Merge pull request 'Add a function to decode a JSON value directly.' (#60) from lda/Cytoplasm:raw-types into master

Reviewed-on: Telodendria/Cytoplasm#60

.forgejo/workflows/compile.yaml

@@ -0,0 +1,18 @@
+name: Compile Cytoplasm
+run-name: Compile Cytoplasm on ${{ forgejo.actor }}
+on: [push, pull_request]
+
+jobs:
+    "Compile Cytoplasm":
+        strategy:
+            matrix:
+                os: [alpine]
+                arch: [aarch64]
+        runs-on: ["${{ matrix.os }}", "${{ matrix.arch }}"]
+        steps:
+            - name: Check out repository
+              uses: actions/checkout@v4
+            - name: Configure Cytoplasm
+              run: ./configure
+            - name: Build Cytoplasm
+              run: make

.gitea/workflows/compile.yaml

@@ -1,25 +0,0 @@
-name: Compile Cytoplasm
-run-name: Compile Cytoplasm on ${{ gitea.actor }}
-on: [push]
-
-jobs:
-    "Compile Cytoplasm":
-        strategy:
-            matrix:
-                os: [debian-v12.4, alpine-v3.19, openbsd-v7.4, freebsd-v14.0, netbsd-v9.3]
-                arch: [x86, x86_64]
-                exclude:
-                    # 32-bit OpenBSD does not behave well in QEMU. Even when using
-                    # QEMU to emulate i386, it utilizes 100% of its CPU core and is
-                    # still extremely sluggish. Thus, we don't have a working 32-bit
-                    # OpenBSD runner, so exclude it from the matrix configuration.
-                    - os: openbsd-v7.4
-                      arch: x86
-        runs-on: ["${{ matrix.os }}", "${{ matrix.arch }}"]
-        steps:
-            - name: Check out repository
-              uses: actions/checkout@v3
-            - name: Configure Cytoplasm
-              run: ./configure
-            - name: Build Cytoplasm
-              run: make

configure

@@ -37,7 +37,7 @@ case "$(uname)" in
         # These systems typically use GCC.
         SCRIPT_ARGS="${SCRIPT_ARGS} --cc=gcc"
         ;;
-    OpenBSD|FreeBSD)
+    OpenBSD|FreeBSD|Darwin)
         # These systems typically use Clang.
         SCRIPT_ARGS="${SCRIPT_ARGS} --cc=clang"
         ;;
@@ -269,7 +269,8 @@ ${TAB}done
 ${LIB_NAME}: ${OUT}/lib/lib${LIB_NAME}.a ${OUT}/lib/lib${LIB_NAME}.so
 
 install: ${LIB_NAME}
-${TAB}mkdir -p ${OUT}/lib
+${TAB}mkdir -p \$(PREFIX)/${OUT}/lib
+${TAB}mkdir -p \$(PREFIX)/lib
 ${TAB}cp ${OUT}/lib/lib${LIB_NAME}.a \$(PREFIX)/lib/lib${LIB_NAME}.a
 ${TAB}cp ${OUT}/lib/lib${LIB_NAME}.so \$(PREFIX)/lib/lib${LIB_NAME}.so
 $(collect ${INCLUDE}/ '' '' \$\(PREFIX\)/include/${LIB_NAME}/ install_out)

include/Cytoplasm/Json.h

@@ -297,6 +297,12 @@ extern size_t JsonEncode(HashMap *, Stream *, int);
  */
 extern HashMap * JsonDecode(Stream *);
 
+/**
+ * Decodes a JSON value from thr current input strram and parse it 
+ * into a JsonValue.
+ */
+extern JsonValue * JsonValueDecode(Stream *);
+
 /**
  * A convenience function that allows the caller to retrieve and
  * arbitrarily deep keys within a JSON object. It takes a root JSON

include/Cytoplasm/Platform.h

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2022-2024 Jordan Bancino <@jordan:bancino.net>
+ *
+ * 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 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.
+ */
+#ifndef CYTOPLASM_PLATFORM_H
+#define CYTOPLASM_PLATFORM_H
+
+/***
+ * @Nm Platform
+ * @Nd A simple macro header that determines what platform the application
+ * is being built for.
+ * @Dd September 21, 2024
+ */
+
+#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
+    #define PLATFORM_WINDOWS
+
+   #ifdef _WIN64
+      #define PLATFORM_WIN64
+   #else
+      #define PLATFORM_WIN32
+   #endif
+#elif __APPLE__
+    #define PLATFORM_DARWIN
+
+    #include <TargetConditionals.h>
+    #if TARGET_IPHONE_SIMULATOR
+        #define PLATFORM_IPHONE
+    #elif TARGET_OS_MACCATALYST
+        #define PLATFORM_CATALYST
+    #elif TARGET_OS_IPHONE
+        #define PLATFORM_IPHONE
+    #elif TARGET_OS_MAC
+        #define PLATFORM_MAC
+    #else
+    #   error "Unknown Apple platform"
+    #endif
+#elif __ANDROID__
+    #define PLATFORM_ANDROID
+#elif __linux__
+    #define PLATFORM_LINUX
+#elif __unix__
+    #define PLATFORM_UNIX
+#elif defined(_POSIX_VERSION)
+    #define PLATFORM_POSIX
+#else
+#   error "Unknown compiler"
+#endif
+
+#endif /* CYTOPLASM_PLATFORM_H */

src/Db/LMDB.c

@@ -293,6 +293,7 @@ LMDBUnlock(Db *d, DbRef *r)
     Stream *stream;
     MDB_val key, val;
     bool ret = true;
+    DbHint hint = r ? r->hint : 0;
 
     if (!d || !r)
     {
@@ -324,7 +325,7 @@ LMDBUnlock(Db *d, DbRef *r)
     {
         free(val.mv_data);
     }
-    if (ret && r->hint == DB_HINT_WRITE)
+    if (ret && hint == DB_HINT_WRITE)
     {
         pthread_mutex_unlock(&d->lock);
     }

src/Json.c

@@ -1348,6 +1348,25 @@ JsonDecode(Stream * stream)
 
     return result;
 }
+JsonValue * 
+JsonValueDecode(Stream *stream)
+{
+    JsonValue *result;
+    JsonParserState state;
+
+    state.stream = stream;
+    state.token = NULL;
+
+    JsonTokenSeek(&state);
+    result = JsonDecodeValue(&state);
+
+    if (state.token)
+    {
+        Free(state.token);
+    }
+
+    return result;
+}
 
 JsonValue *
 JsonGet(HashMap * json, size_t nArgs,...)

src/Memory.c

@@ -42,26 +42,30 @@
 
 #define MEMORY_FILE_SIZE 256
 
+#define MEM_BOUND_TYPE uint64_t
+#define MEM_BOUND 0xDEADBEEFBEEFDEAD
+#define MEM_MAGIC 0xDEADBEEFDEADBEEF
+
 struct MemoryInfo
 {
     uint64_t magic;
 
     size_t size;
+    size_t unalignedSize;
     char file[MEMORY_FILE_SIZE];
     int line;
     void *pointer;
 
     MemoryInfo *prev;
     MemoryInfo *next;
+
+    MEM_BOUND_TYPE leftBoundary;
 };
 
-#define MEM_BOUND_TYPE uint32_t
-#define MEM_BOUND 0xDEADBEEF
-#define MEM_MAGIC 0xDEADBEEFDEADBEEF
+#define MEM_SIZE_ACTUAL(x) (MemoryAlignBoundary((x) * sizeof(uint8_t)) + sizeof(MEM_BOUND_TYPE))
+#define MEM_START_BOUNDARY(info) (info->leftBoundary)
+#define MEM_END_BOUNDARY(info) (*(((MEM_BOUND_TYPE *) (((uint8_t *) info->pointer) + info->size)) - 1))
 
-#define MEM_BOUND_LOWER(p) *((MEM_BOUND_TYPE *) p)
-#define MEM_BOUND_UPPER(p, x) *(((MEM_BOUND_TYPE *) (((uint8_t *) p) + x)) + 1)
-#define MEM_SIZE_ACTUAL(x) (((x) * sizeof(uint8_t)) + (2 * sizeof(MEM_BOUND_TYPE)))
 
 static pthread_mutex_t lock;
 static void (*hook) (MemoryAction, MemoryInfo *, void *) = MemoryDefaultHook;
@@ -71,6 +75,19 @@ static size_t allocationsLen = 0;
 
 static MemoryInfo *allocationTail = NULL;
 
+/* Simple range of "plausible" boundaries for heap, serving as an extra 
+ * check */
+static void *heapStart, *heapEnd;
+
+static size_t MemoryAlignBoundary(size_t size)
+{
+    size_t boundSize = sizeof(MEM_BOUND_TYPE);
+    size_t remainder = size % boundSize;
+    size_t closest   = size / boundSize + !!remainder;
+
+    return closest * boundSize;
+}
+
 int
 MemoryRuntimeInit(void)
 {
@@ -85,6 +102,8 @@ MemoryRuntimeInit(void)
     pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
     ret = pthread_mutex_init(&lock, &attr);
     pthread_mutexattr_destroy(&attr);
+    heapStart = NULL;
+    heapEnd = NULL;
 
     ret = (ret == 0);
 
@@ -110,6 +129,15 @@ MemoryInsert(MemoryInfo * a)
     a->prev = allocationTail;
     a->magic = MEM_MAGIC;
 
+    if (!heapStart || heapStart > (void *) a)
+    {
+        heapStart = a;
+    }
+    if (!heapEnd || heapEnd < (void *) a)
+    {
+        heapEnd = a;
+    }
+
     allocationTail = a;
     allocationsLen++;
 
@@ -142,8 +170,9 @@ MemoryDelete(MemoryInfo * a)
 static int
 MemoryCheck(MemoryInfo * a)
 {
-    if (MEM_BOUND_LOWER(a->pointer) != MEM_BOUND ||
-        MEM_BOUND_UPPER(a->pointer, a->size - (2 * sizeof(MEM_BOUND_TYPE))) != MEM_BOUND)
+    if (MEM_START_BOUNDARY(a) != MEM_BOUND || 
+        a->magic != MEM_MAGIC ||
+        MEM_END_BOUNDARY(a) != MEM_BOUND)
     {
         if (hook)
         {
@@ -174,13 +203,14 @@ MemoryAllocate(size_t size, const char *file, int line)
     p = a + 1;
 
     memset(p, 0, MEM_SIZE_ACTUAL(size));
-    MEM_BOUND_LOWER(p) = MEM_BOUND;
-    MEM_BOUND_UPPER(p, size) = MEM_BOUND;
 
     a->size = MEM_SIZE_ACTUAL(size);
+    a->unalignedSize = size;
     strncpy(a->file, file, MEMORY_FILE_SIZE - 1);
     a->line = line;
     a->pointer = p;
+    MEM_START_BOUNDARY(a) = MEM_BOUND;
+    MEM_END_BOUNDARY(a) = MEM_BOUND;
 
     if (!MemoryInsert(a))
     {
@@ -195,7 +225,7 @@ MemoryAllocate(size_t size, const char *file, int line)
     }
 
     pthread_mutex_unlock(&lock);
-    return ((MEM_BOUND_TYPE *) p) + 1;
+    return p;
 }
 
 void *
@@ -220,6 +250,7 @@ MemoryReallocate(void *p, size_t size, const char *file, int line)
         if (new)
         {
             a = new;
+            a->unalignedSize = size;
             a->size = MEM_SIZE_ACTUAL(size);
             strncpy(a->file, file, MEMORY_FILE_SIZE - 1);
             a->line = line;
@@ -228,8 +259,8 @@ MemoryReallocate(void *p, size_t size, const char *file, int line)
             a->pointer = a + 1;
             MemoryInsert(a);
 
-            MEM_BOUND_LOWER(a->pointer) = MEM_BOUND;
-            MEM_BOUND_UPPER(a->pointer, size) = MEM_BOUND;
+            MEM_START_BOUNDARY(a) = MEM_BOUND;
+            MEM_END_BOUNDARY(a) = MEM_BOUND;
 
             if (hook)
             {
@@ -253,7 +284,7 @@ MemoryReallocate(void *p, size_t size, const char *file, int line)
         }
     }
 
-    return ((MEM_BOUND_TYPE *) a->pointer) + 1;
+    return a->pointer;
 }
 
 void
@@ -344,8 +375,12 @@ MemoryInfoGet(void *po)
 
     pthread_mutex_lock(&lock);
 
-    p = ((MEM_BOUND_TYPE *) po) - 1;
     p = ((MemoryInfo *) p) - 1;
+    if (p < heapStart || p > heapEnd)
+    {
+        pthread_mutex_unlock(&lock);
+        return NULL;
+    }
 
     if (((MemoryInfo *)p)->magic != MEM_MAGIC)
     {
@@ -364,7 +399,7 @@ MemoryInfoGetSize(MemoryInfo * a)
         return 0;
     }
 
-    return a->size ? a->size - (2 * sizeof(MEM_BOUND_TYPE)) : 0;
+    return a->size ? a->unalignedSize : 0;
 }
 
 const char *
@@ -397,7 +432,7 @@ MemoryInfoGetPointer(MemoryInfo * a)
         return NULL;
     }
 
-    return ((MEM_BOUND_TYPE *) a->pointer) + 1;
+    return a->pointer;
 }
 
 void

src/Util.c

@@ -24,6 +24,7 @@
 #include <Util.h>
 
 #include <Memory.h>
+#include <Platform.h>
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -89,6 +90,10 @@ UtilTsMillis(void)
     return ts;
 }
 
+#ifdef PLATFORM_DARWIN
+#define st_mtim st_mtimespec
+#endif
+
 uint64_t
 UtilLastModified(char *path)
 {
@@ -105,6 +110,10 @@ UtilLastModified(char *path)
     return ts;
 }
 
+#ifdef PLATFORM_DARWIN
+#undef st_mtim
+#endif
+
 int
 UtilMkdir(const char *dir, const mode_t mode)
 {

tools/j2s.c

@@ -38,6 +38,7 @@
 
 #define MAX_DEPENDENCIES 32
 
+#define IsDelimited(field, c1, c2) (*field == c1 && field[strlen(field) - 1] == c2)
 static char *
 Trim(char c, char *str)
 {
@@ -75,10 +76,14 @@ TypeToJsonType(char *type)
     }
     else
     {
-        if (*type == '[' && type[strlen(type) - 1] == ']')
+        if (IsDelimited(type, '[', ']'))
         {
             return JSON_ARRAY;
         }
+        else if (IsDelimited(type, '{', '}'))
+        {
+            return JSON_OBJECT;
+        }
         else
         {
             return JSON_OBJECT;
@@ -325,6 +330,7 @@ Main(Array * args)
             {
                 char *fieldType;
                 bool isArrType = false;
+                bool isObjType = false;
                 JsonValue *requiredVal;
                 JsonValue *ignoreVal;
 
@@ -343,12 +349,18 @@ Main(Array * args)
                     goto finish;
                 }
 
-                if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
+                if (IsDelimited(fieldType, '[', ']'))
                 {
                     fieldType++;
                     fieldType[strlen(fieldType) - 1] = '\0';
                     isArrType = true;
                 }
+                else if (IsDelimited(fieldType, '{', '}'))
+                {
+                    fieldType++;
+                    fieldType[strlen(fieldType) - 1] = '\0';
+                    isObjType = true;
+                }
 
                 if (!StrEquals(fieldType, "object") &&
                     !StrEquals(fieldType, "array") &&
@@ -374,6 +386,10 @@ Main(Array * args)
                 {
                     fieldType[strlen(fieldType)] = ']';
                 }
+                else if (isObjType)
+                {
+                    fieldType[strlen(fieldType)] = '}';
+                }
 
                 requiredVal = HashMapGet(fieldObj, "required");
                 if (requiredVal && JsonValueType(requiredVal) != JSON_BOOLEAN)
@@ -529,11 +545,13 @@ Main(Array * args)
                 {
                     cType = "double";
                 }
-                else if (StrEquals(fieldType, "object"))
+                else if (StrEquals(fieldType, "object") || 
+                        IsDelimited(fieldType, '{', '}'))
                 {
                     cType = "HashMap *";
                 }
-                else if (StrEquals(fieldType, "array") || (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']'))
+                else if (StrEquals(fieldType, "array") || 
+                        IsDelimited(fieldType, '[', ']'))
                 {
                     cType = "Array *";
                 }
@@ -542,8 +560,21 @@ Main(Array * args)
                     cType = fieldType;
                 }
 
+                if (IsDelimited(fieldType, '{', '}') ||
+                    IsDelimited(fieldType, '[', ']'))
+                {
+                    char end = fieldType[strlen(fieldType) - 1];
+                    fieldType[strlen(fieldType) - 1] = '\0';
+
+                    StreamPrintf(headerFile, "    %s /* of %s */ %s;\n", cType, fieldType + 1, field);
+
+                    fieldType[strlen(fieldType)] = end;
+                }
+                else
+                {
                     StreamPrintf(headerFile, "    %s %s;\n", cType, field);
                 }
+            }
 
             StreamPrintf(headerFile, "} %s;\n\n", type);
         }
@@ -673,7 +704,134 @@ Main(Array * args)
                     StreamPrintf(implFile, "        out->%s = JsonValueAsObject(val);\n", key);
                     StreamPrintf(implFile, "        Free(val); /* Not JsonValueFree() because we want the inner value. */\n");
                 }
-                else if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
+                else if (IsDelimited(fieldType, '{', '}'))
+                {
+                    fieldType++;
+                    fieldType[strlen(fieldType) - 1] = '\0';
+                    isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
+                    jsonType = isEnum ? JSON_STRING : TypeToJsonType(fieldType);
+
+                    StreamPrintf(implFile, "        out->%s = HashMapCreate();\n", key);
+                    StreamPrintf(implFile, "        if (!out->%s)\n", key);
+                    StreamPrintf(implFile, "        {\n");
+                    StreamPrintf(implFile, "            *errp = \"Failed to allocate memory for %s.%s.\";\n", type, key);
+                    StreamPrintf(implFile, "            return false;\n");
+                    StreamPrintf(implFile, "        }\n");
+                    StreamPrintf(implFile, "        else\n");
+                    StreamPrintf(implFile, "        {\n");
+                    StreamPrintf(implFile, "            HashMap *obj = JsonValueAsObject(val);\n");
+                    StreamPrintf(implFile, "            char *objKey;\n");
+                    StreamPrintf(implFile, "            JsonValue *v;\n");
+                    StreamPrintf(implFile, "\n");
+                    StreamPrintf(implFile, "            while (HashMapIterate(obj, &objKey, (void **) &v))\n");
+                    StreamPrintf(implFile, "            {\n");
+
+                    if (StrEquals(fieldType, "integer") ||
+                        StrEquals(fieldType, "float") ||
+                        StrEquals(fieldType, "boolean"))
+                    {
+                        char *cType;
+
+                        if (StrEquals(fieldType, "integer"))
+                        {
+                            cType = "int64_t";
+                        }
+                        else if (StrEquals(fieldType, "float"))
+                        {
+                            cType = "double";
+                        }
+                        else if (StrEquals(fieldType, "boolean"))
+                        {
+                            cType = "bool";
+                        }
+                        else
+                        {
+                            /* Should never happen */
+                            cType = NULL;
+                        }
+
+                        *fieldType = toupper(*fieldType);
+
+                        StreamPrintf(implFile, "                %s *ref;\n", cType);
+                        StreamPrintf(implFile, "                if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
+                        StreamPrintf(implFile, "                {\n");
+                        StreamPrintf(implFile, "                    *errp = \"%s.%s{} contains an invalid value.\";\n", type, key);
+                        StreamPrintf(implFile, "                    return false;\n");
+                        StreamPrintf(implFile, "                }\n");
+                        StreamPrintf(implFile, "                ref = Malloc(sizeof(%s));\n", cType);
+                        StreamPrintf(implFile, "                if (!ref)\n");
+                        StreamPrintf(implFile, "                {\n");
+                        StreamPrintf(implFile, "                    *errp = \"Unable to allocate memory for object value.\";\n");
+                        StreamPrintf(implFile, "                    return false;\n");
+                        StreamPrintf(implFile, "                }\n");
+                        StreamPrintf(implFile, "                *ref = JsonValueAs%s(v);\n", fieldType);
+                        StreamPrintf(implFile, "                HashMapSet(out->%s, objKey, ref);\n", key);
+
+                        *fieldType = tolower(*fieldType);
+                    }
+                    else if (StrEquals(fieldType, "string"))
+                    {
+                        StreamPrintf(implFile, "                if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
+                        StreamPrintf(implFile, "                {\n");
+                        StreamPrintf(implFile, "                    *errp = \"%s.%s[] contains an invalid value.\";\n", type, key);
+                        StreamPrintf(implFile, "                    return false;\n");
+                        StreamPrintf(implFile, "                }\n");
+                        StreamPrintf(implFile, "                HashMapSet(out->%s, objKey, StrDuplicate(JsonValueAsString(v)));\n", key);
+                    }
+                    else if (StrEquals(fieldType, "object"))
+                    {
+                        StreamPrintf(implFile, "                if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
+                        StreamPrintf(implFile, "                {\n");
+                        StreamPrintf(implFile, "                    *errp = \"%s.%s[] contains an invalid value.\";\n", type, key);
+                        StreamPrintf(implFile, "                    return false;\n");
+                        StreamPrintf(implFile, "                }\n");
+                        StreamPrintf(implFile, "                HashMapSet(out->%s, objKey, JsonDuplicate(JsonValueAsObject(v)));\n", key);
+                    }
+                    else
+                    {
+                        if (isEnum)
+                        {
+                            StreamPrintf(implFile, "                int parseResult;\n");
+                        }
+                        StreamPrintf(implFile, "                %s *parsed;\n", fieldType);
+                        StreamPrintf(implFile, "                if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
+                        StreamPrintf(implFile, "                {\n");
+                        StreamPrintf(implFile, "                    *errp = \"%s.%s[] contains an invalid value.\";\n", type, key);
+                        StreamPrintf(implFile, "                    return false;\n");
+                        StreamPrintf(implFile, "                }\n");
+                        StreamPrintf(implFile, "                parsed = Malloc(sizeof(%s));\n", fieldType);
+                        StreamPrintf(implFile, "                if (!parsed)\n");
+                        StreamPrintf(implFile, "                {\n");
+                        StreamPrintf(implFile, "                    *errp = \"Unable to allocate memory for array value.\";\n");
+                        StreamPrintf(implFile, "                    return false;\n");
+                        StreamPrintf(implFile, "                }\n");
+                        if (isEnum)
+                        {
+                            StreamPrintf(implFile, "                parseResult = %sFromStr(JsonValueAsString(v));\n", fieldType);
+                            StreamPrintf(implFile, "                *parsed = parseResult;\n");
+                            StreamPrintf(implFile, "                if (parseResult == -1)\n");
+                        }
+                        else
+                        {
+                            StreamPrintf(implFile, "                if (!%sFromJson(JsonValueAsObject(v), parsed, errp))\n", fieldType);
+                        }
+                        StreamPrintf(implFile, "                {\n");
+                        if (!isEnum)
+                        {
+                            StreamPrintf(implFile, "                    %sFree(parsed);\n", fieldType);
+                        }
+                        StreamPrintf(implFile, "                    Free(parsed);\n");
+                        StreamPrintf(implFile, "                    return false;\n");
+                        StreamPrintf(implFile, "                }\n");
+                        StreamPrintf(implFile, "                HashMapSet(out->%s, objKey, parsed);\n", key);
+                    }
+
+                    StreamPrintf(implFile, "            }\n");
+                    StreamPrintf(implFile, "        }\n");
+
+                    fieldType[strlen(fieldType)] = '}';
+                }
+                else if (IsDelimited(fieldType, '[', ']'))
                 {
                     fieldType++;
                     fieldType[strlen(fieldType) - 1] = '\0';
@@ -915,7 +1073,73 @@ Main(Array * args)
                 {
                     StreamPrintf(implFile, "    HashMapSet(json, \"%s\", JsonValueObject(JsonDuplicate(val->%s)));\n", Trim('_', key), key);
                 }
-                else if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
+                else if (IsDelimited(fieldType, '{', '}'))
+                {
+                    int isPrimitive;
+
+                    fieldType++;
+                    fieldType[strlen(fieldType) - 1] = '\0';
+                    isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
+                    isPrimitive = StrEquals(fieldType, "integer") ||
+                            StrEquals(fieldType, "boolean") ||
+                            StrEquals(fieldType, "float");
+
+
+                    StreamPrintf(implFile, "    if (val->%s)\n", key);
+                    StreamPrintf(implFile, "    {\n");
+                    StreamPrintf(implFile, "        char *objKey;\n");
+                    StreamPrintf(implFile, "        void *objVal;\n");
+                    StreamPrintf(implFile, "        HashMap *jsonObj = HashMapCreate();\n");
+                    StreamPrintf(implFile, "        if (!jsonObj)\n");
+                    StreamPrintf(implFile, "        {\n");
+                    StreamPrintf(implFile, "            JsonFree(json);\n");
+                    StreamPrintf(implFile, "            return NULL;\n");
+                    StreamPrintf(implFile, "        }\n");
+                    StreamPrintf(implFile, "        while (HashMapIterate(val->%s, &objKey, &objVal))\n", key);
+                    StreamPrintf(implFile, "        {\n");
+
+                    if (StrEquals(fieldType, "string"))
+                    {
+                        StreamPrintf(implFile, "            HashMapSet(jsonObj, objKey, JsonValueString(objVal));\n", key);
+                    }
+                    else if (!isPrimitive)
+                    {
+                        StreamPrintf(implFile, "            HashMapSet(jsonObj, objKey, JsonValueObject(%sToJson(objVal)));\n", fieldType, key);
+                    }
+                    else
+                    {
+                        char *cType;
+
+                        if (StrEquals(fieldType, "integer"))
+                        {
+                            cType = "int64_t";
+                        }
+                        else if (StrEquals(fieldType, "float"))
+                        {
+                            cType = "double";
+                        }
+                        else if (StrEquals(fieldType, "boolean"))
+                        {
+                            cType = "bool";
+                        }
+                        else
+                        {
+                            /* Should never happen */
+                            cType = NULL;
+                        }
+
+                        *fieldType = toupper(*fieldType);
+                        StreamPrintf(implFile, "            HashMapSet(jsonObj, objKey, (JsonValue%s(*((%s *) objVal))));\n", fieldType, cType, key);
+                        *fieldType = tolower(*fieldType);
+                    }
+
+                    StreamPrintf(implFile, "        }\n");
+                    StreamPrintf(implFile, "        HashMapSet(json, \"%s\", JsonValueObject(jsonObj));\n", Trim('_', key));
+                    StreamPrintf(implFile, "    }\n");
+
+                    fieldType[strlen(fieldType)] = '}';
+                }
+                else if (IsDelimited(fieldType, '[', ']'))
                 {
                     int isPrimitive;
 
@@ -1036,7 +1260,36 @@ Main(Array * args)
                 {
                     StreamPrintf(implFile, "    Free(val->%s);\n", key);
                 }
-                else if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
+                else if (IsDelimited(fieldType, '{', '}'))
+                {
+                    int isPrimitive;
+
+                    fieldType++;
+                    fieldType[strlen(fieldType) - 1] = '\0';
+                    isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
+                    isPrimitive = StrEquals(fieldType, "boolean") ||
+                            StrEquals(fieldType, "float") ||
+                            StrEquals(fieldType, "integer") ||
+                            StrEquals(fieldType, "string");
+
+                    StreamPrintf(implFile, "    if (val->%s)\n", key);
+                    StreamPrintf(implFile, "    {\n");
+                    StreamPrintf(implFile, "        char *objKey;\n");
+                    StreamPrintf(implFile, "        void *objVal;\n");
+                    StreamPrintf(implFile, "        while (HashMapIterate(val->%s, &objKey, &objVal))\n", key);
+                    StreamPrintf(implFile, "        {\n");
+                    StreamPrintf(implFile, "            %sFree(objVal);\n", (!isEnum && !isPrimitive) ? fieldType : "", key);
+                    if (!isEnum && !isPrimitive)
+                    {
+                        StreamPrintf(implFile, "            Free(objVal);\n", key);
+                    }
+                    StreamPrintf(implFile, "        }\n");
+                    StreamPrintf(implFile, "        HashMapFree(val->%s);\n", key);
+                    StreamPrintf(implFile, "    }\n");
+
+                    fieldType[strlen(fieldType)] = '}';
+                }
+                else if (IsDelimited(fieldType, '[', ']'))
                 {
                     int isPrimitive;