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Module ast

Module ast

Structs§

AndOrBinary: Binary and-or metadata used by AndOrList::BinOp.
ArithmAssignmentExpr
ArithmBinaryExpr
ArithmConditionalExpr
ArithmLiteral: An arithmetic expression node.
ArithmRaw
ArithmUnaryExpr
ArithmVariable
ArithmeticExpansion: Arithmetic expansion metadata for Word::Arithmetic.
Assignment: A variable assignment: NAME=VALUE.
CaseClause: A case clause.
CaseItem: A single case item: pattern [| pattern]...) body ;;.
CommandList: A command list entry: an and-or list optionally followed by &.
CommandSubstitution: Command substitution metadata for Word::Command.
CompoundCommand: Compound-command payload used by brace groups and subshells.
ElseClause: Else-body payload used by ElsePart::Else.
ForClause: A for loop clause.
FunctionDefinition: A function definition.
IfClause: An if-elif-else clause.
IoRedirect: A single I/O redirection.
LoopClause: A while or until loop.
ParameterExpansion: Parameter expansion metadata for Word::Parameter.
Pipeline: A pipeline: [!] cmd1 | cmd2 | ....
Position: Source position within the input stream.
Program: A complete shell program.
Range: A range of source positions.
SimpleCommand: A simple command with optional assignments, arguments, and redirections.
StringWord: Literal string segment metadata for Word::String.
WordList: Word-list metadata for Word::List.

Enums§

AndOrList: An and-or list node.
ArithmAssignOp: Arithmetic assignment operator.
ArithmBinOp: Binary arithmetic operator.
ArithmExpr: An arithmetic expression node.
ArithmUnOp: Unary arithmetic operator.
BinOpType: Type of binary and-or operator.
Command: A command node.
ElsePart: The else/elif portion of an if clause.
IoRedirectOp: I/O redirection operator.
LoopType: Loop type: while or until.
ParameterOp: Parameter expansion operator, e.g. ${var:-default}.
Word: A word node in the AST.

Traits§

Spanned: A syntax node that can report a source span.
Visitor: AST visitor for traversing shell syntax trees.

Functions§

walk_and_or_list: Recursively walk an and-or list.
walk_arithm_expr: Recursively walk one arithmetic expression tree.
walk_assignment: Recursively walk one assignment.
walk_brace_group: Recursively walk a brace group body and its redirections.
walk_case_clause: Recursively walk a case-clause.
walk_case_item: Recursively walk one case-item.
walk_command: Recursively walk a command.
walk_command_list: Recursively walk one command-list entry.
walk_else_part: Recursively walk an else-part.
walk_for_clause: Recursively walk a for-clause.
walk_function_definition: Recursively walk a function definition.
walk_if_clause: Recursively walk an if-clause.
walk_io_redirect: Recursively walk one redirection.
walk_loop_clause: Recursively walk a loop-clause.
walk_pipeline: Recursively walk a pipeline.
walk_program: Recursively walk a full program.
walk_simple_command: Recursively walk a simple command.
walk_subshell: Recursively walk a subshell body and its redirections.
walk_word: Recursively walk one word tree.