Adding TypeConstraintAST get_ResolvedCommand (#162)

Author: StartAutomating

PipeScript.types.ps1xml

@@ -110,6 +110,57 @@ foreach ($attributeArg in $argsInOrder) {
 return $Parameter
                     </GetScriptBlock>
       </ScriptProperty>
+      <ScriptProperty>
+        <Name>ResolvedCommand</Name>
+        <GetScriptBlock>
+                        &lt;#
+.SYNOPSIS
+    Resolves an Attribute to a CommandInfo
+.DESCRIPTION
+    Resolves an Attribute to one or more CommandInfo.
+.EXAMPLE
+    {
+        [InvokePipeScript()]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [Microsoft.PowerShell.Core.GetCommand()]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [Get_Command()]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [GetCommand()]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [cmd()]$null  
+    }.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+#&gt;
+# Get the name of the transpiler.
+$transpilerStepName  = 
+    if ($this.TypeName.IsGeneric) {
+        $this.TypeName.TypeName.Name
+    } else {
+        $this.TypeName.Name
+    }
+$decamelCase = [Regex]::new('(?&lt;=[a-z])(?=[A-Z])')
+@(
+    #    If a Transpiler exists by that name, it will be returned first.
+    Get-Transpiler -TranspilerName $transpilerStepName
+    # Then, any periods in the attribute name will be converted to slashes, 
+    $fullCommandName = $transpilerStepName -replace '\.','\' -replace 
+        '_','-' # and any underscores to dashes.
+
+    # Then, the first CamelCased code will have a - injected in between the CamelCase.    
+    $fullCommandName = $decamelCase.Replace($fullCommandName, '-', 1)
+    # Now we will try to find the command.
+    $ExecutionContext.SessionState.InvokeCommand.GetCommand($fullCommandName, 'All')
+)
+                    </GetScriptBlock>
+      </ScriptProperty>
     </Members>
   </Type>
   <Type>
@@ -292,6 +343,62 @@ else {
       </ScriptMethod>
     </Members>
   </Type>
+  <Type>
+    <Name>System.Management.Automation.Language.TypeConstraintAst</Name>
+    <Members>
+      <ScriptProperty>
+        <Name>ResolvedCommand</Name>
+        <GetScriptBlock>
+                        &lt;#
+.SYNOPSIS
+    Resolves an TypeConstraintAST to a CommandInfo
+.DESCRIPTION
+    Resolves an TypeConstraintAST to one or more CommandInfo Objects.
+.EXAMPLE
+    {
+        [InvokePipeScript[a]]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [Microsoft.PowerShell.Core.GetCommand]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [Get_Command]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [GetCommand]$null
+    }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+.EXAMPLE
+    {
+        [cmd]$null  
+    }.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.ResolvedCommand
+#&gt;
+# Get the name of the transpiler.
+$transpilerStepName  = 
+    if ($this.TypeName.IsGeneric) {
+        $this.TypeName.TypeName.Name
+    } else {
+        $this.TypeName.Name
+    }
+$decamelCase = [Regex]::new('(?&lt;=[a-z])(?=[A-Z])')
+@(
+    #    If a Transpiler exists by that name, it will be returned first.
+    Get-Transpiler -TranspilerName $transpilerStepName
+    # Then, any periods in the attribute name will be converted to slashes, 
+    $fullCommandName = $transpilerStepName -replace '\.','\' -replace 
+        '_','-' # and any underscores to dashes.
+
+    # Then, the first CamelCased code will have a - injected in between the CamelCase.    
+    $fullCommandName = $decamelCase.Replace($fullCommandName, '-', 1)
+    # Now we will try to find the command.
+    $ExecutionContext.SessionState.InvokeCommand.GetCommand($fullCommandName, 'All')
+)
+                    </GetScriptBlock>
+      </ScriptProperty>
+    </Members>
+  </Type>
   <Type>
     <Name>System.Management.Automation.Language.VariableExpressionAst</Name>
     <Members>