From: Damien Mattei <damien.mattei@gmail.com>
Cc: kawa mailing list <kawa@sourceware.org>
Subject: Re: unrecognized pattern operator list
Date: Wed, 11 Oct 2023 09:25:50 +0200 [thread overview]
Message-ID: <CADEOadcfexvw=7p9ucPBOdpS_XajJM-Z1y+HyBvZD+x2qz_m6A@mail.gmail.com> (raw)
In-Reply-To: <CADEOaddT8wqq6=SXFaevMJ2gxenp2GjxKMgj1LocevyYY-nmoA@mail.gmail.com>
finally convert all my code from 'match' version to 'cond' version ,
it does not change a lot.
On Tue, Oct 10, 2023 at 9:03 AM Damien Mattei <damien.mattei@gmail.com> wrote:
>
> ok this works:
>
> (match (list index1-or-keyword-eval-pos index2-or-keyword-eval-pos)
>
> ;; {a <+ (make-vector 7 0)}
> ;; '#(0 0 0 0 0 0 0)
> ;; > {a[$ $] <- #(1 2 3)}
> ;; > a
> ;; '#(1 2 3 0 0 0 0)
> ;((list (== slice) (== slice))
> ([s1 s2] #!if (and (equal? s1 slice) (equal? s2 slice))
> (container-copy! container-eval
> 0
> expr-eval)
> container-eval ;; returning a value allow the chaining : {T[3 5
> 6] <- A[4 2 3] <- T[7 2 4]}
> )
>
> ;; {s <+ (string-append "abcdefgh")}
> ;; "abcdefgh"
> ;; > {s[3 $] <- "zob"}
> ;; > s
> ;; "abczobgh"
> ;; >
> ([i1 s] #!if (equal? s slice)
> (container-copy! container-eval
> i1
> expr-eval)
> container-eval ;; returning a value allow the chaining : {T[3 5
> 6] <- A[4 2 3] <- T[7 2 4]}
> )
>
> ([s i2] #!if (equal? s slice)
> (container-copy! container-eval
> 0
> expr-eval
> 0
> i2)
> container-eval ;; returning a value allow the chaining : {T[3 5
> 6] <- A[4 2 3] <- T[7 2 4]}
> )
>
> ([i1 i2]
> (cond ((vector? container-eval) ;; normal case
> (function-array-n-dim-set! container-eval expr-eval (reverse
> (list i1 i2))))
> ((array? container-eval)
> ;;(display "assignment.* : 2 args ,array case :
> container-eval = ") (display container-eval) (newline)
> '(array-set! container-eval index1-or-keyword-eval
> index2-or-keyword-eval expr-eval))
>
> (else ;; overloaded
> (define args-lst (list container-eval i1 i2))
> (define setter! (find-setter-for-overloaded-square-brackets args-lst))
> '(setter! container-eval i1 i2 expr-eval)))
> expr-eval) ;; returning a value allow the chaining : {T[3 2] <-
> A[4] <- T[2 4]}
>
> ) ;; end match
>
> but if i unquote '(setter! container-eval i1 i2 expr-eval)
> the REPL crashes, the only way of debug was to quote the portions of code...
>
> On Tue, Oct 10, 2023 at 8:44 AM Damien Mattei <damien.mattei@gmail.com> wrote:
> >
> > i talked to fast, the match pattern seems ok but i got a Kawa REPL
> > crash when just loading the code file now, after investigating i
> > localised the problem in this section :
> >
> > (cond ((vector? container-eval) ;; normal case
> > (function-array-n-dim-set! container-eval expr-eval (reverse
> > (list i1 i2))))
> > ((array? container-eval)
> > ;;(display "assignment.* : 2 args ,array case :
> > container-eval = ") (display container-eval) (newline)
> > (array-set! container-eval index1-or-keyword-eval
> > index2-or-keyword-eval expr-eval))
> >
> > (else ;; overloaded
> > (define args-lst (list container-eval i1 i2))
> > (define setter! (find-setter-for-overloaded-square-brackets args-lst))
> > (setter! container-eval i1 i2 expr-eval)))
> > expr-eval) ;; returning a value allow the chaining : {T[3 2] <-
> > A[4] <- T[2 4]}
> >
> > but as the REPL crashed i have no idea of what is the problem, just
> > got this message:
> >
> > #|kawa:1|# (load "Scheme+.scm")
> > #|kawa:2|# (load "scheme-infix.scm")
> > scheme-infix.scm:55:13: warning - no declaration seen for !*
> > scheme-infix.scm:60:8: warning - no declaration seen for infix-operators-lst
> > scheme-infix.scm:270:17: warning - no declaration seen for infix-operators-lst
> > #|kawa:3|# (load "assignment.scm")
> > assignment.scm:318:13: warning - no declaration seen for
> > parse-square-brackets-arguments
> > assignment.scm:337:11: warning - no declaration seen for assignment-argument-3
> > assignment.scm:346:11: warning - no declaration seen for assignment-argument-4
> > assignment.scm:357:11: warning - no declaration seen for assignment-argument-5
> > assignment.scm:369:7: warning - no declaration seen for
> > assignment-argument-6-and-more
> > assignment.scm:403:43: warning - no declaration seen for bracket-apply
> > assignment.scm:407:43: warning - no declaration seen for bracket-apply
> > assignment.scm:430:8: warning - no declaration seen for hash-table?
> > assignment.scm:450:8: warning - no declaration seen for hash-table?
> > assignment.scm:451:8: warning - no declaration seen for hash-table-set!
> > assignment.scm:466:24: warning - no declaration seen for
> > find-setter-for-overloaded-square-brackets
> > assignment.scm:546:5: warning - no declaration seen for
> > function-array-n-dim-set!
> > assignment.scm:553:21: warning - no declaration seen for
> > find-setter-for-overloaded-square-brackets
> > Exception in thread "main" java.lang.VerifyError: Bad local variable type
> > Exception Details:
> > Location:
> > atInteractiveLevel-115.assignmentArgument$Mn2(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
> > @622: aload
> > Reason:
> > Type top (current frame, locals[30]) is not assignable to reference type
> > Current Frame:
> > bci: @622
> > flags: { }
> > locals: { 'java/lang/Object', 'java/lang/Object',
> > 'java/lang/Object', 'java/lang/Object', 'java/lang/Object',
> > 'java/lang/Object', 'java/lang/Object', 'java/lang/Object',
> > 'java/lang/Object', 'java/util/List', top, top, top, top, top, top,
> > 'java/util/List', top, top, top, top, top, top, 'java/util/List', top,
> > top, top, top, top, top, top, 'java/util/List', 'java/lang/Object',
> > 'java/lang/Object', 'java/lang/Object', 'java/lang/Object',
> > 'gnu/lists/Pair', 'java/lang/Object' }
> > stack: { }
> > Bytecode:
> > 0000000: 2b3a 042c 3a05 b200 0e3a 06b2 000e 3a07
> > 0000010: 2ab8 0014 9900 10b2 0018 3a06 b200 1b3a
> > 0000020: 07a7 000d b200 203a 06b2 0023 3a07 b200
> > 0000030: 2919 04b2 002f b600 35b6 0043 b800 489a
> > 0000040: 0022 1904 b200 4cb8 0052 9900 1704 b200
> > 0000050: 5619 062a b600 4319 04b8 005b 3a04 a700
> > 0000060: 03b2 0029 1905 b200 2fb6 0035 b600 43b8
> > 0000070: 0048 9a00 2219 05b2 004c b800 5299 0017
> > 0000080: 04b2 0056 1906 2ab6 0043 1905 b800 5b3a
> > 0000090: 05a7 0003 1904 1905 b800 613a 0819 0805
> > 00000a0: b800 6759 3a09 c600 6c19 0903 b900 6c02
> > 00000b0: 003a 0b19 0b3a 0a19 0904 b900 6c02 003a
> > 00000c0: 0d19 0d3a 0cb2 0029 190a b200 2fb6 0035
> > 00000d0: b600 43b8 0048 9900 22b2 0029 190c b200
> > 00000e0: 2fb6 0035 b600 43b8 0072 b800 4899 0007
> > 00000f0: 04a7 0008 03a7 0004 0336 0f15 0f99 0015
> > 0000100: b200 5619 072a b200 4c2d b600 7657 2aa7
> > 0000110: 019c 1908 05b8 0067 593a 10c6 0053 1910
> > 0000120: 03b9 006c 0200 3a12 1912 3a11 1910 04b9
> > 0000130: 006c 0200 3a14 1914 3a13 b200 2919 13b2
> > 0000140: 002f b600 35b6 0043 b800 72b8 0048 9900
> > 0000150: 0704 a700 0403 3616 1516 9900 14b2 0056
> > 0000160: 1907 2a19 112d b600 7657 2aa7 0140 1908
> > 0000170: 05b8 0067 593a 17c6 007d 1917 03b9 006c
> > 0000180: 0200 3a19 1919 3a18 1917 04b9 006c 0200
> > 0000190: 3a1b 191b 3a1a b200 2919 18b2 002f b600
> > 00001a0: 35b6 0043 b800 72b8 0048 9900 0704 a700
> > 00001b0: 0403 361d 151d 9900 3eb8 007a 593a 1eb2
> > 00001c0: 0056 1907 3a1f 2a3a 202d 3a21 191a 3a22
> > 00001d0: 191f 1920 b200 4c19 21b6 007e 191e b200
> > 00001e0: 4cb6 0082 191e 1922 b600 8219 1eb6 0086
> > 00001f0: 2aa7 00ba 1908 05b8 0067 593a 1fc6 00a3
> > 0000200: 191f 03b9 006c 0200 3a21 1921 3a20 191f
> > 0000210: 04b9 006c 0200 3a23 1923 3a22 2ab8 0014
> > 0000220: 9900 1fb2 0056 b200 89b6 0035 2a2d 1920
> > 0000230: 1922 b800 61b8 008f b600 7657 a700 602a
> > 0000240: b800 9499 0011 b200 9a2a 2b2c 2db6 0076
> > 0000250: 57a7 004b 2a19 2019 22b8 009e 3a24 b200
> > 0000260: 56b2 00a1 b600 3519 24b6 0043 3a25 191e
> > 0000270: b200 5619 253a 262a 3a27 1920 3a28 1922
> > 0000280: 3a29 2d3a 2a19 2619 2719 2819 29b6 007e
> > 0000290: 191e 192a b600 8219 1eb6 0086 2da7 000e
> > 00002a0: bb00 a359 b200 a7b7 00ab bfb0 5912 3911
> > 00002b0: 01ea 1036 b600 3dbf 5912 3911 01ed 1036
> > 00002c0: b600 3dbf 5912 3911 0203 1021 b600 3dbf
> > 00002d0: 5912 3911 0203 1033 b600 3dbf 5912 3911
> > 00002e0: 0210 101a b600 3dbf 5912 3911 0217 101a
> > 00002f0: b600 3dbf 5912 3911 0222 08b6 003d bf59
> > 0000300: 1239 1102 2910 15b6 003d bf
> > Exception Handler Table:
> > bci [54, 57] => handler: 684
> > bci [105, 108] => handler: 696
> > bci [205, 208] => handler: 708
> > bci [225, 228] => handler: 720
> > bci [322, 325] => handler: 732
> > bci [414, 417] => handler: 744
> > bci [553, 556] => handler: 756
> > bci [612, 615] => handler: 767
> > Stackmap Table:
> > full_frame(@23,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10]},{})
> > same_frame(@36)
> > same_frame(@46)
> > full_frame(@57,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#248],Object[#10],Object[#10]})
> > same_frame(@66)
> > same_frame(@77)
> > same_frame(@97)
> > full_frame(@108,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#248],Object[#10],Object[#10]})
> > same_frame(@117)
> > same_frame(@128)
> > same_frame(@148)
> > full_frame(@208,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#248],Object[#10],Object[#10]})
> > same_frame(@217)
> > full_frame(@228,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#248],Object[#10],Object[#10]})
> > same_frame(@240)
> > same_frame(@244)
> > same_locals_1_stack_item_frame(@245,Integer)
> > same_frame(@248)
> > same_locals_1_stack_item_frame(@249,Integer)
> > full_frame(@274,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105]},{})
> > full_frame(@325,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#248],Object[#10],Object[#10]})
> > same_frame(@337)
> > same_frame(@341)
> > same_locals_1_stack_item_frame(@342,Integer)
> > full_frame(@366,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105]},{})
> > full_frame(@417,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#248],Object[#10],Object[#10]})
> > same_frame(@429)
> > same_frame(@433)
> > same_locals_1_stack_item_frame(@434,Integer)
> > full_frame(@500,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105]},{})
> > full_frame(@547,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{})
> > full_frame(@556,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#250],Object[#10]})
> > same_frame(@575)
> > same_frame(@582)
> > same_frame(@596)
> > full_frame(@615,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10],Object[#252]},{Object[#250],Object[#10]})
> > chop_frame(@668,1)
> > full_frame(@672,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Top,Object[#105]},{})
> > full_frame(@683,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105]},{Object[#10]})
> > full_frame(@684,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#55]})
> > same_locals_1_stack_item_frame(@696,Object[#55])
> > full_frame(@708,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#55]})
> > same_locals_1_stack_item_frame(@720,Object[#55])
> > full_frame(@732,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#55]})
> > full_frame(@744,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#55]})
> > full_frame(@756,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10]},{Object[#55]})
> > full_frame(@767,{Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#10],Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Object[#105],Top,Top,Top,Top,Top,Top,Top,Object[#105],Object[#10],Object[#10],Object[#10],Object[#10],Object[#252]},{Object[#55]})
> >
> > at java.base/java.lang.Class.getDeclaredFields0(Native Method)
> > at java.base/java.lang.Class.privateGetDeclaredFields(Class.java:3473)
> > at java.base/java.lang.Class.getDeclaredField(Class.java:2780)
> > at gnu.expr.ModuleContext.findInstance(ModuleContext.java:71)
> > at gnu.expr.ModuleExp.evalModule2(ModuleExp.java:286)
> > at gnu.expr.ModuleExp.evalModule(ModuleExp.java:211)
> > at kawa.Shell.run(Shell.java:289)
> > at kawa.Shell.runFile(Shell.java:551)
> > at kawa.standard.load.apply2(load.java:67)
> > at kawa.standard.load.apply1(load.java:27)
> > at gnu.mapping.Procedure1or2.applyToObject(Procedure1or2.java:64)
> > at gnu.mapping.Procedure.applyToConsumerDefault(Procedure.java:75)
> > at gnu.mapping.CallContext.runUntilDone(CallContext.java:586)
> > at gnu.expr.ModuleExp.evalModule2(ModuleExp.java:343)
> > at gnu.expr.ModuleExp.evalModule(ModuleExp.java:211)
> > at kawa.Shell.run(Shell.java:289)
> > at kawa.Shell.run(Shell.java:196)
> > at kawa.Shell.run(Shell.java:183)
> > at kawa.repl.processArgs(repl.java:724)
> > at kawa.repl.main(repl.java:830)
> > (base) mattei@MacBook-Pro-Touch-Bar Scheme-PLUS-for-Kawa %
> >
> > On Tue, Oct 10, 2023 at 7:33 AM Damien Mattei <damien.mattei@gmail.com> wrote:
> > >
> > > i use 'match' for Kawa like this in my code, i haven't test it yet but
> > > i suppose it is ok ,having done multiple test in the Kawa REPL :
> > >
> > > (match (list index1-or-keyword-eval-pos index2-or-keyword-eval-pos)
> > >
> > > ;; {a <+ (make-vector 7 0)}
> > > ;; '#(0 0 0 0 0 0 0)
> > > ;; > {a[$ $] <- #(1 2 3)}
> > > ;; > a
> > > ;; '#(1 2 3 0 0 0 0)
> > > ;((list (== slice) (== slice))
> > > ([s1 s2] #!if (and (equal? s1 slice) (equal? s2 slice))
> > > (container-copy! container-eval
> > > 0
> > > expr-eval)
> > > container-eval ;; returning a value allow the chaining : {T[3 5
> > > 6] <- A[4 2 3] <- T[7 2 4]}
> > > )
> > >
> > > ;; {s <+ (string-append "abcdefgh")}
> > > ;; "abcdefgh"
> > > ;; > {s[3 $] <- "zob"}
> > > ;; > s
> > > ;; "abczobgh"
> > > ;; >
> > > ([i1 s] #!if (equal? s slice)
> > > (container-copy! container-eval
> > > i1
> > > expr-eval)
> > > container-eval ;; returning a value allow the chaining : {T[3 5
> > > 6] <- A[4 2 3] <- T[7 2 4]}
> > > )
> > >
> > > ([s i2] #!if (equal? s slice)
> > > (container-copy! container-eval
> > > 0
> > > expr-eval
> > > 0
> > > i2)
> > > container-eval ;; returning a value allow the chaining : {T[3 5
> > > 6] <- A[4 2 3] <- T[7 2 4]}
> > > )
> > >
> > > ([i1 i2]
> > > (cond ((vector? container-eval) ;; normal case
> > > (function-array-n-dim-set! container-eval expr-eval (reverse
> > > (list i1 i2))))
> > > ((array? container-eval)
> > > ;;(display "assignment.* : 2 args ,array case :
> > > container-eval = ") (display container-eval) (newline)
> > > (array-set! container-eval index1-or-keyword-eval
> > > index2-or-keyword-eval expr-eval))
> > >
> > > (else ;; overloaded
> > > (define args-lst (list container-eval i1 i2))
> > > (define setter! (find-setter-for-overloaded-square-brackets args-lst))
> > > (setter! container-eval i1 i2 expr-eval)))
> > > expr-eval) ;; returning a value allow the chaining : {T[3 2] <-
> > > A[4] <- T[2 4]}
> > >
> > > ) ;; end match
> > >
> > > i can not find another way than:
> > >
> > > #!if (and (equal? s1 slice) (equal? s2 slice)
> > >
> > > to test equality to '($ $) or (list slice slice) , that does not look
> > > like a pattern and i could have use 'cond' instead of 'match' as there
> > > is little gain in syntax here.
> > >
> > > On Mon, Oct 9, 2023 at 11:07 PM Damien Mattei <damien.mattei@gmail.com> wrote:
> > > >
> > > > GRASP ,amazing code , would be wonderful for teaching.
> > > >
> > > > On Mon, Oct 9, 2023 at 10:26 PM Panicz Maciej Godek
> > > > <godek.maciek@gmail.com> wrote:
> > > > >
> > > > > For what it's worth, I wrote my own implementation of match for Kawa and use it in GRASP:
> > > > >
> > > > > https://github.com/panicz/grasp/blob/main/src/language/match.scm
> > > > >
> > > > > It is derived from the now withdrawn SRFI-200 document that I submitted at some point:
> > > > >
> > > > > https://srfi.schemers.org/srfi-200/srfi-200.html
> > > > >
> > > > > (it contains a fairly detailed description of the implementation of the match macro, both in syntax-case and syntax-rules)
> > > > >
> > > > > Anyway, it doesn't seem to be causing any conflicts with Kawa's built-in match, so you cloud try adapting it to your taste.
> > > > >
> > > > > pon., 9 paź 2023 o 22:18 Damien Mattei via Kawa <kawa@sourceware.org> napisał(a):
> > > > >>
> > > > >> one of problem is coming from the special syntax of kawa that use
> > > > >> [ ] where others scheme don't and incompatible with SRFI 105, this
> > > > >> limits some use.
> > > > >> like: in type[] or match with patterns looking like ([_ y] ...
> > > > >> this would be a good idea to have an option in Kawa that allow
> > > > >> replacing those [ ] by normal ( ) or even be compatible with the 2
> > > > >> syntaxes should be possible
> > > > >>
> > > > >> in my case i dislike 'match form and do not using typing in scheme
> > > > >> when available so this not a big problem in my codes but for now i do
> > > > >> not know how to modify the SRFI-105 reader for be compatible. It is
> > > > >> also possible to parse it with SRFI 105 and after modify again the
> > > > >> code to set back the transformed [] in () again in [] in 'match and
> > > > >> type[] ....
> > > > >>
> > > > >>
> > > > >> On Mon, Oct 9, 2023 at 4:48 PM Damien Mattei <damien.mattei@gmail.com> wrote:
> > > > >> >
> > > > >> > hello,
> > > > >> >
> > > > >> > in this code belonging from Guile and Racket version:
> > > > >> >
> > > > >> > (match (list index1-or-keyword-eval-pos index2-or-keyword-eval-pos
> > > > >> > index3-or-keyword-or-step-eval-pos)
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >> > ;; {a <+ (make-vector 7 0)}
> > > > >> > ;; '#(0 0 0 0 0 0 0)
> > > > >> > ;; > {a[$ $] <- #(1 2 3)}
> > > > >> > ;; > a
> > > > >> > ;; '#(1 2 3 0 0 0 0)
> > > > >> > ((list (== slice) (== slice))
> > > > >> > (container-copy! container-eval
> > > > >> > 0
> > > > >> > expr-eval)
> > > > >> >
> > > > >> > i have this error:
> > > > >> > unrecognized pattern operator list near ((list (== slice) i2 (== slice))
> > > > >> > slice is defined like that:
> > > > >> >
> > > > >> > (define $ '$)
> > > > >> > (define slice $)
> > > > >> >
> > > > >> > what is the equivalent syntax for kawa?
> > > > >> >
> > > > >> > damien
prev parent reply other threads:[~2023-10-11 7:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-09 14:48 Damien Mattei
2023-10-09 20:18 ` Damien Mattei
2023-10-09 20:26 ` Panicz Maciej Godek
2023-10-09 21:07 ` Damien Mattei
2023-10-10 5:33 ` Damien Mattei
2023-10-10 6:44 ` Damien Mattei
2023-10-10 7:03 ` Damien Mattei
2023-10-11 7:25 ` Damien Mattei [this message]
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