back-port JSON and accompanying Foundation portions (JSONString, Dynamic::Var etc)

JSON/include/pd_json_private.h

@@ -0,0 +1,52 @@
+#ifndef PDJSON_PRIVATE_H
+#define PDJSON_PRIVATE_H
+
+#if defined(__STDC_VERSION__) || (__STDC_VERSION__ >= 199901L)
+#include <stdbool.h>
+#endif // __STDC_VERSION__
+#include <stdio.h>
+
+struct json_source {
+    int (*get) (struct json_source *);
+    int (*peek) (struct json_source *);
+    size_t position;
+    union {
+        struct {
+            FILE *stream;
+        } stream;
+        struct {
+            const char *buffer;
+            size_t length;
+        } buffer;
+    } source;
+};
+
+struct json_stack {
+    enum json_type type;
+    long count;
+};
+
+struct json_stream {
+    size_t lineno;
+
+    struct json_stack *stack;
+    size_t stack_top;
+    size_t stack_size;
+    enum json_type next;
+    int error : 31;
+    bool streaming : 1;
+
+    struct {
+        char *string;
+        size_t string_fill;
+        size_t string_size;
+    } data;
+
+    size_t ntokens;
+
+    struct json_source source;
+    struct json_allocator alloc;
+    char errmsg[128];
+};
+
+#endif