Use new slots in peg
parent
b1561de0f6
commit
8569d18068
extra/peg
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@ -3,7 +3,7 @@
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USING: kernel sequences strings namespaces math assocs shuffle
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vectors arrays combinators.lib math.parser match
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unicode.categories sequences.lib compiler.units parser
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words quotations effects memoize ;
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words quotations effects memoize accessors ;
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IN: peg
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TUPLE: parse-result remaining ast ;
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@ -52,7 +52,7 @@ MATCH-VARS: ?token ;
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] if ;
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M: token-parser (compile) ( parser -- quot )
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token-parser-symbol [ parse-token ] curry ;
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symbol>> [ parse-token ] curry ;
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TUPLE: satisfy-parser quot ;
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@ -72,7 +72,7 @@ MATCH-VARS: ?quot ;
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] ;
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M: satisfy-parser (compile) ( parser -- quot )
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satisfy-parser-quot \ ?quot satisfy-pattern match-replace ;
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quot>> \ ?quot satisfy-pattern match-replace ;
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TUPLE: range-parser min max ;
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@ -100,12 +100,12 @@ TUPLE: seq-parser parsers ;
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: seq-pattern ( -- quot )
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[
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dup [
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dup parse-result-remaining ?quot [
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[ parse-result-remaining swap set-parse-result-remaining ] 2keep
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parse-result-ast dup ignore = [
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dup remaining>> ?quot [
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[ remaining>> swap (>>remaining) ] 2keep
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ast>> dup ignore = [
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drop
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] [
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swap [ parse-result-ast push ] keep
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swap [ ast>> push ] keep
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] if
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] [
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drop f
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@ -118,7 +118,7 @@ TUPLE: seq-parser parsers ;
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M: seq-parser (compile) ( parser -- quot )
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[
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[ V{ } clone <parse-result> ] %
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seq-parser-parsers [ compiled-parser \ ?quot seq-pattern match-replace % ] each
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parsers>> [ compiled-parser \ ?quot seq-pattern match-replace % ] each
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] [ ] make ;
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TUPLE: choice-parser parsers ;
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@ -135,16 +135,16 @@ TUPLE: choice-parser parsers ;
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M: choice-parser (compile) ( parser -- quot )
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[
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f ,
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choice-parser-parsers [ compiled-parser \ ?quot choice-pattern match-replace % ] each
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parsers>> [ compiled-parser \ ?quot choice-pattern match-replace % ] each
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\ nip ,
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] [ ] make ;
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TUPLE: repeat0-parser p1 ;
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: (repeat0) ( quot result -- result )
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2dup parse-result-remaining swap call [
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[ parse-result-remaining swap set-parse-result-remaining ] 2keep
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parse-result-ast swap [ parse-result-ast push ] keep
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2dup remaining>> swap call [
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[ remaining>> swap (>>remaining) ] 2keep
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ast>> swap [ ast>> push ] keep
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(repeat0)
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] [
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nip
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@ -158,7 +158,7 @@ TUPLE: repeat0-parser p1 ;
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M: repeat0-parser (compile) ( parser -- quot )
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[
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[ V{ } clone <parse-result> ] %
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repeat0-parser-p1 compiled-parser \ ?quot repeat0-pattern match-replace %
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p1>> compiled-parser \ ?quot repeat0-pattern match-replace %
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] [ ] make ;
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TUPLE: repeat1-parser p1 ;
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@ -166,7 +166,7 @@ TUPLE: repeat1-parser p1 ;
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: repeat1-pattern ( -- quot )
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[
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[ ?quot ] swap (repeat0) [
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dup parse-result-ast empty? [
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dup ast>> empty? [
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drop f
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] when
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] [
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@ -177,7 +177,7 @@ TUPLE: repeat1-parser p1 ;
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M: repeat1-parser (compile) ( parser -- quot )
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[
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[ V{ } clone <parse-result> ] %
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repeat1-parser-p1 compiled-parser \ ?quot repeat1-pattern match-replace %
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p1>> compiled-parser \ ?quot repeat1-pattern match-replace %
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] [ ] make ;
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TUPLE: optional-parser p1 ;
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@ -188,7 +188,7 @@ TUPLE: optional-parser p1 ;
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] ;
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M: optional-parser (compile) ( parser -- quot )
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optional-parser-p1 compiled-parser \ ?quot optional-pattern match-replace ;
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p1>> compiled-parser \ ?quot optional-pattern match-replace ;
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TUPLE: ensure-parser p1 ;
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@ -202,7 +202,7 @@ TUPLE: ensure-parser p1 ;
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] ;
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M: ensure-parser (compile) ( parser -- quot )
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ensure-parser-p1 compiled-parser \ ?quot ensure-pattern match-replace ;
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p1>> compiled-parser \ ?quot ensure-pattern match-replace ;
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TUPLE: ensure-not-parser p1 ;
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@ -216,7 +216,7 @@ TUPLE: ensure-not-parser p1 ;
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] ;
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M: ensure-not-parser (compile) ( parser -- quot )
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ensure-not-parser-p1 compiled-parser \ ?quot ensure-not-pattern match-replace ;
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p1>> compiled-parser \ ?quot ensure-not-pattern match-replace ;
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TUPLE: action-parser p1 quot ;
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@ -225,13 +225,13 @@ MATCH-VARS: ?action ;
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: action-pattern ( -- quot )
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[
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?quot dup [
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dup parse-result-ast ?action call
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swap [ set-parse-result-ast ] keep
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dup ast>> ?action call
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>>ast
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] when
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] ;
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M: action-parser (compile) ( parser -- quot )
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{ action-parser-p1 action-parser-quot } get-slots [ compiled-parser ] dip
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{ p1>> quot>> } get-slots [ compiled-parser ] dip
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2array { ?quot ?action } action-pattern match-replace ;
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: left-trim-slice ( string -- string )
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@ -245,7 +245,7 @@ TUPLE: sp-parser p1 ;
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M: sp-parser (compile) ( parser -- quot )
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[
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\ left-trim-slice , sp-parser-p1 compiled-parser ,
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\ left-trim-slice , p1>> compiled-parser ,
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] [ ] make ;
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TUPLE: delay-parser quot ;
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@ -255,7 +255,7 @@ M: delay-parser (compile) ( parser -- quot )
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#! This way it is run only once and the
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#! parser constructed once at run time.
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[
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delay-parser-quot % \ compile ,
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quot>> % \ compile ,
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] [ ] make
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{ } { "word" } <effect> memoize-quot
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[ % \ execute , ] [ ] make ;
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