| ... | @@ -145,30 +145,43 @@ fn log( | ... | @@ -145,30 +145,43 @@ fn log( |
| 145 | if (@typeInfo(@TypeOf(root.log)) != .Fn) | 145 | if (@typeInfo(@TypeOf(root.log)) != .Fn) |
| 146 | @compileError("Expected root.log to be a function"); | 146 | @compileError("Expected root.log to be a function"); |
| 147 | root.log(message_level, scope, format, args); | 147 | root.log(message_level, scope, format, args); |
| 148 | } else if (std.Target.current.os.tag == .freestanding) { | | |
| 149 | // On freestanding one must provide a log function; we do not have | | |
| 150 | // any I/O configured. | | |
| 151 | return; | | |
| 152 | } else { | 148 | } else { |
| 153 | const level_txt = switch (message_level) { | 149 | defaultLog(message_level, scope, format, args); |
| 154 | .emerg => "emergency", | | |
| 155 | .alert => "alert", | | |
| 156 | .crit => "critical", | | |
| 157 | .err => "error", | | |
| 158 | .warn => "warning", | | |
| 159 | .notice => "notice", | | |
| 160 | .info => "info", | | |
| 161 | .debug => "debug", | | |
| 162 | }; | | |
| 163 | const prefix2 = if (scope == .default) ": " else "(" ++ @tagName(scope) ++ "): "; | | |
| 164 | const stderr = std.io.getStdErr().writer(); | | |
| 165 | const held = std.debug.getStderrMutex().acquire(); | | |
| 166 | defer held.release(); | | |
| 167 | nosuspend stderr.print(level_txt ++ prefix2 ++ format ++ "\n", args) catch return; | | |
| 168 | } | 150 | } |
| 169 | } | 151 | } |
| 170 | } | 152 | } |
| 171 | | 153 | |
| | 154 | /// The default implementation for root.log. root.log may forward log messages |
| | 155 | /// to this function. |
| | 156 | pub fn defaultLog( |
| | 157 | comptime message_level: Level, |
| | 158 | comptime scope: @Type(.EnumLiteral), |
| | 159 | comptime format: []const u8, |
| | 160 | args: anytype, |
| | 161 | ) void { |
| | 162 | if (std.Target.current.os.tag == .freestanding) { |
| | 163 | // On freestanding one must provide a log function; we do not have |
| | 164 | // any I/O configured. |
| | 165 | return; |
| | 166 | } |
| | 167 | |
| | 168 | const level_txt = switch (message_level) { |
| | 169 | .emerg => "emergency", |
| | 170 | .alert => "alert", |
| | 171 | .crit => "critical", |
| | 172 | .err => "error", |
| | 173 | .warn => "warning", |
| | 174 | .notice => "notice", |
| | 175 | .info => "info", |
| | 176 | .debug => "debug", |
| | 177 | }; |
| | 178 | const prefix2 = if (scope == .default) ": " else "(" ++ @tagName(scope) ++ "): "; |
| | 179 | const stderr = std.io.getStdErr().writer(); |
| | 180 | const held = std.debug.getStderrMutex().acquire(); |
| | 181 | defer held.release(); |
| | 182 | nosuspend stderr.print(level_txt ++ prefix2 ++ format ++ "\n", args) catch return; |
| | 183 | } |
| | 184 | |
| 172 | /// Returns a scoped logging namespace that logs all messages using the scope | 185 | /// Returns a scoped logging namespace that logs all messages using the scope |
| 173 | /// provided here. | 186 | /// provided here. |
| 174 | pub fn scoped(comptime scope: @Type(.EnumLiteral)) type { | 187 | pub fn scoped(comptime scope: @Type(.EnumLiteral)) type { |
Jonathan Marler <johnnymarler@gmail.com> 2021-06-24 04:11:28-06:00
lib