diff options
Diffstat (limited to 'vendor/gopkg.in/sourcemap.v1/consumer.go')
| -rw-r--r-- | vendor/gopkg.in/sourcemap.v1/consumer.go | 202 |
1 files changed, 12 insertions, 190 deletions
diff --git a/vendor/gopkg.in/sourcemap.v1/consumer.go b/vendor/gopkg.in/sourcemap.v1/consumer.go index b66761a6c..3bed06a2a 100644 --- a/vendor/gopkg.in/sourcemap.v1/consumer.go +++ b/vendor/gopkg.in/sourcemap.v1/consumer.go @@ -1,17 +1,12 @@ -package sourcemap // import "gopkg.in/sourcemap.v1" +package sourcemap import ( "encoding/json" - "errors" "fmt" - "io" "net/url" "path" "sort" "strconv" - "strings" - - "gopkg.in/sourcemap.v1/base64vlq" ) type Consumer struct { @@ -28,7 +23,10 @@ func Parse(mapURL string, b []byte) (*Consumer, error) { } if smap.Version != 3 { - return nil, errors.New("sourcemap: only 3rd version is supported") + return nil, fmt.Errorf( + "sourcemap: got version=%d, but only 3rd version is supported", + smap.Version, + ) } var sourceRootURL *url.URL @@ -86,7 +84,10 @@ func (c *Consumer) Source(genLine, genCol int) (source, name string, line, col i match := &c.mappings[i] // Fuzzy match. - if match.genCol > genCol && i > 0 { + if match.genLine > genLine || match.genCol > genCol { + if i == 0 { + return + } match = &c.mappings[i-1] } @@ -94,14 +95,14 @@ func (c *Consumer) Source(genLine, genCol int) (source, name string, line, col i source = c.absSource(c.smap.Sources[match.sourcesInd]) } if match.namesInd >= 0 { - iv := c.smap.Names[match.namesInd] - switch v := iv.(type) { + v := c.smap.Names[match.namesInd] + switch v := v.(type) { case string: name = v case float64: name = strconv.FormatFloat(v, 'f', -1, 64) default: - name = fmt.Sprint(iv) + name = fmt.Sprint(v) } } line = match.sourceLine @@ -131,182 +132,3 @@ func (c *Consumer) absSource(source string) string { return source } - -func (c *Consumer) SourceName(genLine, genCol int, genName string) (name string, ok bool) { - ind := sort.Search(len(c.mappings), func(i int) bool { - m := c.mappings[i] - if m.genLine == genLine { - return m.genCol >= genCol - } - return m.genLine >= genLine - }) - - // Mapping not found. - if ind == len(c.mappings) { - return "", false - } - - for i := ind; i >= 0; i-- { - m := c.mappings[i] - if m.namesInd == -1 { - continue - } - if c.smap.Names[m.namesInd] == "" { - - } - } - - return -} - -type fn func() (fn, error) - -type sourceMap struct { - Version int `json:"version"` - File string `json:"file"` - SourceRoot string `json:"sourceRoot"` - Sources []string `json:"sources"` - Names []interface{} `json:"names"` - Mappings string `json:"mappings"` -} - -type mapping struct { - genLine int - genCol int - sourcesInd int - sourceLine int - sourceCol int - namesInd int -} - -type mappings struct { - rd *strings.Reader - dec *base64vlq.Decoder - - genLine int - genCol int - sourcesInd int - sourceLine int - sourceCol int - namesInd int - - value mapping - values []mapping -} - -func parseMappings(s string) ([]mapping, error) { - rd := strings.NewReader(s) - m := &mappings{ - rd: rd, - dec: base64vlq.NewDecoder(rd), - - genLine: 1, - sourceLine: 1, - } - m.zeroValue() - err := m.parse() - if err != nil { - return nil, err - } - return m.values, nil -} - -func (m *mappings) parse() error { - next := m.parseGenCol - for { - c, err := m.rd.ReadByte() - if err == io.EOF { - m.pushValue() - return nil - } else if err != nil { - return err - } - - switch c { - case ',': - m.pushValue() - next = m.parseGenCol - case ';': - m.pushValue() - - m.genLine++ - m.genCol = 0 - - next = m.parseGenCol - default: - m.rd.UnreadByte() - - var err error - next, err = next() - if err != nil { - return err - } - } - } -} - -func (m *mappings) parseGenCol() (fn, error) { - n, err := m.dec.Decode() - if err != nil { - return nil, err - } - m.genCol += n - m.value.genCol = m.genCol - return m.parseSourcesInd, nil -} - -func (m *mappings) parseSourcesInd() (fn, error) { - n, err := m.dec.Decode() - if err != nil { - return nil, err - } - m.sourcesInd += n - m.value.sourcesInd = m.sourcesInd - return m.parseSourceLine, nil -} - -func (m *mappings) parseSourceLine() (fn, error) { - n, err := m.dec.Decode() - if err != nil { - return nil, err - } - m.sourceLine += n - m.value.sourceLine = m.sourceLine - return m.parseSourceCol, nil -} - -func (m *mappings) parseSourceCol() (fn, error) { - n, err := m.dec.Decode() - if err != nil { - return nil, err - } - m.sourceCol += n - m.value.sourceCol = m.sourceCol - return m.parseNamesInd, nil -} - -func (m *mappings) parseNamesInd() (fn, error) { - n, err := m.dec.Decode() - if err != nil { - return nil, err - } - m.namesInd += n - m.value.namesInd = m.namesInd - return m.parseGenCol, nil -} - -func (m *mappings) zeroValue() { - m.value = mapping{ - genLine: m.genLine, - genCol: 0, - sourcesInd: -1, - sourceLine: 0, - sourceCol: 0, - namesInd: -1, - } -} - -func (m *mappings) pushValue() { - m.values = append(m.values, m.value) - m.zeroValue() -} |