Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
Wolfram`Parser`
ErrorNode  |
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ErrorNode
CodeParser
sown
`ErrorNode
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It has the same three-slot shape as a - kind descriptor, source text, meta - but flags a syntax error rather than a valid terminal, so a tree carrying an is still well-shaped and inspectable.
ErrorNode
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ErrorNode
ErrorNode
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meta holds a position when the node comes from a real parse, and is an empty when you build it by hand - as in every example here.
"Source"
Examples
(2)
Basic Examples
(1)
An error node built literally holds its error descriptor and the offending source text:
In[1]:=
 | ErrorNode |
Out[1]=
ErrorNode[UnterminatedString,"abc,]
In[2]:=
| ASTNodeQ |
 | ErrorNode |
Out[2]=
True
Properties & Relations
(1)
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""