join_on_containing_srcrefs {covtracer}

Join srcref data.frames by intersection of srcref spans

Description

References to source code are defined by the source code line and column span of the relevant source code. This function takes data frames containing that information to pair source code in one data frame to source code from another. In this case, source code from the left hand data frame is paired if it is entirely contained within a record of source code in the right hand data frame.

Usage

join_on_containing_srcrefs(x, y, by = c(srcref = "srcref"))

Arguments

x

A data.frame, as produced by as.data.frame applied to a list_of_srcref, against which y should be joined.

y

A data.frame, as produced by as.data.frame applied to a list_of_srcref, joining data from srcrefs data which encompasses srcrefs from x.

by

A named character vector of column names to use for the merge. The name should be the name of the column from the left data.frame containing a list_of_srcref column, and the value should be the name of a column from the right data.frame containing a list_of_srcref column.

Value

A data.frame of x joined on y by spanning srcref