Merge branch 'develop' of ssh://git.journeyman.cc:4022/simon/post-scarcity into develop

src/io/read.c

@@ -32,6 +32,16 @@
 #include "arith/real.h"
 #include "memory/vectorspace.h"
 
+// We can't, I think, use libreadline, because we read character by character, 
+// not line by line, and because we use wide characters. So we're going to have
+// to reimplement it. So we're going to have to maintain history of the forms
+// (or strings, but I currently think forms). So we're going to have to be able
+// to detact special keys, particularly, at this stage, the uparrow and down-
+// arrow keys
+// #include <readline/readline.h>
+// #include <readline/history.h>
+
+
 /*
  * for the time being things which may be read are: 
  * * strings
@@ -325,11 +335,10 @@ struct cons_pointer read_number( struct stack_frame *frame,
                 }
                 break;
             case LCOMMA:
-                // silently ignore it.
+                // silently ignore comma.
                 break;
             default:
                 result = add_integers( multiply_integers( result, base ),
-                                        /* /todo: this won't work for hex digits */
                                        make_integer( ( int ) c - ( int ) '0',
                                                      NIL ) );
 

src/memory/consspaceobject.h

@@ -121,6 +121,30 @@
  */
 #define LOOPTV     1347374924
 
+/**
+ * @brief Tag for a lazy cons cell.
+ * 
+ * A lazy cons cell is like a cons cell, but lazy.
+ * 
+ */
+#define LAZYCONSTAG "LZYC"
+
+/**
+ * @brief Tag for a lazy string cell.
+ * 
+ * A lazy string cell is like a string cell, but lazy.
+ * 
+ */
+#define LAZYSTRTAG "LZYS"
+
+/**
+ * @brief Tag for a lazy worker cell.
+ * 
+ * A lazy 
+ * 
+ */
+#define LAZYWRKRTAG "WRKR"
+
 /**
  * The special cons cell at address {0,0} whose car and cdr both point to
  * itself.