chmod() — internals

chmod() — internals

Where it lives

• Signature: src/builtins/io/chmod.rs
• Lowering: src/codegen/lower_inst/builtins/io.rs:4464 (lower_chmod)
• Function symbol: lower_chmod()

Lowering notes

• Lowers chmod(path, mode) through the target-aware runtime helper.

Runtime helpers

No direct __rt_* helpers captured — the lowering is inlined or routes through another builtin.

Signature summary

function chmod(string $filename, int $permissions): bool

What the type checker enforces

• Arity: takes exactly 2 arguments.

Eval interpreter (magician)

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

Cross-references

• User reference for chmod()