Many things

- two-letter AST union members
- AST_QUOTED
- AST_LAMBDA
- an interpreter that works
- function registering in the interpreter
- some builtins

1 files changed, 15 insertions, 1 deletions

diff --git a/interpreter.h b/interpreter.h
index e643494..4434de2 100644
--- a/interpreter.h
+++ b/interpreter.h
@@ -3,8 +3,22 @@
 #include "ast.h"
 
 
+typedef struct InterRet{
+	// Exactly one of ast and errstr is non-NULL. The non-NULL member
+	// needs to be free'd.
+	AST *ast;
+	char *errstr;
+} InterRet;
+
+InterRet ir_ast(AST *ast);
+InterRet ir_err(char *errstr);
+InterRet ir_err_c(const char *errstr);
+
+
 typedef struct InterState InterState;
 
 InterState* inter_make(void);
 void inter_destroy(InterState *is);
-void inter_runcode(InterState *is,AST *ast); //updates symbol id's
+void inter_register(InterState *is,const char *name,lambdafunc_t cfunc);
+void inter_register_prelude(InterState *is);
+InterRet inter_runcode(InterState *is,AST *ast); //updates symbol id's