1 | class LoadError < ScriptError; end
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2 |
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3 | begin
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4 | eval "1", nil
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5 | def _require_eval_load(*args)
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6 | self.eval(*args)
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7 | end
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8 | rescue ArgumentError
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9 | def _require_eval_load(*args)
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10 | self.eval(args[0])
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11 | end
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12 | end
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13 |
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14 | module Kernel
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15 | def load(path)
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16 | raise TypeError unless path.class == String
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17 |
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18 | if File.exist?(path) && File.extname(path) == ".mrb"
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19 | _load_mrb_file path
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20 | elsif File.exist?(path)
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21 | # _load_rb_str File.open(path).read.to_s, path
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22 | _require_eval_load File.open(path).read.to_s, nil, path
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23 | else
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24 | raise LoadError.new "File not found -- #{path}"
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25 | end
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26 |
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27 | true
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28 | end
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29 |
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30 | def require(path)
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31 | raise TypeError unless path.class == String
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32 |
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33 | # require method can load .rb, .mrb or without-ext filename only.
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34 | unless ["", ".rb", ".mrb"].include? File.extname(path)
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35 | raise LoadError.new "cannot load such file -- #{path}"
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36 | end
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37 |
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38 | filenames = []
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39 | if File.extname(path).size == 0
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40 | filenames << "#{path}.rb"
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41 | filenames << "#{path}.mrb"
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42 | else
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43 | filenames << path
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44 | end
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45 |
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46 | dir = nil
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47 | filename = nil
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48 | if ['/', '.'].include? path[0]
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49 | path0 = filenames.find do |fname|
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50 | File.file?(fname) && File.exist?(fname)
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51 | end
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52 | else
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53 | dir = ($LOAD_PATH || []).find do |dir0|
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54 | filename = filenames.find do |fname|
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55 | path0 = File.join dir0, fname
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56 | File.file?(path0) && File.exist?(path0)
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57 | end
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58 | end
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59 | path0 = dir && filename ? File.join(dir, filename) : nil
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60 | end
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61 |
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62 | if path0 && File.exist?(path0) && File.file?(path0)
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63 | __require__ path0
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64 | else
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65 | raise LoadError.new "cannot load such file -- #{path}"
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66 | end
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67 | end
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68 |
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69 | def __require__(realpath)
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70 | raise LoadError.new "File not found -- #{realpath}" unless File.exist? realpath
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71 | $" ||= []
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72 | $__mruby_loading_files__ ||= []
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73 |
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74 | # already required
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75 | return false if ($" + $__mruby_loading_files__).include?(realpath)
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76 |
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77 | $__mruby_loading_files__ << realpath
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78 | load realpath
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79 | $" << realpath
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80 | $__mruby_loading_files__.delete realpath
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81 |
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82 | true
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83 | end
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84 | end
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85 |
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86 |
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87 | $LOAD_PATH ||= []
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88 | $LOAD_PATH << '.'
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89 |
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90 | if Object.const_defined?(:ENV)
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91 | $LOAD_PATH.unshift(*ENV['MRBLIB'].split(':')) unless ENV['MRBLIB'].nil?
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92 | end
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93 |
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94 | $LOAD_PATH.uniq!
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95 |
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96 | $" ||= []
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97 | $__mruby_loading_files__ ||= []
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