Hi Akim, thanks again,
On Sun, Aug 30, 2020 at 06:19:09PM +0200, Akim Demaille wrote: > > Le 30 août 2020 à 18:06, Ervin Hegedüs <airw...@gmail.com> a écrit : > > > > the documentation shows: > > > > https://www.gnu.org/software/bison/manual/html_node/Enabling-Traces.html > > > > the option -t (POSIX Yacc compliant) > > > > the option --debug (Bison extension) > > Have a look at Bison's examples (e.g. > https://github.com/akimd/bison/tree/master/examples/c/calc) and in particular: > > https://github.com/akimd/bison/blob/b63e3a3352ea13074c5491e40f92b40ce0552004/examples/c/calc/calc.y#L26 > > https://github.com/akimd/bison/blob/b63e3a3352ea13074c5491e40f92b40ce0552004/examples/c/calc/calc.y#L100 oh my... thanks, now it's clear. Here is the result: Starting parse Entering state 0 Stack now 0 Reducing stack by rule 1 (line 41): -> $$ = nterm config () Entering state 1 Stack now 0 1 Reading a token Next token is token T_CONFIG_DIRECTIVE () Shifting token T_CONFIG_DIRECTIVE () Entering state 4 Stack now 0 1 4 Reading a token Next token is token T_CONFIG_DIRECTIVE_ARGUMENT () Shifting token T_CONFIG_DIRECTIVE_ARGUMENT () Entering state 11 Stack now 0 1 4 11 Reducing stack by rule 8 (line 57): $1 = token T_CONFIG_DIRECTIVE () $2 = token T_CONFIG_DIRECTIVE_ARGUMENT () This is a configuration directive and argument: 'ConfKey1' 'foo' -> $$ = nterm config_directive_line () Entering state 9 Stack now 0 1 9 Reducing stack by rule 6 (line 52): $1 = nterm config_directive_line () -> $$ = nterm config_line () Entering state 8 Stack now 0 1 8 Reducing stack by rule 4 (line 46): $1 = nterm config_line () -> $$ = nterm line () Entering state 6 Stack now 0 1 6 Reducing stack by rule 2 (line 42): $1 = nterm config () $2 = nterm line () -> $$ = nterm config () Entering state 1 Stack now 0 1 Reading a token Next token is token T_CONFIG_DIRECTIVE_ARGUMENT () Parse error: syntax error in file badconf1.conf, line 1 a.
