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Merge pull request #19 from KevinMarquette/kevinmarquette/issue-18 !d…
…eploy #18 Show AST Graph
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| function Add-DebugNote | ||
| { | ||
| param($Id, $Message) | ||
| if ($script:DebugAST) | ||
| { | ||
| $debugID = New-Guid | ||
| node -Name $debugID @{label = $Message; shape = 'plaintext'} | ||
| edge -From $debugID -To $Id @{style = 'dotted'; arrowhead = 'none'} | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,229 @@ | ||
| function Get-AstMap | ||
| { | ||
| [cmdletbinding()] | ||
| param ( | ||
| [Parameter( | ||
| ValueFromPipeline, | ||
| Position = 0 | ||
| )] | ||
| [AllowNull()] | ||
| $Ast, | ||
|
|
||
| $ParentID = $null, | ||
|
|
||
| [ref]$ChildId = [ref]$null | ||
| ) | ||
|
|
||
| process | ||
| { | ||
| $lastId = $null | ||
| $rank = [System.Collections.Generic.List[System.Object]]::new() | ||
| :node foreach ($node in $Ast) | ||
| { | ||
| $type = $node.GetType().Name | ||
| $id = $node.gethashcode() | ||
|
|
||
| $rule = Get-AstRule -Name $type | ||
| if ($rule) | ||
| { | ||
| if ($rule.Visible -or $Script:DebugAST -eq $true) | ||
| { | ||
| Add-DebugNote -Id $id -Message $type | ||
| $ChildId.Value = $id | ||
| if ( $rule.Container ) | ||
| { | ||
| throw 'not supported, subgraphs are buggy with these types of graphs' | ||
| subgraph -Name $id -Attributes @{label = $rule.Label; labeljust = 'l'} -scriptblock { | ||
| Get-AstMap -AST $node.$($rule.Container) | ||
| } | ||
| } | ||
| else | ||
| { | ||
| $node | node -NodeScript {$id} -Attributes @{label = $rule.Label} | ||
| } | ||
| foreach ( $property in $rule.ChildProperty ) | ||
| { | ||
| Get-AstMap -AST $node.$property -ParentID $id | ||
| } | ||
| } | ||
| else | ||
| { | ||
| $ChildId.Value = $id | ||
| foreach ( $property in $rule.ChildProperty ) | ||
| { | ||
| Get-AstMap -AST $node.$property -ParentID $ParentID -ChildId $ChildId | ||
| } | ||
| continue node | ||
| } | ||
| } | ||
| else | ||
| { | ||
| # hand crafted rules | ||
| switch ( $type ) | ||
| { | ||
| 'ForStatementAst' | ||
| { | ||
| $node | ||
| } | ||
| 'IfStatementAST' | ||
| { | ||
| Add-DebugNote -Id $id -Message $type | ||
| $ChildId.Value = $id | ||
| node -Name $id @{label = "IF (...)"; color = 'blue'} | ||
| $conditionID = New-Guid | ||
| $conditionTrueID = new-guid | ||
| node -Name $conditionID @{label = '( CONDITION )'; color = 'blue'; } | ||
| Edge $id -To $conditionID | ||
| Get-AstMap -AST $node.Clauses[0].Item1 -ParentID $conditionID | ||
| node -Name $conditionTrueID @{label = 'IF TRUE'; color = 'blue'; shape = 'diamond'} | ||
| Edge $id -To $conditionTrueID | ||
| Get-AstMap -AST $node.Clauses[0].Item2 -ParentID $conditionTrueID | ||
|
|
||
| $NextParent = $id | ||
| $list = $node.Clauses | ||
|
|
||
| for ($index = 1; $index -lt $list.count; $index++ ) | ||
| { | ||
| $child = $node.Clauses[$index] | ||
| $ifElseID = New-Guid | ||
| $conditionID = New-Guid | ||
| $conditionTrueID = new-guid | ||
| node -Name $ifElseID @{label = "IFELSE (...)"; color = 'blue'} | ||
| edge $NextParent -To $ifElseID | ||
| node -Name $conditionID @{label = '( CONDITION )'; color = 'blue'; } | ||
| Edge $ifElseID -To $conditionID | ||
|
|
||
| Get-AstMap -AST $child.Item1 -ParentID $conditionID | ||
| node -Name $conditionTrueID @{label = 'IF TRUE'; color = 'blue'; shape = 'diamond'} | ||
| Edge $ifElseID -To $conditionTrueID | ||
|
|
||
| Get-AstMap -AST $child.Item2 -ParentID $conditionTrueID | ||
|
|
||
| $NextParent = $ifElseID | ||
| } | ||
|
|
||
| $child = $node.ElseClause | ||
| if ( $child ) | ||
| { | ||
| $elseId = New-Guid | ||
| $conditionID = New-Guid | ||
| $conditionTrueID = new-guid | ||
| node -Name $elseId @{label = "ELSE"; color = 'blue'; shape = 'diamond'} | ||
| edge $NextParent -To $elseId | ||
| Get-AstMap -AST $child -ParentID $elseId | ||
| } | ||
| #continue node | ||
| } | ||
| 'HashtableAst' | ||
| { | ||
| Add-DebugNote -Id $id -Message $type | ||
| $ChildId.Value = $id | ||
| node -Name $id @{label = '@{...}'} | ||
| foreach ($child in $node.KeyValuePairs) | ||
| { | ||
| $NextParent = 0 | ||
| Get-AstMap -AST $child.Item1 -ParentID $id -ChildId ([ref]$NextParent) | ||
| Get-AstMap -AST $child.Item2 -ParentID $NextParent | ||
| } | ||
| #$node | ||
| } | ||
| 'CommandAst' | ||
| { | ||
| #CommandElements | ||
| $property = 'CommandElements' | ||
| if ($node.$($property).count ) | ||
| { | ||
| $ChildId.Value = $id | ||
| $child = $node.$($property)[0] | ||
| Get-AstMap -AST $child -ParentID $ParentId -ChildId $ChildId | ||
| Add-DebugNote -Id $ChildId.Value -Message $type | ||
| } | ||
|
|
||
| $command = Get-Command -Name $child.Value -ErrorAction Ignore | ||
|
|
||
| $PrimaryParent = $ChildId.Value | ||
| $NewParent = $ChildId.Value | ||
| $NextParent = $ChildId.Value | ||
| $list = $node.$($property) | ||
|
|
||
| for ($index = 1; $index -lt $list.count; $index++ ) | ||
| { | ||
| $child = $node.$($property)[$index] | ||
| Get-AstMap -AST $child -ParentID $NewParent -ChildId ([ref]$NextParent) | ||
|
|
||
| $NewParent = $PrimaryParent | ||
| if ( $child.GetType().name -eq 'CommandParameterAst' -and | ||
| -not $command.Parameters.$($child.ParameterName).SwitchParameter | ||
| ) | ||
| { | ||
| $NewParent = $NextParent | ||
| } | ||
| } | ||
| continue node | ||
| } | ||
| 'PipelineAst' | ||
| { | ||
| $NextParent = $ParentID | ||
| if ($Script:DebugAST) | ||
| { | ||
| $ChildId.Value = $id | ||
| node -Name $id @{label = 'PipelineAst[]'} | ||
| edge $ParentID -To $id | ||
| $NextParent = $id | ||
| } | ||
|
|
||
| $ChildId.Value = $id | ||
| Get-AstMap -AST $node.PipelineElements[0] -ParentID $NextParent -ChildId $ChildId | ||
| Add-DebugNote -Id $ChildId.Value -Message $type | ||
|
|
||
| $NewParent = $ChildId.Value | ||
| $NextParent = $ChildId.Value | ||
| $list = $node.PipelineElements | ||
| for ($index = 1; $index -lt $list.count; $index++ ) | ||
| { | ||
| if ( $index -lt $list.count ) | ||
| { | ||
| $guid = New-Guid | ||
| node -Name $guid @{label = "|"} | ||
| edge $NewParent -To $guid | ||
| $NewParent = $guid | ||
| } | ||
| Get-AstMap -AST $node.PipelineElements[$index] -ParentID $NewParent -ChildId ([ref]$NextParent) | ||
| Add-DebugNote -Id $NextParent -Message $type | ||
|
|
||
| $NewParent = $NextParent | ||
| } | ||
|
|
||
| continue node | ||
| } | ||
|
|
||
| default | ||
| { | ||
| $ChildId.Value = $id | ||
| node -Name $id @{label = $type; color = 'red'} | ||
| $guid = New-Guid | ||
| node -Name $guid @{label = $node.extent.tostring()} | ||
| edge $id -to $guid | ||
| #Write-Host "Skipping type [$PSItem]" | ||
| #continue node | ||
| } | ||
| } | ||
| } | ||
| if ($null -ne $lastId) | ||
| { | ||
| #edge $lastId -to $id | ||
| } | ||
| $rank.Add($id) | ||
| $lastId = $id | ||
| if ( $null -ne $ParentId ) | ||
| { | ||
| edge $ParentId -to $id | ||
| } | ||
| } | ||
| if ($rank.Count -gt 1) | ||
| { | ||
| #edge -From $rank -LiteralAttribute '[style="invis"]' | ||
| rank -Nodes $rank | ||
| } | ||
| } | ||
| } |
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