--- gforth/kernel/vars.fs 2000/10/29 20:27:03 1.25 +++ gforth/kernel/vars.fs 2001/02/24 17:24:45 1.26 @@ -157,32 +157,32 @@ has? file [IF] [THEN] [THEN] - User base ( -- a-addr ) \ core - \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the - \G number base used by default for number conversion during input and output. - A base ! - User dpl ( -- a-addr ) \ gforth - \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the - \G position of the decimal point in the most recent numeric conversion. - \G Initialised to -1. After the conversion of a number containing no - \G decimal point, @code{@ dpl} is -1. After the conversion of @code{2.} it holds - \G 0. After the conversion of 234123.9 it contains 1, and so forth. - -1 dpl ! - - User state ( -- a-addr ) \ core,tools-ext - \G @code{User} variable -- @i{a-addr} is the address of a cell - \G containing the compilation state flag. 0 => interpreting, -1 => - \G compiling. A program shall not directly alter the value of - \G @code{state}. The following Standard words alter the value in - \G @code{state}: @code{:} (colon) @code{;} (semicolon) @code{abort} - \G @code{quit} @code{:noname} @code{[} (left-bracket) @code{]} - \G (right-bracket) @code{;code}. Don't use @code{state}! For an - \G alternative see @ref{Interpretation and Compilation Semantics}. - \ Recommended reading: @cite{@code{State}-smartness--Why it is evil - \ and how to exorcise it}, - \ @url{http://www.complang.tuwien.ac.at/papers/ertl98.ps.gz}; short - \ version: Don't use @code{state}! - 0 state ! +User base ( -- a-addr ) \ core +\G @code{User} variable -- @i{a-addr} is the address of a cell that stores the +\G number base used by default for number conversion during input and output. + A base ! +User dpl ( -- a-addr ) \ gforth +\G @code{User} variable -- @i{a-addr} is the address of a cell that stores the +\G position of the decimal point in the most recent numeric conversion. +\G Initialised to -1. After the conversion of a number containing no +\G decimal point, @code{@ dpl} is -1. After the conversion of @code{2.} it holds +\G 0. After the conversion of 234123.9 it contains 1, and so forth. +-1 dpl ! + +User state ( -- a-addr ) \ core,tools-ext +\G @code{User} variable -- @i{a-addr} is the address of a cell +\G containing the compilation state flag. 0 => interpreting, -1 => +\G compiling. A program shall not directly alter the value of +\G @code{state}. The following Standard words alter the value in +\G @code{state}: @code{:} (colon) @code{;} (semicolon) @code{abort} +\G @code{quit} @code{:noname} @code{[} (left-bracket) @code{]} +\G (right-bracket) @code{;code}. Don't use @code{state}! For an +\G alternative see @ref{Interpretation and Compilation Semantics}. +\ Recommended reading: @cite{@code{State}-smartness--Why it is evil +\ and how to exorcise it}, +\ @url{http://www.complang.tuwien.ac.at/papers/ertl98.ps.gz}; short +\ version: Don't use @code{state}! +0 state ! AUser normal-dp \ the usual dictionary pointer AUser dpp normal-dp dpp ! @@ -192,6 +192,12 @@ AUser dpp normal-dp dpp ! AUser LastCFA AUser Last +AUser last-compiled \ address of the last compiled xt + \ 0 if last xt cannot be combined (basic block boundary) +0 last-compiled ! + +0 value peeptable \ initialized in boot + has? glocals [IF] User locals-size \ this is the current size of the locals stack \ frame of the current word