WIP LSP client

This contains the start of an LSP client.
Nothing (except starting the LSP server) works
at the moment and the feature is disabled by default.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/dged/json.h b/src/dged/json.h
new file mode 100644
index 0000000..c0428b9
--- /dev/null
+++ b/src/dged/json.h
@@ -0,0 +1,54 @@
+#ifndef _JSON_H
+#define _JSON_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "s8.h"
+
+enum json_type {
+  Json_Array,
+  Json_Object,
+  Json_Null,
+  Json_Number,
+  Json_String,
+  Json_Bool,
+};
+
+struct json_value {
+  enum json_type type;
+  union {
+    struct s8 string;
+    struct json_object *object;
+    struct json_array *array;
+    double number;
+    bool boolean;
+  } value;
+};
+
+struct json_result {
+  bool ok;
+  union {
+    const char *error;
+    struct json_value document;
+  } result;
+};
+
+struct json_writer;
+
+struct json_result json_parse(uint8_t *buf, uint64_t size);
+void json_destroy(struct json_value *value);
+
+uint64_t json_len(struct json_object *obj);
+bool json_contains(struct json_object *obj, struct s8 key);
+struct json_value *json_get(struct json_object *obj, struct s8 key);
+
+uint64_t json_array_len(struct json_array *arr);
+void json_array_foreach(struct json_array *arr,
+                        void (*cb)(uint64_t, struct json_value));
+struct json_value *json_array_get(struct json_array *arr, uint64_t idx);
+
+struct json_writer *json_writer_create();
+struct s8 json_writer_done(struct json_writer *writer);
+
+#endif