package ocaml-base-compiler

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in-package search v0.2.0

Official release 5.2.1

Install

Dune Dependency

ocaml.org Edit opam file Versions (99)

Authors

Xavier Leroy

Maintainers

Sources

ocaml-5.2.1.tar.gz

sha256=2d0f8090951a97a2c0e5b8a11e90096c0e1791d2e471e4a67f87e3b974044cd0

doc/stdlib/Stdlib/Printexc/Slot/index.html

Module `Printexc.Slot`Source

since 4.02

Sourcetype t = backtrace_slot

Sourceval is_raise : t -> bool

is_raise slot is true when slot refers to a raising point in the code, and false when it comes from a simple function call.

since 4.02

Sourceval is_inline : t -> bool

is_inline slot is true when slot refers to a call that got inlined by the compiler, and false when it comes from any other context.

since 4.04

Sourceval location : t -> location option

location slot returns the location information of the slot, if available, and None otherwise.

Some possible reasons for failing to return a location are as follow:

the slot corresponds to a compiler-inserted raise
the slot corresponds to a part of the program that has not been compiled with debug information (-g)

since 4.02

Sourceval name : t -> string option

name slot returns the name of the function or definition enclosing the location referred to by the slot.

name slot returns None if the name is unavailable, which may happen for the same reasons as location returning None.

since 4.11

Sourceval format : int -> t -> string option

format pos slot returns the string representation of slot as raw_backtrace_to_string would format it, assuming it is the pos-th element of the backtrace: the 0-th element is pretty-printed differently than the others.

Whole-backtrace printing functions also skip some uninformative slots; in that case, format pos slot returns None.

since 4.02