578 lines
14 KiB
JavaScript
578 lines
14 KiB
JavaScript
define(['core/ArrayUtilities'], (array) => {
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'use strict';
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const CM_ERROR = {type: 'error line-error', then: {'': 0}};
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function suggestionsEqual(a, b) {
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return (
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(a.v === b.v) &&
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(a.prefix === b.prefix) &&
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(a.suffix === b.suffix) &&
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(a.q === b.q)
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);
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}
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const makeCommands = ((() => {
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// The order of commands inside "then" blocks directly influences the
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// order they are displayed to the user in autocomplete menus.
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// This relies on the fact that common JS engines maintain insertion
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// order in objects, though this is not guaranteed. It could be switched
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// to use Map objects instead for strict compliance, at the cost of
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// extra syntax.
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const end = {type: '', suggest: '\n', then: {}};
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const hiddenEnd = {type: '', then: {}};
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function textTo(exit, suggest) {
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return {
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type: 'string',
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suggest,
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then: Object.assign({'': 0}, exit),
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};
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}
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const textToEnd = textTo({'\n': end});
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const aliasListToEnd = {
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type: 'variable',
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suggest: {known: 'Agent'},
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then: {
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'': 0,
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'\n': end,
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',': {type: 'operator', suggest: true, then: {'': 1}},
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'as': {type: 'keyword', suggest: true, then: {
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'': {type: 'variable', suggest: {known: 'Agent'}, then: {
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'': 0,
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',': {type: 'operator', suggest: true, then: {'': 3}},
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'\n': end,
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}},
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}},
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},
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};
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function agentListTo(exit) {
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return {
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type: 'variable',
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suggest: {known: 'Agent'},
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then: Object.assign({},
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exit,
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{
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'': 0,
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',': {type: 'operator', suggest: true, then: {'': 1}},
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}
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),
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};
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}
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const colonTextToEnd = {
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type: 'operator',
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suggest: true,
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then: {'': textToEnd, '\n': hiddenEnd},
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};
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const agentListToText = agentListTo({
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':': colonTextToEnd,
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});
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const agentList2ToText = {
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type: 'variable',
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suggest: {known: 'Agent'},
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then: {
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'': 0,
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',': {type: 'operator', suggest: true, then: {
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'': agentListToText,
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}},
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':': CM_ERROR,
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},
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};
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const singleAgentToText = {
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type: 'variable',
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suggest: {known: 'Agent'},
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then: {
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'': 0,
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',': CM_ERROR,
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':': colonTextToEnd,
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},
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};
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const agentToOptText = {
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type: 'variable',
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suggest: {known: 'Agent'},
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then: {
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'': 0,
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':': {type: 'operator', suggest: true, then: {
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'': textToEnd,
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'\n': hiddenEnd,
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}},
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'\n': end,
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},
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};
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const referenceName = {
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':': {type: 'operator', suggest: true, then: {
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'': textTo({
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'as': {type: 'keyword', suggest: true, then: {
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'': {
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type: 'variable',
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suggest: {known: 'Agent'},
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then: {
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'': 0,
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'\n': end,
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},
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},
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}},
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}),
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}},
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};
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const refDef = {type: 'keyword', suggest: true, then: Object.assign({
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'over': {type: 'keyword', suggest: true, then: {
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'': agentListTo(referenceName),
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}},
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}, referenceName)};
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function makeSideNote(side) {
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return {
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type: 'keyword',
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suggest: [side + ' of ', side + ': '],
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then: {
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'of': {type: 'keyword', suggest: true, then: {
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'': agentListToText,
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}},
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':': {type: 'operator', suggest: true, then: {
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'': textToEnd,
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}},
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'': agentListToText,
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},
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};
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}
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function makeOpBlock(exit, sourceExit) {
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const op = {type: 'operator', suggest: true, then: {
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'+': CM_ERROR,
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'-': CM_ERROR,
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'*': CM_ERROR,
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'!': CM_ERROR,
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'': exit,
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}};
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return {
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'+': {type: 'operator', suggest: true, then: {
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'+': CM_ERROR,
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'-': CM_ERROR,
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'*': op,
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'!': CM_ERROR,
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'': exit,
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}},
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'-': {type: 'operator', suggest: true, then: {
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'+': CM_ERROR,
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'-': CM_ERROR,
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'*': op,
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'!': {type: 'operator', then: {
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'+': CM_ERROR,
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'-': CM_ERROR,
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'*': CM_ERROR,
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'!': CM_ERROR,
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'': exit,
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}},
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'': exit,
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}},
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'*': {type: 'operator', suggest: true, then: Object.assign({
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'+': op,
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'-': op,
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'*': CM_ERROR,
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'!': CM_ERROR,
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'': exit,
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}, sourceExit)},
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'!': op,
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'': exit,
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};
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}
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function makeCMConnect(arrows) {
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const connect = {
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type: 'keyword',
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suggest: true,
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then: makeOpBlock(agentToOptText, {
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':': colonTextToEnd,
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'\n': hiddenEnd,
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}),
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};
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const then = {'': 0};
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arrows.forEach((arrow) => (then[arrow] = connect));
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then[':'] = {
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type: 'operator',
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suggest: true,
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override: 'Label',
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then: {},
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};
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return makeOpBlock(
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{type: 'variable', suggest: {known: 'Agent'}, then},
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then
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);
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}
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const BASE_THEN = {
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'title': {type: 'keyword', suggest: true, then: {
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'': textToEnd,
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}},
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'theme': {type: 'keyword', suggest: true, then: {
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'': {
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type: 'string',
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suggest: {
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global: 'themes',
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suffix: '\n',
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},
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then: {
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'': 0,
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'\n': end,
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},
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},
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}},
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'headers': {type: 'keyword', suggest: true, then: {
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'none': {type: 'keyword', suggest: true, then: {}},
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'cross': {type: 'keyword', suggest: true, then: {}},
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'box': {type: 'keyword', suggest: true, then: {}},
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'fade': {type: 'keyword', suggest: true, then: {}},
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'bar': {type: 'keyword', suggest: true, then: {}},
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}},
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'terminators': {type: 'keyword', suggest: true, then: {
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'none': {type: 'keyword', suggest: true, then: {}},
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'cross': {type: 'keyword', suggest: true, then: {}},
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'box': {type: 'keyword', suggest: true, then: {}},
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'fade': {type: 'keyword', suggest: true, then: {}},
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'bar': {type: 'keyword', suggest: true, then: {}},
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}},
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'define': {type: 'keyword', suggest: true, then: {
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'': aliasListToEnd,
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'as': CM_ERROR,
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}},
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'begin': {type: 'keyword', suggest: true, then: {
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'': aliasListToEnd,
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'reference': refDef,
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'as': CM_ERROR,
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}},
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'end': {type: 'keyword', suggest: true, then: {
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'': aliasListToEnd,
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'as': CM_ERROR,
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'\n': end,
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}},
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'if': {type: 'keyword', suggest: true, then: {
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'': textToEnd,
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':': {type: 'operator', suggest: true, then: {
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'': textToEnd,
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}},
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'\n': end,
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}},
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'else': {type: 'keyword', suggest: ['else\n', 'else if: '], then: {
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'if': {type: 'keyword', suggest: 'if: ', then: {
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'': textToEnd,
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':': {type: 'operator', suggest: true, then: {
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'': textToEnd,
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}},
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}},
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'\n': end,
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}},
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'repeat': {type: 'keyword', suggest: true, then: {
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'': textToEnd,
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':': {type: 'operator', suggest: true, then: {
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'': textToEnd,
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}},
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'\n': end,
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}},
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'note': {type: 'keyword', suggest: true, then: {
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'over': {type: 'keyword', suggest: true, then: {
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'': agentListToText,
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}},
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'left': makeSideNote('left'),
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'right': makeSideNote('right'),
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'between': {type: 'keyword', suggest: true, then: {
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'': agentList2ToText,
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}},
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}},
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'state': {type: 'keyword', suggest: 'state over ', then: {
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'over': {type: 'keyword', suggest: true, then: {
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'': singleAgentToText,
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}},
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}},
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'text': {type: 'keyword', suggest: true, then: {
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'left': makeSideNote('left'),
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'right': makeSideNote('right'),
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}},
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'autolabel': {type: 'keyword', suggest: true, then: {
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'off': {type: 'keyword', suggest: true, then: {}},
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'': textTo({'\n': end}, [
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{v: '<label>', suffix: '\n', q: true},
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{v: '[<inc>] <label>', suffix: '\n', q: true},
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{v: '[<inc 1,0.01>] <label>', suffix: '\n', q: true},
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]),
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}},
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'simultaneously': {type: 'keyword', suggest: true, then: {
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':': {type: 'operator', suggest: true, then: {}},
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'with': {type: 'keyword', suggest: true, then: {
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'': {type: 'variable', suggest: {known: 'Label'}, then: {
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'': 0,
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':': {type: 'operator', suggest: true, then: {}},
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}},
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}},
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}},
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};
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return (arrows) => {
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return {
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type: 'error line-error',
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then: Object.assign({}, BASE_THEN, makeCMConnect(arrows)),
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};
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};
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})());
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function cmCappedToken(token, current) {
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if(Object.keys(current.then).length > 0) {
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return {v: token, suffix: ' ', q: false};
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} else {
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return {v: token, suffix: '\n', q: false};
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}
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}
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function cmGetSuggestions(state, token, current) {
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let suggestions = current.suggest;
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if(!Array.isArray(suggestions)) {
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suggestions = [suggestions];
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}
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return array.flatMap(suggestions, (suggest) => {
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if(suggest === true) {
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return [cmCappedToken(token, current)];
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} else if(typeof suggest === 'object') {
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if(suggest.known) {
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return state['known' + suggest.known] || [];
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} else {
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return [suggest];
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}
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} else if(typeof suggest === 'string' && suggest) {
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return [{v: suggest, q: (token === '')}];
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} else {
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return [];
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}
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});
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}
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function cmMakeCompletions(state, path) {
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const comp = [];
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const current = array.last(path);
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Object.keys(current.then).forEach((token) => {
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let next = current.then[token];
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if(typeof next === 'number') {
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next = path[path.length - next - 1];
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}
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array.mergeSets(
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comp,
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cmGetSuggestions(state, token, next),
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suggestionsEqual
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);
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});
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return comp;
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}
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function updateSuggestion(state, locals, token, {suggest, override}) {
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let known = null;
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if(typeof suggest === 'object' && suggest.known) {
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known = suggest.known;
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}
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if(locals.type && known !== locals.type) {
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if(override) {
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locals.type = override;
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}
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array.mergeSets(
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state['known' + locals.type],
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[{v: locals.value, suffix: ' ', q: true}],
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suggestionsEqual
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);
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locals.type = '';
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locals.value = '';
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}
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if(known) {
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locals.type = known;
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if(locals.value) {
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locals.value += token.s;
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}
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locals.value += token.v;
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}
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}
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function cmCheckToken(state, eol, commands) {
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const suggestions = {
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type: '',
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value: '',
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};
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let current = commands;
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const path = [current];
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state.line.forEach((token, i) => {
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if(i === state.line.length - 1) {
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state.completions = cmMakeCompletions(state, path);
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}
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const keywordToken = token.q ? '' : token.v;
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let found = current.then[keywordToken];
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if(found === undefined) {
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found = current.then[''];
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state.isVar = true;
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} else {
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state.isVar = token.q;
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}
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if(typeof found === 'number') {
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path.length -= found;
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} else {
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path.push(found || CM_ERROR);
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}
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current = array.last(path);
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updateSuggestion(state, suggestions, token, current);
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});
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if(eol) {
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updateSuggestion(state, suggestions, null, {});
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}
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state.nextCompletions = cmMakeCompletions(state, path);
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state.valid = (
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Boolean(current.then['\n']) ||
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Object.keys(current.then).length === 0
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);
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return current.type;
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}
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function getInitialToken(block) {
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const baseToken = (block.baseToken || {});
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return {
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value: baseToken.v || '',
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quoted: baseToken.q || false,
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};
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}
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return class Mode {
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constructor(tokenDefinitions, arrows) {
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this.tokenDefinitions = tokenDefinitions;
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this.commands = makeCommands(arrows);
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this.lineComment = '#';
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}
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startState() {
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return {
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currentType: -1,
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current: '',
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currentSpace: '',
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currentQuoted: false,
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knownAgent: [],
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knownLabel: [],
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beginCompletions: cmMakeCompletions({}, [this.commands]),
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completions: [],
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nextCompletions: [],
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valid: true,
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isVar: true,
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line: [],
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indent: 0,
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};
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}
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_matchPattern(stream, pattern, consume) {
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if(!pattern) {
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return null;
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}
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pattern.lastIndex = 0;
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return stream.match(pattern, consume);
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}
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_tokenBegin(stream, state) {
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state.currentSpace = '';
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let lastChar = '';
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while(true) {
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if(stream.eol()) {
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return false;
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}
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state.currentSpace += lastChar;
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for(let i = 0; i < this.tokenDefinitions.length; ++ i) {
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const block = this.tokenDefinitions[i];
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if(this._matchPattern(stream, block.start, true)) {
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state.currentType = i;
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const {value, quoted} = getInitialToken(block);
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state.current = value;
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state.currentQuoted = quoted;
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return true;
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}
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}
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lastChar = stream.next();
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}
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}
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_tokenCheckEscape(stream, state, block) {
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const match = this._matchPattern(stream, block.escape, true);
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if(match) {
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state.current += block.escapeWith(match);
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}
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}
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_addToken(state) {
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state.line.push({
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v: state.current,
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s: state.currentSpace,
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q: state.currentQuoted,
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});
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}
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_tokenEndFound(stream, state, block, match) {
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state.currentType = -1;
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if(block.includeEnd) {
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state.current += match[0];
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}
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if(block.omit) {
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return 'comment';
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}
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this._addToken(state);
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return cmCheckToken(state, stream.eol(), this.commands);
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}
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_tokenEOLFound(stream, state, block) {
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state.current += '\n';
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if(block.omit) {
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return 'comment';
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}
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this._addToken(state);
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const type = cmCheckToken(state, false, this.commands);
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state.line.pop();
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return type;
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}
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_tokenEnd(stream, state) {
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while(true) {
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const block = this.tokenDefinitions[state.currentType];
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this._tokenCheckEscape(stream, state, block);
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if(!block.end) {
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return this._tokenEndFound(stream, state, block, null);
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} else {
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const match = this._matchPattern(stream, block.end, true);
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if(match) {
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return this._tokenEndFound(stream, state, block, match);
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}
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}
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if(stream.eol()) {
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return this._tokenEOLFound(stream, state, block);
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}
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state.current += stream.next();
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}
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}
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token(stream, state) {
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state.completions = state.nextCompletions;
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state.isVar = true;
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if(stream.sol() && state.currentType === -1) {
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state.line.length = 0;
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}
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let type = '';
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if(state.currentType !== -1 || this._tokenBegin(stream, state)) {
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type = this._tokenEnd(stream, state);
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}
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if(state.currentType === -1 && stream.eol() && !state.valid) {
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return 'line-error ' + type;
|
|
} else {
|
|
return type;
|
|
}
|
|
}
|
|
|
|
indent(state) {
|
|
return state.indent;
|
|
}
|
|
};
|
|
});
|