254 lines
7.0 KiB
Factor
254 lines
7.0 KiB
Factor
! Copyright (C) 2004, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien arrays byte-arrays definitions generic
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hashtables kernel math namespaces parser lexer sequences strings
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strings.parser sbufs vectors words words.symbol words.constant
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words.alias quotations io assocs splitting classes.tuple
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generic.standard generic.math generic.parser classes
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io.pathnames vocabs vocabs.parser classes.parser classes.union
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classes.intersection classes.mixin classes.predicate
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classes.singleton classes.tuple.parser compiler.units
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combinators effects.parser slots ;
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IN: bootstrap.syntax
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! These words are defined as a top-level form, instead of with
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! defining parsing words, because during stage1 bootstrap, the
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! "syntax" vocabulary is copied from the host. When stage1
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! bootstrap completes, the host's syntax vocabulary is deleted
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! from the target, then this top-level form creates the
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! target's "syntax" vocabulary as one of the first things done
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! in stage2.
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: define-delimiter ( name -- )
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"syntax" lookup t "delimiter" set-word-prop ;
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: define-core-syntax ( name quot -- )
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[ dup "syntax" lookup [ ] [ no-word-error ] ?if ] dip
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define-syntax ;
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[
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{ "]" "}" ";" ">>" } [ define-delimiter ] each
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"PRIMITIVE:" [
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"Primitive definition is not supported" throw
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] define-core-syntax
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"CS{" [
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"Call stack literals are not supported" throw
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] define-core-syntax
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"!" [ lexer get next-line ] define-core-syntax
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"#!" [ POSTPONE: ! ] define-core-syntax
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"IN:" [ scan set-in ] define-core-syntax
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"PRIVATE>" [ in get ".private" ?tail drop set-in ] define-core-syntax
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"<PRIVATE" [
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POSTPONE: PRIVATE> in get ".private" append set-in
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] define-core-syntax
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"USE:" [ scan use+ ] define-core-syntax
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"USING:" [ ";" parse-tokens add-use ] define-core-syntax
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"QUALIFIED:" [ scan dup add-qualified ] define-core-syntax
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"QUALIFIED-WITH:" [ scan scan add-qualified ] define-core-syntax
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"FROM:" [
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scan "=>" expect ";" parse-tokens swap add-words-from
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] define-core-syntax
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"EXCLUDE:" [
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scan "=>" expect ";" parse-tokens swap add-words-excluding
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] define-core-syntax
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"RENAME:" [
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scan scan "=>" expect scan add-renamed-word
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] define-core-syntax
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"HEX:" [ 16 parse-base ] define-core-syntax
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"OCT:" [ 8 parse-base ] define-core-syntax
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"BIN:" [ 2 parse-base ] define-core-syntax
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"f" [ f parsed ] define-core-syntax
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"t" "syntax" lookup define-singleton-class
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"CHAR:" [
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scan {
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{ [ dup length 1 = ] [ first ] }
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{ [ "\\" ?head ] [ next-escape >string "" assert= ] }
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[ name>char-hook get call( name -- char ) ]
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} cond parsed
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] define-core-syntax
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"\"" [ parse-string parsed ] define-core-syntax
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"SBUF\"" [
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lexer get skip-blank parse-string >sbuf parsed
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] define-core-syntax
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"P\"" [
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lexer get skip-blank parse-string <pathname> parsed
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] define-core-syntax
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"[" [ parse-quotation parsed ] define-core-syntax
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"{" [ \ } [ >array ] parse-literal ] define-core-syntax
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"V{" [ \ } [ >vector ] parse-literal ] define-core-syntax
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"B{" [ \ } [ >byte-array ] parse-literal ] define-core-syntax
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"H{" [ \ } [ >hashtable ] parse-literal ] define-core-syntax
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"T{" [ parse-tuple-literal parsed ] define-core-syntax
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"W{" [ \ } [ first <wrapper> ] parse-literal ] define-core-syntax
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"POSTPONE:" [ scan-word parsed ] define-core-syntax
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"\\" [ scan-word <wrapper> parsed ] define-core-syntax
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"M\\" [ scan-word scan-word method <wrapper> parsed ] define-core-syntax
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"inline" [ word make-inline ] define-core-syntax
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"recursive" [ word make-recursive ] define-core-syntax
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"foldable" [ word make-foldable ] define-core-syntax
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"flushable" [ word make-flushable ] define-core-syntax
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"delimiter" [ word t "delimiter" set-word-prop ] define-core-syntax
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"SYNTAX:" [
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CREATE-WORD parse-definition define-syntax
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] define-core-syntax
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"SYMBOL:" [
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CREATE-WORD define-symbol
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] define-core-syntax
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"SYMBOLS:" [
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";" parse-tokens
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[ create-in dup reset-generic define-symbol ] each
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] define-core-syntax
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"SINGLETONS:" [
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";" parse-tokens
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[ create-class-in define-singleton-class ] each
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] define-core-syntax
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"DEFER:" [
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scan current-vocab create
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[ fake-definition ] [ set-word ] [ [ undefined ] define ] tri
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] define-core-syntax
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"ALIAS:" [
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CREATE-WORD scan-word define-alias
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] define-core-syntax
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"CONSTANT:" [
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CREATE-WORD scan-object define-constant
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] define-core-syntax
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":" [
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(:) define-declared
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] define-core-syntax
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"GENERIC:" [
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[ simple-combination ] (GENERIC:)
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] define-core-syntax
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"GENERIC#" [
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[ scan-word <standard-combination> ] (GENERIC:)
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] define-core-syntax
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"MATH:" [
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[ math-combination ] (GENERIC:)
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] define-core-syntax
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"HOOK:" [
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[ scan-word <hook-combination> ] (GENERIC:)
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] define-core-syntax
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"M:" [
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(M:) define
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] define-core-syntax
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"UNION:" [
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CREATE-CLASS parse-definition define-union-class
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] define-core-syntax
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"INTERSECTION:" [
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CREATE-CLASS parse-definition define-intersection-class
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] define-core-syntax
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"MIXIN:" [
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CREATE-CLASS define-mixin-class
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] define-core-syntax
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"INSTANCE:" [
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location [
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scan-word scan-word 2dup add-mixin-instance
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<mixin-instance>
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] dip remember-definition
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] define-core-syntax
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"PREDICATE:" [
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CREATE-CLASS
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scan "<" assert=
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scan-word
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parse-definition define-predicate-class
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] define-core-syntax
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"SINGLETON:" [
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CREATE-CLASS define-singleton-class
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] define-core-syntax
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"TUPLE:" [
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parse-tuple-definition define-tuple-class
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] define-core-syntax
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"SLOT:" [
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scan define-protocol-slot
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] define-core-syntax
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"C:" [
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CREATE-WORD scan-word define-boa-word
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] define-core-syntax
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"ERROR:" [
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parse-tuple-definition
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pick save-location
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define-error-class
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] define-core-syntax
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"FORGET:" [
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scan-object forget
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] define-core-syntax
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"(" [
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")" parse-effect drop
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] define-core-syntax
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"((" [
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"))" parse-effect parsed
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] define-core-syntax
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"MAIN:" [ scan-word in get vocab (>>main) ] define-core-syntax
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"<<" [
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[
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\ >> parse-until >quotation
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] with-nested-compilation-unit call( -- )
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] define-core-syntax
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"call-next-method" [
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current-method get [
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literalize parsed
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\ (call-next-method) parsed
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] [
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not-in-a-method-error
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] if*
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] define-core-syntax
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"initial:" "syntax" lookup define-symbol
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"read-only" "syntax" lookup define-symbol
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"call(" [ \ call-effect parse-call( ] define-core-syntax
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"execute(" [ \ execute-effect parse-call( ] define-core-syntax
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] with-compilation-unit
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