Files
docker-cli/cli/connhelper/internal/syntax/parser.go
Sebastiaan van Stijn 82eda48066 cli/connhelper/internal/syntax: fix linting issues
cli/connhelper/internal/syntax/parser.go:31:2: Duplicate words (the) found (dupword)
        // Note that it shares some features with Bash, due to the the shared
        ^
    cli/connhelper/internal/syntax/quote.go:48:1: cyclomatic complexity 35 of func `Quote` is high (> 16) (gocyclo)
    func Quote(s string, lang LangVariant) (string, error) {
    ^
    cli/connhelper/internal/syntax/quote.go:103:3: shadow: declaration of "offs" shadows declaration at line 56 (govet)
            offs := 0
            ^

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2025-06-24 16:24:34 +02:00

96 lines
2.4 KiB
Go

// Copyright (c) 2016, Daniel Martí <mvdan@mvdan.cc>
// See LICENSE for licensing information
package syntax
// LangVariant describes a shell language variant to use when tokenizing and
// parsing shell code. The zero value is [LangBash].
type LangVariant int
const (
// LangBash corresponds to the GNU Bash language, as described in its
// manual at https://www.gnu.org/software/bash/manual/bash.html.
//
// We currently follow Bash version 5.2.
//
// Its string representation is "bash".
LangBash LangVariant = iota
// LangPOSIX corresponds to the POSIX Shell language, as described at
// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html.
//
// Its string representation is "posix" or "sh".
LangPOSIX
// LangMirBSDKorn corresponds to the MirBSD Korn Shell, also known as
// mksh, as described at http://www.mirbsd.org/htman/i386/man1/mksh.htm.
// Note that it shares some features with Bash, due to the shared
// ancestry that is ksh.
//
// We currently follow mksh version 59.
//
// Its string representation is "mksh".
LangMirBSDKorn
// LangBats corresponds to the Bash Automated Testing System language,
// as described at https://github.com/bats-core/bats-core. Note that
// it's just a small extension of the Bash language.
//
// Its string representation is "bats".
LangBats
// LangAuto corresponds to automatic language detection,
// commonly used by end-user applications like shfmt,
// which can guess a file's language variant given its filename or shebang.
//
// At this time, [Variant] does not support LangAuto.
LangAuto
)
func (l LangVariant) String() string {
switch l {
case LangBash:
return "bash"
case LangPOSIX:
return "posix"
case LangMirBSDKorn:
return "mksh"
case LangBats:
return "bats"
case LangAuto:
return "auto"
}
return "unknown shell language variant"
}
// IsKeyword returns true if the given word is part of the language keywords.
func IsKeyword(word string) bool {
// This list has been copied from the bash 5.1 source code, file y.tab.c +4460
switch word {
case
"!",
"[[", // only if COND_COMMAND is defined
"]]", // only if COND_COMMAND is defined
"case",
"coproc", // only if COPROCESS_SUPPORT is defined
"do",
"done",
"else",
"esac",
"fi",
"for",
"function",
"if",
"in",
"select", // only if SELECT_COMMAND is defined
"then",
"time", // only if COMMAND_TIMING is defined
"until",
"while",
"{",
"}":
return true
}
return false
}