Module: DslEvaluator::Printer::Concern

Included in:
DslEvaluator
Defined in:
lib/dsl_evaluator/printer/concern.rb

Instance Method Summary collapse

Instance Method Details

#check_line_number!(line_number) ⇒ Object 



45
46
47
48
49
50
51
52
53
 
# File 'lib/dsl_evaluator/printer/concern.rb', line 45

def check_line_number!(line_number)
  return line_number unless line_number.is_a?(String)
  integer = line_number.to_i
  if integer == 0
    logger.error "ERROR: Think you accidentally passed in a String for the line_number: #{line_number}".color(:red)
    puts caller
    exit 1
  end
end

#pretty_home(path) ⇒ Object

Replace HOME with ~ - different from the main pretty_path



60
61
62
 
# File 'lib/dsl_evaluator/printer/concern.rb', line 60

def pretty_home(path)
  path.sub(ENV["HOME"], "~")
end

#pretty_path(path) ⇒ Object 



55
56
57
 
# File 'lib/dsl_evaluator/printer/concern.rb', line 55

def pretty_path(path)
  path.sub("#{Dir.pwd}/", "").sub(/^\.\//, "")
end

#print_code(*args) ⇒ Object

So other libraries can use this method The ‘print_code` method understands “polymorphic” arguments. See README.md



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/dsl_evaluator/printer/concern.rb', line 6

def print_code(*args)
  if args.size == 2 # print_code(path, line_number)
    path, line_number = args
  else # print_code(caller_line)
    # IE: .ufo/config/web/dev.rb:10:in `block in evaluate_file'
    # User passed in a "standard" ruby backtrace call line
    #   windows: "C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/terraspace-1.1.1/lib/terraspace/builder.rb:34:in `build'"
    #   linux: "/home/ec2-user/.rvm/gems/ruby-3.0.3/gems/terraspace-1.1.1/lib/terraspace/compiler/dsl/syntax/mod.rb:4:in `<module:Mod>'"
    caller_line = args[0]
    parts = caller_line.split(":")
    is_windows = caller_line.match(/^[a-zA-Z]:/)  # windows vs linux
    calling_file = is_windows ? parts[1] : parts[0]
    line_number = is_windows ? parts[2] : parts[1]
    path = calling_file
  end

  check_line_number!(line_number)
  line_number = line_number.to_i

  logger.info "Here's the original caller line #{line_number} from:"
  logger.info pretty_path(path).color(:green)

  contents = IO.read(path)
  content_lines = contents.split("\n")
  context = 5 # lines of context
  top, bottom = [line_number - context - 1, 0].max, line_number + context - 1
  lpad = content_lines.size.to_s.size
  content_lines[top..bottom].each_with_index do |line_content, index|
    current_line = top + index + 1
    if current_line == line_number
      printf("%#{lpad}d %s\n".color(:red), current_line, line_content)
    else
      printf("%#{lpad}d %s\n", current_line, line_content)
    end
  end

  logger.info "Rerun with FULL_BACKTRACE=1 to see full backtrace" unless ENV["FULL_BACKTRACE"]
end