mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-10 07:34:04 -08:00
384 lines
6.4 KiB
Go
384 lines
6.4 KiB
Go
// CAUTION: Generated file - DO NOT EDIT.
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package textparse
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import (
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"fmt"
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"math"
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"strconv"
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)
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// Lex is called by the parser generated by "go tool yacc" to obtain each
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// token. The method is opened before the matching rules block and closed at
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// the end of the file.
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func (l *lexer) Lex() int {
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const (
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lstateInit = iota
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lstateValue
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lstateLabels
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lstateLName
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lstateLValue
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)
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s := lstateInit
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if l.i >= len(l.b) {
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return eof
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}
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c := l.b[l.i]
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l.offsets = l.offsets[:0]
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yystate0:
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switch yyt := s; yyt {
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default:
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panic(fmt.Errorf(`invalid start condition %d`, yyt))
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case 0: // start condition: INITIAL
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goto yystart1
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case 1: // start condition: lstateValue
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goto yystart8
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case 2: // start condition: lstateLabels
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goto yystart14
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case 3: // start condition: lstateLName
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goto yystart18
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case 4: // start condition: lstateLValue
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goto yystart21
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}
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goto yystate0 // silence unused label error
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goto yystate1 // silence unused label error
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yystate1:
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c = l.next()
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yystart1:
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switch {
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default:
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goto yyabort
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case c == '#':
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goto yystate4
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case c == '\t' || c == '\n' || c == '\r' || c == ' ':
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goto yystate3
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case c == '\x00':
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goto yystate2
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case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
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goto yystate6
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}
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yystate2:
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c = l.next()
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goto yyrule1
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yystate3:
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c = l.next()
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switch {
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default:
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goto yyrule3
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case c == '\t' || c == '\n' || c == '\r' || c == ' ':
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goto yystate3
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}
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yystate4:
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c = l.next()
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switch {
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default:
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goto yyabort
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case c == '\n':
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goto yystate5
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case c >= '\x01' && c <= '\t' || c == '\v' || c == '\f' || c >= '\x0e' && c <= 'ÿ':
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goto yystate4
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}
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yystate5:
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c = l.next()
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goto yyrule2
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yystate6:
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c = l.next()
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switch {
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default:
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goto yyrule5
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case c == '{':
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goto yystate7
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case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
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goto yystate6
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}
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yystate7:
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c = l.next()
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goto yyrule4
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goto yystate8 // silence unused label error
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yystate8:
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c = l.next()
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yystart8:
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switch {
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default:
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goto yyabort
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case c == 'N':
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goto yystate11
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case c == '\t' || c == ' ':
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goto yystate10
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case c >= '\x01' && c <= '\b' || c == '\v' || c == '\f' || c >= '\x0e' && c <= '\x1f' || c >= '!' && c <= 'M' || c >= 'O' && c <= 'ÿ':
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goto yystate9
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}
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yystate9:
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c = l.next()
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switch {
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default:
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goto yyrule14
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case c >= '\x01' && c <= '\b' || c == '\v' || c == '\f' || c >= '\x0e' && c <= '\x1f' || c >= '!' && c <= 'ÿ':
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goto yystate9
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}
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yystate10:
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c = l.next()
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switch {
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default:
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goto yyrule12
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case c == '\t' || c == ' ':
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goto yystate10
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}
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yystate11:
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c = l.next()
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switch {
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default:
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goto yyrule14
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case c == 'a':
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goto yystate12
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case c >= '\x01' && c <= '\b' || c == '\v' || c == '\f' || c >= '\x0e' && c <= '\x1f' || c >= '!' && c <= '`' || c >= 'b' && c <= 'ÿ':
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goto yystate9
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}
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yystate12:
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c = l.next()
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switch {
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default:
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goto yyrule14
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case c == 'N':
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goto yystate13
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case c >= '\x01' && c <= '\b' || c == '\v' || c == '\f' || c >= '\x0e' && c <= '\x1f' || c >= '!' && c <= 'M' || c >= 'O' && c <= 'ÿ':
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goto yystate9
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}
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yystate13:
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c = l.next()
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switch {
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default:
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goto yyrule13
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case c >= '\x01' && c <= '\b' || c == '\v' || c == '\f' || c >= '\x0e' && c <= '\x1f' || c >= '!' && c <= 'ÿ':
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goto yystate9
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}
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goto yystate14 // silence unused label error
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yystate14:
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c = l.next()
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yystart14:
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switch {
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default:
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goto yyrule8
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case c == ',':
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goto yystate16
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case c == '\t' || c == ' ':
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goto yystate15
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case c == '}':
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goto yystate17
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}
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yystate15:
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c = l.next()
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switch {
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default:
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goto yyrule6
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case c == '\t' || c == ' ':
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goto yystate15
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}
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yystate16:
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c = l.next()
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goto yyrule8
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yystate17:
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c = l.next()
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goto yyrule7
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goto yystate18 // silence unused label error
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yystate18:
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c = l.next()
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yystart18:
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switch {
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default:
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goto yyabort
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case c == ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
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goto yystate19
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}
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yystate19:
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c = l.next()
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switch {
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default:
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goto yyabort
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case c == '=':
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goto yystate20
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case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
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goto yystate19
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}
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yystate20:
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c = l.next()
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goto yyrule9
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goto yystate21 // silence unused label error
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yystate21:
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c = l.next()
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yystart21:
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switch {
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default:
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goto yyabort
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case c == '"':
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goto yystate22
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case c == '\'':
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goto yystate25
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}
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yystate22:
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c = l.next()
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switch {
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default:
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goto yyabort
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case c == '"':
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goto yystate23
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case c == '\\':
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goto yystate24
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case c >= '\x01' && c <= '!' || c >= '#' && c <= '[' || c >= ']' && c <= 'ÿ':
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goto yystate22
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}
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yystate23:
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c = l.next()
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goto yyrule10
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yystate24:
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c = l.next()
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switch {
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default:
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goto yyabort
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case c >= '\x01' && c <= '\t' || c >= '\v' && c <= 'ÿ':
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goto yystate22
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}
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yystate25:
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c = l.next()
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switch {
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default:
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goto yyabort
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case c == '\'':
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goto yystate26
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case c == '\\':
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goto yystate27
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case c >= '\x01' && c <= '&' || c >= '(' && c <= '[' || c >= ']' && c <= 'ÿ':
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goto yystate25
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}
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yystate26:
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c = l.next()
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goto yyrule11
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yystate27:
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c = l.next()
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switch {
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default:
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goto yyabort
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case c >= '\x01' && c <= '\t' || c >= '\v' && c <= 'ÿ':
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goto yystate25
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}
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yyrule1: // \0
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{
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return 0
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}
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yyrule2: // #[^\r\n]*\n
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{
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l.mstart = l.i
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goto yystate0
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}
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yyrule3: // [\r\n \t]+
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{
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l.mstart = l.i
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goto yystate0
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}
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yyrule4: // {L}({L}|{D})*\{
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{
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s = lstateLabels
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l.offsets = append(l.offsets, l.i-1)
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goto yystate0
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}
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yyrule5: // {L}({L}|{D})*
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{
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s = lstateValue
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l.mend = l.i
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l.offsets = append(l.offsets, l.i)
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goto yystate0
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}
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yyrule6: // [ \t]+
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goto yystate0
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yyrule7: // \}
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{
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s = lstateValue
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l.mend = l.i
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goto yystate0
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}
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yyrule8: // ,?
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{
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s = lstateLName
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l.offsets = append(l.offsets, l.i)
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goto yystate0
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}
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yyrule9: // {M}({M}|{D})*=
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{
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s = lstateLValue
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l.offsets = append(l.offsets, l.i-1)
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goto yystate0
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}
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yyrule10: // \"(\\.|[^\\"])*\"
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{
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s = lstateLabels
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l.offsets = append(l.offsets, l.i-1)
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goto yystate0
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}
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yyrule11: // \'(\\.|[^\\'])*\'
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{
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s = lstateLabels
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l.offsets = append(l.offsets, l.i-1)
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goto yystate0
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}
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yyrule12: // [ \t]+
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{
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l.vstart = l.i
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goto yystate0
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}
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yyrule13: // (NaN)
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{
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l.val = math.NaN()
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return 1
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}
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yyrule14: // [^\n \t\r]+
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{
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// We don't parse strictly correct floats as the conversion
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// repeats the effort anyway.
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l.val, l.err = strconv.ParseFloat(yoloString(l.b[l.vstart:l.i]), 64)
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if l.err != nil {
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return -1
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}
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return 1
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}
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panic("unreachable")
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goto yyabort // silence unused label error
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yyabort: // no lexem recognized
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return -1
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}
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