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Contents
module JsDuck
class Override
def initialize(classes_hash)
@classes_hash = classes_hash
end
# Applies all override classes to target classes
# Returns all the processed override classes.
def process_all!
overrides = []
@classes_hash.each_value do |cls|
if cls[:override]
process(cls)
overrides << cls
end
end
overrides
end
private
# Applies override class to target class
def process(override)
target = @classes_hash[override[:override]]
unless target
ctx = override[:files][0]
return Logger.warn(:extend, "Class #{override[:override]} not found", ctx[:filename], ctx[:linenr])
end
# Combine comments of classes
if override[:doc].length > 0
add_doc(target, "**From override #{override[:name]}:** " + override[:doc])
end
target[:files] += override[:files]
# Build lookup table of existing members
existing = {}
each_member(target) do |m|
existing[m[:id]] = m
end
# When the same member exists in overridden class, just append
# the docs. Otherwise add the member as a whole to the class.
each_member(override) do |m|
ex = existing[m[:id]]
if ex
if m[:doc].length > 0
add_doc(ex, "**From override #{override[:name]}:** " + m[:doc])
else
add_doc(ex, "**Overridden in #{override[:name]}.**")
end
ex[:files] += m[:files]
else
add_member(target, m)
add_doc(m, "**Defined in override #{override[:name]}.**")
m[:owner] = target[:name]
end
end
end
# helpers
def each_member(cls)
cls[:members].each {|m| yield m }
end
def add_member(cls, m)
cls[:members] << m
end
def add_doc(m, doc)
m[:doc] = (m[:doc] + "\n\n" + doc).strip
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems