actually evaluates and prints something now!

5 files changed, 16 insertions, 3 deletions

diff --git a/src/include/.ast.h.swp b/src/include/.visitor.h.swp
index 31e16ab..febe477 100644
--- a/src/include/.ast.h.swp
+++ b/src/include/.visitor.h.swp
diff --git a/src/include/ast.h b/src/include/ast.h
index ca07c9d..a5095e1 100644
--- a/src/include/ast.h
+++ b/src/include/ast.h
@@ -4,6 +4,8 @@
 
 typedef struct AST_STRUCT {
   enum {
+    /* root node */
+    AST_ROOT,
     /* complex types */
     AST_PAIR,
     AST_SYMBOL,
@@ -14,9 +16,12 @@ typedef struct AST_STRUCT {
     AST_FLOAT,
     AST_FUNCTION,
   } type;
+  /* we need to know the amount of expressions in the root node */
+  int root_size;
+  struct AST_STRUCT **subnodes;
 
   /* For functions, the car will be a list of variables, and the cdr will be the
-   * expression */
+   * expression. */
   int argument_number; /* number of arguments that function accepts. Used for
                           speeding up stuff. */
   struct AST_STRUCT *car;
@@ -43,4 +48,6 @@ ast_t *init_ast_bool(bool value);
 ast_t *init_ast_symbol(char *value);
 
 ast_t *init_ast_function(ast_t *car, ast_t *cdr);
+
+ast_t *init_ast_root(ast_t **subnodes, int size);
 #endif
diff --git a/src/include/parser.h b/src/include/parser.h
index 64ae792..7b26696 100644
--- a/src/include/parser.h
+++ b/src/include/parser.h
@@ -44,5 +44,5 @@ void parse_bind(parser_t *parser);
 
 ast_t *parse_expr(parser_t *parser);
 
-ast_t *read_in(char *s);
+ast_t *parse_all(parser_t *parser);
 #endif
diff --git a/src/include/print.h b/src/include/print.h
index 9dbecbd..866f63e 100644
--- a/src/include/print.h
+++ b/src/include/print.h
@@ -12,5 +12,11 @@ void print_float(ast_t *f);
 
 void print_func(ast_t *f);
 
+void print_list(ast_t *f);
+
+void print_symbol(ast_t *s);
+
+void print_pair(ast_t *p);
+
 void print(ast_t *res);
 #endif
diff --git a/src/include/visitor.h b/src/include/visitor.h
index 87f2853..6af052b 100644
--- a/src/include/visitor.h
+++ b/src/include/visitor.h
@@ -10,7 +10,7 @@ typedef struct {
   ast_t *root;
 } visitor_t;
 
-void eval_error(visitor_t *v);
+void eval_error(visitor_t *v, ast_t *e);
 
 visitor_t *init_visitor(ast_t *root);