feat: Implement advanced copy functions

package.json

@@ -568,6 +568,57 @@
           "command": "extension.php-debug.runEditorContents",
           "when": "resourceLangId == php && !inDiffEditor && resourceScheme == file"
         }
+      ],
+      "debug/variables/context": [
+        {
+          "command": "extension.php-debug.copyVarExport",
+          "group": "5_cutcopypaste@11",
+          "when": "debugType == php"
+        },
+        {
+          "command": "extension.php-debug.copyJson",
+          "group": "5_cutcopypaste@12",
+          "when": "debugType == php"
+        },
+        {
+          "command": "extension.php-debug.copyRaw",
+          "group": "5_cutcopypaste@13",
+          "when": "debugType == php"
+        }
+      ],
+      "debug/watch/context": [
+        {
+          "command": "extension.php-debug.copyVarExport",
+          "group": "3_modification@51",
+          "when": "debugType == php"
+        },
+        {
+          "command": "extension.php-debug.copyJson",
+          "group": "3_modification@52",
+          "when": "debugType == php"
+        },
+        {
+          "command": "extension.php-debug.copyRaw",
+          "group": "3_modification@53",
+          "when": "debugType == php"
+        }
+      ],
+      "debug/hover/context": [
+        {
+          "command": "extension.php-debug.copyVarExport",
+          "group": "5_cutcopypaste@11",
+          "when": "debugType == php"
+        },
+        {
+          "command": "extension.php-debug.copyJson",
+          "group": "5_cutcopypaste@12",
+          "when": "debugType == php"
+        },
+        {
+          "command": "extension.php-debug.copyRaw",
+          "group": "5_cutcopypaste@13",
+          "when": "debugType == php"
+        }
       ]
     },
     "commands": [
@@ -589,6 +640,18 @@
         "category": "PHP Debug",
         "enablement": "!inDebugMode",
         "icon": "$(play)"
+      },
+      {
+        "command": "extension.php-debug.copyVarExport",
+        "title": "Copy Value as var_export"
+      },
+      {
+        "command": "extension.php-debug.copyJson",
+        "title": "Copy Value as json_encode"
+      },
+      {
+        "command": "extension.php-debug.copyRaw",
+        "title": "Copy Value as raw"
       }
     ],
     "keybindings": [

src/extension.ts

@@ -1,8 +1,9 @@
 import * as vscode from 'vscode'
 import { WorkspaceFolder, DebugConfiguration, CancellationToken } from 'vscode'
-import { LaunchRequestArguments } from './phpDebug'
+import { EvaluateExtendedArguments, LaunchRequestArguments } from './phpDebug'
 import * as which from 'which'
 import * as path from 'path'
+import { DebugProtocol } from '@vscode/debugprotocol'
 
 export function activate(context: vscode.ExtensionContext) {
     context.subscriptions.push(
@@ -143,4 +144,57 @@ export function activate(context: vscode.ExtensionContext) {
             })
         })
     )
+
+    /* This is coppied from vscode/src/vs/workbench/contrib/debug/browser/variablesView.ts */
+    interface IVariablesContext {
+        sessionId: string | undefined
+        container: DebugProtocol.Variable | DebugProtocol.Scope | DebugProtocol.EvaluateArguments
+        variable: DebugProtocol.Variable
+    }
+
+    /* This is coppied from @vscode/debugprotocol/lib/debugProtocol.d.ts because customRequest returns the body of the response and not the response itself */
+    interface EvaluateResponse {
+        /** The result of the evaluate request. */
+        result: string
+    }
+
+    const copyVar = async (arg: IVariablesContext, context: string) => {
+        const aci = vscode.debug.activeStackItem
+        if (aci && aci instanceof vscode.DebugStackFrame) {
+            const ret = (await vscode.debug.activeDebugSession?.customRequest('evaluate', <EvaluateExtendedArguments>{
+                context,
+                expression: arg.variable.evaluateName,
+                frameId: aci.frameId,
+                variablesReference: arg.variable.variablesReference,
+            })) as EvaluateResponse
+            await vscode.env.clipboard.writeText(ret.result)
+        } else {
+            await vscode.window.showErrorMessage('Cannot derermine active debug session')
+        }
+    }
+
+    context.subscriptions.push(
+        vscode.commands.registerCommand(
+            'extension.php-debug.copyVarExport',
+            async (arg: IVariablesContext, p2: any, p3: any) => {
+                await copyVar(arg, 'clipboard-var_export')
+            }
+        )
+    )
+    context.subscriptions.push(
+        vscode.commands.registerCommand(
+            'extension.php-debug.copyJson',
+            async (arg: IVariablesContext, p2: any, p3: any) => {
+                await copyVar(arg, 'clipboard-json')
+            }
+        )
+    )
+    context.subscriptions.push(
+        vscode.commands.registerCommand(
+            'extension.php-debug.copyRaw',
+            async (arg: IVariablesContext, p2: any, p3: any) => {
+                await copyVar(arg, 'clipboard-raw')
+            }
+        )
+    )
 }

src/phpDebug.ts

@@ -20,6 +20,7 @@ import { XdebugCloudConnection } from './cloud'
 import { shouldIgnoreException } from './ignore'
 import { varExportProperty } from './varExport'
 import { supportedEngine } from './xdebugUtils'
+import { varJsonProperty } from './varJson'
 
 if (process.env['VSCODE_NLS_CONFIG']) {
     try {
@@ -31,7 +32,7 @@ if (process.env['VSCODE_NLS_CONFIG']) {
 }
 
 /** formats a xdebug property value for VS Code */
-function formatPropertyValue(property: xdebug.BaseProperty): string {
+function formatPropertyValue(property: xdebug.BaseProperty, quoteString: boolean = true): string {
     let displayValue: string
     if (property.hasChildren || property.type === 'array' || property.type === 'object') {
         if (property.type === 'array') {
@@ -47,7 +48,7 @@ function formatPropertyValue(property: xdebug.BaseProperty): string {
     } else {
         // for null, uninitialized, resource, etc. show the type
         displayValue = property.value || property.type === 'string' ? property.value : property.type
-        if (property.type === 'string') {
+        if (property.type === 'string' && quoteString) {
             displayValue = `"${displayValue}"`
         } else if (property.type === 'bool') {
             displayValue = Boolean(parseInt(displayValue, 10)).toString()
@@ -56,6 +57,11 @@ function formatPropertyValue(property: xdebug.BaseProperty): string {
     return displayValue
 }
 
+export interface EvaluateExtendedArguments extends VSCodeDebugProtocol.EvaluateArguments {
+    /** The variable for which to retrieve its children. The `variablesReference` must have been obtained in the current suspended state. See 'Lifetime of Object References' in the Overview section for details. */
+    variablesReference?: number
+}
+
 /**
  * This interface should always match the schema found in the mock-debug extension manifest.
  */
@@ -1496,9 +1502,18 @@ class PhpDebugSession extends vscode.DebugSession {
         this.shutdown()
     }
 
+    private getPropertyFromReference(variablesReference?: number): xdebug.Property | undefined {
+        if (variablesReference && this._properties.has(variablesReference)) {
+            return this._properties.get(variablesReference)!
+        } /*else if (variablesReference && this._evalResultProperties.has(variablesReference)) {
+                    return this._evalResultProperties.get(variablesReference)!
+                }*/
+        return
+    }
+
     protected async evaluateRequest(
         response: VSCodeDebugProtocol.EvaluateResponse,
-        args: VSCodeDebugProtocol.EvaluateArguments
+        args: EvaluateExtendedArguments
     ): Promise<void> {
         try {
             if (!args.frameId) {
@@ -1510,40 +1525,54 @@ class PhpDebugSession extends vscode.DebugSession {
             const stackFrame = this._stackFrames.get(args.frameId)!
             const connection = stackFrame.connection
             let result: xdebug.BaseProperty | null = null
+
             if (args.context === 'hover') {
                 // try to get variable from property_get
                 const ctx = await stackFrame.getContexts() // TODO CACHE THIS
                 const res = await connection.sendPropertyGetNameCommand(args.expression, ctx[0])
                 if (res.property) {
                     result = res.property
                 }
-            } else if (args.context === 'repl') {
-                const uuid = randomUUID()
-                await connection.sendEvalCommand(`$GLOBALS['eval_cache']['${uuid}']=${args.expression}`)
-                const ctx = await stackFrame.getContexts() // TODO CACHE THIS
-                const res = await connection.sendPropertyGetNameCommand(`$eval_cache['${uuid}']`, ctx[1])
-                if (res.property) {
-                    result = res.property
+            } else {
+                let property = this.getPropertyFromReference(args.variablesReference)
+                let ctx: xdebug.Context[]
+                if (!property) {
+                    // try to get variable
+                    ctx = await stackFrame.getContexts() // TODO CACHE THIS
+                    try {
+                        // we might need to try other contexts too?
+                        const res = await connection.sendPropertyGetNameCommand(args.expression, ctx[0])
+                        property = res.property
+                    } catch {
+                        // ignore we failed, lets try evaling
+                    }
                 }
-            } else if (args.context === 'clipboard') {
-                const ctx = await stackFrame.getContexts() // TODO CACHE THIS
-                const res = await connection.sendPropertyGetNameCommand(args.expression, ctx[0])
-                response.body = { result: await varExportProperty(res.property), variablesReference: 0 }
+                if (!property) {
+                    const uuid = randomUUID()
+                    await connection.sendEvalCommand(`$GLOBALS['eval_cache']['${uuid}']=${args.expression}`)
+                    const res = await connection.sendPropertyGetNameCommand(`$eval_cache['${uuid}']`, ctx![1])
+                    property = res.property
+                }
+                result = property
+            }
+
+            if (result && args.context === 'clipboard-var_export') {
+                response.body = { result: await varExportProperty(result as xdebug.Property), variablesReference: 0 }
+                this.sendResponse(response)
+                return
+            } else if (result && args.context === 'clipboard-json') {
+                response.body = { result: await varJsonProperty(result as xdebug.Property), variablesReference: 0 }
+                this.sendResponse(response)
+                return
+            } else if (result && args.context === 'clipboard-raw') {
+                response.body = { result: formatPropertyValue(result, false), variablesReference: 0 }
+                this.sendResponse(response)
+                return
+            } else if (result && this._initializeArgs.clientID !== 'vscode' && args.context === 'clipboard') {
+                // special case for NON-vscode clients where we cant add extra clipboard related contexts and var_export should be the default
+                response.body = { result: await varExportProperty(result as xdebug.Property), variablesReference: 0 }
                 this.sendResponse(response)
                 return
-            } else if (args.context === 'watch') {
-                const uuid = randomUUID()
-                await connection.sendEvalCommand(`$GLOBALS['eval_cache']['watch']['${uuid}']=${args.expression}`)
-                const ctx = await stackFrame.getContexts() // TODO CACHE THIS
-                const res = await connection.sendPropertyGetNameCommand(`$eval_cache['watch']['${uuid}']`, ctx[1])
-                if (res.property) {
-                    result = res.property
-                }
-            } else {
-                const res = await connection.sendEvalCommand(args.expression)
-                if (res.result) {
-                    result = res.result
-                }
             }
 
             if (result) {

src/test/adapter.ts

@@ -831,41 +831,74 @@ describe('PHP Debug Adapter', () => {
             await client.configurationDoneRequest()
             const { frame } = await assertStoppedLocation('breakpoint', program, 19)
 
-            const response = (
-                await client.evaluateRequest({
-                    context: 'clipboard',
-                    frameId: frame.id,
-                    expression: '$anInt',
-                })
-            ).body
-
-            assert.equal(response.result, '123')
-            assert.equal(response.variablesReference, 0)
+            interface TestCase {
+                context: string
+                expression: string
+                result: string
+                hasVariablesReference: boolean
+            }
 
-            const response2 = (
-                await client.evaluateRequest({
+            const testCases: TestCase[] = [
+                { context: 'hover', expression: '$anInt', result: '123', hasVariablesReference: false },
+                { context: 'hover', expression: '$aString', result: '"123"', hasVariablesReference: false },
+                { context: 'hover', expression: '$anArray', result: 'array(3)', hasVariablesReference: true },
+                { context: 'hover', expression: '$aBoolean', result: 'true', hasVariablesReference: false },
+                { context: 'hover', expression: '$aFloat', result: '1.23', hasVariablesReference: false },
+                { context: 'clipboard', expression: '$anInt', result: '123', hasVariablesReference: false },
+                { context: 'clipboard', expression: '$aString', result: "'123'", hasVariablesReference: false },
+                {
                     context: 'clipboard',
-                    frameId: frame.id,
-                    expression: '$aString',
-                })
-            ).body
-
-            assert.equal(response2.result, "'123'")
-            assert.equal(response2.variablesReference, 0)
-
-            const response3 = (
-                await client.evaluateRequest({
-                    context: 'clipboard',
-                    frameId: frame.id,
                     expression: '$anArray',
-                })
-            ).body
-
-            assert.equal(
-                response3.result,
-                'array (\n  0 => 1,\n  test => 2,\n  test2 => \n  array (\n    t => 123,\n  ),\n)'
-            )
-            assert.equal(response3.variablesReference, 0)
+                    result: 'array (\n  0 => 1,\n  test => 2,\n  test2 => \n  array (\n    t => 123,\n  ),\n)',
+                    hasVariablesReference: false,
+                },
+                { context: 'clipboard', expression: '$aBoolean', result: 'true', hasVariablesReference: false },
+                { context: 'clipboard', expression: '$aFloat', result: '1.23', hasVariablesReference: false },
+                { context: 'clipboard-json', expression: '$anInt', result: '123', hasVariablesReference: false },
+                { context: 'clipboard-json', expression: '$aString', result: '"123"', hasVariablesReference: false },
+                {
+                    context: 'clipboard-json',
+                    expression: '$anArray',
+                    result: '{\n "0": 1,\n "test": 2,\n "test2": {\n  "t": 123\n }\n}',
+                    hasVariablesReference: false,
+                },
+                { context: 'clipboard-json', expression: '$aBoolean', result: 'true', hasVariablesReference: false },
+                { context: 'clipboard-json', expression: '$aFloat', result: '1.23', hasVariablesReference: false },
+                { context: 'clipboard-raw', expression: '$anInt', result: '123', hasVariablesReference: false },
+                { context: 'clipboard-raw', expression: '$aString', result: '123', hasVariablesReference: false },
+                { context: 'clipboard-raw', expression: '$anArray', result: 'array(3)', hasVariablesReference: false },
+                { context: 'clipboard-raw', expression: '$aBoolean', result: 'true', hasVariablesReference: false },
+                { context: 'clipboard-raw', expression: '$aFloat', result: '1.23', hasVariablesReference: false },
+            ]
+
+            for (const testCase of testCases) {
+                const response = (
+                    await client.evaluateRequest({
+                        context: testCase.context as any,
+                        frameId: frame.id,
+                        expression: testCase.expression,
+                    })
+                ).body
+
+                assert.equal(
+                    response.result,
+                    testCase.result,
+                    `Failed for ${testCase.context} - ${testCase.expression}`
+                )
+                if (testCase.hasVariablesReference) {
+                    assert.notEqual(
+                        response.variablesReference,
+                        0,
+                        `Expected variablesReference for ${testCase.context} - ${testCase.expression}`
+                    )
+                } else {
+                    assert.equal(
+                        response.variablesReference,
+                        0,
+                        `Unexpected variablesReference for ${testCase.context} - ${testCase.expression}`
+                    )
+                }
+            }
         })
     })