Quotations

Quotations are a programming technique to embed code inside of code. These embedded code snippets have an execution token but no name token.

Quotations use two new commands [: and ;]:

: foo ... [: some words ;] execute ... ;

This code could be written as

:noname some words ; Constant #temp#
: foo ... #temp# execute ... ;

Quotations are not (yet) standardized by the forth2012 committee, but they seem to do so in the near future.

The amforth implementation has no dependencies and is used to implement some value-variants: Double Cell RAM Value and inside the Serial Peripheral Interface SPI