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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Emitter, Event } from 'vs/base/common/event';
import { IContextKey, IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
import { CONTEXT_DISASSEMBLE_REQUEST_SUPPORTED, CONTEXT_EXPRESSION_SELECTED, CONTEXT_FOCUSED_SESSION_IS_ATTACH, CONTEXT_FOCUSED_STACK_FRAME_HAS_INSTRUCTION_POINTER_REFERENCE, CONTEXT_JUMP_TO_CURSOR_SUPPORTED, CONTEXT_LOADED_SCRIPTS_SUPPORTED, CONTEXT_MULTI_SESSION_DEBUG, CONTEXT_RESTART_FRAME_SUPPORTED, CONTEXT_SET_EXPRESSION_SUPPORTED, CONTEXT_SET_VARIABLE_SUPPORTED, CONTEXT_STEP_BACK_SUPPORTED, CONTEXT_STEP_INTO_TARGETS_SUPPORTED, CONTEXT_TERMINATE_DEBUGGEE_SUPPORTED, IDebugSession, IExpression, IExpressionContainer, IStackFrame, IThread, IViewModel } from 'vs/workbench/contrib/debug/common/debug';
import { isSessionAttach } from 'vs/workbench/contrib/debug/common/debugUtils';
export class ViewModel implements IViewModel {
firstSessionStart = true;
private _focusedStackFrame: IStackFrame | undefined;
private _focusedSession: IDebugSession | undefined;
private _focusedThread: IThread | undefined;
private selectedExpression: { expression: IExpression; settingWatch: boolean } | undefined;
private readonly _onDidFocusSession = new Emitter<IDebugSession | undefined>();
private readonly _onDidFocusStackFrame = new Emitter<{ stackFrame: IStackFrame | undefined; explicit: boolean }>();
private readonly _onDidSelectExpression = new Emitter<{ expression: IExpression; settingWatch: boolean } | undefined>();
private readonly _onDidEvaluateLazyExpression = new Emitter<IExpressionContainer>();
private readonly _onWillUpdateViews = new Emitter<void>();
private expressionSelectedContextKey!: IContextKey<boolean>;
private loadedScriptsSupportedContextKey!: IContextKey<boolean>;
private stepBackSupportedContextKey!: IContextKey<boolean>;
private focusedSessionIsAttach!: IContextKey<boolean>;
private restartFrameSupportedContextKey!: IContextKey<boolean>;
private stepIntoTargetsSupported!: IContextKey<boolean>;
private jumpToCursorSupported!: IContextKey<boolean>;
private setVariableSupported!: IContextKey<boolean>;
private setExpressionSupported!: IContextKey<boolean>;
private multiSessionDebug!: IContextKey<boolean>;
private terminateDebuggeeSuported!: IContextKey<boolean>;
private disassembleRequestSupported!: IContextKey<boolean>;
private focusedStackFrameHasInstructionPointerReference!: IContextKey<Boolean>;
constructor(private contextKeyService: IContextKeyService) {
contextKeyService.bufferChangeEvents(() => {
this.expressionSelectedContextKey = CONTEXT_EXPRESSION_SELECTED.bindTo(contextKeyService);
this.loadedScriptsSupportedContextKey = CONTEXT_LOADED_SCRIPTS_SUPPORTED.bindTo(contextKeyService);
this.stepBackSupportedContextKey = CONTEXT_STEP_BACK_SUPPORTED.bindTo(contextKeyService);
this.focusedSessionIsAttach = CONTEXT_FOCUSED_SESSION_IS_ATTACH.bindTo(contextKeyService);
this.restartFrameSupportedContextKey = CONTEXT_RESTART_FRAME_SUPPORTED.bindTo(contextKeyService);
this.stepIntoTargetsSupported = CONTEXT_STEP_INTO_TARGETS_SUPPORTED.bindTo(contextKeyService);
this.jumpToCursorSupported = CONTEXT_JUMP_TO_CURSOR_SUPPORTED.bindTo(contextKeyService);
this.setVariableSupported = CONTEXT_SET_VARIABLE_SUPPORTED.bindTo(contextKeyService);
this.setExpressionSupported = CONTEXT_SET_EXPRESSION_SUPPORTED.bindTo(contextKeyService);
this.multiSessionDebug = CONTEXT_MULTI_SESSION_DEBUG.bindTo(contextKeyService);
this.terminateDebuggeeSuported = CONTEXT_TERMINATE_DEBUGGEE_SUPPORTED.bindTo(contextKeyService);
this.disassembleRequestSupported = CONTEXT_DISASSEMBLE_REQUEST_SUPPORTED.bindTo(contextKeyService);
this.focusedStackFrameHasInstructionPointerReference = CONTEXT_FOCUSED_STACK_FRAME_HAS_INSTRUCTION_POINTER_REFERENCE.bindTo(contextKeyService);
});
}
getId(): string {
return 'root';
}
get focusedSession(): IDebugSession | undefined {
return this._focusedSession;
}
get focusedThread(): IThread | undefined {
return this._focusedThread;
}
get focusedStackFrame(): IStackFrame | undefined {
return this._focusedStackFrame;
}
setFocus(stackFrame: IStackFrame | undefined, thread: IThread | undefined, session: IDebugSession | undefined, explicit: boolean): void {
const shouldEmitForStackFrame = this._focusedStackFrame !== stackFrame;
const shouldEmitForSession = this._focusedSession !== session;
this._focusedStackFrame = stackFrame;
this._focusedThread = thread;
this._focusedSession = session;
this.contextKeyService.bufferChangeEvents(() => {
this.loadedScriptsSupportedContextKey.set(session ? !!session.capabilities.supportsLoadedSourcesRequest : false);
this.stepBackSupportedContextKey.set(session ? !!session.capabilities.supportsStepBack : false);
this.restartFrameSupportedContextKey.set(session ? !!session.capabilities.supportsRestartFrame : false);
this.stepIntoTargetsSupported.set(session ? !!session.capabilities.supportsStepInTargetsRequest : false);
this.jumpToCursorSupported.set(session ? !!session.capabilities.supportsGotoTargetsRequest : false);
this.setVariableSupported.set(session ? !!session.capabilities.supportsSetVariable : false);
this.setExpressionSupported.set(session ? !!session.capabilities.supportsSetExpression : false);
this.terminateDebuggeeSuported.set(session ? !!session.capabilities.supportTerminateDebuggee : false);
this.disassembleRequestSupported.set(!!session?.capabilities.supportsDisassembleRequest);
this.focusedStackFrameHasInstructionPointerReference.set(!!stackFrame?.instructionPointerReference);
const attach = !!session && isSessionAttach(session);
this.focusedSessionIsAttach.set(attach);
});
if (shouldEmitForSession) {
this._onDidFocusSession.fire(session);
}
if (shouldEmitForStackFrame) {
this._onDidFocusStackFrame.fire({ stackFrame, explicit });
}
}
get onDidFocusSession(): Event<IDebugSession | undefined> {
return this._onDidFocusSession.event;
}
get onDidFocusStackFrame(): Event<{ stackFrame: IStackFrame | undefined; explicit: boolean }> {
return this._onDidFocusStackFrame.event;
}
getSelectedExpression(): { expression: IExpression; settingWatch: boolean } | undefined {
return this.selectedExpression;
}
setSelectedExpression(expression: IExpression | undefined, settingWatch: boolean) {
this.selectedExpression = expression ? { expression, settingWatch: settingWatch } : undefined;
this.expressionSelectedContextKey.set(!!expression);
this._onDidSelectExpression.fire(this.selectedExpression);
}
get onDidSelectExpression(): Event<{ expression: IExpression; settingWatch: boolean } | undefined> {
return this._onDidSelectExpression.event;
}
get onDidEvaluateLazyExpression(): Event<IExpressionContainer> {
return this._onDidEvaluateLazyExpression.event;
}
updateViews(): void {
this._onWillUpdateViews.fire();
}
get onWillUpdateViews(): Event<void> {
return this._onWillUpdateViews.event;
}
isMultiSessionView(): boolean {
return !!this.multiSessionDebug.get();
}
setMultiSessionView(isMultiSessionView: boolean): void {
this.multiSessionDebug.set(isMultiSessionView);
}
async evaluateLazyExpression(expression: IExpressionContainer): Promise<void> {
await expression.evaluateLazy();
this._onDidEvaluateLazyExpression.fire(expression);
}
}
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