Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
Wolfram`Parser`
ASTStripSource  |
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ASTStripSource
"Source"
Source
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It is the practical tool for structural comparison and tests: two trees that differ only in where they came from compare equal once both are stripped, so a test can assert on shape without pinning exact line/column spans.
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It does not change a tree's shape - same heads, same children, same descriptors - only the entries are removed. A stripped tree is still a valid standard AST, so still accepts it.
Source
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A node that never carried (a literally-built ) is unaffected.
Source
LeafNode["Integer","1",]
Examples
(2)
Basic Examples
(1)
Strip the spans a language entry point added - returns a tree with line/column metadata; leaves everywhere:
Source
ASTStripSource
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In[1]:=
 | ASTStripSource |
 | CalculatorAST |
Out[1]=
ContainerNode[String,{BinaryNode[+,{LeafNode[Integer,1,],LeafNode[Integer,2,]},]},]
It descends the whole tree, so a deeper expression is stripped at every level:
In[2]:=
| ASTStripSource |
| CalculatorAST |
Out[2]=
ContainerNode[String,{BinaryNode[+,{LeafNode[Integer,1,],BinaryNode[*,{LeafNode[Integer,2,],LeafNode[Integer,3,]},]},]},]
Properties & Relations
(1)
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