Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
Wolfram`Parser`Languages`Lisp`
LispRead  |
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▪
LispRead
read
▪
A non-empty list reads to a flat f, a, b; the empty list reads to . There is no special head - a Lisp list is just a Wolfram list.
(fab)
{
}
()
{}
▪
A symbol reads to a wrapper, kept distinct from a Wolfram because Lisp names like or are not Wolfram identifiers.
+
listvector
▪
An integer or real literal reads to the corresponding Wolfram number; a string literal reads to a Wolfram (via JSON, so escapes like are honored).
"..."
\n
▪
The quote reader macro reads to x, the two-element list a downstream evaluator expects.
'x
{
["quote"],
}
▪
Whitespace skips both spaces and -to-end-of-line comments.
;
▪
To see the standard syntax tree for the same input instead, use , which runs the same grammar over an internal AST algebra.
Examples
(4)
Basic Examples
(1)
A nested list reads head-and-all to plain Wolfram lists, with symbols wrapped:
In[1]:=
 | LispRead |
Out[1]=
{LispSymbol[+],1,{LispSymbol[max],2,3}}
In[2]:=
| LispRead |
Out[2]=
LispSymbol[foo]
In[3]:=
| LispAST |
Out[3]=
ContainerNode[String,{CallNode[LeafNode[Symbol,+,Source{{1,2},{1,3}}],{LeafNode[Integer,1,Source{{1,4},{1,5}}],CallNode[LeafNode[Symbol,max,Source{{1,7},{1,10}}],{LeafNode[Integer,2,Source{{1,11},{1,12}}],LeafNode[Integer,3,Source{{1,13},{1,14}}]},Source{{1,7},{1,14}}]},Source{{1,2},{1,14}}]},Source{{1,2},{1,14}}]
Scope
(1)
Properties & Relations
(1)
Possible Issues
(1)
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""