Sha256: e33618098ad2b8c93c05cd5b1d9ead0c35912310b15724416b076172792f945e
Contents?: true
Size: 1.18 KB
Versions: 31
Compression:
Stored size: 1.18 KB
Contents
class Lono::Template
module Evaluate
def evaluate_template_path(path)
return unless File.exist?(path)
begin
instance_eval(File.read(path), path)
rescue Exception => e
template_evaluation_error(e)
puts "\nFull error:"
raise
end
end
# Prints out a user friendly task_definition error message
def template_evaluation_error(e)
error_info = e.backtrace.first
path, line_no, _ = error_info.split(':')
line_no = line_no.to_i
puts "Error evaluating #{path}:".color(:red)
puts e.message
puts "Here's the line in #{path} with the error:\n\n"
contents = IO.read(path)
content_lines = contents.split("\n")
context = 5 # lines of context
top, bottom = [line_no-context-1, 0].max, line_no+context-1
spacing = content_lines.size.to_s.size
content_lines[top..bottom].each_with_index do |line_content, index|
line_number = top+index+1
if line_number == line_no
printf("%#{spacing}d %s\n".color(:red), line_number, line_content)
else
printf("%#{spacing}d %s\n", line_number, line_content)
end
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems