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extend partial evaluation to computing lengths when statically possible

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This commit is contained in:
Markus Triska
2024-03-20 19:48:33 +01:00
parent 58f7c94e74
commit bc04790fd5
1 changed files with 14 additions and 5 deletions
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19
src/lib/format.pl
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@@ -305,9 +305,14 @@ cells([~,'`',Char,t|Fs], Args, Tab, Es, VNs) --> !,
cells([~,t|Fs], Args, Tab, Es, VNs) --> !,
cells(Fs, Args, Tab, [glue(' ',_)|Es], VNs).
cells([~,'|'|Fs], Args, Tab0, Es, VNs) --> !,
{ G = (phrase(elements_gluevars(Es, 0, Width), _),
Tab is Tab0 + Width) },
cell(Tab0, Tab, [goal(G)|Es]),
( { ground(Tab0), Es = [chars(Cs)], ground(Cs) } ->
{ length(Cs, Width),
Tab is Tab0 + Width },
cell(Tab0, Tab, Es)
; { G = (phrase(elements_gluevars(Es, 0, Width), _),
Tab is Tab0 + Width) },
cell(Tab0, Tab, [goal(G)|Es])
),
cells(Fs, Args, Tab, [], VNs).
cells([~|Fs0], Args0, Tab, Es, VNs) -->
{ numeric_argument(Fs0, Num, ['|'|Fs], Args0, Args) },
@@ -317,8 +322,12 @@ cells([~|Fs0], Args0, Tab, Es, VNs) -->
cells([~|Fs0], Args0, Tab0, Es, VNs) -->
{ numeric_argument(Fs0, Num, [+|Fs], Args0, Args) },
!,
{ G = (Tab is Tab0 + Num) },
cell(Tab0, Tab, [goal(G)|Es]),
( { ground(Tab0+Num) } ->
{ Tab is Tab0 + Num },
cell(Tab0, Tab, Es)
; { G = (Tab is Tab0 + Num) },
cell(Tab0, Tab, [goal(G)|Es])
),
cells(Fs, Args, Tab, [], VNs).
cells([~|Cs], Args, _, _, _) -->
( { Args == [] } ->