Use new slots in peg

db4
Chris Double 2008-03-26 16:08:14 +13:00
parent b1561de0f6
commit 8569d18068
1 changed files with 23 additions and 23 deletions
extra/peg

View File

@ -3,7 +3,7 @@
USING: kernel sequences strings namespaces math assocs shuffle
vectors arrays combinators.lib math.parser match
unicode.categories sequences.lib compiler.units parser
words quotations effects memoize ;
words quotations effects memoize accessors ;
IN: peg
TUPLE: parse-result remaining ast ;
@ -52,7 +52,7 @@ MATCH-VARS: ?token ;
] if ;
M: token-parser (compile) ( parser -- quot )
token-parser-symbol [ parse-token ] curry ;
symbol>> [ parse-token ] curry ;
TUPLE: satisfy-parser quot ;
@ -72,7 +72,7 @@ MATCH-VARS: ?quot ;
] ;
M: satisfy-parser (compile) ( parser -- quot )
satisfy-parser-quot \ ?quot satisfy-pattern match-replace ;
quot>> \ ?quot satisfy-pattern match-replace ;
TUPLE: range-parser min max ;
@ -100,12 +100,12 @@ TUPLE: seq-parser parsers ;
: seq-pattern ( -- quot )
[
dup [
dup parse-result-remaining ?quot [
[ parse-result-remaining swap set-parse-result-remaining ] 2keep
parse-result-ast dup ignore = [
dup remaining>> ?quot [
[ remaining>> swap (>>remaining) ] 2keep
ast>> dup ignore = [
drop
] [
swap [ parse-result-ast push ] keep
swap [ ast>> push ] keep
] if
] [
drop f
@ -118,7 +118,7 @@ TUPLE: seq-parser parsers ;
M: seq-parser (compile) ( parser -- quot )
[
[ V{ } clone <parse-result> ] %
seq-parser-parsers [ compiled-parser \ ?quot seq-pattern match-replace % ] each
parsers>> [ compiled-parser \ ?quot seq-pattern match-replace % ] each
] [ ] make ;
TUPLE: choice-parser parsers ;
@ -135,16 +135,16 @@ TUPLE: choice-parser parsers ;
M: choice-parser (compile) ( parser -- quot )
[
f ,
choice-parser-parsers [ compiled-parser \ ?quot choice-pattern match-replace % ] each
parsers>> [ compiled-parser \ ?quot choice-pattern match-replace % ] each
\ nip ,
] [ ] make ;
TUPLE: repeat0-parser p1 ;
: (repeat0) ( quot result -- result )
2dup parse-result-remaining swap call [
[ parse-result-remaining swap set-parse-result-remaining ] 2keep
parse-result-ast swap [ parse-result-ast push ] keep
2dup remaining>> swap call [
[ remaining>> swap (>>remaining) ] 2keep
ast>> swap [ ast>> push ] keep
(repeat0)
] [
nip
@ -158,7 +158,7 @@ TUPLE: repeat0-parser p1 ;
M: repeat0-parser (compile) ( parser -- quot )
[
[ V{ } clone <parse-result> ] %
repeat0-parser-p1 compiled-parser \ ?quot repeat0-pattern match-replace %
p1>> compiled-parser \ ?quot repeat0-pattern match-replace %
] [ ] make ;
TUPLE: repeat1-parser p1 ;
@ -166,7 +166,7 @@ TUPLE: repeat1-parser p1 ;
: repeat1-pattern ( -- quot )
[
[ ?quot ] swap (repeat0) [
dup parse-result-ast empty? [
dup ast>> empty? [
drop f
] when
] [
@ -177,7 +177,7 @@ TUPLE: repeat1-parser p1 ;
M: repeat1-parser (compile) ( parser -- quot )
[
[ V{ } clone <parse-result> ] %
repeat1-parser-p1 compiled-parser \ ?quot repeat1-pattern match-replace %
p1>> compiled-parser \ ?quot repeat1-pattern match-replace %
] [ ] make ;
TUPLE: optional-parser p1 ;
@ -188,7 +188,7 @@ TUPLE: optional-parser p1 ;
] ;
M: optional-parser (compile) ( parser -- quot )
optional-parser-p1 compiled-parser \ ?quot optional-pattern match-replace ;
p1>> compiled-parser \ ?quot optional-pattern match-replace ;
TUPLE: ensure-parser p1 ;
@ -202,7 +202,7 @@ TUPLE: ensure-parser p1 ;
] ;
M: ensure-parser (compile) ( parser -- quot )
ensure-parser-p1 compiled-parser \ ?quot ensure-pattern match-replace ;
p1>> compiled-parser \ ?quot ensure-pattern match-replace ;
TUPLE: ensure-not-parser p1 ;
@ -216,7 +216,7 @@ TUPLE: ensure-not-parser p1 ;
] ;
M: ensure-not-parser (compile) ( parser -- quot )
ensure-not-parser-p1 compiled-parser \ ?quot ensure-not-pattern match-replace ;
p1>> compiled-parser \ ?quot ensure-not-pattern match-replace ;
TUPLE: action-parser p1 quot ;
@ -225,13 +225,13 @@ MATCH-VARS: ?action ;
: action-pattern ( -- quot )
[
?quot dup [
dup parse-result-ast ?action call
swap [ set-parse-result-ast ] keep
dup ast>> ?action call
>>ast
] when
] ;
M: action-parser (compile) ( parser -- quot )
{ action-parser-p1 action-parser-quot } get-slots [ compiled-parser ] dip
{ p1>> quot>> } get-slots [ compiled-parser ] dip
2array { ?quot ?action } action-pattern match-replace ;
: left-trim-slice ( string -- string )
@ -245,7 +245,7 @@ TUPLE: sp-parser p1 ;
M: sp-parser (compile) ( parser -- quot )
[
\ left-trim-slice , sp-parser-p1 compiled-parser ,
\ left-trim-slice , p1>> compiled-parser ,
] [ ] make ;
TUPLE: delay-parser quot ;
@ -255,7 +255,7 @@ M: delay-parser (compile) ( parser -- quot )
#! This way it is run only once and the
#! parser constructed once at run time.
[
delay-parser-quot % \ compile ,
quot>> % \ compile ,
] [ ] make
{ } { "word" } <effect> memoize-quot
[ % \ execute , ] [ ] make ;