[TypeConstraintAst]: Adding -Parameter and -ArgumentList and aliases (Fixes #287)

Author: James Brundage

Types/TypeConstraintAST/Alias.psd1

@@ -0,0 +1,5 @@
+@{
+    Parameters = 'Parameter'
+    Arguments  = 'ArgumentList'
+    Args       = 'ArgumentList'
+}

Types/TypeConstraintAST/get_ArgumentList.ps1

@@ -0,0 +1,7 @@
+if (-not $this.TypeName.IsGeneric) { return @() }
+@(foreach ($typeName in $this.TypeName.GenericArguments ) {
+    if ($TypeName.IsGeneric) { continue }
+    if (-not $TypeName.IsArray) {
+        $TypeName.Name
+    }
+})

Types/TypeConstraintAST/get_Parameter.ps1

@@ -0,0 +1,36 @@
+
+
+function TypeConstraintToArguments (
+    [Parameter(ValueFromPipeline)]
+    $TypeName
+) {
+    begin {
+        $TypeNameArgs = @()
+        $TypeNameParams = [Ordered]@{}
+        
+    }
+    process {
+
+        if ($TypeName.IsGeneric) {            
+            $TypeNameParams[$typeName.TypeName.Name] = 
+                $typeName.GenericArguments |
+                    TypeConstraintToArguments                        
+        } elseif (-not $TypeName.IsArray) {    
+            $TypeNameArgs += $TypeName.Name
+        }
+    }
+    end {
+        if ($TypeNameParams.Count) {
+            $TypeNameParams
+        } elseif ($TypeNameArgs) {
+            $TypeNameArgs
+        }                        
+    }
+}
+
+if (-not $this.TypeName.IsGeneric) { return @{} }
+foreach ($arg in @($this.TypeName.GenericArguments | TypeConstraintToArguments)) {
+    if ($arg -is [Collections.IDictionary]) {
+        $arg
+    }
+}