Metadata to highlight the span of a MIR BasicBlock, Statement, or Terminator.
Format a string showing the start line and column, and end line and column within a file.
Generate a spanview HTML+CSS document for the given local function
def_id, and a pre-generated
Write a spanview HTML+CSS file to analyze MIR element spans.
Recursively process each ordered span. Spans that overlap will have progressively varying
styles, such as increased padding for each overlap. Non-overlapping adjacent spans will
have alternating style choices, to help distinguish between them if, visually adjacent.
layer is incremented for each overlap, and the
alt bool alternates between true
and false, for each adjacent non-overlapping span. Source code between the spans (code
that is not in any coverage region) has neutral styling.