Merge branch 'master' of git://factorcode.org/git/factor

core/bootstrap/compiler/compiler.factor

@@ -77,3 +77,14 @@ nl
 [ compiled-usages recompile ] recompile-hook set-global
 
 " done" print flush
+
+! Load empty test vocabs
+USE: compiler.test.curry
+USE: compiler.test.float
+USE: compiler.test.intrinsics
+USE: compiler.test.redefine
+USE: compiler.test.simple
+USE: compiler.test.stack-trace
+USE: compiler.test.templates
+USE: compiler.test.templates-early
+USE: compiler.test.tuples

core/bootstrap/image/image.factor

@@ -136,7 +136,7 @@ SYMBOL: undefined-quot
 : here-as ( tag -- pointer ) here swap bitor ;
 
 : align-here ( -- )
-    here 8 mod 4 = [ 0 emit ] when ;
+    here 8 mod 4 = [ heap-size drop 0 emit ] when ;
 
 : emit-fixnum ( n -- ) tag-fixnum emit ;
 
@@ -177,6 +177,7 @@ GENERIC: ' ( obj -- ptr )
     [ dup bignum-bits neg shift swap bignum-radix bitand ]
     [ ] unfold nip ;
 
+USE: continuations
 : emit-bignum ( n -- )
     dup 0 < [ 1 swap neg ] [ 0 swap ] if bignum>seq
     dup length 1+ emit-fixnum
@@ -214,10 +215,6 @@ M: f '
 :  1,  1 >bignum '  1-offset fixup ;
 : -1, -1 >bignum ' -1-offset fixup ;
 
-! Beginning of the image
-
-: begin-image ( -- ) emit-header t, 0, 1, -1, ;
-
 ! Words
 
 : emit-word ( word -- )
@@ -385,7 +382,10 @@ M: curry '
 : fixup-header ( -- )
     heap-size data-heap-size-offset fixup ;
 
-: end-image ( -- )
+: build-image ( -- image )
+    800000 <vector> image set
+    20000 <hashtable> objects set
+    emit-header t, 0, 1, -1,
     "Serializing words..." print flush
     emit-words
     "Serializing JIT data..." print flush
@@ -400,7 +400,8 @@ M: curry '
     fixup-header
     "Image length: " write image get length .
     "Object cache size: " write objects get assoc-size .
-    \ word global delete-at ;
+    \ word global delete-at
+    image get ;
 
 ! Image output
 
@@ -411,28 +412,23 @@ M: curry '
         [ >le write ] curry each
     ] if ;
 
-: write-image ( image filename -- )
-    "Writing image to " write dup write "..." print flush
+: write-image ( image -- )
+    "Writing image to " write
+    architecture get boot-image-name resource-path
+    dup write "..." print flush
     <file-writer> [ (write-image) ] with-stream ;
 
-: prepare-image ( -- )
-    bootstrapping? on
-    load-help? off
-    800000 <vector> image set
-    20000 <hashtable> objects set ;
-
 PRIVATE>
 
 : make-image ( arch -- )
-    architecture [
-        prepare-image
-        begin-image
+    [
+        architecture set
+        bootstrapping? on
+        load-help? off
         "resource:/core/bootstrap/stage1.factor" run-file
-        end-image
-        image get
-        architecture get boot-image-name resource-path
+        build-image
         write-image
-    ] with-variable ;
+    ] with-scope ;
 
 : make-images ( -- )
     images [ make-image ] each ;

core/classes/classes.factor

@@ -20,7 +20,9 @@ PREDICATE: class tuple-class
 
 : classes ( -- seq ) class<map get keys ;
 
-: type>class ( n -- class ) builtins get nth ;
+: type>class ( n -- class ) builtins get-global nth ;
+
+: bootstrap-type>class ( n -- class ) builtins get nth ;
 
 : predicate-word ( word -- predicate )
     [ word-name "?" append ] keep word-vocabulary create ;

core/compiler/compiler-tests.factor

@@ -1,7 +0,0 @@
-IN: temporary
-USING: tools.browser tools.test kernel sequences vocabs ;
-
-"compiler.test" child-vocabs empty? [
-    "compiler.test" load-children
-    "compiler.test" test
-] when

core/compiler/test/simple/simple-tests.factor

@@ -1,6 +1,6 @@
 USING: compiler tools.test kernel kernel.private
 combinators.private math.private math combinators strings
-alien arrays ;
+alien arrays memory ;
 IN: temporary
 
 ! Test empty word
@@ -48,6 +48,8 @@ IN: temporary
 [ 4 1 3 ] [ 0 [ { [ bar 1 ] [ 3 1 ] } dispatch 3 ] compile-call ] unit-test
 [ 3 1 3 ] [ 1 [ { [ bar 1 ] [ 3 1 ] } dispatch 3 ] compile-call ] unit-test
 
+[ 2 3 ] [ 1 [ { [ code-gc 1 ] [ code-gc 2 ] } dispatch 3 ] compile-call ] unit-test
+
 ! Labels
 
 : recursive ( ? -- ) [ f recursive ] when ; inline

core/continuations/continuations-docs.factor

@@ -169,7 +169,7 @@ HELP: rethrow
 
 HELP: throw-restarts
 { $values { "error" object } { "restarts" "a sequence of " { $snippet "{ string object }" } " pairs" } { "restart" object } }
-{ $description "Throws a restartable error using " { $link throw } ". The " { $snippet "restarts" } " parameter is a sequence of pairs where the first element in each pair is a human-readable description and the second is an arbitrary object. If the error reaches the top-level error handler, the user will be presented with the list of possible restarts, and upon invoking one, execution will continue after the call to " { $link condition } " with the object associated to the chosen restart on the stack." }
+{ $description "Throws a restartable error using " { $link throw } ". The " { $snippet "restarts" } " parameter is a sequence of pairs where the first element in each pair is a human-readable description and the second is an arbitrary object. If the error reaches the top-level error handler, the user will be presented with the list of possible restarts, and upon invoking one, execution will continue after the call to " { $link throw-restarts } " with the object associated to the chosen restart on the stack." }
 { $examples
     "Try invoking one of the two restarts which are offered after the below code throws an error:"
     { $code

core/cpu/architecture/architecture.factor

@@ -60,9 +60,7 @@ HOOK: %jump-label compiler-backend ( label -- )
 ! Test if vreg is 'f' or not
 HOOK: %jump-t compiler-backend ( label -- )
 
-HOOK: %call-dispatch compiler-backend ( -- label )
-
-HOOK: %jump-dispatch compiler-backend ( -- )
+HOOK: %dispatch compiler-backend ( -- )
 
 HOOK: %dispatch-label compiler-backend ( word -- )
 

core/cpu/ppc/architecture/architecture.factor

@@ -111,20 +111,15 @@ M: ppc-backend %jump-label ( label -- ) B ;
 M: ppc-backend %jump-t ( label -- )
     0 "flag" operand f v>operand CMPI BNE ;
 
-: (%dispatch) ( len -- )
-    0 11 LOAD32 rc-absolute-ppc-2/2 rel-here
-    "offset" operand "n" operand 1 SRAWI
-    11 11 "offset" operand ADD
-    11 dup rot cells LWZ ;
-
-M: ppc-backend %call-dispatch ( word-table# -- )
-    [ 7 (%dispatch) (%call) <label> dup B ] H{
-        { +input+ { { f "n" } } }
-        { +scratch+ { { f "offset" } } }
-    } with-template ;
-
-M: ppc-backend %jump-dispatch ( -- )
-    [ %epilogue-later 6 (%dispatch) (%jump) ] H{
+M: ppc-backend %dispatch ( -- )
+    [
+        %epilogue-later
+        0 11 LOAD32 rc-absolute-ppc-2/2 rel-here
+        "offset" operand "n" operand 1 SRAWI
+        11 11 "offset" operand ADD
+        11 dup 6 cells LWZ
+        (%jump)
+    ] H{
         { +input+ { { f "n" } } }
         { +scratch+ { { f "offset" } } }
     } with-template ;

core/cpu/x86/64/64.factor

@@ -4,7 +4,8 @@ USING: alien.c-types arrays cpu.x86.assembler
 cpu.x86.architecture cpu.x86.intrinsics cpu.x86.sse2
 cpu.x86.allot cpu.architecture kernel kernel.private math
 namespaces sequences generator.registers generator.fixup system
-alien alien.compiler alien.structs slots splitting assocs ;
+alien alien.accessors alien.compiler alien.structs slots
+splitting assocs ;
 IN: cpu.x86.64
 
 PREDICATE: x86-backend amd64-backend

core/cpu/x86/architecture/architecture.factor

@@ -77,26 +77,29 @@ M: x86-backend %jump-label ( label -- ) JMP ;
 M: x86-backend %jump-t ( label -- )
     "flag" operand f v>operand CMP JNE ;
 
-: (%dispatch) ( n -- operand )
-    ! Load jump table base. We use a temporary register
-    ! since on AMD64 we have to load a 64-bit immediate. On
-    ! x86, this is redundant.
-    ! Untag and multiply to get a jump table offset
-    "n" operand fixnum>slot@
-    ! Add jump table base
-    "offset" operand HEX: ffffffff MOV rc-absolute-cell rel-here
-    "n" operand "offset" operand ADD
-    "n" operand swap bootstrap-cell 8 = 14 9 ? + [+] ;
+: code-alignment ( -- n )
+    building get length dup cell align swap - ;
 
-M: x86-backend %call-dispatch ( word-table# -- )
-    [ 5 (%dispatch) CALL <label> dup JMP ] H{
-        { +input+ { { f "n" } } }
-        { +scratch+ { { f "offset" } } }
-        { +clobber+ { "n" } }
-    } with-template ;
+: align-code ( n -- )
+    0 <repetition> % ;
 
-M: x86-backend %jump-dispatch ( -- )
-    [ %epilogue-later 0 (%dispatch) JMP ] H{
+M: x86-backend %dispatch ( -- )
+    [
+        %epilogue-later
+        ! Load jump table base. We use a temporary register
+        ! since on AMD64 we have to load a 64-bit immediate. On
+        ! x86, this is redundant.
+        ! Untag and multiply to get a jump table offset
+        "n" operand fixnum>slot@
+        ! Add jump table base
+        "offset" operand HEX: ffffffff MOV rc-absolute-cell rel-here
+        "n" operand "offset" operand ADD
+        "n" operand HEX: 7f [+] JMP
+        ! Fix up the displacement above
+        code-alignment dup bootstrap-cell 8 = 15 9 ? +
+        building get dup pop* push
+        align-code
+    ] H{
         { +input+ { { f "n" } } }
         { +scratch+ { { f "offset" } } }
         { +clobber+ { "n" } }

core/generator/generator.factor

@@ -56,13 +56,16 @@ GENERIC: generate-node ( node -- next )
 : generate-nodes ( node -- )
     [ node@ generate-node ] iterate-nodes end-basic-block ;
 
+: init-generate-nodes ( -- )
+    init-templates
+    %save-word-xt
+    %prologue-later
+    current-label-start define-label
+    current-label-start resolve-label ;
+    
 : generate ( word label node -- )
     [
-        init-templates
-        %save-word-xt
-        %prologue-later
-        current-label-start define-label
-        current-label-start resolve-label
+        init-generate-nodes
         [ generate-nodes ] with-node-iterator
     ] generate-1 ;
 
@@ -168,17 +171,23 @@ M: #if generate-node
         ] if %dispatch-label
     ] each ;
 
+: generate-dispatch ( node -- )
+    %dispatch dispatch-branches init-templates ;
+
 M: #dispatch generate-node
     #! The order here is important, dispatch-branches must
     #! run after %dispatch, so that each branch gets the
     #! correct register state
     tail-call? [
-        %jump-dispatch dispatch-branches
+        generate-dispatch iterate-next
     ] [
-        0 frame-required
-        %call-dispatch >r dispatch-branches r> resolve-label
-    ] if
-    init-templates iterate-next ;
+        compiling-word get gensym [
+            rot [
+                init-generate-nodes
+                generate-dispatch
+            ] generate-1
+        ] keep generate-call
+    ] if ;
 
 ! #call
 : define-intrinsics ( word intrinsics -- )

core/generic/math/math.factor

@@ -61,7 +61,7 @@ TUPLE: no-math-method left right generic ;
 : math-vtable* ( picker max quot -- quot )
     [
         rot , \ tag ,
-        [ >r [ type>class ] map r> map % ] { } make ,
+        [ >r [ bootstrap-type>class ] map r> map % ] { } make ,
         \ dispatch ,
     ] [ ] make ; inline
 

core/generic/standard/standard.factor

@@ -97,7 +97,7 @@ TUPLE: no-method object generic ;
     [ small-generic ] picker class-hash-dispatch-quot ;
 
 : vtable-class ( n -- class )
-    type>class [ hi-tag bootstrap-word ] unless* ;
+    bootstrap-type>class [ hi-tag bootstrap-word ] unless* ;
 
 : group-methods ( assoc -- vtable )
     #! Input is a predicate -> method association.

core/inference/backend/backend.factor

@@ -370,6 +370,7 @@ TUPLE: effect-error word effect ;
             init-inference
             dependencies off
             dup word-def over dup infer-quot-recursive
+            end-infer
             finish-word
             current-effect
         ] with-scope

core/inference/inference-tests.factor

@@ -4,7 +4,8 @@ math.parser math.private namespaces namespaces.private parser
 sequences strings vectors words quotations effects tools.test
 continuations generic.standard sorting assocs definitions
 prettyprint io inspector tuples classes.union classes.predicate
-debugger threads.private io.streams.string combinators.private ;
+debugger threads.private io.streams.string io.timeouts
+combinators.private ;
 IN: temporary
 
 { 0 2 } [ 2 "Hello" ] must-infer-as
@@ -536,3 +537,8 @@ TUPLE: custom-error ;
 ! This was a false trigger of the undecidable quotation
 ! recursion bug
 { 2 1 } [ find-last-sep ] must-infer-as
+
+! Regression
+: missing->r-check >r ;
+
+[ [ missing->r-check ] infer ] must-fail

core/io/io-docs.factor

@@ -22,8 +22,7 @@ $nl
 { $subsection make-block-stream }
 { $subsection make-cell-stream }
 { $subsection stream-write-table }
-"Optional word for network streams:"
-{ $subsection set-timeout } ;
+{ $see-also "io.timeouts" } ;
 
 ARTICLE: "stdio" "The default stream"
 "Various words take an implicit stream parameter from a variable to reduce stack shuffling."
@@ -73,11 +72,6 @@ ARTICLE: "streams" "Streams"
 
 ABOUT: "streams"
 
-HELP: set-timeout
-{ $values { "n" "an integer" } { "stream" "a stream" } }
-{ $contract "Sets a timeout, in milliseconds, for input and output operations on the stream. If a read or a write is initiated and no activity is seen before the timeout expires, an error will be thrown to the caller of the operation being performed." }
-{ $notes "Whether or not the stream is closed when the error is thrown is implementation-specific, and user code should take care to close the stream on all error conditions in any case." } ;
-
 HELP: stream-readln
 { $values { "stream" "an input stream" } { "str" string } }
 { $contract "Reads a line of input from the stream. Outputs " { $link f } " on stream exhaustion." }

core/io/io.factor

@@ -4,7 +4,6 @@ USING: hashtables generic kernel math namespaces sequences strings
     continuations assocs io.styles sbufs ;
 IN: io
 
-GENERIC: set-timeout ( n stream -- )
 GENERIC: stream-readln ( stream -- str )
 GENERIC: stream-read1 ( stream -- ch/f )
 GENERIC: stream-read ( n stream -- str/f )

core/io/streams/duplex/duplex.factor

@@ -74,8 +74,3 @@ M: duplex-stream dispose
         [ dup duplex-stream-out dispose ]
         [ dup duplex-stream-in dispose ] [ ] cleanup
     ] unless drop ;
-
-M: duplex-stream set-timeout
-    2dup
-    duplex-stream-in set-timeout
-    duplex-stream-out set-timeout ;

core/math/parser/parser.factor

@@ -41,6 +41,9 @@ DEFER: base>
 <PRIVATE
 
 SYMBOL: radix
+SYMBOL: negative?
+
+: sign negative? get "-" "+" ? ;
 
 : with-radix ( radix quot -- )
     radix swap with-variable ; inline
@@ -48,7 +51,7 @@ SYMBOL: radix
 : (base>) ( str -- n ) radix get base> ;
 
 : whole-part ( str -- m n )
-    "+" split1 >r (base>) r>
+    sign split1 >r (base>) r>
     dup [ (base>) ] [ drop 0 swap ] if ;
 
 : string>ratio ( str -- a/b )
@@ -70,7 +73,7 @@ PRIVATE>
 
 : base> ( str radix -- n/f )
     [
-        "-" ?head >r
+        "-" ?head dup negative? set >r
         {
             { [ CHAR: / over member? ] [ string>ratio ] }
             { [ CHAR: . over member? ] [ string>float ] }
@@ -114,9 +117,9 @@ M: integer >base
 M: ratio >base
     [
         [
-            dup 0 < [ "-" % neg ] when
+            dup 0 < dup negative? set [ "-" % neg ] when
             1 /mod
-            >r dup zero? [ drop ] [ (>base) % "+" % ] if r>
+            >r dup zero? [ drop ] [ (>base) % sign % ] if r>
             dup numerator (>base) %
             "/" %
             denominator (>base) %

extra/builder/builder.factor

@@ -1,8 +1,9 @@
 
-USING: kernel io io.files io.launcher hashtables
+USING: kernel io io.files io.launcher io.sockets hashtables
        system continuations namespaces sequences splitting math.parser
        prettyprint tools.time calendar bake vars http.client
-       combinators bootstrap.image bootstrap.image.download ;
+       combinators bootstrap.image bootstrap.image.download
+       combinators.cleave ;
 
 IN: builder
 
@@ -29,16 +30,34 @@ IN: builder
 
 SYMBOL: builder-recipients
 
+: host-name* ( -- name ) host-name "." split first ;
+
+: tag-subject ( str -- str ) `{ "builder@" ,[ host-name* ] ": " , } concat ;
+
+: email-string ( subject -- )
+  `{ "mutt" "-s" ,[ tag-subject ] %[ builder-recipients get ] }
+  [ ] with-process-stream drop ;
+
 : email-file ( subject file -- )
   `{
     { +stdin+ , }
-    { +arguments+ { "mutt" "-s" , %[ builder-recipients get ] } }
+    { +arguments+
+      { "mutt" "-s" ,[ tag-subject ] %[ builder-recipients get ] } }
   }
   >hashtable run-process drop ;
 
-: email-string ( subject -- )
-  `{ "mutt" "-s" , %[ builder-recipients get ] }
-  [ ] with-process-stream drop ;
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: run-or-notify ( desc message -- )
+  [ [ try-process ]        curry ]
+  [ [ email-string throw ] curry ]
+  bi*
+  recover ;
+
+: run-or-send-file ( desc message file -- )
+  >r >r [ try-process ]         curry
+  r> r> [ email-file throw ] 2curry
+  recover ;
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
@@ -59,71 +78,44 @@ VAR: stamp
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-SYMBOL: build-status
-
-: build ( -- )
-
-  "running" build-status set-global
-
-  datestamp >stamp
-
-  "/builds/factor" cd
-  
+: git-pull ( -- desc )
   {
     "git"
     "pull"
     "--no-summary"
     "git://factorcode.org/git/factor.git"
     "master"
-  }
-  run-process process-status
-  0 =
-  [ ]
-  [
-    "builder: git pull" email-string
-    "builder: git pull" throw
-  ]
-  if
+  } ;
 
-  {
-    "git" "pull" "--no-summary"
-    "http://dharmatech.onigirihouse.com/factor.git" "master"
-  } run-process drop
+: git-clone ( -- desc ) { "git" "clone" "../factor" } ;
 
-  "/builds/" stamp> append make-directory
-  "/builds/" stamp> append cd
-
-  { "git" "clone" "../factor" } run-process drop
-
-  "factor" cd
+: enter-build-dir ( -- )
+  datestamp >stamp
+  "/builds" cd
+  stamp> make-directory
+  stamp> cd ;
 
+: record-git-id ( -- )
   { "git" "show" } <process-stream> [ readln ] with-stream " " split second
-  "../git-id" log-object
+  "../git-id" log-object ;
 
-  { "make" "clean" } run-process drop
-
-  ! "vm" build-status set-global
+: make-clean ( -- desc ) { "make" "clean" } ;
 
+: make-vm ( -- )
   `{
      { +arguments+ { "make" ,[ target ] } }
      { +stdout+    "../compile-log" }
      { +stderr+    +stdout+ }
    }
-  >hashtable run-process process-status
-  0 =
-  [ ]
-  [
-    "builder: vm compile" "../compile-log" email-file
-    "builder: vm compile" throw
-  ] if
+  >hashtable ;
 
+: retrieve-boot-image ( -- )
   [ my-arch download-image ]
   [ ]
   [ "builder: image download" email-string ]
-  cleanup
-
-  ! "bootstrap" build-status set-global
+  cleanup ;
 
+: bootstrap ( -- desc )
   `{
      { +arguments+ {
                      ,[ factor-binary ]
@@ -133,29 +125,49 @@ SYMBOL: build-status
      { +stdout+   "../boot-log" }
      { +stderr+   +stdout+ }
    }
-  >hashtable [ run-process ] "../boot-time" log-runtime process-status
-  0 =
-  [ ]
-  [
-    "builder: bootstrap" "../boot-log" email-file
-    "builder: bootstrap" throw
-  ] if
+  >hashtable ;
 
-  ! "test" build-status set-global
+: builder-test ( -- desc ) `{ ,[ factor-binary ] "-run=builder.test" } ;
+  
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-  `{ ,[ factor-binary ] "-run=builder.test" } run-process drop
+SYMBOL: build-status
+
+: build ( -- )
+
+  "running" build-status set-global
+
+  "/builds/factor" cd
+
+  git-pull "git pull error" run-or-notify
+
+  enter-build-dir
+  
+  git-clone "git clone error" run-or-notify
+
+  "factor" cd
+
+  record-git-id
+
+  make-clean "make clean error" run-or-notify
+
+  make-vm "vm compile error" "../compile-log" run-or-send-file
+
+  retrieve-boot-image
+
+  bootstrap "bootstrap error" "../boot-log" run-or-send-file
+
+  builder-test "builder.test fatal error" run-or-notify
   
   "../load-everything-log" exists?
-  [ "builder: load-everything" "../load-everything-log" email-file ]
+  [ "load-everything" "../load-everything-log" email-file ]
   when
 
   "../failing-tests" exists?
-  [ "builder: failing tests" "../failing-tests" email-file ]
+  [ "failing tests" "../failing-tests" email-file ]
   when
 
-  ! "ready" build-status set-global
-
-  ;
+  "ready" build-status set-global ;
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 

extra/cocoa/cocoa.factor

@@ -58,6 +58,7 @@ SYMBOL: super-sent-messages
         "NSPasteboard"
         "NSResponder"
         "NSSavePanel"
+        "NSScreen"
         "NSView"
         "NSWindow"
         "NSWorkspace"

extra/concurrency/concurrency-tests.factor

@@ -133,4 +133,9 @@ SYMBOL: value
 [ 3 3 ] [
     [ 3 ] future
     dup ?future swap ?future
+] unit-test
+
+! Another race
+[ 3 ] [
+    [ 3 yield ] future ?future
 ] unit-test

extra/concurrency/concurrency.factor

@@ -264,26 +264,31 @@ PRIVATE>
     #! so the server continuation gets its new self updated.
     self swap call ;
 
-TUPLE: future status value processes ;
+TUPLE: future value processes ;
+
+: notify-future ( value future -- )
+    tuck set-future-value
+    dup future-processes [ schedule-thread ] each
+    f swap set-future-processes ;
 
 : future ( quot -- future )
-    #! Spawn a process to call the quotation and immediately return
-    #! a 'future' on the stack. The future can later be queried with
-    #! ?future. If the quotation has completed the result will be returned.
-    #! If not, the process will block until the quotation completes.
-    #! 'quot' must have stack effect ( -- X ).
-    [
+    #! Spawn a process to call the quotation and immediately return.
+    f V{ } clone \ future construct-boa [
         [
-            t 
-        ] compose
-    ] spawn drop
-    [ self send ] compose spawn ;
+            >r [ t 2array ] compose [ f 2array ] recover r>
+            notify-future
+        ] 2curry spawn drop
+    ] keep ;
 
 : ?future ( future -- result )
     #! Block the process until the future has completed and then
     #! place the result on the stack. Return the result
     #! immediately if the future has completed.
-    process-mailbox mailbox-get ;
+    dup future-value [
+        first2 [ throw ] unless
+    ] [
+        dup [ future-processes push stop ] curry callcc0 ?future
+    ] ?if ;
 
 : parallel-map ( seq quot -- newseq )
     #! Spawn a process to apply quot to each element of seq,

extra/delegate/protocols/protocols.factor

@@ -18,7 +18,7 @@ PROTOCOL: stream-protocol
     stream-read1 stream-read stream-read-until
     stream-flush stream-write1 stream-write stream-format
     stream-nl make-span-stream make-block-stream stream-readln
-    make-cell-stream stream-write-table set-timeout ;
+    make-cell-stream stream-write-table ;
 
 PROTOCOL: definition-protocol
     where set-where forget uses redefined*

extra/help/handbook/handbook.factor

@@ -157,7 +157,8 @@ ARTICLE: "io" "Input and output"
 "Advanced features:"
 { $subsection "io.launcher" }
 { $subsection "io.mmap" }
-{ $subsection "io.monitors" } ;
+{ $subsection "io.monitors" }
+{ $subsection "io.timeouts" } ;
 
 ARTICLE: "tools" "Developer tools"
 { $subsection "tools.annotations" }

extra/http/client/client.factor

@@ -1,8 +1,8 @@
 ! Copyright (C) 2005, 2007 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: assocs http kernel math math.parser namespaces sequences
-io io.sockets io.streams.string io.files strings splitting
-continuations assocs.lib ;
+io io.sockets io.streams.string io.files io.timeouts strings
+splitting continuations assocs.lib ;
 IN: http.client
 
 : parse-host ( url -- host port )

extra/http/server/server.factor

@@ -1,6 +1,6 @@
 ! Copyright (C) 2003, 2008 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: assocs kernel namespaces io strings splitting
+USING: assocs kernel namespaces io io.timeouts strings splitting
 threads http http.server.responders sequences prettyprint
 io.server logging ;
 

extra/io/launcher/launcher-docs.factor

@@ -76,6 +76,9 @@ HELP: +append-environment+
 $nl
 "This is used in situations where you want a spawn child process with some overridden environment variables." } ;
 
+HELP: +timeout+
+{ $description "Launch descriptor key. If set, specifies a maximum running time for the process. If the process runs longer than this time, it will be killed." } ;
+
 HELP: default-descriptor
 { $description "Association storing default values for launch descriptor keys." } ;
 
@@ -94,22 +97,16 @@ HELP: run-process*
 
 HELP: >descriptor
 { $values { "desc" "a launch descriptor" } { "desc" "a launch descriptor" } }
-{ $description "Creates a launch descriptor from an object, which must be one of the following:"
-    { $list
-        { "a string -- this is wrapped in a launch descriptor with a single " { $link +command+ } " key" }
-        { "a sequence of strings -- this is wrapped in a launch descriptor with a single " { $link +arguments+ } " key" }
-        { "an association, used to set launch parameters for additional control" }
-    }
-} ;
+{ $description "Creates a launch descriptor from an object. See " { $link "io.launcher.descriptors" } " for details." } ;
 
 HELP: run-process
 { $values { "desc" "a launch descriptor" } { "process" process } }
-{ $description "Launches a process. The object can either be a string, a sequence of strings or a launch descriptor. See " { $link >descriptor } " for details." }
+{ $description "Launches a process. The object can either be a string, a sequence of strings or a launch descriptor. See " { $link "io.launcher.descriptors" } " for details." }
 { $notes "The output value can be passed to " { $link wait-for-process } " to get an exit code." } ;
 
 HELP: run-detached
 { $values { "desc" "a launch descriptor" } { "process" process } }
-{ $contract "Launches a process without waiting for it to complete. The object can either be a string, a sequence of strings or a launch descriptor. See " { $link >descriptor } " for details." }
+{ $contract "Launches a process without waiting for it to complete. The object can either be a string, a sequence of strings or a launch descriptor. See " { $link "io.launcher.descriptors" } " for details." }
 { $notes
     "This word is functionally identical to passing a launch descriptor to " { $link run-process } " having the " { $link +detached+ } " key set."
     $nl
@@ -162,25 +159,27 @@ HELP: wait-for-process
 { $values { "process" process } { "status" integer } }
 { $description "If the process is still running, waits for it to exit, otherwise outputs the exit code immediately. Can be called multiple times on the same process." } ;
 
-ARTICLE: "io.launcher" "Launching OS processes"
-"The " { $vocab-link "io.launcher" } " vocabulary implements cross-platform process launching."
-$nl
-"Words which launch processes can take either a command line string, a sequence of command line arguments, or a launch descriptor:"
+ARTICLE: "io.launcher.descriptors" "Launch descriptors"
+"Words which launch processes can take either a command line string, a sequence of command line arguments, or an assoc:"
 { $list
-    { "strings are wrapped in a launch descriptor with a single " { $link +command+ } " key" }
-    { "sequences of strings are wrapped in a launch descriptor with a single " { $link +arguments+ } " key" }
-    { "launch descriptors are associations, which can set extra launch parameters for finer control" }
+    { "strings are wrapped in an assoc with a single " { $link +command+ } " key" }
+    { "sequences of strings are wrapped in an assoc with a single " { $link +arguments+ } " key" }
+    { "associations can be passed in, which allows finer control over launch parameters" }
 }
-"A launch descriptor is an association containing keys from the below set:"
+"The associations can contain the following keys:"
 { $subsection +command+ }
 { $subsection +arguments+ }
 { $subsection +detached+ }
 { $subsection +environment+ }
 { $subsection +environment-mode+ }
-"Redirecting standard input and output to files:"
+{ $subsection +timeout+ }
 { $subsection +stdin+ }
 { $subsection +stdout+ }
-{ $subsection +stderr+ }
+{ $subsection +stderr+ } ;
+
+ARTICLE: "io.launcher" "Launching OS processes"
+"The " { $vocab-link "io.launcher" } " vocabulary implements cross-platform process launching."
+{ $subsection "io.launcher.descriptors" }
 "The following words are used to launch processes:"
 { $subsection run-process }
 { $subsection run-detached }
@@ -193,6 +192,7 @@ $nl
 "A class representing an active or finished process:"
 { $subsection process }
 "Waiting for a process to end, or getting the exit code of a finished process:"
-{ $subsection wait-for-process } ;
+{ $subsection wait-for-process }
+"Processes support the " { $link "io.timeouts" } "; the timeout specifies an upper bound on the running time of the process." ;
 
 ABOUT: "io.launcher"

extra/io/launcher/launcher.factor

@@ -1,8 +1,8 @@
 ! Copyright (C) 2008 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: io io.backend system kernel namespaces strings hashtables
-sequences assocs combinators vocabs.loader init threads
-continuations math ;
+USING: io io.backend io.timeouts system kernel namespaces
+strings hashtables sequences assocs combinators vocabs.loader
+init threads continuations math ;
 IN: io.launcher
 
 ! Non-blocking process exit notification facility
@@ -10,14 +10,14 @@ SYMBOL: processes
 
 [ H{ } clone processes set-global ] "io.launcher" add-init-hook
 
-TUPLE: process handle status ;
+TUPLE: process handle status killed? lapse ;
 
 HOOK: register-process io-backend ( process -- )
 
 M: object register-process drop ;
 
 : <process> ( handle -- process )
-    f process construct-boa
+    f f <lapse> process construct-boa
     V{ } clone over processes get set-at
     dup register-process ;
 
@@ -25,6 +25,8 @@ M: process equal? 2drop f ;
 
 M: process hashcode* process-handle hashcode* ;
 
+: process-running? ( process -- ? ) process-status not ;
+
 SYMBOL: +command+
 SYMBOL: +arguments+
 SYMBOL: +detached+
@@ -34,6 +36,7 @@ SYMBOL: +stdin+
 SYMBOL: +stdout+
 SYMBOL: +stderr+
 SYMBOL: +closed+
+SYMBOL: +timeout+
 
 SYMBOL: +prepend-environment+
 SYMBOL: +replace-environment+
@@ -63,22 +66,30 @@ SYMBOL: +append-environment+
         { +replace-environment+ [ ] }
     } case ;
 
-GENERIC: >descriptor ( desc -- desc )
+: string-array? ( obj -- ? )
+    dup sequence? [ [ string? ] all? ] [ drop f ] if ;
 
-M: string >descriptor +command+ associate ;
-M: sequence >descriptor +arguments+ associate ;
-M: assoc >descriptor >hashtable ;
+: >descriptor ( desc -- desc )
+    {
+        { [ dup string? ] [ +command+ associate ] }
+        { [ dup string-array? ] [ +arguments+ associate ] }
+        { [ dup assoc? ] [ >hashtable ] }
+    } cond ;
 
 HOOK: run-process* io-backend ( desc -- handle )
 
 : wait-for-process ( process -- status )
-    dup process-handle [
-        dup [ processes get at push stop ] curry callcc0
-    ] when process-status ;
+    [
+        dup process-handle
+        [ dup [ processes get at push stop ] curry callcc0 ] when
+        dup process-killed?
+        [ "Process was killed" throw ] [ process-status ] if
+    ] with-timeout ;
 
 : run-process ( desc -- process )
     >descriptor
     dup run-process*
+    +timeout+ pick at [ over set-timeout ] when*
     +detached+ rot at [ dup wait-for-process drop ] unless ;
 
 : run-detached ( desc -- process )
@@ -87,7 +98,7 @@ HOOK: run-process* io-backend ( desc -- handle )
 TUPLE: process-failed code ;
 
 : process-failed ( code -- * )
-    process-failed construct-boa throw ;
+    \ process-failed construct-boa throw ;
 
 : try-process ( desc -- )
     run-process wait-for-process dup zero?
@@ -96,8 +107,13 @@ TUPLE: process-failed code ;
 HOOK: kill-process* io-backend ( handle -- )
 
 : kill-process ( process -- )
+    t over set-process-killed?
     process-handle [ kill-process* ] when* ;
 
+M: process get-lapse process-lapse ;
+
+M: process timed-out kill-process ;
+
 HOOK: process-stream* io-backend ( desc -- stream process )
 
 TUPLE: process-stream process ;

extra/io/nonblocking/nonblocking-docs.factor

@@ -38,8 +38,6 @@ $nl
 { $list
     { { $link port-handle } " - a native handle identifying the underlying native resource used by the port" }
     { { $link port-error } " - the most recent I/O error, if any. This error is thrown to the waiting thread when " { $link pending-error } " is called by stream operations" }
-    { { $link port-timeout } " - a timeout, specifying the maximum length of time, in milliseconds, for which input operations can block before throwing an error. A value of 0 denotes no timeout is desired." }
-    { { $link port-cutoff } " - the time when the current timeout expires; if no input data arrives before this time, an error is thrown" }
     { { $link port-type } " - a symbol identifying the port's intended purpose" }
     { { $link port-eof? } " - a flag indicating if the port has reached the end of file while reading" }
 } } ;

extra/io/nonblocking/nonblocking.factor

@@ -1,10 +1,10 @@
 ! Copyright (C) 2005, 2008 Slava Pestov, Doug Coleman
 ! See http://factorcode.org/license.txt for BSD license.
 IN: io.nonblocking
-USING: math kernel io sequences io.buffers generic sbufs system
-io.streams.lines io.streams.plain io.streams.duplex io.backend
-continuations debugger classes byte-arrays namespaces splitting
-dlists assocs ;
+USING: math kernel io sequences io.buffers io.timeouts generic
+sbufs system io.streams.lines io.streams.plain io.streams.duplex
+io.backend continuations debugger classes byte-arrays namespaces
+splitting dlists assocs ;
 
 SYMBOL: default-buffer-size
 64 1024 * default-buffer-size set-global
@@ -13,9 +13,12 @@ SYMBOL: default-buffer-size
 TUPLE: port
 handle
 error
-timeout-entry timeout cutoff
+lapse
 type eof? ;
 
+! Ports support the lapse protocol
+M: port get-lapse port-lapse ;
+
 SYMBOL: closed
 
 PREDICATE: port input-port port-type input-port eq? ;
@@ -26,12 +29,11 @@ GENERIC: close-handle ( handle -- )
 
 : <port> ( handle buffer type -- port )
     pick init-handle
-    0 0 {
+    <lapse> {
         set-port-handle
         set-delegate
         set-port-type
-        set-port-timeout
-        set-port-cutoff
+        set-port-lapse
     } port construct ;
 
 : <buffered-port> ( handle type -- port )
@@ -48,50 +50,14 @@ GENERIC: close-handle ( handle -- )
     [ >r <reader> r> <duplex-stream> ] [ ] [ dispose ]
     cleanup ;
 
-: timeout? ( port -- ? )
-    port-cutoff dup zero? not swap millis < and ;
-
 : pending-error ( port -- )
     dup port-error f rot set-port-error [ throw ] when* ;
 
-SYMBOL: timeout-queue
-
-timeout-queue global [ [ <dlist> ] unless* ] change-at
-
-: unqueue-timeout ( port -- )
-    port-timeout-entry [
-        timeout-queue get-global swap delete-node
-    ] when* ;
-
-: queue-timeout ( port -- )
-    dup timeout-queue get-global push-front*
-    swap set-port-timeout-entry ;
-
 HOOK: cancel-io io-backend ( port -- )
 
 M: object cancel-io drop ;
 
-: expire-timeouts ( -- )
-    timeout-queue get-global dup dlist-empty? [ drop ] [
-        dup peek-back timeout?
-        [ pop-back cancel-io expire-timeouts ] [ drop ] if
-    ] if ;
-
-: begin-timeout ( port -- )
-    dup port-timeout dup zero? [
-        2drop
-    ] [
-        millis + over set-port-cutoff
-        dup unqueue-timeout queue-timeout
-    ] if ;
-
-: end-timeout ( port -- )
-    unqueue-timeout ;
-
-: with-port-timeout ( port quot -- )
-    over begin-timeout keep end-timeout ; inline
-
-M: port set-timeout set-port-timeout ;
+M: port timed-out cancel-io ;
 
 GENERIC: (wait-to-read) ( port -- )
 

extra/io/streams/null/null.factor

@@ -1,12 +1,12 @@
 ! Copyright (C) 2007 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 IN: io.streams.null
-USING: kernel io continuations ;
+USING: kernel io io.timeouts continuations ;
 
 TUPLE: null-stream ;
 
 M: null-stream dispose drop ;
-M: null-stream set-timeout 2drop ;
+M: null-stream set-timeout drop ;
 M: null-stream stream-readln drop f ;
 M: null-stream stream-read1 drop f ;
 M: null-stream stream-read-until 2drop f f ;

extra/io/timeouts/timeouts-docs.factor

@@ -0,0 +1,32 @@
+IN: io.timeouts
+USING: help.markup help.syntax math kernel ;
+
+HELP: get-lapse
+{ $values { "obj" object } { "lapse" lapse } }
+{ $contract "Outputs an object's timeout lapse descriptor." } ;
+
+HELP: set-timeout
+{ $values { "ms" integer } { "obj" object } }
+{ $contract "Sets an object's timeout, in milliseconds." }
+{ $notes "The default implementation delegates the call to the object's timeout lapse descriptor." } ;
+
+HELP: timed-out
+{ $values { "obj" object } }
+{ $contract "Handles a timeout, usually by waking up all threads waiting on the object." } ;
+
+HELP: with-timeout
+{ $values { "obj" object } { "quot" "a quotation with stack effect " { $snippet "( obj -- )" } } }
+{ $description "Applies the quotation to the object. If the object's timeout expires before the quotation returns, " { $link timed-out } " is called on the object." } ;
+
+ARTICLE: "io.timeouts" "I/O timeout protocol"
+"Streams and processes support optional timeouts, which impose an upper bound on the length of time for which an operation on these objects can block. Timeouts are used in network servers to prevent malicious clients from holding onto connections forever, and to ensure that runaway processes get killed."
+{ $subsection set-timeout }
+"The I/O timeout protocol can be implemented by any class wishing to support timeouts on blocking operations."
+{ $subsection get-lapse }
+{ $subsection timed-out }
+"A combinator to be used in operations which can time out:"
+{ $subsection with-timeout }
+{ $see-also "stream-protocol" "io.launcher" }
+;
+
+ABOUT: "io.timeouts"

extra/io/timeouts/timeouts.factor

@@ -0,0 +1,76 @@
+! Copyright (C) 2008 Slava Pestov, Doug Coleman
+! See http://factorcode.org/license.txt for BSD license.
+USING: kernel math system dlists namespaces assocs init threads
+io.streams.duplex ;
+IN: io.timeouts
+
+TUPLE: lapse entry timeout cutoff ;
+
+: <lapse> f 0 0 \ lapse construct-boa ;
+
+! Won't need this with new slot accessors
+GENERIC: get-lapse ( obj -- lapse )
+
+GENERIC: set-timeout ( ms obj -- )
+
+M: object set-timeout get-lapse set-timeout ;
+
+M: lapse set-timeout set-lapse-timeout ;
+
+: timeout ( obj -- ms ) get-lapse lapse-timeout ;
+: entry ( obj -- dlist-node ) get-lapse lapse-entry ;
+: set-entry ( obj dlist-node -- ) get-lapse set-lapse-entry ;
+: cutoff ( obj -- ms ) get-lapse lapse-cutoff ;
+: set-cutoff ( ms obj -- ) get-lapse set-lapse-cutoff ;
+
+! Won't need this with inheritance
+TUPLE: duplex-stream-lapse stream ;
+
+M: duplex-stream-lapse set-timeout
+    duplex-stream-lapse-stream 2dup
+    duplex-stream-in set-timeout
+    duplex-stream-out set-timeout ;
+
+M: duplex-stream get-lapse duplex-stream-lapse construct-boa ;
+
+SYMBOL: timeout-queue
+
+: timeout? ( lapse -- ? )
+    cutoff dup zero? not swap millis < and ;
+
+timeout-queue global [ [ <dlist> ] unless* ] change-at
+
+: unqueue-timeout ( obj -- )
+    entry [
+        timeout-queue get-global swap delete-node
+    ] when* ;
+
+: queue-timeout ( obj -- )
+    dup timeout-queue get-global push-front*
+    swap set-entry ;
+
+GENERIC: timed-out ( obj -- )
+
+M: object timed-out drop ;
+
+: expire-timeouts ( -- )
+    timeout-queue get-global dup dlist-empty? [ drop ] [
+        dup peek-back timeout?
+        [ pop-back timed-out expire-timeouts ] [ drop ] if
+    ] if ;
+
+: begin-timeout ( obj -- )
+    dup timeout dup zero? [
+        2drop
+    ] [
+        millis + over set-cutoff
+        dup unqueue-timeout queue-timeout
+    ] if ;
+
+: with-timeout ( obj quot -- )
+    over begin-timeout keep unqueue-timeout ; inline
+
+: expiry-thread ( -- )
+    expire-timeouts 5000 sleep expiry-thread ;
+
+[ [ expiry-thread ] in-thread ] "io.timeouts" add-init-hook

extra/io/unix/backend/backend.factor

@@ -3,7 +3,7 @@
 USING: alien generic assocs kernel kernel.private math
 io.nonblocking sequences strings structs sbufs threads unix
 vectors io.buffers io.backend io.streams.duplex math.parser
-continuations system libc qualified namespaces ;
+continuations system libc qualified namespaces io.timeouts ;
 QUALIFIED: io
 IN: io.unix.backend
 
@@ -61,7 +61,7 @@ M: mx register-io-task ( task mx -- )
     mx get-global register-io-task stop ;
 
 : with-port-continuation ( port quot -- port )
-    [ callcc0 ] curry with-port-timeout ; inline
+    [ callcc0 ] curry with-timeout ; inline
 
 M: mx unregister-io-task ( task mx -- )
     fd/container delete-at drop ;
@@ -178,7 +178,7 @@ M: port port-flush ( port -- )
     dup buffer-empty? [ drop ] [ (wait-to-write) ] if ;
 
 M: unix-io io-multiplex ( ms -- )
-    expire-timeouts mx get-global wait-for-events ;
+    mx get-global wait-for-events ;
 
 M: unix-io init-stdio ( -- )
     0 1 handle>duplex-stream io:stdio set-global

extra/io/unix/launcher/launcher.factor

@@ -49,7 +49,7 @@ MEMO: 'arguments' ( -- parser )
 
 : redirect ( obj mode fd -- )
     {
-        { [ pick not ] [ 3drop ] }
+        { [ pick not ] [ 2nip F_SETFL 0 fcntl io-error ] }
         { [ pick +closed+ eq? ] [ close 2drop ] }
         { [ pick string? ] [ (redirect) ] }
     } cond ;

extra/io/unix/linux/linux.factor

@@ -1,9 +1,10 @@
 ! Copyright (C) 2008 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: kernel io.backend io.monitors io.monitors.private io.files
-io.buffers io.nonblocking io.unix.backend io.unix.select
-io.unix.launcher unix.linux.inotify assocs namespaces threads
-continuations init math alien.c-types alien vocabs.loader ;
+USING: kernel io.backend io.monitors io.monitors.private
+io.files io.buffers io.nonblocking io.timeouts io.unix.backend
+io.unix.select io.unix.launcher unix.linux.inotify assocs
+namespaces threads continuations init math alien.c-types alien
+vocabs.loader ;
 IN: io.unix.linux
 
 TUPLE: linux-io ;

extra/io/unix/unix.factor

@@ -1,4 +1,4 @@
-USING: io.unix.backend io.unix.files io.unix.sockets
+USING: io.unix.backend io.unix.files io.unix.sockets io.timeouts
 io.unix.launcher io.unix.mmap io.backend combinators namespaces
 system vocabs.loader ;
 

extra/io/windows/ce/sockets/sockets.factor

@@ -55,7 +55,7 @@ M: windows-ce-io accept ( server -- client )
             ] keep
         ] keep server-port-addr parse-sockaddr swap
         <win32-socket> dup handle>duplex-stream <client-stream>
-    ] with-port-timeout ;
+    ] with-timeout ;
 
 M: windows-ce-io <datagram> ( addrspec -- datagram )
     [

extra/io/windows/nt/backend/backend.factor

@@ -91,7 +91,7 @@ M: windows-nt-io cancel-io
     port-handle win32-file-handle CancelIo drop ;
 
 M: windows-nt-io io-multiplex ( ms -- )
-    expire-timeouts drain-overlapped ;
+    drain-overlapped ;
 
 M: windows-nt-io init-io ( -- )
     <master-completion-port> master-completion-port set-global

extra/io/windows/nt/files/files.factor

@@ -1,8 +1,8 @@
 USING: continuations destructors io.buffers io.files io.backend
-io.nonblocking io.windows io.windows.nt.backend kernel libc math
-threads windows windows.kernel32 alien.c-types alien.arrays
-sequences combinators combinators.lib sequences.lib ascii
-splitting alien strings ;
+io.timeouts io.nonblocking io.windows io.windows.nt.backend
+kernel libc math threads windows windows.kernel32 alien.c-types
+alien.arrays sequences combinators combinators.lib sequences.lib
+ascii splitting alien strings ;
 IN: io.windows.nt.files
 
 M: windows-nt-io cwd
@@ -98,7 +98,7 @@ M: windows-nt-io FileArgs-overlapped ( port -- overlapped )
     ] if ;
 
 : flush-output ( port -- )
-    [ [ (flush-output) ] with-port-timeout ] with-destructors ;
+    [ [ (flush-output) ] with-timeout ] with-destructors ;
 
 M: port port-flush
     dup buffer-empty? [ dup flush-output ] unless drop ;
@@ -122,4 +122,4 @@ M: port port-flush
     ] [ 2drop ] if ;
 
 M: input-port (wait-to-read) ( port -- )
-    [ [ ((wait-to-read)) ] with-port-timeout ] with-destructors ;
+    [ [ ((wait-to-read)) ] with-timeout ] with-destructors ;

extra/io/windows/nt/monitors/monitors.factor

@@ -3,8 +3,9 @@
 USING: alien.c-types destructors io.windows
 io.windows.nt.backend kernel math windows windows.kernel32
 windows.types libc assocs alien namespaces continuations
-io.monitors io.monitors.private io.nonblocking io.buffers io.files
-io sequences hashtables sorting arrays combinators ;
+io.monitors io.monitors.private io.nonblocking io.buffers
+io.files io.timeouts io sequences hashtables sorting arrays
+combinators ;
 IN: io.windows.nt.monitors
 
 : open-directory ( path -- handle )
@@ -52,7 +53,7 @@ M: windows-nt-io <monitor> ( path recursive? -- monitor )
             swap [ save-callback ] 2keep
             dup check-monitor ! we may have closed it...
             get-overlapped-result
-        ] with-port-timeout
+        ] with-timeout
     ] with-destructors ;
 
 : parse-action ( action -- changed )

extra/io/windows/nt/sockets/sockets.factor

@@ -1,6 +1,6 @@
 USING: alien alien.accessors alien.c-types byte-arrays
-continuations destructors io.nonblocking io io.sockets
-io.sockets.impl namespaces io.streams.duplex io.windows
+continuations destructors io.nonblocking io.timeouts io.sockets
+io.sockets.impl io namespaces io.streams.duplex io.windows
 io.windows.nt.backend windows.winsock kernel libc math sequences
 threads tuples.lib ;
 IN: io.windows.nt.sockets
@@ -139,7 +139,7 @@ M: windows-nt-io accept ( server -- client )
             AcceptEx-args-port pending-error
             dup duplex-stream-in pending-error
             dup duplex-stream-out pending-error
-        ] with-port-timeout
+        ] with-timeout
     ] with-destructors ;
 
 M: windows-nt-io <server> ( addrspec -- server )

extra/logging/insomniac/insomniac.factor

@@ -42,7 +42,7 @@ SYMBOL: insomniac-recipients
 : email-log-report ( service word-names -- )
     "logging.insomniac" [ (email-log-report) ] with-logging ;
 
-: schedule-insomniac ( alist -- )
+: schedule-insomniac ( service word-names -- )
     { 25 } { 6 } f f f <when> -rot [
         [ email-log-report ] assoc-each rotate-logs
     ] 2curry schedule ;

extra/logging/logging.factor

@@ -4,7 +4,7 @@ USING: logging.server sequences namespaces concurrency
 words kernel arrays shuffle tools.annotations
 prettyprint.config prettyprint debugger io.streams.string
 splitting continuations effects arrays.lib parser strings
-combinators.lib ;
+combinators.lib quotations ;
 IN: logging
 
 SYMBOL: DEBUG
@@ -112,9 +112,13 @@ PRIVATE>
 
 : log-critical ( error word -- ) CRITICAL (log-error) ;
 
+: stack-balancer ( effect word -- quot )
+    >r dup effect-in length r> [ over >r ERROR log-stack r> ndrop ] 2curry
+    swap effect-out length f <repetition> append >quotation ;
+
 : error-logging-quot ( quot word -- quot' )
-    dup stack-effect effect-in length
-    [ >r log-error r> ndrop ] 2curry
+    [ [ log-error ] curry ] keep
+    [ stack-effect ] keep stack-balancer compose
     [ recover ] 2curry ;
 
 : add-error-logging ( word level -- )

extra/logging/server/server.factor

@@ -84,7 +84,7 @@ SYMBOL: log-files
     (close-logs)
     log-root directory [ drop rotate-log ] assoc-each ;
 
-: log-server-loop
+: log-server-loop ( -- )
     [
         receive unclip {
             { "log-message" [ (log-message) ] }

extra/math/ratios/ratios-tests.factor

@@ -107,6 +107,6 @@ unit-test
 unit-test
 
 [ 3 ] [ "1+1/2" string>number 2 * ] unit-test
-[ -3 ] [ "-1+1/2" string>number 2 * ] unit-test
+[ -3 ] [ "-1-1/2" string>number 2 * ] unit-test
 [ "2+1/7" ] [ 1 7 / 2 + number>string ] unit-test
 [ "1/8" ] [ 1 8 / number>string ] unit-test

extra/smtp/server/server.factor

@@ -27,8 +27,8 @@
 ! bye
 ! Connection closed by foreign host.
 
-USING: combinators kernel prettyprint io io.server sequences
-namespaces io.sockets continuations ;
+USING: combinators kernel prettyprint io io.timeouts io.server
+sequences namespaces io.sockets continuations ;
 
 SYMBOL: data-mode
 

extra/smtp/smtp.factor

@@ -1,8 +1,9 @@
-! Copyright (C) 2007, 2008 Elie CHAFTARI, Dirk Vleugels, Slava Pestov.
+! Copyright (C) 2007, 2008 Elie CHAFTARI, Dirk Vleugels,
+! Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: namespaces io kernel logging io.sockets sequences
-combinators sequences.lib splitting assocs strings math.parser
-random system calendar ;
+USING: namespaces io io.timeouts kernel logging io.sockets
+sequences combinators sequences.lib splitting assocs strings
+math.parser random system calendar ;
 
 IN: smtp
 

extra/tools/annotations/annotations.factor

@@ -1,7 +1,8 @@
 ! Copyright (C) 2005, 2007 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: kernel words parser io inspector quotations sequences
-prettyprint continuations effects definitions compiler.units ;
+prettyprint continuations effects definitions compiler.units
+namespaces assocs ;
 IN: tools.annotations
 
 : reset ( word -- )
@@ -49,6 +50,16 @@ IN: tools.annotations
 : watch ( word -- )
     dup [ (watch) ] annotate ;
 
+: (watch-vars) ( quot word vars -- newquot )
+    [
+        "--- Entering: " write swap .
+        "--- Variable values:" print
+        [ dup get ] H{ } map>assoc describe
+    ] 2curry swap compose ;
+
+: watch-vars ( word vars -- )
+    dupd [ (watch-vars) ] 2curry annotate ;
+
 : breakpoint ( word -- )
     [ \ break add* ] annotate ;
 

extra/tools/test/test.factor

@@ -40,14 +40,8 @@ SYMBOL: this-test
     dup word? [ 1quotation ] when
     [ infer drop ] curry [ ] swap unit-test ;
 
-TUPLE: expected-error ;
-
-M: expected-error summary
-    drop
-    "The unit test expected the quotation to throw an error" ;
-
 : must-fail-with ( quot pred -- )
-    >r [ expected-error construct-empty throw ] compose r>
+    >r [ f ] compose r>
     [ recover ] 2curry
     [ t ] swap unit-test ;
 

extra/ui/backend/backend.factor

@@ -7,6 +7,10 @@ SYMBOL: ui-backend
 
 HOOK: set-title ui-backend ( string world -- )
 
+HOOK: set-fullscreen? ui-backend ( ? world -- )
+
+HOOK: fullscreen? ui-backend ( world -- ? )
+
 HOOK: (open-window) ui-backend ( world -- )
 
 HOOK: (close-window) ui-backend ( handle -- )

extra/ui/cocoa/cocoa.factor

@@ -1,6 +1,6 @@
 ! Copyright (C) 2006, 2007 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: arrays cocoa cocoa.application command-line
+USING: math arrays cocoa cocoa.application command-line
 kernel memory namespaces cocoa.messages cocoa.runtime
 cocoa.subclassing cocoa.pasteboard cocoa.types cocoa.windows
 cocoa.classes cocoa.application sequences system ui ui.backend
@@ -53,6 +53,18 @@ M: pasteboard set-clipboard-contents
 M: cocoa-ui-backend set-title ( string world -- )
     world-handle second swap <NSString> -> setTitle: ;
 
+: enter-fullscreen ( world -- )
+    world-handle first NSScreen -> mainScreen f -> enterFullScreenMode:withOptions: drop ;
+
+: exit-fullscreen ( world -- )
+    world-handle first f -> exitFullScreenModeWithOptions: ;
+
+M: cocoa-ui-backend set-fullscreen? ( ? world -- )
+    swap [ enter-fullscreen ] [ exit-fullscreen ] if ;
+
+M: cocoa-ui-backend fullscreen? ( world -- ? )
+    world-handle first -> isInFullScreenMode zero? not ;
+
 : auto-position ( world -- )
     dup world-loc { 0 0 } = [
         world-handle second -> center

extra/ui/gadgets/editors/editors.factor

@@ -363,9 +363,21 @@ editor "clipboard" f {
     { T{ cut-action } cut }
 } define-command-map
 
-: previous-character T{ char-elt } editor-prev ;
+: previous-character ( editor -- )
+    dup gadget-selection? [
+        dup selection-start/end drop
+        over set-caret mark>caret
+    ] [
+        T{ char-elt } editor-prev
+    ] if ;
 
-: next-character T{ char-elt } editor-next ;
+: next-character ( editor -- )
+    dup gadget-selection? [
+        dup selection-start/end nip
+        over set-caret mark>caret
+    ] [
+        T{ char-elt } editor-next
+    ] if ;
 
 : previous-line T{ line-elt } editor-prev ;
 

extra/ui/gadgets/worlds/worlds-docs.factor

@@ -13,6 +13,15 @@ HELP: set-title
 { $description "Sets the title bar of the native window containing the world." }
 { $notes "This word should not be called directly by user code. Instead, change the " { $link world-title } " model; see " { $link "models" } "." } ;
 
+HELP: set-fullscreen?
+{ $values { "?" "a boolean" } { "world" world } }
+{ $description "Sets and unsets fullscreen mode for the world." }
+{ $notes "Find a world using " { $link find-world } "." } ;
+
+HELP: fullscreen?
+{ $values { "world" world } { "?" "a boolean" } }
+{ $description "Queries the world to see if it is running in fullscreen mode." } ;
+
 HELP: raise-window
 { $values { "world" world } }
 { $description "Makes the native window containing the given world the front-most window." }

extra/ui/tools/walker/walker.factor

@@ -21,21 +21,21 @@ TUPLE: walker model interpreter history ;
 : walker-active? ( walker -- ? )
     walker-interpreter interpreter-continuation >boolean ;
 
-: walker-command ( gadget quot -- )
-    over walker-active? [ with-walker ] [ 2drop ] if ; inline
-
 : save-interpreter ( walker -- )
     dup walker-interpreter interpreter-continuation clone
     swap walker-history push ;
 
-: com-step ( walker -- )
-    dup save-interpreter [ step ] walker-command ;
+: walker-command ( gadget quot -- )
+    over walker-active? [
+        over save-interpreter
+        with-walker
+    ] [ 2drop ] if ; inline
 
-: com-into ( walker -- )
-    dup save-interpreter [ step-into ] walker-command ;
+: com-step ( walker -- ) [ step ] walker-command ;
 
-: com-out ( walker -- )
-    dup save-interpreter [ step-out ] walker-command ;
+: com-into ( walker -- ) [ step-into ] walker-command ;
+
+: com-out ( walker -- ) [ step-out ] walker-command ;
 
 : com-back ( walker -- )
     dup walker-history

extra/webapps/planet/planet.factor

@@ -86,8 +86,8 @@ SYMBOL: last-update
 \ fetch-feed DEBUG add-error-logging
 
 : fetch-blogroll ( blogroll -- entries )
-    dup 0 <column>
-    swap [ fetch-feed ] parallel-map
+    dup 0 <column> swap 1 <column>
+    [ fetch-feed ] parallel-map
     [ [ <posting> ] with map ] 2map concat ;
 
 : sort-entries ( entries -- entries' )
@@ -120,9 +120,6 @@ SYMBOL: last-update
     { "Doug Coleman" "http://code-factor.blogspot.com/feeds/posts/default" "http://code-factor.blogspot.com/" }
     { "Daniel Ehrenberg" "http://useless-factor.blogspot.com/feeds/posts/default" "http://useless-factor.blogspot.com/" }
     { "Gavin Harrison" "http://gmh33.blogspot.com/feeds/posts/default" "http://gmh33.blogspot.com/" }
-    { "Kevin Marshall"
-    "http://blog.botfu.com/?cat=9&feed=atom"
-    "http://blog.botfu.com/" }
     { "Kio M. Smallwood"
     "http://sekenre.wordpress.com/feed/atom/"
     "http://sekenre.wordpress.com/" }

misc/factor.el

@@ -131,10 +131,30 @@
   (comint-send-string "*factor*" (format "\"%s\"" (buffer-file-name)))
   (comint-send-string "*factor*" " run-file\n"))
 
+;; (defun factor-send-region (start end)
+;;   (interactive "r")
+;;   (comint-send-region "*factor*" start end)
+;;   (comint-send-string "*factor*" "\n"))
+
+(defun factor-send-string (str)
+  (let ((n (length (split-string str "\n"))))
+    (save-excursion
+      (set-buffer "*factor*")
+      (goto-char (point-max))
+      (if (> n 1) (newline))
+      (insert str)
+      (comint-send-input))))
+
 (defun factor-send-region (start end)
   (interactive "r")
-  (comint-send-region "*factor*" start end)
-  (comint-send-string "*factor*" "\n"))
+  (let ((str (buffer-substring start end))
+        (n   (count-lines      start end)))
+    (save-excursion
+      (set-buffer "*factor*")
+      (goto-char (point-max))
+      (if (> n 1) (newline))
+      (insert str)
+      (comint-send-input))))
 
 (defun factor-see ()
   (interactive)
@@ -153,6 +173,10 @@
   (comint-send-string "*factor*" "\\ ")
   (comint-send-string "*factor*" (thing-at-point 'sexp))
   (comint-send-string "*factor*" " edit\n"))
+
+(defun factor-clear ()
+  (interactive)
+  (factor-send-string "clear"))
   
 (defun factor-comment-line ()
   (interactive)

vm/debug.c

@@ -21,7 +21,7 @@ void print_word(F_WORD* word, CELL nesting)
 	else
 	{
 		printf("#<not a string: ");
-		print_nested_obj(word->name,nesting - 1);
+		print_nested_obj(word->name,nesting);
 		printf(">");
 	}
 }
@@ -44,13 +44,13 @@ void print_array(F_ARRAY* array, CELL nesting)
 	for(i = 0; i < length; i++)
 	{
 		printf(" ");
-		print_nested_obj(array_nth(array,i),nesting - 1);
+		print_nested_obj(array_nth(array,i),nesting);
 	}
 }
 
-void print_nested_obj(CELL obj, CELL nesting)
+void print_nested_obj(CELL obj, F_FIXNUM nesting)
 {
-	if(nesting == 0)
+	if(nesting <= 0)
 	{
 		printf(" ... ");
 		return;
@@ -204,7 +204,7 @@ void dump_objects(F_FIXNUM type)
 		if(type == -1 || type_of(obj) == type)
 		{
 			printf("%lx ",obj);
-			print_nested_obj(obj,1);
+			print_nested_obj(obj,2);
 			printf("\n");
 		}
 	}
@@ -213,36 +213,58 @@ void dump_objects(F_FIXNUM type)
 	gc_off = false;
 }
 
-CELL obj;
-CELL look_for;
-
-void find_references_step(CELL *scan)
+void find_data_references(CELL look_for)
 {
-	if(look_for == *scan)
+	CELL obj;
+
+	void find_references_step(CELL *scan)
 	{
-		printf("%lx ",obj);
-		print_nested_obj(obj,1);
-		printf("\n");
+		if(look_for == *scan)
+		{
+			printf("%lx ",obj);
+			print_nested_obj(obj,2);
+			printf("\n");
+		}
 	}
-}
-
-void find_references(CELL look_for_)
-{
-	look_for = look_for_;
 
 	begin_scan();
 
-	CELL obj_;
-	while((obj_ = next_object()) != F)
-	{
-		obj = obj_;
-		do_slots(obj_,find_references_step);
-	}
+	while((obj = next_object()) != F)
+		do_slots(UNTAG(obj),find_references_step);
 
 	/* end scan */
 	gc_off = false;
 }
 
+void find_code_references(CELL look_for)
+{
+	void find_references_step(F_COMPILED *compiled, CELL code_start,
+		CELL reloc_start, CELL literals_start)
+	{
+		CELL scan;
+		CELL literal_end = literals_start + compiled->literals_length;
+
+		for(scan = literals_start; scan < literal_end; scan += CELLS)
+		{
+			CELL code_start = (CELL)(compiled + 1);
+			CELL literal_start = code_start
+				+ compiled->code_length
+				+ compiled->reloc_length;
+
+			CELL obj = get(literal_start);
+
+			if(look_for == get(scan))
+			{
+				printf("%lx ",obj);
+				print_nested_obj(obj,2);
+				printf("\n");
+			}
+		}
+	}
+
+	iterate_code_heap(find_references_step);
+}
+
 void factorbug(void)
 {
 	reset_stdio();
@@ -265,6 +287,9 @@ void factorbug(void)
 	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");
 
 	for(;;)
@@ -335,8 +360,26 @@ void factorbug(void)
 			save_image(STR_FORMAT("fep.image"));
 		else if(strcmp(cmd,"data") == 0)
 			dump_objects(-1);
+		else if(strcmp(cmd,"refs") == 0)
+		{
+			CELL addr;
+			scanf("%lx",&addr);
+			printf("Data heap references:\n");
+			find_data_references(addr);
+			printf("Code heap references:\n");
+			find_code_references(addr);
+			printf("\n");
+		}
 		else if(strcmp(cmd,"words") == 0)
 			dump_objects(WORD_TYPE);
+		else if(strcmp(cmd,"tuples") == 0)
+			dump_objects(TUPLE_TYPE);
+		else if(strcmp(cmd,"push") == 0)
+		{
+			CELL addr;
+			scanf("%lx",&addr);
+			dpush(addr);
+		}
 		else if(strcmp(cmd,"code") == 0)
 			dump_heap(&code_heap);
 		else

vm/debug.h

@@ -1,5 +1,5 @@
 void print_obj(CELL obj);
-void print_nested_obj(CELL obj, CELL nesting);
+void print_nested_obj(CELL obj, F_FIXNUM nesting);
 void dump_generations(void);
 void factorbug(void);
 

vm/factor.c

@@ -154,6 +154,8 @@ void init_factor_from_args(F_CHAR *image, int argc, F_CHAR **argv, bool embedded
 
 	init_factor(&p);
 
+	nest_stacks();
+
 	F_ARRAY *args = allot_array(ARRAY_TYPE,argc,F);
 
 	for(i = 1; i < argc; i++)
@@ -173,8 +175,6 @@ void init_factor_from_args(F_CHAR *image, int argc, F_CHAR **argv, bool embedded
 	userenv[EXECUTABLE_ENV] = tag_object(from_native_string(executable_path));
 	userenv[EMBEDDED_ENV] = (embedded ? T : F);
 
-	nest_stacks();
-
 	if(p.console)
 		open_console();