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indexing_facts_tree_extractor_test.cc
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// Copyright 2017-2020 The Verible Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "verilog/tools/kythe/indexing_facts_tree_extractor.h"
#include <functional>
#include "absl/status/status.h"
#include "common/analysis/syntax_tree_search_test_utils.h"
#include "common/text/concrete_syntax_tree.h"
#include "common/util/file_util.h"
#include "common/util/range.h"
#include "gtest/gtest.h"
#include "verilog/analysis/verilog_analyzer.h"
#include "verilog/analysis/verilog_project.h"
#include "verilog/tools/kythe/indexing_facts_tree.h"
#include "verilog/tools/kythe/verilog_extractor_indexing_fact_type.h"
#undef EXPECT_OK
#define EXPECT_OK(value) EXPECT_TRUE((value).ok())
namespace verilog {
namespace kythe {
namespace {
using verible::file::testing::ScopedTestFile;
typedef IndexingFactNode T;
typedef IndexingNodeData D;
// This class exists, solely to store the temp dir name in a variable that
// outlives its uses. Do not pass TempDir() directly anywhere that expects a
// string_view to be owned elsewhere, because it returns a temporary string,
// which would leave a dangling reference.
class TempDir {
protected:
TempDir() : temp_dir_(::testing::TempDir()) {}
protected:
const std::string temp_dir_;
};
// Groups information for a single temporary source file together.
struct TestFileEntry {
// This is a view of the original source code of the translation as it was
// passed in through the constructor. VerilogProject::ExtractFiles() works
// with an internal copy of this code as SourceText().
// This copy is useful for rebasing the expected finding tokens into that of
// the internal buffer.
const absl::string_view origin_text;
// One file in project, will be given randomly generated name.
const ScopedTestFile temp_file;
// Points to a successfully opened source file that corresponds to test_file_
// opened as a translation unit.
const VerilogSourceFile* const source_file = nullptr;
TestFileEntry(
absl::string_view code_text, absl::string_view temp_dir,
const std::function<const VerilogSourceFile*(absl::string_view)>&
file_opener,
absl::string_view override_basename = "")
: origin_text(code_text),
temp_file(temp_dir, origin_text, override_basename),
// Open this file from inside 'project', save pointer here.
source_file(file_opener(temp_file.filename())) {}
// Returns the string_view of text owned by this->source_file.
absl::string_view SourceText() const {
return source_file->GetTextStructure()->Contents();
}
T::value_type ExpectedFileData() const {
return {
IndexingFactType::kFile,
Anchor(source_file->ResolvedPath()),
Anchor(SourceText()),
};
}
// Transform a tree so that the string_views point to the copy of the source
// code that lives inside 'source_file', and not the 'origin_text' it came
// from.
T RebaseFileTree(T original_tree) const {
VLOG(3) << __FUNCTION__;
// This is the pointer difference between two copies of the same text.
const std::ptrdiff_t delta =
std::distance(origin_text.begin(), SourceText().begin());
// mutate in-place, pre vs. post order doesn't matter here
original_tree.ApplyPreOrder([delta](T::value_type& data) {
data.RebaseStringViewsForTesting(delta);
});
VLOG(3) << "end of " << __FUNCTION__;
return original_tree; // move
}
};
// SimpleTestProject create a single-file project for testing.
// No include files supported in this base class.
class SimpleTestProject : public TempDir, public VerilogProject {
public:
// 'code_text' is the contents of the single translation unit in this project
explicit SimpleTestProject(absl::string_view code_text,
const std::vector<std::string>& include_paths = {})
: TempDir(),
VerilogProject(temp_dir_, include_paths),
translation_unit_(code_text, temp_dir_,
[this](absl::string_view full_file_name)
-> const VerilogSourceFile* {
/* VerilogProject base class is already fully
* initialized */
return *OpenTranslationUnit(
verible::file::Basename(full_file_name));
}) {}
const TestFileEntry& XUnit() const { return translation_unit_; }
absl::string_view OnlyFileName() const {
return translation_unit_.temp_file.filename();
}
T Extract() {
return ExtractFiles(
/* file_list_path= */ temp_dir_, // == Dirname(OnlyFileName()),
/* project= */ this,
/* file_names= */
{std::string(verible::file::Basename(OnlyFileName()))});
}
T::value_type ExpectedFileListData() const {
return {
IndexingFactType::kFileList, //
Anchor(absl::string_view(temp_dir_)),
// file_list is co-located with the files it references
Anchor(TranslationUnitRoot()),
// TranslationUnitRoot() == verible::file::Dirname(OnlyFileName())
// but in a different string_view range.
};
}
absl::string_view TranslationUnitSourceText() const {
return translation_unit_.SourceText();
}
// This printer only works well for tests cases with one translation unit.
PrintableIndexingFactNode TreePrinter(const IndexingFactNode& n) const {
return PrintableIndexingFactNode(n, TranslationUnitSourceText());
}
using VerilogProject::GetErrorStatuses;
private:
// The one and only translation unit under test.
TestFileEntry translation_unit_;
};
// Test project with one source translation unit, one included file.
class IncludeTestProject : protected SimpleTestProject {
public:
// 'code_text' is the contents of the single translation unit in this project.
// 'include_text' is the contents of the single included file in this project.
IncludeTestProject(absl::string_view code_text,
absl::string_view include_file_basename,
absl::string_view include_text,
const std::vector<std::string>& include_paths = {})
: SimpleTestProject(code_text, include_paths),
include_file_(
include_text, temp_dir_,
[this](
absl::string_view full_file_name) -> const VerilogSourceFile* {
/* VerilogProject base class is already fully initialized */
return *OpenIncludedFile(verible::file::Basename(full_file_name));
},
include_file_basename) {}
using SimpleTestProject::ExpectedFileListData;
using SimpleTestProject::Extract;
using SimpleTestProject::GetErrorStatuses;
using SimpleTestProject::XUnit;
const TestFileEntry& IncludeFile() const { return include_file_; }
private:
// The one and only one included file in the test.
TestFileEntry include_file_;
};
TEST(FactsTreeExtractor, EqualOperatorTest) {
constexpr absl::string_view code_text = "some other code";
constexpr absl::string_view file_name = "verilog.v";
constexpr absl::string_view file_name_other = "other.v";
const IndexingFactNode expected(D{
IndexingFactType::kFile,
Anchor(file_name),
});
// same as expected
const IndexingFactNode tree(D{
IndexingFactType::kFile,
Anchor(file_name),
});
// different filename
const IndexingFactNode tree2(D{
IndexingFactType::kFile,
Anchor(file_name_other),
});
// different number of anchors
const IndexingFactNode tree3(D{
IndexingFactType::kFile,
Anchor(file_name),
Anchor(file_name),
});
// completely different string_view ranges
const IndexingFactNode tree4(
D{
IndexingFactType::kFile,
Anchor(file_name),
},
T(D{
IndexingFactType::kModule,
Anchor(absl::string_view("foo")),
Anchor(absl::string_view("foo")),
}));
const auto P = [&code_text](const IndexingFactNode& n) {
return PrintableIndexingFactNode(n, code_text);
};
{
const auto result_pair = DeepEqual(tree, expected);
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
{
const auto result_pair2 = DeepEqual(tree2, expected);
EXPECT_NE(result_pair2.left, nullptr) << P(*result_pair2.left);
EXPECT_NE(result_pair2.right, nullptr) << P(*result_pair2.right);
}
{
const auto result_pair3 = DeepEqual(tree3, expected);
EXPECT_NE(result_pair3.left, nullptr) << P(*result_pair3.left);
EXPECT_NE(result_pair3.right, nullptr) << P(*result_pair3.right);
}
{
const auto result_pair4 = DeepEqual(tree4, expected);
EXPECT_NE(result_pair4.left, nullptr) << P(*result_pair4.left);
EXPECT_NE(result_pair4.right, nullptr) << P(*result_pair4.right);
}
}
TEST(FactsTreeExtractor, EmptyCSTTest) {
constexpr absl::string_view code_text = "";
SimpleTestProject project(code_text);
const IndexingFactNode expected( //
project.ExpectedFileListData(), //
T(project.XUnit().ExpectedFileData()));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, ParseErrorTest) {
// These inputs are lexically or syntactically invalid.
constexpr absl::string_view code_texts[] = {
"9badid foo;\n", // lexical error
"final v;\n", // syntax error
"module unfinished", // syntax error
};
for (const auto& code_text : code_texts) {
SimpleTestProject project(code_text);
const auto facts_tree = project.Extract();
const std::vector<absl::Status> errors(project.GetErrorStatuses());
EXPECT_FALSE(errors.empty()) << "code\n" << code_text;
}
}
TEST(FactsTreeExtractor, EmptyModuleTest) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {
{"module ", {kTag, "foo"}, ";\n endmodule: ", {kTag, "foo"}}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module foo.
T(D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
Anchor(kTestCase.expected_tokens[3]),
}))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, NoIdentifierInsideNet) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {
"module ",
{kTag, "foo"},
";\n tri sin;\n endmodule",
};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
T(project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module foo.
T(D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
})))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, PropagatedUserDefinedTypeInModulePort) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {{
"module ",
{kTag, "foo"},
"(",
{kTag, "My_type"},
" ",
{kTag, "x"},
", ",
{kTag, "y"},
");\n endmodule",
}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module foo.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
},
// refers to My_type.
T(
D{
IndexingFactType::kDataTypeReference,
Anchor(kTestCase.expected_tokens[3]),
},
// refers to x.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[5]),
}),
// refers to y.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[7]),
}))))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, OneLocalNetTest) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase{{
"module ",
{kTag, "bar"},
";\n"
"wire ",
{kTag, "w"},
";\n"
"tri ",
{kTag, "`x"},
";\n"
"endmodule",
}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module bar.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
},
// refers to w.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to `x
// TODO(minatoma): suppress declarations that use macro
// identifiers because they evaluate to something unknown.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[5]),
})))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, OneModuleInstanceTest) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {{"module ",
{kTag, "bar"},
";\n endmodule: ",
{kTag, "bar"},
"\nmodule ",
{kTag, "foo"},
";\n ",
{kTag, "bar"},
" ",
{kTag, "b1"},
"();\n endmodule: ",
{kTag, "foo"}}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module bar.
T(D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to module foo.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[5]),
Anchor(kTestCase.expected_tokens[11]),
},
// refers to bar.
T(
D{
IndexingFactType::kDataTypeReference,
Anchor(kTestCase.expected_tokens[7]),
},
// refers to bar b1().
T(D{
IndexingFactType::kModuleInstance,
Anchor(kTestCase.expected_tokens[9]),
}))))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, TwoModuleInstanceTest) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {{"module ",
{kTag, "bar"},
";\n endmodule: ",
{kTag, "bar"},
"\nmodule ",
{kTag, "foo"},
"; ",
{kTag, "bar"},
" ",
{kTag, "b1"},
"();\n",
{kTag, "bar"},
" ",
{kTag, "b2"},
"();\nendmodule: ",
{kTag, "foo"}}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module bar.
T(D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to module foo.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[5]),
Anchor(kTestCase.expected_tokens[15]),
},
// refers to bar.
T(
D{
IndexingFactType::kDataTypeReference,
Anchor(kTestCase.expected_tokens[7]),
},
// refers to bar b1().
T(D{
IndexingFactType::kModuleInstance,
Anchor(kTestCase.expected_tokens[9]),
})),
// refers to bar.
T(
D{
IndexingFactType::kDataTypeReference,
Anchor(kTestCase.expected_tokens[11]),
},
// refers to bar b2().
T(D{
IndexingFactType::kModuleInstance,
Anchor(kTestCase.expected_tokens[13]),
}))))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
} // namespace
TEST(FactsTreeExtractor, MultipleModuleInstancesInTheSameDeclarationTest) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {{"module ",
{kTag, "bar"},
";\nendmodule: ",
{kTag, "bar"},
"\nmodule ",
{kTag, "foo"},
";\n",
{kTag, "bar"},
" ",
{kTag, "b1"},
"(), ",
{kTag, "b2"},
"();\nendmodule: ",
{kTag, "foo"}}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module bar.
T(D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to module foo.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[5]),
Anchor(kTestCase.expected_tokens[13]),
},
// refers to bar.
T(
D{
IndexingFactType::kDataTypeReference,
Anchor(kTestCase.expected_tokens[7]),
},
// refers to b1().
T(D{
IndexingFactType::kModuleInstance,
Anchor(kTestCase.expected_tokens[9]),
}),
// refers to bar b2().
T(D{
IndexingFactType::kModuleInstance,
Anchor(kTestCase.expected_tokens[11]),
}))))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
} // namespace
TEST(FactsTreeExtractor, ModuleWithPortsTest) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {{"module ",
{kTag, "foo"},
"(input ",
{kTag, "a"},
", output ",
{kTag, "b"},
");\nendmodule: ",
{kTag, "foo"}}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module foo.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
Anchor(kTestCase.expected_tokens[7]),
},
// refers to input a.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to output b.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[5]),
})))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, ModuleDimensionTypePortsTest) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {
{"module ",
{kTag, "foo"},
"(input ",
{kTag, "a"},
", output [",
{kTag, "x"},
":",
{kTag, "y"},
"] ",
{kTag, "b"},
" [",
{kTag, "x"},
":",
{kTag, "y"},
"]);\nendmodule"},
};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module foo.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
},
// refers to input a.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to output b.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[9]),
}),
// refers to input x.
T(D{
IndexingFactType::kVariableReference,
Anchor(kTestCase.expected_tokens[5]),
}),
// refers to input y.
T(D{
IndexingFactType::kVariableReference,
Anchor(kTestCase.expected_tokens[7]),
}),
// refers to input x.
T(D{
IndexingFactType::kVariableReference,
Anchor(kTestCase.expected_tokens[11]),
}),
// refers to input y.
T(D{
IndexingFactType::kVariableReference,
Anchor(kTestCase.expected_tokens[13]),
})))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, ModuleWithPortsNonANSIStyleTest) {
constexpr int kTag = 1; // value doesn't matter
// Normally, tools will reject non-ANSI port declarations that are missing
// their full definitions inside the body like "input a", but here we don't
// care and are just checking for references, even if they are dangling.
const verible::SyntaxTreeSearchTestCase kTestCase = {{"module ",
{kTag, "foo"},
"(",
{kTag, "a"},
", ",
{kTag, "b"},
", input wire ",
{kTag, "z"},
", ",
{kTag, "h"},
");\nendmodule: ",
{kTag, "foo"}}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module foo.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
Anchor(kTestCase.expected_tokens[11]),
},
// refers to a.
T(D{
IndexingFactType::kVariableReference,
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to b.
T(D{
IndexingFactType::kVariableReference,
Anchor(kTestCase.expected_tokens[5]),
}),
// refers to input z.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[7]),
}),
// refers to h.
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[9]),
})))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, ClassParams) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {
{"class ",
{kTag, "my_class"},
" #(parameter ",
{kTag, "x"},
" = 4, ",
{kTag, "y"},
" = 4); endclass"},
};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to class my_class.
T(
D{
IndexingFactType::kClass,
Anchor(kTestCase.expected_tokens[1]),
},
// refers to parameter x
T(D{
IndexingFactType::kParamDeclaration,
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to y
T(D{
IndexingFactType::kParamDeclaration,
Anchor(kTestCase.expected_tokens[5]),
})))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, QualifiedVariableType) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {
{"module ",
{kTag, "m"},
";\n ",
{kTag, "pkg"},
"::",
{kTag, "X"},
" ",
{kTag, "y"},
";\n ",
{kTag, "pkg"},
"::",
{kTag, "H"},
" ",
{kTag, "j"},
" = new();\nendmodule"}};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to module m.
T(
D{
IndexingFactType::kModule,
Anchor(kTestCase.expected_tokens[1]),
},
// refers to pkg::X
T(
D{
IndexingFactType::kDataTypeReference,
Anchor(kTestCase.expected_tokens[3]),
Anchor(kTestCase.expected_tokens[5]),
},
// refers to y
T(D{
IndexingFactType::kVariableDefinition,
Anchor(kTestCase.expected_tokens[7]),
})),
// refers to pkg::H
T(
D{
IndexingFactType::kDataTypeReference,
Anchor(kTestCase.expected_tokens[9]),
Anchor(kTestCase.expected_tokens[11]),
},
// refers to j
T(D{
IndexingFactType::kClassInstance,
Anchor(kTestCase.expected_tokens[13]),
}))))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, ClassTypeParams) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {
{"class ",
{kTag, "my_class"},
" #(type ",
{kTag, "x"},
" = int, ",
{kTag, "y"},
" = int); endclass"},
};
SimpleTestProject project(kTestCase.code);
const IndexingFactNode expected( //
project.ExpectedFileListData(),
project.XUnit().RebaseFileTree( //
T(project.XUnit().ExpectedFileData(),
// refers to class my_class.
T(
D{
IndexingFactType::kClass,
Anchor(kTestCase.expected_tokens[1]),
},
// refers to parameter x
T(D{
IndexingFactType::kParamDeclaration,
Anchor(kTestCase.expected_tokens[3]),
}),
// refers to y
T(D{
IndexingFactType::kParamDeclaration,
Anchor(kTestCase.expected_tokens[5]),
})))));
const auto facts_tree = project.Extract();
const auto result_pair = DeepEqual(facts_tree, expected);
const auto P = [&project](const T& t) { return project.TreePrinter(t); };
EXPECT_EQ(result_pair.left, nullptr) << P(*result_pair.left);
EXPECT_EQ(result_pair.right, nullptr) << P(*result_pair.right);
}
TEST(FactsTreeExtractor, ModuleInstanceWithActualNamedPorts) {
constexpr int kTag = 1; // value doesn't matter
const verible::SyntaxTreeSearchTestCase kTestCase = {{"module ",
{kTag, "foo"},
"(input ",
{kTag, "a"},
", input ",
{kTag, "b"},
", input wire ",
{kTag, "z"},
", output ",
{kTag, "h"},
");\nendmodule: ",
{kTag, "foo"},
"\nmodule ",
{kTag, "bar"},
"(input ",
{kTag, "a"},
", ",
{kTag, "b"},
", ",
{kTag, "c"},
", ",
{kTag, "h"},
");\n",
{kTag, "foo"},
" ",
{kTag, "f1"},
"(.",
{kTag, "a"},
"(",
{kTag, "a"},
"), .",
{kTag, "b"},
"(",
{kTag, "b"},
"), .",
{kTag, "z"},