1 //===- unittest/Support/OptionParsingTest.cpp - OptTable tests ------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/ADT/STLExtras.h" 11 #include "llvm/Option/Arg.h" 12 #include "llvm/Option/ArgList.h" 13 #include "llvm/Option/Option.h" 14 #include "gtest/gtest.h" 15 16 using namespace llvm; 17 using namespace llvm::opt; 18 19 enum ID { 20 OPT_INVALID = 0, // This is not an option ID. 21 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ 22 HELPTEXT, METAVAR) OPT_##ID, 23 #include "Opts.inc" 24 LastOption 25 #undef OPTION 26 }; 27 28 #define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE; 29 #include "Opts.inc" 30 #undef PREFIX 31 32 enum OptionFlags { 33 OptFlag1 = (1 << 4), 34 OptFlag2 = (1 << 5), 35 OptFlag3 = (1 << 6) 36 }; 37 38 static const OptTable::Info InfoTable[] = { 39 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ 40 HELPTEXT, METAVAR) \ 41 { PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, PARAM, \ 42 FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS }, 43 #include "Opts.inc" 44 #undef OPTION 45 }; 46 47 namespace { 48 class TestOptTable : public OptTable { 49 public: 50 TestOptTable(bool IgnoreCase = false) 51 : OptTable(InfoTable, array_lengthof(InfoTable), IgnoreCase) {} 52 }; 53 } 54 55 const char *Args[] = { 56 "-A", 57 "-Bhi", 58 "--C=desu", 59 "-C", "bye", 60 "-D,adena", 61 "-E", "apple", "bloom", 62 "-Fblarg", 63 "-F", "42", 64 "-Gchuu", "2" 65 }; 66 67 TEST(Option, OptionParsing) { 68 TestOptTable T; 69 unsigned MAI, MAC; 70 std::unique_ptr<InputArgList> AL( 71 T.ParseArgs(std::begin(Args), std::end(Args), MAI, MAC)); 72 73 // Check they all exist. 74 EXPECT_TRUE(AL->hasArg(OPT_A)); 75 EXPECT_TRUE(AL->hasArg(OPT_B)); 76 EXPECT_TRUE(AL->hasArg(OPT_C)); 77 EXPECT_TRUE(AL->hasArg(OPT_D)); 78 EXPECT_TRUE(AL->hasArg(OPT_E)); 79 EXPECT_TRUE(AL->hasArg(OPT_F)); 80 EXPECT_TRUE(AL->hasArg(OPT_G)); 81 82 // Check the values. 83 EXPECT_EQ(AL->getLastArgValue(OPT_B), "hi"); 84 EXPECT_EQ(AL->getLastArgValue(OPT_C), "bye"); 85 EXPECT_EQ(AL->getLastArgValue(OPT_D), "adena"); 86 std::vector<std::string> Es = AL->getAllArgValues(OPT_E); 87 EXPECT_EQ(Es[0], "apple"); 88 EXPECT_EQ(Es[1], "bloom"); 89 EXPECT_EQ(AL->getLastArgValue(OPT_F), "42"); 90 std::vector<std::string> Gs = AL->getAllArgValues(OPT_G); 91 EXPECT_EQ(Gs[0], "chuu"); 92 EXPECT_EQ(Gs[1], "2"); 93 94 // Check the help text. 95 std::string Help; 96 raw_string_ostream RSO(Help); 97 T.PrintHelp(RSO, "test", "title!"); 98 EXPECT_NE(Help.find("-A"), std::string::npos); 99 100 // Test aliases. 101 arg_iterator Cs = AL->filtered_begin(OPT_C); 102 ASSERT_NE(Cs, AL->filtered_end()); 103 EXPECT_EQ(StringRef((*Cs)->getValue()), "desu"); 104 ArgStringList ASL; 105 (*Cs)->render(*AL, ASL); 106 ASSERT_EQ(ASL.size(), 2u); 107 EXPECT_EQ(StringRef(ASL[0]), "-C"); 108 EXPECT_EQ(StringRef(ASL[1]), "desu"); 109 } 110 111 TEST(Option, ParseWithFlagExclusions) { 112 TestOptTable T; 113 unsigned MAI, MAC; 114 std::unique_ptr<InputArgList> AL; 115 116 // Exclude flag3 to avoid parsing as OPT_SLASH_C. 117 AL.reset(T.ParseArgs(std::begin(Args), std::end(Args), MAI, MAC, 118 /*FlagsToInclude=*/0, 119 /*FlagsToExclude=*/OptFlag3)); 120 EXPECT_TRUE(AL->hasArg(OPT_A)); 121 EXPECT_TRUE(AL->hasArg(OPT_C)); 122 EXPECT_FALSE(AL->hasArg(OPT_SLASH_C)); 123 124 // Exclude flag1 to avoid parsing as OPT_C. 125 AL.reset(T.ParseArgs(std::begin(Args), std::end(Args), MAI, MAC, 126 /*FlagsToInclude=*/0, 127 /*FlagsToExclude=*/OptFlag1)); 128 EXPECT_TRUE(AL->hasArg(OPT_B)); 129 EXPECT_FALSE(AL->hasArg(OPT_C)); 130 EXPECT_TRUE(AL->hasArg(OPT_SLASH_C)); 131 132 const char *NewArgs[] = { "/C", "foo", "--C=bar" }; 133 AL.reset(T.ParseArgs(std::begin(NewArgs), std::end(NewArgs), MAI, MAC)); 134 EXPECT_TRUE(AL->hasArg(OPT_SLASH_C)); 135 EXPECT_TRUE(AL->hasArg(OPT_C)); 136 EXPECT_EQ(AL->getLastArgValue(OPT_SLASH_C), "foo"); 137 EXPECT_EQ(AL->getLastArgValue(OPT_C), "bar"); 138 } 139 140 TEST(Option, ParseAliasInGroup) { 141 TestOptTable T; 142 unsigned MAI, MAC; 143 144 const char *MyArgs[] = { "-I" }; 145 std::unique_ptr<InputArgList> AL( 146 T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC)); 147 EXPECT_TRUE(AL->hasArg(OPT_H)); 148 } 149 150 TEST(Option, AliasArgs) { 151 TestOptTable T; 152 unsigned MAI, MAC; 153 154 const char *MyArgs[] = { "-J", "-Joo" }; 155 std::unique_ptr<InputArgList> AL( 156 T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC)); 157 EXPECT_TRUE(AL->hasArg(OPT_B)); 158 EXPECT_EQ(AL->getAllArgValues(OPT_B)[0], "foo"); 159 EXPECT_EQ(AL->getAllArgValues(OPT_B)[1], "bar"); 160 } 161 162 TEST(Option, IgnoreCase) { 163 TestOptTable T(true); 164 unsigned MAI, MAC; 165 166 const char *MyArgs[] = { "-a", "-joo" }; 167 std::unique_ptr<InputArgList> AL( 168 T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC)); 169 EXPECT_TRUE(AL->hasArg(OPT_A)); 170 EXPECT_TRUE(AL->hasArg(OPT_B)); 171 } 172 173 TEST(Option, DoNotIgnoreCase) { 174 TestOptTable T; 175 unsigned MAI, MAC; 176 177 const char *MyArgs[] = { "-a", "-joo" }; 178 std::unique_ptr<InputArgList> AL( 179 T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC)); 180 EXPECT_FALSE(AL->hasArg(OPT_A)); 181 EXPECT_FALSE(AL->hasArg(OPT_B)); 182 } 183 184 TEST(Option, SlurpEmpty) { 185 TestOptTable T; 186 unsigned MAI, MAC; 187 188 const char *MyArgs[] = { "-A", "-slurp" }; 189 std::unique_ptr<InputArgList> AL( 190 T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC)); 191 EXPECT_TRUE(AL->hasArg(OPT_A)); 192 EXPECT_TRUE(AL->hasArg(OPT_Slurp)); 193 EXPECT_EQ(AL->getAllArgValues(OPT_Slurp).size(), 0U); 194 } 195 196 TEST(Option, Slurp) { 197 TestOptTable T; 198 unsigned MAI, MAC; 199 200 const char *MyArgs[] = { "-A", "-slurp", "-B", "--", "foo" }; 201 std::unique_ptr<InputArgList> AL( 202 T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC)); 203 EXPECT_EQ(AL->size(), 2U); 204 EXPECT_TRUE(AL->hasArg(OPT_A)); 205 EXPECT_FALSE(AL->hasArg(OPT_B)); 206 EXPECT_TRUE(AL->hasArg(OPT_Slurp)); 207 EXPECT_EQ(AL->getAllArgValues(OPT_Slurp).size(), 3U); 208 EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[0], "-B"); 209 EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[1], "--"); 210 EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[2], "foo"); 211 } 212
