Imports #
"bufio"
"encoding/binary"
"fmt"
"internal/coverage"
"internal/coverage/slicewriter"
"internal/coverage/stringtab"
"internal/coverage/uleb128"
"io"
"maps"
"os"
"slices"
encodecounter
Imports
Type Aliases
CounterVisitorFn type #
CounterVisitorFn describes a callback function invoked when writing coverage counter data.
type CounterVisitorFn func(pkid uint32, funcid uint32, counters []uint32) errorInterfaces
CounterVisitor interface #
CounterVisitor describes a helper object used during counter file writing; when writing counter data files, clients pass a CounterVisitor to the write/emit routines, then the expectation is that the VisitFuncs method will then invoke the callback "f" with data for each function to emit to the file.
type CounterVisitor interface {
VisitFuncs(f CounterVisitorFn) error
}Structs
CoverageDataWriter struct #
type CoverageDataWriter struct {
stab *stringtab.Writer
w *bufio.Writer
csh coverage.CounterSegmentHeader
tmp []byte
cflavor coverage.CounterFlavor
segs uint32
debug bool
}Functions
AppendSegment method #
AppendSegment appends a new segment to a counter data, with a new args section followed by a payload of counter data clauses.
func (cfw *CoverageDataWriter) AppendSegment(args map[string]string, visitor CounterVisitor) errorNewCoverageDataWriter function #
func NewCoverageDataWriter(w io.Writer, flav coverage.CounterFlavor) *CoverageDataWriterWrite method #
Write writes the contents of the count-data file to the writer previously supplied to NewCoverageDataWriter. Returns an error if something went wrong somewhere with the write.
func (cfw *CoverageDataWriter) Write(metaFileHash [16]byte, args map[string]string, visitor CounterVisitor) errorpadToFourByteBoundary function #
func padToFourByteBoundary(ws *slicewriter.WriteSeeker) errorpatchSegmentHeader method #
func (cfw *CoverageDataWriter) patchSegmentHeader(ws *slicewriter.WriteSeeker) errorwriteBytes method #
func (cfw *CoverageDataWriter) writeBytes(b []byte) errorwriteCounters method #
func (cfw *CoverageDataWriter) writeCounters(visitor CounterVisitor, ws *slicewriter.WriteSeeker) errorwriteFooter method #
func (cfw *CoverageDataWriter) writeFooter() errorwriteHeader method #
func (cfw *CoverageDataWriter) writeHeader(metaFileHash [16]byte) errorwriteSegmentPreamble method #
func (cfw *CoverageDataWriter) writeSegmentPreamble(args map[string]string, ws *slicewriter.WriteSeeker) errorGenerated with Arrow