| // Copyright 2015 go-swagger maintainers |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package analysis |
| |
| import ( |
| "fmt" |
| "log" |
| "os" |
| "path/filepath" |
| "runtime" |
| ) |
| |
| var ( |
| // Debug is true when the SWAGGER_DEBUG env var is not empty. |
| // It enables a more verbose logging of the spec analyzer. |
| Debug = os.Getenv("SWAGGER_DEBUG") != "" |
| // analysisLogger is a debug logger for this package |
| analysisLogger *log.Logger |
| ) |
| |
| func init() { |
| debugOptions() |
| } |
| |
| func debugOptions() { |
| analysisLogger = log.New(os.Stdout, "analysis:", log.LstdFlags) |
| } |
| |
| func debugLog(msg string, args ...interface{}) { |
| // A private, trivial trace logger, based on go-openapi/spec/expander.go:debugLog() |
| if Debug { |
| _, file1, pos1, _ := runtime.Caller(1) |
| analysisLogger.Printf("%s:%d: %s", filepath.Base(file1), pos1, fmt.Sprintf(msg, args...)) |
| } |
| } |