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341 lines
6.1 KiB
Go
341 lines
6.1 KiB
Go
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// Copyright (c) 2016, Daniel Martí <mvdan@mvdan.cc>
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// See LICENSE for licensing information
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package syntax
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type token uint32
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// Modified version of golang.org/x/tools/cmd/stringer that gets the
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// string value from the inline comment of each constant, if there is
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// one. Also removes leading '_'.
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//go:generate stringer -type token
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// The list of all possible tokens.
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const (
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illegalTok token = iota
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_EOF
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_Lit
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_LitWord
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_LitRedir
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sglQuote // '
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dblQuote // "
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bckQuote // `
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and // &
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andAnd // &&
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orOr // ||
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or // |
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pipeAll // |&
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dollar // $
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dollSglQuote // $'
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dollDblQuote // $"
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dollBrace // ${
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dollBrack // $[
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dollParen // $(
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dollDblParen // $((
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leftBrack // [
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leftParen // (
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dblLeftParen // ((
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rightBrace // }
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rightBrack // ]
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rightParen // )
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dblRightParen // ))
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semicolon // ;
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dblSemicolon // ;;
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semiFall // ;&
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dblSemiFall // ;;&
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exclMark // !
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addAdd // ++
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subSub // --
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star // *
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power // **
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equal // ==
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nequal // !=
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lequal // <=
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gequal // >=
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addAssgn // +=
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subAssgn // -=
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mulAssgn // *=
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quoAssgn // /=
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remAssgn // %=
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andAssgn // &=
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orAssgn // |=
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xorAssgn // ^=
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shlAssgn // <<=
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shrAssgn // >>=
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rdrOut // >
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appOut // >>
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rdrIn // <
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rdrInOut // <>
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dplIn // <&
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dplOut // >&
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clbOut // >|
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hdoc // <<
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dashHdoc // <<-
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wordHdoc // <<<
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rdrAll // &>
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appAll // &>>
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cmdIn // <(
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cmdOut // >(
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plus // +
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colPlus // :+
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minus // -
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colMinus // :-
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quest // ?
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colQuest // :?
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assgn // =
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colAssgn // :=
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perc // %
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dblPerc // %%
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hash // #
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dblHash // ##
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caret // ^
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dblCaret // ^^
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comma // ,
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dblComma // ,,
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at // @
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slash // /
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dblSlash // //
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colon // :
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tsExists // -e
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tsRegFile // -f
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tsDirect // -d
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tsCharSp // -c
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tsBlckSp // -b
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tsNmPipe // -p
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tsSocket // -S
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tsSmbLink // -L
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tsSticky // -k
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tsGIDSet // -g
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tsUIDSet // -u
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tsGrpOwn // -G
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tsUsrOwn // -O
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tsModif // -N
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tsRead // -r
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tsWrite // -w
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tsExec // -x
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tsNoEmpty // -s
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tsFdTerm // -t
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tsEmpStr // -z
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tsNempStr // -n
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tsOptSet // -o
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tsVarSet // -v
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tsRefVar // -R
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tsReMatch // =~
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tsNewer // -nt
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tsOlder // -ot
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tsDevIno // -ef
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tsEql // -eq
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tsNeq // -ne
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tsLeq // -le
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tsGeq // -ge
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tsLss // -lt
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tsGtr // -gt
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globQuest // ?(
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globStar // *(
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globPlus // +(
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globAt // @(
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globExcl // !(
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)
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type RedirOperator token
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const (
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RdrOut = RedirOperator(rdrOut) + iota
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AppOut
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RdrIn
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RdrInOut
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DplIn
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DplOut
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ClbOut
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Hdoc
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DashHdoc
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WordHdoc
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RdrAll
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AppAll
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)
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type ProcOperator token
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const (
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CmdIn = ProcOperator(cmdIn) + iota
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CmdOut
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)
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type GlobOperator token
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const (
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GlobQuest = GlobOperator(globQuest) + iota
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GlobStar
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GlobPlus
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GlobAt
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GlobExcl
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)
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type BinCmdOperator token
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const (
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AndStmt = BinCmdOperator(andAnd) + iota
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OrStmt
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Pipe
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PipeAll
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)
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type CaseOperator token
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const (
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DblSemicolon = CaseOperator(dblSemicolon) + iota
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SemiFall
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DblSemiFall
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)
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type ParExpOperator token
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const (
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SubstPlus = ParExpOperator(plus) + iota
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SubstColPlus
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SubstMinus
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SubstColMinus
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SubstQuest
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SubstColQuest
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SubstAssgn
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SubstColAssgn
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RemSmallSuffix
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RemLargeSuffix
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RemSmallPrefix
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RemLargePrefix
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UpperFirst
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UpperAll
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LowerFirst
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LowerAll
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OtherParamOps
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)
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type UnAritOperator token
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const (
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Not = UnAritOperator(exclMark) + iota
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Inc
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Dec
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Plus = UnAritOperator(plus)
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Minus = UnAritOperator(minus)
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)
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type BinAritOperator token
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const (
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Add = BinAritOperator(plus)
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Sub = BinAritOperator(minus)
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Mul = BinAritOperator(star)
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Quo = BinAritOperator(slash)
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Rem = BinAritOperator(perc)
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Pow = BinAritOperator(power)
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Eql = BinAritOperator(equal)
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Gtr = BinAritOperator(rdrOut)
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Lss = BinAritOperator(rdrIn)
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Neq = BinAritOperator(nequal)
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Leq = BinAritOperator(lequal)
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Geq = BinAritOperator(gequal)
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And = BinAritOperator(and)
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Or = BinAritOperator(or)
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Xor = BinAritOperator(caret)
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Shr = BinAritOperator(appOut)
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Shl = BinAritOperator(hdoc)
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AndArit = BinAritOperator(andAnd)
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OrArit = BinAritOperator(orOr)
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Comma = BinAritOperator(comma)
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Quest = BinAritOperator(quest)
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Colon = BinAritOperator(colon)
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Assgn = BinAritOperator(assgn)
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AddAssgn = BinAritOperator(addAssgn)
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SubAssgn = BinAritOperator(subAssgn)
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MulAssgn = BinAritOperator(mulAssgn)
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QuoAssgn = BinAritOperator(quoAssgn)
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RemAssgn = BinAritOperator(remAssgn)
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AndAssgn = BinAritOperator(andAssgn)
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OrAssgn = BinAritOperator(orAssgn)
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XorAssgn = BinAritOperator(xorAssgn)
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ShlAssgn = BinAritOperator(shlAssgn)
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ShrAssgn = BinAritOperator(shrAssgn)
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)
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type UnTestOperator token
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const (
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TsExists = UnTestOperator(tsExists) + iota
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TsRegFile
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TsDirect
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TsCharSp
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TsBlckSp
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TsNmPipe
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TsSocket
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TsSmbLink
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TsSticky
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TsGIDSet
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TsUIDSet
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TsGrpOwn
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TsUsrOwn
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TsModif
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TsRead
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TsWrite
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TsExec
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TsNoEmpty
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TsFdTerm
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TsEmpStr
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TsNempStr
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TsOptSet
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TsVarSet
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TsRefVar
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TsNot = UnTestOperator(exclMark)
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)
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type BinTestOperator token
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const (
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TsReMatch = BinTestOperator(tsReMatch) + iota
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TsNewer
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TsOlder
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TsDevIno
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TsEql
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TsNeq
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TsLeq
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TsGeq
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TsLss
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TsGtr
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AndTest = BinTestOperator(andAnd)
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OrTest = BinTestOperator(orOr)
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// TODO(mvdan): == and != are pattern matches; use more
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// appropriate names like TsMatch and TsNoMatch in 2.0
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TsEqual = BinTestOperator(equal)
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TsNequal = BinTestOperator(nequal)
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TsBefore = BinTestOperator(rdrIn)
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TsAfter = BinTestOperator(rdrOut)
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// Deprecated: now parses as TsEqual
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TsAssgn = BinTestOperator(assgn) // TODO(mvdan): remove in 2.0
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)
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func (o RedirOperator) String() string { return token(o).String() }
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func (o ProcOperator) String() string { return token(o).String() }
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func (o GlobOperator) String() string { return token(o).String() }
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func (o BinCmdOperator) String() string { return token(o).String() }
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func (o CaseOperator) String() string { return token(o).String() }
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func (o ParExpOperator) String() string { return token(o).String() }
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func (o UnAritOperator) String() string { return token(o).String() }
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func (o BinAritOperator) String() string { return token(o).String() }
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func (o UnTestOperator) String() string { return token(o).String() }
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func (o BinTestOperator) String() string { return token(o).String() }
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