actually i think i am getting confused i will make a test case to show it.
On 29 November 2013 11:54, Philip Herron <herron.phi...@googlemail.com>wrote: > hmm not sure should i use this: does it mean i should use flex to look at > the next token if it '('. > > Since it looks like IDENTIFIER '(' ...? > > > On 29 November 2013 09:15, John P. Hartmann <jphartm...@gmail.com> wrote: > >> %error-verbose >> %right '=' >> %left '+' >> %token IDENTIFIER INTEGER CALL >> %% >> >> expression: IDENTIFIER '=' expression >> | expression '+' expression >> | '( ' expression ')' >> | primary >> >> primary: IDENTIFIER >> | INTEGER >> | CALL '(' expression ')' >> %% >> >> On 11/29/2013 09:54 AM, Philip Herron wrote: >> > Hey all, >> > >> > Its been a while since i've really seriously been working with bison but >> > say i have the grammar: >> > >> > %right '=' >> > %left '+' >> > >> > expression: IDENTIFIER '=' expression >> > | expression '+' expression >> > | ... >> > | '( ' expression ')' >> > | primary >> > >> > primary: IDENTIFIER >> > | INTEGER >> > >> > What way should i go about adding support for something like: >> > >> > x = call ( ) >> > >> > I get a shift/reduce conflict on this. Currently i have and it mostly >> works. >> > >> > parameter: expression >> > >> > parameter_list: parameter_list ',' parameter >> > | parameter >> > >> > call: IDENTIFIER '(' parameter_list ')' >> > >> > primary: IDENTIFIER >> > | INTEGER >> > | call >> > >> > Then if i want something like: >> > >> > x = mytype { x = 1, y = 2; } >> > >> > I was able to use %right '{' for this to work. But i am not sure how >> calls >> > should be implemented. >> > >> > Thanks >> > >> > --Phil >> > _______________________________________________ >> > help-bison@gnu.org https://lists.gnu.org/mailman/listinfo/help-bison >> > >> >> >> _______________________________________________ >> help-bison@gnu.org https://lists.gnu.org/mailman/listinfo/help-bison >> > > _______________________________________________ help-bison@gnu.org https://lists.gnu.org/mailman/listinfo/help-bison