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token_name() - internals

Compiler internals for token_name(): lowering path, type checks, and runtime helpers.

token_name() - internals

Where it lives

Lowering notes

  • Implemented by the compiler-injected tokenizer prelude.

Semantic descriptor

Shared contract implemented by an injected elephc-PHP prelude.

EIR and runtime boundary

Implemented by an injected elephc-PHP prelude.

Signature summary

function token_name(int $id): string

What the type checker enforces

  • Arity: takes exactly 1 argument.

Eval interpreter (magician)

Cross-references