Pattern matching optimizer and more

it's not the best optimizer but it works.
Also added a -ast_dump flag which dumps the AST to stderr.
Also input is now done in raw mode just because it can be.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/all.h b/src/all.h
index c5a983c..c35c8b7 100644
--- a/src/all.h
+++ b/src/all.h
@@ -40,7 +40,8 @@ typedef enum {
   AST_PTR_DEC,
   AST_OUT,
   AST_IN,
-  AST_LOOP
+  AST_LOOP,
+  AST_CLEAR
 } ast_type_e;
 
 struct ast_node {
@@ -58,7 +59,9 @@ typedef struct {
 
 parser_t parser_init(lexer_t *lx);
 ast_node_t *parse_program(parser_t *p);
+ast_node_t *optimize_ast(ast_node_t *ast);
 void ast_free(ast_node_t *node);
+void ast_dump(ast_node_t *node, int depth);
 
 // codegen