From b4261ac4a79651bd8fd1bd03d38bbf49ee89b615 Mon Sep 17 00:00:00 2001 From: kartofen Date: Sun, 6 Jul 2025 21:18:28 +0300 Subject: modular table building --- demos/sample-files/lalr-defs.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 demos/sample-files/lalr-defs.c (limited to 'demos/sample-files/lalr-defs.c') diff --git a/demos/sample-files/lalr-defs.c b/demos/sample-files/lalr-defs.c new file mode 100644 index 0000000..6147661 --- /dev/null +++ b/demos/sample-files/lalr-defs.c @@ -0,0 +1,35 @@ +#include +#include + +#include "parts/symbol.h" +enum symbol { + ID, EQUAL, STAR, + END_INPUT, + EP, E, L, R, + SYMBOLS_END, +}; + +size_t total_symbols = SYMBOLS_END; + +IMPLEMENT_FUNCPTR(int, symbol_is_terminal, (symbol s)) { return s < EP; } +IMPLEMENT_FUNCPTR(int, symbol_is_input_end, (symbol s)) { return s == END_INPUT; } +IMPLEMENT_FUNCPTR(int, symbol_is_valid, (symbol s)) { return s < SYMBOLS_END; } + +#include "parts/grammar.h" +#define PROD(LHS, _, ...) {LHS, (symbol[]){__VA_ARGS__}, sizeof((symbol[]){__VA_ARGS__})/sizeof(symbol)} +static struct production _grammar[] = { + PROD(EP, ->, E, END_INPUT), + PROD(E, -->, L, EQUAL, R), + PROD(E, -->, R), + PROD(L, -->, STAR, R), + PROD(L, -->, ID), + PROD(R, -->, L), +}; + +struct production *grammar = _grammar; +size_t total_productions = sizeof(_grammar)/sizeof(*_grammar); + +// #include "???.h" +char **semantic_action_str = (char *([])){ + "", "", "", "", "", "", +}; -- cgit v1.2.3