1 ! Copyright (C) 2004, 2010 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays byte-arrays byte-vectors
4 classes.algebra.private classes.builtin classes.intersection
5 classes.maybe classes.mixin classes.parser classes.predicate
6 classes.singleton classes.tuple classes.tuple.parser
7 classes.union combinators compiler.units definitions effects
8 effects.parser generic generic.hook generic.math generic.parser
9 generic.standard hash-sets hashtables io.pathnames kernel lexer
10 math namespaces parser quotations sbufs sequences slots
11 source-files splitting strings strings.parser vectors vocabs
12 vocabs.parser words words.alias words.constant words.symbol ;
15 ! These words are defined as a top-level form, instead of with
16 ! defining parsing words, because during stage1 bootstrap, the
17 ! "syntax" vocabulary is copied from the host. When stage1
18 ! bootstrap completes, the host's syntax vocabulary is deleted
19 ! from the target, then this top-level form creates the
20 ! target's "syntax" vocabulary as one of the first things done
23 : define-delimiter ( name -- )
24 "syntax" lookup-word t "delimiter" set-word-prop ;
26 : define-core-syntax ( name quot -- )
27 [ dup "syntax" lookup-word [ ] [ no-word-error ] ?if ] dip
31 { "]" "}" ";" ">>" } [ define-delimiter ] each
34 "Primitive definition is not supported" throw
38 "Call stack literals are not supported" throw
41 "!" [ lexer get next-line ] define-core-syntax
43 "#!" [ POSTPONE: ! ] define-core-syntax
45 "IN:" [ scan-token set-current-vocab ] define-core-syntax
47 "<PRIVATE" [ begin-private ] define-core-syntax
49 "PRIVATE>" [ end-private ] define-core-syntax
51 "USE:" [ scan-token use-vocab ] define-core-syntax
53 "UNUSE:" [ scan-token unuse-vocab ] define-core-syntax
55 "USING:" [ ";" [ use-vocab ] each-token ] define-core-syntax
57 "QUALIFIED:" [ scan-token dup add-qualified ] define-core-syntax
59 "QUALIFIED-WITH:" [ scan-token scan-token add-qualified ] define-core-syntax
62 scan-token "=>" expect ";" parse-tokens add-words-from
66 scan-token "=>" expect ";" parse-tokens add-words-excluding
70 scan-token scan-token "=>" expect scan-token add-renamed-word
73 "NAN:" [ 16 scan-base <fp-nan> suffix! ] define-core-syntax
75 "f" [ f suffix! ] define-core-syntax
79 { [ dup length 1 = ] [ first ] }
80 { [ "\\" ?head ] [ next-escape >string "" assert= ] }
81 [ name>char-hook get call( name -- char ) ]
85 "\"" [ parse-multiline-string suffix! ] define-core-syntax
88 lexer get skip-blank parse-string >sbuf suffix!
92 lexer get skip-blank parse-string <pathname> suffix!
95 "[" [ parse-quotation suffix! ] define-core-syntax
96 "{" [ \ } [ >array ] parse-literal ] define-core-syntax
97 "V{" [ \ } [ >vector ] parse-literal ] define-core-syntax
98 "B{" [ \ } [ >byte-array ] parse-literal ] define-core-syntax
99 "BV{" [ \ } [ >byte-vector ] parse-literal ] define-core-syntax
100 "H{" [ \ } [ parse-hashtable ] parse-literal ] define-core-syntax
101 "T{" [ parse-tuple-literal suffix! ] define-core-syntax
102 "W{" [ \ } [ first <wrapper> ] parse-literal ] define-core-syntax
103 "HS{" [ \ } [ >hash-set ] parse-literal ] define-core-syntax
105 "POSTPONE:" [ scan-word suffix! ] define-core-syntax
106 "\\" [ scan-word <wrapper> suffix! ] define-core-syntax
107 "M\\" [ scan-word scan-word lookup-method <wrapper> suffix! ] define-core-syntax
108 "inline" [ last-word make-inline ] define-core-syntax
109 "recursive" [ last-word make-recursive ] define-core-syntax
110 "foldable" [ last-word make-foldable ] define-core-syntax
111 "flushable" [ last-word make-flushable ] define-core-syntax
112 "delimiter" [ last-word t "delimiter" set-word-prop ] define-core-syntax
113 "deprecated" [ last-word make-deprecated ] define-core-syntax
116 scan-new-word parse-definition define-syntax
121 current-vocab lookup-word
122 (parse-tuple-definition) 2drop check-builtin
126 scan-new-word define-symbol
130 ";" [ create-in [ reset-generic ] [ define-symbol ] bi ] each-token
134 ";" [ create-class-in define-singleton-class ] each-token
138 scan-token current-vocab create
139 [ fake-definition ] [ set-last-word ] [ undefined-def define ] tri
143 scan-new-word scan-word define-alias
147 scan-new-word scan-object define-constant
155 [ simple-combination ] (GENERIC:)
159 [ scan-number <standard-combination> ] (GENERIC:)
163 [ math-combination ] (GENERIC:)
167 [ scan-word <hook-combination> ] (GENERIC:)
175 scan-new-class parse-definition define-union-class
179 scan-new-class parse-definition define-intersection-class
183 scan-new-class define-mixin-class
188 scan-word scan-word 2dup add-mixin-instance
190 ] dip remember-definition
197 parse-definition define-predicate-class
201 scan-new-class define-singleton-class
205 parse-tuple-definition define-tuple-class
213 scan-token define-protocol-slot
217 scan-new-word scan-word define-boa-word
221 parse-tuple-definition
231 ")" parse-effect suffix!
236 dup ( -- ) check-stack-effect
237 [ current-vocab main<< ]
238 [ file get [ main<< ] [ drop ] if* ] bi
243 \ >> parse-until >quotation
244 ] with-nested-compilation-unit call( -- )
250 \ (call-next-method) suffix!
252 not-in-a-method-error
257 \ } [ <anonymous-union> <maybe> ] parse-literal
261 \ } [ <anonymous-union> <anonymous-complement> ] parse-literal
265 \ } [ <anonymous-intersection> ] parse-literal
269 \ } [ <anonymous-union> ] parse-literal
272 "initial:" "syntax" lookup-word define-symbol
274 "read-only" "syntax" lookup-word define-symbol
276 "call(" [ \ call-effect parse-call( ] define-core-syntax
278 "execute(" [ \ execute-effect parse-call( ] define-core-syntax
280 "<<<<<<<" [ version-control-merge-conflict ] define-core-syntax
281 "=======" [ version-control-merge-conflict ] define-core-syntax
282 ">>>>>>>" [ version-control-merge-conflict ] define-core-syntax
284 "<<<<<<" [ version-control-merge-conflict ] define-core-syntax
285 "======" [ version-control-merge-conflict ] define-core-syntax
286 ">>>>>>" [ version-control-merge-conflict ] define-core-syntax
287 ] with-compilation-unit