From 042917e6e3bc3cb05e08e487ee8a7d0d4ae3af6b Mon Sep 17 00:00:00 2001
From: vsrs <vit@conrlab.com>
Date: Wed, 29 Apr 2020 13:10:42 +0300
Subject: Configuration settings and source maps support

---
 editors/code/package.json              | 19 +++++++++++++++++++
 editors/code/src/cargo.ts              |  1 -
 editors/code/src/commands/runnables.ts | 33 +++++++++++++++++++++++++--------
 editors/code/src/config.ts             |  9 ++++++++-
 4 files changed, 52 insertions(+), 10 deletions(-)

(limited to 'editors')

diff --git a/editors/code/package.json b/editors/code/package.json
index b8aaa07d8..aa8065171 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -388,6 +388,25 @@
                     "description": "Enable Proc macro support, cargo.loadOutDirsFromCheck must be enabled.",
                     "type": "boolean",
                     "default": false
+                },
+                "rust-analyzer.debug.engine": {
+                    "type": [
+                        "null",
+                        "string"
+                    ],
+                    "enum": [
+                        "ms-vscode.cpptools",
+                        "vadimcn.vscode-lldb"
+                    ],
+                    "default": null,
+                    "description": "Preffered debug engine."
+                },
+                "rust-analyzer.debug.sourceFileMap" : {
+                    "type":"object",
+                    "description": "Optional source file mappings passed to the debug engine.",
+                    "default": {
+                        "<source-path>": "<target-path>"
+                    }
                 }
             }
         },
diff --git a/editors/code/src/cargo.ts b/editors/code/src/cargo.ts
index d119b6225..5999187f4 100644
--- a/editors/code/src/cargo.ts
+++ b/editors/code/src/cargo.ts
@@ -1,4 +1,3 @@
-import { window } from 'vscode';
 import * as cp from 'child_process';
 import * as readline from 'readline';
 
diff --git a/editors/code/src/commands/runnables.ts b/editors/code/src/commands/runnables.ts
index 26db18156..befb8b366 100644
--- a/editors/code/src/commands/runnables.ts
+++ b/editors/code/src/commands/runnables.ts
@@ -63,7 +63,7 @@ export function runSingle(ctx: Ctx): Cmd {
     };
 }
 
-function getLldbDebugConfig(config: ra.Runnable) : vscode.DebugConfiguration {
+function getLldbDebugConfig(config: ra.Runnable, sourceFileMap: Record<string, string>): vscode.DebugConfiguration {
     return {
         type: "lldb",
         request: "launch",
@@ -72,11 +72,12 @@ function getLldbDebugConfig(config: ra.Runnable) : vscode.DebugConfiguration {
             args: config.args,
         },
         args: config.extraArgs,
-        cwd: config.cwd
+        cwd: config.cwd,
+        sourceMap: sourceFileMap
     };
 }
 
-async function getCppvsDebugConfig(config: ra.Runnable) : Promise<vscode.DebugConfiguration> {
+async function getCppvsDebugConfig(config: ra.Runnable, sourceFileMap: Record<string, string>): Promise<vscode.DebugConfiguration> {
     let cargo = new Cargo(config.cwd || '.');
     let executable = await cargo.executableFromArgs(config.args, config.extraArgs);
 
@@ -87,6 +88,7 @@ async function getCppvsDebugConfig(config: ra.Runnable) : Promise<vscode.DebugCo
         program: executable,
         args: config.extraArgs,
         cwd: config.cwd,
+        sourceFileMap: sourceFileMap,
     };
 }
 
@@ -95,15 +97,30 @@ export function debugSingle(ctx: Ctx): Cmd {
         const editor = ctx.activeRustEditor;
         if (!editor) return;
 
-        const mscpp = vscode.extensions.getExtension("ms-vscode.cpptools");
-        const lldb = vscode.extensions.getExtension("vadimcn.vscode-lldb");
+        const lldbId = "vadimcn.vscode-lldb";
+        const cpptoolsId = "ms-vscode.cpptools";
+
+        let debugEngineId = ctx.config.debug.engine;
+        let debugEngine = null;
+        if (!debugEngineId) {
+            debugEngine = vscode.extensions.getExtension(lldbId);
+            if (!debugEngine) {
+                debugEngine = vscode.extensions.getExtension(cpptoolsId);
+            }
+        }
+        else {
+            debugEngine = vscode.extensions.getExtension(debugEngineId);
+        }
 
-        if (!(lldb || mscpp)) {
-            vscode.window.showErrorMessage("Install `vadimcn.vscode-lldb` or `ms-vscode.cpptools` extension for debugging");
+        if (!debugEngine) {
+            vscode.window.showErrorMessage(`Install [CodeLLDB](https://marketplace.visualstudio.com/items?itemName=${lldbId})`
+            + ` or [MS C++ tools](https://marketplace.visualstudio.com/items?itemName=${cpptoolsId}) extension for debugging.`);
             return;
         }
 
-        const debugConfig = lldb ? getLldbDebugConfig(config) : await getCppvsDebugConfig(config);
+        const debugConfig = lldbId == debugEngine.id
+            ? getLldbDebugConfig(config, ctx.config.debug.sourceFileMap)
+            : await getCppvsDebugConfig(config, ctx.config.debug.sourceFileMap);
 
         return vscode.debug.startDebugging(undefined, debugConfig);
     };
diff --git a/editors/code/src/config.ts b/editors/code/src/config.ts
index 3b2eec8ba..7764a2179 100644
--- a/editors/code/src/config.ts
+++ b/editors/code/src/config.ts
@@ -92,7 +92,6 @@ export class Config {
     get askBeforeDownload() { return this.get<boolean>("updates.askBeforeDownload"); }
     get traceExtension() { return this.get<boolean>("trace.extension"); }
 
-
     get inlayHints() {
         return {
             typeHints: this.get<boolean>("inlayHints.typeHints"),
@@ -107,4 +106,12 @@ export class Config {
             command: this.get<string>("checkOnSave.command"),
         };
     }
+
+    get debug() {
+        return {
+            engine: this.get<null | string>("debug.engine"),
+            sourceFileMap: this.get<Record<string, string>>("debug.sourceFileMap"),
+        };
+    }
+
 }
-- 
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