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Corey Johnson 2025-10-24 14:02:29 -07:00
parent 66671970e0
commit 7077762738
9 changed files with 82 additions and 38 deletions
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24
src/parser/shrimp.grammar
View File

@ -21,14 +21,9 @@
leftParen { "(" } leftParen { "(" }
rightParen { ")" } rightParen { ")" }
colon[closedBy="end", @name="colon"] { ":" } colon[closedBy="end", @name="colon"] { ":" }
end[openedBy="colon", @name="end"] { "end" }
Underscore { "_" } Underscore { "_" }
Null { "null" } Null { "null" }
Regex { "//" (![/\\\n[] | "\\" ![\n] | "[" (![\n\\\]] | "\\" ![\n])* "]")+ ("//" $[gimsuy]*)? } // Stolen from the lezer JavaScript grammar Regex { "//" (![/\\\n[] | "\\" ![\n] | "[" (![\n\\\]] | "\\" ![\n])* "]")+ ("//" $[gimsuy]*)? } // Stolen from the lezer JavaScript grammar
Fn[@name=keyword] { "fn" }
"if" [@name=keyword]
"elsif" [@name=keyword]
"else" [@name=keyword]
"|"[@name=operator] "|"[@name=operator]
} }
@ -98,11 +93,11 @@ FunctionDef {
} }
singleLineFunctionDef { singleLineFunctionDef {
Fn Params colon consumeToTerminator end @specialize[@name=keyword]<Identifier, "fn"> Params colon consumeToTerminator @specialize[@name=keyword]<Identifier, "end">
} }
multilineFunctionDef { multilineFunctionDef {
Fn Params colon newlineOrSemicolon block end @specialize[@name=keyword]<Identifier, "fn"> Params colon newlineOrSemicolon block @specialize[@name=keyword]<Identifier, "end">
} }
IfExpr { IfExpr {
@ -110,19 +105,19 @@ IfExpr {
} }
singleLineIf { singleLineIf {
"if" (ConditionalOp | expression) colon ThenBlock { consumeToTerminator } @specialize[@name=keyword]<Identifier, "if"> (ConditionalOp | expression) colon ThenBlock { consumeToTerminator }
} }
multilineIf { multilineIf {
"if" (ConditionalOp | expression) colon newlineOrSemicolon ThenBlock ElsifExpr* ElseExpr? end @specialize[@name=keyword]<Identifier, "if"> (ConditionalOp | expression) colon newlineOrSemicolon ThenBlock ElsifExpr* ElseExpr? @specialize[@name=keyword]<Identifier, "end">
} }
ElsifExpr { ElsifExpr {
"elsif" (ConditionalOp | expression) colon newlineOrSemicolon ThenBlock @specialize[@name=keyword]<Identifier, "elsif"> (ConditionalOp | expression) colon newlineOrSemicolon ThenBlock
} }
ElseExpr { ElseExpr {
"else" colon newlineOrSemicolon ThenBlock @specialize[@name=keyword]<Identifier, "else"> colon newlineOrSemicolon ThenBlock
} }
ThenBlock { ThenBlock {
@ -163,9 +158,14 @@ expression {
expressionWithoutIdentifier | DotGet | Identifier expressionWithoutIdentifier | DotGet | Identifier
} }
@local tokens {
dot { "." }
}
@skip {} { @skip {} {
DotGet { DotGet {
IdentifierBeforeDot "." Identifier IdentifierBeforeDot dot Identifier
} }
String { "'" stringContent* "'" } String { "'" stringContent* "'" }

3
src/parser/shrimp.terms.ts
View File

@ -34,10 +34,9 @@ export const
Null = 32, Null = 32,
DotGet = 33, DotGet = 33,
FunctionDef = 34, FunctionDef = 34,
Fn = 35, keyword = 50,
Params = 36, Params = 36,
colon = 37, colon = 37,
end = 38,
Underscore = 39, Underscore = 39,
NamedArg = 40, NamedArg = 40,
NamedArgPrefix = 41, NamedArgPrefix = 41,

15
src/parser/shrimp.ts
View File

@ -1,26 +1,27 @@
// This file was generated by lezer-generator. You probably shouldn't edit it. // This file was generated by lezer-generator. You probably shouldn't edit it.
import {LRParser} from "@lezer/lr" import {LRParser, LocalTokenGroup} from "@lezer/lr"
import {operatorTokenizer} from "./operatorTokenizer" import {operatorTokenizer} from "./operatorTokenizer"
import {tokenizer} from "./tokenizer" import {tokenizer} from "./tokenizer"
import {trackScope} from "./scopeTracker" import {trackScope} from "./scopeTracker"
import {highlighting} from "./highlight" import {highlighting} from "./highlight"
const spec_Identifier = {__proto__:null,fn:70, end:76, if:88, elsif:96, else:100}
export const parser = LRParser.deserialize({ export const parser = LRParser.deserialize({
version: 14, version: 14,
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stateData: "1s~O!_OS~O]PO^_O_UO`VOmUOnUOoUOpUOsXO|]O!fSO!hTO!rbO~O]eO_UO`VOmUOnUOoUOpUOsXOwfOygO!fSO!hTOzfX!rfX!vfX!gfXvfX~OP!dXQ!dXR!dXS!dXT!dXU!dXV!dXW!dXX!dXY!dXZ!dX[!dX~P!QOPkOQkORlOSlO~OPkOQkORlOSlO!r!aX!v!aXv!aX~O]PO_UO`VOmUOnUOoUOpUO!fSO!hTO~OjtO!hwO!jrO!ksO~O!oxO~OP!dXQ!dXR!dXS!dX!r!aX!v!aXv!aX~O^yOutP~Oz|O!r!aX!v!aXv!aX~O]eO_UO`VOmUOnUOoUOpUO!fSO!hTO~OV!QO~O!r!RO!v!RO~OsXOw!TO~P&yOsXOwfOygOzca!rca!vca!gcavca~P&yOT!YOU!YOV!XOW!XOX!XOY!XOZ!XO[!XO~OPkOQkORlOSlO~P(mOPkOQkORlOSlO!g!ZO~O!g!ZOP!dXQ!dXR!dXS!dXT!dXU!dXV!dXW!dXX!dXY!dXZ!dX[!dX~Oz|O!g!ZO~O]![O!fSO~O!h!]O!j!]O!k!]O!l!]O!m!]O!n!]O~OjtO!h!_O!jrO!ksO~O]!`O~O^yOutX~Ou!bO~O]!cO~Oz|O!rba!vba!gbavba~Ou!fO~P(mOu!fO~O^_OsXO|]O~P$xOPkOQkORgiSgi!rgi!vgi!ggivgi~O^_OsXO|]O!r!kO~P$xO^_OsXO|]O!r!nO~P$xO!ghiuhi~P(mOv!oO~O^_OsXO|]Ov!sP~P$xO^_OsXO|]Ov!sP!Q!sP!S!sP~P$xO!r!uO~O^_OsXO|]Ov!sX!Q!sX!S!sX~P$xOv!wO~Ov!|O!Q!xO!S!{O~Ov#RO!Q!xO!S!{O~Ou#TO~Ov#RO~Ou#UO~P(mOu#UO~Ov#VO~O!r#WO~O!r#XO~Omo~", stateData: "1s~O!_OS~O]PO^_O_UO`VOmUOnUOoUOpUOsXO|]O!fSO!hTO!rbO~O]eO_UO`VOmUOnUOoUOpUOsXOwfOygO!fSO!hTOzfX!rfX!vfX!gfXvfX~OP!dXQ!dXR!dXS!dXT!dXU!dXV!dXW!dXX!dXY!dXZ!dX[!dX~P!QOPkOQkORlOSlO~OPkOQkORlOSlO!r!aX!v!aXv!aX~O]PO_UO`VOmUOnUOoUOpUO!fSO!hTO~OjtO!hwO!jrO!ksO~O!oxO~OP!dXQ!dXR!dXS!dX!r!aX!v!aXv!aX~O^yOutP~Oz|O!r!aX!v!aXv!aX~O]eO_UO`VOmUOnUOoUOpUO!fSO!hTO~OV!QO~O!r!RO!v!RO~OsXOw!TO~P&yOsXOwfOygOzca!rca!vca!gcavca~P&yOT!YOU!YOV!XOW!XOX!XOY!XOZ!XO[!XO~OPkOQkORlOSlO~P(mOPkOQkORlOSlO!g!ZO~O!g!ZOP!dXQ!dXR!dXS!dXT!dXU!dXV!dXW!dXX!dXY!dXZ!dX[!dX~Oz|O!g!ZO~O]![O!fSO~O!h!]O!j!]O!k!]O!l!]O!m!]O!n!]O~OjtO!h!_O!jrO!ksO~O]!`O~O^yOutX~Ou!bO~O]!cO~Oz|O!rba!vba!gbavba~Ou!fO~P(mOu!fO~O^_OsXO|]O~P$xOPkOQkORgiSgi!rgi!vgi!ggivgi~O^_OsXO|]O!r!kO~P$xO^_OsXO|]O!r!nO~P$xO!ghiuhi~P(mOv!oO~O^_OsXO|]Ov!sP~P$xO^_OsXO|]Ov!sP!Q!sP!S!sP~P$xO!r!uO~O^_OsXO|]Ov!sX!Q!sX!S!sX~P$xOv!wO~Ov!|O!Q!xO!S!{O~Ov#RO!Q!xO!S!{O~Ou#TO~Ov#RO~Ou#UO~P(mOu#UO~Ov#VO~O!r#WO~O!r#XO~Omo~",
goto: "+m!vPPPPPPPPPPPPPPPPPP!w#W#f#k#W$V$l$xP%a%aPPPP%e&OP&dPPP#fPP&gP&s&v'PP'TP&g'Z'a'h'n't'}(UPPP([(`(t)W)]*WPPP*sPPPPPP*w*wP+X+a+ad`Od!Q!b!f!k!n!q#W#XRpSiZOSd|!Q!b!f!k!n!q#W#XVhPj!czUOPS]dgjkl!Q!X!Y!b!c!f!k!n!q!x#W#XR![rdROd!Q!b!f!k!n!q#W#XQnSQ!VkR!WlQpSQ!P]Q!h!YR#P!x{UOPS]dgjkl!Q!X!Y!b!c!f!k!n!q!x#W#XTtTvdWOd!Q!b!f!k!n!q#W#XgePS]gjkl!X!Y!c!xd`Od!Q!b!f!k!n!q#W#XUfPj!cR!TgR{Xe`Od!Q!b!f!k!n!q#W#XR!m!fQ!t!nQ#Y#WR#Z#XT!y!t!zQ!}!tR#S!zQdOR!SdSjP!cR!UjQvTR!^vQzXR!azW!q!k!n#W#XR!v!qS}[qR!e}Q!z!tR#Q!zTcOdSaOdQ!g!QQ!j!bQ!l!fZ!p!k!n!q#W#Xd[Od!Q!b!f!k!n!q#W#XQqSR!d|ViPj!cdQOd!Q!b!f!k!n!q#W#XUfPj!cQmSQ!O]Q!TgQ!VkQ!WlQ!h!XQ!i!YR#O!xdWOd!Q!b!f!k!n!q#W#XdeP]gjkl!X!Y!c!xRoSTuTvmYOPdgj!Q!b!c!f!k!n!q#W#XQ!r!kV!s!n#W#Xe^Od!Q!b!f!k!n!q#W#X", goto: "+m!vPPPPPPPPPPPPPPPPPP!w#W#f#k#W$V$l$xP%a%aPPPP%e&OP&dPPP#fPP&gP&s&v'PP'TP&g'Z'a'h'n't'}(UPPP([(`(t)W)]*WPPP*sPPPPPP*w*wP+X+a+ad`Od!Q!b!f!k!n!q#W#XRpSiZOSd|!Q!b!f!k!n!q#W#XVhPj!czUOPS]dgjkl!Q!X!Y!b!c!f!k!n!q!x#W#XR![rdROd!Q!b!f!k!n!q#W#XQnSQ!VkR!WlQpSQ!P]Q!h!YR#P!x{UOPS]dgjkl!Q!X!Y!b!c!f!k!n!q!x#W#XTtTvdWOd!Q!b!f!k!n!q#W#XgePS]gjkl!X!Y!c!xd`Od!Q!b!f!k!n!q#W#XUfPj!cR!TgR{Xe`Od!Q!b!f!k!n!q#W#XR!m!fQ!t!nQ#Y#WR#Z#XT!y!t!zQ!}!tR#S!zQdOR!SdSjP!cR!UjQvTR!^vQzXR!azW!q!k!n#W#XR!v!qS}[qR!e}Q!z!tR#Q!zTcOdSaOdQ!g!QQ!j!bQ!l!fZ!p!k!n!q#W#Xd[Od!Q!b!f!k!n!q#W#XQqSR!d|ViPj!cdQOd!Q!b!f!k!n!q#W#XUfPj!cQmSQ!O]Q!TgQ!VkQ!WlQ!h!XQ!i!YR#O!xdWOd!Q!b!f!k!n!q#W#XdeP]gjkl!X!Y!c!xRoSTuTvmYOPdgj!Q!b!c!f!k!n!q#W#XQ!r!kV!s!n#W#Xe^Od!Q!b!f!k!n!q#W#X",
nodeNames: "⚠ Star Slash Plus Minus And Or Eq Neq Lt Lte Gt Gte Identifier AssignableIdentifier Word IdentifierBeforeDot Program PipeExpr FunctionCall PositionalArg ParenExpr FunctionCallOrIdentifier BinOp ConditionalOp String StringFragment Interpolation EscapeSeq Number Boolean Regex Null DotGet FunctionDef keyword Params colon end Underscore NamedArg NamedArgPrefix operator IfExpr keyword ThenBlock ThenBlock ElsifExpr keyword ElseExpr keyword Assign", nodeNames: "⚠ Star Slash Plus Minus And Or Eq Neq Lt Lte Gt Gte Identifier AssignableIdentifier Word IdentifierBeforeDot Program PipeExpr FunctionCall PositionalArg ParenExpr FunctionCallOrIdentifier BinOp ConditionalOp String StringFragment Interpolation EscapeSeq Number Boolean Regex Null DotGet FunctionDef keyword Params colon keyword Underscore NamedArg NamedArgPrefix operator IfExpr keyword ThenBlock ThenBlock ElsifExpr keyword ElseExpr keyword Assign",
maxTerm: 84, maxTerm: 84,
context: trackScope, context: trackScope,
nodeProps: [ nodeProps: [
["closedBy", 37,"end"], ["closedBy", 37,"end"]
["openedBy", 38,"colon"]
], ],
propSources: [highlighting], propSources: [highlighting],
skippedNodes: [0], skippedNodes: [0],
repeatNodeCount: 7, repeatNodeCount: 7,
tokenData: 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tokenizers: [operatorTokenizer, 0, 1, 2, 3, tokenizer], tokenizers: [operatorTokenizer, 1, 2, 3, tokenizer, new LocalTokenGroup("[~RP!O!PU~ZO!o~~", 11)],
topRules: {"Program":[0,17]}, topRules: {"Program":[0,17]},
specialized: [{term: 13, get: (value: keyof typeof spec_Identifier) => spec_Identifier[value] || -1}],
tokenPrec: 768 tokenPrec: 768
}) })

2
src/parser/tests/basics.test.ts
View File

@ -300,7 +300,7 @@ describe('Assign', () => {
Identifier a Identifier a
Plus + Plus +
Identifier b Identifier b
end end`) keyword end`)
}) })
}) })

22
src/parser/tests/control-flow.test.ts
View File

@ -45,7 +45,7 @@ describe('if/elsif/else', () => {
ThenBlock ThenBlock
FunctionCallOrIdentifier FunctionCallOrIdentifier
Identifier yes Identifier yes
end end keyword end
`) `)
}) })
@ -68,7 +68,7 @@ describe('if/elsif/else', () => {
ThenBlock ThenBlock
FunctionCallOrIdentifier FunctionCallOrIdentifier
Identifier y Identifier y
end end keyword end
`) `)
}) })
@ -92,7 +92,7 @@ describe('if/elsif/else', () => {
ThenBlock ThenBlock
FunctionCallOrIdentifier FunctionCallOrIdentifier
Identifier y Identifier y
end end keyword end
`) `)
}) })
@ -133,7 +133,21 @@ describe('if/elsif/else', () => {
ThenBlock ThenBlock
FunctionCallOrIdentifier FunctionCallOrIdentifier
Identifier oh-no Identifier oh-no
end end keyword end
`)
})
test('does not parse identifiers that start with if', () => {
expect('iffy = if true: 2').toMatchTree(`
Assign
AssignableIdentifier iffy
Eq =
IfExpr
keyword if
Boolean true
colon :
ThenBlock
Number 2
`) `)
}) })
}) })

10
src/parser/tests/dot-get.test.ts
View File

@ -36,7 +36,7 @@ describe('DotGet', () => {
DotGet DotGet
IdentifierBeforeDot config IdentifierBeforeDot config
Identifier path Identifier path
end end keyword end
`) `)
}) })
@ -50,7 +50,7 @@ describe('DotGet', () => {
DotGet DotGet
IdentifierBeforeDot x IdentifierBeforeDot x
Identifier prop Identifier prop
end end keyword end
Word x.prop Word x.prop
`) `)
}) })
@ -72,7 +72,7 @@ end`).toMatchTree(`
DotGet DotGet
IdentifierBeforeDot y IdentifierBeforeDot y
Identifier bar Identifier bar
end end keyword end
`) `)
}) })
@ -97,8 +97,8 @@ end`).toMatchTree(`
DotGet DotGet
IdentifierBeforeDot y IdentifierBeforeDot y
Identifier inner Identifier inner
end end keyword end
end end keyword end
`) `)
}) })

38
src/parser/tests/functions.test.ts
View File

@ -64,7 +64,7 @@ describe('Fn', () => {
Params Params
colon : colon :
Number 1 Number 1
end end`) keyword end`)
}) })
test('parses function with single parameter', () => { test('parses function with single parameter', () => {
@ -78,7 +78,7 @@ describe('Fn', () => {
Identifier x Identifier x
Plus + Plus +
Number 1 Number 1
end end`) keyword end`)
}) })
test('parses function with multiple parameters', () => { test('parses function with multiple parameters', () => {
@ -93,7 +93,7 @@ describe('Fn', () => {
Identifier x Identifier x
Star * Star *
Identifier y Identifier y
end end`) keyword end`)
}) })
test('parses multiline function with multiple statements', () => { test('parses multiline function with multiple statements', () => {
@ -115,6 +115,36 @@ end`).toMatchTree(`
Identifier x Identifier x
Plus + Plus +
Number 9 Number 9
end end`) keyword end`)
})
test('does not parse identifiers that start with fn', () => {
expect('fnnn = fn x: x end').toMatchTree(`
Assign
AssignableIdentifier fnnn
Eq =
FunctionDef
keyword fn
Params
AssignableIdentifier x
colon :
FunctionCallOrIdentifier
Identifier x
keyword end`)
})
test('does not parse identifiers that start with end', () => {
expect('enddd = fn x: x end').toMatchTree(`
Assign
AssignableIdentifier enddd
Eq =
FunctionDef
keyword fn
Params
AssignableIdentifier x
colon :
FunctionCallOrIdentifier
Identifier x
keyword end`)
}) })
}) })

4
src/parser/tests/multiline.test.ts
View File

@ -39,7 +39,7 @@ describe('multiline', () => {
FunctionCallOrIdentifier FunctionCallOrIdentifier
Identifier result Identifier result
end end keyword end
FunctionCall FunctionCall
Identifier add Identifier add
PositionalArg PositionalArg
@ -68,7 +68,7 @@ end
colon : colon :
FunctionCallOrIdentifier FunctionCallOrIdentifier
Identifier x Identifier x
end end keyword end
`) `)
}) })
}) })

2
src/parser/tests/pipes.test.ts
View File

@ -81,7 +81,7 @@ describe('pipe expressions', () => {
colon : colon :
FunctionCallOrIdentifier FunctionCallOrIdentifier
Identifier x Identifier x
end end keyword end
`) `)
}) })
}) })