33 lines
No EOL
996 B
C++
33 lines
No EOL
996 B
C++
#include "compiler_spec_helper.h"
|
|
#include "compiler/prepared_grammar.h"
|
|
#include "compiler/build_tables/item_set_closure.h"
|
|
#include "compiler/build_tables/item_set_transitions.h"
|
|
|
|
using namespace build_tables;
|
|
using namespace rules;
|
|
|
|
START_TEST
|
|
|
|
describe("computing closures of item sets", []() {
|
|
PreparedGrammar grammar({
|
|
{ "E", seq({
|
|
i_sym(1),
|
|
i_token(11) }) },
|
|
{ "T", seq({
|
|
i_token(12),
|
|
i_token(13) }) },
|
|
}, {});
|
|
|
|
it("adds items at the beginnings of referenced rules", [&]() {
|
|
ParseItemSet item_set = item_set_closure(
|
|
ParseItem(Symbol(0), grammar.rule(Symbol(0)), 0, Symbol(10, SymbolOptionToken)),
|
|
grammar);
|
|
|
|
AssertThat(item_set, Equals(ParseItemSet({
|
|
ParseItem(Symbol(1), grammar.rule(Symbol(1)), 0, Symbol(11, SymbolOptionToken)),
|
|
ParseItem(Symbol(0), grammar.rule(Symbol(0)), 0, Symbol(10, SymbolOptionToken)),
|
|
})));
|
|
});
|
|
});
|
|
|
|
END_TEST |