From 148dde19a604430aab97469de34a9101f2700bfb Mon Sep 17 00:00:00 2001
From: Ivar Fatland <fatland99@hotmail.com>
Date: Thu, 30 Jul 2026 17:03:47 +0200
Subject: [PATCH] add initial json parser definitions

---
 cig.h | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/cig.h b/cig.h
index e1a157d..2a2d352 100644
--- a/cig.h
+++ b/cig.h
@@ -327,6 +327,62 @@ bool scanner_print_errors(scanner_t *s, FILE *fp);
 bool looks_like_float(scanner_t *s);
 bool looks_like_int(scanner_t *s);
 
+// json parser /////////////////////////////////////////////////////////////////
+
+typedef enum json_type {
+	json_type_array,
+	json_type_boolean,
+	json_type_null,
+	json_type_number,
+	json_type_object,
+	json_type_string,
+	count_json_type_t
+} json_type_t;
+
+typedef struct json_string {
+	const char *buffer;
+	size_t length;
+} json_string_t;
+
+struct json_pair;
+
+typedef struct json_object {
+	struct json_pair *pairs;
+	size_t length;
+} json_object_t;
+
+struct json_value;
+
+typedef struct json_array {
+	struct json_value *values;
+	size_t length;
+} json_array_t;
+
+typedef struct json_value {
+	json_type_t type;
+	union {
+		bool boolean;
+		double number;
+		json_object_t object;
+		json_array_t array;
+		json_string_t string;
+	};
+} json_value_t;
+
+typedef struct json_pair {
+	json_string_t key;
+	json_value_t value;
+} json_pair_t;
+
+bool json_as_array(json_value_t *value, json_array_t *array);
+bool json_as_boolean(json_value_t *value, bool *out_bool);
+bool json_as_null(json_value_t *value);
+bool json_as_number(json_value_t *value, double *out_double);
+bool json_as_object(json_value_t *value, json_object_t *out_object);
+bool json_as_string(json_value_t *value, json_string_t *out_string);
+bool json_obj_get(json_object_t *obj, json_string_t key, json_value_t *out_value);
+json_value_t *json_parse(const char *content, allocator_t allocator);
+
 // string builder //////////////////////////////////////////////////////////////
 typedef struct string_builder_node {
 	struct string_builder_node *next;