Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 185 insertions, 0 deletions

diff --git a/devtools/client/debugger/src/selectors/visibleColumnBreakpoints.js b/devtools/client/debugger/src/selectors/visibleColumnBreakpoints.js
new file mode 100644
index 0000000000..5ed391c7e4
--- /dev/null
+++ b/devtools/client/debugger/src/selectors/visibleColumnBreakpoints.js
@@ -0,0 +1,185 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+import { createSelector } from "reselect";
+
+import {
+  getViewport,
+  getSelectedSource,
+  getSelectedSourceTextContent,
+  getBreakpointPositionsForSource,
+} from "./index";
+import { getVisibleBreakpoints } from "./visibleBreakpoints";
+import { getSelectedLocation } from "../utils/selected-location";
+import { sortSelectedLocations } from "../utils/location";
+import { getLineText } from "../utils/source";
+
+function contains(location, range) {
+  return (
+    location.line >= range.start.line &&
+    location.line <= range.end.line &&
+    (!location.column ||
+      (location.column >= range.start.column &&
+        location.column <= range.end.column))
+  );
+}
+
+function groupBreakpoints(breakpoints, selectedSource) {
+  const breakpointsMap = {};
+  if (!breakpoints) {
+    return breakpointsMap;
+  }
+
+  for (const breakpoint of breakpoints) {
+    if (breakpoint.options.hidden) {
+      continue;
+    }
+    const location = getSelectedLocation(breakpoint, selectedSource);
+    const { line, column } = location;
+
+    if (!breakpointsMap[line]) {
+      breakpointsMap[line] = {};
+    }
+
+    if (!breakpointsMap[line][column]) {
+      breakpointsMap[line][column] = [];
+    }
+
+    breakpointsMap[line][column].push(breakpoint);
+  }
+
+  return breakpointsMap;
+}
+
+function findBreakpoint(location, breakpointMap) {
+  const { line, column } = location;
+  const breakpoints = breakpointMap[line]?.[column];
+
+  if (!breakpoints) {
+    return null;
+  }
+  return breakpoints[0];
+}
+
+function filterByLineCount(positions, selectedSource) {
+  const lineCount = {};
+
+  for (const breakpoint of positions) {
+    const { line } = getSelectedLocation(breakpoint, selectedSource);
+    if (!lineCount[line]) {
+      lineCount[line] = 0;
+    }
+    lineCount[line] = lineCount[line] + 1;
+  }
+
+  return positions.filter(
+    breakpoint =>
+      lineCount[getSelectedLocation(breakpoint, selectedSource).line] > 1
+  );
+}
+
+function filterVisible(positions, selectedSource, viewport) {
+  return positions.filter(columnBreakpoint => {
+    const location = getSelectedLocation(columnBreakpoint, selectedSource);
+    return viewport && contains(location, viewport);
+  });
+}
+
+function filterByBreakpoints(positions, selectedSource, breakpointMap) {
+  return positions.filter(position => {
+    const location = getSelectedLocation(position, selectedSource);
+    return breakpointMap[location.line];
+  });
+}
+
+// Filters out breakpoints to the right of the line. (bug 1552039)
+function filterInLine(positions, selectedSource, selectedContent) {
+  return positions.filter(position => {
+    const location = getSelectedLocation(position, selectedSource);
+    const lineText = getLineText(
+      selectedSource.id,
+      selectedContent,
+      location.line
+    );
+
+    return lineText.length >= (location.column || 0);
+  });
+}
+
+function formatPositions(positions, selectedSource, breakpointMap) {
+  return positions.map(position => {
+    const location = getSelectedLocation(position, selectedSource);
+    return {
+      location,
+      breakpoint: findBreakpoint(location, breakpointMap),
+    };
+  });
+}
+
+function convertToList(breakpointPositions) {
+  return [].concat(...Object.values(breakpointPositions));
+}
+
+export function getColumnBreakpoints(
+  positions,
+  breakpoints,
+  viewport,
+  selectedSource,
+  selectedSourceTextContent
+) {
+  if (!positions || !selectedSource) {
+    return [];
+  }
+
+  // We only want to show a column breakpoint if several conditions are matched
+  // - it is the first breakpoint to appear at an the original location
+  // - the position is in the current viewport
+  // - there is atleast one other breakpoint on that line
+  // - there is a breakpoint on that line
+  const breakpointMap = groupBreakpoints(breakpoints, selectedSource);
+  positions = filterByLineCount(positions, selectedSource);
+  positions = filterVisible(positions, selectedSource, viewport);
+  positions = filterInLine(
+    positions,
+    selectedSource,
+    selectedSourceTextContent
+  );
+  positions = filterByBreakpoints(positions, selectedSource, breakpointMap);
+
+  return formatPositions(positions, selectedSource, breakpointMap);
+}
+
+const getVisibleBreakpointPositions = createSelector(
+  state => {
+    const source = getSelectedSource(state);
+    if (!source) {
+      return null;
+    }
+    return getBreakpointPositionsForSource(state, source.id);
+  },
+  sourcePositions => {
+    return convertToList(sourcePositions || []);
+  }
+);
+
+export const visibleColumnBreakpoints = createSelector(
+  getVisibleBreakpointPositions,
+  getVisibleBreakpoints,
+  getViewport,
+  getSelectedSource,
+  getSelectedSourceTextContent,
+  getColumnBreakpoints
+);
+
+export function getFirstBreakpointPosition(state, location) {
+  const positions = getBreakpointPositionsForSource(state, location.sourceId);
+  if (!positions) {
+    return null;
+  }
+
+  return sortSelectedLocations(convertToList(positions), location.source).find(
+    position =>
+      getSelectedLocation(position, location.source).line == location.line
+  );
+}