class Covered::Source
The source map, loads the source file, parses the AST to generate which lines contain executable code.
Attributes
paths[R]
Public Class Methods
new(output)
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Calls superclass method
# File lib/covered/source.rb, line 29 def initialize(output) super(output) @paths = {} @mutex = Mutex.new @annotations = {} begin @trace = TracePoint.new(:script_compiled) do |event| if path = event.instruction_sequence.path and source = event.eval_script @mutex.synchronize do @paths[path] = source end end end rescue warn "Script coverage disabled: #{$!}" @trace = nil end end
Public Instance Methods
disable()
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Calls superclass method
# File lib/covered/source.rb, line 57 def disable @trace&.disable super end
each() { |freeze| ... }
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# File lib/covered/source.rb, line 108 def each(&block) @output.each do |coverage| if top = parse(coverage.path) self.expand(top, coverage) end yield coverage.freeze end end
enable()
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Calls superclass method
# File lib/covered/source.rb, line 51 def enable super @trace&.enable end
executable?(node)
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# File lib/covered/source.rb, line 65 def executable?(node) node.type == :send end
expand(node, coverage, level = 0)
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# File lib/covered/source.rb, line 73 def expand(node, coverage, level = 0) if node.is_a? Parser::AST::Node if ignore?(node) coverage.annotate(node.location.line, "ignoring #{node.type}") else if executable?(node) # coverage.annotate(node.first_lineno, "executable #{node.type}") coverage.counts[node.location.line] ||= 0 else # coverage.annotate(node.first_lineno, "not executable #{node.type}") end expand(node.children, coverage, level + 1) end elsif node.is_a? Array node.each do |child| expand(child, coverage, level) end else return false end end
ignore?(node)
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# File lib/covered/source.rb, line 69 def ignore?(node) node.nil? or node.type == :arg end
parse(path)
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# File lib/covered/source.rb, line 96 def parse(path) if source = @paths[path] Parser::CurrentRuby.parse(source) elsif File.exist?(path) Parser::CurrentRuby.parse_file(path) else warn "Couldn't parse #{path}, file doesn't exist?" end rescue warn "Couldn't parse #{path}: #{$!}" end