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d: change YYLocation's type from class to struct

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This avoids heap allocation and gives minimal costs for the
creation and destruction of the YYParser.Symbol struct if
the location tracking is active.

Suggested by H. S. Teoh.

* data/skeletons/lalr1.d: Here.
* doc/bison.texi: Document it.
* examples/d/calc/calc.y: Adjust.
* tests/calc.at: Test it.
This commit is contained in:
Adela Vais
2020-11-19 23:03:56 +02:00
committed by Akim Demaille
parent 10305f3e94
commit e5854bbddd
4 changed files with 34 additions and 38 deletions
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4
doc/bison.texi
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@@ -13844,8 +13844,8 @@ can be used to print the semantic values. This however may change
@c - class Location
When the directive @code{%locations} is used, the D parser supports
location tracking, see @ref{Tracking Locations}. The position
structure and the location class are provided.
location tracking, see @ref{Tracking Locations}. The position and
the location structures are provided.
@deftypeivar {YYLocation} {YYPosition} begin
@deftypeivarx {YYLocation} {YYPosition} end