts)
- *
- * Creates a State object from _opts_, which ought to be Hash to create a
- * new State instance configured by _opts_, something else to create an
- * unconfigured instance. If _opts_ is a State object, it is just returned.
- */
-static VALUE cState_from_state_s(VALUE self, VALUE opts)
-{
-    if (rb_obj_is_kind_of(opts, self)) {
-        return opts;
-    } else if (rb_obj_is_kind_of(opts, rb_cHash)) {
-        return rb_funcall(self, i_new, 1, opts);
-    } else {
-        if (NIL_P(CJSON_SAFE_STATE_PROTOTYPE)) {
-            CJSON_SAFE_STATE_PROTOTYPE = rb_const_get(mJSON, rb_intern("SAFE_STATE_PROTOTYPE"));
-        }
-        return CJSON_SAFE_STATE_PROTOTYPE;
-    }
-}
-
-/*
- * call-seq: indent()
- *
- * This string is used to indent levels in the JSON text.
- */
-static VALUE cState_indent(VALUE self)
-{
-    GET_STATE(self);
-    return state->indent ? rb_str_new2(state->indent) : rb_str_new2("");
-}
-
-/*
- * call-seq: indent=(indent)
- *
- * This string is used to indent levels in the JSON text.
- */
-static VALUE cState_indent_set(VALUE self, VALUE indent)
-{
-    GET_STATE(self);
-    Check_Type(indent, T_STRING);
-    if (RSTRING_LEN(indent) == 0) {
-        if (state->indent) {
-            ruby_xfree(state->indent);
-            state->indent = NULL;
-        }
-    } else {
-        if (state->indent) ruby_xfree(state->indent);
-        state->indent = strdup(RSTRING_PTR(indent));
-    }
-    return Qnil;
-}
-
-/*
- * call-seq: space()
- *
- * This string is used to insert a space between the tokens in a JSON
- * string.
- */
-static VALUE cState_space(VALUE self)
-{
-    GET_STATE(self);
-    return state->space ? rb_str_new2(state->space) : rb_str_new2("");
-}
-
-/*
- * call-seq: space=(space)
- *
- * This string is used to insert a space between the tokens in a JSON
- * string.
- */
-static VALUE cState_space_set(VALUE self, VALUE space)
-{
-    GET_STATE(self);
-    Check_Type(space, T_STRING);
-    if (RSTRING_LEN(space) == 0) {
-        if (state->space) {
-            ruby_xfree(state->space);
-            state->space = NULL;
-        }
-    } else {
-        if (state->space) ruby_xfree(state->space);
-        state->space = strdup(RSTRING_PTR(space));
-    }
-    return Qnil;
-}
-
-/*
- * call-seq: space_before()
- *
- * This string is used to insert a space before the ':' in JSON objects.
- */
-static VALUE cState_space_before(VALUE self)
-{
-    GET_STATE(self);
-    return state->space_before ? rb_str_new2(state->space_before) : rb_str_new2("");
-}
-
-/*
- * call-seq: space_before=(space_before)
- *
- * This string is used to insert a space before the ':' in JSON objects.
- */
-static VALUE cState_space_before_set(VALUE self, VALUE space_before)
-{
-    GET_STATE(self);
-    Check_Type(space_before, T_STRING);
-    if (RSTRING_LEN(space_before) == 0) {
-        if (state->space_before) {
-            ruby_xfree(state->space_before);
-            state->space_before = NULL;
-        }
-    } else {
-        if (state->space_before) ruby_xfree(state->space_before);
-        state->space_before = strdup(RSTRING_PTR(space_before));
-    }
-    return Qnil;
-}
-
-/*
- * call-seq: object_nl()
- *
- * This string is put at the end of a line that holds a JSON object (or
- * Hash).
- */
-static VALUE cState_object_nl(VALUE self)
-{
-    GET_STATE(self);
-    return state->object_nl ? rb_str_new2(state->object_nl) : rb_str_new2("");
-}
-
-/*
- * call-seq: object_nl=(object_nl)
- *
- * This string is put at the end of a line that holds a JSON object (or
- * Hash).
- */
-static VALUE cState_object_nl_set(VALUE self, VALUE object_nl)
-{
-    GET_STATE(self);
-    Check_Type(object_nl, T_STRING);
-    if (RSTRING_LEN(object_nl) == 0) {
-        if (state->object_nl) {
-            ruby_xfree(state->object_nl);
-            state->object_nl = NULL;
-        }
-    } else {
-        if (state->object_nl) ruby_xfree(state->object_nl);
-        state->object_nl = strdup(RSTRING_PTR(object_nl));
-    }
-    return Qnil;
-}
-
-/*
- * call-seq: array_nl()
- *
- * This string is put at the end of a line that holds a JSON array.
- */
-static VALUE cState_array_nl(VALUE self)
-{
-    GET_STATE(self);
-    return state->array_nl ? rb_str_new2(state->array_nl) : rb_str_new2("");
-}
-
-/*
- * call-seq: array_nl=(array_nl)
- *
- * This string is put at the end of a line that holds a JSON array.
- */
-static VALUE cState_array_nl_set(VALUE self, VALUE array_nl)
-{
-    GET_STATE(self);
-    Check_Type(array_nl, T_STRING);
-    if (RSTRING_LEN(array_nl) == 0) {
-        if (state->array_nl) {
-            ruby_xfree(state->array_nl);
-            state->array_nl = NULL;
-        }
-    } else {
-        if (state->array_nl) ruby_xfree(state->array_nl);
-        state->array_nl = strdup(RSTRING_PTR(array_nl));
-    }
-    return Qnil;
-}
-
-
-/*
-* call-seq: check_circular?
-*
-* Returns true, if circular data structures should be checked,
-* otherwise returns false.
-*/
-static VALUE cState_check_circular_p(VALUE self)
-{
-    GET_STATE(self);
-    return state->max_nesting ? Qtrue : Qfalse;
-}
-
-/*
- * call-seq: max_nesting
- *
- * This integer returns the maximum level of data structure nesting in
- * the generated JSON, max_nesting = 0 if no maximum is checked.
- */
-static VALUE cState_max_nesting(VALUE self)
-{
-    GET_STATE(self);
-    return LONG2FIX(state->max_nesting);
-}
-
-/*
- * call-seq: max_nesting=(depth)
- *
- * This sets the maximum level of data structure nesting in the generated JSON
- * to the integer depth, max_nesting = 0 if no maximum should be checked.
- */
-static VALUE cState_max_nesting_set(VALUE self, VALUE depth)
-{
-    GET_STATE(self);
-    Check_Type(depth, T_FIXNUM);
-    return state->max_nesting = FIX2LONG(depth);
-}
-
-/*
- * call-seq: allow_nan?
- *
- * Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise
- * returns false.
- */
-static VALUE cState_allow_nan_p(VALUE self)
-{
-    GET_STATE(self);
-    return state->allow_nan ? Qtrue : Qfalse;
-}
-
-/*
- * call-seq: ascii_only?
- *
- * Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise
- * returns false.
- */
-static VALUE cState_ascii_only_p(VALUE self)
-{
-    GET_STATE(self);
-    return state->ascii_only ? Qtrue : Qfalse;
-}
-
-/*
- *
- */
-void Init_generator()
-{
-    rb_require("json/common");
-
-    mJSON = rb_define_module("JSON");
-    mExt = rb_define_module_under(mJSON, "Ext");
-    mGenerator = rb_define_module_under(mExt, "Generator");
-
-    eGeneratorError = rb_path2class("JSON::GeneratorError");
-    eNestingError = rb_path2class("JSON::NestingError");
-
-    cState = rb_define_class_under(mGenerator, "State", rb_cObject);
-    rb_define_alloc_func(cState, cState_s_allocate);
-    rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1);
-    rb_define_method(cState, "initialize", cState_initialize, -1);
-    rb_define_method(cState, "initialize_copy", cState_init_copy, 1);
-    rb_define_method(cState, "indent", cState_indent, 0);
-    rb_define_method(cState, "indent=", cState_indent_set, 1);
-    rb_define_method(cState, "space", cState_space, 0);
-    rb_define_method(cState, "space=", cState_space_set, 1);
-    rb_define_method(cState, "space_before", cState_space_before, 0);
-    rb_define_method(cState, "space_before=", cState_space_before_set, 1);
-    rb_define_method(cState, "object_nl", cState_object_nl, 0);
-    rb_define_method(cState, "object_nl=", cState_object_nl_set, 1);
-    rb_define_method(cState, "array_nl", cState_array_nl, 0);
-    rb_define_method(cState, "array_nl=", cState_array_nl_set, 1);
-    rb_define_method(cState, "max_nesting", cState_max_nesting, 0);
-    rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1);
-    rb_define_method(cState, "check_circular?", cState_check_circular_p, 0);
-    rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0);
-    rb_define_method(cState, "ascii_only?", cState_ascii_only_p, 0);
-    rb_define_method(cState, "configure", cState_configure, 1);
-    rb_define_method(cState, "to_h", cState_to_h, 0);
-    rb_define_method(cState, "[]", cState_aref, 1);
-    rb_define_method(cState, "generate", cState_generate, 1);
-    rb_define_method(cState, "partial_generate", cState_partial_generate, 1);
-
-    mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods");
-    mObject = rb_define_module_under(mGeneratorMethods, "Object");
-    rb_define_method(mObject, "to_json", mObject_to_json, -1);
-    mHash = rb_define_module_under(mGeneratorMethods, "Hash");
-    rb_define_method(mHash, "to_json", mHash_to_json, -1);
-    mArray = rb_define_module_under(mGeneratorMethods, "Array");
-    rb_define_method(mArray, "to_json", mArray_to_json, -1);
-    mInteger = rb_define_module_under(mGeneratorMethods, "Integer");
-    rb_define_method(mInteger, "to_json", mInteger_to_json, -1);
-    mFloat = rb_define_module_under(mGeneratorMethods, "Float");
-    rb_define_method(mFloat, "to_json", mFloat_to_json, -1);
-    mString = rb_define_module_under(mGeneratorMethods, "String");
-    rb_define_singleton_method(mString, "included", mString_included_s, 1);
-    rb_define_method(mString, "to_json", mString_to_json, -1);
-    rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1);
-    rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0);
-    mString_Extend = rb_define_module_under(mString, "Extend");
-    rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1);
-    mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass");
-    rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1);
-    mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass");
-    rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1);
-    mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass");
-    rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1);
-
-    CRegexp_MULTILINE = rb_const_get(rb_cRegexp, rb_intern("MULTILINE"));
-    i_to_s = rb_intern("to_s");
-    i_to_json = rb_intern("to_json");
-    i_new = rb_intern("new");
-    i_indent = rb_intern("indent");
-    i_space = rb_intern("space");
-    i_space_before = rb_intern("space_before");
-    i_object_nl = rb_intern("object_nl");
-    i_array_nl = rb_intern("array_nl");
-    i_max_nesting = rb_intern("max_nesting");
-    i_allow_nan = rb_intern("allow_nan");
-    i_ascii_only = rb_intern("ascii_only");
-    i_pack = rb_intern("pack");
-    i_unpack = rb_intern("unpack");
-    i_create_id = rb_intern("create_id");
-    i_extend = rb_intern("extend");
-    i_key_p = rb_intern("key?");
-    i_aref = rb_intern("[]");
-    i_send = rb_intern("__send__");
-    i_respond_to_p = rb_intern("respond_to?");
-    i_match = rb_intern("match");
-#ifdef HAVE_RUBY_ENCODING_H
-    CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8"));
-    i_encoding = rb_intern("encoding");
-    i_encode = rb_intern("encode");
-#endif
-    CJSON_SAFE_STATE_PROTOTYPE = Qnil;
-}
diff --git a/ext/json/generator/generator.h b/ext/json/generator/generator.h
deleted file mode 100644
index 37240a9c6b..0000000000
--- a/ext/json/generator/generator.h
+++ /dev/null
@@ -1,170 +0,0 @@
-#ifndef _GENERATOR_H_
-#define _GENERATOR_H_
-
-#include <string.h>
-#include <assert.h>
-#include <math.h>
-
-#include "ruby.h"
-
-#if HAVE_RUBY_RE_H
-#include "ruby/re.h"
-#endif
-
-#if HAVE_RE_H
-#include "re.h"
-#endif
-
-#ifdef HAVE_RUBY_ENCODING_H
-#include "ruby/encoding.h"
-#define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding())
-#else
-#define FORCE_UTF8(obj)
-#endif
-
-#define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key))
-
-#ifndef RHASH_SIZE
-#define RHASH_SIZE(hsh) (RHASH(hsh)->tbl->num_entries)
-#endif
-
-#ifndef RFLOAT_VALUE
-#define RFLOAT_VALUE(val) (RFLOAT(val)->value)
-#endif
-
-#ifndef RARRAY_PTR
-#define RARRAY_PTR(ARRAY) RARRAY(ARRAY)->ptr
-#endif
-#ifndef RARRAY_LEN
-#define RARRAY_LEN(ARRAY) RARRAY(ARRAY)->len
-#endif
-#ifndef RSTRING_PTR
-#define RSTRING_PTR(string) RSTRING(string)->ptr
-#endif
-#ifndef RSTRING_LEN
-#define RSTRING_LEN(string) RSTRING(string)->len
-#endif
-
-#define RSTRING_PAIR(string) RSTRING_PTR(string), RSTRING_LEN(string)
-
-/* fbuffer implementation */
-
-typedef struct FBufferStruct {
-    unsigned int initial_length;
-    char *ptr;
-    unsigned int len;
-    unsigned int capa;
-} FBuffer;
-
-#define FBUFFER_INITIAL_LENGTH 4096
-
-#define FBUFFER_PTR(fb) (fb->ptr)
-#define FBUFFER_LEN(fb) (fb->len)
-#define FBUFFER_CAPA(fb) (fb->capa)
-#define FBUFFER_PAIR(fb) FBUFFER_PTR(fb), FBUFFER_LEN(fb)
-
-static char *fstrndup(const char *ptr, int len);
-static FBuffer *fbuffer_alloc();
-static FBuffer *fbuffer_alloc_with_length(unsigned initial_length);
-static void fbuffer_free(FBuffer *fb);
-static void fbuffer_free_only_buffer(FBuffer *fb);
-static void fbuffer_clear(FBuffer *fb);
-static void fbuffer_append(FBuffer *fb, const char *newstr, unsigned int len);
-static void fbuffer_append_long(FBuffer *fb, long number);
-static void fbuffer_append_char(FBuffer *fb, char newchr);
-static FBuffer *fbuffer_dup(FBuffer *fb);
-
-/* unicode defintions */
-
-#define UNI_STRICT_CONVERSION 1
-
-typedef unsigned long	UTF32;	/* at least 32 bits */
-typedef unsigned short	UTF16;	/* at least 16 bits */
-typedef unsigned char	UTF8;	/* typically 8 bits */
-
-#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
-#define UNI_MAX_BMP (UTF32)0x0000FFFF
-#define UNI_MAX_UTF16 (UTF32)0x0010FFFF
-#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF
-#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF
-
-#define UNI_SUR_HIGH_START  (UTF32)0xD800
-#define UNI_SUR_HIGH_END    (UTF32)0xDBFF
-#define UNI_SUR_LOW_START   (UTF32)0xDC00
-#define UNI_SUR_LOW_END     (UTF32)0xDFFF
-
-static const int halfShift  = 10; /* used for shifting by 10 bits */
-
-static const UTF32 halfBase = 0x0010000UL;
-static const UTF32 halfMask = 0x3FFUL;
-
-static unsigned char isLegalUTF8(const UTF8 *source, int length);
-static void unicode_escape(char *buf, UTF16 character);
-static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16 character);
-static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string);
-static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string);
-
-/* ruby api and some helpers */
-
-typedef struct JSON_Generator_StateStruct {
-    char *indent;
-    long indent_len;
-    char *space;
-    long space_len;
-    char *space_before;
-    long space_before_len;
-    char *object_nl;
-    long object_nl_len;
-    char *array_nl;
-    long array_nl_len;
-    FBuffer *array_delim;
-    FBuffer *object_delim;
-    FBuffer *object_delim2;
-    long max_nesting;
-    char allow_nan;
-    char ascii_only;
-} JSON_Generator_State;
-
-#define GET_STATE(self)                       \
-    JSON_Generator_State *state;              \
-    Data_Get_Struct(self, JSON_Generator_State, state)
-
-static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mString_included_s(VALUE self, VALUE modul);
-static VALUE mString_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mString_to_json_raw_object(VALUE self);
-static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self);
-static VALUE mString_Extend_json_create(VALUE self, VALUE o);
-static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self);
-static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self);
-static void State_free(JSON_Generator_State *state);
-static JSON_Generator_State *State_allocate();
-static VALUE cState_s_allocate(VALUE klass);
-static VALUE cState_configure(VALUE self, VALUE opts);
-static VALUE cState_to_h(VALUE self);
-static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj, long depth);
-static VALUE cState_partial_generate(VALUE self, VALUE obj, VALUE depth);
-static VALUE cState_generate(VALUE self, VALUE obj);
-static VALUE cState_initialize(int argc, VALUE *argv, VALUE self);
-static VALUE cState_from_state_s(VALUE self, VALUE opts);
-static VALUE cState_indent(VALUE self);
-static VALUE cState_indent_set(VALUE self, VALUE indent);
-static VALUE cState_space(VALUE self);
-static VALUE cState_space_set(VALUE self, VALUE space);
-static VALUE cState_space_before(VALUE self);
-static VALUE cState_space_before_set(VALUE self, VALUE space_before);
-static VALUE cState_object_nl(VALUE self);
-static VALUE cState_object_nl_set(VALUE self, VALUE object_nl);
-static VALUE cState_array_nl(VALUE self);
-static VALUE cState_array_nl_set(VALUE self, VALUE array_nl);
-static VALUE cState_max_nesting(VALUE self);
-static VALUE cState_max_nesting_set(VALUE self, VALUE depth);
-static VALUE cState_allow_nan_p(VALUE self);
-static VALUE cState_ascii_only_p(VALUE self);
-
-#endif