call-stack: Call stack utility functions

In fmesher: Triangle Meshes and Related Geometry Tools

Call stack utility functions

Description

Helper functions for displaying call stack information

Usage

fm_caller_name(which = 0L, override = NULL)

fm_call_stack(start = 0L, end = 0L, with_numbers = TRUE, ...)

fm_try_callstack(expr)

Arguments

which	The number of frames to go back from the caller
override	character; Overrides the automated function name logic
start	The stack starting point
end	The stack end point
with_numbers	INclude call stack location numbers
...	Currently unused
expr	An expression to evaluate

Value

fm_caller_name returns a string with the the name of a calling function

fm_call_stack returns a character vector

fm_try_callstack If successful, returns (invisibly) the value from the evaluated expression, otherwise an error object with call stack information attached to the error message.

Functions

• fm_call_stack():

• fm_try_callstack(): Inspired by berryFunctions::tryStack

Examples

fun <- function() {
  print(fm_caller_name())
  nm <- fm_caller_name()
  print(nm)
}
fun()

fmesher documentation built on Nov. 2, 2023, 5:35 p.m.