process.label: This function uses the spine of connected nodes to return the...

In jwons/provDebugR: An R Post-Mortem Debugger

Description

This function uses the spine of connected nodes to return the data frame This function is also used by debug.warning.trace()

Usage

.process.label(label, proc.nodes, forward, assign.state = NA)

Arguments

label	A character corresponding to a node name in the prov
proc.nodes	Data frame with the prov porcedure nodes
forward	A logical determining whether or not to search forward
assign.state	A possibly NULL character used if lineage is going forward. It has the label for the assignment statement for the chosen variable.

Value

A data frame that contains the lineage of a variable. Each row is a line from the script with corresponding metadata, script #, line #, etc.

jwons/provDebugR documentation built on May 3, 2019, 3:40 p.m.