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https://github.com/nikdoof/vsphere-influxdb-go.git
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add vendoring with go dep
This commit is contained in:
Adrian Todorov
326
vendor/github.com/influxdata/influxdb/influxql/token.go
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vendored
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326
vendor/github.com/influxdata/influxdb/influxql/token.go
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vendored
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@@ -0,0 +1,326 @@
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package influxql
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import (
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"strings"
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)
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// Token is a lexical token of the InfluxQL language.
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type Token int
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// These are a comprehensive list of InfluxQL language tokens.
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const (
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// ILLEGAL Token, EOF, WS are Special InfluxQL tokens.
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ILLEGAL Token = iota
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EOF
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WS
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COMMENT
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literalBeg
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// IDENT and the following are InfluxQL literal tokens.
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IDENT // main
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BOUNDPARAM // $param
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NUMBER // 12345.67
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INTEGER // 12345
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DURATIONVAL // 13h
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STRING // "abc"
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BADSTRING // "abc
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BADESCAPE // \q
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TRUE // true
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FALSE // false
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REGEX // Regular expressions
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BADREGEX // `.*
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literalEnd
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operatorBeg
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// ADD and the following are InfluxQL Operators
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ADD // +
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SUB // -
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MUL // *
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DIV // /
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MOD // %
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BITWISE_AND // &
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BITWISE_OR // |
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BITWISE_XOR // ^
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AND // AND
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OR // OR
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EQ // =
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NEQ // !=
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EQREGEX // =~
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NEQREGEX // !~
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LT // <
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LTE // <=
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GT // >
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GTE // >=
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operatorEnd
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LPAREN // (
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RPAREN // )
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COMMA // ,
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COLON // :
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DOUBLECOLON // ::
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SEMICOLON // ;
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DOT // .
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keywordBeg
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// ALL and the following are InfluxQL Keywords
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ALL
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ALTER
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ANY
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AS
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ASC
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BEGIN
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BY
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CREATE
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CONTINUOUS
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DATABASE
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DATABASES
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DEFAULT
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DELETE
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DESC
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DESTINATIONS
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DIAGNOSTICS
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DISTINCT
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DROP
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DURATION
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END
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EVERY
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EXPLAIN
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FIELD
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FOR
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FROM
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GRANT
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GRANTS
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GROUP
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GROUPS
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IN
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INF
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INSERT
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INTO
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KEY
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KEYS
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KILL
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LIMIT
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MEASUREMENT
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MEASUREMENTS
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NAME
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OFFSET
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ON
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ORDER
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PASSWORD
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POLICY
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POLICIES
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PRIVILEGES
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QUERIES
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QUERY
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READ
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REPLICATION
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RESAMPLE
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RETENTION
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REVOKE
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SELECT
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SERIES
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SET
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SHOW
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SHARD
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SHARDS
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SLIMIT
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SOFFSET
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STATS
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SUBSCRIPTION
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SUBSCRIPTIONS
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TAG
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TO
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USER
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USERS
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VALUES
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WHERE
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WITH
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WRITE
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keywordEnd
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)
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var tokens = [...]string{
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ILLEGAL: "ILLEGAL",
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EOF: "EOF",
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WS: "WS",
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IDENT: "IDENT",
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NUMBER: "NUMBER",
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DURATIONVAL: "DURATIONVAL",
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STRING: "STRING",
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BADSTRING: "BADSTRING",
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BADESCAPE: "BADESCAPE",
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TRUE: "TRUE",
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FALSE: "FALSE",
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REGEX: "REGEX",
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ADD: "+",
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SUB: "-",
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MUL: "*",
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DIV: "/",
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MOD: "%",
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BITWISE_AND: "&",
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BITWISE_OR: "|",
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BITWISE_XOR: "^",
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AND: "AND",
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OR: "OR",
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EQ: "=",
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NEQ: "!=",
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EQREGEX: "=~",
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NEQREGEX: "!~",
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LT: "<",
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LTE: "<=",
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GT: ">",
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GTE: ">=",
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LPAREN: "(",
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RPAREN: ")",
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COMMA: ",",
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COLON: ":",
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DOUBLECOLON: "::",
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SEMICOLON: ";",
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DOT: ".",
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ALL: "ALL",
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ALTER: "ALTER",
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ANY: "ANY",
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AS: "AS",
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ASC: "ASC",
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BEGIN: "BEGIN",
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BY: "BY",
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CREATE: "CREATE",
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CONTINUOUS: "CONTINUOUS",
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DATABASE: "DATABASE",
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DATABASES: "DATABASES",
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DEFAULT: "DEFAULT",
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DELETE: "DELETE",
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DESC: "DESC",
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DESTINATIONS: "DESTINATIONS",
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DIAGNOSTICS: "DIAGNOSTICS",
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DISTINCT: "DISTINCT",
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DROP: "DROP",
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DURATION: "DURATION",
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END: "END",
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EVERY: "EVERY",
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EXPLAIN: "EXPLAIN",
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FIELD: "FIELD",
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FOR: "FOR",
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FROM: "FROM",
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GRANT: "GRANT",
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GRANTS: "GRANTS",
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GROUP: "GROUP",
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GROUPS: "GROUPS",
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IN: "IN",
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INF: "INF",
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INSERT: "INSERT",
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INTO: "INTO",
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KEY: "KEY",
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KEYS: "KEYS",
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KILL: "KILL",
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LIMIT: "LIMIT",
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MEASUREMENT: "MEASUREMENT",
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MEASUREMENTS: "MEASUREMENTS",
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NAME: "NAME",
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OFFSET: "OFFSET",
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ON: "ON",
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ORDER: "ORDER",
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PASSWORD: "PASSWORD",
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POLICY: "POLICY",
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POLICIES: "POLICIES",
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PRIVILEGES: "PRIVILEGES",
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QUERIES: "QUERIES",
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QUERY: "QUERY",
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READ: "READ",
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REPLICATION: "REPLICATION",
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RESAMPLE: "RESAMPLE",
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RETENTION: "RETENTION",
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REVOKE: "REVOKE",
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SELECT: "SELECT",
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SERIES: "SERIES",
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SET: "SET",
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SHOW: "SHOW",
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SHARD: "SHARD",
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SHARDS: "SHARDS",
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SLIMIT: "SLIMIT",
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SOFFSET: "SOFFSET",
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STATS: "STATS",
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SUBSCRIPTION: "SUBSCRIPTION",
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SUBSCRIPTIONS: "SUBSCRIPTIONS",
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TAG: "TAG",
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TO: "TO",
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USER: "USER",
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USERS: "USERS",
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VALUES: "VALUES",
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WHERE: "WHERE",
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WITH: "WITH",
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WRITE: "WRITE",
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}
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var keywords map[string]Token
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func init() {
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keywords = make(map[string]Token)
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for tok := keywordBeg + 1; tok < keywordEnd; tok++ {
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keywords[strings.ToLower(tokens[tok])] = tok
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}
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for _, tok := range []Token{AND, OR} {
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keywords[strings.ToLower(tokens[tok])] = tok
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}
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keywords["true"] = TRUE
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keywords["false"] = FALSE
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}
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// String returns the string representation of the token.
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func (tok Token) String() string {
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if tok >= 0 && tok < Token(len(tokens)) {
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return tokens[tok]
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}
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return ""
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}
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// Precedence returns the operator precedence of the binary operator token.
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func (tok Token) Precedence() int {
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switch tok {
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case OR:
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return 1
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case AND:
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return 2
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case EQ, NEQ, EQREGEX, NEQREGEX, LT, LTE, GT, GTE:
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return 3
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case ADD, SUB, BITWISE_OR, BITWISE_XOR:
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return 4
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case MUL, DIV, MOD, BITWISE_AND:
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return 5
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}
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return 0
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}
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// isOperator returns true for operator tokens.
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func (tok Token) isOperator() bool { return tok > operatorBeg && tok < operatorEnd }
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// tokstr returns a literal if provided, otherwise returns the token string.
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func tokstr(tok Token, lit string) string {
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if lit != "" {
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return lit
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}
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return tok.String()
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}
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// Lookup returns the token associated with a given string.
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func Lookup(ident string) Token {
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if tok, ok := keywords[strings.ToLower(ident)]; ok {
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return tok
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}
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return IDENT
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}
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// Pos specifies the line and character position of a token.
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// The Char and Line are both zero-based indexes.
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type Pos struct {
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Line int
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Char int
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}
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