From 9bb6fa51e9a621b04119d76801453e123d2cc099 Mon Sep 17 00:00:00 2001
From: c
Date: Sat, 13 Apr 2024 10:47:01 -0400
Subject: Many things.

---
 src/include/doer.h |  2 ++
 src/include/tree.h | 26 +++++++++++++++++---------
 2 files changed, 19 insertions(+), 9 deletions(-)

(limited to 'src/include')

diff --git a/src/include/doer.h b/src/include/doer.h
index 0b4337b..a59a81a 100644
--- a/src/include/doer.h
+++ b/src/include/doer.h
@@ -49,6 +49,8 @@ typedef struct BLINF {
 void doer_add_target(doer_t* doer, target_t* target);
 tree_t* doer_find_target_from_call(target_t* targetl, tree_t* call);
 
+// Given a tree, evaluate it to a primitive type.
+tree_t* doer_eval_prim(doer_t* doer);
 // Given a tree, evaluate it to a string (or type error).
 char* doer_eval_str(doer_t* doer);
 
diff --git a/src/include/tree.h b/src/include/tree.h
index e1adf85..5e0279f 100644
--- a/src/include/tree.h
+++ b/src/include/tree.h
@@ -4,15 +4,15 @@
 #include "util.h"
 
 typedef enum TREE_TYPE {
-   TREE_TYPE_BLOCK,
-   TREE_TYPE_EXPR,
-   TREE_TYPE_LINT,
-   TREE_TYPE_LSTR,
-   TREE_TYPE_TAG,
-   TREE_TYPE_DARG,
-   TREE_TYPE_CARG,
-   TREE_TYPE_DEF,
-   TREE_TYPE_CALL
+   TREE_TYPE_BLOCK   = 0,
+   TREE_TYPE_EXPR    = 1,  // Deprecated.
+   TREE_TYPE_LINT    = 2,
+   TREE_TYPE_LSTR    = 3,
+   TREE_TYPE_TAG     = 4,
+   TREE_TYPE_DARG    = 5,
+   TREE_TYPE_CARG    = 6,
+   TREE_TYPE_DEF     = 7,
+   TREE_TYPE_CALL    = 8,
 } tree_type_t;
 
 /* The Abstract Syntax Tree (AST) structure. */
@@ -87,12 +87,20 @@ tree_t* tree_init(tree_type_t type, tree_t* parent);
 /* Destroy the AST (if it exists). */
 void tree_destroy(tree_t* tree);
 
+void tree_rm(tree_t* t);
+// void tree_append(tree_t** dest, tree_t* t);
+
+tree_t* tree_copy_out(tree_t* tree);
+
 /*
    Compare two trees. For testing.
    Returns 1 if the same, otherwise 0.
 */
 int tree_cmp(tree_t* tree_0, tree_t* tree_1);
 
+// Swaps a tree for another.
+void tree_swp_call(tree_t* t0, tree_t* t1);
+
 /* Print a tree. */
 void tree_print(tree_t* tree, int nest);
 
-- 
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