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bootstrap.primitives: new predicate integer-array-capacity 

It is to be used to declare values for better optimizations.
locals-and-roots
Björn Lindqvist 2016-03-18 20:21:51 +01:00
parent a3ce61f8da
commit c7ed8a88bb
2 changed files with 29 additions and 12 deletions
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29
core/bootstrap/primitives.factor
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@ -1,13 +1,11 @@
! Copyright (C) 2004, 2010 Slava Pestov. ! Copyright (C) 2004, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien alien.strings arrays assocs byte-arrays classes USING: alien.strings arrays assocs bootstrap.image.private classes
classes.intersection classes.union combinators generic hashtables classes.builtin classes.intersection classes.predicate classes.private
hashtables.private io io.encodings.ascii kernel math math.private math.order classes.singleton classes.tuple classes.tuple.private classes.union
namespaces make parser quotations sequences strings vectors words layouts combinators compiler.units io io.encodings.ascii kernel kernel.private
classes.private classes.builtin classes.singleton classes.tuple layouts make math math.private namespaces parser quotations sequences
classes.tuple.private kernel.private vocabs vocabs.loader slots source-files splitting vocabs vocabs.loader words ;
source-files definitions slots classes.predicate compiler.units
bootstrap.image.private io.files splitting ;
IN: bootstrap.primitives IN: bootstrap.primitives
"Creating primitives and basic runtime structures..." print flush "Creating primitives and basic runtime structures..." print flush
@ -160,7 +158,11 @@ call( -- ) ! syntax-quot
"byte-array" "byte-arrays" lookup-word , "byte-array" "byte-arrays" lookup-word ,
] { } make define-union-class ] { } make define-union-class
! A predicate class used for declarations "integer" "math" create-word
"fixnum" "math" lookup-word "bignum" "math" lookup-word 2array
define-union-class
! Two predicate classes used for declarations.
"array-capacity" "sequences.private" create-word "array-capacity" "sequences.private" create-word
"fixnum" "math" lookup-word "fixnum" "math" lookup-word
[ [
@ -174,6 +176,15 @@ define-predicate-class
[ >fixnum ] bootstrap-max-array-capacity <fake-bignum> [ fixnum-bitand ] curry append [ >fixnum ] bootstrap-max-array-capacity <fake-bignum> [ fixnum-bitand ] curry append
"coercer" set-word-prop "coercer" set-word-prop
"integer-array-capacity" "sequences.private" create-word
"integer" "math" lookup-word
[
[ dup 0 >= ] %
bootstrap-max-array-capacity <fake-bignum> [ <= ] curry ,
[ [ drop f ] if ] %
] [ ] make
define-predicate-class
! Catch-all class for providing a default method. ! Catch-all class for providing a default method.
"object" "kernel" create-word "object" "kernel" create-word
[ f f { } intersection-class define-class ] [ f f { } intersection-class define-class ]

12
core/sequences/sequences-docs.factor
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@ -267,10 +267,16 @@ HELP: first4
{ $errors "Throws an error if the sequence has less than four elements." } ; { $errors "Throws an error if the sequence has less than four elements." } ;
HELP: array-capacity HELP: array-capacity
{ $values { "array" array } { "n" "a non-negative fixnum" } } { $class-description "A predicate class whose instances are fixnums of valid array sizes for the current architecture. The minimum value is zero and the maximum value is " { $link max-array-capacity } "." }
{ $class-description "A predicate class whose instances are valid array sizes for the current architecture. The minimum value is zero and the maximum value is " { $link max-array-capacity } "." }
{ $description "Low-level array length accessor." } { $description "Low-level array length accessor." }
{ $warning "This word is in the " { $vocab-link "sequences.private" } " vocabulary because it is unsafe. It does not check types, so improper use can corrupt memory." } ; { $warning "This word is in the " { $vocab-link "sequences.private" } " vocabulary because it is unsafe. It does not check types, so improper use can corrupt memory." }
{ $see-also integer-array-capacity } ;
HELP: integer-array-capacity
{ $class-description "A predicate class whose instances are integer of valid array sizes for the current architecture. The minimum value is zero and the maximum value is " { $link max-array-capacity } "." }
{ $description "Low-level array length accessor." }
{ $warning "This word is in the " { $vocab-link "sequences.private" } " vocabulary because it is unsafe. It does not check types, so improper use can corrupt memory." }
{ $see-also array-capacity } ;
HELP: array-nth HELP: array-nth
{ $values { "n" "a non-negative fixnum" } { "array" array } { "elt" object } } { $values { "n" "a non-negative fixnum" } { "array" array } { "elt" object } }