Merge pull request 'atoms-can-be-piped' (#31) from atoms-can-be-piped into main

Reviewed-on: #31
Reviewed-by: probablycorey <probablycorey@gmail.com>

src/compiler/tests/pipe.test.ts

@@ -92,4 +92,30 @@ describe('pipe expressions', () => {
       get-msg | length
     `).toEvaluateTo(5)
   })
+
+
+  test('string literals can be piped', () => {
+    expect(`'hey there' | str.to-upper`).toEvaluateTo('HEY THERE')
+  })
+
+  test('number literals can be piped', () => {
+    expect(`42 | str.trim`).toEvaluateTo('42')
+    expect(`4.22 | str.trim`).toEvaluateTo('4.22')
+  })
+
+  test('null literals can be piped', () => {
+    expect(`null | type`).toEvaluateTo('null')
+  })
+
+  test('boolean literals can be piped', () => {
+    expect(`true | str.to-upper`).toEvaluateTo('TRUE')
+  })
+
+  test('array literals can be piped', () => {
+    expect(`[1 2 3] | str.join '-'`).toEvaluateTo('1-2-3')
+  })
+
+  test('dict literals can be piped', () => {
+    expect(`[a=1 b=2 c=3] | dict.values | list.sort | str.join '-'`).toEvaluateTo('1-2-3')
+  })
 })

src/parser/shrimp.grammar

@@ -50,7 +50,7 @@ null { @specialize[@name=Null]<Identifier, "null"> }
   call
 }
 
-item { 
+item {
   consumeToTerminator newlineOrSemicolon |
   consumeToTerminator eof |
   newlineOrSemicolon // allow blank lines
@@ -77,7 +77,7 @@ PipeExpr {
 }
 
 pipeOperand {
-  FunctionCall | FunctionCallOrIdentifier
+  consumeToTerminator
 }
 
 WhileExpr {
@@ -235,7 +235,7 @@ Array {
 // We need expressionWithoutIdentifier to avoid conflicts in consumeToTerminator.
 // Without this, when parsing "my-var" at statement level, the parser can't decide:
 //   - ambiguousFunctionCall → FunctionCallOrIdentifier → Identifier
-//   - expression → Identifier  
+//   - expression → Identifier
 // Both want the same Identifier token! So we use expressionWithoutIdentifier
 // to remove Identifier from the second path, forcing standalone identifiers
 // to go through ambiguousFunctionCall (which is what we want semantically).

src/parser/shrimp.terms.ts

@@ -27,38 +27,38 @@ export const
   Comment = 25,
   Program = 26,
   PipeExpr = 27,
-  FunctionCall = 28,
+  WhileExpr = 29,
-  DotGet = 29,
-  Number = 30,
-  ParenExpr = 31,
-  IfExpr = 32,
   keyword = 70,
-  ConditionalOp = 34,
+  ConditionalOp = 31,
-  String = 35,
+  ParenExpr = 32,
-  StringFragment = 36,
+  IfExpr = 33,
-  Interpolation = 37,
+  FunctionCall = 35,
-  EscapeSeq = 38,
+  DotGet = 36,
-  Boolean = 39,
+  Number = 37,
-  Regex = 40,
+  PositionalArg = 38,
-  Dict = 41,
+  FunctionDef = 39,
-  NamedArg = 42,
+  Params = 40,
-  NamedArgPrefix = 43,
+  NamedParam = 41,
-  FunctionDef = 44,
+  NamedArgPrefix = 42,
-  Params = 45,
+  String = 43,
-  NamedParam = 46,
+  StringFragment = 44,
-  Null = 47,
+  Interpolation = 45,
-  colon = 48,
+  EscapeSeq = 46,
-  CatchExpr = 49,
+  Boolean = 47,
-  Block = 51,
+  Null = 48,
-  FinallyExpr = 52,
+  colon = 49,
-  Underscore = 55,
+  CatchExpr = 50,
-  Array = 56,
+  Block = 52,
-  ElseIfExpr = 57,
+  FinallyExpr = 53,
-  ElseExpr = 59,
+  Underscore = 56,
-  FunctionCallOrIdentifier = 60,
+  NamedArg = 57,
-  BinOp = 61,
+  ElseIfExpr = 58,
-  PositionalArg = 62,
+  ElseExpr = 60,
-  WhileExpr = 64,
+  FunctionCallOrIdentifier = 61,
+  BinOp = 62,
+  Regex = 63,
+  Dict = 64,
+  Array = 65,
   FunctionCallWithBlock = 66,
   TryExpr = 67,
   Throw = 69,

src/parser/shrimp.ts

@@ -4,23 +4,23 @@ import {operatorTokenizer} from "./operatorTokenizer"
 import {tokenizer, specializeKeyword} from "./tokenizer"
 import {trackScope} from "./parserScopeContext"
 import {highlighting} from "./highlight"
-const spec_Identifier = {__proto__:null,if:66, null:94, catch:100, finally:106, end:108, else:116, while:130, try:136, throw:140}
+const spec_Identifier = {__proto__:null,while:60, if:68, null:96, catch:102, finally:108, end:110, else:118, try:136, throw:140}
 export const parser = LRParser.deserialize({
   version: 14,
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+  goto: "4l#]PPPPPPPPPPPPPPPPPPPPPPPPPPP#^P#tP$Y%Q#^P&T&mP'l'r(c(fP(lP)j)jPPP)nP)z*dPPP*z+^P+b+h+|P,m-h#t#tP#tP#t#t.e.k.w/P/V/a/g/n/t/z0UPPP0`0d1W2oP3nP3tP3zPPPPPP4O4Ur`Oe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}R!PWu`OWe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}r^Oe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}Q!SWS!ig$rQ!nhQ!rjQ#O}R#Q|xSOWeg!Z![!]!`!o#a#i#j#k#u#}$Y$i$r$s$}vZRSYhjsvxyz{|}!V!Y!h#W#]#oQ!skR!tltTOWe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}T!kg$rtROWe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}vwRSYhjsvxyz{|}!V!Y!h#W#]#oT!hg$rXtRSv!hr`Oe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}WrRSv!hQ!PWR!xsR!gfX!ef!c!f#f!pZORSWYeghjsvxyz{|}!V!Y!Z![!]!`!h!o#W#]#a#i#j#k#o#u#}$Y$i$r$s$}R#g!dTnQpQ#{#bQ$S#lQ$_#|R$n$`Q#b!]Q#l!oQ$O#jQ$P#kQ$j$YQ$u$iQ${$sR%O$}Q#z#bQ$R#lQ$[#{Q$^#|Q$h$SS$m$_$`R$w$nWtRSv!hQ!WYQ#U!VX#X!W#U#Y#mT$a$O$bQ$e$OR$q$buTOWe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}rVOe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}Q!OWQ!qjQ!zyR!}z!qZORSWYeghjsvxyz{|}!V!Y!Z![!]!`!h!o#W#]#a#i#j#k#o#u#}$Y$i$r$s$}zZRSYghjsvxyz{|}!V!Y!h#W#]#o$ru[OWe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}QeOR!ae^!^b!T#^#_#`#t#|R#c!^UvRS!hR!yvQ!cfR#e!cQ!ffQ#f!cT#h!f#fQpQR!vpS#u#a#}R$W#uQ$b$OR$o$bQ!VYR#T!VQ#Y!WQ#m#UT#q#Y#mQ#]!YQ#o#WT#r#]#oTdOeSbOeQ!TWQ#^!ZQ#_![`#`!]!o#j#k$Y$i$s$}Q#d!`U#t#a#u#}R#|#itUOWe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}WrRSv!hQ!YYS!jg$rQ!mhQ!pjQ!xsQ!zxQ!{yQ!|zQ#O{Q#P|Q#R}Q#W!VX#[!Y#W#]#or]Oe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}zwRSYghjsvxyz{|}!V!Y!h#W#]#o$rR!RWQ!lgR$z$rXuRSv!hToQpQ#v#aR$`#}raOe!Z![!]!`!o#a#i#j#k#u#}$Y$i$s$}R!QW",
-  nodeNames: "⚠ Star Slash Plus Minus And Or Eq EqEq Neq Lt Lte Gt Gte Modulo PlusEq MinusEq StarEq SlashEq ModuloEq Identifier AssignableIdentifier Word IdentifierBeforeDot Do Comment Program PipeExpr FunctionCall DotGet Number ParenExpr IfExpr keyword ConditionalOp String StringFragment Interpolation EscapeSeq Boolean Regex Dict NamedArg NamedArgPrefix FunctionDef Params NamedParam Null colon CatchExpr keyword Block FinallyExpr keyword keyword Underscore Array ElseIfExpr keyword ElseExpr FunctionCallOrIdentifier BinOp PositionalArg operator WhileExpr keyword FunctionCallWithBlock TryExpr keyword Throw keyword CompoundAssign Assign",
+  nodeNames: "⚠ Star Slash Plus Minus And Or Eq EqEq Neq Lt Lte Gt Gte Modulo PlusEq MinusEq StarEq SlashEq ModuloEq Identifier AssignableIdentifier Word IdentifierBeforeDot Do Comment Program PipeExpr operator WhileExpr keyword ConditionalOp ParenExpr IfExpr keyword FunctionCall DotGet Number PositionalArg FunctionDef Params NamedParam NamedArgPrefix String StringFragment Interpolation EscapeSeq Boolean Null colon CatchExpr keyword Block FinallyExpr keyword keyword Underscore NamedArg ElseIfExpr keyword ElseExpr FunctionCallOrIdentifier BinOp Regex Dict Array FunctionCallWithBlock TryExpr keyword Throw keyword CompoundAssign Assign",
   maxTerm: 109,
   context: trackScope,
   nodeProps: [
-    ["closedBy", 48,"end"]
+    ["closedBy", 49,"end"]
   ],
   propSources: [highlighting],
   skippedNodes: [0,25],
   repeatNodeCount: 11,
-  tokenData: "C|~R|OX#{XY$jYZ%TZp#{pq$jqs#{st%ntu'tuw#{wx'yxy(Oyz(iz{#{{|)S|}#{}!O+v!O!P#{!P!Q.]!Q![)q![!]6x!]!^%T!^!}#{!}#O7c#O#P9X#P#Q9^#Q#R#{#R#S9w#S#T#{#T#Y,w#Y#Z:b#Z#b,w#b#c?`#c#f,w#f#g@]#g#h,w#h#iAY#i#o,w#o#p#{#p#qC^#q;'S#{;'S;=`$d<%l~#{~O#{~~CwS$QUtSOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{S$gP;=`<%l#{^$qUtS!xYOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U%[UtS#[QOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{^%sWtSOp#{pq&]qt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{^&dZiYtSOY&]YZ#{Zt&]tu'Vuw&]wx'Vx#O&]#O#P'V#P;'S&];'S;=`'n<%lO&]Y'[SiYOY'VZ;'S'V;'S;=`'h<%lO'VY'kP;=`<%l'V^'qP;=`<%l&]~'yO#T~~(OO#R~U(VUtS!}QOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U(pUtS#_QOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U)XWtSOt#{uw#{x!Q#{!Q![)q![#O#{#P;'S#{;'S;=`$d<%lO#{U)xYtSnQOt#{uw#{x!O#{!O!P*h!P!Q#{!Q![)q![#O#{#P;'S#{;'S;=`$d<%lO#{U*mWtSOt#{uw#{x!Q#{!Q![+V![#O#{#P;'S#{;'S;=`$d<%lO#{U+^WtSnQOt#{uw#{x!Q#{!Q![+V![#O#{#P;'S#{;'S;=`$d<%lO#{U+{^tSOt#{uw#{x}#{}!O,w!O!Q#{!Q![)q![!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{U,|[tSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{U-yU{QtSOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U.bWtSOt#{uw#{x!P#{!P!Q.z!Q#O#{#P;'S#{;'S;=`$d<%lO#{U/P^tSOY/{YZ#{Zt/{tu1Ouw/{wx1Ox!P/{!P!Q#{!Q!}/{!}#O5q#O#P3^#P;'S/{;'S;=`6r<%lO/{U0S^tSxQOY/{YZ#{Zt/{tu1Ouw/{wx1Ox!P/{!P!Q3s!Q!}/{!}#O5q#O#P3^#P;'S/{;'S;=`6r<%lO/{Q1TXxQOY1OZ!P1O!P!Q1p!Q!}1O!}#O2_#O#P3^#P;'S1O;'S;=`3m<%lO1OQ1sP!P!Q1vQ1{UxQ#Z#[1v#]#^1v#a#b1v#g#h1v#i#j1v#m#n1vQ2bVOY2_Z#O2_#O#P2w#P#Q1O#Q;'S2_;'S;=`3W<%lO2_Q2zSOY2_Z;'S2_;'S;=`3W<%lO2_Q3ZP;=`<%l2_Q3aSOY1OZ;'S1O;'S;=`3m<%lO1OQ3pP;=`<%l1OU3xWtSOt#{uw#{x!P#{!P!Q4b!Q#O#{#P;'S#{;'S;=`$d<%lO#{U4ibtSxQOt#{uw#{x#O#{#P#Z#{#Z#[4b#[#]#{#]#^4b#^#a#{#a#b4b#b#g#{#g#h4b#h#i#{#i#j4b#j#m#{#m#n4b#n;'S#{;'S;=`$d<%lO#{U5v[tSOY5qYZ#{Zt5qtu2_uw5qwx2_x#O5q#O#P2w#P#Q/{#Q;'S5q;'S;=`6l<%lO5qU6oP;=`<%l5qU6uP;=`<%l/{U7PUtS!QQOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U7jW#ZQtSOt#{uw#{x!_#{!_!`8S!`#O#{#P;'S#{;'S;=`$d<%lO#{U8XVtSOt#{uw#{x#O#{#P#Q8n#Q;'S#{;'S;=`$d<%lO#{U8uU#YQtSOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{~9^O#U~U9eU#^QtSOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U:OUtS!XQOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U:g]tSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#U;`#U#o,w#o;'S#{;'S;=`$d<%lO#{U;e^tSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#`,w#`#a<a#a#o,w#o;'S#{;'S;=`$d<%lO#{U<f^tSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#g,w#g#h=b#h#o,w#o;'S#{;'S;=`$d<%lO#{U=g^tSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#X,w#X#Y>c#Y#o,w#o;'S#{;'S;=`$d<%lO#{U>j[wQtSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{^?g[#VWtSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{^@d[#XWtSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{^Aa^#WWtSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#f,w#f#gB]#g#o,w#o;'S#{;'S;=`$d<%lO#{UBb^tSOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#i,w#i#j=b#j#o,w#o;'S#{;'S;=`$d<%lO#{UCeU!aQtSOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{~C|O#a~",
+  tokenData: "C|~R|OX#{XY$jYZ%TZp#{pq$jqs#{st%ntu'tuw#{wx'yxy(Oyz(iz{#{{|)S|}#{}!O+v!O!P#{!P!Q.]!Q![)q![!]6x!]!^%T!^!}#{!}#O7c#O#P9X#P#Q9^#Q#R#{#R#S9w#S#T#{#T#Y,w#Y#Z:b#Z#b,w#b#c?`#c#f,w#f#g@]#g#h,w#h#iAY#i#o,w#o#p#{#p#qC^#q;'S#{;'S;=`$d<%l~#{~O#{~~CwS$QU|SOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{S$gP;=`<%l#{^$qU|S!xYOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U%[U|S#YQOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{^%sW|SOp#{pq&]qt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{^&dZiY|SOY&]YZ#{Zt&]tu'Vuw&]wx'Vx#O&]#O#P'V#P;'S&];'S;=`'n<%lO&]Y'[SiYOY'VZ;'S'V;'S;=`'h<%lO'VY'kP;=`<%l'V^'qP;=`<%l&]~'yO#T~~(OO#R~U(VU|S!}QOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U(pU|S#]QOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U)XW|SOt#{uw#{x!Q#{!Q![)q![#O#{#P;'S#{;'S;=`$d<%lO#{U)xY|SuQOt#{uw#{x!O#{!O!P*h!P!Q#{!Q![)q![#O#{#P;'S#{;'S;=`$d<%lO#{U*mW|SOt#{uw#{x!Q#{!Q![+V![#O#{#P;'S#{;'S;=`$d<%lO#{U+^W|SuQOt#{uw#{x!Q#{!Q![+V![#O#{#P;'S#{;'S;=`$d<%lO#{U+{^|SOt#{uw#{x}#{}!O,w!O!Q#{!Q![)q![!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{U,|[|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{U-yUzQ|SOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U.bW|SOt#{uw#{x!P#{!P!Q.z!Q#O#{#P;'S#{;'S;=`$d<%lO#{U/P^|SOY/{YZ#{Zt/{tu1Ouw/{wx1Ox!P/{!P!Q#{!Q!}/{!}#O5q#O#P3^#P;'S/{;'S;=`6r<%lO/{U0S^|S!aQOY/{YZ#{Zt/{tu1Ouw/{wx1Ox!P/{!P!Q3s!Q!}/{!}#O5q#O#P3^#P;'S/{;'S;=`6r<%lO/{Q1TX!aQOY1OZ!P1O!P!Q1p!Q!}1O!}#O2_#O#P3^#P;'S1O;'S;=`3m<%lO1OQ1sP!P!Q1vQ1{U!aQ#Z#[1v#]#^1v#a#b1v#g#h1v#i#j1v#m#n1vQ2bVOY2_Z#O2_#O#P2w#P#Q1O#Q;'S2_;'S;=`3W<%lO2_Q2zSOY2_Z;'S2_;'S;=`3W<%lO2_Q3ZP;=`<%l2_Q3aSOY1OZ;'S1O;'S;=`3m<%lO1OQ3pP;=`<%l1OU3xW|SOt#{uw#{x!P#{!P!Q4b!Q#O#{#P;'S#{;'S;=`$d<%lO#{U4ib|S!aQOt#{uw#{x#O#{#P#Z#{#Z#[4b#[#]#{#]#^4b#^#a#{#a#b4b#b#g#{#g#h4b#h#i#{#i#j4b#j#m#{#m#n4b#n;'S#{;'S;=`$d<%lO#{U5v[|SOY5qYZ#{Zt5qtu2_uw5qwx2_x#O5q#O#P2w#P#Q/{#Q;'S5q;'S;=`6l<%lO5qU6oP;=`<%l5qU6uP;=`<%l/{U7PU|S!RQOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U7jW#_Q|SOt#{uw#{x!_#{!_!`8S!`#O#{#P;'S#{;'S;=`$d<%lO#{U8XV|SOt#{uw#{x#O#{#P#Q8n#Q;'S#{;'S;=`$d<%lO#{U8uU#^Q|SOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{~9^O#U~U9eU#`Q|SOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U:OU|S!YQOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{U:g]|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#U;`#U#o,w#o;'S#{;'S;=`$d<%lO#{U;e^|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#`,w#`#a<a#a#o,w#o;'S#{;'S;=`$d<%lO#{U<f^|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#g,w#g#h=b#h#o,w#o;'S#{;'S;=`$d<%lO#{U=g^|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#X,w#X#Y>c#Y#o,w#o;'S#{;'S;=`$d<%lO#{U>j[!PQ|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{^?g[#VW|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{^@d[#XW|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#o,w#o;'S#{;'S;=`$d<%lO#{^Aa^#WW|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#f,w#f#gB]#g#o,w#o;'S#{;'S;=`$d<%lO#{UBb^|SOt#{uw#{x}#{}!O,w!O!_#{!_!`-r!`#O#{#P#T#{#T#i,w#i#j=b#j#o,w#o;'S#{;'S;=`$d<%lO#{UCeUlQ|SOt#{uw#{x#O#{#P;'S#{;'S;=`$d<%lO#{~C|O#a~",
-  tokenizers: [operatorTokenizer, 1, 2, 3, tokenizer, new LocalTokenGroup("[~RP!O!PU~ZO!|~~", 11)],
+  tokenizers: [operatorTokenizer, 1, 2, 3, tokenizer, new LocalTokenGroup("[~RP!O!PU~ZO#P~~", 11)],
   topRules: {"Program":[0,26]},
   specialized: [{term: 20, get: (value: any, stack: any) => (specializeKeyword(value, stack) << 1), external: specializeKeyword},{term: 20, get: (value: keyof typeof spec_Identifier) => spec_Identifier[value] || -1}],
   tokenPrec: 1634

src/parser/tests/pipes.test.ts

@@ -98,4 +98,81 @@ describe('pipe expressions', () => {
           Identifier double
       `)
   })
+
+  test('string literals can be piped', () => {
+    expect(`'hey there' | echo`).toMatchTree(`
+      PipeExpr
+        String
+          StringFragment hey there
+        operator |
+        FunctionCallOrIdentifier
+          Identifier echo
+      `)
+  })
+
+  test('number literals can be piped', () => {
+    expect(`42 | echo`).toMatchTree(`
+      PipeExpr
+        Number 42
+        operator |
+        FunctionCallOrIdentifier
+          Identifier echo`)
+
+    expect(`4.22 | echo`).toMatchTree(`
+      PipeExpr
+        Number 4.22
+        operator |
+        FunctionCallOrIdentifier
+          Identifier echo`)
+  })
+
+  test('null literals can be piped', () => {
+    expect(`null | echo`).toMatchTree(`
+      PipeExpr
+        Null null
+        operator |
+        FunctionCallOrIdentifier
+          Identifier echo`)
+  })
+
+  test('boolean literals can be piped', () => {
+    expect(`true | echo`).toMatchTree(`
+      PipeExpr
+        Boolean true
+        operator |
+        FunctionCallOrIdentifier
+          Identifier echo`)
+  })
+
+  test('array literals can be piped', () => {
+    expect(`[1 2 3] | echo`).toMatchTree(`
+      PipeExpr
+        Array
+          Number 1
+          Number 2
+          Number 3
+        operator |
+        FunctionCallOrIdentifier
+          Identifier echo
+      `)
+  })
+
+  test('dict literals can be piped', () => {
+    expect(`[a=1 b=2 c=3] | echo`).toMatchTree(`
+      PipeExpr
+        Dict
+          NamedArg
+            NamedArgPrefix a=
+            Number 1
+          NamedArg
+            NamedArgPrefix b=
+            Number 2
+          NamedArg
+            NamedArgPrefix c=
+            Number 3
+        operator |
+        FunctionCallOrIdentifier
+          Identifier echo
+      `)
+  })
 })

src/prelude/str.ts

@@ -1,37 +1,37 @@
 // strings
 export const str = {
   join: (arr: string[], sep: string = ',') => arr.join(sep),
-  split: (str: string, sep: string = ',') => str.split(sep),
+  split: (str: string, sep: string = ',') => String(str ?? '').split(sep),
-  'to-upper': (str: string) => str.toUpperCase(),
+  'to-upper': (str: string) => String(str ?? '').toUpperCase(),
-  'to-lower': (str: string) => str.toLowerCase(),
+  'to-lower': (str: string) => String(str ?? '').toLowerCase(),
-  trim: (str: string) => str.trim(),
+  trim: (str: string) => String(str ?? '').trim(),
 
   // predicates
-  'starts-with?': (str: string, prefix: string) => str.startsWith(prefix),
+  'starts-with?': (str: string, prefix: string) => String(str ?? '').startsWith(prefix),
-  'ends-with?': (str: string, suffix: string) => str.endsWith(suffix),
+  'ends-with?': (str: string, suffix: string) => String(str ?? '').endsWith(suffix),
-  'contains?': (str: string, substr: string) => str.includes(substr),
+  'contains?': (str: string, substr: string) => String(str ?? '').includes(substr),
-  'empty?': (str: string) => str.length === 0,
+  'empty?': (str: string) => String(str ?? '').length === 0,
 
   // inspection
-  'index-of': (str: string, search: string) => str.indexOf(search),
+  'index-of': (str: string, search: string) => String(str ?? '').indexOf(search),
-  'last-index-of': (str: string, search: string) => str.lastIndexOf(search),
+  'last-index-of': (str: string, search: string) => String(str ?? '').lastIndexOf(search),
 
   // transformations
-  replace: (str: string, search: string, replacement: string) => str.replace(search, replacement),
+  replace: (str: string, search: string, replacement: string) => String(str ?? '').replace(search, replacement),
-  'replace-all': (str: string, search: string, replacement: string) => str.replaceAll(search, replacement),
+  'replace-all': (str: string, search: string, replacement: string) => String(str ?? '').replaceAll(search, replacement),
-  slice: (str: string, start: number, end?: number | null) => str.slice(start, end ?? undefined),
+  slice: (str: string, start: number, end?: number | null) => String(str ?? '').slice(start, end ?? undefined),
-  substring: (str: string, start: number, end?: number | null) => str.substring(start, end ?? undefined),
+  substring: (str: string, start: number, end?: number | null) => String(str ?? '').substring(start, end ?? undefined),
   repeat: (str: string, count: number) => {
     if (count < 0) throw new Error(`repeat: count must be non-negative, got ${count}`)
     if (!Number.isInteger(count)) throw new Error(`repeat: count must be an integer, got ${count}`)
-    return str.repeat(count)
+    return String(str ?? '').repeat(count)
   },
-  'pad-start': (str: string, length: number, pad: string = ' ') => str.padStart(length, pad),
+  'pad-start': (str: string, length: number, pad: string = ' ') => String(str ?? '').padStart(length, pad),
-  'pad-end': (str: string, length: number, pad: string = ' ') => str.padEnd(length, pad),
+  'pad-end': (str: string, length: number, pad: string = ' ') => String(str ?? '').padEnd(length, pad),
-  lines: (str: string) => str.split('\n'),
+  lines: (str: string) => String(str ?? '').split('\n'),
-  chars: (str: string) => str.split(''),
+  chars: (str: string) => String(str ?? '').split(''),
 
   // regex
-  match: (str: string, regex: RegExp) => str.match(regex),
+  match: (str: string, regex: RegExp) => String(str ?? '').match(regex),
-  'test?': (str: string, regex: RegExp) => regex.test(str),
+  'test?': (str: string, regex: RegExp) => regex.test(String(str ?? '')),
 }