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# frozen_string_literal: true
module SyntaxSuggest
# This class is responsible for taking a code block that exists
# at a far indentaion and then iteratively increasing the block
# so that it captures everything within the same indentation block.
#
# def dog
# puts "bow"
# puts "wow"
# end
#
# block = BlockExpand.new(code_lines: code_lines)
# .call(CodeBlock.new(lines: code_lines[1]))
#
# puts block.to_s
# # => puts "bow"
# puts "wow"
#
#
# Once a code block has captured everything at a given indentation level
# then it will expand to capture surrounding indentation.
#
# block = BlockExpand.new(code_lines: code_lines)
# .call(block)
#
# block.to_s
# # => def dog
# puts "bow"
# puts "wow"
# end
#
class BlockExpand
def initialize(code_lines:)
@code_lines = code_lines
end
def call(block)
if (next_block = expand_neighbors(block))
return next_block
end
expand_indent(block)
end
def expand_indent(block)
AroundBlockScan.new(code_lines: @code_lines, block: block)
.skip(:hidden?)
.stop_after_kw
.scan_adjacent_indent
.code_block
end
def expand_neighbors(block)
expanded_lines = AroundBlockScan.new(code_lines: @code_lines, block: block)
.skip(:hidden?)
.stop_after_kw
.scan_neighbors
.scan_while { |line| line.empty? } # Slurp up empties
.lines
if block.lines == expanded_lines
nil
else
CodeBlock.new(lines: expanded_lines)
end
end
# Managable rspec errors
def inspect
"#<SyntaxSuggest::CodeBlock:0x0000123843lol >"
end
end
end
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