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prettyprint: use radix prefixes for number-base

db4
Joe Groff 2011-11-23 20:05:23 -08:00
parent 4b6559849f
commit 6d1a28aca6
2 changed files with 12 additions and 7 deletions
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17
basis/prettyprint/backend/backend.factor
View File

@ -4,8 +4,8 @@ USING: accessors arrays assocs byte-arrays byte-vectors classes
classes.algebra.private classes.intersection classes.maybe
classes.tuple classes.tuple.private classes.union colors
colors.constants combinators continuations effects generic
hash-sets hashtables io io.pathnames io.styles kernel make math
math.order math.parser namespaces prettyprint.config
hash-sets hashtables io io.pathnames io.styles kernel locals
make math math.order math.parser namespaces prettyprint.config
prettyprint.custom prettyprint.sections prettyprint.stylesheet
quotations sbufs sequences strings vectors words words.symbol ;
FROM: sets => members ;
@ -63,11 +63,16 @@ M: method pprint*
[ "method-generic" word-prop pprint-word ] bi
block> ;
:: pprint-prefixed-number ( n pre quot: ( n -- n' ) -- )
n neg?
[ n neg quot call pre prepend "-" prepend text ]
[ n quot call pre prepend text ] if ; inline
M: real pprint*
number-base get {
{ 16 [ \ HEX: [ >hex text ] pprint-prefix ] }
{ 8 [ \ OCT: [ >oct text ] pprint-prefix ] }
{ 2 [ \ BIN: [ >bin text ] pprint-prefix ] }
{ 16 [ "0x" [ >hex ] pprint-prefixed-number ] }
{ 8 [ "0o" [ >oct ] pprint-prefixed-number ] }
{ 2 [ "0b" [ >bin ] pprint-prefixed-number ] }
[ drop number>string text ]
} case ;
@ -76,7 +81,7 @@ M: float pprint*
\ NAN: [ fp-nan-payload >hex text ] pprint-prefix
] [
number-base get {
{ 16 [ \ HEX: [ >hex text ] pprint-prefix ] }
{ 16 [ "0x" [ >hex ] pprint-prefixed-number ] }
[ drop number>string text ]
} case
] if ;

2
basis/prettyprint/config/config-docs.factor
View File

@ -20,7 +20,7 @@ HELP: line-limit
{ $var-description "The maximum number of lines output by the prettyprinter before output is truncated with \"...\". The default is " { $link f } ", denoting unlimited line count." } ;
HELP: number-base
{ $var-description "The number base in which the prettyprinter will output numeric literals. A value of " { $snippet "2" } " will print integers and ratios in binary with " { $link POSTPONE: BIN: } ", and " { $snippet "8" } " will print them in octal with " { $link POSTPONE: OCT: } ". A value of " { $snippet "16" } " will print all integers, ratios, and floating-point values in hexadecimal with " { $link POSTPONE: HEX: } ". Other values of " { $snippet "number-base" } " will print numbers in decimal, which is the default." } ;
{ $var-description "The number base in which the prettyprinter will output numeric literals. A value of " { $snippet "2" } " will print integers and ratios in binary with " { $snippet "0b" } ". A value of " { $snippet "8" } " will print them in octal with " { $snippet "0o" } ". A value of " { $snippet "16" } " will print all integers, ratios, and floating-point values in hexadecimal with " { $snippet "0x" } ". Other values of " { $snippet "number-base" } " will print numbers in decimal, which is the default." } ;
HELP: string-limit?
{ $var-description "Toggles whether printed strings are truncated to the margin." } ;