starting some work on implementation

cig.h

@@ -381,7 +381,7 @@ 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);
+json_value_t json_parse(scanner_t *scanner, allocator_t allocator);
 
 // string builder //////////////////////////////////////////////////////////////
 typedef struct string_builder_node {
@@ -444,6 +444,7 @@ void allocator_reset(allocator_t this) {
 #include "dyn_array.c"
 #include "cli.c"
 #include "scanner.c"
+#include "json.c"
 #include "string_builder.c"
 #include "file_io.c"
 

json.c

@@ -0,0 +1,66 @@
+#include "cig.h"
+#include <string.h>
+
+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(scanner_t *scanner, allocator_t allocator) {
+	scan_whitespace(scanner);
+	if (scan_string_literal(scanner)) {
+		const char *buffer = scanner->value.string_literal;
+		size_t length = strlen(buffer);
+		char *buff_copy = allocator_alloc(allocator, length+1);
+		strncpy(buff_copy, buffer, length+1);
+		buff_copy[length] = '\0';
+		return (json_value_t) {
+			.type=json_type_string,
+			.string=(json_string_t) { .length=length, .buffer=buff_copy }
+		};
+	} else if (scan_f64(scanner)) {
+		return (json_value_t) {
+			.type=json_type_number,
+			.number=scanner->value.f64
+		};
+	} else if (scan_i64(scanner)) {
+		// TODO: is this needed?
+		return (json_value_t) {
+			.type=json_type_number,
+			.number=(double)scanner->value.i64
+		};
+	} else if (scan_literal(scanner, "true")) {
+		return (json_value_t) {
+			.type=json_type_boolean,
+			.boolean=true
+		};
+	} else if (scan_literal(scanner, "false")) {
+		return (json_value_t) {
+			.type=json_type_boolean,
+			.boolean=false
+		};
+	} else if (scan_literal(scanner, "null")) {
+		return (json_value_t) {
+			.type=json_type_null
+		};
+	} else if (scan_literal(scanner, "[")) {
+		json_parse(scanner, allocator);
+		// TODO
+	}
+}