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Operators and Keywords

This page covers the symbols and reserved words the tokenizer already understands.

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Operators and Punctuation

  • Arithmetic: +, -, *, /, ^
  • Comparison: =, <>, <, <=, >, >=
  • Grouping and access: (, ), [, ], ., \
  • Separators: , and :
  • Line continuation: a standalone _ at the end of a physical line
  • : is currently used for label statements.
  • [ and ] are used for index expressions.
  • ( and ) are used for grouping, calls, parameter lists, and Dim dimensions.
  • . and \ are both used for member access.

Keywords

These words are recognized as keywords by the tokenizer.

  • And
  • As
  • Case
  • Const
  • Dim
  • Do
  • Else
  • ElseIf
  • End
  • Field
  • For
  • Function
  • Goto
  • Import
  • If
  • Loop
  • Mod
  • New
  • Next
  • Not
  • Or
  • Repeat
  • Rem
  • Return
  • Select
  • Step
  • Sub
  • Then
  • To
  • Type
  • Until
  • Wend
  • While

Some of these only make sense as part of larger statements, not on their own.

Type, Field, and New are used by the user-defined type system.