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/* 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 {
getSymbols,
getSelectedFrame,
getCurrentThread,
} from "../../selectors";
// a is an ast location with start and end positions (line and column).
// b is a single position (line and column).
// This function tests to see if the b position
// falls within the range given in a.
function inHouseContainsPosition(a, b) {
const bColumn = b.column || 0;
const startsBefore =
a.start.line < b.line ||
(a.start.line === b.line && a.start.column <= bColumn);
const endsAfter =
a.end.line > b.line || (a.end.line === b.line && a.end.column >= bColumn);
return startsBefore && endsAfter;
}
export function highlightCalls(cx) {
return async function ({ dispatch, getState, parserWorker }) {
if (!cx) {
return null;
}
const frame = await getSelectedFrame(
getState(),
getCurrentThread(getState())
);
if (!frame || !parserWorker.isLocationSupported(frame.location)) {
return null;
}
const { thread } = cx;
const originalAstScopes = await parserWorker.getScopes(frame.location);
if (!originalAstScopes) {
return null;
}
const symbols = getSymbols(getState(), frame.location);
if (!symbols) {
return null;
}
if (!symbols.callExpressions) {
return null;
}
const localAstScope = originalAstScopes[0];
const allFunctionCalls = symbols.callExpressions;
const highlightedCalls = allFunctionCalls.filter(function (call) {
const containsStart = inHouseContainsPosition(
localAstScope,
call.location.start
);
const containsEnd = inHouseContainsPosition(
localAstScope,
call.location.end
);
return containsStart && containsEnd;
});
return dispatch({
type: "HIGHLIGHT_CALLS",
thread,
highlightedCalls,
});
};
}
export function unhighlightCalls(cx) {
return async function ({ dispatch, getState }) {
const { thread } = cx;
return dispatch({
type: "UNHIGHLIGHT_CALLS",
thread,
});
};
}
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