From f0824b64b67d8faf9964b23fc3369be54067c617 Mon Sep 17 00:00:00 2001
From: Joe Groff <arcata@gmail.com>
Date: Thu, 13 Nov 2008 09:48:42 -0800
Subject: [PATCH 01/38] change cairo-gadget so it can handle constantly
 updating content

---
 extra/cairo/gadgets/gadgets.factor  | 58 +++++++++--------------------
 extra/opengl/gadgets/gadgets.factor |  5 +++
 2 files changed, 22 insertions(+), 41 deletions(-)

diff --git a/extra/cairo/gadgets/gadgets.factor b/extra/cairo/gadgets/gadgets.factor
index d160740c44..8ed7a3c31b 100644
--- a/extra/cairo/gadgets/gadgets.factor
+++ b/extra/cairo/gadgets/gadgets.factor
@@ -1,58 +1,34 @@
 ! Copyright (C) 2008 Matthew Willis.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: sequences math opengl.gadgets kernel
-byte-arrays cairo.ffi cairo io.backend
-ui.gadgets accessors opengl.gl
-arrays fry classes ;
+USING: sequences math kernel byte-arrays cairo.ffi cairo
+io.backend ui.gadgets accessors opengl.gl arrays fry
+classes ui.render namespaces ;
 
 IN: cairo.gadgets
 
 : width>stride ( width -- stride ) 4 * ;
     
-: copy-cairo ( dim quot -- byte-array )
-    >r first2 over width>stride
-    [ * nip <byte-array> dup CAIRO_FORMAT_ARGB32 ]
-    [ cairo_image_surface_create_for_data ] 3bi
-    r> with-cairo-from-surface ; inline
+GENERIC: render-cairo* ( gadget -- )
 
-TUPLE: cairo-gadget < texture-gadget ;
+: render-cairo ( gadget -- byte-array )
+    dup dim>> first2 over width>stride
+    [ * nip <byte-array> dup CAIRO_FORMAT_ARGB32 ] 
+    [ cairo_image_surface_create_for_data ] 3bi
+    rot '[ _ render-cairo* ] with-cairo-from-surface ; inline
+
+TUPLE: cairo-gadget < gadget ;
 
 : <cairo-gadget> ( dim -- gadget )
     cairo-gadget new-gadget
         swap >>dim ;
 
-M: cairo-gadget cache-key* [ dim>> ] [ class ] bi 2array ;
-
-: render-cairo ( dim quot -- bytes format )
-    >r 2^-bounds r> copy-cairo GL_BGRA ; inline
-
-GENERIC: render-cairo* ( gadget -- )
-
-M: cairo-gadget render*
-    [ dim>> dup ] [ '[ _ render-cairo* ] ] bi
-    render-cairo render-bytes* ;
-
-! maybe also texture>png
-! : cairo>png ( gadget path -- )
-!    >r [ cairo>bytes CAIRO_FORMAT_ARGB32 ] [ width>> ]
-!    [ height>> ] tri over width>stride
-!    cairo_image_surface_create_for_data
-!    r> [ cairo_surface_write_to_png check-cairo ] curry with-surface ;
+M: cairo-gadget draw-gadget*
+    [ dim>> ] [ render-cairo ] bi
+    origin get first2 glRasterPos2i
+    1.0 -1.0 glPixelZoom
+    >r first2 GL_BGRA GL_UNSIGNED_BYTE r>
+    glDrawPixels ;
 
 : copy-surface ( surface -- )
     cr swap 0 0 cairo_set_source_surface
     cr cairo_paint ;
-
-TUPLE: png-gadget < texture-gadget path ;
-: <png> ( path -- gadget )
-    png-gadget new-gadget
-        swap >>path ;
-
-M: png-gadget render*
-    path>> normalize-path cairo_image_surface_create_from_png
-    [ cairo_image_surface_get_width ]
-    [ cairo_image_surface_get_height 2array dup 2^-bounds ]
-    [ [ copy-surface ] curry copy-cairo ] tri
-    GL_BGRA render-bytes* ;
-
-M: png-gadget cache-key* path>> ;
diff --git a/extra/opengl/gadgets/gadgets.factor b/extra/opengl/gadgets/gadgets.factor
index cfedf32079..1fefcd5665 100644
--- a/extra/opengl/gadgets/gadgets.factor
+++ b/extra/opengl/gadgets/gadgets.factor
@@ -47,6 +47,11 @@ C: <entry> cache-entry
     cache-key* textures get delete-at*
     [ tex>> delete-texture ] [ drop ] if ;
 
+: clear-textures ( -- )
+    textures get values [ tex>> delete-texture ] each
+    H{ } clone textures set-global
+    H{ } clone refcounts set-global ;
+
 M: texture-gadget graft* ( gadget -- ) [ 1+ ] refcount-change ;
 
 M: texture-gadget ungraft* ( gadget -- )

From a9f8856b0d7c4cb757fa6c9e5e5871618e973621 Mon Sep 17 00:00:00 2001
From: Joe Groff <arcata@gmail.com>
Date: Thu, 13 Nov 2008 09:49:18 -0800
Subject: [PATCH 02/38] make shader code in spheres a little more readable

---
 basis/io/encodings/utf16/.utf16.factor.swo | Bin 16384 -> 0 bytes
 extra/spheres/spheres.factor               |  22 +++++++++++++++++----
 2 files changed, 18 insertions(+), 4 deletions(-)
 delete mode 100644 basis/io/encodings/utf16/.utf16.factor.swo

diff --git a/basis/io/encodings/utf16/.utf16.factor.swo b/basis/io/encodings/utf16/.utf16.factor.swo
deleted file mode 100644
index 01be8fdab2946825bf902b05af5135496b67501b..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 16384
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diff --git a/extra/spheres/spheres.factor b/extra/spheres/spheres.factor
index f119956db6..d203d49eab 100755
--- a/extra/spheres/spheres.factor
+++ b/extra/spheres/spheres.factor
@@ -14,16 +14,26 @@ main()
 ;
 
 STRING: plane-fragment-shader
+uniform float checker_size_inv;
+uniform vec4 checker_color_1, checker_color_2;
 varying vec3 object_position;
+
+bool
+checker_color(vec3 p)
+{
+    vec3 pprime = checker_size_inv * object_position;
+    return fract((floor(pprime.x) + floor(pprime.z)) * 0.5) == 0.0;
+}
+
 void
 main()
 {
     float distance_factor = (gl_FragCoord.z * 0.5 + 0.5);
     distance_factor = pow(distance_factor, 500.0)*0.5;
     
-    gl_FragColor = fract((floor(0.125*object_position.x)+floor(0.125*object_position.z)) * 0.5) == 0.0
-        ? vec4(1.0, 1.0 - distance_factor, 1.0 - distance_factor, 1.0)
-        : vec4(1.0, distance_factor, distance_factor, 1.0);
+    gl_FragColor = checker_color(object_position)
+        ? mix(checker_color_1, checker_color_2, distance_factor)
+        : mix(checker_color_2, checker_color_1, distance_factor);
 }
 ;
 
@@ -212,7 +222,11 @@ M: spheres-gadget pref-dim* ( gadget -- dim )
         ] with-gl-program
     ] [
         plane-program>> [
-            drop
+            {
+                [ "checker_size_inv" glGetUniformLocation 0.125 glUniform1f ]
+                [ "checker_color_1"  glGetUniformLocation 1.0 0.5 0.0 1.0 glUniform4f ]
+                [ "checker_color_2"  glGetUniformLocation 0.0 0.0 0.0 1.0 glUniform4f ]
+            } cleave
             GL_QUADS [
                 -1000.0 -30.0  1000.0 glVertex3f
                 -1000.0 -30.0 -1000.0 glVertex3f

From 49af5a1ac02461c23c080f8f3cdf26868409610f Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 15:10:24 -0600
Subject: [PATCH 03/38] add support for [\\w] and [\\W]

---
 basis/regexp/classes/classes.factor | 4 ++++
 basis/regexp/regexp-tests.factor    | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/basis/regexp/classes/classes.factor b/basis/regexp/classes/classes.factor
index a2d91b97fb..240b27a9cc 100644
--- a/basis/regexp/classes/classes.factor
+++ b/basis/regexp/classes/classes.factor
@@ -30,6 +30,10 @@ M: ascii-class class-member? ( obj class -- ? )
 M: digit-class class-member? ( obj class -- ? )
     drop digit? ;
 
+M: c-identifier-class class-member? ( obj class -- ? )
+    drop
+    { [ digit? ] [ Letter? ] [ CHAR: _ = ] } 1|| ;
+
 M: alpha-class class-member? ( obj class -- ? )
     drop alpha? ;
 
diff --git a/basis/regexp/regexp-tests.factor b/basis/regexp/regexp-tests.factor
index 2a6c0dc16f..3e7d83a12b 100644
--- a/basis/regexp/regexp-tests.factor
+++ b/basis/regexp/regexp-tests.factor
@@ -46,6 +46,14 @@ IN: regexp-tests
 [ t ] [ "a" ".+" <regexp> matches? ] unit-test
 [ t ] [ "ab" ".+" <regexp> matches? ] unit-test
 
+[ t ] [ " " "[\\s]" <regexp> matches? ] unit-test
+[ f ] [ "a" "[\\s]" <regexp> matches? ] unit-test
+[ f ] [ " " "[\\S]" <regexp> matches? ] unit-test
+[ t ] [ "a" "[\\S]" <regexp> matches? ] unit-test
+[ f ] [ " " "[\\w]" <regexp> matches? ] unit-test
+[ t ] [ "a" "[\\w]" <regexp> matches? ] unit-test
+[ t ] [ " " "[\\W]" <regexp> matches? ] unit-test
+[ f ] [ "a" "[\\W]" <regexp> matches? ] unit-test
 
 [ t ] [ "" "a|b*|c+|d?" <regexp> matches? ] unit-test
 [ t ] [ "a" "a|b*|c+|d?" <regexp> matches? ] unit-test

From 4350951f14b5f86e0cb30a26a9e7d791f5212486 Mon Sep 17 00:00:00 2001
From: "U-SLAVA-DFB8FF805\\Slava" <Slava@slava-dfb8ff805.(none)>
Date: Tue, 18 Nov 2008 15:44:26 -0600
Subject: [PATCH 04/38] More rendering fixes

---
 basis/ui/gadgets/grid-lines/grid-lines.factor | 14 ++++++--------
 basis/ui/render/render.factor                 |  0
 2 files changed, 6 insertions(+), 8 deletions(-)
 mode change 100644 => 100755 basis/ui/gadgets/grid-lines/grid-lines.factor
 mode change 100644 => 100755 basis/ui/render/render.factor

diff --git a/basis/ui/gadgets/grid-lines/grid-lines.factor b/basis/ui/gadgets/grid-lines/grid-lines.factor
old mode 100644
new mode 100755
index adfdd16f69..feca8f7c63
--- a/basis/ui/gadgets/grid-lines/grid-lines.factor
+++ b/basis/ui/gadgets/grid-lines/grid-lines.factor
@@ -18,18 +18,16 @@ SYMBOL: grid-dim
     grid-dim get spin set-axis ;
 
 : draw-grid-lines ( gaps orientation -- )
-    grid get rot grid-positions grid get rect-dim suffix [
-        grid-line-from/to gl-line
-    ] with each ;
+    [ grid get swap grid-positions grid get rect-dim suffix ] dip
+    [ [ v- ] curry map ] keep
+    [ swap grid-line-from/to gl-line ] curry each ;
 
 M: grid-lines draw-boundary
     color>> gl-color [
         dup grid set
         dup rect-dim half-gap v- grid-dim set
         compute-grid
-        [ { -0.5 -0.5 } gl-translate { 1 0 } draw-grid-lines ]
-        [
-            { 0.5 -0.5 } gl-translate
-            { 0 1 } draw-grid-lines
-        ] bi*
+        [ { 1 0 } draw-grid-lines ]
+        [ { 0 1 } draw-grid-lines ]
+        bi*
     ] with-scope ;
diff --git a/basis/ui/render/render.factor b/basis/ui/render/render.factor
old mode 100644
new mode 100755

From 565cd8913ba04ebec81b71c16761199b7e33aa11 Mon Sep 17 00:00:00 2001
From: "U-SLAVA-DFB8FF805\\Slava" <Slava@slava-dfb8ff805.(none)>
Date: Tue, 18 Nov 2008 15:45:20 -0600
Subject: [PATCH 05/38] On Windows, white renders as 253 253 253 ??

---
 extra/ui/render/test/test.factor | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 extra/ui/render/test/test.factor

diff --git a/extra/ui/render/test/test.factor b/extra/ui/render/test/test.factor
old mode 100644
new mode 100755
index 01b5b65bcf..bf7b7b4556
--- a/extra/ui/render/test/test.factor
+++ b/extra/ui/render/test/test.factor
@@ -22,8 +22,12 @@ TUPLE: ui-render-test < pack { first-time? initial: t } ;
 : message-window ( text -- )
     <label> "Message" open-window ;
 
+: twiddle ( bytes -- bytes )
+    #! On Windows, white is { 253 253 253 } ?
+    [ dup 253 = [ 2 + ] when ] map ;
+
 : check-rendering ( gadget -- )
-    gl-screenshot
+    gl-screenshot twiddle
     "resource:extra/ui/render/test/reference.bmp" load-bitmap array>>
     = "perfect" "needs work" ? "Your UI rendering is " prepend
     message-window ;

From 6397a2f789398896775906c509bacfc4d130b287 Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 15:57:32 -0600
Subject: [PATCH 06/38] move state-tables to basis

---
 {extra => basis}/state-tables/authors.txt               | 0
 {extra => basis}/state-tables/state-tables-tests.factor | 0
 {extra => basis}/state-tables/state-tables.factor       | 0
 3 files changed, 0 insertions(+), 0 deletions(-)
 rename {extra => basis}/state-tables/authors.txt (100%)
 rename {extra => basis}/state-tables/state-tables-tests.factor (100%)
 rename {extra => basis}/state-tables/state-tables.factor (100%)

diff --git a/extra/state-tables/authors.txt b/basis/state-tables/authors.txt
similarity index 100%
rename from extra/state-tables/authors.txt
rename to basis/state-tables/authors.txt
diff --git a/extra/state-tables/state-tables-tests.factor b/basis/state-tables/state-tables-tests.factor
similarity index 100%
rename from extra/state-tables/state-tables-tests.factor
rename to basis/state-tables/state-tables-tests.factor
diff --git a/extra/state-tables/state-tables.factor b/basis/state-tables/state-tables.factor
similarity index 100%
rename from extra/state-tables/state-tables.factor
rename to basis/state-tables/state-tables.factor

From 535a9223bd11fe2a773837a30ef977630f7eef2f Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 15:57:48 -0600
Subject: [PATCH 07/38] remove bogus dependency on vars

---
 basis/regexp/backend/backend.factor | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/basis/regexp/backend/backend.factor b/basis/regexp/backend/backend.factor
index 1a261fb0af..75a010b705 100644
--- a/basis/regexp/backend/backend.factor
+++ b/basis/regexp/backend/backend.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors hashtables kernel math state-tables vars vectors ;
+USING: accessors hashtables kernel math state-tables vectors ;
 IN: regexp.backend
 
 TUPLE: regexp

From 860bd1923bbd88f2f840dad20676727e0d40053f Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 15:59:20 -0600
Subject: [PATCH 08/38] fix stack effect

---
 basis/regexp/regexp.factor | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/basis/regexp/regexp.factor b/basis/regexp/regexp.factor
index 083a48a470..e99077f4aa 100644
--- a/basis/regexp/regexp.factor
+++ b/basis/regexp/regexp.factor
@@ -28,7 +28,7 @@ IN: regexp
 : match ( string regexp -- pair )
     <dfa-traverser> do-match return-match ;
 
-: match* ( string regexp -- pair )
+: match* ( string regexp -- pair captured-groups )
     <dfa-traverser> do-match [ return-match ] [ captured-groups>> ] bi ;
 
 : matches? ( string regexp -- ? )

From 239bfeafda8f1da53c58da86e7663c87cf5d33d4 Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 16:06:56 -0600
Subject: [PATCH 09/38] fix "\\/" <regexp>

---
 basis/regexp/parser/parser.factor | 1 +
 basis/regexp/regexp-tests.factor  | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/basis/regexp/parser/parser.factor b/basis/regexp/parser/parser.factor
index b7716d8580..b5022c602e 100644
--- a/basis/regexp/parser/parser.factor
+++ b/basis/regexp/parser/parser.factor
@@ -294,6 +294,7 @@ ERROR: unrecognized-escape char ;
     read1
     {
         { CHAR: \ [ CHAR: \ <constant> ] }
+        { CHAR: / [ CHAR: / <constant> ] }
         { CHAR: ^ [ CHAR: ^ <constant> ] }
         { CHAR: $ [ CHAR: $ <constant> ] }
         { CHAR: - [ CHAR: - <constant> ] }
diff --git a/basis/regexp/regexp-tests.factor b/basis/regexp/regexp-tests.factor
index 3e7d83a12b..15e78629b6 100644
--- a/basis/regexp/regexp-tests.factor
+++ b/basis/regexp/regexp-tests.factor
@@ -55,6 +55,8 @@ IN: regexp-tests
 [ t ] [ " " "[\\W]" <regexp> matches? ] unit-test
 [ f ] [ "a" "[\\W]" <regexp> matches? ] unit-test
 
+[ t ] [ "/" "\\/" <regexp> matches? ] unit-test
+
 [ t ] [ "" "a|b*|c+|d?" <regexp> matches? ] unit-test
 [ t ] [ "a" "a|b*|c+|d?" <regexp> matches? ] unit-test
 [ t ] [ "c" "a|b*|c+|d?" <regexp> matches? ] unit-test

From f5adb971f60e8dc35b4127e04364e35686abb41e Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 16:09:47 -0600
Subject: [PATCH 10/38] re-enable literal syntax for regexps

---
 basis/regexp/regexp-tests.factor | 2 ++
 basis/regexp/regexp.factor       | 3 ---
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/basis/regexp/regexp-tests.factor b/basis/regexp/regexp-tests.factor
index 15e78629b6..ba7dfed657 100644
--- a/basis/regexp/regexp-tests.factor
+++ b/basis/regexp/regexp-tests.factor
@@ -57,6 +57,8 @@ IN: regexp-tests
 
 [ t ] [ "/" "\\/" <regexp> matches? ] unit-test
 
+[ t ] [ "a" R' a'i matches? ] unit-test
+
 [ t ] [ "" "a|b*|c+|d?" <regexp> matches? ] unit-test
 [ t ] [ "a" "a|b*|c+|d?" <regexp> matches? ] unit-test
 [ t ] [ "c" "a|b*|c+|d?" <regexp> matches? ] unit-test
diff --git a/basis/regexp/regexp.factor b/basis/regexp/regexp.factor
index e99077f4aa..c9a1d2f47d 100644
--- a/basis/regexp/regexp.factor
+++ b/basis/regexp/regexp.factor
@@ -129,8 +129,6 @@ IN: regexp
 : option? ( option regexp -- ? )
     options>> key? ;
 
-USE: multiline
-/*
 M: regexp pprint*
     [
         [
@@ -139,4 +137,3 @@ M: regexp pprint*
             case-insensitive swap option? [ "i" % ] when
         ] "" make
     ] keep present-text ;
-*/

From 5f76266a2b3da50b4f46c130a1645a0cce30f8ce Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 16:16:24 -0600
Subject: [PATCH 11/38] Simpler URL regexp

---
 basis/validators/validators-tests.factor | 2 ++
 basis/validators/validators.factor       | 4 +---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/basis/validators/validators-tests.factor b/basis/validators/validators-tests.factor
index bd24323f20..d4f3487d0b 100644
--- a/basis/validators/validators-tests.factor
+++ b/basis/validators/validators-tests.factor
@@ -52,3 +52,5 @@ namespaces assocs ;
 [ "4561_2612_1234_5467" v-credit-card ] must-fail
 
 [ "4561-2621-1234-5467" v-credit-card ] must-fail
+
+[ t ] [ "http://double.co.nz/w?v=foo" dup v-url = ] unit-test
diff --git a/basis/validators/validators.factor b/basis/validators/validators.factor
index 0ddced63e8..7c41d3efdb 100644
--- a/basis/validators/validators.factor
+++ b/basis/validators/validators.factor
@@ -62,9 +62,7 @@ IN: validators
     v-regexp ;
 
 : v-url ( str -- str )
-    "URL"
-    R' (ftp|http|https)://(\w+:?\w*@)?(\S+)(:[0-9]+)?(/|/([\w#!:.?+=&%@!\-/]))?'
-    v-regexp ;
+    "URL" R' (ftp|http|https)://\S+' v-regexp ;
 
 : v-captcha ( str -- str )
     dup empty? [ "must remain blank" throw ] unless ;

From fc1754e4a0818117ce6a84d3ab6be2e6e037ed2d Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 16:16:34 -0600
Subject: [PATCH 12/38] Add two failing tests

---
 basis/regexp/regexp-tests.factor | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/basis/regexp/regexp-tests.factor b/basis/regexp/regexp-tests.factor
index 3e7d83a12b..897d6225cb 100644
--- a/basis/regexp/regexp-tests.factor
+++ b/basis/regexp/regexp-tests.factor
@@ -342,3 +342,7 @@ IN: regexp-tests
 [ { 0 3 } ] [ "abc" "(ab|a)(bc)?" <regexp> first-match ] unit-test
 
 [ { 23 24 } ] [ "aaaaaaaaaaaaaaaaaaaaaaab" "((a*)*b)*b" <regexp> first-match ] unit-test
+
+[ t ] [ "a:b" ".+:?" <regexp> matches? ] unit-test
+
+[ 1 ] [ "hello" ".+?" <regexp> match length ] unit-test

From 27bcb413a503db621d6a2001f952dc65ab553d0d Mon Sep 17 00:00:00 2001
From: "Jose A. Ortega Ruiz" <jao@gnu.org>
Date: Wed, 19 Nov 2008 00:59:43 +0100
Subject: [PATCH 13/38] Emacs factor-mode: better font lock: constructors,
 setters and parent types (with accompanying custom faces).

---
 misc/factor.el | 222 +++++++++++++++++++++++++++----------------------
 1 file changed, 121 insertions(+), 101 deletions(-)

diff --git a/misc/factor.el b/misc/factor.el
index 6204bdbef6..c18a3102e7 100644
--- a/misc/factor.el
+++ b/misc/factor.el
@@ -113,6 +113,14 @@ value from the existing code in the buffer."
   "Face for type (tuple) names."
   :group 'factor-faces)
 
+(defface factor-font-lock-constructor (factor--face font-lock-type-face)
+  "Face for constructors (<foo>)."
+  :group 'factor-faces)
+
+(defface factor-font-lock-setter-word (factor--face font-lock-function-name-face)
+  "Face for setter words (>>foo)."
+  :group 'factor-faces)
+
 (defface factor-font-lock-parsing-word (factor--face font-lock-keyword-face)
   "Face for parsing words."
   :group 'factor-faces)
@@ -146,6 +154,12 @@ value from the existing code in the buffer."
 (defconst factor--regex-type-definition
   (factor--regex-second-word '("TUPLE:")))
 
+(defconst factor--regex-parent-type "^TUPLE: +[^ ]+ +< +\\([^ ]+\\)")
+
+(defconst factor--regex-constructor "<[^ >]+>")
+
+(defconst factor--regex-setter "\\W>>[^ ]+\\b")
+
 (defconst factor--regex-symbol-definition
   (factor--regex-second-word '("SYMBOL:")))
 
@@ -166,6 +180,9 @@ value from the existing code in the buffer."
     (,factor--regex-parsing-words-ext . 'factor-font-lock-parsing-word)
     (,factor--regex-word-definition 2 'factor-font-lock-word-definition)
     (,factor--regex-type-definition 2 'factor-font-lock-type-definition)
+    (,factor--regex-parent-type 1 'factor-font-lock-type-definition)
+    (,factor--regex-constructor . 'factor-font-lock-constructor)
+    (,factor--regex-setter . 'factor-font-lock-setter-word)
     (,factor--regex-symbol-definition 2 'factor-font-lock-symbol-definition)
     (,factor--regex-using-line 1 'factor-font-lock-vocabulary-name)
     (,factor--regex-use-line 1 'factor-font-lock-vocabulary-name))
@@ -217,6 +234,109 @@ value from the existing code in the buffer."
     (modify-syntax-entry ?\) ")(" factor-mode-syntax-table)
     (modify-syntax-entry ?\" "\"    " factor-mode-syntax-table)))
 
+
+;;; Factor mode indentation:
+
+(make-variable-buffer-local
+ (defvar factor-indent-width factor-default-indent-width
+   "Indentation width in factor buffers. A local variable."))
+
+(defconst factor--regexp-word-start
+  (let ((sws '("" ":" "TUPLE" "MACRO" "MACRO:" "M")))
+    (format "^\\(%s\\): " (mapconcat 'identity sws "\\|"))))
+
+(defun factor--guess-indent-width ()
+  "Chooses an indentation value from existing code."
+  (let ((word-cont "^ +[^ ]")
+        (iw))
+    (save-excursion
+      (beginning-of-buffer)
+      (while (not iw)
+        (if (not (re-search-forward factor--regexp-word-start nil t))
+            (setq iw factor-default-indent-width)
+          (forward-line)
+          (when (looking-at word-cont)
+            (setq iw (current-indentation))))))
+    iw))
+
+(defsubst factor--ppss-brackets-depth ()
+  (nth 0 (syntax-ppss)))
+
+(defsubst factor--ppss-brackets-start ()
+  (nth 1 (syntax-ppss)))
+
+(defsubst factor--line-indent (pos)
+  (save-excursion (goto-char pos) (current-indentation)))
+
+(defconst factor--regex-closing-paren "[])}]")
+(defsubst factor--at-closing-paren-p ()
+  (looking-at factor--regex-closing-paren))
+
+(defsubst factor--at-first-char-p ()
+  (= (- (point) (line-beginning-position)) (current-indentation)))
+
+(defconst factor--regex-single-liner
+  (format "^%s" (regexp-opt '("DEFER:" "GENERIC:" "IN:" "PRIVATE>" "<PRIVATE" "USE:"))))
+
+(defsubst factor--at-begin-of-def ()
+  (looking-at "\\([^ ]\\|^\\)+:"))
+
+(defun factor--at-end-of-def ()
+  (or (looking-at ".*;[ \t]*$")
+      (looking-at factor--regex-single-liner)))
+
+(defun factor--indent-in-brackets ()
+  (save-excursion
+    (beginning-of-line)
+    (when (or (and (re-search-forward factor--regex-closing-paren
+                                      (line-end-position) t)
+                   (not (backward-char)))
+              (> (factor--ppss-brackets-depth) 0))
+      (let ((op (factor--ppss-brackets-start)))
+        (when (> (line-number-at-pos) (line-number-at-pos op))
+          (if (factor--at-closing-paren-p)
+              (factor--line-indent op)
+            (+ (factor--line-indent op) factor-indent-width)))))))
+
+(defun factor--indent-definition ()
+  (save-excursion
+    (beginning-of-line)
+    (when (factor--at-begin-of-def) 0)))
+
+(defun factor--indent-continuation ()
+  (save-excursion
+    (forward-line -1)
+    (beginning-of-line)
+    (if (bobp) 0
+      (if (looking-at "^[ \t]*$")
+          (factor--indent-continuation)
+        (if (factor--at-end-of-def)
+            (- (current-indentation) factor-indent-width)
+          (if (factor--at-begin-of-def)
+              (+ (current-indentation) factor-indent-width)
+            (current-indentation)))))))
+
+(defun factor--calculate-indentation ()
+  "Calculate Factor indentation for line at point."
+  (or (and (bobp) 0)
+      (factor--indent-definition)
+      (factor--indent-in-brackets)
+      (factor--indent-continuation)
+      0))
+
+(defun factor--indent-line ()
+  "Indent current line as Factor code"
+  (let ((target (factor--calculate-indentation))
+        (pos (- (point-max) (point))))
+    (if (= target (current-indentation))
+        (if (< (current-column) (current-indentation))
+            (back-to-indentation))
+      (beginning-of-line)
+      (delete-horizontal-space)
+      (indent-to target)
+      (if (> (- (point-max) pos) (point))
+          (goto-char (- (point-max) pos))))))
+
 
 ;;; Factor mode commands:
 
@@ -314,105 +434,6 @@ value from the existing code in the buffer."
 (define-key factor-mode-map [return]   'newline-and-indent)
 (define-key factor-mode-map [tab]      'indent-for-tab-command)
 
-
-;;; Factor mode indentation:
-
-(make-variable-buffer-local
- (defvar factor-indent-width factor-default-indent-width
-   "Indentation width in factor buffers. A local variable."))
-
-(defconst factor--regexp-word-start
-  (let ((sws '("" ":" "TUPLE" "MACRO" "MACRO:" "M")))
-    (format "^\\(%s\\): " (mapconcat 'identity sws "\\|"))))
-
-(defun factor--guess-indent-width ()
-  "Chooses an indentation value from existing code."
-  (let ((word-cont "^ +[^ ]")
-        (iw))
-    (save-excursion
-      (beginning-of-buffer)
-      (while (not iw)
-        (if (not (re-search-forward factor--regexp-word-start nil t))
-            (setq iw factor-default-indent-width)
-          (forward-line)
-          (when (looking-at word-cont)
-            (setq iw (current-indentation))))))
-    iw))
-
-(defsubst factor--ppss-brackets-depth ()
-  (nth 0 (syntax-ppss)))
-
-(defsubst factor--ppss-brackets-start ()
-  (nth 1 (syntax-ppss)))
-
-(defsubst factor--line-indent (pos)
-  (save-excursion (goto-char pos) (current-indentation)))
-
-(defconst factor--regex-closing-paren "[])}]")
-(defsubst factor--at-closing-paren-p ()
-  (looking-at factor--regex-closing-paren))
-
-(defsubst factor--at-first-char-p ()
-  (= (- (point) (line-beginning-position)) (current-indentation)))
-
-(defconst factor--regex-single-liner
-  (format "^%s" (regexp-opt '("USE:" "IN:" "PRIVATE>" "<PRIVATE"))))
-
-(defun factor--at-end-of-def ()
-  (or (looking-at ".*;[ \t]*$")
-      (looking-at factor--regex-single-liner)))
-
-(defun factor--indent-in-brackets ()
-  (save-excursion
-    (beginning-of-line)
-    (when (or (and (re-search-forward factor--regex-closing-paren
-                                      (line-end-position) t)
-                   (not (backward-char)))
-               (> (factor--ppss-brackets-depth) 0))
-      (let ((op (factor--ppss-brackets-start)))
-        (when (> (line-number-at-pos) (line-number-at-pos op))
-          (if (factor--at-closing-paren-p)
-              (factor--line-indent op)
-            (+ (factor--line-indent op) factor-indent-width)))))))
-
-(defun factor--indent-definition ()
-  (save-excursion
-    (beginning-of-line)
-    (when (looking-at "\\([^ ]\\|^\\)+:") 0)))
-
-(defun factor--indent-continuation ()
-  (save-excursion
-    (forward-line -1)
-    (beginning-of-line)
-    (if (bobp) 0
-      (if (looking-at "^[ \t]*$")
-          (factor--indent-continuation)
-        (if (factor--at-end-of-def)
-            (- (current-indentation) factor-indent-width)
-          (if (factor--indent-definition)
-              (+ (current-indentation) factor-indent-width)
-            (current-indentation)))))))
-
-(defun factor--calculate-indentation ()
-  "Calculate Factor indentation for line at point."
-  (or (and (bobp) 0)
-      (factor--indent-definition)
-      (factor--indent-in-brackets)
-      (factor--indent-continuation)
-      0))
-
-(defun factor-indent-line ()
-  "Indent current line as Factor code"
-  (let ((target (factor--calculate-indentation))
-        (pos (- (point-max) (point))))
-    (if (= target (current-indentation))
-        (if (< (current-column) (current-indentation))
-            (back-to-indentation))
-      (beginning-of-line)
-      (delete-horizontal-space)
-      (indent-to target)
-      (if (> (- (point-max) pos) (point))
-          (goto-char (- (point-max) pos))))))
 
 
 ;; Factor mode:
@@ -426,12 +447,11 @@ value from the existing code in the buffer."
   (use-local-map factor-mode-map)
   (setq major-mode 'factor-mode)
   (setq mode-name "Factor")
-  (set (make-local-variable 'indent-line-function) #'factor-indent-line)
   (set (make-local-variable 'comment-start) "! ")
   (set (make-local-variable 'font-lock-defaults)
        '(factor-font-lock-keywords t nil nil nil))
   (set-syntax-table factor-mode-syntax-table)
-  (set (make-local-variable 'indent-line-function) 'factor-indent-line)
+  (set (make-local-variable 'indent-line-function) 'factor--indent-line)
   (setq factor-indent-width (factor--guess-indent-width))
   (setq indent-tabs-mode nil)
   (run-hooks 'factor-mode-hook))

From 7fd0a27c0d2c7af35756a0d808721d676a66592c Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 18:21:42 -0600
Subject: [PATCH 14/38] VM no longer uses printf since format string directives
 are not portable between Win64 and everything else...

---
 vm/Config.x86.64     |   1 +
 vm/code_gc.c         |   9 +-
 vm/code_heap.c       |   8 +-
 vm/data_gc.c         |  34 -------
 vm/debug.c           | 210 ++++++++++++++++++++++---------------------
 vm/errors.c          |  16 ++--
 vm/factor.c          |   8 +-
 vm/ffi_test.c        |  32 -------
 vm/image.c           |  33 ++++---
 vm/main-windows-nt.c |   4 +-
 vm/os-unix.h         |  14 ++-
 vm/os-windows.c      |   1 -
 vm/os-windows.h      |  13 ++-
 vm/utilities.c       |  39 ++++++++
 vm/utilities.h       |   8 ++
 15 files changed, 224 insertions(+), 206 deletions(-)

diff --git a/vm/Config.x86.64 b/vm/Config.x86.64
index 53a4d3c5e1..63f06d5a78 100644
--- a/vm/Config.x86.64
+++ b/vm/Config.x86.64
@@ -1 +1,2 @@
 PLAF_DLL_OBJS += vm/cpu-x86.64.o
+CFLAGS += -DFACTOR_64
diff --git a/vm/code_gc.c b/vm/code_gc.c
index bd6384408b..59e99b0260 100755
--- a/vm/code_gc.c
+++ b/vm/code_gc.c
@@ -333,12 +333,14 @@ void dump_heap(F_HEAP *heap)
 			break;
 		}
 
-		fprintf(stderr,"%lx %lx %s\n",(CELL)scan,scan->size,status);
+		print_cell_hex((CELL)scan); print_string(" ");
+		print_cell_hex(scan->size); print_string(" ");
+		print_string(status); print_string("\n");
 
 		scan = next_block(heap,scan);
 	}
 	
-	printf("%ld bytes of relocation data\n",size);
+	print_cell(size); print_string(" bytes of relocation data\n");
 }
 
 /* Compute where each block is going to go, after compaction */
@@ -460,9 +462,6 @@ void compact_code_heap(void)
 	/* Free all unreachable code blocks */
 	gc();
 
-	fprintf(stderr,"*** Code heap compaction...\n");
-	fflush(stderr);
-
 	/* Figure out where the code heap blocks are going to end up */
 	CELL size = compute_heap_forwarding(&code_heap);
 
diff --git a/vm/code_heap.c b/vm/code_heap.c
index 2268df27e3..f3a4071e98 100755
--- a/vm/code_heap.c
+++ b/vm/code_heap.c
@@ -238,10 +238,10 @@ CELL allot_code_block(CELL size)
 			CELL used, total_free, max_free;
 			heap_usage(&code_heap,&used,&total_free,&max_free);
 
-			fprintf(stderr,"Code heap stats:\n");
-			fprintf(stderr,"Used: %ld\n",used);
-			fprintf(stderr,"Total free space: %ld\n",total_free);
-			fprintf(stderr,"Largest free block: %ld\n",max_free);
+			print_string("Code heap stats:\n");
+			print_string("Used: "); print_cell(used); nl();
+			print_string("Total free space: "); print_cell(total_free); nl();
+			print_string("Largest free block: "); print_cell(max_free); nl();
 			fatal_error("Out of memory in add-compiled-block",0);
 		}
 	}
diff --git a/vm/data_gc.c b/vm/data_gc.c
index cf1632811c..9f8ffb625e 100755
--- a/vm/data_gc.c
+++ b/vm/data_gc.c
@@ -1,20 +1,5 @@
 #include "master.h"
 
-#define ALLOC_DATA_HEAP "alloc_data_heap: gens=%ld, young_size=%ld, aging_size=%ld, tenured_size=%ld\n"
-#define GC_REQUESTED "garbage_collection: growing_data_heap=%d, requested_bytes=%ld\n"
-#define BEGIN_GC "begin_gc: growing_data_heap=%d, collecting_gen=%ld\n"
-#define END_GC "end_gc: gc_elapsed=%ld\n"
-#define END_AGING_GC "end_gc: aging_collections=%ld, cards_scanned=%ld\n"
-#define END_NURSERY_GC "end_gc: nursery_collections=%ld, cards_scanned=%ld\n"
-
-/* #define GC_DEBUG */
-
-#ifdef GC_DEBUG
-	#define GC_PRINT printf
-#else
-	INLINE void GC_PRINT() { }
-#endif
-
 CELL init_zone(F_ZONE *z, CELL size, CELL start)
 {
 	z->size = size;
@@ -36,8 +21,6 @@ F_DATA_HEAP *alloc_data_heap(CELL gens,
 	CELL aging_size,
 	CELL tenured_size)
 {
-	GC_PRINT(ALLOC_DATA_HEAP,gens,young_size,aging_size,tenured_size);
-
 	young_size = align(young_size,DECK_SIZE);
 	aging_size = align(aging_size,DECK_SIZE);
 	tenured_size = align(tenured_size,DECK_SIZE);
@@ -438,8 +421,6 @@ void collect_gen_cards(CELL gen)
 old->new references */
 void collect_cards(void)
 {
-	GC_PRINT("Collect cards\n");
-
 	int i;
 	for(i = collecting_gen + 1; i < data_heap->gen_count; i++)
 		collect_gen_cards(i);
@@ -468,9 +449,7 @@ void collect_callstack(F_CONTEXT *stacks)
 		CELL top = (CELL)stacks->callstack_top;
 		CELL bottom = (CELL)stacks->callstack_bottom;
 
-		GC_PRINT("Collect callstack %ld %ld\n",top,bottom);
 		iterate_callstack(top,bottom,collect_stack_frame);
-		GC_PRINT("Done\n");
 	}
 }
 
@@ -486,7 +465,6 @@ void collect_gc_locals(void)
 the user environment and extra roots registered with REGISTER_ROOT */
 void collect_roots(void)
 {
-	GC_PRINT("Collect roots\n");
 	copy_handle(&T);
 	copy_handle(&bignum_zero);
 	copy_handle(&bignum_pos_one);
@@ -759,14 +737,6 @@ void begin_gc(CELL requested_bytes)
 		so we set the newspace so the next generation. */
 		newspace = &data_heap->generations[collecting_gen + 1];
 	}
-
-#ifdef GC_DEBUG
-	printf("\n");
-	dump_generations();
-	printf("Newspace: ");
-	dump_zone(newspace);
-	printf("\n");
-#endif
 }
 
 void end_gc(CELL gc_elapsed)
@@ -823,8 +793,6 @@ void garbage_collection(CELL gen,
 		return;
 	}
 
-	GC_PRINT(GC_REQUESTED,growing_data_heap_,requested_bytes);
-
 	s64 start = current_millis();
 
 	performing_gc = true;
@@ -858,7 +826,6 @@ void garbage_collection(CELL gen,
 		}
 	}
 
-	GC_PRINT(BEGIN_GC,growing_data_heap,collecting_gen);
 	begin_gc(requested_bytes);
 
 	/* initialize chase pointer */
@@ -895,7 +862,6 @@ void garbage_collection(CELL gen,
 
 	CELL gc_elapsed = (current_millis() - start);
 
-	GC_PRINT(END_GC,gc_elapsed);
 	end_gc(gc_elapsed);
 
 	performing_gc = false;
diff --git a/vm/debug.c b/vm/debug.c
index 41205d4aff..8c6ec203ad 100755
--- a/vm/debug.c
+++ b/vm/debug.c
@@ -15,20 +15,20 @@ void print_word(F_WORD* word, CELL nesting)
 	if(type_of(word->vocabulary) == STRING_TYPE)
 	{
 		print_chars(untag_string(word->vocabulary));
-		printf(":");
+		print_string(":");
 	}
 	
 	if(type_of(word->name) == STRING_TYPE)
 		print_chars(untag_string(word->name));
 	else
 	{
-		printf("#<not a string: ");
+		print_string("#<not a string: ");
 		print_nested_obj(word->name,nesting);
-		printf(">");
+		print_string(">");
 	}
 }
 
-void print_string(F_STRING* str)
+void print_factor_string(F_STRING* str)
 {
 	putchar('"');
 	print_chars(str);
@@ -51,12 +51,12 @@ void print_array(F_ARRAY* array, CELL nesting)
 
 	for(i = 0; i < length; i++)
 	{
-		printf(" ");
+		print_string(" ");
 		print_nested_obj(array_nth(array,i),nesting);
 	}
 
 	if(trimmed)
-		printf("...");
+		print_string("...");
 }
 
 void print_tuple(F_TUPLE* tuple, CELL nesting)
@@ -64,7 +64,7 @@ void print_tuple(F_TUPLE* tuple, CELL nesting)
 	F_TUPLE_LAYOUT *layout = untag_object(tuple->layout);
 	CELL length = to_fixnum(layout->size);
 
-	printf(" ");
+	print_string(" ");
 	print_nested_obj(layout->class,nesting);
 
 	CELL i;
@@ -80,19 +80,19 @@ void print_tuple(F_TUPLE* tuple, CELL nesting)
 
 	for(i = 0; i < length; i++)
 	{
-		printf(" ");
+		print_string(" ");
 		print_nested_obj(tuple_nth(tuple,i),nesting);
 	}
 
 	if(trimmed)
-		printf("...");
+		print_string("...");
 }
 
 void print_nested_obj(CELL obj, F_FIXNUM nesting)
 {
 	if(nesting <= 0 && !full_output)
 	{
-		printf(" ... ");
+		print_string(" ... ");
 		return;
 	}
 
@@ -101,35 +101,35 @@ void print_nested_obj(CELL obj, F_FIXNUM nesting)
 	switch(type_of(obj))
 	{
 	case FIXNUM_TYPE:
-		printf("%ld",untag_fixnum_fast(obj));
+		print_fixnum(untag_fixnum_fast(obj));
 		break;
 	case WORD_TYPE:
 		print_word(untag_word(obj),nesting - 1);
 		break;
 	case STRING_TYPE:
-		print_string(untag_string(obj));
+		print_factor_string(untag_string(obj));
 		break;
 	case F_TYPE:
-		printf("f");
+		print_string("f");
 		break;
 	case TUPLE_TYPE:
-		printf("T{");
+		print_string("T{");
 		print_tuple(untag_object(obj),nesting - 1);
-		printf(" }");
+		print_string(" }");
 		break;
 	case ARRAY_TYPE:
-		printf("{");
+		print_string("{");
 		print_array(untag_object(obj),nesting - 1);
-		printf(" }");
+		print_string(" }");
 		break;
 	case QUOTATION_TYPE:
-		printf("[");
+		print_string("[");
 		quot = untag_object(obj);
 		print_array(untag_object(quot->array),nesting - 1);
-		printf(" ]");
+		print_string(" ]");
 		break;
 	default:
-		printf("#<type %ld @ %lx>",type_of(obj),obj);
+		print_string("#<type "); print_cell(type_of(obj)); print_string(" @ "); print_cell_hex(obj);
 		break;
 	}
 }
@@ -144,35 +144,35 @@ void print_objects(CELL start, CELL end)
 	for(; start <= end; start += CELLS)
 	{
 		print_obj(get(start));
-		printf("\n");
+		nl();
 	}
 }
 
 void print_datastack(void)
 {
-	printf("==== DATA STACK:\n");
+	print_string("==== DATA STACK:\n");
 	print_objects(ds_bot,ds);
 }
 
 void print_retainstack(void)
 {
-	printf("==== RETAIN STACK:\n");
+	print_string("==== RETAIN STACK:\n");
 	print_objects(rs_bot,rs);
 }
 
 void print_stack_frame(F_STACK_FRAME *frame)
 {
 	print_obj(frame_executing(frame));
-	printf("\n");
+	print_string("\n");
 	print_obj(frame_scan(frame));
-	printf("\n");
-	printf("%lx\n",(CELL)frame_executing(frame));
-	printf("%lx\n",(CELL)frame->xt);
+	print_string("\n");
+	print_cell_hex((CELL)frame_executing(frame));
+	print_cell_hex((CELL)frame->xt);
 }
 
 void print_callstack(void)
 {
-	printf("==== CALL STACK:\n");
+	print_string("==== CALL STACK:\n");
 	CELL bottom = (CELL)stack_chain->callstack_bottom;
 	CELL top = (CELL)stack_chain->callstack_top;
 	iterate_callstack(top,bottom,print_stack_frame);
@@ -180,11 +180,11 @@ void print_callstack(void)
 
 void dump_cell(CELL cell)
 {
-	printf("%08lx: ",cell);
+	print_cell_hex_pad(cell); print_string(": ");
 
 	cell = get(cell);
 
-	printf("%08lx tag %ld",cell,TAG(cell));
+	print_cell_hex_pad(cell); print_string(" tag "); print_cell(TAG(cell));
 
 	switch(TAG(cell))
 	{
@@ -192,24 +192,29 @@ void dump_cell(CELL cell)
 	case BIGNUM_TYPE:
 	case FLOAT_TYPE:
 		if(cell == F)
-			printf(" -- F");
+			print_string(" -- F");
 		else if(cell < TYPE_COUNT<<TAG_BITS)
-			printf(" -- possible header: %ld",cell>>TAG_BITS);
+		{
+			print_string(" -- possible header: ");
+			print_cell(cell>>TAG_BITS);
+		}
 		else if(cell >= data_heap->segment->start
 			&& cell < data_heap->segment->end)
 		{
 			CELL header = get(UNTAG(cell));
 			CELL type = header>>TAG_BITS;
-			printf(" -- object; ");
+			print_string(" -- object; ");
 			if(TAG(header) == 0 && type < TYPE_COUNT)
-				printf(" type %ld",type);
+			{
+				print_string(" type "); print_cell(type);
+			}
 			else
-				printf(" header corrupt");
+				print_string(" header corrupt");
 		}
 		break;
 	}
 	
-	printf("\n");
+	nl();
 }
 
 void dump_memory(CELL from, CELL to)
@@ -222,32 +227,35 @@ void dump_memory(CELL from, CELL to)
 
 void dump_zone(F_ZONE *z)
 {
-	printf("start=%ld, size=%ld, here=%ld\n",
-		z->start,z->size,z->here - z->start);
+	print_string("Start="); print_cell(z->start);
+	print_string(", size="); print_cell(z->size);
+	print_string(", here="); print_cell(z->here - z->start); nl();
 }
 
 void dump_generations(void)
 {
-	int i;
+	CELL i;
 
-	printf("Nursery: ");
+	print_string("Nursery: ");
 	dump_zone(&nursery);
 	
 	for(i = 1; i < data_heap->gen_count; i++)
 	{
-		printf("Generation %d: ",i);
+		print_string("Generation "); print_cell(i); print_string(": ");
 		dump_zone(&data_heap->generations[i]);
 	}
 
 	for(i = 0; i < data_heap->gen_count; i++)
 	{
-		printf("Semispace %d: ",i);
+		print_string("Semispace "); print_cell(i); print_string(": ");
 		dump_zone(&data_heap->semispaces[i]);
 	}
 
-	printf("Cards: base=%lx, size=%lx\n",
-		(CELL)data_heap->cards,
-		(CELL)(data_heap->cards_end - data_heap->cards));
+	print_string("Cards: base=");
+	print_cell((CELL)data_heap->cards);
+	print_string(", size=");
+	print_cell((CELL)(data_heap->cards_end - data_heap->cards));
+	nl();
 }
 
 void dump_objects(F_FIXNUM type)
@@ -260,9 +268,10 @@ void dump_objects(F_FIXNUM type)
 	{
 		if(type == -1 || type_of(obj) == type)
 		{
-			printf("%lx ",obj);
+			print_cell_hex_pad(obj);
+			print_string(" ");
 			print_nested_obj(obj,2);
-			printf("\n");
+			nl();
 		}
 	}
 
@@ -277,9 +286,10 @@ void find_data_references_step(CELL *scan)
 {
 	if(look_for == *scan)
 	{
-		printf("%lx ",obj);
+		print_cell_hex_pad(obj);
+		print_string(" ");
 		print_nested_obj(obj,2);
-		printf("\n");
+		nl();
 	}
 }
 
@@ -312,9 +322,10 @@ void find_code_references_step(F_COMPILED *compiled, CELL code_start, CELL liter
 
 		if(look_for == get(scan))
 		{
-			printf("%lx ",obj);
+			print_cell_hex_pad(obj);
+			print_string(" ");
 			print_nested_obj(obj,2);
-			printf("\n");
+			nl();
 		}
 	}
 }
@@ -329,34 +340,34 @@ void factorbug(void)
 {
 	if(fep_disabled)
 	{
-		printf("Low level debugger disabled\n");
+		print_string("Low level debugger disabled\n");
 		exit(1);
 	}
 
-	open_console();
+	/* open_console(); */
 
-	printf("Starting low level debugger...\n");
-	printf("  Basic commands:\n");
-	printf("q                -- continue executing Factor - NOT SAFE\n");
-	printf("im               -- save image to fep.image\n");
-	printf("x                -- exit Factor\n");
-	printf("  Advanced commands:\n");
-	printf("d <addr> <count> -- dump memory\n");
-	printf("u <addr>         -- dump object at tagged <addr>\n");
-	printf(". <addr>         -- print object at tagged <addr>\n");
-	printf("t                -- toggle output trimming\n");
-	printf("s r              -- dump data, retain stacks\n");
-	printf(".s .r .c         -- print data, retain, call stacks\n");
-	printf("e                -- dump environment\n");
-	printf("g                -- dump generations\n");
-	printf("card <addr>      -- print card containing address\n");
-	printf("addr <card>      -- print address containing card\n");
-	printf("data             -- data heap dump\n");
-	printf("words            -- words dump\n");
-	printf("tuples           -- tuples dump\n");
-	printf("refs <addr>      -- find data heap references to object\n");
-	printf("push <addr>      -- push object on data stack - NOT SAFE\n");
-	printf("code             -- code heap dump\n");
+	print_string("Starting low level debugger...\n");
+	print_string("  Basic commands:\n");
+	print_string("q                -- continue executing Factor - NOT SAFE\n");
+	print_string("im               -- save image to fep.image\n");
+	print_string("x                -- exit Factor\n");
+	print_string("  Advanced commands:\n");
+	print_string("d <addr> <count> -- dump memory\n");
+	print_string("u <addr>         -- dump object at tagged <addr>\n");
+	print_string(". <addr>         -- print object at tagged <addr>\n");
+	print_string("t                -- toggle output trimming\n");
+	print_string("s r              -- dump data, retain stacks\n");
+	print_string(".s .r .c         -- print data, retain, call stacks\n");
+	print_string("e                -- dump environment\n");
+	print_string("g                -- dump generations\n");
+	print_string("card <addr>      -- print card containing address\n");
+	print_string("addr <card>      -- print address containing card\n");
+	print_string("data             -- data heap dump\n");
+	print_string("words            -- words dump\n");
+	print_string("tuples           -- tuples dump\n");
+	print_string("refs <addr>      -- find data heap references to object\n");
+	print_string("push <addr>      -- push object on data stack - NOT SAFE\n");
+	print_string("code             -- code heap dump\n");
 
 	bool seen_command = false;
 
@@ -364,7 +375,7 @@ void factorbug(void)
 	{
 		char cmd[1024];
 
-		printf("READY\n");
+		print_string("READY\n");
 		fflush(stdout);
 
 		if(scanf("%1000s",cmd) <= 0)
@@ -389,23 +400,22 @@ void factorbug(void)
 
 		if(strcmp(cmd,"d") == 0)
 		{
-			CELL addr, count;
-			scanf("%lx %lx",&addr,&count);
+			CELL addr = read_cell_hex();
+			scanf(" ");
+			CELL count = read_cell_hex();
 			dump_memory(addr,addr+count);
 		}
-		if(strcmp(cmd,"u") == 0)
+		else if(strcmp(cmd,"u") == 0)
 		{
-			CELL addr, count;
-			scanf("%lx",&addr);
-			count = object_size(addr);
+			CELL addr = read_cell_hex();
+			CELL count = object_size(addr);
 			dump_memory(addr,addr+count);
 		}
 		else if(strcmp(cmd,".") == 0)
 		{
-			CELL addr;
-			scanf("%lx",&addr);
+			CELL addr = read_cell_hex();
 			print_obj(addr);
-			printf("\n");
+			print_string("\n");
 		}
 		else if(strcmp(cmd,"t") == 0)
 			full_output = !full_output;
@@ -429,15 +439,15 @@ void factorbug(void)
 			dump_generations();
 		else if(strcmp(cmd,"card") == 0)
 		{
-			CELL addr;
-			scanf("%lx",&addr);
-			printf("%lx\n",(CELL)ADDR_TO_CARD(addr));
+			CELL addr = read_cell_hex();
+			print_cell_hex((CELL)ADDR_TO_CARD(addr));
+			nl();
 		}
 		else if(strcmp(cmd,"addr") == 0)
 		{
-			CELL card;
-			scanf("%lx",&card);
-			printf("%lx\n",(CELL)CARD_TO_ADDR(card));
+			CELL card = read_cell_hex();
+			print_cell_hex((CELL)CARD_TO_ADDR(card));
+			nl();
 		}
 		else if(strcmp(cmd,"q") == 0)
 			return;
@@ -449,13 +459,12 @@ void factorbug(void)
 			dump_objects(-1);
 		else if(strcmp(cmd,"refs") == 0)
 		{
-			CELL addr;
-			scanf("%lx",&addr);
-			printf("Data heap references:\n");
+			CELL addr = read_cell_hex();
+			print_string("Data heap references:\n");
 			find_data_references(addr);
-			printf("Code heap references:\n");
+			print_string("Code heap references:\n");
 			find_code_references(addr);
-			printf("\n");
+			nl();
 		}
 		else if(strcmp(cmd,"words") == 0)
 			dump_objects(WORD_TYPE);
@@ -463,20 +472,19 @@ void factorbug(void)
 			dump_objects(TUPLE_TYPE);
 		else if(strcmp(cmd,"push") == 0)
 		{
-			CELL addr;
-			scanf("%lx",&addr);
+			CELL addr = read_cell_hex();
 			dpush(addr);
 		}
 		else if(strcmp(cmd,"code") == 0)
 			dump_heap(&code_heap);
 		else
-			printf("unknown command\n");
+			print_string("unknown command\n");
 	}
 }
 
 void primitive_die(void)
 {
-	fprintf(stderr,"The die word was called by the library. Unless you called it yourself,\n");
-	fprintf(stderr,"you have triggered a bug in Factor. Please report.\n");
+	print_string("The die word was called by the library. Unless you called it yourself,\n");
+	print_string("you have triggered a bug in Factor. Please report.\n");
 	factorbug();
 }
diff --git a/vm/errors.c b/vm/errors.c
index fe6e79be6d..7c06ec1310 100755
--- a/vm/errors.c
+++ b/vm/errors.c
@@ -2,21 +2,23 @@
 
 void out_of_memory(void)
 {
-	fprintf(stderr,"Out of memory\n\n");
+	print_string("Out of memory\n\n");
 	dump_generations();
 	exit(1);
 }
 
 void fatal_error(char* msg, CELL tagged)
 {
-	fprintf(stderr,"fatal_error: %s %lx\n",msg,tagged);
+	print_string("fatal_error: "); print_string(msg);
+	print_string(": "); print_cell_hex(tagged); nl();
 	exit(1);
 }
 
 void critical_error(char* msg, CELL tagged)
 {
-	fprintf(stderr,"You have triggered a bug in Factor. Please report.\n");
-	fprintf(stderr,"critical_error: %s %lx\n",msg,tagged);
+	print_string("You have triggered a bug in Factor. Please report.\n");
+	print_string("critical_error: "); print_string(msg);
+	print_string(": "); print_cell_hex(tagged); nl();
 	factorbug();
 }
 
@@ -57,10 +59,10 @@ void throw_error(CELL error, F_STACK_FRAME *callstack_top)
 	crash. */
 	else
 	{
-		printf("You have triggered a bug in Factor. Please report.\n");
-		printf("early_error: ");
+		print_string("You have triggered a bug in Factor. Please report.\n");
+		print_string("early_error: ");
 		print_obj(error);
-		printf("\n");
+		nl();
 		factorbug();
 	}
 }
diff --git a/vm/factor.c b/vm/factor.c
index c8b07cba64..8e0aadb4fd 100755
--- a/vm/factor.c
+++ b/vm/factor.c
@@ -41,8 +41,8 @@ void default_parameters(F_PARAMETERS *p)
 /* Do some initialization that we do once only */
 void do_stage1_init(void)
 {
-	fprintf(stderr,"*** Stage 2 early init... ");
-	fflush(stderr);
+	print_string("*** Stage 2 early init... ");
+	fflush(stdout);
 
 	CELL words = find_all_words();
 
@@ -65,8 +65,8 @@ void do_stage1_init(void)
 
 	userenv[STAGE2_ENV] = T;
 
-	fprintf(stderr,"done\n");
-	fflush(stderr);
+	print_string("done\n");
+	fflush(stdout);
 }
 
 /* Get things started */
diff --git a/vm/ffi_test.c b/vm/ffi_test.c
index 7ae4491d80..1ec41ac2b9 100755
--- a/vm/ffi_test.c
+++ b/vm/ffi_test.c
@@ -6,91 +6,76 @@
 
 void ffi_test_0(void)
 {
-	printf("ffi_test_0()\n");
 }
 
 int ffi_test_1(void)
 {
-	printf("ffi_test_1()\n");
 	return 3;
 }
 
 int ffi_test_2(int x, int y)
 {
-	printf("ffi_test_2(%d,%d)\n",x,y);
 	return x + y;
 }
 
 int ffi_test_3(int x, int y, int z, int t)
 {
-	printf("ffi_test_3(%d,%d,%d,%d)\n",x,y,z,t);
 	return x + y + z * t;
 }
 
 float ffi_test_4(void)
 {
-	printf("ffi_test_4()\n");
 	return 1.5;
 }
 
 double ffi_test_5(void)
 {
-	printf("ffi_test_5()\n");
 	return 1.5;
 }
 
 double ffi_test_6(float x, float y)
 {
-	printf("ffi_test_6(%f,%f)\n",x,y);
 	return x * y;
 }
 
 double ffi_test_7(double x, double y)
 {
-	printf("ffi_test_7(%f,%f)\n",x,y);
 	return x * y;
 }
 
 double ffi_test_8(double x, float y, double z, float t, int w)
 {
-	printf("ffi_test_8(%f,%f,%f,%f,%d)\n",x,y,z,t,w);
 	return x * y + z * t + w;
 }
 
 int ffi_test_9(int a, int b, int c, int d, int e, int f, int g)
 {
-	printf("ffi_test_9(%d,%d,%d,%d,%d,%d,%d)\n",a,b,c,d,e,f,g);
 	return a + b + c + d + e + f + g;
 }
 
 int ffi_test_10(int a, int b, double c, int d, float e, int f, int g, int h)
 {
-	printf("ffi_test_10(%d,%d,%f,%d,%f,%d,%d,%d)\n",a,b,c,d,e,f,g,h);
 	return a - b - c - d - e - f - g - h;
 }
 
 int ffi_test_11(int a, struct foo b, int c)
 {
-	printf("ffi_test_11(%d,{%d,%d},%d)\n",a,b.x,b.y,c);
 	return a * b.x + c * b.y;
 }
 
 int ffi_test_12(int a, int b, struct rect c, int d, int e, int f)
 {
-	printf("ffi_test_12(%d,%d,{%f,%f,%f,%f},%d,%d,%d)\n",a,b,c.x,c.y,c.w,c.h,d,e,f);
 	return a + b + c.x + c.y + c.w + c.h + d + e + f;
 }
 
 int ffi_test_13(int a, int b, int c, int d, int e, int f, int g, int h, int i, int j, int k)
 {
-	printf("ffi_test_13(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)\n",a,b,c,d,e,f,g,h,i,j,k);
 	return a + b + c + d + e + f + g + h + i + j + k;
 }
 
 struct foo ffi_test_14(int x, int y)
 {
 	struct foo r;
-	printf("ffi_test_14(%d,%d)\n",x,y);
 	r.x = x; r.y = y;
 	return r;
 }
@@ -119,7 +104,6 @@ struct tiny ffi_test_17(int x)
 
 F_STDCALL int ffi_test_18(int x, int y, int z, int t)
 {
-	printf("ffi_test_18(%d,%d,%d,%d)\n",x,y,z,t);
 	return x + y + z * t;
 }
 
@@ -134,8 +118,6 @@ void ffi_test_20(double x1, double x2, double x3,
 	double y1, double y2, double y3,
 	double z1, double z2, double z3)
 {
-	printf("ffi_test_20(%f,%f,%f,%f,%f,%f,%f,%f,%f)\n",
-		x1, x2, x3, y1, y2, y3, z1, z2, z3);
 }
 
 long long ffi_test_21(long x, long y)
@@ -145,7 +127,6 @@ long long ffi_test_21(long x, long y)
 
 long ffi_test_22(long x, long long y, long long z)
 {
-	printf("ffi_test_22(%ld,%lld,%lld)\n",x,y,z);
 	return x + y / z;
 }
 
@@ -226,13 +207,11 @@ struct test_struct_7 ffi_test_30(void)
 
 int ffi_test_31(int x0, int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8, int x9, int x10, int x11, int x12, int x13, int x14, int x15, int x16, int x17, int x18, int x19, int x20, int x21, int x22, int x23, int x24, int x25, int x26, int x27, int x28, int x29, int x30, int x31, int x32, int x33, int x34, int x35, int x36, int x37, int x38, int x39, int x40, int x41)
 {
-	printf("ffi_test_31(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)\n",x0,x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12,x13,x14,x15,x16,x17,x18,x19,x20,x21,x22,x23,x24,x25,x26,x27,x28,x29,x30,x31,x32,x33,x34,x35,x36,x37,x38,x39,x40,x41);
 	return x0 + x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8 + x9 + x10 + x11 + x12 + x13 + x14 + x15 + x16 + x17 + x18 + x19 + x20 + x21 + x22 + x23 + x24 + x25 + x26 + x27 + x28 + x29 + x30 + x31 + x32 + x33 + x34 + x35 + x36 + x37 + x38 + x39 + x40 + x41;
 }
 
 float ffi_test_31_point_5(float x0, float x1, float x2, float x3, float x4, float x5, float x6, float x7, float x8, float x9, float x10, float x11, float x12, float x13, float x14, float x15, float x16, float x17, float x18, float x19, float x20, float x21, float x22, float x23, float x24, float x25, float x26, float x27, float x28, float x29, float x30, float x31, float x32, float x33, float x34, float x35, float x36, float x37, float x38, float x39, float x40, float x41)
 {
-	printf("ffi_test_31_point_5(%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f)\n",x0,x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12,x13,x14,x15,x16,x17,x18,x19,x20,x21,x22,x23,x24,x25,x26,x27,x28,x29,x30,x31,x32,x33,x34,x35,x36,x37,x38,x39,x40,x41);
 	return x0 + x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8 + x9 + x10 + x11 + x12 + x13 + x14 + x15 + x16 + x17 + x18 + x19 + x20 + x21 + x22 + x23 + x24 + x25 + x26 + x27 + x28 + x29 + x30 + x31 + x32 + x33 + x34 + x35 + x36 + x37 + x38 + x39 + x40 + x41;
 }
 
@@ -265,17 +244,12 @@ static int global_var;
 
 void ffi_test_36_point_5(void)
 {
-	printf("ffi_test_36_point_5\n");
 	global_var = 0;
 }
 
 int ffi_test_37(int (*f)(int, int, int))
 {
-	printf("ffi_test_37\n");
-	printf("global_var is %d\n",global_var);
 	global_var = f(global_var,global_var * 2,global_var * 3);
-	printf("global_var is %d\n",global_var);
-	fflush(stdout);
 	return global_var;
 }
 
@@ -286,7 +260,6 @@ unsigned long long ffi_test_38(unsigned long long x, unsigned long long y)
 
 int ffi_test_39(long a, long b, struct test_struct_13 s)
 {
-	printf("ffi_test_39(%ld,%ld,%f,%f,%f,%f,%f,%f)\n",a,b,s.x1,s.x2,s.x3,s.x4,s.x5,s.x6);
 	if(a != b) abort();
 	return s.x1 + s.x2 + s.x3 + s.x4 + s.x5 + s.x6;
 }
@@ -296,7 +269,6 @@ struct test_struct_14 ffi_test_40(double x1, double x2)
 	struct test_struct_14 retval;
 	retval.x1 = x1;
 	retval.x2 = x2;
-	printf("ffi_test_40(%f,%f)\n",x1,x2);
 	return retval;
 }
 
@@ -305,7 +277,6 @@ struct test_struct_12 ffi_test_41(int a, double x)
 	struct test_struct_12 retval;
 	retval.a = a;
 	retval.x = x;
-	printf("ffi_test_41(%d,%f)\n",a,x);
 	return retval;
 }
 
@@ -314,7 +285,6 @@ struct test_struct_15 ffi_test_42(float x, float y)
 	struct test_struct_15 retval;
 	retval.x = x;
 	retval.y = y;
-	printf("ffi_test_42(%f,%f)\n",x,y);
 	return retval;
 }
 
@@ -323,7 +293,6 @@ struct test_struct_16 ffi_test_43(float x, int a)
 	struct test_struct_16 retval;
 	retval.x = x;
 	retval.a = a;
-	printf("ffi_test_43(%f,%d)\n",x,a);
 	return retval;
 }
 
@@ -332,6 +301,5 @@ struct test_struct_14 ffi_test_44(void)
 	struct test_struct_14 retval;
 	retval.x1 = 1.0;
 	retval.x2 = 2.0;
-	//printf("ffi_test_44()\n");
 	return retval;
 }
diff --git a/vm/image.c b/vm/image.c
index 289c1e94c8..0e6591f8d8 100755
--- a/vm/image.c
+++ b/vm/image.c
@@ -28,12 +28,15 @@ INLINE void load_data_heap(FILE *file, F_HEADER *h, F_PARAMETERS *p)
 
 	F_ZONE *tenured = &data_heap->generations[TENURED];
 
-	long int bytes_read = fread((void*)tenured->start,1,h->data_size,file);
+	F_FIXNUM bytes_read = fread((void*)tenured->start,1,h->data_size,file);
 
 	if(bytes_read != h->data_size)
 	{
-		fprintf(stderr,"truncated image: %ld bytes read, %ld bytes expected\n",
-			bytes_read,h->data_size);
+		print_string("truncated image: ");
+		print_fixnum(bytes_read);
+		print_string(" bytes read, ");
+		print_cell(h->data_size);
+		print_string(" bytes expected\n");
 		fatal_error("load_data_heap failed",0);
 	}
 
@@ -52,11 +55,14 @@ INLINE void load_code_heap(FILE *file, F_HEADER *h, F_PARAMETERS *p)
 
 	if(h->code_size != 0)
 	{
-		long int bytes_read = fread(first_block(&code_heap),1,h->code_size,file);
+		F_FIXNUM bytes_read = fread(first_block(&code_heap),1,h->code_size,file);
 		if(bytes_read != h->code_size)
 		{
-			fprintf(stderr,"truncated image: %ld bytes read, %ld bytes expected\n",
-				bytes_read,h->code_size);
+			print_string("truncated image: ");
+			print_fixnum(bytes_read);
+			print_string(" bytes read, ");
+			print_cell(h->code_size);
+			print_string(" bytes expected\n");
 			fatal_error("load_code_heap failed",0);
 		}
 	}
@@ -72,8 +78,8 @@ void load_image(F_PARAMETERS *p)
 	FILE *file = OPEN_READ(p->image);
 	if(file == NULL)
 	{
-		FPRINTF(stderr,"Cannot open image file: %s\n",p->image);
-		fprintf(stderr,"%s\n",strerror(errno));
+		print_string("Cannot open image file: "); print_native_string(p->image); nl();
+		print_string(strerror(errno)); nl();
 		exit(1);
 	}
 
@@ -106,12 +112,11 @@ bool save_image(const F_CHAR *filename)
 	FILE* file;
 	F_HEADER h;
 
-	FPRINTF(stderr,"*** Saving %s...\n",filename);
-
 	file = OPEN_WRITE(filename);
 	if(file == NULL)
 	{
-		fprintf(stderr,"Cannot open image file: %s\n",strerror(errno));
+		print_string("Cannot open image file: "); print_native_string(filename); nl();
+		print_string(strerror(errno)); nl();
 		return false;
 	}
 
@@ -142,19 +147,19 @@ bool save_image(const F_CHAR *filename)
 
 	if(fwrite((void*)tenured->start,h.data_size,1,file) != 1)
 	{
-		fprintf(stderr,"Save data heap failed: %s\n",strerror(errno));
+		print_string("Save data heap failed: "); print_string(strerror(errno)); nl();
 		return false;
 	}
 
 	if(fwrite(first_block(&code_heap),h.code_size,1,file) != 1)
 	{
-		fprintf(stderr,"Save code heap failed: %s\n",strerror(errno));
+		print_string("Save code heap failed: "); print_string(strerror(errno)); nl();
 		return false;
 	}
 
 	if(fclose(file))
 	{
-		fprintf(stderr,"Failed to close image file: %s\n",strerror(errno));
+		print_string("Failed to close image file: "); print_string(strerror(errno)); nl();
 		return false;
 	}
 
diff --git a/vm/main-windows-nt.c b/vm/main-windows-nt.c
index 743831958b..95fd68549d 100644
--- a/vm/main-windows-nt.c
+++ b/vm/main-windows-nt.c
@@ -13,9 +13,9 @@ int WINAPI WinMain(
 	int nArgs;
 
 	szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
-	if( NULL == szArglist )
+	if(NULL == szArglist)
 	{
-		wprintf(L"CommandLineToArgvW failed\n");
+		print_string("CommandLineToArgvW failed\n");
 		return 1;
 	}
 
diff --git a/vm/os-unix.h b/vm/os-unix.h
index 6db03148cd..2c5cc20e8d 100755
--- a/vm/os-unix.h
+++ b/vm/os-unix.h
@@ -23,9 +23,21 @@ typedef char F_SYMBOL;
 #define STRNCMP strncmp
 #define STRDUP strdup
 
+#define CELL_FORMAT "%lu"
+#define CELL_HEX_FORMAT "%lx"
+
+#ifdef FACTOR_64
+	#define CELL_HEX_PAD_FORMAT "%016lx"
+#else
+	#define CELL_HEX_PAD_FORMAT "%08lx"
+#endif
+
+#define FIXNUM_FORMAT "%ld"
+
 #define OPEN_READ(path) fopen(path,"rb")
 #define OPEN_WRITE(path) fopen(path,"wb")
-#define FPRINTF(stream,format,arg) fprintf(stream,format,arg)
+
+#define print_native_string(string) print_string(string)
 
 void start_thread(void *(*start_routine)(void *));
 
diff --git a/vm/os-windows.c b/vm/os-windows.c
index fc289c288e..7d486bb86b 100755
--- a/vm/os-windows.c
+++ b/vm/os-windows.c
@@ -92,7 +92,6 @@ void primitive_existsp(void)
 	BY_HANDLE_FILE_INFORMATION bhfi;
 
 	F_CHAR *path = unbox_u16_string();
-	//wprintf(L"path = %s\n", path);
 	HANDLE h = CreateFileW(path,
 			GENERIC_READ,
 			FILE_SHARE_READ,
diff --git a/vm/os-windows.h b/vm/os-windows.h
index f292c407e5..2a56b03ef6 100755
--- a/vm/os-windows.h
+++ b/vm/os-windows.h
@@ -20,10 +20,21 @@ typedef wchar_t F_CHAR;
 #define STRNCMP wcsncmp
 #define STRDUP _wcsdup
 
+#define CELL_FORMAT "%Iu"
+#define CELL_HEX_FORMAT "%Ix"
+
+#ifdef FACTOR_64
+	#define CELL_HEX_PAD_FORMAT "%016Ix"
+#else
+	#define CELL_HEX_PAD_FORMAT "%08Ix"
+#endif
+
+#define FIXNUM_FORMAT "%Id"
+
 #define OPEN_READ(path) _wfopen(path,L"rb")
 #define OPEN_WRITE(path) _wfopen(path,L"wb")
-#define FPRINTF(stream,format,arg) fwprintf(stream,L##format,arg)
 
+#define print_native_string(string) wprintf(L"%s",arg)
 
 /* Difference between Jan 1 00:00:00 1601 and Jan 1 00:00:00 1970 */
 #define EPOCH_OFFSET 0x019db1ded53e8000LL
diff --git a/vm/utilities.c b/vm/utilities.c
index ebc8e87977..35fc7ad087 100755
--- a/vm/utilities.c
+++ b/vm/utilities.c
@@ -14,3 +14,42 @@ F_CHAR *safe_strdup(const F_CHAR *str)
 	if(!ptr) fatal_error("Out of memory in safe_strdup", 0);
 	return ptr;
 }
+
+/* We don't use printf directly, because format directives are not portable.
+Instead we define the common cases here. */
+void nl(void)
+{
+	fputs("\n",stdout);
+}
+
+void print_string(const char *str)
+{
+	fputs(str,stdout);
+}
+
+void print_cell(CELL x)
+{
+	printf(CELL_FORMAT,x);
+}
+
+void print_cell_hex(CELL x)
+{
+	printf(CELL_HEX_FORMAT,x);
+}
+
+void print_cell_hex_pad(CELL x)
+{
+	printf(CELL_HEX_PAD_FORMAT,x);
+}
+
+void print_fixnum(F_FIXNUM x)
+{
+	printf(CELL_FORMAT,x);
+}
+
+CELL read_cell_hex(void)
+{
+	CELL cell;
+	scanf(CELL_HEX_FORMAT,&cell);
+	return cell;
+};
diff --git a/vm/utilities.h b/vm/utilities.h
index 89a8ba57a3..d2b3223ce4 100755
--- a/vm/utilities.h
+++ b/vm/utilities.h
@@ -1,2 +1,10 @@
 void *safe_malloc(size_t size);
 F_CHAR *safe_strdup(const F_CHAR *str);
+
+void nl(void);
+void print_string(const char *str);
+void print_cell(CELL x);
+void print_cell_hex(CELL x);
+void print_cell_hex_pad(CELL x);
+void print_fixnum(F_FIXNUM x);
+CELL read_cell_hex(void);

From 2ffecd3acc9d00dab23657c3aa267489ba12f12c Mon Sep 17 00:00:00 2001
From: "U-SLAVA-DFB8FF805\\Slava" <Slava@slava-dfb8ff805.(none)>
Date: Tue, 18 Nov 2008 18:51:52 -0600
Subject: [PATCH 15/38] Fix VM compile on 32-bit Windows

---
 vm/main-windows-nt.c |  2 +-
 vm/os-windows.h      | 13 +++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)
 mode change 100644 => 100755 vm/main-windows-nt.c

diff --git a/vm/main-windows-nt.c b/vm/main-windows-nt.c
old mode 100644
new mode 100755
index 95fd68549d..ef66651846
--- a/vm/main-windows-nt.c
+++ b/vm/main-windows-nt.c
@@ -15,7 +15,7 @@ int WINAPI WinMain(
 	szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
 	if(NULL == szArglist)
 	{
-		print_string("CommandLineToArgvW failed\n");
+		puts("CommandLineToArgvW failed");
 		return 1;
 	}
 
diff --git a/vm/os-windows.h b/vm/os-windows.h
index 2a56b03ef6..8d0f15648a 100755
--- a/vm/os-windows.h
+++ b/vm/os-windows.h
@@ -20,13 +20,14 @@ typedef wchar_t F_CHAR;
 #define STRNCMP wcsncmp
 #define STRDUP _wcsdup
 
-#define CELL_FORMAT "%Iu"
-#define CELL_HEX_FORMAT "%Ix"
-
-#ifdef FACTOR_64
+#ifdef WIN64
+        #define CELL_FORMAT "%Iu"
+        #define CELL_HEX_FORMAT "%Ix"
 	#define CELL_HEX_PAD_FORMAT "%016Ix"
 #else
-	#define CELL_HEX_PAD_FORMAT "%08Ix"
+        #define CELL_FORMAT "%lu"
+        #define CELL_HEX_FORMAT "%lx"
+	#define CELL_HEX_PAD_FORMAT "%08lx"
 #endif
 
 #define FIXNUM_FORMAT "%Id"
@@ -34,7 +35,7 @@ typedef wchar_t F_CHAR;
 #define OPEN_READ(path) _wfopen(path,L"rb")
 #define OPEN_WRITE(path) _wfopen(path,L"wb")
 
-#define print_native_string(string) wprintf(L"%s",arg)
+#define print_native_string(string) wprintf(L"%s",string)
 
 /* Difference between Jan 1 00:00:00 1601 and Jan 1 00:00:00 1970 */
 #define EPOCH_OFFSET 0x019db1ded53e8000LL

From dad3a5ead1db0e54a2d647c507cb9c6552b70a2d Mon Sep 17 00:00:00 2001
From: "Jose A. Ortega Ruiz" <jao@gnu.org>
Date: Wed, 19 Nov 2008 02:00:00 +0100
Subject: [PATCH 16/38] Emacs factor-mode: correct indentation for field
 setters after constructors.

---
 misc/factor.el | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/misc/factor.el b/misc/factor.el
index c18a3102e7..f75cb7f359 100644
--- a/misc/factor.el
+++ b/misc/factor.el
@@ -281,10 +281,27 @@ value from the existing code in the buffer."
 (defsubst factor--at-begin-of-def ()
   (looking-at "\\([^ ]\\|^\\)+:"))
 
+(defsubst factor--looking-at-emptiness ()
+  (looking-at "^[ \t]*$"))
+
 (defun factor--at-end-of-def ()
   (or (looking-at ".*;[ \t]*$")
       (looking-at factor--regex-single-liner)))
 
+(defun factor--at-setter-line ()
+  (save-excursion
+    (beginning-of-line)
+    (if (not (factor--looking-at-emptiness))
+        (re-search-forward factor--regex-setter (line-end-position) t)
+      (forward-line -1)
+      (or (factor--at-constructor-line)
+          (factor--at-setter-line)))))
+
+(defun factor--at-constructor-line ()
+  (save-excursion
+    (beginning-of-line)
+    (re-search-forward factor--regex-constructor (line-end-position) t)))
+
 (defun factor--indent-in-brackets ()
   (save-excursion
     (beginning-of-line)
@@ -303,14 +320,28 @@ value from the existing code in the buffer."
     (beginning-of-line)
     (when (factor--at-begin-of-def) 0)))
 
+(defun factor--indent-setter-line ()
+  (when (factor--at-setter-line)
+    (save-excursion
+      (beginning-of-line)
+      (let ((indent (when (factor--at-constructor-line) (current-indentation))))
+        (while (not (or indent
+                        (bobp)
+                        (factor--at-begin-of-def)
+                        (factor--at-end-of-def)))
+          (if (factor--at-constructor-line)
+              (setq indent (+ (current-indentation) factor-indent-width))
+            (forward-line -1)))
+        indent))))
+
 (defun factor--indent-continuation ()
   (save-excursion
     (forward-line -1)
     (beginning-of-line)
     (if (bobp) 0
-      (if (looking-at "^[ \t]*$")
+      (if (factor--looking-at-emptiness)
           (factor--indent-continuation)
-        (if (factor--at-end-of-def)
+        (if (or (factor--at-end-of-def) (factor--at-setter-line))
             (- (current-indentation) factor-indent-width)
           (if (factor--at-begin-of-def)
               (+ (current-indentation) factor-indent-width)
@@ -321,6 +352,7 @@ value from the existing code in the buffer."
   (or (and (bobp) 0)
       (factor--indent-definition)
       (factor--indent-in-brackets)
+      (factor--indent-setter-line)
       (factor--indent-continuation)
       0))
 

From 13509fcabe78f3a16724aeff9021be878521a2ba Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 20:35:41 -0600
Subject: [PATCH 17/38] Fix memory corruption in cap

---
 extra/cap/cap.factor | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extra/cap/cap.factor b/extra/cap/cap.factor
index ea5462acf2..3bd1a5f174 100644
--- a/extra/cap/cap.factor
+++ b/extra/cap/cap.factor
@@ -6,7 +6,7 @@ models opengl.framebuffers ui.gadgets.worlds ui.gadgets fry alien.syntax ;
 IN: cap
 
 : screenshot-array ( world -- byte-array )
-    dim>> product 3 * <byte-array> ;
+    dim>> [ first 3 * 4 align ] [ second ] bi * <byte-array> ;
 
 : gl-screenshot ( gadget -- byte-array )
     [

From db42113bb9d8a3fb71e3640c2f9c854b2e1ac5ef Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 20:35:50 -0600
Subject: [PATCH 18/38] Fix ui.render.test

---
 extra/ui/render/test/reference.bmp | Bin 73554 -> 73654 bytes
 extra/ui/render/test/test.factor   |  36 ++++++++++++++++-------------
 2 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/extra/ui/render/test/reference.bmp b/extra/ui/render/test/reference.bmp
index 0740fcc8173f0a6fc4fcfa76802b5146e5a7c59b..3ba20c404340ea581d6be7d0dd0c81ef97940cec 100644
GIT binary patch
literal 73654
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zY;NU!xk-3>>R1h~H9SZ0jqln?sQnt>sl<kO{kCq;BiGU1MLzMkC8+c=Z?=%@TVB@$
zEEdnb*)ygNwuPJLZ}qQp@$J22Q(iezeAn<w`<1?z<(Sv5eEiaCdhm_!M#%BE`1WEF
z9G8~eZWgwX$1S|$OpC>WvdE70)FHJu=6uGj{&g<*Z||j)^2(9&`=o|f+As6{z;t_P
zSvKz)pLra<3*?Q~YkW6?*IKO88rS}`JF{B<cVB{9L*xE^&7s-7z<0y9E?_;>4B+>P
zS9pq&-zT-F+xD}4H+F9eSl6=d$2Y!f525x0-{rh^ldvvNPtUImJ8^2@`=IZ%mTb2P
zthS2S(#q<N_2k*Tdwd`9-J9~+#uvk>b?h-HGJNBE5T)ug#dp>DUz)RTHfI9I?nLLD
K<&5;%!=}F=HK2U}

literal 73554
zcmeIwu?Ye}7=+RPx-bw-t-u1zO{~HGGvjlWD?&cr!Y&*a&CI($o|kRD=eF*3-S@h$
zb+<XKcjkQj|9u?K?r5Ofz;vTYrh%Pr2+9rcU0zo<z8NStz;}6F+4yFl+yLL@b!Fq5
zfpP<Um)DhzZwAT@@LgV4Hoh4sH^6s!UD^0%pxgl8<#lD_n}Koze3#dijc*3Z4e(uF
zS2n&GC^x`&d0pA~W}w^v-{o~><C}qU1ALd)m5px($_?;cURO5087McvcX?ge_-3Ho
z0N>?xW#gNHaszyq*OiTL2FeZaU0zo<z8NStz;}6F+4yFl+yLL@b!Fq5fpP<Um)Dhz
zZwAT@@LgV4Hoh4sH^6s!UD^0%pxgl8<#lD_n}Koze3#dijc*3Z4e(uFS2n&GC^x`&
zd0pA~W}w^v-{o~><C}qU1ALd)m5px($_?;cURO5087McvcX?ge_-3Ho0N>?xW#gNH
zaszyq*OiTL2FeZaU0zo<z8NStz;}6F+4yFl+yLL@b!Fq5fpP<Um)DhzZwAT@@LgV4
zHoh4sH^6s!UD^0%pxgl8<#lD_n}Koze3#dijc*3Z4e(uFS2n&GC^x`&d0pA~W}w^v
z-{o~><C}qU1ALd)m5px($_?;cURO5087McvcX?ge_-3Ho0N>?xW#gNHaszyq*OiTL
O2FeZaU0(OkvwZ-#zpe-X

diff --git a/extra/ui/render/test/test.factor b/extra/ui/render/test/test.factor
index bf7b7b4556..484d255b72 100755
--- a/extra/ui/render/test/test.factor
+++ b/extra/ui/render/test/test.factor
@@ -17,8 +17,6 @@ M: line-test draw-interior
         line-test >>interior
         { 1 10 } >>dim ;
 
-TUPLE: ui-render-test < pack { first-time? initial: t } ;
-
 : message-window ( text -- )
     <label> "Message" open-window ;
 
@@ -26,24 +24,30 @@ TUPLE: ui-render-test < pack { first-time? initial: t } ;
     #! On Windows, white is { 253 253 253 } ?
     [ dup 253 = [ 2 + ] when ] map ;
 
-: check-rendering ( gadget -- )
-    gl-screenshot twiddle
-    "resource:extra/ui/render/test/reference.bmp" load-bitmap array>>
-    = "perfect" "needs work" ? "Your UI rendering is " prepend
-    message-window ;
+SYMBOL: render-output
 
-M: ui-render-test draw-gadget*
-    [ call-next-method ] [
-        dup first-time?>> [
-            dup check-rendering
-            f >>first-time?
-        ] when
-        drop
+: check-rendering ( gadget -- )
+    screenshot [ twiddle ] change-array
+    [ render-output set-global ]
+    [
+        "resource:extra/ui/render/test/reference.bmp" load-bitmap
+        [ array>> ] bi@ = "perfect" "needs work" ?
+        "Your UI rendering is " prepend
+        message-window
     ] bi ;
 
+TUPLE: take-screenshot { first-time? initial: t } ;
+
+M: take-screenshot draw-boundary
+    dup first-time?>> [
+        over check-rendering
+        f >>first-time?
+    ] when
+    2drop ;
+
 : <ui-render-test> ( -- gadget )
-    \ ui-render-test new-gadget
-        { 1 0 } >>orientation
+    <shelf>
+        take-screenshot new >>boundary
         <gadget>
             black <solid> >>interior
             { 98 98 } >>dim

From bfc44e68cde0f701abb7f5358c322865d64b477c Mon Sep 17 00:00:00 2001
From: "U-SLAVA-DFB8FF805\\Slava" <Slava@slava-dfb8ff805.(none)>
Date: Tue, 18 Nov 2008 20:51:45 -0600
Subject: [PATCH 19/38] Another render test fix; more fuzz

---
 extra/ui/render/test/test.factor | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/extra/ui/render/test/test.factor b/extra/ui/render/test/test.factor
index 484d255b72..0493b83fd3 100755
--- a/extra/ui/render/test/test.factor
+++ b/extra/ui/render/test/test.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2008 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: accessors colors arrays kernel sequences math byte-arrays
-namespaces cap graphics.bitmap
+namespaces grouping fry cap graphics.bitmap
 ui.gadgets ui.gadgets.packs ui.gadgets.borders ui.gadgets.grids
 ui.gadgets.grid-lines ui.gadgets.labels ui.gadgets.buttons
 ui.render ui opengl opengl.gl ;
@@ -20,18 +20,26 @@ M: line-test draw-interior
 : message-window ( text -- )
     <label> "Message" open-window ;
 
-: twiddle ( bytes -- bytes )
-    #! On Windows, white is { 253 253 253 } ?
-    [ dup 253 = [ 2 + ] when ] map ;
-
 SYMBOL: render-output
 
+: twiddle ( bytes -- bytes )
+    #! On Windows, white is { 253 253 253 } ?
+    [ 10 /i ] map ;
+
+: stride ( bitmap -- n ) width>> 3 * ;
+
+: bitmap= ( bitmap1 bitmap2 -- ? )
+    [
+        [ [ array>> ] [ stride 4 align ] bi group ] [ stride ] bi
+        '[ _ head twiddle ] map
+    ] bi@ = ;
+
 : check-rendering ( gadget -- )
-    screenshot [ twiddle ] change-array
+    screenshot
     [ render-output set-global ]
     [
         "resource:extra/ui/render/test/reference.bmp" load-bitmap
-        [ array>> ] bi@ = "perfect" "needs work" ?
+        bitmap= "perfect" "needs work" ?
         "Your UI rendering is " prepend
         message-window
     ] bi ;

From ebd95130206aa99bac457c7c6faa22bde1929813 Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 21:57:50 -0600
Subject: [PATCH 20/38] Fix stray pixel on Linux

---
 basis/ui/gadgets/buttons/buttons.factor | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/basis/ui/gadgets/buttons/buttons.factor b/basis/ui/gadgets/buttons/buttons.factor
index c975e64b12..d74284cbd6 100644
--- a/basis/ui/gadgets/buttons/buttons.factor
+++ b/basis/ui/gadgets/buttons/buttons.factor
@@ -6,7 +6,6 @@ classes.tuple opengl opengl.gl math.vectors ui.commands ui.gadgets
 ui.gadgets.borders ui.gadgets.labels ui.gadgets.theme
 ui.gadgets.tracks ui.gadgets.packs ui.gadgets.worlds ui.gestures
 ui.render math.geometry.rect locals alien.c-types ;
-
 IN: ui.gadgets.buttons
 
 TUPLE: button < border pressed? selected? quot ;
@@ -111,10 +110,10 @@ TUPLE: checkmark-paint < caching-pen color last-vertices ;
 
 : checkmark-points ( dim -- points )
     {
-        [ { 0 0 } v* ]
-        [ { 1 1 } v* ]
-        [ { 0 1 } v* ]
-        [ { 1 0 } v* ]
+        [ { 0 0 } v* { 0.5 0.5 } v+ ]
+        [ { 1 1 } v* { 0.5 0.5 } v+ ]
+        [ { 1 0 } v* { -0.3 0.5 } v+ ]
+        [ { 0 1 } v* { -0.3 0.5 } v+ ]
     } cleave 4array ;
 
 : checkmark-vertices ( dim -- vertices )

From 7bf450e0f1fd630a1dc6e36b47a2eb17b9753bef Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 21:58:30 -0600
Subject: [PATCH 21/38] Fix typo

---
 extra/ui/render/test/test.factor | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extra/ui/render/test/test.factor b/extra/ui/render/test/test.factor
index 484d255b72..e13b829b75 100755
--- a/extra/ui/render/test/test.factor
+++ b/extra/ui/render/test/test.factor
@@ -31,8 +31,8 @@ SYMBOL: render-output
     [ render-output set-global ]
     [
         "resource:extra/ui/render/test/reference.bmp" load-bitmap
-        [ array>> ] bi@ = "perfect" "needs work" ?
-        "Your UI rendering is " prepend
+        [ array>> ] bi@ = "is perfect" "needs work" ?
+        "Your UI rendering " prepend
         message-window
     ] bi ;
 

From d62a6c4b094c144e250e5bacb79e589854eb9875 Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Tue, 18 Nov 2008 22:08:02 -0600
Subject: [PATCH 22/38] Minor core cleanup

---
 core/kernel/kernel-docs.factor |  6 +++---
 core/kernel/kernel.factor      | 12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/core/kernel/kernel-docs.factor b/core/kernel/kernel-docs.factor
index 289d39868c..40094d5589 100644
--- a/core/kernel/kernel-docs.factor
+++ b/core/kernel/kernel-docs.factor
@@ -606,7 +606,7 @@ HELP: 3compose
 } ;
 
 HELP: dip
-{ $values { "obj" object } { "quot" quotation } }
+{ $values { "x" object } { "quot" quotation } }
 { $description "Calls " { $snippet "quot" } " with " { $snippet "obj" } " hidden on the retain stack." }
 { $notes "The following are equivalent:"
     { $code ">r foo bar r>" }
@@ -614,7 +614,7 @@ HELP: dip
 } ;
 
 HELP: 2dip
-{ $values { "obj1" object } { "obj2" object } { "quot" quotation } }
+{ $values { "x" object } { "y" object } { "quot" quotation } }
 { $description "Calls " { $snippet "quot" } " with " { $snippet "obj1" } " and " { $snippet "obj2" } " hidden on the retain stack." }
 { $notes "The following are equivalent:"
     { $code ">r >r foo bar r> r>" }
@@ -622,7 +622,7 @@ HELP: 2dip
 } ;
 
 HELP: 3dip
-{ $values { "obj1" object } { "obj2" object } { "obj3" object } { "quot" quotation } }
+{ $values { "x" object } { "y" object } { "z" object } { "quot" quotation } }
 { $description "Calls " { $snippet "quot" } " with " { $snippet "obj1" } ", " { $snippet "obj2" } " and " { $snippet "obj3" } " hidden on the retain stack." }
 { $notes "The following are equivalent:"
     { $code ">r >r >r foo bar r> r> r>" }
diff --git a/core/kernel/kernel.factor b/core/kernel/kernel.factor
index 62e37ef301..18bead109d 100644
--- a/core/kernel/kernel.factor
+++ b/core/kernel/kernel.factor
@@ -55,18 +55,18 @@ DEFER: if
 
 : 3slip ( quot x y z -- x y z ) >r >r >r call r> r> r> ; inline
 
-: dip ( obj quot -- obj ) swap slip ; inline
+: dip ( x quot -- x ) swap slip ; inline
 
-: 2dip ( obj1 obj2 quot -- obj1 obj2 ) -rot 2slip ; inline
+: 2dip ( x y quot -- x y ) swap >r dip r> ; inline
 
-: 3dip ( obj1 obj2 obj3 quot -- obj1 obj2 obj3 ) -roll 3slip ; inline
+: 3dip ( x y z quot -- x y z ) swap >r 2dip r> ; inline
 
 ! Keepers
-: keep ( x quot -- x ) over slip ; inline
+: keep ( x quot -- x ) dupd dip ; inline
 
-: 2keep ( x y quot -- x y ) 2over 2slip ; inline
+: 2keep ( x y quot -- x y ) >r 2dup r> 2dip ; inline
 
-: 3keep ( x y z quot -- x y z ) >r 3dup r> -roll 3slip ; inline
+: 3keep ( x y z quot -- x y z ) >r 3dup r> 3dip ; inline
 
 ! Cleavers
 : bi ( x p q -- )

From bcd314aa465b96e2ed9e04af15ebbf2d387bf93e Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 22:54:22 -0600
Subject: [PATCH 23/38] less aggressive make clean

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 973ba1f3d4..7ef6be33da 100644
--- a/Makefile
+++ b/Makefile
@@ -161,7 +161,7 @@ factor: $(DLL_OBJS) $(EXE_OBJS)
 
 clean:
 	rm -f vm/*.o
-	rm -f factor*.dll libfactor*.*
+	rm -f factor*.dll libfactor{.a,.so}
 
 vm/resources.o:
 	$(WINDRES) vm/factor.rs vm/resources.o

From 020a866e426d6554225e54938170d79936518a49 Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Tue, 18 Nov 2008 23:56:51 -0600
Subject: [PATCH 24/38] disable regexp failing tests for now

---
 basis/regexp/regexp-tests.factor | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/basis/regexp/regexp-tests.factor b/basis/regexp/regexp-tests.factor
index 4878b67d0f..388a71e028 100644
--- a/basis/regexp/regexp-tests.factor
+++ b/basis/regexp/regexp-tests.factor
@@ -347,6 +347,8 @@ IN: regexp-tests
 
 [ { 23 24 } ] [ "aaaaaaaaaaaaaaaaaaaaaaab" "((a*)*b)*b" <regexp> first-match ] unit-test
 
-[ t ] [ "a:b" ".+:?" <regexp> matches? ] unit-test
+! Disable tests so builds will upload, for now...
 
-[ 1 ] [ "hello" ".+?" <regexp> match length ] unit-test
+! [ t ] [ "a:b" ".+:?" <regexp> matches? ] unit-test
+
+! [ 1 ] [ "hello" ".+?" <regexp> match length ] unit-test

From fb2523dc8187d0e8d13184d872bf350a39c110c8 Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Wed, 19 Nov 2008 01:57:44 -0600
Subject: [PATCH 25/38] Revert "disable regexp failing tests for now"

This reverts commit 020a866e426d6554225e54938170d79936518a49.
---
 basis/regexp/regexp-tests.factor | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/basis/regexp/regexp-tests.factor b/basis/regexp/regexp-tests.factor
index 388a71e028..4878b67d0f 100644
--- a/basis/regexp/regexp-tests.factor
+++ b/basis/regexp/regexp-tests.factor
@@ -347,8 +347,6 @@ IN: regexp-tests
 
 [ { 23 24 } ] [ "aaaaaaaaaaaaaaaaaaaaaaab" "((a*)*b)*b" <regexp> first-match ] unit-test
 
-! Disable tests so builds will upload, for now...
+[ t ] [ "a:b" ".+:?" <regexp> matches? ] unit-test
 
-! [ t ] [ "a:b" ".+:?" <regexp> matches? ] unit-test
-
-! [ 1 ] [ "hello" ".+?" <regexp> match length ] unit-test
+[ 1 ] [ "hello" ".+?" <regexp> match length ] unit-test

From 358f99d7dd8aa3adae2db7f6eb1bab0039ed5b9a Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Wed, 19 Nov 2008 01:58:22 -0600
Subject: [PATCH 26/38] Revert "less aggressive make clean"

This reverts commit bcd314aa465b96e2ed9e04af15ebbf2d387bf93e.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 7ef6be33da..973ba1f3d4 100644
--- a/Makefile
+++ b/Makefile
@@ -161,7 +161,7 @@ factor: $(DLL_OBJS) $(EXE_OBJS)
 
 clean:
 	rm -f vm/*.o
-	rm -f factor*.dll libfactor{.a,.so}
+	rm -f factor*.dll libfactor*.*
 
 vm/resources.o:
 	$(WINDRES) vm/factor.rs vm/resources.o

From 5df0a0073f74a02c90d22b69b0b2f1a624fcb13d Mon Sep 17 00:00:00 2001
From: "Jose A. Ortega Ruiz" <jao@gnu.org>
Date: Wed, 19 Nov 2008 10:37:54 +0100
Subject: [PATCH 27/38] Emacs factor-mode: small indentation fixes and
 cleanups.

---
 misc/factor.el | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

diff --git a/misc/factor.el b/misc/factor.el
index f75cb7f359..170da980be 100644
--- a/misc/factor.el
+++ b/misc/factor.el
@@ -265,7 +265,7 @@ value from the existing code in the buffer."
 (defsubst factor--ppss-brackets-start ()
   (nth 1 (syntax-ppss)))
 
-(defsubst factor--line-indent (pos)
+(defsubst factor--indentation-at (pos)
   (save-excursion (goto-char pos) (current-indentation)))
 
 (defconst factor--regex-closing-paren "[])}]")
@@ -276,7 +276,8 @@ value from the existing code in the buffer."
   (= (- (point) (line-beginning-position)) (current-indentation)))
 
 (defconst factor--regex-single-liner
-  (format "^%s" (regexp-opt '("DEFER:" "GENERIC:" "IN:" "PRIVATE>" "<PRIVATE" "USE:"))))
+  (format "^%s" (regexp-opt '("DEFER:" "GENERIC:" "IN:"
+                              "PRIVATE>" "<PRIVATE" "SYMBOL:" "USE:"))))
 
 (defsubst factor--at-begin-of-def ()
   (looking-at "\\([^ ]\\|^\\)+:"))
@@ -302,6 +303,11 @@ value from the existing code in the buffer."
     (beginning-of-line)
     (re-search-forward factor--regex-constructor (line-end-position) t)))
 
+(defsubst factor--increased-indentation (&optional i)
+  (+ (or i (current-indentation)) factor-indent-width))
+(defsubst factor--decreased-indentation (&optional i)
+  (- (or i (current-indentation)) factor-indent-width))
+
 (defun factor--indent-in-brackets ()
   (save-excursion
     (beginning-of-line)
@@ -312,8 +318,8 @@ value from the existing code in the buffer."
       (let ((op (factor--ppss-brackets-start)))
         (when (> (line-number-at-pos) (line-number-at-pos op))
           (if (factor--at-closing-paren-p)
-              (factor--line-indent op)
-            (+ (factor--line-indent op) factor-indent-width)))))))
+              (factor--indentation-at op)
+            (factor--increased-indentation (factor--indentation-at op))))))))
 
 (defun factor--indent-definition ()
   (save-excursion
@@ -323,29 +329,26 @@ value from the existing code in the buffer."
 (defun factor--indent-setter-line ()
   (when (factor--at-setter-line)
     (save-excursion
-      (beginning-of-line)
-      (let ((indent (when (factor--at-constructor-line) (current-indentation))))
+      (let ((indent (and (factor--at-constructor-line) (current-indentation))))
         (while (not (or indent
                         (bobp)
                         (factor--at-begin-of-def)
                         (factor--at-end-of-def)))
           (if (factor--at-constructor-line)
-              (setq indent (+ (current-indentation) factor-indent-width))
+              (setq indent (factor--increased-indentation))
             (forward-line -1)))
         indent))))
 
 (defun factor--indent-continuation ()
   (save-excursion
     (forward-line -1)
-    (beginning-of-line)
-    (if (bobp) 0
-      (if (factor--looking-at-emptiness)
-          (factor--indent-continuation)
-        (if (or (factor--at-end-of-def) (factor--at-setter-line))
-            (- (current-indentation) factor-indent-width)
-          (if (factor--at-begin-of-def)
-              (+ (current-indentation) factor-indent-width)
-            (current-indentation)))))))
+    (while (and (not (bobp)) (factor--looking-at-emptiness))
+      (forward-line -1))
+    (if (or (factor--at-end-of-def) (factor--at-setter-line))
+        (factor--decreased-indentation)
+      (if (factor--at-begin-of-def)
+          (factor--increased-indentation)
+        (current-indentation)))))
 
 (defun factor--calculate-indentation ()
   "Calculate Factor indentation for line at point."

From 12601b7eb03938bdb588dd2151e6b34240b7d81e Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Wed, 19 Nov 2008 13:02:33 -0600
Subject: [PATCH 28/38] Add failing unit test

---
 basis/locals/locals-tests.factor | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/basis/locals/locals-tests.factor b/basis/locals/locals-tests.factor
index ca6697be1c..04e077fc4f 100644
--- a/basis/locals/locals-tests.factor
+++ b/basis/locals/locals-tests.factor
@@ -388,6 +388,8 @@ M:: integer lambda-method-forget-test ( a -- b ) ;
 
 [ ] [ [ { integer lambda-method-forget-test } forget ] with-compilation-unit ] unit-test
 
+[ { [ 10 ] } ] [ 10 [| A | { [ A ] } ] call ] unit-test
+
 ! :: wlet-&&-test ( a -- ? )
 !     [wlet | is-integer? [ a integer? ]
 !             is-even? [ a even? ]

From 5bf4065314f7661fba3d0ca56e92b06f5dd99a7f Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Wed, 19 Nov 2008 14:28:26 -0600
Subject: [PATCH 29/38] better fix for deleting the factor library on make
 clean

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 973ba1f3d4..ffcbf6364c 100644
--- a/Makefile
+++ b/Makefile
@@ -161,7 +161,7 @@ factor: $(DLL_OBJS) $(EXE_OBJS)
 
 clean:
 	rm -f vm/*.o
-	rm -f factor*.dll libfactor*.*
+	rm -f factor*.dll libfactor.{a,so,dylib}
 
 vm/resources.o:
 	$(WINDRES) vm/factor.rs vm/resources.o

From cdf743666715a99546e44085429ab83fbaa1c2cd Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Wed, 19 Nov 2008 16:01:48 -0600
Subject: [PATCH 30/38] Add parallel-cleave, parallel-spread, parallel-napply
 combinators

---
 .../combinators/combinators-docs.factor       | 10 ++++-
 .../combinators/combinators-tests.factor      | 10 ++++-
 .../combinators/combinators.factor            | 40 +++++++++++++++----
 3 files changed, 49 insertions(+), 11 deletions(-)

diff --git a/basis/concurrency/combinators/combinators-docs.factor b/basis/concurrency/combinators/combinators-docs.factor
index cb07e5a8d6..c61967fc8a 100644
--- a/basis/concurrency/combinators/combinators-docs.factor
+++ b/basis/concurrency/combinators/combinators-docs.factor
@@ -27,11 +27,17 @@ HELP: parallel-filter
 { $errors "Throws an error if one of the iterations throws an error." } ;
 
 ARTICLE: "concurrency.combinators" "Concurrent combinators"
-"The " { $vocab-link "concurrency.combinators" } " vocabulary provides concurrent variants of " { $link each } ", " { $link map } " and " { $link filter } ":"
+"The " { $vocab-link "concurrency.combinators" } " vocabulary provides concurrent variants of various combinators."
+$nl
+"Concurrent sequence combinators:"
 { $subsection parallel-each }
 { $subsection 2parallel-each }
 { $subsection parallel-map }
 { $subsection 2parallel-map }
-{ $subsection parallel-filter } ;
+{ $subsection parallel-filter }
+"Concurrent cleave combinators:"
+{ $subsection parallel-cleave }
+{ $subsection parallel-spread }
+{ $subsection parallel-napply } ;
 
 ABOUT: "concurrency.combinators"
diff --git a/basis/concurrency/combinators/combinators-tests.factor b/basis/concurrency/combinators/combinators-tests.factor
index 562111242d..3a38daed86 100644
--- a/basis/concurrency/combinators/combinators-tests.factor
+++ b/basis/concurrency/combinators/combinators-tests.factor
@@ -1,6 +1,7 @@
 IN: concurrency.combinators.tests
 USING: concurrency.combinators tools.test random kernel math 
-concurrency.mailboxes threads sequences accessors arrays ;
+concurrency.mailboxes threads sequences accessors arrays
+math.parser ;
 
 [ [ drop ] parallel-each ] must-infer
 { 2 0 } [ [ 2drop ] 2parallel-each ] must-infer-as
@@ -45,3 +46,10 @@ concurrency.mailboxes threads sequences accessors arrays ;
 ] unit-test
 
 [ { f } [ "OOPS" throw ] parallel-each ] must-fail
+
+[ "1a" "4b" "3c" ] [
+    2
+    { [ 1- ] [ sq ] [ 1+ ] } parallel-cleave
+    [ number>string ] 3 parallel-napply
+    { [ "a" append ] [ "b" append ] [ "c" append ] } parallel-spread
+] unit-test
diff --git a/basis/concurrency/combinators/combinators.factor b/basis/concurrency/combinators/combinators.factor
index ab3ca7ed4a..4608faf79b 100644
--- a/basis/concurrency/combinators/combinators.factor
+++ b/basis/concurrency/combinators/combinators.factor
@@ -1,34 +1,58 @@
 ! Copyright (C) 2008 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: concurrency.futures concurrency.count-downs sequences
-kernel ;
+kernel macros fry combinators generalizations ;
 IN: concurrency.combinators
 
 <PRIVATE
+
 : (parallel-each) ( n quot -- )
-    >r <count-down> r> keep await ; inline
+    [ <count-down> ] dip keep await ; inline
+
 PRIVATE>
 
 : parallel-each ( seq quot -- )
     over length [
-        [ >r curry r> spawn-stage ] 2curry each
+        '[ _ curry _ spawn-stage ] each
     ] (parallel-each) ; inline
 
 : 2parallel-each ( seq1 seq2 quot -- )
     2over min-length [
-        [ >r 2curry r> spawn-stage ] 2curry 2each
+        '[ _ 2curry _ spawn-stage ] 2each
     ] (parallel-each) ; inline
 
 : parallel-filter ( seq quot -- newseq )
-    over >r pusher >r each r> r> like ; inline
+    over [ pusher [ each ] dip ] dip like ; inline
 
 <PRIVATE
+
+: [future] ( quot -- quot' ) '[ _ curry future ] ; inline
+
 : future-values dup [ ?future ] change-each ; inline
+
 PRIVATE>
 
 : parallel-map ( seq quot -- newseq )
-    [ curry future ] curry map future-values ;
-    inline
+    [future] map future-values ; inline
 
 : 2parallel-map ( seq1 seq2 quot -- newseq )
-    [ 2curry future ] curry 2map future-values ;
+    '[ _ 2curry future ] 2map future-values ;
+
+<PRIVATE
+
+: (parallel-spread) ( n -- spread-array )
+    [ ?future ] <repetition> ; inline
+
+: (parallel-cleave) ( quots -- quot-array spread-array )
+    [ [future] ] map dup length (parallel-spread) ; inline
+
+PRIVATE>
+
+MACRO: parallel-cleave ( quots -- )
+    (parallel-cleave) '[ _ cleave _ spread ] ;
+
+MACRO: parallel-spread ( quots -- )
+    (parallel-cleave) '[ _ spread _ spread ] ;
+
+MACRO: parallel-napply ( quot n -- )
+    [ [future] ] dip dup (parallel-spread) '[ _ _ napply _ spread ] ;

From 84d1a91966cc056cf279867b6cc0117c7ffcd291 Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Wed, 19 Nov 2008 16:02:43 -0600
Subject: [PATCH 31/38] limited-completions now gives you the most relevant
 completions if there are too many, instead of just giving back the empty list

---
 basis/tools/completion/completion.factor | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/basis/tools/completion/completion.factor b/basis/tools/completion/completion.factor
index 4bb6d6142f..2306ff53a8 100644
--- a/basis/tools/completion/completion.factor
+++ b/basis/tools/completion/completion.factor
@@ -72,7 +72,9 @@ IN: tools.completion
     ] if ;
 
 : string-completions ( short strs -- seq )
-    [ dup ] { } map>assoc completions ;
+    dup zip completions ;
 
 : limited-completions ( short candidates -- seq )
-    completions dup length 1000 > [ drop f ] when ;
+    [ completions ] [ drop ] 2bi
+    2dup [ length 50 > ] [ empty? ] bi* and
+    [ 2drop f ] [ drop 50 short head ] if ;

From 60855571162c8bbc407819587fb8c69771436e2e Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Wed, 19 Nov 2008 16:03:05 -0600
Subject: [PATCH 32/38] Parser now prints an IN:/USING: form if restarts were
 invoked; add more restarts for certain errors

---
 basis/prettyprint/prettyprint.factor | 18 ++++++++++-
 core/parser/parser.factor            | 48 ++++++++++++++++++++++------
 2 files changed, 55 insertions(+), 11 deletions(-)

diff --git a/basis/prettyprint/prettyprint.factor b/basis/prettyprint/prettyprint.factor
index 3befdaff2b..1ecca0ec19 100644
--- a/basis/prettyprint/prettyprint.factor
+++ b/basis/prettyprint/prettyprint.factor
@@ -7,7 +7,7 @@ prettyprint.config sorting splitting grouping math.parser vocabs
 definitions effects classes.builtin classes.tuple io.files
 classes continuations hashtables classes.mixin classes.union
 classes.intersection classes.predicate classes.singleton
-combinators quotations sets accessors colors ;
+combinators quotations sets accessors colors parser ;
 IN: prettyprint
 
 : make-pprint ( obj quot -- block in use )
@@ -48,6 +48,22 @@ IN: prettyprint
     dupd remove [ { "syntax" "scratchpad" } member? not ] filter
     use. in. ;
 
+: vocab-names ( words -- vocabs )
+    dictionary get
+    [ [ words>> eq? nip ] with assoc-find 2drop ] curry map sift ;
+
+: prelude. ( -- )
+    in get use get vocab-names vocabs. ;
+
+[
+    nl
+    "Restarts were invoked adding vocabularies to the search path." print
+    "To avoid doing this in the future, add the following USING:" print
+    "and IN: forms at the top of the source file:" print nl
+    prelude.
+    nl
+] print-use-hook set-global
+
 : with-use ( obj quot -- )
     make-pprint vocabs. do-pprint ; inline
 
diff --git a/core/parser/parser.factor b/core/parser/parser.factor
index ed8fc4510b..00d13e6e56 100644
--- a/core/parser/parser.factor
+++ b/core/parser/parser.factor
@@ -52,7 +52,12 @@ SYMBOL: in
 
 M: parsing-word stack-effect drop (( parsed -- parsed )) ;
 
-ERROR: no-current-vocab ;
+TUPLE: no-current-vocab ;
+
+: no-current-vocab ( -- vocab )
+    \ no-current-vocab boa
+    { { "Define words in scratchpad vocabulary" "scratchpad" } }
+    throw-restarts dup set-in ;
 
 : current-vocab ( -- str )
     in get [ no-current-vocab ] unless* ;
@@ -64,20 +69,31 @@ ERROR: no-current-vocab ;
 
 : CREATE-WORD ( -- word ) CREATE dup reset-generic ;
 
-: word-restarts ( possibilities -- restarts )
-    natural-sort [
+: word-restarts ( possibilities name -- restarts )
+    [
+        natural-sort
         [
-            "Use the " swap vocabulary>> " vocabulary" 3append
-        ] keep
-    ] { } map>assoc ;
+            [ "Use the " swap vocabulary>> " vocabulary" 3append ] keep
+        ] { } map>assoc
+    ]
+    [ "Defer word in current vocabulary" swap 2array ] bi*
+    suffix ;
 
 ERROR: no-word-error name ;
 
+SYMBOL: amended-use?
+
+: no-word-restarted ( restart-value -- word )
+    dup word?
+    [ amended-use? on dup vocabulary>> (use+) ]
+    [ create-in ]
+    if ;
+
 : no-word ( name -- newword )
     dup \ no-word-error boa
-    swap words-named [ forward-reference? not ] filter
+    swap [ words-named [ forward-reference? not ] filter ] keep
     word-restarts throw-restarts
-    dup vocabulary>> (use+) ;
+    no-word-restarted ;
 
 : check-forward ( str word -- word/f )
     dup forward-reference? [
@@ -127,7 +143,9 @@ ERROR: staging-violation word ;
 : parsed ( accum obj -- accum ) over push ;
 
 : (parse-lines) ( lexer -- quot )
-    [ f parse-until >quotation ] with-lexer ;
+    [
+        f parse-until >quotation
+    ] with-lexer ;
 
 : parse-lines ( lines -- quot )
     lexer-factory get call (parse-lines) ;
@@ -206,8 +224,18 @@ SYMBOL: interactive-vocabs
         call
     ] with-scope ; inline
 
+SYMBOL: print-use-hook
+
+[ ] print-use-hook set-global
+
 : parse-fresh ( lines -- quot )
-    [ parse-lines ] with-file-vocabs ;
+    [
+        amended-use? off
+        parse-lines
+        amended-use? get [
+            print-use-hook get call
+        ] when
+    ] with-file-vocabs ;
 
 : parsing-file ( file -- )
     "quiet" get [

From 3ea773fa80b5afb5415d998915b379075022a97d Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Wed, 19 Nov 2008 16:10:00 -0600
Subject: [PATCH 33/38] remove UNKNOWN test

---
 vm/os-netbsd.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/vm/os-netbsd.h b/vm/os-netbsd.h
index 54b5d0bcff..6486acda4a 100644
--- a/vm/os-netbsd.h
+++ b/vm/os-netbsd.h
@@ -2,5 +2,4 @@
 
 #define UAP_PROGRAM_COUNTER(uap)    _UC_MACHINE_PC((ucontext_t *)uap)
 
-#define UNKNOWN_TYPE_P(file) ((file)->d_type == DT_UNKNOWN)
 #define DIRECTORY_P(file) ((file)->d_type == DT_DIR)

From 25d9fd68fc62247a2ddd15d4c66f384fb20383bb Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Wed, 19 Nov 2008 16:22:42 -0600
Subject: [PATCH 34/38] translate directory-type flags to our factor symbols

---
 basis/io/unix/files/files.factor |  9 ++++++---
 basis/unix/bsd/bsd.factor        | 10 ----------
 basis/unix/unix.factor           | 25 ++++++++++++++++++++++++-
 core/io/files/files.factor       |  1 +
 4 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/basis/io/unix/files/files.factor b/basis/io/unix/files/files.factor
index 3f254e7713..98206bc992 100644
--- a/basis/io/unix/files/files.factor
+++ b/basis/io/unix/files/files.factor
@@ -117,8 +117,8 @@ M: unix stat>file-info ( stat -- file-info )
         [ stat-st_blksize >>blocksize ]
     } cleave ;
 
-M: unix stat>type ( stat -- type )
-    stat-st_mode S_IFMT bitand {
+: n>file-type ( n -- type )
+    S_IFMT bitand {
         { S_IFREG [ +regular-file+ ] }
         { S_IFDIR [ +directory+ ] }
         { S_IFCHR [ +character-device+ ] }
@@ -129,6 +129,9 @@ M: unix stat>type ( stat -- type )
         [ drop +unknown+ ]
     } case ;
 
+M: unix stat>type ( stat -- type )
+    stat-st_mode n>file-type ;
+
 ! Linux has no extra fields in its stat struct
 os {
     { macosx  [ "io.unix.files.bsd" require ] }
@@ -150,7 +153,7 @@ os {
 
 M: unix >directory-entry ( byte-array -- directory-entry )
     [ dirent-d_name utf8 alien>string ]
-    [ dirent-d_type ] bi directory-entry boa ;
+    [ dirent-d_type dirent-type>file-type ] bi directory-entry boa ;
 
 M: unix (directory-entries) ( path -- seq )
     [
diff --git a/basis/unix/bsd/bsd.factor b/basis/unix/bsd/bsd.factor
index bd66c5253e..bf426ad867 100644
--- a/basis/unix/bsd/bsd.factor
+++ b/basis/unix/bsd/bsd.factor
@@ -83,16 +83,6 @@ C-STRUCT: passwd
 : SEEK_CUR 1 ; inline
 : SEEK_END 2 ; inline
 
-: DT_UNKNOWN   0 ; inline
-: DT_FIFO      1 ; inline
-: DT_CHR       2 ; inline
-: DT_DIR       4 ; inline
-: DT_BLK       6 ; inline
-: DT_REG       8 ; inline
-: DT_LNK      10 ; inline
-: DT_SOCK     12 ; inline
-: DT_WHT      14 ; inline
-
 os {
     { macosx  [ "unix.bsd.macosx"  require ] }
     { freebsd [ "unix.bsd.freebsd" require ] }
diff --git a/basis/unix/unix.factor b/basis/unix/unix.factor
index 4950daef2c..ca8a7a2e60 100644
--- a/basis/unix/unix.factor
+++ b/basis/unix/unix.factor
@@ -4,7 +4,7 @@ USING: alien alien.c-types alien.syntax kernel libc
 sequences continuations byte-arrays strings math namespaces
 system combinators vocabs.loader qualified accessors
 stack-checker macros locals generalizations unix.types
-debugger io prettyprint ;
+debugger io prettyprint io.files ;
 IN: unix
 
 : PROT_NONE   0 ; inline
@@ -20,6 +20,29 @@ IN: unix
 
 : NGROUPS_MAX 16 ; inline
 
+: DT_UNKNOWN   0 ; inline
+: DT_FIFO      1 ; inline
+: DT_CHR       2 ; inline
+: DT_DIR       4 ; inline
+: DT_BLK       6 ; inline
+: DT_REG       8 ; inline
+: DT_LNK      10 ; inline
+: DT_SOCK     12 ; inline
+: DT_WHT      14 ; inline
+
+: dirent-type>file-type ( ch -- type )
+    {
+        { DT_BLK  [ +block-device+ ] }
+        { DT_CHR  [ +character-device+ ] }
+        { DT_DIR  [ +directory+ ] }
+        { DT_LNK  [ +symbolic-link+ ] }
+        { DT_SOCK [ +socket+ ] }
+        { DT_FIFO [ +fifo+ ] }
+        { DT_REG  [ +regular-file+ ] }
+        { DT_WHT  [ +whiteout+ ] }
+        [ drop +unknown+ ]
+    } case ;
+
 C-STRUCT: group
     { "char*" "gr_name" }
     { "char*" "gr_passwd" }
diff --git a/core/io/files/files.factor b/core/io/files/files.factor
index ca8125d936..25f6f36e7c 100644
--- a/core/io/files/files.factor
+++ b/core/io/files/files.factor
@@ -175,6 +175,7 @@ SYMBOL: +character-device+
 SYMBOL: +block-device+
 SYMBOL: +fifo+
 SYMBOL: +socket+
+SYMBOL: +whiteout+
 SYMBOL: +unknown+
 
 ! File metadata

From e121a0822d3bc608df2d955de550b6008adfe7f4 Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Wed, 19 Nov 2008 16:27:12 -0600
Subject: [PATCH 35/38] make a backup of the factor binary, library, and image
 before bootstrapping

---
 build-support/factor.sh | 69 +++++++++++++++++++++++++++++++++--------
 1 file changed, 56 insertions(+), 13 deletions(-)

diff --git a/build-support/factor.sh b/build-support/factor.sh
index 8d75b8cff2..1a4aa9f965 100755
--- a/build-support/factor.sh
+++ b/build-support/factor.sh
@@ -131,10 +131,10 @@ check_library_exists() {
         $ECHO "***Factor will compile NO_UI=1"
         NO_UI=1
     fi
-    rm -f $GCC_TEST
-    check_ret rm
-    rm -f $GCC_OUT
-    check_ret rm
+    $DELETE -f $GCC_TEST
+    check_ret $DELETE
+    $DELETE -f $GCC_OUT
+    check_ret $DELETE
     $ECHO "found."
 }
 
@@ -209,7 +209,7 @@ c_find_word_size() {
     gcc -o $C_WORD $C_WORD.c
     WORD=$(./$C_WORD)
     check_ret $C_WORD
-    rm -f $C_WORD*
+    $DELETE -f $C_WORD*
 }
 
 intel_macosx_word_size() {
@@ -236,17 +236,30 @@ find_word_size() {
 
 set_factor_binary() {
     case $OS in
-        # winnt) FACTOR_BINARY=factor-nt;;
-        # macosx) FACTOR_BINARY=./Factor.app/Contents/MacOS/factor;;
+        winnt) FACTOR_BINARY=factor.exe;;
         *) FACTOR_BINARY=factor;;
     esac
 }
 
+set_factor_library() {
+    case $OS in
+        winnt) FACTOR_LIBRARY=factor.dll;;
+        macosx) FACTOR_LIBRARY=libfactor.dylib;;
+        *) FACTOR_LIBRARY=libfactor.a;;
+    esac
+}
+
+set_factor_image() {
+    FACTOR_IMAGE=factor.image
+}
+
 echo_build_info() {
     $ECHO OS=$OS
     $ECHO ARCH=$ARCH
     $ECHO WORD=$WORD
     $ECHO FACTOR_BINARY=$FACTOR_BINARY
+    $ECHO FACTOR_LIBRARY=$FACTOR_LIBRARY
+    $ECHO FACTOR_IMAGE=$FACTOR_IMAGE
     $ECHO MAKE_TARGET=$MAKE_TARGET
     $ECHO BOOT_IMAGE=$BOOT_IMAGE
     $ECHO MAKE_IMAGE_TARGET=$MAKE_IMAGE_TARGET
@@ -255,6 +268,8 @@ echo_build_info() {
     $ECHO DOWNLOADER=$DOWNLOADER
     $ECHO CC=$CC
     $ECHO MAKE=$MAKE
+    $ECHO COPY=$COPY
+    $ECHO DELETE=$DELETE
 }
 
 check_os_arch_word() {
@@ -312,6 +327,8 @@ find_build_info() {
     find_architecture
     find_word_size
     set_factor_binary
+    set_factor_library
+    set_factor_image
     set_build_info
     set_downloader
     set_gcc
@@ -339,6 +356,28 @@ cd_factor() {
     check_ret cd
 }
 
+set_copy() {
+    case $OS in
+        winnt) COPY=cp;;
+        *) COPY=cp;;
+    esac
+}
+
+set_delete() {
+    case $OS in
+        winnt) DELETE=rm;;
+        *) DELETE=rm;;
+    esac
+}
+
+backup_factor() {
+    $ECHO "Backing up factor..."
+    $COPY $FACTOR_BINARY $FACTOR_BINARY.bak
+    $COPY $FACTOR_LIBRARY $FACTOR_LIBRARY.bak
+    $COPY $FACTOR_IMAGE $FACTOR_IMAGE.bak
+    $ECHO "Done with backup."
+}
+
 check_makefile_exists() {
     if [[ ! -e "Makefile" ]] ; then
         echo ""
@@ -366,9 +405,9 @@ make_factor() {
 
 update_boot_images() {
     echo "Deleting old images..."
-    rm checksums.txt* > /dev/null 2>&1
-    rm $BOOT_IMAGE.* > /dev/null 2>&1
-    rm temp/staging.*.image > /dev/null 2>&1
+    $DELETE checksums.txt* > /dev/null 2>&1
+    $DELETE $BOOT_IMAGE.* > /dev/null 2>&1
+    $DELETE temp/staging.*.image > /dev/null 2>&1
     if [[ -f $BOOT_IMAGE ]] ; then
         get_url http://factorcode.org/images/latest/checksums.txt
         factorcode_md5=`cat checksums.txt|grep $BOOT_IMAGE|cut -f2 -d' '`;
@@ -382,7 +421,7 @@ update_boot_images() {
         if [[ "$factorcode_md5" == "$disk_md5" ]] ; then
             echo "Your disk boot image matches the one on factorcode.org."
         else
-            rm $BOOT_IMAGE > /dev/null 2>&1
+            $DELETE $BOOT_IMAGE > /dev/null 2>&1
             get_boot_image;
         fi
     else
@@ -459,6 +498,7 @@ install() {
 update() {
     get_config_info
     git_pull_factorcode
+    backup_factor
     make_clean
     make_factor
 }
@@ -469,12 +509,12 @@ update_bootstrap() {
 }
 
 refresh_image() {
-    ./$FACTOR_BINARY -script -e="USE: vocabs.loader refresh-all USE: memory save 0 USE: system exit"
+    ./$FACTOR_BINARY -script -e="USE: vocabs.loader USE: system refresh-all USE: memory save 0 exit"
     check_ret factor
 }
 
 make_boot_image() {
-    ./$FACTOR_BINARY -script -e="\"$MAKE_IMAGE_TARGET\" USE: bootstrap.image make-image save 0 USE: system exit"
+    ./$FACTOR_BINARY -script -e="\"$MAKE_IMAGE_TARGET\" USE: system USE: bootstrap.image make-image save 0 exit"
     check_ret factor
 
 }
@@ -513,6 +553,9 @@ if [[ -n "$2" ]] ; then
     parse_build_info $2
 fi
 
+set_copy
+set_delete
+
 case "$1" in
     install) install ;;
     install-x11) install_build_system_apt; install ;;

From 002563ce44e958c6ef95ed5f19946031327ef10a Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Wed, 19 Nov 2008 16:27:16 -0600
Subject: [PATCH 36/38] Add DWIM mode

---
 core/parser/parser.factor | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/core/parser/parser.factor b/core/parser/parser.factor
index 00d13e6e56..007120fd19 100644
--- a/core/parser/parser.factor
+++ b/core/parser/parser.factor
@@ -69,20 +69,21 @@ TUPLE: no-current-vocab ;
 
 : CREATE-WORD ( -- word ) CREATE dup reset-generic ;
 
-: word-restarts ( possibilities name -- restarts )
-    [
-        natural-sort
-        [
-            [ "Use the " swap vocabulary>> " vocabulary" 3append ] keep
-        ] { } map>assoc
-    ]
-    [ "Defer word in current vocabulary" swap 2array ] bi*
+: word-restarts ( name possibilities -- restarts )
+    natural-sort
+    [ [ "Use the " swap vocabulary>> " vocabulary" 3append ] keep ] { } map>assoc
+    swap "Defer word in current vocabulary" swap 2array
     suffix ;
 
 ERROR: no-word-error name ;
 
+: <no-word-error> ( name possibilities -- error restarts )
+    [ drop \ no-word-error boa ] [ word-restarts ] 2bi ;
+
 SYMBOL: amended-use?
 
+SYMBOL: do-what-i-mean?
+
 : no-word-restarted ( restart-value -- word )
     dup word?
     [ amended-use? on dup vocabulary>> (use+) ]
@@ -90,10 +91,11 @@ SYMBOL: amended-use?
     if ;
 
 : no-word ( name -- newword )
-    dup \ no-word-error boa
-    swap [ words-named [ forward-reference? not ] filter ] keep
-    word-restarts throw-restarts
-    no-word-restarted ;
+    dup words-named [ forward-reference? not ] filter
+    dup length 1 = do-what-i-mean? get and
+    [ nip first no-word-restarted ]
+    [ <no-word-error> throw-restarts no-word-restarted ]
+    if ;
 
 : check-forward ( str word -- word/f )
     dup forward-reference? [
@@ -226,7 +228,7 @@ SYMBOL: interactive-vocabs
 
 SYMBOL: print-use-hook
 
-[ ] print-use-hook set-global
+print-use-hook global [ [ ] or ] change-at
 
 : parse-fresh ( lines -- quot )
     [

From a62641e4698466ceb84585c6ad204adafed47abc Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Wed, 19 Nov 2008 16:32:12 -0600
Subject: [PATCH 37/38] add .bak to gitignore for factor backups

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index 290f075aae..f4334f3727 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@ temp
 logs
 work
 build-support/wordsize
+*.bak

From 1ef21ba2d3626ee4186ba129543abf21534f4ae9 Mon Sep 17 00:00:00 2001
From: Doug Coleman <doug.coleman@gmail.com>
Date: Wed, 19 Nov 2008 16:40:50 -0600
Subject: [PATCH 38/38] add type to directory-entry on windows

---
 basis/io/windows/files/files.factor | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/basis/io/windows/files/files.factor b/basis/io/windows/files/files.factor
index d0409ce59a..5746eb252d 100755
--- a/basis/io/windows/files/files.factor
+++ b/basis/io/windows/files/files.factor
@@ -114,11 +114,6 @@ M: windows delete-directory ( path -- )
     normalize-path
     RemoveDirectory win32-error=0/f ;
 
-M: windows >directory-entry ( byte-array -- directory-entry )
-    [ WIN32_FIND_DATA-cFileName utf16n alien>string ]
-    [ WIN32_FIND_DATA-dwFileAttributes ]
-    bi directory-entry boa ;
-
 : find-first-file ( path -- WIN32_FIND_DATA handle )
     "WIN32_FIND_DATA" <c-object> tuck
     FindFirstFile
@@ -177,6 +172,14 @@ TUPLE: windows-file-info < file-info attributes ;
 : win32-file-type ( n -- symbol )
     FILE_ATTRIBUTE_DIRECTORY mask? +directory+ +regular-file+ ? ;
 
+TUPLE: windows-directory-entry < directory-entry attributes ;
+
+M: windows >directory-entry ( byte-array -- directory-entry )
+    [ WIN32_FIND_DATA-cFileName utf16n alien>string ]
+    [ WIN32_FIND_DATA-dwFileAttributes win32-file-type ]
+    [ WIN32_FIND_DATA-dwFileAttributes win32-file-attributes ]
+    tri windows-directory-entry boa ;
+
 : WIN32_FIND_DATA>file-info ( WIN32_FIND_DATA -- file-info )
     [ \ windows-file-info new ] dip
     {