From 1534043663f710f6129b3b0f5626a97e27bc0bbe Mon Sep 17 00:00:00 2001
From: James Brundage <@github.com>
Date: Sun, 5 Nov 2023 16:14:10 -0800
Subject: [PATCH] enhancement:  CSharp Parser Progress Bars (re #558)

---
 Commands/Parsers/Parse-CSharp.ps.ps1 | 42 ++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 9 deletions(-)

diff --git a/Commands/Parsers/Parse-CSharp.ps.ps1 b/Commands/Parsers/Parse-CSharp.ps.ps1
index 97684653b..a79d7047c 100644
--- a/Commands/Parsers/Parse-CSharp.ps.ps1
+++ b/Commands/Parsers/Parse-CSharp.ps.ps1
@@ -16,25 +16,49 @@ Parse function CSharp {
     $Source
     )
 
-    begin {
+    begin {        
         if (-not ('Microsoft.CodeAnalysis.CSharp.CSharpSyntaxTree' -as [type])) {
             Add-Type -AssemblyName Microsoft.CodeAnalysis.CSharp
-        }    
+        }
+        $accumulate = [Collections.Queue]::new()
     }
 
     process {
+        $accumulate.Enqueue([Ordered]@{psParameterSet=$psCmdlet.ParameterSetName} + $PSBoundParameters)
+    }
+
+    end {
+
+        $count = 0
+        $total = $accumulate.Count -as [double]
+        if (-not $script:LastProgressID) { $script:LastProgressID = 1}
+        $script:LastProgressID++
         if (-not ('Microsoft.CodeAnalysis.CSharp.CSharpSyntaxTree' -as [type])) {
             return
         }
 
-        if ($Source -is [string]) {
-            [Microsoft.CodeAnalysis.CSharp.CSharpSyntaxTree]::ParseText($Source)
-        }
-        elseif ($Source -is [IO.FileInfo]) {
-            if ($Source.Extension -in '.cs', '.csx') {
-                [Microsoft.CodeAnalysis.CSharp.CSharpSyntaxTree]::ParseText([IO.File]::ReadAllText($Source), $null, $Source.Fullname)                
+        while ($accumulate.Count) {
+            $dequeue = $accumulate.Dequeue()
+            if ($total -gt 1) {
+                Write-Progress "Parsing PowerShell" " " -Id $script:LastProgressID -PercentComplete $(
+                    $count++
+                    [Math]::Min($count / $total, 1) * 100
+                )
+            }
+
+            foreach ($kv in $dequeue.GetEnumerator()) {
+                $ExecutionContext.SessionState.PSVariable.Set($kv.Key, $kv.Value)
+            }
+
+            if ($Source -is [string]) {
+                [Microsoft.CodeAnalysis.CSharp.CSharpSyntaxTree]::ParseText($Source)
+            }
+            elseif ($Source -is [IO.FileInfo]) {
+                if ($Source.Extension -in '.cs', '.csx') {
+                    [Microsoft.CodeAnalysis.CSharp.CSharpSyntaxTree]::ParseText([IO.File]::ReadAllText($Source), $null, $Source.Fullname)                
+                }
+                
             }
-            
         }
     }
 }