! Copyright (C) 2004, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien alien.strings arrays assocs byte-arrays classes
-classes.intersection classes.union combinators generic hashtables
-hashtables.private io io.encodings.ascii kernel math math.private math.order
-namespaces make parser quotations sequences strings vectors words layouts
-classes.private classes.builtin classes.singleton classes.tuple
-classes.tuple.private kernel.private vocabs vocabs.loader
-source-files definitions slots classes.predicate compiler.units
-bootstrap.image.private io.files splitting ;
+USING: alien.strings arrays assocs bootstrap.image.private classes
+classes.builtin classes.intersection classes.predicate classes.private
+classes.singleton classes.tuple classes.tuple.private classes.union
+combinators compiler.units io io.encodings.ascii kernel kernel.private
+layouts make math math.private namespaces parser quotations sequences
+slots source-files splitting vocabs vocabs.loader words ;
IN: bootstrap.primitives
"Creating primitives and basic runtime structures..." print flush
"byte-array" "byte-arrays" lookup-word ,
] { } 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
"fixnum" "math" lookup-word
[
[ >fixnum ] bootstrap-max-array-capacity <fake-bignum> [ fixnum-bitand ] curry append
"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.
"object" "kernel" create-word
[ f f { } intersection-class define-class ]
{ $errors "Throws an error if the sequence has less than four elements." } ;
HELP: array-capacity
-{ $values { "array" array } { "n" "a non-negative fixnum" } }
-{ $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 } "." }
+{ $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 } "." }
{ $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
{ $values { "n" "a non-negative fixnum" } { "array" array } { "elt" object } }