mirror of
https://github.com/gorhill/uBlock.git
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Add detection of mismatched!#if
-!#endif
in linter
Related issue: https://github.com/uBlockOrigin/uBlock-issues/issues/1712
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parent
ac814302e0
commit
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@ -289,16 +289,14 @@
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.CodeMirror-lintmarker > * {
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position: absolute;
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}
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.CodeMirror-lintmarker[data-lint="error"] {
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.CodeMirror-lintmarker[data-error="y"] {
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background-color: var(--sf-error-ink);
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}
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.CodeMirror-lintmarker[data-lint="error"] .msg {
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display: none;
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}
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.CodeMirror-lintmarker[data-lint="error"] .msg {
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.CodeMirror-lintmarker .msg {
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background-color: var(--surface-0);
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border: 1px solid var(--sf-error-ink);
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color: var(--ink-1);
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display: none;
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filter: drop-shadow(2px 2px 4px #0008);
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left: 100%;
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padding: var(--default-gap-xsmall);
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@ -311,6 +309,9 @@
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top: 15%;
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width: 70%;
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}
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.CodeMirror-lintmarker[data-error="y"] svg {
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display: none;
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}
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.CodeMirror-lintmarker[data-fold="start"] {
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fill: var(--cm-foldmarker-ink);
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}
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@ -320,7 +321,7 @@
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.CodeMirror-lintmarker[data-fold="end"] {
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fill: var(--border-2);
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}
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.CodeMirror-lintmarker[data-lint="error"]:hover > span,
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.CodeMirror-lintmarker[data-lint="error"] > span:hover {
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.CodeMirror-lintmarker[data-error="y"]:hover > span,
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.CodeMirror-lintmarker[data-error="y"] > span:hover {
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display: initial;
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}
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@ -377,7 +377,7 @@ import { i18n$ } from '../i18n.js';
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if ( markers === null ) { return; }
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const marker = markers['CodeMirror-lintgutter'];
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if ( marker === undefined ) { return; }
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if ( marker.dataset.lint !== 'error' ) { return; }
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if ( marker.dataset.error !== 'y' ) { return; }
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const line = lineHandle.lineNo();
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if ( dir < 0 ) {
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found = line;
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@ -699,9 +699,12 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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const includeset = new Set();
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let errorCount = 0;
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const ifendifSet = new Set();
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let ifendifSetChanged = false;
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const extractMarkerDetails = (doc, lineHandle) => {
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if ( astParser.isUnsupported() ) {
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return { value: 'error', msg: 'Unsupported filter syntax' };
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return { lint: 'error', msg: 'Unsupported filter syntax' };
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}
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if ( astParser.hasError() ) {
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let msg = 'Invalid filter';
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@ -739,7 +742,7 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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}
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break;
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}
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return { value: 'error', msg };
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return { lint: 'error', msg };
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}
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if ( astParser.astType !== sfp.AST_TYPE_COMMENT ) { return; }
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if ( astParser.astTypeFlavor !== sfp.AST_TYPE_COMMENT_PREPARSER ) {
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@ -747,15 +750,23 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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for ( const include of includeset ) {
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if ( astParser.raw.endsWith(include) === false ) { continue; }
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includeset.delete(include);
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return { value: 'include-end' };
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return { lint: 'include-end' };
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}
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return;
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}
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if ( /^\s*!#if \S+/.test(astParser.raw) ) {
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return { value: 'if-start' };
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return {
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lint: 'if-start',
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data: {
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state: sfp.utils.preparser.evaluateExpr(
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astParser.getTypeString(sfp.NODE_TYPE_PREPARSE_DIRECTIVE_IF_VALUE),
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preparseDirectiveEnv
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) ? 'y' : 'n'
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}
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};
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}
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if ( /^\s*!#endif\b/.test(astParser.raw) ) {
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return { value: 'if-end' };
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return { lint: 'if-end' };
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}
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const match = /^\s*!#include\s*(\S+)/.exec(astParser.raw);
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if ( match === null ) { return; }
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@ -765,7 +776,7 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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const includeToken = `/${match[1]}`;
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if ( nextLineHandle.text.endsWith(includeToken) === false ) { return; }
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includeset.add(includeToken);
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return { value: 'include-start' };
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return { lint: 'include-start' };
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};
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const extractMarker = lineHandle => {
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@ -779,7 +790,7 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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'error': {
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node: null,
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html: [
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'<div class="CodeMirror-lintmarker" data-lint="error"> ',
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'<div class="CodeMirror-lintmarker" data-lint="error" data-error="y"> ',
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'<span class="msg"></span>',
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'</div>',
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],
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@ -787,10 +798,11 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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'if-start': {
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node: null,
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html: [
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'<div class="CodeMirror-lintmarker" data-lint="if" data-fold="start"> ',
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'<div class="CodeMirror-lintmarker" data-lint="if" data-fold="start" data-state=""> ',
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'<svg viewBox="0 0 100 100">',
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'<polygon points="0,0 100,0 50,100" />',
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'</svg>',
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'<span class="msg">Mismatched if-endif directive</span>',
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'</div>',
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],
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},
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@ -801,6 +813,7 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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'<svg viewBox="0 0 100 100">',
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'<polygon points="50,0 100,100 0,100" />',
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'</svg>',
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'<span class="msg">Mismatched if-endif directive</span>',
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'</div>',
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],
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},
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@ -826,41 +839,98 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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},
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};
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const markerFromTemplate = which => {
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const template = markerTemplates[which];
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const markerFromTemplate = details => {
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const template = markerTemplates[details.lint];
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if ( template.node === null ) {
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const domParser = new DOMParser();
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const doc = domParser.parseFromString(template.html.join(''), 'text/html');
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template.node = document.adoptNode(qs$(doc, '.CodeMirror-lintmarker'));
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}
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return template.node.cloneNode(true);
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const node = template.node.cloneNode(true);
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if ( details.data instanceof Object ) {
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for ( const [ k, v ] of Object.entries(details.data) ) {
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node.dataset[k] = `${v}`;
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}
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}
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return node;
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};
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const addMarker = (doc, lineHandle, marker, details) => {
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if ( marker !== null && marker.dataset.lint !== details.value ) {
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if ( marker && marker.dataset.lint !== details.lint ) {
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doc.setGutterMarker(lineHandle, 'CodeMirror-lintgutter', null);
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if ( marker.dataset.lint === 'error' ) {
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if ( marker.dataset.error === 'y' ) {
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errorCount -= 1;
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}
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if ( marker.dataset.lint === 'if' ) {
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ifendifSet.delete(lineHandle);
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ifendifSetChanged = true;
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}
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marker = null;
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}
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if ( marker === null ) {
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marker = markerFromTemplate(details.value);
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marker = markerFromTemplate(details);
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doc.setGutterMarker(lineHandle, 'CodeMirror-lintgutter', marker);
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if ( details.value === 'error' ) {
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if ( marker.dataset.error === 'y' ) {
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errorCount += 1;
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}
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if ( marker.dataset.lint === 'if' ) {
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ifendifSet.add(lineHandle);
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ifendifSetChanged = true;
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}
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}
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if ( typeof details.msg !== 'string' || details.msg === '' ) { return; }
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const msgElem = qs$(marker, '.msg');
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if ( msgElem === null ) { return; }
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msgElem.textContent = details.msg || '';
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msgElem.textContent = details.msg;
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};
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const removeMarker = (doc, lineHandle, marker) => {
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doc.setGutterMarker(lineHandle, 'CodeMirror-lintgutter', null);
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if ( marker.dataset.lint === 'error' ) {
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if ( marker.dataset.error === 'y' ) {
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errorCount -= 1;
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}
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if ( marker.dataset.lint === 'if' ) {
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ifendifSet.delete(lineHandle);
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ifendifSetChanged = true;
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}
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};
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// Analyze whether all if-endif are properly paired
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const processIfendifs = ( ) => {
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if ( ifendifSet.size === 0 ) { return; }
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if ( ifendifSetChanged !== true ) { return; }
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const sortFn = (a, b) => a.lineNo() - b.lineNo();
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const sorted = Array.from(ifendifSet).sort(sortFn);
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const bad = [];
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const stack = [];
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for ( const line of sorted ) {
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const marker = extractMarker(line);
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const fold = marker.dataset.fold;
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if ( fold === 'start' ) {
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stack.push(line);
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} else if ( fold === 'end' ) {
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if ( stack.length !== 0 ) {
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if ( marker.dataset.error === 'y' ) {
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marker.dataset.error = '';
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errorCount -= 1;
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}
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const ifstart = extractMarker(stack.pop());
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if ( ifstart.dataset.error === 'y' ) {
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ifstart.dataset.error = '';
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errorCount -= 1;
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}
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} else {
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bad.push(line);
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}
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}
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}
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bad.push(...stack);
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for ( const line of bad ) {
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const marker = extractMarker(line);
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marker.dataset.error = 'y';
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errorCount += 1;
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}
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ifendifSetChanged = false;
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};
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const processDeletion = (doc, change) => {
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@ -868,10 +938,12 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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doc.eachLine(from.line, to.line, lineHandle => {
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const marker = extractMarker(lineHandle);
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if ( marker === null ) { return; }
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if ( marker.dataset.lint === 'error' ) {
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if ( marker.dataset.error === 'y' ) {
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marker.dataset.error = '';
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errorCount -= 1;
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marker.dataset.lint = 'void';
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}
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ifendifSet.delete(lineHandle);
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ifendifSetChanged = true;
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});
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};
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@ -881,10 +953,10 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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astParser.parse(lineHandle.text);
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const markerDetails = extractMarkerDetails(doc, lineHandle);
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const marker = extractMarker(lineHandle);
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if ( markerDetails === undefined && marker !== null ) {
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removeMarker(doc, lineHandle, marker);
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} else if ( markerDetails !== undefined ) {
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if ( markerDetails !== undefined ) {
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addMarker(doc, lineHandle, marker, markerDetails);
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} else if ( marker !== null ) {
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removeMarker(doc, lineHandle, marker);
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}
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from += 1;
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if ( (from & 0x0F) !== 0 ) { return; }
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@ -910,6 +982,7 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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return processChangesetAsync(doc);
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}
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includeset.clear();
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processIfendifs(doc);
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CodeMirror.signal(doc.getEditor(), 'linterDone', { errorCount });
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};
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@ -922,13 +995,14 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
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};
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const onChanges = (cm, changes) => {
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if ( changes.length === 0 ) { return; }
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const doc = cm.getDoc();
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for ( const change of changes ) {
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const from = change.from.line;
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const to = from + change.text.length;
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changeset.push({ from, to });
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processChangesetAsync(doc);
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}
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processChangesetAsync(doc);
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};
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const onBeforeChanges = (cm, change) => {
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@ -1224,6 +1224,7 @@ export class AstFilterParser {
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? NODE_TYPE_PREPARSE_DIRECTIVE_IF_VALUE
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: NODE_TYPE_PREPARSE_DIRECTIVE_VALUE;
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const next = this.allocTypedNode(type, directiveEnd, parentEnd);
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this.addNodeToRegister(type, next);
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this.linkRight(head, next);
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if ( type === NODE_TYPE_PREPARSE_DIRECTIVE_IF_VALUE ) {
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const rawToken = this.getNodeString(next).trim();
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