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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 {
validateNavigateContext,
validateContext,
validateSelectedFrame,
validateBreakpoint,
validateSource,
validateSourceActor,
validateThreadFrames,
validateFrame,
} from "../../../utils/context";
function validateActionContext(getState, action) {
if (action.type == "COMMAND" && action.status == "done") {
// The thread will have resumed execution since the action was initiated,
// so just make sure we haven't navigated.
validateNavigateContext(getState(), action.cx);
return;
}
// Validate using all available information in the context.
validateContext(getState(), action.cx);
}
// Middleware which looks for actions that have a cx property and ignores
// them if the context is no longer valid.
function context({ getState }) {
return next => action => {
if ("cx" in action) {
validateActionContext(getState, action);
}
// Validate actions specific to a Source object.
// This will throw if the source has been removed,
// i.e. when the source has been removed from all the threads where it existed.
if ("source" in action) {
validateSource(getState(), action.source);
}
// Validate actions specific to a Source Actor object.
// This will throw if the source actor has been removed,
// i.e. when the source actor's thread has been removed.
if ("sourceActor" in action) {
validateSourceActor(getState(), action.sourceActor);
}
// Similar to sourceActor assertion, but with a distinct attribute name
if ("generatedSourceActor" in action) {
validateSourceActor(getState(), action.generatedSourceActor);
}
// Validate actions specific to a given breakpoint.
// This will throw if the breakpoint's location is obsolete.
// i.e. when the related source has been removed.
if ("breakpoint" in action) {
validateBreakpoint(getState(), action.breakpoint);
}
// Validate actions specific to the currently selected paused frame.
// It will throw if we resumed or moved to another frame in the call stack.
//
// Ignore falsy selectedFrame as sometimes it can be null
// for expression actions.
if (action.selectedFrame) {
validateSelectedFrame(getState(), action.selectedFrame);
}
// Validate actions specific to a given pause location.
// This will throw if we resumed or paused in another location.
// Compared to selected frame, this would not throw if we moved to another frame in the call stack.
if ("thread" in action && "frames" in action) {
validateThreadFrames(getState(), action.thread, action.frames);
}
// Validate actions specific to a given frame while being paused.
// This will throw if we resumed or paused in another location.
// But compared to selected frame, this would not throw if we moved to another frame in the call stack.
// This ends up being similar to "pause location" case, but with different arguments.
if ("frame" in action) {
validateFrame(getState(), action.frame);
}
return next(action);
};
}
export { context };
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