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Support %destructor and merge error locations in lalr1.cc.

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* data/lalr1.cc (b4_cxx_destruct_def): New macro.
(Parser::stos_): Define unconditionally.
(Parser::destruct_): New method.  Generate its body with
b4_yydestruct_generate.
(Parser::error_start_): New attribute.
(Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
token which are discarded.
(Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
error_start_ when erroneous token are discarded.
(Parser::parse) <yyerrlab1>: Compute the location of the error
token so that it covers all the discarded tokens.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
it can be called with `%skeleton "lalr1.cc"', and do that.
This commit is contained in:
Alexandre Duret-Lutz
2004-02-09 21:31:42 +00:00
parent 0b31edd3e1
commit c2729758f2
3 changed files with 106 additions and 20 deletions
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@@ -1,3 +1,21 @@
2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
Support %destructor and merge error locations in lalr1.cc.
* data/lalr1.cc (b4_cxx_destruct_def): New macro.
(Parser::stos_): Define unconditionally.
(Parser::destruct_): New method. Generate its body with
b4_yydestruct_generate.
(Parser::error_start_): New attribute.
(Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
token which are discarded.
(Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
error_start_ when erroneous token are discarded.
(Parser::parse) <yyerrlab1>: Compute the location of the error
token so that it covers all the discarded tokens.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
it can be called with `%skeleton "lalr1.cc"', and do that.
2004-02-02 Paul Eggert <eggert@twinsun.com>
* src/Makefile.am (AM_CPPFLAGS): New macro. It mentions