5 files changed, 38 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index 9dec505..b5991f6 100644
--- a/Makefile
+++ b/Makefile
@@ -9,4 +9,7 @@ all:
 
 clean:
 	rm stem
+
+install:
+	cp stem /usr/local/bin/
 # end
diff --git a/examples/repl.stem b/examples/repl.stem
index 7f2010f..1468835 100644
--- a/examples/repl.stem
+++ b/examples/repl.stem
@@ -1 +1,4 @@
-loop [ "> " . read strquote eval loop ] func loop
+"./stdlib.stem" fread strquote eval
+"./math.stem" include
+
+repl [ "> " . read strquote eval repl ] func repl
diff --git a/examples/stdlib.stem b/examples/stdlib.stem
new file mode 100644
index 0000000..eca48c8
--- /dev/null
+++ b/examples/stdlib.stem
@@ -0,0 +1,2 @@
+evalstr [ strquote eval ] func
+include [ fread evalstr ] func
diff --git a/main.c b/main.c
index 4c058b4..afa2e65 100644
--- a/main.c
+++ b/main.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 extern ht_t *WORD_TABLE;
 extern array_t *STACK;
diff --git a/parser.c b/parser.c
index 32b0a94..1bbf793 100644
--- a/parser.c
+++ b/parser.c
@@ -1012,10 +1012,6 @@ bool eval_builtins(value_t *v) {
 
     array_append(v2->quote, v1);
     array_append(STACK, v2);
-  } else if (strcmp(str, "clear") == 0) {
-    for (int i = 0; i < STACK->size; i++) {
-      value_free(array_pop(STACK));
-    }
   } else if (strcmp(str, "del") == 0) {
     v2 = array_pop(STACK);
     if (v2 == NULL) {
@@ -1071,6 +1067,33 @@ bool eval_builtins(value_t *v) {
       eval(v1);
     }
     array_append(STACK, v1);
+  } else if (strcmp(str, "dip") == 0) {
+    v2 = array_pop(STACK);
+    if (v2 == NULL) {
+      value_free(v);
+      return eval_error();
+    }
+    v1 = array_pop(STACK);
+    if (v1 == NULL) {
+      value_free(v);
+      array_append(STACK, v2);
+      return eval_error();
+    }
+
+    if (v2->type == VQUOTE) {
+      array_append(EVAL_STACK, v);
+      array_append(EVAL_STACK, v1);
+      array_append(EVAL_STACK, v2);
+      for (int i = 0; i < v2->quote->size; i++) {
+        eval(value_copy(v2->quote->items[i]));
+      }
+      value_free(array_pop(EVAL_STACK));
+      value_free(array_pop(EVAL_STACK));
+      array_pop(EVAL_STACK);
+    } else {
+      eval(v1);
+    }
+    array_append(STACK, v1);
   } else if (strcmp(str, "len") == 0) {
     v1 = array_pop(STACK);
     if (v1 == NULL) {
@@ -1182,7 +1205,7 @@ bool eval_builtins(value_t *v) {
       array_append(STACK, v1);
       return eval_error();
     }
-    char *val;
+    char *val = NULL;
     size_t len;
     FILE *fp = fopen(v1->str_word->value, "rb");
     if (!fp) {