CommandAST/AttributeAST: Adding Property Aliases (Fixes #176)

Author: StartAutomating

PipeScript.types.ps1xml

@@ -49,6 +49,18 @@ $tokenCount = 0
   <Type>
     <Name>System.Management.Automation.Language.AttributeAst</Name>
     <Members>
+      <AliasProperty>
+        <Name>Args</Name>
+        <ReferencedMemberName>ArgumentList</ReferencedMemberName>
+      </AliasProperty>
+      <AliasProperty>
+        <Name>Arguments</Name>
+        <ReferencedMemberName>ArgumentList</ReferencedMemberName>
+      </AliasProperty>
+      <AliasProperty>
+        <Name>Parameters</Name>
+        <ReferencedMemberName>Parameter</ReferencedMemberName>
+      </AliasProperty>
       <ScriptProperty>
         <Name>ArgumentList</Name>
         <GetScriptBlock>
@@ -186,6 +198,18 @@ $decamelCase = [Regex]::new('(?&lt;=[a-z])(?=[A-Z])')
   <Type>
     <Name>System.Management.Automation.Language.CommandAst</Name>
     <Members>
+      <AliasProperty>
+        <Name>Args</Name>
+        <ReferencedMemberName>ArgumentList</ReferencedMemberName>
+      </AliasProperty>
+      <AliasProperty>
+        <Name>Arguments</Name>
+        <ReferencedMemberName>ArgumentList</ReferencedMemberName>
+      </AliasProperty>
+      <AliasProperty>
+        <Name>Parameters</Name>
+        <ReferencedMemberName>Parameter</ReferencedMemberName>
+      </AliasProperty>
       <ScriptProperty>
         <Name>ArgumentList</Name>
         <GetScriptBlock>
@@ -229,24 +253,25 @@ for (
       <ScriptProperty>
         <Name>Parameter</Name>
         <GetScriptBlock>
-                        $NamedParameters = [Ordered]@{}
+                        $commandAst = $this
+$NamedParameters = [Ordered]@{}
 $parameterAstType = [Management.Automation.Language.CommandParameterAst]
 
 for (
     $commandElementIndex = 1
-    $commandElementIndex -lt $this.CommandElements.Count
+    $commandElementIndex -lt $commandAst.CommandElements.Count
     $commandElementIndex++
 )
 {
-    $commandElement = $this.CommandElements[$commandElementIndex]
-    $nextElement    = $this.CommandElements[$commandElementIndex + 1]
+    $commandElement = $commandAst.CommandElements[$commandElementIndex]
+    $nextElement    = $commandAst.CommandElements[$commandElementIndex + 1]
     if ($commandElement -is $parameterAstType) {
         if ($commandElement.Argument) {            
             $NamedParameters[$commandElement.ParameterName] =                 
                 $commandElement.Argument.ConvertFromAst()
         } elseif ($nextElement -and $nextElement -isnot $parameterAstType)  {
             $NamedParameters[$commandElement.ParameterName] = 
-                $nextElement.Argument.ConvertFromAst()
+                $nextElement.ConvertFromAst()
             $commandElementIndex++
         } else {
             $NamedParameters[$commandElement.ParameterName] = $true