// printSource prints an annotated source listing, include all // functions with samples that match the regexp rpt.options.symbol. // The sources are sorted by function name and then by filename to // eliminate potential nondeterminism. func printSource(w io.Writer, rpt *Report) error { … } type sourcePrinter … type addrInfo … type instructionInfo … type sourceFile … type sourceInst … type sourceFunction … type addressRange … type WebListData … type WebListFile … type WebListFunc … type WebListLine … type WebListInstruction … type WebListCall … // MakeWebList returns an annotated source listing of rpt. // rpt.prof should contain inlined call info. func MakeWebList(rpt *Report, obj plugin.ObjTool, maxFiles int) (WebListData, error) { … } func newSourcePrinter(rpt *Report, obj plugin.ObjTool, sourcePath string) *sourcePrinter { … } func (sp *sourcePrinter) close() { … } func (sp *sourcePrinter) expandAddresses(rpt *Report, addrs map[uint64]addrInfo, flat map[uint64]int64) { … } func (sp *sourcePrinter) addStack(addr uint64, frames []plugin.Frame) { … } const synthAsm … // handleUnprocessed handles addresses that were skipped by splitIntoRanges because they // did not belong to a known object file. func (sp *sourcePrinter) handleUnprocessed(addrs map[uint64]addrInfo, unprocessed []uint64) { … } // splitIntoRanges converts the set of addresses we are interested in into a set of address // ranges to disassemble. It also returns the set of addresses found that did not have an // associated object file and were therefore not added to an address range. func (sp *sourcePrinter) splitIntoRanges(prof *profile.Profile, addrMap map[uint64]addrInfo, flat map[uint64]int64) ([]addressRange, []uint64) { … } func (sp *sourcePrinter) initSamples(flat, cum map[uint64]int64) { … } func (sp *sourcePrinter) generate(maxFiles int, rpt *Report) WebListData { … } func (sp *sourcePrinter) generateFile(f *sourceFile, rpt *Report) WebListFile { … } // functions splits apart the lines to show in a file into a list of per-function ranges. func (sp *sourcePrinter) functions(f *sourceFile) []sourceFunction { … } // objectFile return the object for the specified mapping, opening it if necessary. // It returns nil on error. func (sp *sourcePrinter) objectFile(m *profile.Mapping) plugin.ObjFile { … } // makeWebListLine returns the contents of a single line in a web listing. This includes // the source line and the corresponding assembly. func makeWebListLine(lineNo int, flat, cum int64, lineContents string, assembly []assemblyInstruction, reader *sourceReader, rpt *Report) WebListLine { … } func makeWebListInstructions(srcIndent int, assembly []assemblyInstruction, reader *sourceReader, rpt *Report) []WebListInstruction { … } // getSourceFromFile collects the sources of a function from a source // file and annotates it with the samples in fns. Returns the sources // as nodes, using the info.name field to hold the source code. func getSourceFromFile(file string, reader *sourceReader, fns graph.Nodes, start, end int) (graph.Nodes, string, error) { … } type sourceReader … func newSourceReader(searchPath, trimPath string) *sourceReader { … } func (reader *sourceReader) fileError(path string) error { … } // line returns the line numbered "lineno" in path, or _,false if lineno is out of range. func (reader *sourceReader) line(path string, lineno int) (string, bool) { … } // openSourceFile opens a source file from a name encoded in a profile. File // names in a profile after can be relative paths, so search them in each of // the paths in searchPath and their parents. In case the profile contains // absolute paths, additional paths may be configured to trim from the source // paths in the profile. This effectively turns the path into a relative path // searching it using searchPath as usual). func openSourceFile(path, searchPath, trim string) (*os.File, error) { … } // trimPath cleans up a path by removing prefixes that are commonly // found on profiles plus configured prefixes. // TODO(aalexand): Consider optimizing out the redundant work done in this // function if it proves to matter. func trimPath(path, trimPath, searchPath string) string { … } func indentation(line string) int { … } // rightPad pads the input with spaces on the right-hand-side to make it have // at least width n. It treats tabs as enough spaces that lead to the next // 8-aligned tab-stop. func rightPad(s string, n int) string { … } func canonicalizeFileName(fname string) string { … }
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