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Add script to trim whitespace

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This commit is contained in:
Max Brunsfeld 2014-03-09 19:49:35 -07:00
parent e681a63552
commit 39aa0ccc91
66 changed files with 350 additions and 347 deletions
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12
spec/compiler/build_tables/follow_sets_spec.cpp
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@ -13,35 +13,35 @@ describe("computing FOLLOW sets", []() {
{ "A", sym("a") },
{ "B", sym("b") },
}, {});
it("all of the starting non-terminals for the item, and their following terminals", [&]() {
ParseItem item(Symbol("C"), choice({
seq({ sym("A"), choice({ sym("x"), sym("y") }) }),
seq({ sym("B"), sym("z") }),
}), {}, Symbol("w"));
AssertThat(follow_sets(item, grammar), Equals(map<Symbol, set<Symbol>>({
{ Symbol("A"), set<Symbol>({ Symbol("x"), Symbol("y") }) },
{ Symbol("B"), set<Symbol>({ Symbol("z") }) },
})));
});
it("does not include terminals at the beginning of the item", [&]() {
ParseItem item(Symbol("C"), choice({
seq({ sym("A"), choice({ sym("x"), sym("y") }) }),
seq({ sym("x"), sym("y") }),
}), {}, Symbol("w"));
AssertThat(follow_sets(item, grammar), Equals(map<Symbol, set<Symbol>>({
{ Symbol("A"), set<Symbol>({ Symbol("x"), Symbol("y") }) },
})));
});
it("includes the item's lookahead terminal if the rule after the non-terminal might be blank", [&]() {
ParseItem item(Symbol("C"), choice({
seq({ sym("A"), choice({ sym("x"), blank() }) }),
}), {}, Symbol("w"));
AssertThat(follow_sets(item, grammar), Equals(map<Symbol, set<Symbol>>({
{ Symbol("A"), set<Symbol>({ Symbol("x"), Symbol("w") }) },
})));