189 lines
5.4 KiB
Factor
Executable File
189 lines
5.4 KiB
Factor
Executable File
! Copyright (C) 2004, 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien arrays bit-arrays bit-vectors byte-arrays
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byte-vectors definitions generic hashtables kernel math
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namespaces parser sequences strings sbufs vectors words
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quotations io assocs splitting tuples generic.standard
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generic.math classes io.files vocabs float-arrays float-vectors
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classes.union classes.mixin classes.predicate compiler.units
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combinators ;
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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-syntax ( name quot -- )
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>r "syntax" lookup dup r> define t "parsing" set-word-prop ;
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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-syntax
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"CS{" [
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"Call stack literals are not supported" throw
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] define-syntax
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"!" [ lexer get next-line ] define-syntax
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"#!" [ POSTPONE: ! ] define-syntax
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"IN:" [ scan set-in ] define-syntax
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"PRIVATE>" [ in get ".private" ?tail drop set-in ] define-syntax
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"<PRIVATE" [
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POSTPONE: PRIVATE> in get ".private" append set-in
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] define-syntax
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"USE:" [ scan use+ ] define-syntax
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"USING:" [ ";" parse-tokens add-use ] define-syntax
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"HEX:" [ 16 parse-base ] define-syntax
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"OCT:" [ 8 parse-base ] define-syntax
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"BIN:" [ 2 parse-base ] define-syntax
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"f" [ f parsed ] define-syntax
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"t" "syntax" lookup define-symbol
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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 drop ] }
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{ [ t ] [ name>char-hook get call ] }
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} cond parsed
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] define-syntax
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"\"" [ parse-string parsed ] define-syntax
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"SBUF\"" [
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lexer get skip-blank parse-string >sbuf parsed
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] define-syntax
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"P\"" [
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lexer get skip-blank parse-string <pathname> parsed
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] define-syntax
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"[" [ \ ] [ >quotation ] parse-literal ] define-syntax
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"{" [ \ } [ >array ] parse-literal ] define-syntax
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"V{" [ \ } [ >vector ] parse-literal ] define-syntax
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"B{" [ \ } [ >byte-array ] parse-literal ] define-syntax
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"BV{" [ \ } [ >byte-vector ] parse-literal ] define-syntax
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"?{" [ \ } [ >bit-array ] parse-literal ] define-syntax
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"?V{" [ \ } [ >bit-vector ] parse-literal ] define-syntax
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"F{" [ \ } [ >float-array ] parse-literal ] define-syntax
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"FV{" [ \ } [ >float-vector ] parse-literal ] define-syntax
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"H{" [ \ } [ >hashtable ] parse-literal ] define-syntax
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"T{" [ \ } [ >tuple ] parse-literal ] define-syntax
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"W{" [ \ } [ first <wrapper> ] parse-literal ] define-syntax
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"POSTPONE:" [ scan-word parsed ] define-syntax
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"\\" [ scan-word literalize parsed ] define-syntax
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"inline" [ word make-inline ] define-syntax
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"foldable" [ word make-foldable ] define-syntax
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"flushable" [ word make-flushable ] define-syntax
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"delimiter" [ word t "delimiter" set-word-prop ] define-syntax
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"parsing" [ word t "parsing" set-word-prop ] define-syntax
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"SYMBOL:" [
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CREATE dup reset-generic define-symbol
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] define-syntax
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"DEFER:" [
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scan in get create
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dup old-definitions get first delete-at
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set-word
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] define-syntax
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":" [
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(:) define
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] define-syntax
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"GENERIC:" [
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CREATE dup reset-word
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define-simple-generic
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] define-syntax
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"GENERIC#" [
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CREATE dup reset-word
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scan-word <standard-combination> define-generic
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] define-syntax
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"MATH:" [
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CREATE dup reset-word
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T{ math-combination } define-generic
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] define-syntax
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"HOOK:" [
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CREATE dup reset-word scan-word
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<hook-combination> define-generic
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] define-syntax
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"M:" [
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f set-word
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location >r
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scan-word bootstrap-word scan-word
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[ parse-definition -rot define-method ] 2keep
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2array r> remember-definition
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] define-syntax
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"UNION:" [
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CREATE-CLASS parse-definition define-union-class
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] define-syntax
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"MIXIN:" [
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CREATE-CLASS define-mixin-class
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] define-syntax
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"INSTANCE:" [
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location >r
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scan-word scan-word 2dup add-mixin-instance
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<mixin-instance> r> remember-definition
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] define-syntax
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"PREDICATE:" [
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scan-word
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CREATE-CLASS
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parse-definition define-predicate-class
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] define-syntax
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"TUPLE:" [
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CREATE-CLASS ";" parse-tokens define-tuple-class
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] define-syntax
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"C:" [
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CREATE dup reset-generic
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scan-word dup check-tuple
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[ construct-boa ] curry define-inline
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] define-syntax
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"FORGET:" [
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scan-word
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dup parsing? [ V{ } clone swap execute first ] when
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forget
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] define-syntax
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"(" [
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parse-effect word
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[ swap "declared-effect" set-word-prop ] [ drop ] if*
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] define-syntax
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"MAIN:" [ scan-word in get vocab set-vocab-main ] define-syntax
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"<<" [
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[ \ >> parse-until >quotation ] with-compilation-unit
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call
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] define-syntax
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] with-compilation-unit
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