1 //===- unittests/Basic/SourceManagerTest.cpp ------ SourceManager tests ---===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "clang/Basic/SourceManager.h"
11 #include "clang/Basic/Diagnostic.h"
12 #include "clang/Basic/DiagnosticOptions.h"
13 #include "clang/Basic/FileManager.h"
14 #include "clang/Basic/LangOptions.h"
15 #include "clang/Basic/TargetInfo.h"
16 #include "clang/Basic/TargetOptions.h"
17 #include "clang/Lex/HeaderSearch.h"
18 #include "clang/Lex/HeaderSearchOptions.h"
19 #include "clang/Lex/ModuleLoader.h"
20 #include "clang/Lex/Preprocessor.h"
21 #include "clang/Lex/PreprocessorOptions.h"
22 #include "llvm/ADT/SmallString.h"
23 #include "llvm/Config/llvm-config.h"
24 #include "gtest/gtest.h"
27 using namespace clang;
32 class SourceManagerTest : public ::testing::Test {
35 : FileMgr(FileMgrOpts),
36 DiagID(new DiagnosticIDs()),
37 Diags(DiagID, new DiagnosticOptions, new IgnoringDiagConsumer()),
38 SourceMgr(Diags, FileMgr),
39 TargetOpts(new TargetOptions) {
40 TargetOpts->Triple = "x86_64-apple-darwin11.1.0";
41 Target = TargetInfo::CreateTargetInfo(Diags, TargetOpts);
44 FileSystemOptions FileMgrOpts;
46 IntrusiveRefCntPtr<DiagnosticIDs> DiagID;
47 DiagnosticsEngine Diags;
48 SourceManager SourceMgr;
50 std::shared_ptr<TargetOptions> TargetOpts;
51 IntrusiveRefCntPtr<TargetInfo> Target;
54 class VoidModuleLoader : public ModuleLoader {
55 ModuleLoadResult loadModule(SourceLocation ImportLoc,
57 Module::NameVisibilityKind Visibility,
58 bool IsInclusionDirective) override {
59 return ModuleLoadResult();
62 void makeModuleVisible(Module *Mod,
63 Module::NameVisibilityKind Visibility,
64 SourceLocation ImportLoc) override { }
66 GlobalModuleIndex *loadGlobalModuleIndex(SourceLocation TriggerLoc) override
68 bool lookupMissingImports(StringRef Name, SourceLocation TriggerLoc) override
72 TEST_F(SourceManagerTest, isBeforeInTranslationUnit) {
76 std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(source);
77 FileID mainFileID = SourceMgr.createFileID(std::move(Buf));
78 SourceMgr.setMainFileID(mainFileID);
80 VoidModuleLoader ModLoader;
81 HeaderSearch HeaderInfo(new HeaderSearchOptions, SourceMgr, Diags, LangOpts,
83 Preprocessor PP(new PreprocessorOptions(), Diags, LangOpts, SourceMgr,
84 HeaderInfo, ModLoader,
85 /*IILookup =*/nullptr,
86 /*OwnsHeaderSearch =*/false);
87 PP.Initialize(*Target);
88 PP.EnterMainSourceFile();
90 std::vector<Token> toks;
99 // Make sure we got the tokens that we expected.
100 ASSERT_EQ(3U, toks.size());
101 ASSERT_EQ(tok::l_square, toks[0].getKind());
102 ASSERT_EQ(tok::identifier, toks[1].getKind());
103 ASSERT_EQ(tok::r_square, toks[2].getKind());
105 SourceLocation lsqrLoc = toks[0].getLocation();
106 SourceLocation idLoc = toks[1].getLocation();
107 SourceLocation rsqrLoc = toks[2].getLocation();
109 SourceLocation macroExpStartLoc = SourceMgr.translateLineCol(mainFileID, 2, 1);
110 SourceLocation macroExpEndLoc = SourceMgr.translateLineCol(mainFileID, 2, 6);
111 ASSERT_TRUE(macroExpStartLoc.isFileID());
112 ASSERT_TRUE(macroExpEndLoc.isFileID());
115 ASSERT_EQ("M", PP.getSpelling(macroExpStartLoc, str));
116 ASSERT_EQ(")", PP.getSpelling(macroExpEndLoc, str));
118 EXPECT_TRUE(SourceMgr.isBeforeInTranslationUnit(lsqrLoc, idLoc));
119 EXPECT_TRUE(SourceMgr.isBeforeInTranslationUnit(idLoc, rsqrLoc));
120 EXPECT_TRUE(SourceMgr.isBeforeInTranslationUnit(macroExpStartLoc, idLoc));
121 EXPECT_TRUE(SourceMgr.isBeforeInTranslationUnit(idLoc, macroExpEndLoc));
124 TEST_F(SourceManagerTest, getColumnNumber) {
129 std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Source);
130 FileID MainFileID = SourceMgr.createFileID(std::move(Buf));
131 SourceMgr.setMainFileID(MainFileID);
136 EXPECT_EQ(1U, SourceMgr.getColumnNumber(MainFileID, 0, &Invalid));
137 EXPECT_TRUE(!Invalid);
140 EXPECT_EQ(5U, SourceMgr.getColumnNumber(MainFileID, 4, &Invalid));
141 EXPECT_TRUE(!Invalid);
144 EXPECT_EQ(1U, SourceMgr.getColumnNumber(MainFileID, 7, &Invalid));
145 EXPECT_TRUE(!Invalid);
148 EXPECT_EQ(5U, SourceMgr.getColumnNumber(MainFileID, 11, &Invalid));
149 EXPECT_TRUE(!Invalid);
152 EXPECT_EQ(7U, SourceMgr.getColumnNumber(MainFileID, strlen(Source),
154 EXPECT_TRUE(!Invalid);
157 SourceMgr.getColumnNumber(MainFileID, strlen(Source)+1, &Invalid);
158 EXPECT_TRUE(Invalid);
160 // Test invalid files
162 SourceMgr.getColumnNumber(FileID(), 0, &Invalid);
163 EXPECT_TRUE(Invalid);
166 SourceMgr.getColumnNumber(FileID(), 1, &Invalid);
167 EXPECT_TRUE(Invalid);
169 // Test with no invalid flag.
170 EXPECT_EQ(1U, SourceMgr.getColumnNumber(MainFileID, 0, nullptr));
173 #if defined(LLVM_ON_UNIX)
175 TEST_F(SourceManagerTest, getMacroArgExpandedLocation) {
177 "#define FM(x,y) x\n";
180 "#include \"/test-header.h\"\n"
185 "#define CONCAT(X, Y) X##Y\n"
188 std::unique_ptr<MemoryBuffer> HeaderBuf = MemoryBuffer::getMemBuffer(header);
189 std::unique_ptr<MemoryBuffer> MainBuf = MemoryBuffer::getMemBuffer(main);
190 FileID mainFileID = SourceMgr.createFileID(std::move(MainBuf));
191 SourceMgr.setMainFileID(mainFileID);
193 const FileEntry *headerFile = FileMgr.getVirtualFile("/test-header.h",
194 HeaderBuf->getBufferSize(), 0);
195 SourceMgr.overrideFileContents(headerFile, std::move(HeaderBuf));
197 VoidModuleLoader ModLoader;
198 HeaderSearch HeaderInfo(new HeaderSearchOptions, SourceMgr, Diags, LangOpts,
200 Preprocessor PP(new PreprocessorOptions(), Diags, LangOpts, SourceMgr,
201 HeaderInfo, ModLoader,
202 /*IILookup =*/nullptr,
203 /*OwnsHeaderSearch =*/false);
204 PP.Initialize(*Target);
205 PP.EnterMainSourceFile();
207 std::vector<Token> toks;
211 if (tok.is(tok::eof))
216 // Make sure we got the tokens that we expected.
217 ASSERT_EQ(4U, toks.size());
218 ASSERT_EQ(tok::numeric_constant, toks[0].getKind());
219 ASSERT_EQ(tok::numeric_constant, toks[1].getKind());
220 ASSERT_EQ(tok::numeric_constant, toks[2].getKind());
221 ASSERT_EQ(tok::numeric_constant, toks[3].getKind());
223 SourceLocation defLoc = SourceMgr.translateLineCol(mainFileID, 2, 13);
224 SourceLocation loc1 = SourceMgr.translateLineCol(mainFileID, 3, 8);
225 SourceLocation loc2 = SourceMgr.translateLineCol(mainFileID, 4, 4);
226 SourceLocation loc3 = SourceMgr.translateLineCol(mainFileID, 5, 7);
227 SourceLocation defLoc2 = SourceMgr.translateLineCol(mainFileID, 6, 22);
228 defLoc = SourceMgr.getMacroArgExpandedLocation(defLoc);
229 loc1 = SourceMgr.getMacroArgExpandedLocation(loc1);
230 loc2 = SourceMgr.getMacroArgExpandedLocation(loc2);
231 loc3 = SourceMgr.getMacroArgExpandedLocation(loc3);
232 defLoc2 = SourceMgr.getMacroArgExpandedLocation(defLoc2);
234 EXPECT_TRUE(defLoc.isFileID());
235 EXPECT_TRUE(loc1.isFileID());
236 EXPECT_TRUE(SourceMgr.isMacroArgExpansion(loc2));
237 EXPECT_TRUE(SourceMgr.isMacroArgExpansion(loc3));
238 EXPECT_EQ(loc2, toks[1].getLocation());
239 EXPECT_EQ(loc3, toks[2].getLocation());
240 EXPECT_TRUE(defLoc2.isFileID());
248 bool isDefinition; // if false, it is expansion.
250 MacroAction(SourceLocation Loc, StringRef Name, bool isDefinition)
251 : Loc(Loc), Name(Name), isDefinition(isDefinition) { }
254 class MacroTracker : public PPCallbacks {
255 std::vector<MacroAction> &Macros;
258 explicit MacroTracker(std::vector<MacroAction> &Macros) : Macros(Macros) { }
260 void MacroDefined(const Token &MacroNameTok,
261 const MacroDirective *MD) override {
262 Macros.push_back(MacroAction(MD->getLocation(),
263 MacroNameTok.getIdentifierInfo()->getName(),
266 void MacroExpands(const Token &MacroNameTok, const MacroDefinition &MD,
267 SourceRange Range, const MacroArgs *Args) override {
268 Macros.push_back(MacroAction(MacroNameTok.getLocation(),
269 MacroNameTok.getIdentifierInfo()->getName(),
276 TEST_F(SourceManagerTest, isBeforeInTranslationUnitWithMacroInInclude) {
278 "#define MACRO_IN_INCLUDE 0\n";
282 "#define INC \"/test-header.h\"\n"
284 "#define INC2 </test-header.h>\n"
285 "#include M(INC2)\n";
287 std::unique_ptr<MemoryBuffer> HeaderBuf = MemoryBuffer::getMemBuffer(header);
288 std::unique_ptr<MemoryBuffer> MainBuf = MemoryBuffer::getMemBuffer(main);
289 SourceMgr.setMainFileID(SourceMgr.createFileID(std::move(MainBuf)));
291 const FileEntry *headerFile = FileMgr.getVirtualFile("/test-header.h",
292 HeaderBuf->getBufferSize(), 0);
293 SourceMgr.overrideFileContents(headerFile, std::move(HeaderBuf));
295 VoidModuleLoader ModLoader;
296 HeaderSearch HeaderInfo(new HeaderSearchOptions, SourceMgr, Diags, LangOpts,
298 Preprocessor PP(new PreprocessorOptions(), Diags, LangOpts, SourceMgr,
299 HeaderInfo, ModLoader,
300 /*IILookup =*/nullptr,
301 /*OwnsHeaderSearch =*/false);
302 PP.Initialize(*Target);
304 std::vector<MacroAction> Macros;
305 PP.addPPCallbacks(llvm::make_unique<MacroTracker>(Macros));
307 PP.EnterMainSourceFile();
309 std::vector<Token> toks;
313 if (tok.is(tok::eof))
318 // Make sure we got the tokens that we expected.
319 ASSERT_EQ(0U, toks.size());
321 ASSERT_EQ(9U, Macros.size());
323 ASSERT_TRUE(Macros[0].isDefinition);
324 ASSERT_EQ("M", Macros[0].Name);
325 // #define INC "/test-header.h"
326 ASSERT_TRUE(Macros[1].isDefinition);
327 ASSERT_EQ("INC", Macros[1].Name);
328 // M expansion in #include M(INC)
329 ASSERT_FALSE(Macros[2].isDefinition);
330 ASSERT_EQ("M", Macros[2].Name);
331 // INC expansion in #include M(INC)
332 ASSERT_FALSE(Macros[3].isDefinition);
333 ASSERT_EQ("INC", Macros[3].Name);
334 // #define MACRO_IN_INCLUDE 0
335 ASSERT_TRUE(Macros[4].isDefinition);
336 ASSERT_EQ("MACRO_IN_INCLUDE", Macros[4].Name);
337 // #define INC2 </test-header.h>
338 ASSERT_TRUE(Macros[5].isDefinition);
339 ASSERT_EQ("INC2", Macros[5].Name);
340 // M expansion in #include M(INC2)
341 ASSERT_FALSE(Macros[6].isDefinition);
342 ASSERT_EQ("M", Macros[6].Name);
343 // INC2 expansion in #include M(INC2)
344 ASSERT_FALSE(Macros[7].isDefinition);
345 ASSERT_EQ("INC2", Macros[7].Name);
346 // #define MACRO_IN_INCLUDE 0
347 ASSERT_TRUE(Macros[8].isDefinition);
348 ASSERT_EQ("MACRO_IN_INCLUDE", Macros[8].Name);
350 // The INC expansion in #include M(INC) comes before the first
351 // MACRO_IN_INCLUDE definition of the included file.
352 EXPECT_TRUE(SourceMgr.isBeforeInTranslationUnit(Macros[3].Loc, Macros[4].Loc));
354 // The INC2 expansion in #include M(INC2) comes before the second
355 // MACRO_IN_INCLUDE definition of the included file.
356 EXPECT_TRUE(SourceMgr.isBeforeInTranslationUnit(Macros[7].Loc, Macros[8].Loc));
361 } // anonymous namespace