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prometheus/rules/lexer.l.go
Julius Volz 6dc36d0c3e Don't keep extra labels in aggregations by default. 
MIN/MAX/SUM/AVG/COUNT aggregations will now by default drop all labels that are
not specifically part of a BY-clause, even if a label value is the same within
all timeseries of an aggregation group. The old behavior of keeping extra
labels may still be switched on by adding KEEPING_EXTRA to the end of an
aggregation statement:

  sum(http_requests) by (job, method) keeping_extra

I'm open to better syntax/naming suggestions.

Change-Id: I21d3fe7af9e98552ce3dffa3ce7c0a4ba4c0b4a4
2013-12-16 12:53:10 +01:00

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/* Copyright 2013 Prometheus Team
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. */
package rules
import (
"fmt"
"strconv"
"strings"
clientmodel "github.com/prometheus/client_golang/model"
)
// Lex is called by the parser generated by "go tool yacc" to obtain each
// token. The method is opened before the matching rules block and closed at
// the end of the file.
func (lexer *RulesLexer) Lex(lval *yySymType) int {
// Internal lexer states.
const (
S_INITIAL = iota
S_COMMENTS
)
// We simulate multiple start symbols for closely-related grammars via dummy tokens. See
// http://www.gnu.org/software/bison/manual/html_node/Multiple-start_002dsymbols.html
// Reason: we want to be able to parse lists of named rules as well as single expressions.
if lexer.startToken != 0 {
startToken := lexer.startToken
lexer.startToken = 0
return startToken
}
c := lexer.current
currentState := 0
if lexer.empty {
c, lexer.empty = lexer.getChar(), false
}
yystate0:
lexer.buf = lexer.buf[:0] // The code before the first rule executed before every scan cycle (rule #0 / state 0 action)
switch yyt := currentState; yyt {
default:
panic(fmt.Errorf(`invalid start condition %d`, yyt))
case 0: // start condition: INITIAL
goto yystart1
case 1: // start condition: S_COMMENTS
goto yystart152
}
goto yystate1 // silence unused label error
yystate1:
c = lexer.getChar()
yystart1:
switch {
default:
goto yyabort
case c == '!':
goto yystate3
case c == '"':
goto yystate5
case c == '%' || c == '*':
goto yystate8
case c == '(' || c == ')' || c == ',' || c == '[' || c == ']' || c == '{' || c == '}':
goto yystate12
case c == '+':
goto yystate13
case c == '-':
goto yystate14
case c == '/':
goto yystate17
case c == ':' || c == 'E' || c == 'G' || c == 'H' || c == 'J' || c == 'L' || c == 'N' || c == 'Q' || c == 'R' || c >= 'T' && c <= 'V' || c >= 'X' && c <= 'Z' || c == '_' || c == 'e' || c == 'g' || c == 'h' || c == 'j' || c == 'l' || c == 'n' || c == 'q' || c == 'r' || c >= 't' && c <= 'v' || c >= 'x' && c <= 'z':
goto yystate23
case c == '<' || c == '>':
goto yystate24
case c == '=':
goto yystate25
case c == 'A':
goto yystate26
case c == 'B':
goto yystate35
case c == 'C':
goto yystate37
case c == 'D':
goto yystate41
case c == 'F':
goto yystate52
case c == 'I':
goto yystate55
case c == 'K':
goto yystate57
case c == 'M':
goto yystate70
case c == 'O':
goto yystate73
case c == 'P':
goto yystate74
case c == 'S':
goto yystate83
case c == 'W':
goto yystate90
case c == '\'':
goto yystate9
case c == '\t' || c == '\n' || c == '\r' || c == ' ':
goto yystate2
case c == 'a':
goto yystate94
case c == 'b':
goto yystate101
case c == 'c':
goto yystate102
case c == 'd':
goto yystate106
case c == 'f':
goto yystate116
case c == 'i':
goto yystate118
case c == 'k':
goto yystate119
case c == 'm':
goto yystate131
case c == 'o':
goto yystate134
case c == 'p':
goto yystate135
case c == 's':
goto yystate143
case c == 'w':
goto yystate149
case c >= '0' && c <= '9':
goto yystate21
}
yystate2:
c = lexer.getChar()
goto yyrule26
yystate3:
c = lexer.getChar()
switch {
default:
goto yyabort
case c == '=':
goto yystate4
}
yystate4:
c = lexer.getChar()
goto yyrule17
yystate5:
c = lexer.getChar()
switch {
default:
goto yyabort
case c == '"':
goto yystate6
case c == '\\':
goto yystate7
case c >= '\x01' && c <= '!' || c >= '#' && c <= '[' || c >= ']' && c <= 'ÿ':
goto yystate5
}
yystate6:
c = lexer.getChar()
goto yyrule23
yystate7:
c = lexer.getChar()
switch {
default:
goto yyabort
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= 'ÿ':
goto yystate5
}
yystate8:
c = lexer.getChar()
goto yyrule19
yystate9:
c = lexer.getChar()
switch {
default:
goto yyabort
case c == '\'':
goto yystate10
case c == '\\':
goto yystate11
case c >= '\x01' && c <= '&' || c >= '(' && c <= '[' || c >= ']' && c <= 'ÿ':
goto yystate9
}
yystate10:
c = lexer.getChar()
goto yyrule24
yystate11:
c = lexer.getChar()
switch {
default:
goto yyabort
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= 'ÿ':
goto yystate9
}
yystate12:
c = lexer.getChar()
goto yyrule25
yystate13:
c = lexer.getChar()
goto yyrule18
yystate14:
c = lexer.getChar()
switch {
default:
goto yyrule18
case c >= '0' && c <= '9':
goto yystate15
}
yystate15:
c = lexer.getChar()
switch {
default:
goto yyrule22
case c == '.':
goto yystate16
case c >= '0' && c <= '9':
goto yystate15
}
yystate16:
c = lexer.getChar()
switch {
default:
goto yyrule22
case c >= '0' && c <= '9':
goto yystate16
}
yystate17:
c = lexer.getChar()
switch {
default:
goto yyrule19
case c == '*':
goto yystate18
case c == '/':
goto yystate19
}
yystate18:
c = lexer.getChar()
goto yyrule1
yystate19:
c = lexer.getChar()
switch {
default:
goto yyabort
case c == '\n':
goto yystate20
case c >= '\x01' && c <= '\t' || c == '\v' || c == '\f' || c >= '\x0e' && c <= 'ÿ':
goto yystate19
}
yystate20:
c = lexer.getChar()
goto yyrule4
yystate21:
c = lexer.getChar()
switch {
default:
goto yyrule22
case c == '.':
goto yystate16
case c == 'd' || c == 'h' || c == 'm' || c == 's' || c == 'w' || c == 'y':
goto yystate22
case c >= '0' && c <= '9':
goto yystate21
}
yystate22:
c = lexer.getChar()
goto yyrule20
yystate23:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate24:
c = lexer.getChar()
switch {
default:
goto yyrule16
case c == '=':
goto yystate4
}
yystate25:
c = lexer.getChar()
switch {
default:
goto yyrule25
case c == '=':
goto yystate4
}
yystate26:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'L':
goto yystate27
case c == 'N':
goto yystate31
case c == 'V':
goto yystate33
case c >= '0' && c <= ':' || c >= 'A' && c <= 'K' || c == 'M' || c >= 'O' && c <= 'U' || c >= 'W' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate27:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'E':
goto yystate28
case c >= '0' && c <= ':' || c >= 'A' && c <= 'D' || c >= 'F' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate28:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'R':
goto yystate29
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Q' || c >= 'S' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate29:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'T':
goto yystate30
case c >= '0' && c <= ':' || c >= 'A' && c <= 'S' || c >= 'U' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate30:
c = lexer.getChar()
switch {
default:
goto yyrule5
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate31:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'D':
goto yystate32
case c >= '0' && c <= ':' || c >= 'A' && c <= 'C' || c >= 'E' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate32:
c = lexer.getChar()
switch {
default:
goto yyrule16
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate33:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'G':
goto yystate34
case c >= '0' && c <= ':' || c >= 'A' && c <= 'F' || c >= 'H' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate34:
c = lexer.getChar()
switch {
default:
goto yyrule14
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate35:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'Y':
goto yystate36
case c >= '0' && c <= ':' || c >= 'A' && c <= 'X' || c == 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate36:
c = lexer.getChar()
switch {
default:
goto yyrule12
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate37:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'O':
goto yystate38
case c >= '0' && c <= ':' || c >= 'A' && c <= 'N' || c >= 'P' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate38:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'U':
goto yystate39
case c >= '0' && c <= ':' || c >= 'A' && c <= 'T' || c >= 'V' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate39:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'N':
goto yystate40
case c >= '0' && c <= ':' || c >= 'A' && c <= 'M' || c >= 'O' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate40:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'T':
goto yystate34
case c >= '0' && c <= ':' || c >= 'A' && c <= 'S' || c >= 'U' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate41:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'E':
goto yystate42
case c >= '0' && c <= ':' || c >= 'A' && c <= 'D' || c >= 'F' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate42:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'S':
goto yystate43
case c >= '0' && c <= ':' || c >= 'A' && c <= 'R' || c >= 'T' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate43:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'C':
goto yystate44
case c >= '0' && c <= ':' || c == 'A' || c == 'B' || c >= 'D' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate44:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'R':
goto yystate45
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Q' || c >= 'S' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate45:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'I':
goto yystate46
case c >= '0' && c <= ':' || c >= 'A' && c <= 'H' || c >= 'J' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate46:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'P':
goto yystate47
case c >= '0' && c <= ':' || c >= 'A' && c <= 'O' || c >= 'Q' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate47:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'T':
goto yystate48
case c >= '0' && c <= ':' || c >= 'A' && c <= 'S' || c >= 'U' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate48:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'I':
goto yystate49
case c >= '0' && c <= ':' || c >= 'A' && c <= 'H' || c >= 'J' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate49:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'O':
goto yystate50
case c >= '0' && c <= ':' || c >= 'A' && c <= 'N' || c >= 'P' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate50:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'N':
goto yystate51
case c >= '0' && c <= ':' || c >= 'A' && c <= 'M' || c >= 'O' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate51:
c = lexer.getChar()
switch {
default:
goto yyrule10
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate52:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'O':
goto yystate53
case c >= '0' && c <= ':' || c >= 'A' && c <= 'N' || c >= 'P' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate53:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'R':
goto yystate54
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Q' || c >= 'S' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate54:
c = lexer.getChar()
switch {
default:
goto yyrule7
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate55:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'F':
goto yystate56
case c >= '0' && c <= ':' || c >= 'A' && c <= 'E' || c >= 'G' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate56:
c = lexer.getChar()
switch {
default:
goto yyrule6
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate57:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'E':
goto yystate58
case c >= '0' && c <= ':' || c >= 'A' && c <= 'D' || c >= 'F' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate58:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'E':
goto yystate59
case c >= '0' && c <= ':' || c >= 'A' && c <= 'D' || c >= 'F' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate59:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'P':
goto yystate60
case c >= '0' && c <= ':' || c >= 'A' && c <= 'O' || c >= 'Q' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate60:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'I':
goto yystate61
case c >= '0' && c <= ':' || c >= 'A' && c <= 'H' || c >= 'J' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate61:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'N':
goto yystate62
case c >= '0' && c <= ':' || c >= 'A' && c <= 'M' || c >= 'O' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate62:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'G':
goto yystate63
case c >= '0' && c <= ':' || c >= 'A' && c <= 'F' || c >= 'H' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate63:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == '_':
goto yystate64
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate64:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'E':
goto yystate65
case c >= '0' && c <= ':' || c >= 'A' && c <= 'D' || c >= 'F' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate65:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'X':
goto yystate66
case c >= '0' && c <= ':' || c >= 'A' && c <= 'W' || c == 'Y' || c == 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate66:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'T':
goto yystate67
case c >= '0' && c <= ':' || c >= 'A' && c <= 'S' || c >= 'U' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate67:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'R':
goto yystate68
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Q' || c >= 'S' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate68:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'A':
goto yystate69
case c >= '0' && c <= ':' || c >= 'B' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate69:
c = lexer.getChar()
switch {
default:
goto yyrule13
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate70:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'A':
goto yystate71
case c == 'I':
goto yystate72
case c >= '0' && c <= ':' || c >= 'B' && c <= 'H' || c >= 'J' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate71:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'X':
goto yystate34
case c >= '0' && c <= ':' || c >= 'A' && c <= 'W' || c == 'Y' || c == 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate72:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'N':
goto yystate34
case c >= '0' && c <= ':' || c >= 'A' && c <= 'M' || c >= 'O' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate73:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'R':
goto yystate32
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Q' || c >= 'S' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate74:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'E':
goto yystate75
case c >= '0' && c <= ':' || c >= 'A' && c <= 'D' || c >= 'F' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate75:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'R':
goto yystate76
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Q' || c >= 'S' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate76:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'M':
goto yystate77
case c >= '0' && c <= ':' || c >= 'A' && c <= 'L' || c >= 'N' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate77:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'A':
goto yystate78
case c >= '0' && c <= ':' || c >= 'B' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate78:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'N':
goto yystate79
case c >= '0' && c <= ':' || c >= 'A' && c <= 'M' || c >= 'O' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate79:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'E':
goto yystate80
case c >= '0' && c <= ':' || c >= 'A' && c <= 'D' || c >= 'F' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate80:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'N':
goto yystate81
case c >= '0' && c <= ':' || c >= 'A' && c <= 'M' || c >= 'O' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate81:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'T':
goto yystate82
case c >= '0' && c <= ':' || c >= 'A' && c <= 'S' || c >= 'U' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate82:
c = lexer.getChar()
switch {
default:
goto yyrule11
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate83:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'U':
goto yystate84
case c >= '0' && c <= ':' || c >= 'A' && c <= 'T' || c >= 'V' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate84:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'M':
goto yystate85
case c >= '0' && c <= ':' || c >= 'A' && c <= 'L' || c >= 'N' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate85:
c = lexer.getChar()
switch {
default:
goto yyrule14
case c == 'M':
goto yystate86
case c >= '0' && c <= ':' || c >= 'A' && c <= 'L' || c >= 'N' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate86:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'A':
goto yystate87
case c >= '0' && c <= ':' || c >= 'B' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate87:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'R':
goto yystate88
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Q' || c >= 'S' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate88:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'Y':
goto yystate89
case c >= '0' && c <= ':' || c >= 'A' && c <= 'X' || c == 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate89:
c = lexer.getChar()
switch {
default:
goto yyrule9
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate90:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'I':
goto yystate91
case c >= '0' && c <= ':' || c >= 'A' && c <= 'H' || c >= 'J' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate91:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'T':
goto yystate92
case c >= '0' && c <= ':' || c >= 'A' && c <= 'S' || c >= 'U' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate92:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'H':
goto yystate93
case c >= '0' && c <= ':' || c >= 'A' && c <= 'G' || c >= 'I' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate93:
c = lexer.getChar()
switch {
default:
goto yyrule8
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate94:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'l':
goto yystate95
case c == 'n':
goto yystate98
case c == 'v':
goto yystate99
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'k' || c == 'm' || c >= 'o' && c <= 'u' || c >= 'w' && c <= 'z':
goto yystate23
}
yystate95:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'e':
goto yystate96
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'd' || c >= 'f' && c <= 'z':
goto yystate23
}
yystate96:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'r':
goto yystate97
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'q' || c >= 's' && c <= 'z':
goto yystate23
}
yystate97:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 't':
goto yystate30
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 's' || c >= 'u' && c <= 'z':
goto yystate23
}
yystate98:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'd':
goto yystate32
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'c' || c >= 'e' && c <= 'z':
goto yystate23
}
yystate99:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'g':
goto yystate100
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'f' || c >= 'h' && c <= 'z':
goto yystate23
}
yystate100:
c = lexer.getChar()
switch {
default:
goto yyrule15
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate101:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'y':
goto yystate36
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'x' || c == 'z':
goto yystate23
}
yystate102:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'o':
goto yystate103
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'n' || c >= 'p' && c <= 'z':
goto yystate23
}
yystate103:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'u':
goto yystate104
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 't' || c >= 'v' && c <= 'z':
goto yystate23
}
yystate104:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'n':
goto yystate105
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'm' || c >= 'o' && c <= 'z':
goto yystate23
}
yystate105:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 't':
goto yystate100
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 's' || c >= 'u' && c <= 'z':
goto yystate23
}
yystate106:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'e':
goto yystate107
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'd' || c >= 'f' && c <= 'z':
goto yystate23
}
yystate107:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 's':
goto yystate108
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'r' || c >= 't' && c <= 'z':
goto yystate23
}
yystate108:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'c':
goto yystate109
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c == 'a' || c == 'b' || c >= 'd' && c <= 'z':
goto yystate23
}
yystate109:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'r':
goto yystate110
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'q' || c >= 's' && c <= 'z':
goto yystate23
}
yystate110:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'i':
goto yystate111
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'h' || c >= 'j' && c <= 'z':
goto yystate23
}
yystate111:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'p':
goto yystate112
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'o' || c >= 'q' && c <= 'z':
goto yystate23
}
yystate112:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 't':
goto yystate113
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 's' || c >= 'u' && c <= 'z':
goto yystate23
}
yystate113:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'i':
goto yystate114
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'h' || c >= 'j' && c <= 'z':
goto yystate23
}
yystate114:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'o':
goto yystate115
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'n' || c >= 'p' && c <= 'z':
goto yystate23
}
yystate115:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'n':
goto yystate51
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'm' || c >= 'o' && c <= 'z':
goto yystate23
}
yystate116:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'o':
goto yystate117
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'n' || c >= 'p' && c <= 'z':
goto yystate23
}
yystate117:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'r':
goto yystate54
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'q' || c >= 's' && c <= 'z':
goto yystate23
}
yystate118:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'f':
goto yystate56
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'e' || c >= 'g' && c <= 'z':
goto yystate23
}
yystate119:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'e':
goto yystate120
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'd' || c >= 'f' && c <= 'z':
goto yystate23
}
yystate120:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'e':
goto yystate121
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'd' || c >= 'f' && c <= 'z':
goto yystate23
}
yystate121:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'p':
goto yystate122
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'o' || c >= 'q' && c <= 'z':
goto yystate23
}
yystate122:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'i':
goto yystate123
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'h' || c >= 'j' && c <= 'z':
goto yystate23
}
yystate123:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'n':
goto yystate124
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'm' || c >= 'o' && c <= 'z':
goto yystate23
}
yystate124:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'g':
goto yystate125
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'f' || c >= 'h' && c <= 'z':
goto yystate23
}
yystate125:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == '_':
goto yystate126
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z':
goto yystate23
}
yystate126:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'e':
goto yystate127
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'd' || c >= 'f' && c <= 'z':
goto yystate23
}
yystate127:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'x':
goto yystate128
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'w' || c == 'y' || c == 'z':
goto yystate23
}
yystate128:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 't':
goto yystate129
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 's' || c >= 'u' && c <= 'z':
goto yystate23
}
yystate129:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'r':
goto yystate130
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'q' || c >= 's' && c <= 'z':
goto yystate23
}
yystate130:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'a':
goto yystate69
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'b' && c <= 'z':
goto yystate23
}
yystate131:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'a':
goto yystate132
case c == 'i':
goto yystate133
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'b' && c <= 'h' || c >= 'j' && c <= 'z':
goto yystate23
}
yystate132:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'x':
goto yystate100
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'w' || c == 'y' || c == 'z':
goto yystate23
}
yystate133:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'n':
goto yystate100
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'm' || c >= 'o' && c <= 'z':
goto yystate23
}
yystate134:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'r':
goto yystate32
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'q' || c >= 's' && c <= 'z':
goto yystate23
}
yystate135:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'e':
goto yystate136
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'd' || c >= 'f' && c <= 'z':
goto yystate23
}
yystate136:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'r':
goto yystate137
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'q' || c >= 's' && c <= 'z':
goto yystate23
}
yystate137:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'm':
goto yystate138
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'l' || c >= 'n' && c <= 'z':
goto yystate23
}
yystate138:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'a':
goto yystate139
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'b' && c <= 'z':
goto yystate23
}
yystate139:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'n':
goto yystate140
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'm' || c >= 'o' && c <= 'z':
goto yystate23
}
yystate140:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'e':
goto yystate141
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'd' || c >= 'f' && c <= 'z':
goto yystate23
}
yystate141:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'n':
goto yystate142
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'm' || c >= 'o' && c <= 'z':
goto yystate23
}
yystate142:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 't':
goto yystate82
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 's' || c >= 'u' && c <= 'z':
goto yystate23
}
yystate143:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'u':
goto yystate144
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 't' || c >= 'v' && c <= 'z':
goto yystate23
}
yystate144:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'm':
goto yystate145
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'l' || c >= 'n' && c <= 'z':
goto yystate23
}
yystate145:
c = lexer.getChar()
switch {
default:
goto yyrule15
case c == 'm':
goto yystate146
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'l' || c >= 'n' && c <= 'z':
goto yystate23
}
yystate146:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'a':
goto yystate147
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'b' && c <= 'z':
goto yystate23
}
yystate147:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'r':
goto yystate148
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'q' || c >= 's' && c <= 'z':
goto yystate23
}
yystate148:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'y':
goto yystate89
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'x' || c == 'z':
goto yystate23
}
yystate149:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'i':
goto yystate150
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'h' || c >= 'j' && c <= 'z':
goto yystate23
}
yystate150:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 't':
goto yystate151
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 's' || c >= 'u' && c <= 'z':
goto yystate23
}
yystate151:
c = lexer.getChar()
switch {
default:
goto yyrule21
case c == 'h':
goto yystate93
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'g' || c >= 'i' && c <= 'z':
goto yystate23
}
goto yystate152 // silence unused label error
yystate152:
c = lexer.getChar()
yystart152:
switch {
default:
goto yyabort
case c == '*':
goto yystate154
case c >= '\x01' && c <= ')' || c >= '+' && c <= 'ÿ':
goto yystate153
}
yystate153:
c = lexer.getChar()
goto yyrule3
yystate154:
c = lexer.getChar()
switch {
default:
goto yyrule3
case c == '/':
goto yystate155
}
yystate155:
c = lexer.getChar()
goto yyrule2
yyrule1: // "/*"
{
currentState = S_COMMENTS
goto yystate0
}
yyrule2: // "*/"
{
currentState = S_INITIAL
goto yystate0
}
yyrule3: // .|\n
{
/* ignore chars within multi-line comments */
goto yystate0
}
yyrule4: // \/\/[^\r\n]*\n
{
/* gobble up one-line comments */
goto yystate0
}
yyrule5: // ALERT|alert
{
return ALERT
}
yyrule6: // IF|if
{
return IF
}
yyrule7: // FOR|for
{
return FOR
}
yyrule8: // WITH|with
{
return WITH
}
yyrule9: // SUMMARY|summary
{
return SUMMARY
}
yyrule10: // DESCRIPTION|description
{
return DESCRIPTION
}
yyrule11: // PERMANENT|permanent
{
return PERMANENT
}
yyrule12: // BY|by
{
return GROUP_OP
}
yyrule13: // KEEPING_EXTRA|keeping_extra
{
return KEEPING_EXTRA
}
yyrule14: // AVG|SUM|MAX|MIN|COUNT
{
lval.str = lexer.token(); return AGGR_OP
goto yystate0
}
yyrule15: // avg|sum|max|min|count
{
lval.str = strings.ToUpper(lexer.token()); return AGGR_OP
goto yystate0
}
yyrule16: // \<|>|AND|OR|and|or
{
lval.str = strings.ToUpper(lexer.token()); return CMP_OP
goto yystate0
}
yyrule17: // ==|!=|>=|<=
{
lval.str = lexer.token(); return CMP_OP
goto yystate0
}
yyrule18: // [+\-]
{
lval.str = lexer.token(); return ADDITIVE_OP
goto yystate0
}
yyrule19: // [*/%]
{
lval.str = lexer.token(); return MULT_OP
goto yystate0
}
yyrule20: // {D}+{U}
{
lval.str = lexer.token(); return DURATION
goto yystate0
}
yyrule21: // {L}({L}|{D})*
{
lval.str = lexer.token(); return IDENTIFIER
goto yystate0
}
yyrule22: // \-?{D}+(\.{D}*)?
{
num, err := strconv.ParseFloat(lexer.token(), 64);
if (err != nil && err.(*strconv.NumError).Err == strconv.ErrSyntax) {
panic("Invalid float")
}
lval.num = clientmodel.SampleValue(num)
return NUMBER
}
yyrule23: // \"(\\.|[^\\"])*\"
{
lval.str = lexer.token()[1:len(lexer.token()) - 1]; return STRING
goto yystate0
}
yyrule24: // \'(\\.|[^\\'])*\'
{
lval.str = lexer.token()[1:len(lexer.token()) - 1]; return STRING
goto yystate0
}
yyrule25: // [{}\[\]()=,]
{
return int(lexer.buf[0])
}
yyrule26: // [\t\n\r ]
{
/* gobble up any whitespace */
goto yystate0
}
panic("unreachable")
goto yyabort // silence unused label error
yyabort: // no lexem recognized
lexer.empty = true
return int(c)
}
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