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 #ifndef LOG_H_ 16 #define LOG_H_ 17 18 #include <errno.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 #include <string.h> 22 23 #include "flags.h" 24 #include "log.h" 25 #include "stringprintf.h" 26 27 using namespace std; 28 29 extern bool g_log_no_exit; 30 extern string* g_last_error; 31 32 // Useful for logging-only arguments. 33 #define UNUSED __attribute__((unused)) 34 35 #ifdef NOLOG 36 #define LOG(args...) 37 #else 38 #define LOG(args...) do { \ 39 fprintf(stderr, "*kati*: %s\n", StringPrintf(args).c_str()); \ 40 } while(0) 41 #endif 42 43 #define LOG_STAT(args...) do { \ 44 if (g_flags.enable_stat_logs) \ 45 fprintf(stderr, "*kati*: %s\n", StringPrintf(args).c_str()); \ 46 } while(0) 47 48 #define PLOG(...) do { \ 49 fprintf(stderr, "%s: %s\n", StringPrintf(__VA_ARGS__).c_str(), \ 50 strerror(errno)); \ 51 } while (0) 52 53 #define PERROR(...) do { \ 54 PLOG(__VA_ARGS__); \ 55 exit(1); \ 56 } while (0) 57 58 #define WARN(...) do { \ 59 fprintf(stderr, "%s\n", StringPrintf(__VA_ARGS__).c_str()); \ 60 } while (0) 61 62 #define KATI_WARN(...) do { \ 63 if (g_flags.enable_kati_warnings) \ 64 fprintf(stderr, "%s\n", StringPrintf(__VA_ARGS__).c_str()); \ 65 } while (0) 66 67 #define ERROR(...) do { \ 68 if (!g_log_no_exit) { \ 69 fprintf(stderr, "%s\n", StringPrintf(__VA_ARGS__).c_str()); \ 70 exit(1); \ 71 } \ 72 g_last_error = new string(StringPrintf(__VA_ARGS__)); \ 73 } while (0) 74 75 #define CHECK(c) if (!(c)) ERROR("%s:%d: %s", __FILE__, __LINE__, #c) 76 77 // Set of logging functions that will automatically colorize lines that have 78 // location information when --color_warnings is set. 79 void ColorWarnLog(const char* file, int line, const char *msg); 80 void ColorErrorLog(const char* file, int line, const char *msg); 81 82 #define WARN_LOC(loc, ...) do { \ 83 ColorWarnLog(LOCF(loc), StringPrintf(__VA_ARGS__).c_str()); \ 84 } while (0) 85 86 #define KATI_WARN_LOC(loc, ...) do { \ 87 if (g_flags.enable_kati_warnings) \ 88 ColorWarnLog(LOCF(loc), StringPrintf(__VA_ARGS__).c_str()); \ 89 } while(0) 90 91 #define ERROR_LOC(loc, ...) do { \ 92 ColorErrorLog(LOCF(loc), StringPrintf(__VA_ARGS__).c_str()); \ 93 } while (0) 94 95 #endif // LOG_H_ 96
