mirror of
https://github.com/alecthomas/chroma.git
synced 2025-03-21 21:17:50 +02:00
Fix a few bugs including sub-lexers adding additional newlines when
EnsureNL is true.
This commit is contained in:
Alec Thomas
parent
2a1e1a1bf4
commit
5da831672d
@ -17,6 +17,20 @@ var c = chroma.MustParseColour
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var ttyTables = map[int]*ttyTable{
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8: {
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foreground: map[chroma.Colour]string{
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c("#000000"): "\033[30m", c("#7f0000"): "\033[31m", c("#007f00"): "\033[32m", c("#7f7fe0"): "\033[33m",
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c("#00007f"): "\033[34m", c("#7f007f"): "\033[35m", c("#007f7f"): "\033[36m", c("#e5e5e5"): "\033[37m",
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c("#555555"): "\033[1m\033[30m", c("#ff0000"): "\033[1m\033[31m", c("#00ff00"): "\033[1m\033[32m", c("#ffff00"): "\033[1m\033[33m",
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c("#0000ff"): "\033[1m\033[34m", c("#ff00ff"): "\033[1m\033[35m", c("#00ffff"): "\033[1m\033[36m", c("#ffffff"): "\033[1m\033[37m",
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},
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background: map[chroma.Colour]string{
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c("#000000"): "\033[40m", c("#7f0000"): "\033[41m", c("#007f00"): "\033[42m", c("#7f7fe0"): "\033[43m",
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c("#00007f"): "\033[44m", c("#7f007f"): "\033[45m", c("#007f7f"): "\033[46m", c("#e5e5e5"): "\033[47m",
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c("#555555"): "\033[1m\033[40m", c("#ff0000"): "\033[1m\033[41m", c("#00ff00"): "\033[1m\033[42m", c("#ffff00"): "\033[1m\033[43m",
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c("#0000ff"): "\033[1m\033[44m", c("#ff00ff"): "\033[1m\033[45m", c("#00ffff"): "\033[1m\033[46m", c("#ffffff"): "\033[1m\033[47m",
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},
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},
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16: {
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foreground: map[chroma.Colour]string{
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c("#000000"): "\033[30m", c("#7f0000"): "\033[31m", c("#007f00"): "\033[32m", c("#7f7fe0"): "\033[33m",
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c("#00007f"): "\033[34m", c("#7f007f"): "\033[35m", c("#007f7f"): "\033[36m", c("#e5e5e5"): "\033[37m",
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@ -227,15 +241,11 @@ type indexedTTYFormatter struct {
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func (c *indexedTTYFormatter) Format(w io.Writer, style *chroma.Style, it chroma.Iterator) (err error) {
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theme := styleToEscapeSequence(c.table, style)
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for token := it(); token != chroma.EOF; token = it() {
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// TODO: Cache token lookups?
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clr, ok := theme[token.Type]
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if !ok {
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clr, ok = theme[token.Type.SubCategory()]
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if !ok {
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clr = theme[token.Type.Category()]
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// if !ok {
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// clr = theme[chroma.InheritStyle]
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// }
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}
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}
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if clr != "" {
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@ -249,10 +259,22 @@ func (c *indexedTTYFormatter) Format(w io.Writer, style *chroma.Style, it chroma
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return nil
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}
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// TTY is an 8-colour terminal formatter.
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//
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// The Lab colour space is used to map RGB values to the most appropriate index colour.
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var TTY = Register("terminal", &indexedTTYFormatter{ttyTables[8]})
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// TTY8 is an 8-colour terminal formatter.
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//
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// The Lab colour space is used to map RGB values to the most appropriate index colour.
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var TTY8 = Register("terminal", &indexedTTYFormatter{ttyTables[8]})
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var TTY8 = Register("terminal8", &indexedTTYFormatter{ttyTables[8]})
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// TTY16 is a 16-colour terminal formatter.
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//
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// It uses \033[3xm for normal colours and \033[90Xm for bright colours.
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//
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// The Lab colour space is used to map RGB values to the most appropriate index colour.
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var TTY16 = Register("terminal16", &indexedTTYFormatter{ttyTables[16]})
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// TTY256 is a 256-colour terminal formatter.
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//
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@ -4,7 +4,7 @@ import "strings"
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// An Iterator across tokens.
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//
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// nil will be returned at the end of the Token stream.
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// EOF will be returned at the end of the Token stream.
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//
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// If an error occurs within an Iterator, it may propagate this in a panic. Formatters should recover.
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type Iterator func() Token
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3
lexers/testdata/arduino.expected
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3
lexers/testdata/arduino.expected
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@ -541,6 +541,5 @@
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{"type":"Text","value":" \n "},
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{"type":"Punctuation","value":"}"},
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{"type":"Text","value":"\n"},
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{"type":"Punctuation","value":"}"},
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{"type":"Text","value":"\n"}
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{"type":"Punctuation","value":"}"}
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]
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6
lexers/testdata/promql.expected
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6
lexers/testdata/promql.expected
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@ -15,7 +15,6 @@
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{"type":"LiteralString","value":"alertmanager"},
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{"type":"Punctuation","value":"\"}"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"# Aggregation operators"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"sum"},
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@ -47,7 +46,6 @@
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"1024"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"# Metric with multiple lables and whitespaces"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"NameVariable","value":"go_gc_duration_seconds"},
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@ -67,7 +65,6 @@
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"# Expression and comment"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"NameVariable","value":"go_gc_duration_seconds"},
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@ -80,7 +77,6 @@
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{"type":"TextWhitespace","value":" "},
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{"type":"CommentSingle","value":"# single comment"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"# Delta function"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"KeywordReserved","value":"delta"},
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@ -96,7 +92,6 @@
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{"type":"Punctuation","value":"]"},
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{"type":"Operator","value":")"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"# Sum with arguments"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"sum"},
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@ -114,7 +109,6 @@
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{"type":"NameVariable","value":"instance_memory_usage_bytes"},
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{"type":"Operator","value":")"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"# Multi-line with offset"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"KeywordReserved","value":"label_replace"},
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34
lexers/testdata/stylus.expected
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34
lexers/testdata/stylus.expected
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@ -1,19 +1,19 @@
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[
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{"type":"NameVariable", "value":"$white"},
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{"type":"Text", "value":" "},
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{"type":"Operator", "value":"?="},
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{"type":"Text", "value":" "},
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{"type":"LiteralNumberHex", "value":"#fff"},
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{"type":"Text", "value":"\n"},
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{"type":"NameVariable","value":"$white"},
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{"type":"Text","value":" "},
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{"type":"Operator","value":"?="},
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{"type":"Text","value":" "},
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{"type":"LiteralNumberHex","value":"#fff"},
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{"type":"Text","value":"\n"},
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{"type":"NameTag","value":"body"},
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{"type":"Text", "value":" "},
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{"type":"Punctuation", "value":"{"},
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{"type":"Text", "value":"\n "},
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{"type":"NameProperty", "value":"color"},
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{"type":"Punctuation", "value":":"},
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{"type":"Text", "value":" "},
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{"type":"NameVariable", "value":"$white"},
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{"type":"Punctuation", "value":";"},
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{"type":"Text", "value":"\n"},
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{"type":"Punctuation", "value":"}"}
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]
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{"type":"Text","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"Text","value":"\n "},
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{"type":"NameProperty","value":"color"},
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{"type":"Punctuation","value":":"},
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{"type":"Text","value":" "},
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{"type":"NameVariable","value":"$white"},
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{"type":"Punctuation","value":";"},
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{"type":"Text","value":"\n"},
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{"type":"Punctuation","value":"}"}
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]
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3
lexers/testdata/tsx.expected
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3
lexers/testdata/tsx.expected
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@ -60,6 +60,5 @@
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{"type":"LiteralStringSingle","value":"'root'"},
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{"type":"Punctuation","value":"),"},
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{"type":"Text","value":"\n"},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":"\n"}
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{"type":"Punctuation","value":")"}
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]
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10
regexp.go
10
regexp.go
@ -264,6 +264,7 @@ type LexerState struct {
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MutatorContext map[interface{}]interface{}
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iteratorStack []Iterator
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options *TokeniseOptions
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newlineAdded bool
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}
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// Set mutator context.
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@ -278,7 +279,11 @@ func (l *LexerState) Get(key interface{}) interface{} {
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// Iterator returns the next Token from the lexer.
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func (l *LexerState) Iterator() Token { // nolint: gocognit
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for l.Pos < len(l.Text) && len(l.Stack) > 0 {
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end := len(l.Text)
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if l.newlineAdded {
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end--
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}
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for l.Pos < end && len(l.Stack) > 0 {
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// Exhaust the iterator stack, if any.
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for len(l.iteratorStack) > 0 {
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n := len(l.iteratorStack) - 1
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@ -432,10 +437,13 @@ func (r *RegexLexer) Tokenise(options *TokeniseOptions, text string) (Iterator,
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if options.EnsureLF {
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text = ensureLF(text)
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}
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newlineAdded := false
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if !options.Nested && r.config.EnsureNL && !strings.HasSuffix(text, "\n") {
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text += "\n"
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newlineAdded = true
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}
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state := &LexerState{
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newlineAdded: newlineAdded,
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options: options,
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Lexer: r,
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Text: []rune(text),
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