system() — internals

system() — internals

Where it lives

• Signature: src/builtins/system/system.rs
• Lowering: src/codegen/lower_inst/builtins/system.rs:706 (lower_system)
• Function symbol: lower_system()

Lowering notes

• Lowers system(command) through libc system() and returns the compiler’s empty string result.

Runtime helpers

The following runtime helpers are referenced:

• __rt_shell_exec

Signature summary

function system(string $command): string

What the type checker enforces

• Arity: takes exactly 1 argument.

Eval interpreter (magician)

• Declaration: crates/elephc-magician/src/interpreter/builtins/network_env/system.rs (eval_builtin!)
• Dispatch hooks: direct, values

Cross-references

• User reference for system()