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solar: use grammar file from command line

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This commit is contained in:
Matthias Schiffer 2015-03-31 18:33:28 +02:00
parent 8e7ce62c20
commit 8b94b9cf2c
1 changed files with 7 additions and 2 deletions
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9
src/solar.cpp
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@ -74,11 +74,16 @@ bool read_grammar(const char *filename, parser_state_t *state) {
}
int main() {
int main(int argc, char *argv[]) {
using namespace solar;
if (argc < 2) {
std::fprintf(stderr, "Usage: solar FILE\n");
return 1;
}
parser_state_t state;
if (!read_grammar("grammar.y", &state))
if (!read_grammar(argv[1], &state))
return 1;
generator_t generator(state.get_rules());