tree-sitter-bash/src/grammar.json

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{
"name": "bash",
"rules": {
"program": {
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "_terminated_statement"
}
},
"_terminated_statement": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "statement"
},
{
"type": "SYMBOL",
"name": "terminator"
}
]
},
"statement": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "environment_variable_assignment"
},
{
"type": "SYMBOL",
"name": "command"
},
{
"type": "SYMBOL",
"name": "bracket_command"
},
{
"type": "SYMBOL",
"name": "while_statement"
},
{
"type": "SYMBOL",
"name": "if_statement"
},
{
"type": "SYMBOL",
"name": "case_statement"
},
{
"type": "SYMBOL",
"name": "pipeline"
},
{
"type": "SYMBOL",
"name": "list"
},
{
"type": "SYMBOL",
"name": "subshell"
}
]
},
"while_statement": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "while"
},
{
"type": "SYMBOL",
"name": "_terminated_statement"
},
{
"type": "SYMBOL",
"name": "do_group"
}
]
},
"do_group": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "do"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "_terminated_statement"
}
},
{
"type": "STRING",
"value": "done"
}
]
},
"if_statement": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "if"
},
{
"type": "SYMBOL",
"name": "_terminated_statement"
},
{
"type": "STRING",
"value": "then"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "_terminated_statement"
}
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "elif_clause"
}
},
{
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "else_clause"
},
{
"type": "BLANK"
}
]
},
{
"type": "STRING",
"value": "fi"
}
]
},
"elif_clause": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "elif"
},
{
"type": "SYMBOL",
"name": "_terminated_statement"
},
{
"type": "STRING",
"value": "then"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "_terminated_statement"
}
}
]
},
"else_clause": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "else"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "_terminated_statement"
}
}
]
},
"case_statement": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "case"
},
{
"type": "SYMBOL",
"name": "value"
},
{
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "terminator"
},
{
"type": "BLANK"
}
]
},
{
"type": "STRING",
"value": "in"
},
{
"type": "SYMBOL",
"name": "terminator"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "case_item"
}
},
{
"type": "STRING",
"value": "esac"
}
]
},
"case_item": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "value"
},
{
"type": "STRING",
"value": ")"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "_terminated_statement"
}
},
{
"type": "STRING",
"value": ";;"
}
]
},
"bracket_command": {
"type": "CHOICE",
"members": [
{
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "["
},
{
"type": "REPEAT1",
"content": {
"type": "SYMBOL",
"name": "value"
}
},
{
"type": "STRING",
"value": "]"
}
]
},
{
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "[["
},
{
"type": "REPEAT1",
"content": {
"type": "SYMBOL",
"name": "value"
}
},
{
"type": "STRING",
"value": "]]"
}
]
}
]
},
"command": {
"type": "SEQ",
"members": [
{
"type": "REPEAT",
"content": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "environment_variable_assignment"
},
{
"type": "SYMBOL",
"name": "file_redirect"
}
]
}
},
{
"type": "CHOICE",
"members": [
{
"type": "RENAME",
"content": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "leading_word"
}
]
},
"value": "command_name"
},
{
"type": "STRING",
"value": ":"
},
{
"type": "SYMBOL",
"name": "quoted_argument"
},
{
"type": "SYMBOL",
"name": "single_quoted_argument"
}
]
},
{
"type": "CHOICE",
"members": [
{
"type": "SEQ",
"members": [
{
"type": "PATTERN",
"value": "\\s+"
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "value"
}
}
]
},
{
"type": "BLANK"
}
]
},
{
"type": "REPEAT",
"content": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "file_redirect"
},
{
"type": "SYMBOL",
"name": "heredoc_redirect"
}
]
}
}
]
},
"pipeline": {
"type": "PREC_LEFT",
"value": 1,
"content": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "statement"
},
{
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": "|"
},
{
"type": "STRING",
"value": "|&"
}
]
},
{
"type": "SYMBOL",
"name": "statement"
}
]
}
},
"list": {
"type": "PREC_LEFT",
"value": 0,
"content": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "statement"
},
{
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": "&&"
},
{
"type": "STRING",
"value": "||"
}
]
},
{
"type": "SYMBOL",
"name": "statement"
}
]
}
},
"subshell": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "("
},
{
"type": "REPEAT",
"content": {
"type": "SYMBOL",
"name": "_terminated_statement"
}
},
{
"type": "STRING",
"value": ")"
}
]
},
"environment_variable_assignment": {
"type": "SEQ",
"members": [
{
"type": "RENAME",
"content": {
"type": "SYMBOL",
"name": "leading_word"
},
"value": "variable_name"
},
{
"type": "STRING",
"value": "="
},
{
"type": "SYMBOL",
"name": "value"
}
]
},
"value": {
"type": "CHOICE",
"members": [
{
"type": "RENAME",
"content": {
"type": "SYMBOL",
"name": "word"
},
"value": "argument"
},
{
"type": "SYMBOL",
"name": "command_substitution"
},
{
"type": "SYMBOL",
"name": "quoted_argument"
},
{
"type": "SYMBOL",
"name": "single_quoted_argument"
},
{
"type": "SYMBOL",
"name": "expansion"
},
{
"type": "SYMBOL",
"name": "operator_expansion"
}
]
},
"quoted_argument": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "\""
},
{
"type": "REPEAT",
"content": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "_quoted_chars"
},
{
"type": "SYMBOL",
"name": "expansion"
},
{
"type": "SYMBOL",
"name": "operator_expansion"
},
{
"type": "SYMBOL",
"name": "command_substitution"
}
]
}
},
{
"type": "STRING",
"value": "\""
}
]
},
"_quoted_chars": {
"type": "PATTERN",
"value": "[^\"$]+"
},
"single_quoted_argument": {
"type": "PATTERN",
"value": "'[^']*'"
},
"expansion": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "$"
},
{
"type": "CHOICE",
"members": [
{
"type": "RENAME",
"content": {
"type": "SYMBOL",
"name": "word"
},
"value": "variable_name"
},
{
"type": "STRING",
"value": "$"
}
]
}
]
},
"operator_expansion": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "${"
},
{
"type": "RENAME",
"content": {
"type": "SYMBOL",
"name": "leading_word"
},
"value": "variable_name"
},
{
"type": "CHOICE",
"members": [
{
"type": "SEQ",
"members": [
{
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": ":"
},
{
"type": "STRING",
"value": ":?"
},
{
"type": "STRING",
"value": "="
},
{
"type": "STRING",
"value": ":-"
}
]
},
{
"type": "SYMBOL",
"name": "value"
}
]
},
{
"type": "BLANK"
}
]
},
{
"type": "STRING",
"value": "}"
}
]
},
"command_substitution": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "$("
},
{
"type": "SYMBOL",
"name": "command"
},
{
"type": "STRING",
"value": ")"
}
]
},
"file_redirect": {
"type": "SEQ",
"members": [
{
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "file_descriptor"
},
{
"type": "BLANK"
}
]
},
{
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": "<"
},
{
"type": "STRING",
"value": ">"
},
{
"type": "STRING",
"value": ">>"
},
{
"type": "STRING",
"value": "&>"
},
{
"type": "STRING",
"value": "&>>"
},
{
"type": "STRING",
"value": "<&"
},
{
"type": "STRING",
"value": ">&"
}
]
},
{
"type": "SYMBOL",
"name": "value"
}
]
},
"heredoc_redirect": {
"type": "SEQ",
"members": [
{
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": "<<"
},
{
"type": "STRING",
"value": "<<-"
}
]
},
{
"type": "SYMBOL",
"name": "heredoc"
}
]
},
"heredoc": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "_simple_heredoc"
},
{
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "_heredoc_beginning"
},
{
"type": "REPEAT",
"content": {
"type": "CHOICE",
"members": [
{
"type": "SYMBOL",
"name": "expansion"
},
{
"type": "SYMBOL",
"name": "operator_expansion"
},
{
"type": "SYMBOL",
"name": "_heredoc_middle"
}
]
}
},
{
"type": "SYMBOL",
"name": "_heredoc_end"
}
]
}
]
},
"leading_word": {
"type": "PATTERN",
"value": "[^\"\\\\\\s#=|;:{}()]+"
},
"word": {
"type": "PATTERN",
"value": "[^\"#\\\\\\s$<>{}&;()]+"
},
"comment": {
"type": "PATTERN",
"value": "#.*"
},
"terminator": {
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": ";"
},
{
"type": "STRING",
"value": ";;"
},
{
"type": "STRING",
"value": "\n"
},
{
"type": "STRING",
"value": "&"
}
]
}
},
"extras": [
{
"type": "SYMBOL",
"name": "comment"
},
{
"type": "TOKEN",
"content": {
"type": "CHOICE",
"members": [
{
"type": "PATTERN",
"value": "\\s"
},
{
"type": "STRING",
"value": "\\\n"
}
]
}
}
],
"conflicts": [],
"externals": [
{
"type": "SYMBOL",
"name": "_simple_heredoc"
},
{
"type": "SYMBOL",
"name": "_heredoc_beginning"
},
{
"type": "SYMBOL",
"name": "_heredoc_middle"
},
{
"type": "SYMBOL",
"name": "_heredoc_end"
},
{
"type": "SYMBOL",
"name": "file_descriptor"
}
],
"inline": [
"statement",
"terminator",
"value"
]
}