Struct Executor 

pub struct Executor<'env> {
    pub env: &'env mut ShellEnv,
    pub builtins: BuiltinRegistry,
    pub jobs: JobTable,
}

The command executor.

Holds a mutable reference to the shell environment and a builtin registry. Create one per top-level evaluation.

Fields

env: &'env mut ShellEnv

builtins: BuiltinRegistry

jobs: JobTable

Implementations

impl<'env> Executor<'env>

pub fn new(env: &'env mut ShellEnv) -> Self

Create a new executor with the default builtins.

pub fn execute_program(&mut self, program: &Program) -> ExecResult

Execute an entire program (a list of complete commands).

pub fn execute_pipeline(&mut self, pipeline: &Pipeline) -> ExecResult

Execute a pipeline of one or more commands connected by pipes.

pub fn execute_command(&mut self, cmd: &Command) -> ExecResult

Execute a single command node from the AST.

pub fn execute_simple(&mut self, cmd: &SimpleCommand) -> ExecResult

Execute a simple command (assignments + words + redirects).

pub fn expand_word(&mut self, word: &Word) -> String

Expand a Word AST node into a plain string, performing all expansions.