! Copyright (C) 2003, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
-USING: arrays hashtables io kernel math math.parser memory
-namespaces parser lexer sequences strings io.styles
-vectors words generic system combinators continuations debugger
-definitions compiler.units accessors colors prettyprint fry
-sets vocabs.parser source-files.errors locals vocabs vocabs.loader
-parser.notes ;
+USING: accessors colors combinators.short-circuit
+compiler.units continuations debugger fry io io.styles kernel lexer
+math math.parser namespaces parser parser.notes prettyprint
+sequences sets source-files.errors system vocabs vocabs.loader
+vocabs.parser ;
IN: listener
GENERIC: stream-read-quot ( stream -- quot/f )
-GENERIC# prompt. 1 ( stream prompt -- )
+GENERIC#: prompt. 1 ( stream prompt -- )
: prompt ( -- str )
- manifest get current-vocab>> [ name>> ] [ "" ] if*
- auto-use? get [ " - auto" append ] when "( " " )" surround ;
+ manifest get current-vocab>> [ name>> "IN: " prepend ] [ "" ] if*
+ auto-use? get [ dup empty? "" " " ? "auto-use" 3append ] when ;
+
+SYMBOL: prompt-style
+H{
+ { background T{ rgba f 1 0.7 0.7 1 } }
+ { foreground COLOR: black }
+} prompt-style set-global
M: object prompt.
- nip H{ { background T{ rgba f 1 0.7 0.7 1 } } } format bl
- flush ;
+ nip [ prompt-style get-global format bl ] unless-empty ;
+
+SYMBOL: handle-ctrl-break
+
+: maybe-enable-ctrl-break ( -- )
+ handle-ctrl-break get-global [ enable-ctrl-break ] when ;
+
+: with-ctrl-break ( quot -- )
+ maybe-enable-ctrl-break
+ ! Always call disable-ctrl-break, no matter what handle-ctrl-break
+ ! says: it might've been changed just now by the user in the Listener.
+ ! It's a no-op if it's not enabled.
+ [ disable-ctrl-break ] finally ; inline
: parse-lines-interactive ( lines -- quot/f )
- [ parse-lines ] with-compilation-unit ;
+ [ [ parse-lines ] with-ctrl-break ] with-compilation-unit ;
: read-quot-step ( lines -- quot/f )
- [ parse-lines-interactive ] [
- dup error>> unexpected-eof?
- [ 2drop f ] [ rethrow ] if
- ] recover ;
+ '[ _ parse-lines-interactive ]
+ [ error>> unexpected-eof? ] ignore-error/f ;
: read-quot-loop ( stream accum -- quot/f )
over stream-readln dup [
: call-error-hook ( error -- )
error-continuation get error-hook get
- call( continuation error -- ) ;
+ call( error continuation -- ) ;
[ drop print-error-and-restarts ] error-hook set-global
] dip
] when stack. ;
-: datastack. ( datastack -- )
- display-stacks? get [
- [ nl "--- Data stack:" title. trimmed-stack. ] unless-empty
- ] [ drop ] if ;
+: ?datastack. ( datastack -- )
+ display-stacks? get [ datastack. ] [ drop ] if ;
-:: (listener) ( datastack -- )
- parser-quiet? off
+:: listener-step ( datastack -- datastack' )
error-summary? get [ error-summary ] when
visible-vars.
- datastack datastack.
+ datastack ?datastack.
input-stream get prompt prompt.
-
+ flush
[
read-quot [
- '[ datastack _ with-datastack ]
+ '[ [ datastack _ with-datastack ] with-ctrl-break ]
[ call-error-hook datastack ]
recover
] [ return ] if*
[ call-error-hook datastack ]
[ rethrow ]
if
- ] recover
+ ] recover ;
- (listener) ;
+: listener-loop ( datastack -- )
+ listener-step listener-loop ;
PRIVATE>
"tools.dispatch"
"tools.errors"
"tools.memory"
- "tools.profiler"
+ "tools.profiler.sampling"
"tools.test"
"tools.threads"
"tools.time"
"vocabs.refresh"
"vocabs.hierarchy"
"words"
- "scratchpad"
} interactive-vocabs set-global
-: only-use-vocabs ( vocabs -- )
- clear-manifest
- [ lookup-vocab ] filter
- [
- lookup-vocab
+: loaded-vocab? ( vocab-spec -- ? )
+ {
[ find-vocab-root not ]
- [ source-loaded?>> +done+ eq? ] bi or
- ] filter
- [ use-vocab ] each ;
+ [ source-loaded?>> +done+ eq? ]
+ } 1|| ;
+
+: use-loaded-vocabs ( vocabs -- )
+ [
+ lookup-vocab [
+ dup loaded-vocab? [ use-vocab ] [ drop ] if
+ ] when*
+ ] each ;
: with-interactive-vocabs ( quot -- )
[
"scratchpad" set-current-vocab
- interactive-vocabs get only-use-vocabs
+ interactive-vocabs get use-loaded-vocabs
call
] with-manifest ; inline
: listener ( -- )
- [ [ { } (listener) ] with-return ] with-interactive-vocabs ;
+ [
+ parser-quiet? off
+ [ { } listener-loop ] with-return
+ ] with-interactive-vocabs ;
+
+: listener-main ( -- )
+ "q" get [ version-info print flush ] unless listener ;
-MAIN: listener
+MAIN: listener-main