tree-sitter-bash/corpus/expressions.txt

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=============================
Literal words
=============================
echo a
echo a b
---
(program
(command (command_name (word)) (word))
(command (command_name (word)) (word) (word)))
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=============================
Simple variable expansions
=============================
echo $abc
---
(program
(command (command_name (word)) (simple_expansion (variable_name))))
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=============================
Variable expansions
=============================
echo ${abc}
echo ${abc:-def}
echo ${abc:- }
echo ${abc:
}
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---
(program
(command (command_name (word)) (expansion (variable_name)))
(command (command_name (word)) (expansion (variable_name) (word)))
(command (command_name (word)) (expansion (variable_name)))
(command (command_name (word)) (expansion (variable_name))))
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===================================
Other variable expansion operators
===================================
cat ${BAR} ${ABC=def} ${GHI:?jkl}
---
(program
(command
(command_name (word))
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(expansion (variable_name))
(expansion (variable_name) (word))
(expansion (variable_name) (word))))
=============================
Command substitutions
=============================
echo `echo hi`
echo $(echo $(echo hi))
---
(program
(command
(command_name (word))
(command_substitution (command (command_name (word)) (word))))
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(command
(command_name (word))
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(command_substitution (command
(command_name (word))
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(command_substitution (command
(command_name (word))
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(word)))))))
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=============================
Process substitutions
=============================
wc -c <(echo abc && echo def)
echo abc > >(wc -c)
---
(program
(command
(command_name (word))
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(word)
(process_substitution (list
(command (command_name (word)) (word))
(command (command_name (word)) (word)))))
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(command
(command_name (word))
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(word)
(file_redirect (process_substitution
(command (command_name (word)) (word))))))
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=============================
Single quoted strings
=============================
echo 'a b' 'c d'
---
(program
(command (command_name (word)) (raw_string) (raw_string)))
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=============================
Double quoted strings
=============================
echo "a" "b"
echo "a ${b} c" "d $e"
---
(program
(command (command_name (word))
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(string)
(string))
(command (command_name (word))
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(string (expansion (variable_name)))
(string (simple_expansion (variable_name)))))
=========================================
Strings containing command substitutions
=========================================
find "`dirname $file`" -name "$base"'*'
---
(program
(command
(command_name (word))
(string (command_substitution (command (command_name (word)) (simple_expansion (variable_name)))))
(word)
(concatenation
(string (simple_expansion (variable_name)))
(raw_string))))
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=========================================
Variable declaration: declare & typeset
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=========================================
declare var1
typeset -i -r var2=42 var3=10
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---
(program
(declaration_command (simple_variable_name))
(declaration_command (argument) (argument)
(variable_assignment (variable_name) (word))
(variable_assignment (variable_name) (word))))
=========================================
Variable declaration: readonly
=========================================
readonly var1
readonly var2=42
---
(program
(declaration_command (simple_variable_name))
(declaration_command (variable_assignment (variable_name) (word))))
=========================================
Variable declaration: local
=========================================
local a=42 b
local -r c
---
(program
(declaration_command
(variable_assignment (variable_name) (word))
(simple_variable_name))
(declaration_command (argument) (simple_variable_name)))
=========================================
Variable declaration: export
=========================================
export PATH
export FOOBAR PATH="$PATH:/usr/foobar/bin"
---
(program
(declaration_command (simple_variable_name))
(declaration_command
(simple_variable_name)
(variable_assignment (variable_name) (string (simple_expansion (variable_name))))))
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=========================================
Arrays and array expansions
=========================================
a=()
b=(1 2 3)
echo ${a[@]}
echo ${#b[@]}
a[$i]=50
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a+=(foo "bar" $(baz))
---
(program
(variable_assignment (variable_name) (array))
(variable_assignment (variable_name) (array (word) (word) (word)))
(command (command_name (word)) (expansion (variable_name)))
(command (command_name (word)) (expansion (variable_name)))
(variable_assignment
(subscript (variable_name) (simple_expansion (variable_name)))
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(word))
(variable_assignment
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(variable_name)
(array
(word)
(string)
(command_substitution (command (command_name (word)))))))