%top {
    #include <stdio.h>
    #include <string>
    #include <set>

    using namespace std;

    set<string> functions;
}
%language cpp
%%

enter function_definition {
    char * name = GET_TBTEXT_FROM_NODE($$->"declarator"->"declarator");
    functions.insert(name);
    free(name);
}

%%

// @BAKE g++ $@ -o $*.out $(pkg-config --cflags --libs tree-sitter tree-sitter-cpp)

signed main(int argc, char * * argv) {
    if (argc < 2) {
        return 1;
    }

	FILE* f = fopen(argv[1], "r");
	fseek(f, 0, SEEK_END);
	int flen = ftell(f);
	rewind(f);
	char fstr[flen+1];
	fstr[flen] = '\00';
	fread(fstr, flen, sizeof(char), f);
	fclose(f);

    tbtraverse(fstr);

    for (const auto &i : functions) {
        puts(i.c_str());
    }

    return 0;
}