mirror of
https://github.com/duhanbalci/dexpr.git
synced 2026-07-01 16:19:16 +00:00
448 lines
16 KiB
JavaScript
448 lines
16 KiB
JavaScript
// src/index.ts
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import { LanguageSupport } from "@codemirror/language";
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// src/language.ts
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import { LRLanguage } from "@codemirror/language";
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import { styleTags, tags } from "@lezer/highlight";
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// src/parser.js
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import { LRParser } from "@lezer/lr";
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// src/tokens.ts
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import { ExternalTokenizer } from "@lezer/lr";
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// src/parser.terms.js
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var elseIf = 44;
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// src/tokens.ts
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var CH_e = 101;
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var CH_l = 108;
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var CH_s = 115;
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var CH_i = 105;
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var CH_f = 102;
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var CH_SPACE = 32;
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var CH_TAB = 9;
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var CH_NL = 10;
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var CH_CR = 13;
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var elseIfTokenizer = new ExternalTokenizer((input) => {
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if (input.next !== CH_e) return;
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if (input.peek(1) !== CH_l) return;
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if (input.peek(2) !== CH_s) return;
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if (input.peek(3) !== CH_e) return;
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let pos = 4;
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const ch = input.peek(pos);
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if (ch !== CH_SPACE && ch !== CH_TAB && ch !== CH_NL && ch !== CH_CR) return;
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while (true) {
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const c = input.peek(pos);
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if (c === CH_SPACE || c === CH_TAB || c === CH_NL || c === CH_CR) {
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pos++;
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} else {
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break;
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}
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}
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if (input.peek(pos) !== CH_i) return;
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if (input.peek(pos + 1) !== CH_f) return;
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const after = input.peek(pos + 2);
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if (after >= 97 && after <= 122 || // a-z
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after >= 65 && after <= 90 || // A-Z
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after >= 48 && after <= 57 || // 0-9
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after === 95)
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return;
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input.acceptToken(elseIf, pos + 2);
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});
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// src/parser.js
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var spec_identifier = { __proto__: null, if: 11, true: 21, false: 21, in: 43, then: 69, else: 71, end: 73 };
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var parser = LRParser.deserialize({
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version: 14,
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states: "+^Q]QQOOOOQP'#Cb'#CbOOQP'#Ce'#CeOwQQO'#CiO`QQO'#CjO#TQRO'#DTO%bQRO'#D_OOQP'#D_'#D_O%iQRO'#D_OOQP'#D]'#D]OOQP'#DU'#DUQ]QQOOOwQQO'#C`O&eQQO,59TO&lQRO'#D_O(zQRO,59UO`QQO,59XO`QQO,59XO`QQO,59XO`QQO,59XO`QQO,59XO)wQQO,59hO)|QQO'#CzOOQP,59i,59iO`QQO,59mOOQP-E7S-E7SO*TQQO,58zOOQP1G.o1G.oO+oQRO1G.sO+vQRO1G.sO-bQRO1G.sO-iQRO1G.sO.[QRO1G.sOOQP'#Cy'#CyOOQP1G/S1G/SO/[QQO'#D`OOQP,59f,59fO/fQQO,59fO/kQRO1G/XO0bQRO1G.fO0oQQO1G/SOOQP7+$i7+$iOwQQO'#DVO1pQQO,59zOOQP1G/Q1G/QO1xQRO7+$QO2TQRO7+$QOwQQO'#DWOOQP7+$Q7+$QO2bQQO7+$QO2iQQO,59qOOQO-E7T-E7TOOQP-E7U-E7UOOQP<<Gl<<GlO2sQQO<<GlO2zQRO<<GlO3VQQO,59rO2sQQO<<GlO3^QQOAN=WOOQPAN=WAN=WO3^QQOAN=WO3eQRO1G/^OOQPG22rG22rO3rQQOG22rO3yQRO7+$xOOQPLD(^LD(^O)wQQO,59hO5RQQO1G.sO5YQQO1G.sO6[QQO1G.sO6cQQO1G.sO6jQQO1G.sO7QQQO,59UOwQQO,59XOwQQO,59XOwQQO,59XOwQQO,59XOwQQO,59XOwQQO'#Cj",
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stateData: "7n~O!OOSPOSQOS~OT[OVVOWVOYQO[RO_SO`SO!QPO~OVVOWVOYQO[RO_!pO`!pO!QPO~O_cOb`OcaOdbOebOfcOgdOhdOidOjdOleO~OTwXVwXWwXYwX[wX`wX{wX!QwXswXtwX|wX~P!`OvhOT!RXV!RXW!RXY!RX_!RX`!RXb!RXc!RXd!RXe!RXf!RXg!RXh!RXi!RXj!RXl!RX{!RX!Q!RXs!RXt!RX|!RX~O[fO~P#zO[!RX~P#zO_!nOb!kOc!lOd!mOe!mOf!nOg!oOh!oOi!oOj!oOl!dO~OZkO~P%pO[fOZ!RX_!RXb!RXc!RXd!RXe!RXf!RXg!RXh!RXi!RXj!RXl!RXT!RXV!RXW!RXY!RX`!RX{!RX!Q!RXr!RXo!RXs!RXt!RX|!RX~Ob^ac^ad^ae^af^ag^ah^ai^aj^a~O_cOleOT^aV^aW^aY^a[^a`^a{^a!Q^as^at^a|^a~P(]O!QqO~OZtO~PwOrwO~P%pO_cOdbOebOfcOgdOhdOidOjdOleOTaiVaiWaiYai[ai`aibai{ai!Qaisaitai|ai~OcaO~P*[Ocai~P*[O_cOgdOhdOidOjdOleOTaiVaiWaiYai[ai`aibaicaidaieai{ai!Qaisaitai|ai~OfcO~P+}Ofai~P+}Obaicaidaieaifaigaihaiiai~O_cOjdOleOTaiVaiWaiYai[ai`ai{ai!Qaisaitai|ai~P-pOozOZ!SX~P%pOZ|O~OTuiVuiWuiYui[ui`ui{ui!Quisuitui|ui~P!`Os!ROt!QO|!PO~P]O[fOZpi_pibpicpidpiepifpigpihpiipijpilpirpiopi~OozOZ!Sa~Os!WOt!VO|!PO~Os!WOt!VO|!PO~P]Ot!VO~P]OZyaoya~P%pOt!]O~P]Os!^Ot!]O|!PO~Or!_O~P%pOt!`O~P]Oszitzi|zi~P]Ot!cO~P]Oszqtzq|zq~P]O_!nOd!mOe!mOf!nOg!oOh!oOi!oOj!oOl!dOZaibairaioai~Oc!lO~P4WOcai~P4WO_!nOg!oOh!oOi!oOj!oOl!dOZaibaicaidaieairaioai~Of!nO~P5aOfai~P5aO_!nOj!oOl!dOZairaioai~P-pO_!nOl!dOZ^ar^ao^a~P(]OvdjgQPQh~",
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goto: "'n!TPPPP!UP!dPP#WPPP#W#WPP#WPPPPPPPPP#WP#x$OP$V#WPPP!UP!U$y%e%kPPPP%uP&T'kiXOZw!O!R!W!Z![!^!_!a!bhUOZw!O!R!W!Z![!^!_!a!bu^RS[`abcdfhz!P!k!l!m!n!o!p!_VORSZ[`abcdfhwz!O!P!R!W!Z![!^!_!a!b!k!l!m!n!o!pQreRx!dSgU^RyxtVRS[`abcdfhz!P!k!l!m!n!o!piWOZw!O!R!W!Z![!^!_!a!bQZO[iZ!O!Z![!a!bQ!OwQ!Z!RQ![!WQ!a!^R!b!_Q{sR!T{Q}wS!U}!XR!X!OiYOZw!O!R!W!Z![!^!_!a!bhTOZw!O!R!W!Z![!^!_!a!bQ]RQ_SQj[Ql`QmaQnbQocQpdQsfQvhQ!SzQ!Y!PQ!e!kQ!f!lQ!g!mQ!h!nQ!i!oR!j!pRuf",
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nodeNames: "\u26A0 LineComment BlockComment Program IfStatement if VariableName Number String BooleanLiteral BooleanLiteral ) ( ParenExpression UnaryExpression - ! BinaryExpression || && CompareOp in + * / % Power MethodCall . PropertyName ArgList , PropertyAccess FunctionCall then else end Assignment AssignOp ExprStatement",
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maxTerm: 50,
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nodeProps: [
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["group", -3, 4, 37, 39, "Statement", -10, 6, 7, 8, 9, 13, 14, 17, 27, 32, 33, "Expression"],
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["openedBy", 11, "("],
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["closedBy", 12, ")"]
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],
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skippedNodes: [0, 1, 2],
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repeatNodeCount: 3,
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tokenData: "+p~RiXY!pYZ!p]^!ppq!pqr#Rrs#`uv%Svw%awx%lxy'Zyz'`z{'e{|'u|}'}}!O(S!O!P([!P!Q(a!Q![*X!^!_*r!_!`*z!`!a*r!c!}+S#R#S+S#T#o+S#p#q+e~!uS!O~XY!pYZ!p]^!ppq!p~#WP`~!_!`#Z~#`Od~~#cWOY#`Zr#`rs#{s#O#`#O#P$Q#P;'S#`;'S;=`$|<%lO#`~$QOW~~$TRO;'S#`;'S;=`$^;=`O#`~$aXOY#`Zr#`rs#{s#O#`#O#P$Q#P;'S#`;'S;=`$|;=`<%l#`<%lO#`~%PP;=`<%l#`~%XPi~!_!`%[~%aOv~~%dPvw%g~%lOc~~%oWOY%lZw%lwx#{x#O%l#O#P&X#P;'S%l;'S;=`'T<%lO%l~&[RO;'S%l;'S;=`&e;=`O%l~&hXOY%lZw%lwx#{x#O%l#O#P&X#P;'S%l;'S;=`'T;=`<%l%l<%lO%l~'WP;=`<%l%l~'`O[~~'eOZ~~'jQg~z{'p!_!`%[~'uOj~~'zPf~!_!`%[~(SOo~~(XP_~!_!`%[~(aOl~~(fRh~z{(o!P!Q)p!_!`%[~(rTOz(oz{)R{;'S(o;'S;=`)j<%lO(o~)UTO!P(o!P!Q)e!Q;'S(o;'S;=`)j<%lO(o~)jOQ~~)mP;=`<%l(o~)uSP~OY)pZ;'S)p;'S;=`*R<%lO)p~*UP;=`<%l)p~*^QV~!O!P*d!Q![*X~*gP!Q![*j~*oPV~!Q![*j~*wPd~!_!`#Z~+PPv~!_!`#Z~+XS!Q~!Q![+S!c!}+S#R#S+S#T#o+S~+hP#p#q+k~+pOb~",
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tokenizers: [elseIfTokenizer, 0],
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topRules: { "Program": [0, 3] },
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specialized: [{ term: 48, get: (value) => spec_identifier[value] || -1 }],
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tokenPrec: 1033
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});
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// src/language.ts
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var dexprHighlighting = styleTags({
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"if then else end in elseIf": tags.keyword,
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BooleanLiteral: tags.bool,
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String: tags.string,
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Number: tags.number,
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LineComment: tags.lineComment,
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BlockComment: tags.blockComment,
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"CompareOp AssignOp Power": tags.compareOperator,
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'"+" "-" "*" "/" "%" "!" "||" "&&"': tags.operator,
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VariableName: tags.variableName,
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PropertyName: tags.propertyName,
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"FunctionCall/VariableName": tags.function(tags.variableName),
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'"(" ")"': tags.paren,
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'","': tags.separator,
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'"."': tags.derefOperator
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});
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var dexprLanguage = LRLanguage.define({
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name: "dexpr",
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parser: parser.configure({
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props: [dexprHighlighting]
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}),
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languageData: {
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commentTokens: { line: "//", block: { open: "/*", close: "*/" } },
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closeBrackets: { brackets: ["(", '"', "'"] }
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}
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});
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// src/completions.ts
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import {
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autocompletion
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} from "@codemirror/autocomplete";
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import { syntaxTree } from "@codemirror/language";
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function funcToCompletion(f) {
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return {
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label: f.name,
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type: "function",
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detail: f.signature,
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info: f.doc
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};
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}
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function methodToCompletion(m) {
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return {
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label: m.name,
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type: "method",
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detail: m.signature,
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info: m.doc
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};
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}
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function varToCompletion(v) {
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return {
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label: v.name,
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type: "variable",
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detail: v.type,
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info: v.doc
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};
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}
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var KEYWORDS = [
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{ label: "if", type: "keyword" },
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{ label: "then", type: "keyword" },
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{ label: "else", type: "keyword" },
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{ label: "end", type: "keyword" },
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{ label: "true", type: "keyword", detail: "Boolean" },
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{ label: "false", type: "keyword", detail: "Boolean" },
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{ label: "in", type: "keyword", detail: "membership test" }
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];
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function inferVariableTypes(context, knownVars) {
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const types = new Map(knownVars);
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const tree = syntaxTree(context.state);
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const doc = context.state.doc;
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tree.iterate({
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enter(node) {
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if (node.name !== "Assignment") return;
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const varNode = node.node.firstChild;
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if (!varNode || varNode.name !== "VariableName") return;
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const varName = doc.sliceString(varNode.from, varNode.to);
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const assignOp = varNode.nextSibling;
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if (!assignOp) return;
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const exprNode = assignOp.nextSibling;
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if (!exprNode) return;
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const exprType = inferExprType(exprNode, doc, types);
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if (exprType) types.set(varName, exprType);
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}
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});
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return types;
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}
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function inferExprType(node, doc, knownTypes) {
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switch (node.name) {
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case "String":
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return "String";
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case "Number":
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return "Number";
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case "BooleanLiteral":
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return "Boolean";
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case "VariableName": {
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const name = doc.sliceString(node.from, node.to);
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return knownTypes.get(name) ?? null;
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}
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case "MethodCall": {
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const propNode = findChild(node, "PropertyName");
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if (!propNode) return null;
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const method = doc.sliceString(propNode.from, propNode.to);
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return inferMethodReturnType(method);
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}
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case "BinaryExpression": {
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const first = node.firstChild;
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if (first) {
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const t = inferExprType(first, doc, knownTypes);
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if (t === "String") return "String";
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if (t === "Number") return "Number";
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}
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return null;
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}
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case "PropertyAccess": {
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const objNode = node.firstChild;
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const propNode = findChild(node, "PropertyName");
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if (!objNode || !propNode) return null;
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if (objNode.name === "VariableName") {
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const varName = doc.sliceString(objNode.from, objNode.to);
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const fieldName = doc.sliceString(propNode.from, propNode.to);
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const rootType = knownTypes.get(varName);
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if (rootType === "Object") {
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return knownTypes.get(`${varName}.${fieldName}`) ?? null;
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}
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}
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return null;
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}
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case "FunctionCall":
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case "ParenExpression":
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return null;
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default:
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return null;
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}
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}
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function findChild(node, name) {
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let child = node.firstChild;
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while (child) {
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if (child.name === name) return child;
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child = child.nextSibling;
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}
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return null;
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}
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function inferMethodReturnType(method) {
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switch (method) {
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// String -> String
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case "upper":
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case "lower":
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case "trim":
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case "trimStart":
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case "trimEnd":
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case "replace":
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case "charAt":
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case "substring":
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return "String";
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// String -> Boolean
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case "contains":
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case "startsWith":
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case "endsWith":
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case "isEmpty":
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return "Boolean";
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// String -> Number
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case "length":
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case "len":
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case "indexOf":
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return "Number";
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// String -> StringList
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case "split":
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return "StringList";
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// List -> aggregate
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case "sum":
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case "avg":
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case "min":
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case "max":
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case "first":
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case "last":
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return "Number";
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// List methods returning lists
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case "reverse":
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case "sort":
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case "slice":
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return null;
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// depends on input type
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case "join":
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return "String";
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// List methods
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case "map":
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return null;
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// depends on field type (NumberList, StringList, or List)
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case "filter":
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return "List";
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case "find":
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return null;
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// returns single element
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default:
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return null;
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}
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}
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function dedup(items) {
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const seen = /* @__PURE__ */ new Set();
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return items.filter((item) => {
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if (seen.has(item.label)) return false;
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seen.add(item.label);
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return true;
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});
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}
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function dexprCompletion(info) {
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const functionCompletions = info.functions.map(funcToCompletion);
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const variableCompletions = (info.variables ?? []).map(varToCompletion);
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const methodsByType = {};
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for (const [type, methods] of Object.entries(info.methods)) {
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methodsByType[type] = (methods ?? []).map(methodToCompletion);
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}
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const allMethods = dedup(
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Object.values(methodsByType).flat()
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);
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const allIdentifiers = [
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...KEYWORDS,
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...functionCompletions,
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...variableCompletions
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];
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const configVarTypes = /* @__PURE__ */ new Map();
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for (const v of info.variables ?? []) {
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configVarTypes.set(v.name, v.type);
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}
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const objectFieldCompletions = /* @__PURE__ */ new Map();
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for (const v of info.variables ?? []) {
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if ((v.type === "Object" || v.type === "List") && v.fields) {
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const fieldItems = [];
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for (const f of v.fields) {
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configVarTypes.set(`${v.name}.${f.name}`, f.type);
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fieldItems.push({
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label: f.name,
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type: "property",
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detail: f.type
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});
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}
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objectFieldCompletions.set(v.name, fieldItems);
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}
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}
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function resolveDotPath(context, dotPos, varTypes) {
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const tree = syntaxTree(context.state);
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const doc = context.state.doc;
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const path = [];
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let pos = dotPos;
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while (true) {
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const nodeAtPos = tree.resolveInner(pos, -1);
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if (nodeAtPos.name === "PropertyName") {
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path.unshift(doc.sliceString(nodeAtPos.from, nodeAtPos.to));
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const dotCharPos = nodeAtPos.from - 1;
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if (dotCharPos >= 0 && doc.sliceString(dotCharPos, dotCharPos + 1) === ".") {
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pos = dotCharPos;
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continue;
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}
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break;
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} else if (nodeAtPos.name === "VariableName") {
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path.unshift(doc.sliceString(nodeAtPos.from, nodeAtPos.to));
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break;
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} else {
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break;
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}
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}
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if (path.length === 0) return { type: null, path };
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const rootType = varTypes.get(path[0]) ?? null;
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if (path.length === 1) return { type: rootType, path };
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let currentType = rootType;
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for (let i = 1; i < path.length; i++) {
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if (currentType !== "Object") {
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return { type: currentType, path };
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}
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const key = `${path[i - 1]}.${path[i]}`;
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const fieldType = varTypes.get(key) ?? null;
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currentType = fieldType;
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}
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return { type: currentType, path };
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}
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function completions(context) {
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const tree = syntaxTree(context.state);
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const node = tree.resolveInner(context.pos, -1);
|
|
if (node.name === "String" || node.name === "LineComment" || node.name === "BlockComment")
|
|
return null;
|
|
const dotMatch = context.matchBefore(/\.\w*/);
|
|
if (dotMatch) {
|
|
const dotPos = dotMatch.from;
|
|
const beforeNode = tree.resolveInner(dotPos, -1);
|
|
const varTypes = inferVariableTypes(context, configVarTypes);
|
|
if (beforeNode.name === "Number") {
|
|
return null;
|
|
}
|
|
const { type: resolvedType, path } = resolveDotPath(context, dotPos, varTypes);
|
|
let finalType = resolvedType;
|
|
if (!finalType) {
|
|
if (beforeNode.name === "String") finalType = "String";
|
|
else if (beforeNode.name === "BooleanLiteral") finalType = "Boolean";
|
|
}
|
|
let options;
|
|
if (finalType === "Object") {
|
|
const rootVarName = path[0];
|
|
const fieldItems = objectFieldCompletions.get(rootVarName) ?? [];
|
|
const objMethods = methodsByType["Object"] ?? [];
|
|
options = [...fieldItems, ...objMethods];
|
|
} else if (finalType === "List") {
|
|
const rootVarName = path[0];
|
|
const listMethods = methodsByType["List"] ?? [];
|
|
options = [...listMethods];
|
|
} else if (finalType) {
|
|
options = methodsByType[finalType] ?? allMethods;
|
|
} else {
|
|
options = allMethods;
|
|
}
|
|
if (options.length === 0) return null;
|
|
return {
|
|
from: dotMatch.from + 1,
|
|
options,
|
|
validFor: /^\w*$/
|
|
};
|
|
}
|
|
const wordMatch = context.matchBefore(/[a-zA-Z_]\w*/);
|
|
if (!wordMatch && !context.explicit) return null;
|
|
if (wordMatch && wordMatch.from === wordMatch.to && !context.explicit)
|
|
return null;
|
|
return {
|
|
from: wordMatch?.from ?? context.pos,
|
|
options: allIdentifiers,
|
|
validFor: /^\w*$/
|
|
};
|
|
}
|
|
return autocompletion({ override: [completions] });
|
|
}
|
|
|
|
// src/highlight.ts
|
|
import { HighlightStyle, syntaxHighlighting } from "@codemirror/language";
|
|
import { tags as tags2 } from "@lezer/highlight";
|
|
var dexprHighlightStyle = HighlightStyle.define([
|
|
{ tag: tags2.keyword, color: "#7c3aed" },
|
|
{ tag: tags2.bool, color: "#d97706" },
|
|
{ tag: tags2.string, color: "#059669" },
|
|
{ tag: tags2.number, color: "#2563eb" },
|
|
{ tag: tags2.lineComment, color: "#9ca3af", fontStyle: "italic" },
|
|
{ tag: tags2.blockComment, color: "#9ca3af", fontStyle: "italic" },
|
|
{ tag: tags2.operator, color: "#dc2626" },
|
|
{ tag: tags2.compareOperator, color: "#dc2626" },
|
|
{ tag: tags2.variableName, color: "#1f2937" },
|
|
{ tag: tags2.propertyName, color: "#0891b2" },
|
|
{ tag: tags2.function(tags2.variableName), color: "#9333ea" },
|
|
{ tag: tags2.paren, color: "#6b7280" },
|
|
{ tag: tags2.separator, color: "#6b7280" },
|
|
{ tag: tags2.derefOperator, color: "#6b7280" }
|
|
]);
|
|
function dexprHighlighting2() {
|
|
return syntaxHighlighting(dexprHighlightStyle);
|
|
}
|
|
|
|
// src/index.ts
|
|
function dexpr(config) {
|
|
const extensions = [
|
|
new LanguageSupport(dexprLanguage),
|
|
dexprCompletion(config)
|
|
];
|
|
if (config.highlighting !== false) {
|
|
extensions.push(dexprHighlighting2());
|
|
}
|
|
return extensions;
|
|
}
|
|
export {
|
|
KEYWORDS,
|
|
dexpr,
|
|
dexprCompletion,
|
|
dexprHighlightStyle,
|
|
dexprHighlighting2 as dexprHighlighting,
|
|
dexprLanguage
|
|
};
|