1 ! Copyright (C) 2008 Jose Antonio Ortega Ruiz.
2 ! See http://factorcode.org/license.txt for BSD license.
4 USING: accessors arrays classes classes.tuple compiler.units
5 combinators continuations debugger definitions eval help
6 io io.files io.streams.string kernel lexer listener listener.private
7 make math namespaces parser prettyprint prettyprint.config
8 quotations sequences strings source-files vectors vocabs.loader ;
14 TUPLE: fuel-status in use ds? restarts ;
16 SYMBOL: fuel-status-stack
17 V{ } clone fuel-status-stack set-global
19 SYMBOL: fuel-eval-result
20 f clone fuel-eval-result set-global
22 SYMBOL: fuel-eval-output
23 f clone fuel-eval-result set-global
25 SYMBOL: fuel-eval-res-flag
26 t clone fuel-eval-res-flag set-global
28 : fuel-eval-restartable? ( -- ? )
29 fuel-eval-res-flag get-global ; inline
31 : fuel-eval-restartable ( -- )
32 t fuel-eval-res-flag set-global ; inline
34 : fuel-eval-non-restartable ( -- )
35 f fuel-eval-res-flag set-global ; inline
37 : push-fuel-status ( -- )
38 in get use get clone display-stacks? get restarts get-global clone
40 fuel-status-stack get push ;
42 : pop-fuel-status ( -- )
43 fuel-status-stack get empty? [
44 fuel-status-stack get pop {
46 [ use>> clone use set ]
47 [ ds?>> display-stacks? swap [ on ] [ off ] if ]
49 restarts>> fuel-eval-restartable? [ drop ] [
50 clone restarts set-global
57 ! Lispy pretty printing
59 GENERIC: fuel-pprint ( obj -- )
61 M: object fuel-pprint pprint ; inline
63 M: f fuel-pprint drop "nil" write ; inline
65 M: integer fuel-pprint pprint ; inline
67 M: string fuel-pprint pprint ; inline
69 M: sequence fuel-pprint
70 dup empty? [ drop f fuel-pprint ] [
72 [ " " write ] [ fuel-pprint ] interleave
76 M: tuple fuel-pprint tuple>array fuel-pprint ; inline
78 M: continuation fuel-pprint drop ":continuation" write ; inline
80 M: restart fuel-pprint name>> fuel-pprint ; inline
84 : fuel-restarts ( obj -- seq )
85 compute-restarts :restarts prefix ; inline
87 M: condition fuel-pprint
88 [ error>> ] [ fuel-restarts ] bi 2array condition prefix fuel-pprint ;
90 M: source-file-error fuel-pprint
91 [ file>> ] [ error>> ] bi 2array source-file-error prefix
94 M: source-file fuel-pprint path>> fuel-pprint ;
96 ! Evaluation vocabulary
98 : fuel-eval-set-result ( obj -- )
99 clone fuel-eval-result set-global ; inline
103 fuel-eval-result get-global
104 fuel-eval-output get-global
107 : fuel-forget-error ( -- ) f error set-global ; inline
108 : fuel-forget-result ( -- ) f fuel-eval-result set-global ; inline
109 : fuel-forget-output ( -- ) f fuel-eval-output set-global ; inline
111 : (fuel-begin-eval) ( -- )
118 : (fuel-end-eval) ( quot -- )
119 with-string-writer fuel-eval-output set-global
120 fuel-retort pop-fuel-status ; inline
122 : (fuel-eval) ( lines -- )
123 [ [ parse-lines ] with-compilation-unit call ] curry
124 [ print-error ] recover ; inline
126 : (fuel-eval-each) ( lines -- )
127 [ 1vector (fuel-eval) ] each ; inline
129 : (fuel-eval-usings) ( usings -- )
130 [ "USING: " prepend " ;" append ] map
131 (fuel-eval-each) fuel-forget-error fuel-forget-output ;
133 : (fuel-eval-in) ( in -- )
134 [ dup "IN: " prepend 1vector (fuel-eval) in set ] when* ; inline
136 : fuel-eval-in-context ( lines in usings -- )
143 : fuel-begin-eval ( in -- )
148 : fuel-eval ( lines -- )
149 (fuel-begin-eval) [ (fuel-eval) ] (fuel-end-eval) ; inline
151 : fuel-end-eval ( -- ) [ ] (fuel-end-eval) ; inline
153 : fuel-get-edit-location ( defspec -- )
154 where [ first2 [ (normalize-path) ] dip 2array fuel-eval-set-result ]
157 : fuel-run-file ( path -- ) run-file ; inline
159 : fuel-startup ( -- ) "listener" run ; inline