Bash.AST.Compound (Bash v0.3.0)

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Compound statement: subshell or command group.

Examples

# (cd /tmp && ls)  - subshell
%Compound{
  kind: :subshell,
  statements: [...]
}

# { cd /tmp && ls; }  - group (current shell)
%Compound{
  kind: :group,
  statements: [...]
}

# cmd1; cmd2; cmd3 - sequential
%Compound{
  statements: [
    %Command{name: "cmd1", ...},
    %Command{name: "cmd2", ...}
  ]
}

# cmd1 && cmd2 || cmd3 - operand
%Compound{
  statements: [
    %Command{name: "cmd1", ...},
    {:operator, :&&}
    %Command{name: "cmd2", ...},
    {:operator, :||}
    %Command{name: "cmd3", ...}
  ]
}

# cmd1 & cmd2 & - operand
%Compound{
  statements: [
    %Command{name: "cmd1", ...},
    {:operator, :bg},
    %Command{name: "cmd2", ...},
    {:operator, :bg}
  ]
}

Summary

Types

kind()
t()

Functions

execute(compound, stdin, session_state)

Types

kind()

@type kind() :: :subshell | :group | :operand | :sequential

t()

@type t() :: %Bash.AST.Compound{
  exit_code: 0..255 | nil,
  kind: kind(),
  meta: Bash.AST.Meta.t(),
  redirects: [Redirect.t()],
  state_updates: map(),
  statements: [Statement.t()]
}

Functions

execute(compound, stdin, session_state)