Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-09 20:33:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

glr2.cc: example: simplify

Browse Source 
* examples/c++/glr/c++-types.yy: Formatting changes.
Remove unused support for '@'.
* examples/c/glr/c++-types.y: Ditto.
This commit is contained in:
Akim Demaille
2020-12-26 17:38:47 +01:00
parent bb97a2a37b
commit 89296e3962
2 changed files with 5 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
examples/c++/glr/c++-types.yy
View File

@@ -68,17 +68,15 @@ prog : %empty
| prog stmt { std::cout << @2 << ": " << $2 << '\n'; } | prog stmt { std::cout << @2 << ": " << $2 << '\n'; }
; ;
stmt : expr ';' %merge <stmtMerge> { $$ = $1; } stmt : expr ';' %merge <stmtMerge> { $$ = $1; }
| decl %merge <stmtMerge> | decl %merge <stmtMerge>
| error ';' { $$ = Nterm ("<error>"); } | error ';' { $$ = Nterm ("<error>"); }
| '@' { $$ = $1; YYACCEPT; }
; ;
expr : ID expr : ID
| TYPENAME '(' expr ')' | TYPENAME '(' expr ')' { $$ = Nterm ("<cast>", $3, $1); }
{ $$ = Nterm ("<cast>", $3, $1); } | expr '+' expr { $$ = Nterm ("+", $1, $3); }
| expr '+' expr { $$ = Nterm ("+", $1, $3); } | expr '=' expr { $$ = Nterm ("=", $1, $3); }
| expr '=' expr { $$ = Nterm ("=", $1, $3); }
; ;
decl : TYPENAME declarator ';' decl : TYPENAME declarator ';'

1
examples/c/glr/c++-types.y
View File

@@ -84,7 +84,6 @@ prog : %empty
stmt : expr ';' %merge <stmtMerge> { $$ = $1; } stmt : expr ';' %merge <stmtMerge> { $$ = $1; }
| decl %merge <stmtMerge> | decl %merge <stmtMerge>
| error ';' { $$ = new_nterm ("<error>", NULL, NULL, NULL); } | error ';' { $$ = new_nterm ("<error>", NULL, NULL, NULL); }
| '@' { $$ = $1; YYACCEPT; }
; ;
expr : ID expr : ID