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fgetc() — internals
Compiler internals for fgetc(): lowering path, type checks, and runtime helpers.
fgetc() — internals
Where it lives
- Signature:
src/builtins/io/fgetc.rs - Lowering:
src/codegen/lower_inst/builtins/io.rs:2978 (lower_fgetc) - Function symbol:
lower_fgetc()
Lowering notes
- Lowers
fgetc(stream)and boxes the one-byte string or PHP false result.
Runtime helpers
The following runtime helpers are referenced:
__rt_fgetc__rt_fgetcsv
Signature summary
function fgetc(resource $stream): mixedWhat the type checker enforces
- Arity: takes exactly 1 argument.
Eval interpreter (magician)
- Declaration:
crates/elephc-magician/src/interpreter/builtins/filesystem/fgetc.rs(eval_builtin!) - Dispatch hooks:
direct,values