Added LLDB support (fix #39)
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WebFreak001
parent
bcf46a7e81
commit
35afccfd77
12 changed files with 756 additions and 376 deletions
314
src/mibase.ts
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314
src/mibase.ts
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import { DebugSession, InitializedEvent, TerminatedEvent, StoppedEvent, OutputEvent, Thread, StackFrame, Scope, Source, Handles } from 'vscode-debugadapter';
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import { DebugProtocol } from 'vscode-debugprotocol';
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import { Breakpoint, IBackend } from './backend/backend';
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import { MINode } from './backend/mi_parse';
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import { expandValue, isExpandable } from './backend/gdb_expansion';
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import { MI2 } from './backend/mi2/mi2';
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import { posix } from "path";
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import * as systemPath from "path";
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let resolve = posix.resolve;
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let relative = posix.relative;
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export class MI2DebugSession extends DebugSession {
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protected static THREAD_ID = 1;
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protected variableHandles = new Handles<any>();
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protected quit: boolean;
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protected attached: boolean;
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protected needContinue: boolean;
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protected isSSH: boolean;
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protected trimCWD: string;
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protected switchCWD: string;
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protected started: boolean;
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protected crashed: boolean;
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protected miDebugger: MI2;
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public constructor(debuggerLinesStartAt1: boolean, isServer: boolean = false) {
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super(debuggerLinesStartAt1, isServer);
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}
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protected initDebugger() {
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this.miDebugger.on("quit", this.quitEvent.bind(this));
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this.miDebugger.on("exited-normally", this.quitEvent.bind(this));
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this.miDebugger.on("stopped", this.stopEvent.bind(this));
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this.miDebugger.on("msg", this.handleMsg.bind(this));
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this.miDebugger.on("breakpoint", this.handleBreakpoint.bind(this));
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this.miDebugger.on("step-end", this.handleBreak.bind(this));
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this.miDebugger.on("step-out-end", this.handleBreak.bind(this));
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this.miDebugger.on("signal-stop", this.handlePause.bind(this));
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this.sendEvent(new InitializedEvent());
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}
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protected handleMsg(type: string, msg: string) {
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if (type == "target")
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type = "stdout";
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if (type == "log")
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type = "stderr";
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this.sendEvent(new OutputEvent(msg, type));
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}
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protected handleBreakpoint(info: MINode) {
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this.sendEvent(new StoppedEvent("breakpoint", MI2DebugSession.THREAD_ID));
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}
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protected handleBreak(info: MINode) {
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this.sendEvent(new StoppedEvent("step", MI2DebugSession.THREAD_ID));
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}
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protected handlePause(info: MINode) {
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this.sendEvent(new StoppedEvent("user request", MI2DebugSession.THREAD_ID));
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}
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protected stopEvent(info: MINode) {
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if (!this.started)
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this.crashed = true;
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if (!this.quit)
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this.sendEvent(new StoppedEvent("exception", MI2DebugSession.THREAD_ID));
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}
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protected quitEvent() {
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this.quit = true;
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this.sendEvent(new TerminatedEvent());
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}
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protected disconnectRequest(response: DebugProtocol.DisconnectResponse, args: DebugProtocol.DisconnectArguments): void {
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if (this.attached)
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this.miDebugger.detach();
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else
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this.miDebugger.stop();
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this.sendResponse(response);
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}
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protected setBreakPointsRequest(response: DebugProtocol.SetBreakpointsResponse, args: DebugProtocol.SetBreakpointsArguments): void {
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this.miDebugger.once("debug-ready", (() => {
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this.miDebugger.clearBreakPoints().then(() => {
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let path = args.source.path;
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if (this.isSSH) {
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path = relative(this.trimCWD.replace(/\\/g, "/"), path.replace(/\\/g, "/"));
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path = resolve(this.switchCWD.replace(/\\/g, "/"), path.replace(/\\/g, "/"));
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}
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let all = [];
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args.breakpoints.forEach(brk => {
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all.push(this.miDebugger.addBreakPoint({ file: path, line: brk.line, condition: brk.condition }));
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});
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Promise.all(all).then(brkpoints => {
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let finalBrks = [];
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brkpoints.forEach(brkp => {
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if (brkp[0])
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finalBrks.push({ line: brkp[1].line });
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});
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response.body = {
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breakpoints: finalBrks
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};
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setTimeout(() => {
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this.miDebugger.emit("ui-break-done");
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}, 50);
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this.sendResponse(response);
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});
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});
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}).bind(this));
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}
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protected threadsRequest(response: DebugProtocol.ThreadsResponse): void {
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response.body = {
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threads: [
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new Thread(MI2DebugSession.THREAD_ID, "Thread 1")
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]
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};
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this.sendResponse(response);
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}
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protected stackTraceRequest(response: DebugProtocol.StackTraceResponse, args: DebugProtocol.StackTraceArguments): void {
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this.miDebugger.getStack(args.levels).then(stack => {
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let ret: StackFrame[] = [];
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stack.forEach(element => {
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let file = element.file;
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if (this.isSSH) {
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file = relative(this.switchCWD.replace(/\\/g, "/"), file.replace(/\\/g, "/"));
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file = systemPath.resolve(this.trimCWD.replace(/\\/g, "/"), file.replace(/\\/g, "/"));
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}
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ret.push(new StackFrame(element.level, element.function + "@" + element.address, new Source(element.fileName, file), element.line, 0));
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});
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response.body = {
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stackFrames: ret
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};
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this.sendResponse(response);
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});
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}
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protected configurationDoneRequest(response: DebugProtocol.ConfigurationDoneResponse, args: DebugProtocol.ConfigurationDoneArguments): void {
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// FIXME: Does not seem to get called in january release
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if (this.needContinue) {
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this.miDebugger.continue().then(done => {
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this.sendResponse(response);
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}, msg => {
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this.sendResponse(response);
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this.sendEvent(new OutputEvent(`Could not continue: ${msg}\n`, 'stderr'));
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});
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}
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else
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this.sendResponse(response);
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}
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protected scopesRequest(response: DebugProtocol.ScopesResponse, args: DebugProtocol.ScopesArguments): void {
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const scopes = new Array<Scope>();
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scopes.push(new Scope("Local", this.variableHandles.create("@frame:" + args.frameId), false));
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response.body = {
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scopes: scopes
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};
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this.sendResponse(response);
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}
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protected variablesRequest(response: DebugProtocol.VariablesResponse, args: DebugProtocol.VariablesArguments): void {
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const variables = [];
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const id = this.variableHandles.get(args.variablesReference);
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let createVariable = (arg) => {
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return this.variableHandles.create(arg);
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};
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if (typeof id == "string") {
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if (id.startsWith("@frame:")) {
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this.miDebugger.getStackVariables(1, 0).then(stack => {
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stack.forEach(variable => {
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if (variable[1] !== undefined) {
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let expanded = expandValue(createVariable, `{${variable[0]} = ${variable[1]}}`);
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if (!expanded)
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new OutputEvent("Could not expand " + variable[1] + "\n", "stderr");
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else if (typeof expanded[0] == "string")
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expanded = [
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{
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name: "<value>",
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value: prettyStringArray(expanded),
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variablesReference: 0
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}
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];
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variables.push(expanded[0]);
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} else
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variables.push({
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name: variable[0],
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value: "<unknown>",
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variablesReference: createVariable(variable[0])
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});
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});
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response.body = {
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variables: variables
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};
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this.sendResponse(response);
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}, err => {
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this.handleMsg("stderr", "Could not expand variable\n");
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response.body = {
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variables: []
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};
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this.sendResponse(response);
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});
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}
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else {
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// Variable members
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this.miDebugger.evalExpression(JSON.stringify(id)).then(variable => {
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let expanded = expandValue(createVariable, variable.result("value"), id);
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if (!expanded)
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this.sendEvent(new OutputEvent("Could not expand " + variable.result("value") + "\n", "stderr"));
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else if (typeof expanded[0] == "string")
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expanded = [
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{
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name: "<value>",
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value: prettyStringArray(expanded),
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variablesReference: 0
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}
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];
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response.body = {
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variables: expanded
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};
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this.sendResponse(response);
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}, err => {
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this.handleMsg("stderr", "Could not expand variable\n");
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response.body = {
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variables: []
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};
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this.sendResponse(response);
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});
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}
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}
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else if (typeof id == "object") {
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response.body = {
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variables: id
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};
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this.sendResponse(response);
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}
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else {
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response.body = {
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variables: variables
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};
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this.sendResponse(response);
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}
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}
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protected pauseRequest(response: DebugProtocol.ContinueResponse, args: DebugProtocol.ContinueArguments): void {
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this.miDebugger.interrupt().then(done => {
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this.sendResponse(response);
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}, msg => {
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this.sendResponse(response);
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this.sendEvent(new OutputEvent(`Could not pause: ${msg}\n`, 'stderr'));
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});
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}
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protected continueRequest(response: DebugProtocol.ContinueResponse, args: DebugProtocol.ContinueArguments): void {
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this.miDebugger.continue().then(done => {
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this.sendResponse(response);
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}, msg => {
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this.sendResponse(response);
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this.sendEvent(new OutputEvent(`Could not continue: ${msg}\n`, 'stderr'));
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});
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}
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protected stepInRequest(response: DebugProtocol.NextResponse, args: DebugProtocol.NextArguments): void {
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this.miDebugger.step().then(done => {
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this.sendResponse(response);
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}, msg => {
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this.sendResponse(response);
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this.sendEvent(new OutputEvent(`Could not step in: ${msg}\n`, 'stderr'));
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});
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}
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protected stepOutRequest(response: DebugProtocol.NextResponse, args: DebugProtocol.NextArguments): void {
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this.miDebugger.stepOut().then(done => {
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this.sendResponse(response);
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}, msg => {
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this.sendResponse(response);
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this.sendEvent(new OutputEvent(`Could not step out: ${msg}\n`, 'stderr'));
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});
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}
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protected nextRequest(response: DebugProtocol.NextResponse, args: DebugProtocol.NextArguments): void {
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this.miDebugger.next().then(done => {
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this.sendResponse(response);
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}, msg => {
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this.sendResponse(response);
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this.sendEvent(new OutputEvent(`Could not step over: ${msg}\n`, 'stderr'));
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});
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}
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protected evaluateRequest(response: DebugProtocol.EvaluateResponse, args: DebugProtocol.EvaluateArguments): void {
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if (args.context == "watch" || args.context == "hover")
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this.miDebugger.evalExpression(args.expression).then((res) => {
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response.body = {
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variablesReference: 0,
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result: res.result("value")
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}
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this.sendResponse(response);
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});
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else {
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this.miDebugger.sendUserInput(args.expression).then(output => {
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if (output)
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response.body.result = JSON.stringify(output);
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this.sendResponse(response);
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});
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}
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}
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}
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function prettyStringArray(strings: string[]) {
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return strings.join(", ");
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}
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