89cd86bbc5
This reverts commit 049f4e4eab.
The problem was a stray dependency in CLANG_TEST_DEPS which caused cmake
to fail if clang-pseudo wasn't built. This is now removed.
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
//===--- LRTableTest.cpp - ---------------------------------------*- C++-*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang-pseudo/LRTable.h"
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#include "clang-pseudo/Grammar.h"
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#include "clang/Basic/TokenKinds.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include <vector>
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namespace clang {
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namespace pseudo {
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namespace {
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using testing::IsEmpty;
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using testing::UnorderedElementsAre;
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using Action = LRTable::Action;
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TEST(LRTable, Builder) {
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GrammarTable GTable;
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// eof semi ...
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// +-------+----+-------+---
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// |state0 | | s0,r0 |...
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// |state1 | acc| |...
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// |state2 | | r1 |...
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// +-------+----+-------+---
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std::vector<LRTable::Entry> Entries = {
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{/* State */ 0, tokenSymbol(tok::semi), Action::shift(0)},
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{/* State */ 0, tokenSymbol(tok::semi), Action::reduce(0)},
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{/* State */ 1, tokenSymbol(tok::eof), Action::accept(2)},
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{/* State */ 2, tokenSymbol(tok::semi), Action::reduce(1)}};
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GrammarTable GT;
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LRTable T = LRTable::buildForTests(GT, Entries);
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EXPECT_THAT(T.find(0, tokenSymbol(tok::eof)), IsEmpty());
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EXPECT_THAT(T.find(0, tokenSymbol(tok::semi)),
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UnorderedElementsAre(Action::shift(0), Action::reduce(0)));
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EXPECT_THAT(T.find(1, tokenSymbol(tok::eof)),
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UnorderedElementsAre(Action::accept(2)));
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EXPECT_THAT(T.find(1, tokenSymbol(tok::semi)), IsEmpty());
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EXPECT_THAT(T.find(2, tokenSymbol(tok::semi)),
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UnorderedElementsAre(Action::reduce(1)));
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// Verify the behaivor for other non-available-actions terminals.
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EXPECT_THAT(T.find(2, tokenSymbol(tok::kw_int)), IsEmpty());
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}
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} // namespace
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} // namespace pseudo
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} // namespace clang
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