suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

regexp doc fixes

Browse Source 
svn: r8462
This commit is contained in:
Matthew Flatt 2008-01-29 17:37:10 +00:00
parent 6ba2fc8941
commit 3cd1b5f14f
3 changed files with 28 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
collects/scribble/scribble.css
View File

@ -152,7 +152,7 @@ font-weight: bold;
}
.tocviewlist td {
font-size: 82%;
vertical-align: top;
}
@ -185,6 +185,7 @@ font-weight: bold;
}
.tocsubnonseclink {
font-size: 82%;
text-decoration: none;
padding-left: 0.5em;
}

3
collects/scribblings/reference/reader.scrbl
View File

@ -686,6 +686,9 @@ as constructed by @scheme[pregexp], @litchar{#rx#} as constructed by
@section[#:tag "parse-graph"]{Reading Graph Structure}
@section-index["#0="]
@section-index["#0#"]
A @graph-defn[] tags the following datum for reference via
@graph-ref[], which allows the reader to produce a datum that
have graph structure.

44
collects/scribblings/reference/rx.ss
View File

@ -19,30 +19,30 @@ Repeat ::= ... ...
| Atom{N,} Match Atom N or more times #px
| Atom{,M} Match Atom between 0 and M times #px
| Atom{N,M} Match Atom between N and M times #px
Atom ::= (Regexp) Match sub-expression Regexp and report match #co
Atom ::= (Regexp) Match sub-expression Regexp and report #co
| [Range] Match any character in Range #co
| [^Range] Match any character not in Range #co
| . Match any character (except newline in multi mode) #co
| . Match any (except newline in multi mode) #co
| ^ Match start (or after newline in multi mode) #co
| $ Match end (or before newline in multi mode) #co
| Literal Match a single literal character #co
| (?Mode:Regexp) Match sub-expression Regexp using Mode #co
| (?>Regexp) Match sub-expression Regexp, only first possible #co
| (?Mode:Regexp) Match Regexp using Mode #co
| (?>Regexp) Match Regexp, only first possible #co
| Look Match empty if Look matches #co
| (?PredPieces|Pieces) Match first Pieces if Pred, second Pieces if not #co
| (?PredPieces|Pieces) Match 1st Pieces if Pred, else 2nd Pieces #co
| (?PredPieces) Match Pieces if Pred, empty if not Pred #co
Atom ::= ... ... #px
| %N Match latest reported match for N##th _(_ #px
| Class Match any character in Class #px
| %b Match between %w and %W, start, or end #px
| %B Match between %w and %w or %W and %W, start, or end #px
| %p{Property} Match a (UTF-8 encoded) character in Property #px
| %P{Property} Match a (UTF-8 encoded) character not in Property #px
| %b Match %w* boundary #px
| %B Match where %b does not #px
| %p{Property} Match (UTF-8 encoded) in Property #px
| %P{Property} Match (UTF-8 encoded) not in Property #px
Literal :== Any character except _(_, _)_, _*_, _+_, _?_, _[_, _._, _^_, _\\_, or _|_ #rx
Literal :== Any character except _(_, _)_, _*_, _+_, _?_, _[_, _]_, _{_, _}_, _._, _^_, _\\_, or _|_ #px
| \\Aliteral Match Aliteral #ot
Aliteral :== Any character #rx
Aliteral :== Any character except a-z, A-Z, 0-9 #px
Aliteral :== Any character except _a_-_z_, _A_-_Z_, _0_-_9_ #px
Range ::= ] Range contains _]_ only #co
| - Range contains _-_ only #co
| Mrange Range contains everything in Mrange #co
@ -62,8 +62,10 @@ Pred ::= (N) True if Nth _(_ has a match
Lrange ::= ... ... #px
| Class Lrange contains all characters in Class #px
| Posix Lrange contains all characters in Posix #px
| \\Eliteral Lrange contains Eliteral #px
Rliteral :== Any character except _]_ or _-_ #rx
Rliteral :== Any character except _]_, _\\_, or _-_ #px
Eliteral :== Any character except _a_-_z_, _A_-_Z_ #px
Mode ::= Like the enclosing mode #mode
| Modei Like Mode, but case-insensitive #mode
| Mode-i Like Mode, but sensitive #mode
@ -71,25 +73,25 @@ Mode ::= Like the enclosing mode
| Mode-s Like Mode, but in multi mode #mode
| Modem Like Mode, but in multi mode #mode
| Mode-m Like Mode, but not in multi mode #mode
Class ::= %d Contains 0-9 #cat
Class ::= %d Contains _0_-_9_ #cat
| %D Contains ASCII other than those in %d #cat
| %w Contains a-z, A-Z, 0-9, ___ #cat
| %w Contains _a_-_z_, _A_-_Z_, _0_-_9_, ___ #cat
| %W Contains ASCII other than those in %w #cat
| %s Contains space, tab, newline, formfeed, return #cat
| %S Contains ASCII other than those in %s #cat
Posix ::= [:alpha:] Contains a-z, A-Z #cat
| [:alnum:] Contains a-z, A-Z, 0-9 #cat
Posix ::= [:alpha:] Contains _a_-_z_, _A_-_Z_ #cat
| [:alnum:] Contains _a_-_z_, _A_-_Z_, _0_-_9_ #cat
| [:ascii:] Contains all ASCII characters #cat
| [:blank:] Contains space and tab #cat
| [:cntrl:] Contains all characters with scalar value < 32 #cat
| [:digit:] Contains 0-9 #cat
| [:digit:] Contains _0_-_9_ #cat
| [:graph:] Contains all ASCII characters that use ink #cat
| [:lower:] Contains space, tab, and ASCII ink users #cat
| [:print:] Contains A-Z #cat
| [:print:] Contains _A_-_Z_ #cat
| [:space:] Contains space, tab, newline, formfeed, return #cat
| [:upper:] Contains A-Z #cat
| [:word:] Contains a-z, A-Z, 0-9, ___ #cat
| [:xdigit:] Contains 0-9, a-f, A-F #cat
| [:upper:] Contains _A_-_Z_ #cat
| [:word:] Contains _a_-_z_, _A_-_Z_, _0_-_9_, ___ #cat
| [:xdigit:] Contains _0_-_9_, _a_-_f_, _A_-_F_ #cat
Property ::= Category Includes all characters in Category #cat
| ^Category Includes all characters not in Category #cat
Category ::= Ll | Lu | Lt | Lm Unicode general category #cat
@ -122,7 +124,7 @@ Category ::= Ll | Lu | Lt | Lm Unicode general category
(define (fixup-ids s)
(let loop ([m (regexp-match-positions
#px"(Regexp)|(Pieces?)|(Atom)|(Repeat)|(Literal)|(Aliteral)|(Range)|(Lrange)|(Mrange)|(Rliteral)|(Mode)|(Class)|(Posix)|(Property)|(Category)|(Pred)|(Look)|(\\bN\\b)|(\\bM\\b)"
#px"(Regexp)|(Pieces?)|(Atom)|(Repeat)|(Literal)|(Aliteral)|(Eliteral)|(Range)|(Lrange)|(Mrange)|(Rliteral)|(Mode)|(Class)|(Posix)|(Property)|(Category)|(Pred)|(Look)|(\\bN\\b)|(\\bM\\b)"
s)])
(cond
[m
@ -159,7 +161,7 @@ Category ::= Ll | Lu | Lt | Lm Unicode general category
(let loop ([s s])
(cond
[(and (string? s)
(regexp-match #rx"^(.*)_([^_]*|_)_(.*)$" s))
(regexp-match #rx"^(.*?)_([^_]+|_)_(.*)$" s))
=> (lambda (m)
(make-element #f (list (loop (cadr m))
(litchar (caddr m))