refactor(core): Move SandConfig into own header file

2 files changed, 17 insertions, 7 deletions

diff --git a/src/core/config.h b/src/core/config.h
new file mode 100644
index 0000000..389a146
--- /dev/null
+++ b/src/core/config.h
@@ -0,0 +1,15 @@
+#ifndef SAND_CONFIG_H
+#define SAND_CONFIG_H
+
+// This module defines the configuration type. This is a fully transparent (i.e.
+// not opaque) type which the consumer of the core library is supposed to
+// assemble themselves. It contains hooks which the State will use for all effects.
+
+// This handler is used for output from the user-supplied actual program.
+typedef void (* SandPrintHandler)(const char *message, size_t length);
+
+typedef struct {
+	SandPrintHandler print_handler;
+} SandConfig;
+
+#endif
diff --git a/src/core/state.h b/src/core/state.h
index 406a79c..85c604b 100644
--- a/src/core/state.h
+++ b/src/core/state.h
@@ -4,20 +4,15 @@
 // This module defines the evaluator state. This is the "world" in Sand.
 // Multiple evaluator states can coexist as they are totally separate.
 
-#include <stddef.h>
-
-typedef void (* SandPrintHandler)(const char *message, size_t length);
+#include "config.h"
 
-typedef struct {
-	SandPrintHandler print_handler;
-} SandConfig;
+#include <stddef.h>
 
 // This data structure should be treated as entirely opaque by consuming code.
 typedef struct {
 	SandConfig config;
 } SandState;
 
-
 SandState sand_create_state(SandConfig config);
 
 void sand_destroy_state(SandState *);