34 lines
1.2 KiB
Plaintext
34 lines
1.2 KiB
Plaintext
created: 20240310165023000
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modified: 20240310172648116
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tags: [[Procedure Syntax]]
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title: Procedure Call Syntax
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type: text/vnd.tiddlywiki
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<<.preamble """What follows is a formal presentation of the syntax of the WikiText syntax for procedure calls, using [[railroad diagrams|Railroad Diagrams]].""">>
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!! procedure-name
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<$railroad text="""
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"<<" [[ procedure-name |Procedures]] [: [[whitespace|"Filter Whitespace"]] [:{param-value}] ]">>"
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"""/>
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* The [[procedure's|Procedures]] <<.place procedure-name>> is a sequence of non-whitespace characters other than `(` or `>`.
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* <<.place whitespace>> denotes a sequence of [[whitespace characters|Filter Whitespace]].
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!!! param-value
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Each ''individual'' <<.place param-value>> has the following syntax:
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<$railroad text="""
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\start none
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\end none
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[: param-name [:[[whitespace|"Filter Whitespace"]]] ":" [:[[whitespace|"Filter Whitespace"]]] ] value [: [[whitespace|"Filter Whitespace"]] ]
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"""/>
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* The <<.place param-name>> is a sequence of letters (`A`--`Z`, `a`--`z`), digits (`0`--`9`), hyphens (`-`) and underscores (`_`).
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* The <<.place value>> is specified as follows:
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<$railroad text={{$:/editions/tw5.com/railroad/macro-parameter-value}}/>
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