From d69d2e7a7e09c4f08cd416241e2f2d9dc7d7d05f Mon Sep 17 00:00:00 2001 From: kartofen Date: Wed, 9 Jul 2025 22:49:24 +0300 Subject: untested precednece lol --- parts/grammar.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'parts/grammar.h') diff --git a/parts/grammar.h b/parts/grammar.h index d1bf176..4505b1a 100644 --- a/parts/grammar.h +++ b/parts/grammar.h @@ -3,10 +3,20 @@ #include // size_t +enum precedence_flag { + PRECEDENCE_NO_ASSOC, + PRECEDENCE_RIGHT_ASSOC, + PRECEDENCE_LEFT_ASSOC, +}; + +#define PRECEDENCE_NUM(prec) ((prec) >> 2) +#define PRECEDENCE_FLAG(prec) ((prec) & 0x3) + extern struct production { symbol LHS; symbol *RHS; size_t nRHS; + unsigned int precedence; } *grammar; extern size_t total_productions; @@ -29,7 +39,7 @@ void grammar_print_cstyle() printf("{%d, (symbol[]){", grammar[i].LHS); for(size_t j = 0; j < grammar[i].nRHS; j++) printf("%d, ", grammar[i].RHS[j]); - printf("}, %zu},\n", grammar[i].nRHS); + printf("}, %zu, %d},\n", grammar[i].nRHS, grammar[i].precedence); } } -- cgit v1.2.3