1 // Copyright 2015 Google Inc. All rights reserved 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // +build ignore 16 17 #include "flags.h" 18 19 #include <stdlib.h> 20 #include <unistd.h> 21 22 #include "log.h" 23 #include "strutil.h" 24 25 Flags g_flags; 26 27 static bool ParseCommandLineOptionWithArg(StringPiece option, 28 char* argv[], 29 int* index, 30 const char** out_arg) { 31 const char* arg = argv[*index]; 32 if (!HasPrefix(arg, option)) 33 return false; 34 if (arg[option.size()] == '\0') { 35 ++*index; 36 *out_arg = argv[*index]; 37 return true; 38 } 39 if (arg[option.size()] == '=') { 40 *out_arg = arg + option.size() + 1; 41 return true; 42 } 43 // E.g, -j999 44 if (option.size() == 2) { 45 *out_arg = arg + option.size(); 46 return true; 47 } 48 return false; 49 } 50 51 void Flags::Parse(int argc, char** argv) { 52 subkati_args.push_back(argv[0]); 53 num_jobs = num_cpus = sysconf(_SC_NPROCESSORS_ONLN); 54 const char* num_jobs_str; 55 56 if (const char* makeflags = getenv("MAKEFLAGS")) { 57 for (StringPiece tok : WordScanner(makeflags)) { 58 if (!HasPrefix(tok, "-") && tok.find('=') != string::npos) 59 cl_vars.push_back(tok); 60 } 61 } 62 63 for (int i = 1; i < argc; i++) { 64 const char* arg = argv[i]; 65 bool should_propagate = true; 66 int pi = i; 67 if (!strcmp(arg, "-f")) { 68 makefile = argv[++i]; 69 should_propagate = false; 70 } else if (!strcmp(arg, "-c")) { 71 is_syntax_check_only = true; 72 } else if (!strcmp(arg, "-i")) { 73 is_dry_run = true; 74 } else if (!strcmp(arg, "-s")) { 75 is_silent_mode = true; 76 } else if (!strcmp(arg, "-d")) { 77 enable_debug = true; 78 } else if (!strcmp(arg, "--kati_stats")) { 79 enable_stat_logs = true; 80 } else if (!strcmp(arg, "--warn")) { 81 enable_kati_warnings = true; 82 } else if (!strcmp(arg, "--ninja")) { 83 generate_ninja = true; 84 } else if (!strcmp(arg, "--gen_all_targets")) { 85 gen_all_targets = true; 86 } else if (!strcmp(arg, "--regen")) { 87 // TODO: Make this default. 88 regen = true; 89 } else if (!strcmp(arg, "--regen_debug")) { 90 regen_debug = true; 91 } else if (!strcmp(arg, "--regen_ignoring_kati_binary")) { 92 regen_ignoring_kati_binary = true; 93 } else if (!strcmp(arg, "--dump_kati_stamp")) { 94 dump_kati_stamp = true; 95 regen_debug = true; 96 } else if (!strcmp(arg, "--detect_android_echo")) { 97 detect_android_echo = true; 98 } else if (!strcmp(arg, "--detect_depfiles")) { 99 detect_depfiles = true; 100 } else if (!strcmp(arg, "--color_warnings")) { 101 color_warnings = true; 102 } else if (!strcmp(arg, "--werror_find_emulator")) { 103 werror_find_emulator = true; 104 } else if (!strcmp(arg, "--werror_overriding_commands")) { 105 werror_overriding_commands = true; 106 } else if (ParseCommandLineOptionWithArg("-j", argv, &i, &num_jobs_str)) { 107 num_jobs = strtol(num_jobs_str, NULL, 10); 108 if (num_jobs <= 0) { 109 ERROR("Invalid -j flag: %s", num_jobs_str); 110 } 111 } else if (ParseCommandLineOptionWithArg("--remote_num_jobs", argv, &i, 112 &num_jobs_str)) { 113 remote_num_jobs = strtol(num_jobs_str, NULL, 10); 114 if (remote_num_jobs <= 0) { 115 ERROR("Invalid -j flag: %s", num_jobs_str); 116 } 117 } else if (ParseCommandLineOptionWithArg("--ninja_suffix", argv, &i, 118 &ninja_suffix)) { 119 } else if (ParseCommandLineOptionWithArg("--ninja_dir", argv, &i, 120 &ninja_dir)) { 121 } else if (!strcmp(arg, "--use_find_emulator")) { 122 use_find_emulator = true; 123 } else if (ParseCommandLineOptionWithArg("--goma_dir", argv, &i, 124 &goma_dir)) { 125 } else if (ParseCommandLineOptionWithArg( 126 "--ignore_optional_include", argv, &i, 127 &ignore_optional_include_pattern)) { 128 } else if (ParseCommandLineOptionWithArg("--ignore_dirty", argv, &i, 129 &ignore_dirty_pattern)) { 130 } else if (ParseCommandLineOptionWithArg("--no_ignore_dirty", argv, &i, 131 &no_ignore_dirty_pattern)) { 132 } else if (arg[0] == '-') { 133 ERROR("Unknown flag: %s", arg); 134 } else { 135 if (strchr(arg, '=')) { 136 cl_vars.push_back(arg); 137 } else { 138 should_propagate = false; 139 targets.push_back(Intern(arg)); 140 } 141 } 142 143 if (should_propagate) { 144 for (; pi <= i; pi++) { 145 subkati_args.push_back(argv[pi]); 146 } 147 } 148 } 149 } 150
