Module script 

Script execution: parse script to AST (assign, command, if/for/while, source), then interpret.

Structs

ParseError

Parse error with message.

Enums

CmdOutcome

Result of running one command line: success (exit 0), failed (non-zero), or exit requested.

ScriptStmt

One script statement.

Functions

expand_vars

Expand $VAR and ${VAR} in s using vars; undefined names expand to empty string.

logical_lines

Turn script source into logical lines: join lines ending with \, strip # comments, skip blank.

parse_script

Parse logical lines into a list of script statements.

read_script_source_text

Load script text for source / REPL source / . path: workspace (guest-primary or VFS), then host (design §9).

run_script

Run script source: logical lines → parse to AST → interpret.