meta.rip stub

5 files changed, 84 insertions, 6 deletions

diff --git a/README.md b/README.md
index e48613b..bb466e0 100644
--- a/README.md
+++ b/README.md
@@ -9,8 +9,8 @@ All stack items are signed bigints.
 - `D`: duplicate
 - `i`: increment
 - `d`: decrement
-- `r`: pops the number of items to rotate anti-clockwise
-- `R`: pops the number of items to rotate clockwise
+- `r`: pops the number of items to rotate anti-clockwise ("insert")
+- `R`: pops the number of items to rotate clockwise ("extract")
 - `l`: push length of stack (before this push)
 - `a` `s` `m` `q` `M` `p`: `+` `-` `*` `/` `%` `^` (add, subtract, multiply, quotient (integer), modulo, power)
 - `G` `L` `E`: greater, less, equal; booleans are 1 and 0, as you expect
diff --git a/meta.rip b/meta.rip
new file mode 100644
index 0000000..9f5107b
--- /dev/null
+++ b/meta.rip
@@ -0,0 +1,64 @@
+#<stdlib.rip>
+<varinit>
+
+'l 0 <varstore>  0I[stack length storage]
+F<add_l>['l<varhaulup>3Ra<varstore>]
+F<sub_l>['l<varhaulup>3Rs<varstore>]
+F<inc_l>[1<add_l>]
+F<dec_l>[1<sub_l>]
+F<get_l>['l<varget>]
+
+0I[executes a piece of rip code, potentially recursively calling itself]
+0I[TODO: [], <>, 'c, #<>, IWCwtcF$]
+F<execrip>[
+	DW[
+		D<strlast>S<strinit>S
+		DD'0LnS'9GnmI[    0I[0-9]
+			'0sS
+			<inc_l>
+		0]
+		D'PEI[P SP <dec_l> 0]
+		D'SEI[P 3RS 0]
+		D'DEI[P SD3R <inc_l> 0]
+		D'iEI[P SiS 0]
+		D'dEI[P SdS 0]
+		D'lEI[P <get_l>S 0]
+		D'rEI[P lr r lR 0]
+		D'REI[P lr R lR 0]
+		D'aEI[P 3raS <dec_l> 0]
+		D'sEI[P 3rsS <dec_l> 0]
+		D'mEI[P 3rmS <dec_l> 0]
+		D'qEI[P 3rqS <dec_l> 0]
+		D'MEI[P 3rMS <dec_l> 0]
+		D'pEI[P 3rpS <dec_l> 0]
+		D'GEI[P 3rGS <dec_l> 0]
+		D'LEI[P 3rLS <dec_l> 0]
+		D'EEI[P 3rES <dec_l> 0]
+		D'nEI[P SnS 0]
+		D'oEI[P So <dec_l> 0]
+		D'OEI[P SO <dec_l> 0]
+		D'gEI[P gS <inc_l> 0]
+		D''EI[P D<strlast> S <strinit> 0]
+		D<isspace>I[P 0]
+		DI[
+			'ro 'io 'po ':o ' o $ P
+		0]
+		P
+	D]
+]
+
+0I[pushes whether argument is space, tab or newline]
+F<isspace>[
+	D' ESD9ES9iEaann
+]
+
+
+0I[Read all the code in a string]
+0
+gDiW[
+	<strpush>
+gDi]
+P
+
+<strrev>
+<execrip>
diff --git a/rip.hs b/rip.hs
index 3efd081..6660c76 100644
--- a/rip.hs
+++ b/rip.hs
@@ -19,7 +19,7 @@ type Stackelem = Integer
 
 
 c_ripmode :: Bool
-c_ripmode = True
+c_ripmode = False
 
 c_debugmode :: Bool
 c_debugmode = False
@@ -332,7 +332,7 @@ rip' code@(x:xs) fns conns st = do
         '\'' -> rip' (tail xs) fns conns $ ordI (head xs) : st
 
         '$' -> do
-            (putStrLn . intercalate " " . map show . reverse) st
+            putStrLn $ '[' : ((intercalate " " . map show . reverse) st) ++ "]"
             rip' xs fns conns st
 
         c | isSpace c ->
diff --git a/stdlib.rip b/stdlib.rip
index 56bacc6..7d209b7 100644
--- a/stdlib.rip
+++ b/stdlib.rip
@@ -8,6 +8,16 @@ F<strprint>[
 	PP
 ]
 
+0I[gets last character of string; destructive]
+F<strlast>[
+	28pM
+]
+
+0I[drops last character of string; destructive]
+F<strinit>[
+	28pq
+]
+
 0I[takes string char; returns string+char]
 F<strpush>[
 	S28pma
@@ -61,8 +71,8 @@ F<varinit>[
 	0lr 0lr 0lr  0I[guard]
 ]
 
-0I[INTERNAL FUNCTION
-   hauls variable by name in argument to top of stack; pushes 0 0 if non-existent]
+0I[hauls variable by name in argument to top of stack (result: name value);
+   pushes 0 0 if non-existent]
 F<varhaulup>[
 	00  0I[guard]
 	lRlR
diff --git a/test.rip b/test.rip
new file mode 100644
index 0000000..8e74f98
--- /dev/null
+++ b/test.rip
@@ -0,0 +1,4 @@
+1DO '+o
+2DO '=o
+aO
+9io