TracePoint Tips Talk

Ruby の TracePoint についてサンプルコードを混ぜながら紹介します。

Transcript

1. TracePoint Tips Talk 2018/03/10 (౔) ԭೄRubyձٞ02 ླྀٿେֶ ޻ֶ෦ 1 ߸ؗ େڭࣨ 321 / 322
2. ࣗݾ঺հ ໊લ : ۄد मҰ ॴଐ : YassLab גࣜձࣾ Twitter : @_simanman GitHub : siman-man Rubyྺ : 7೥͙Β͍
3. TracePoint ஌ͬͯ·͔͢
4. TracePointʹ͍ͭͯ ɾRuby ͷ૊ΈࠐΈͷΫϥε ɾRuby 2.0 ͔Βར༻Մೳ ɾRuby ͷ༷ʑͳΠϕϯτΛϑοΫग़དྷΔ ɾ஌໊౓͕ڪΖ͘͠௿͍
5. TracePointʹ͍ͭͯ ɾRuby 2.0 ͔Βར༻Մೳ ɾRuby ͷ૊ΈࠐΈͷΫϥε ɾRuby ͷ༷ʑͳΠϕϯτΛϑοΫग़དྷΔ ɾ஌໊౓͕ڪΖ͘͠௿͍
6. TracePointʹ͍ͭͯ ɾRuby ͷ૊ΈࠐΈͷΫϥε ɾRuby 2.0 ͔Βར༻Մೳ ɾRuby ͷ༷ʑͳΠϕϯτΛϑοΫग़དྷΔ ɾ஌໊౓͕ڪΖ͘͠௿͍
7. TracePointʹ͍ͭͯ ɾRuby ͷ૊ΈࠐΈͷΫϥε ɾRuby 2.0 ͔Βར༻Մೳ ɾRuby ͷ༷ʑͳΠϕϯτΛϑοΫग़དྷΔ ɾ஌໊౓͕ڪΖ͘͠௿͍
8. TracePointʹ͍ͭͯ ɾRuby ͷ૊ΈࠐΈͷΫϥε ɾRuby 2.0 ͔Βར༻Մೳ ɾRuby ͷ༷ʑͳΠϕϯτΛϑοΫग़དྷΔ ɾ஌໊౓͕ڪΖ͘͠௿͍
9. ஌໊౓ͷ௿͞ "ΫοΫύου։ൃऀϒϩά", "Ruby 2.5 ͷվળΛࣗຫ͍ͨ͠", http://techlife.cookpad.com/entry/2017/12/28/113839
10. ஌໊౓ͷ௿͞ "ΫοΫύου։ൃऀϒϩά", "Ruby 2.5 ͷվળΛࣗຫ͍ͨ͠", http://techlife.cookpad.com/entry/2017/12/28/113839
11. ஌໊౓ͷ௿͞ "ΫοΫύου։ൃऀϒϩά", "Ruby 2.5 ͷվળΛࣗຫ͍ͨ͠", http://techlife.cookpad.com/entry/2017/12/28/113839
12. ൃද಺༰ ɾαϯϓϧίʔυͷ঺հ ɾTracePoint ʹ͍ͭͯͷ঺հ
13. ൃද಺༰ ɾαϯϓϧίʔυͷ঺հ ɾTracePoint ʹ͍ͭͯͷ঺հ
14. TracePoint ʹ͍ͭͯ ৭ʑͳΠϕϯτΛϑοΫͰ͖ΔΑ͏ʹͳΔศརػೳ
15. Ruby ʹଘࡏ͢Δ༷ʑͳϑοΫϝιου Πϕϯτ ݺͼग़͞ΕΔλΠϛϯά method_missing ଘࡏ͠ͳ͍ϝιου͕ݺͼग़͞Εͨ࣌ const_missing ଘࡏ͠ͳ͍ఆ਺Λࢀরͨ࣌͠ respond_to_missing? respond_to? ͷ݁Ռ͕ false ͷ࣌ method_added ϝιου͕௥Ճ͞Εͨ࣌ method_removed ϝιου͕ remove_method ʹΑͬͯ࡟আ͞Εͨ࣌ method_undefined ϝιου͕ undef_method ͔ undef ʹΑͬͯ࡟আ͞Εͨ࣌ singleton_method_added ಛҟϝιου͕௥Ճ͞Εͨ࣌ singleton_method_removed ಛҟϝιου͕ remove_method ʹΑͬͯ࡟আ͞Εͨ࣌ singleton_method_undefined ಛҟϝιου͕ undef_method ͔ undef ʹΑͬͯ࡟আ͞Εͨ࣌ prepend_features Module#prepend ͷ࣮ମ prepended Module#prepend ͨ͠ޙ append_features Module#include ͷ࣮ମ included Module#include ͨ͠ޙ extend_object Object#extend ͷ࣮ମ extended Object#extend ͨ͠ޙ inherited ΫϥεͷαϒΫϥε͕ఆٛ͞Εͨ࣌ at_exit ϓϩάϥϜऴྃ࣌ "Qiita", "Ruby ͰϑοΫͰ͖ΔΠϕϯτҰཡ", https://qiita.com/siman/items/b6895d0826d5e83fd9cb
16. TracePoint Ͱ͞Βʹ৭ʑͳΠϕϯτ͕ϑοΫՄೳʹͳΔ "TracePointΫϥε", "ϓϩάϥϛϯάݴޠ Ruby ϦϑΝϨϯεϚχϡΞϧ", https://docs.ruby-lang.org/ja/latest/class/TracePoint.html Πϕϯτ આ໌ :line ࣜͷධՁ :class ΫϥεఆٛɺಛҟΫϥεఆٛɺϞδϡʔϧఆٛ΁ͷಥೖ :end ΫϥεఆٛɺಛҟΫϥεఆٛɺϞδϡʔϧఆٛͷऴྃ :call Ruby Ͱهड़͞Εͨϝιουͷݺͼग़͠ :return Ruby Ͱهड़͞Εͨϝιουݺͼग़͔͠ΒͷϦλʔϯ :c_call C Ͱهड़͞Εͨϝιουͷݺͼग़͠ :c_return CͰهड़͞Εͨϝιουݺͼग़͔͠ΒͷϦλʔϯ :raise ྫ֎ͷൃੜ :b_call ϒϩοΫͷ։࢝ :b_return ϒϩοΫͷऴྃ :thread_begin εϨουͷ։࢝ :thread_end εϨουͷऴྃ :fiber_switch ϑΝΠόʔͷ੾Γସ͑
17. TracePoint Ͱ͞Βʹ৭ʑͳΠϕϯτ͕ϑοΫՄೳʹͳΔ Πϕϯτ આ໌ :line ࣜͷධՁ :class ΫϥεఆٛɺಛҟΫϥεఆٛɺϞδϡʔϧఆٛ΁ͷಥೖ :end ΫϥεఆٛɺಛҟΫϥεఆٛɺϞδϡʔϧఆٛͷऴྃ :call Ruby Ͱهड़͞Εͨϝιουͷݺͼग़͠ :return Ruby Ͱهड़͞Εͨϝιουݺͼग़͔͠ΒͷϦλʔϯ :c_call C Ͱهड़͞Εͨϝιουͷݺͼग़͠ :c_return CͰهड़͞Εͨϝιουݺͼग़͔͠ΒͷϦλʔϯ :raise ྫ֎ͷൃੜ :b_call ϒϩοΫͷ։࢝ :b_return ϒϩοΫͷऴྃ :thread_begin εϨουͷ։࢝ :thread_end εϨουͷऴྃ :fiber_switch ϑΝΠόʔͷ੾Γସ͑ ࠓճ঺հग़དྷΔͷ͸͘͝Θ͔ͣ "TracePointΫϥε", "ϓϩάϥϛϯάݴޠ Ruby ϦϑΝϨϯεϚχϡΞϧ", https://docs.ruby-lang.org/ja/latest/class/TracePoint.html
18. TracePoint Ͱ࢖͑Δϝιου ϝιου໊ આ໌ binding binding ΦϒδΣΫτΛฦ͢ defined_class ϝιουΛఆٛͨ͠Ϋϥε͔ϞδϡʔϧΛฦ͢ disable τϨʔεΛແޮʹ͢Δ enable τϨʔεΛ༗ޮʹ͢Δ enabled? τϨʔε͕༗ޮ͔Ͳ͏͔Λௐ΂Δ event ൃੜͨ͠ΠϕϯτͷछྨΛฦ͢ inspect self ͷঢ়ଶΛਓ͕ؒಡΈ΍͍͢΋ͷʹͯ͘͠ΕΔ lineno Πϕϯτ͕ൃੜͨ͠ߦ൪߸Λฦ͢ method_id Πϕϯτ͕ൃੜͨ͠ϝιου໊Λฦ͢ path Πϕϯτ͕ൃੜͨ͠ϑΝΠϧͷύεΛฦ͢ raised_exception ൃੜͨ͠ྫ֎Λฦ͢ return_value ϝιου΍ϒϩοΫͷ໭Γ஋Λฦ͢ self ΠϕϯτΛൃੜͤͨ͞ΦϒδΣΫτΛฦ͢ "TracePointΫϥε", "ϓϩάϥϛϯάݴޠ Ruby ϦϑΝϨϯεϚχϡΞϧ", https://docs.ruby-lang.org/ja/latest/class/TracePoint.html
19. TracePoint Ͱ࢖͑Δϝιου ϝιου໊ આ໌ binding binding ΦϒδΣΫτΛฦ͢ defined_class ϝιουΛఆٛͨ͠Ϋϥε͔ϞδϡʔϧΛฦ͢ disable τϨʔεΛແޮʹ͢Δ enable τϨʔεΛ༗ޮʹ͢Δ enabled? τϨʔε͕༗ޮ͔Ͳ͏͔Λௐ΂Δ event ൃੜͨ͠ΠϕϯτͷछྨΛฦ͢ inspect self ͷঢ়ଶΛਓ͕ؒಡΈ΍͍͢΋ͷʹͯ͘͠ΕΔ lineno Πϕϯτ͕ൃੜͨ͠ߦ൪߸Λฦ͢ method_id Πϕϯτ͕ൃੜͨ͠ϝιου໊Λฦ͢ path Πϕϯτ͕ൃੜͨ͠ϑΝΠϧͷύεΛฦ͢ raised_exception ൃੜͨ͠ྫ֎Λฦ͢ return_value ϝιου΍ϒϩοΫͷ໭Γ஋Λฦ͢ self ΠϕϯτΛൃੜͤͨ͞ΦϒδΣΫτΛฦ͢ ͪ͜Β΋ࠓճ঺հग़དྷΔͷ͸͘͝Θ͔ͣ "TracePointΫϥε", "ϓϩάϥϛϯάݴޠ Ruby ϦϑΝϨϯεϚχϡΞϧ", https://docs.ruby-lang.org/ja/latest/class/TracePoint.html
20. Binding Ͱ࢖͑Δϝιου ϝιου໊ આ໌ eval self ΛίϯςΩετͱͯ͠౉͞ΕͨจࣈྻΛධՁͦ͠ͷ݁ՌΛฦ͢ local_variable_defined? Ҿ਺Ͱ౉͞Ε໊ͨલͷม਺͕ఆٛ͞Ε͍ͯΔ͔Ͳ͏͔Λ൑ఆ͢Δ local_variable_get Ҿ਺Ͱ౉͞Ε໊ͨલͷม਺ͷ஋Λऔಘ͢Δ local_variable_set ୈҰҾ਺Ͱࢦఆ໊ͨ͠લͷม਺ʹୈೋҾ਺Ͱ౉͞Εͨ஋Λઃఆ͢Δ local_variables ϩʔΧϧม਺ͷҰཡΛऔಘ͠·͢ receiver อ࣋͢ΔίϯςΩετ಺Ͱͷ self Λฦ͠·͢ "TracePointΫϥε", "ϓϩάϥϛϯάݴޠ Ruby ϦϑΝϨϯεϚχϡΞϧ", https://docs.ruby-lang.org/ja/latest/class/TracePoint.html
21. Binding Ͱ࢖͑Δϝιου ϝιου໊ આ໌ eval self ΛίϯςΩετͱͯ͠౉͞ΕͨจࣈྻΛධՁͦ͠ͷ݁ՌΛฦ͢ local_variable_defined? Ҿ਺Ͱ౉͞Ε໊ͨલͷม਺͕ఆٛ͞Ε͍ͯΔ͔Ͳ͏͔Λ൑ఆ͢Δ local_variable_get Ҿ਺Ͱ౉͞Ε໊ͨલͷม਺ͷ஋Λऔಘ͢Δ local_variable_set ୈҰҾ਺Ͱࢦఆ໊ͨ͠લͷม਺ʹୈೋҾ਺Ͱ౉͞Εͨ஋Λઃఆ͢Δ local_variables ϩʔΧϧม਺ͷҰཡΛऔಘ͠·͢ receiver อ࣋͢ΔίϯςΩετ಺Ͱͷ self Λฦ͠·͢ ޙ΄Ͳొ৔ "TracePointΫϥε", "ϓϩάϥϛϯάݴޠ Ruby ϦϑΝϨϯεϚχϡΞϧ", https://docs.ruby-lang.org/ja/latest/class/TracePoint.html
22. τϨʔεͷ։࢝ํ๏
23. τϨʔεͷ։࢝ํ๏ 1. trace Λར༻ͯ͠։࢝͢Δ 2. TracePoint ΦϒδΣΫτΛ࡞੒ͯ͠ enable Ͱ։࢝͢Δ
24. τϨʔεͷ։࢝ํ๏ 2. ෳ਺ͷΠϕϯτΛࢦఆ͢Δ͜ͱ͕Մೳ 1. Ҿ਺ͰϑοΫ͍ͨ͠ΠϕϯτΛࢦఆग़དྷΔ
25. ͱ͜ΖͰ
26. ໰୊ https://twitter.com/mametter/status/966539432366030850
27. ໰୊ ౸ୡෆՄೳʹݟ͑Δ͕... https://twitter.com/mametter/status/966539432366030850
28. 1ͭͷղ๏ ౸ୡͰ͖Δɻͦ͏ɺTracePoint ͳΒͶɻ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
29. 1ͭͷղ๏ :line ࣜͷධՁ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
30. ΠϕϯτൃੜϙΠϯτ :line ࣜͷධՁ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
31. 1ͭͷղ๏ ϝιου͕ݺͼग़͞ΕΔ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
32. 1ͭͷղ๏ if ࣜʹ౸ண Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
33. 1ͭͷղ๏ ੺࿮ͷ෦෼͕࣮ߦ͞ΕΔ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
34. 1ͭͷղ๏ ϝιου໊ આ໌ binding binding ΦϒδΣΫτΛฦ͢ lineno Πϕϯτ͕ൃੜͨ͠ߦ൪߸Λฦ͢ ར༻͍ͯ͠Δ TracePoint ͷϝιου ϝιου໊ આ໌ local_variable_set ୈҰҾ਺Ͱࢦఆ໊ͨ͠લͷม਺ʹୈೋҾ਺Ͱ౉͞Εͨ஋Λઃఆ͢Δ ར༻͍ͯ͠Δ Binding ͷϝιου Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
35. 1ͭͷղ๏ local_variable_set Λ࢖ͬͯ x ͷ஋Λॻ͖ม͑Δ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
36. 1ͭͷղ๏ x ͷ஋͸ true ʹͳ͍ͬͯΔͷͰ if ͷ৚݅Λύε͢Δ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
37. 1ͭͷղ๏ unless ࣜʹ౸ୡ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
38. 1ͭͷղ๏ ࠶౓ local_variable_set Λ࢖༻ͯ͠ x Λ false ʹॻ͖ม͑ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
39. 1ͭͷղ๏ x ͷ஋͸ false ʹͳ͍ͬͯΔͷͰ unless ͷ৚݅Λύε͢Δ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
40. 1ͭͷղ๏ ແࣄ౸ୡʂ Qiita, "RubyͰif xʹωετͨ͠unless xͷதʹ࣮ߦ౸ୡ͢Δํ๏", https://qiita.com/hanachin_/items/4415c178f2980aa23dd6
41. ൃද಺༰ ɾαϯϓϧίʔυͷ঺հ ɾTracePoint ʹ͍ͭͯͷ঺հ
42. αϯϓϧίʔυͷ঺հ ɾܕνΣοΫ ɾίʔϧελοΫΛදࣔ͢Δ
43. αϯϓϧίʔυͷ঺հ ɾܕνΣοΫ ɾίʔϧελοΫΛදࣔ͢Δ
44. ίʔϧελοΫΛදࣔ͢Δ "GitHub", "method_call_tree", https://github.com/siman-man/method_call_tree ͜Μͳײ͡ͰίʔυΛॻ͘ͱ
45. ίʔϧελοΫΛදࣔ͢Δ ͜Μͳײ͡Ͱදࣔ͞ΕΔ "GitHub", "method_call_tree", https://github.com/siman-man/method_call_tree
46. ίʔϧελοΫΛදࣔ͢Δ ͜Μͳײ͡ͰίʔυΛॻ͘ͱ "GitHub", "method_call_tree", https://github.com/siman-man/method_call_tree
47. ίʔϧελοΫΛදࣔ͢Δ ͜Μͳײ͡Ͱදࣔ͞ΕΔ ͜Μͳײ͡ͰίʔυΛॻ͘ͱ "GitHub", "method_call_tree", https://github.com/siman-man/method_call_tree
48. ࢓૊Έʹ͍ͭͯ αϯϓϧ༻ίʔυ ຊମίʔυ method_call_tree ಺෦Ͱ͸΋͏গ͠ෳࡶʹͳ͍ͬͯΔ
49. ࢓૊Έʹ͍ͭͯ Foo#fooͷݺͼग़͠
50. ࢓૊Έʹ͍ͭͯ call ΠϕϯτΛड͚औΔ
51. ࢓૊Έʹ͍ͭͯ Ͳ͔͜Βݺͼग़͞Ε͔ͨΛจࣈྻͰදݱ ࠓճͷྫͩͱ "ݺͼग़͠ݩͷΫϥε" + "ϝιου໊" "Foo::foo"
52. ࢓૊Έʹ͍ͭͯ ݺͼग़͞ΕํΛϋογϡͷωετͰදݱ
53. ࢓૊Έʹ͍ͭͯ tree = { } ݺͼग़͞ΕํΛϋογϡͷωετͰදݱ
54. ࢓૊Έʹ͍ͭͯ tree = { "Foo::foo": { } } ݺͼग़͞ΕํΛϋογϡͷωετͰදݱ
55. ࢓૊Έʹ͍ͭͯ call_stack ʹ key Λ௥Ճ Foo::foo
56. ࢓૊Έʹ͍ͭͯ Foo::foo call_stack ʹ key Λ௥Ճ
57. ࢓૊Έʹ͍ͭͯ Foo#barͷݺͼग़͠
58. ࢓૊Έʹ͍ͭͯ call ΠϕϯτΛड͚औΔ
59. ࢓૊Έʹ͍ͭͯ Ͳ͔͜Βݺͼग़͞Ε͔ͨΛจࣈྻͰදݱ "Foo::bar"
60. ࢓૊Έʹ͍ͭͯ tree = { "Foo::foo": { } } ݺͼग़͞ΕํΛϋογϡͷωετͰදݱ Foo::foo
61. ࢓૊Έʹ͍ͭͯ tree = { "Foo::foo": { } } ݺͼग़͞ΕํΛϋογϡͷωετͰදݱ Foo::foo
62. ࢓૊Έʹ͍ͭͯ tree = { "Foo::foo": { } } ݺͼग़͞ΕํΛϋογϡͷωετͰදݱ Foo::foo
63. ࢓૊Έʹ͍ͭͯ tree = { "Foo::foo": { "Foo::bar": { } } } Foo::foo
64. ࢓૊Έʹ͍ͭͯ call_stack ʹ key Λ௥Ճ Foo::bar Foo::foo
65. ࢓૊Έʹ͍ͭͯ Foo::foo Foo::bar call_stack ʹ key Λ௥Ճ
66. ࢓૊Έʹ͍ͭͯ Foo#barͷݺͼग़͕͠ऴྃ
67. ࢓૊Έʹ͍ͭͯ return ΠϕϯτΛड͚औΔ
68. ࢓૊Έʹ͍ͭͯ call_stack ͔Β key ΛऔΓग़͢ Foo::foo Foo::bar
69. ࢓૊Έʹ͍ͭͯ call_stack ͔Β key ΛऔΓग़͢ Foo::foo
70. ࢓૊Έʹ͍ͭͯ ͜ͷૢ࡞Λ࠷ޙ·ͰਐΊΔͱɻɻɻ
71. ࢓૊Έʹ͍ͭͯ tree = { "Foo::foo": { "Foo::bar": { }, "Foo::baz": { "Foo::hoge": { } } } } ࠷ऴతͳ tree ͷ஋͕͜͏ͳΔ
72. ࢓૊Έʹ͍ͭͯ tree ίϚϯυͬΆ͘දࣔͤ͞Δ tree = { "Foo::foo": { "Foo::bar": { }, "Foo::baz": { "Foo::hoge": { } } } }
73. αϯϓϧίʔυͷ঺հ ɾܕνΣοΫ ɾίʔϧελοΫΛදࣔ͢Δ
74. ܕνΣοΫ ɾϝιουͷฦΓ஋Λௐ΂Δ ɾϝιουͷҾ਺ͷ஋Λௐ΂Δ
75. ܕνΣοΫ ɾϝιουͷฦΓ஋Λௐ΂Δ ɾϝιουͷҾ਺ͷ஋Λௐ΂Δ
76. ϝιουͷҾ਺ͷ஋Λௐ΂Δ ࣮ߦ݁Ռ Ҿ਺Λௐ΂ΔͨΊͷίʔυ
77. ϝιουͷҾ਺ͷ஋Λௐ΂Δ ϝιου໊ આ໌ eval self ΛίϯςΩετͱͯ͠౉͞ΕͨจࣈྻΛධՁͦ͠ͷ݁ՌΛฦ͢ local_variable_get Ҿ਺Ͱ౉͞Ε໊ͨલͷม਺ͷ஋Λऔಘ͢Δ ར༻͍ͯ͠Δ Binding ͷϝιου
78. ϝιουͷҾ਺ͷ஋Λௐ΂Δ ϝιου໊ આ໌ eval self ΛίϯςΩετͱͯ͠౉͞ΕͨจࣈྻΛධՁͦ͠ͷ݁ՌΛฦ͢ local_variable_get Ҿ਺Ͱ౉͞Ε໊ͨલͷม਺ͷ஋Λऔಘ͢Δ ར༻͍ͯ͠Δ Binding ͷϝιου ྗٕͰҾ਺ͷҰཡΛऔΔ
79. ϝιουͷҾ਺ͷ஋Λௐ΂Δ ϝιου໊ આ໌ eval self ΛίϯςΩετͱͯ͠౉͞ΕͨจࣈྻΛධՁͦ͠ͷ݁ՌΛฦ͢ local_variable_get Ҿ਺Ͱ౉͞Ε໊ͨલͷม਺ͷ஋Λऔಘ͢Δ ར༻͍ͯ͠Δ Binding ͷϝιου ͜ͷۭؒʹ͍ΔલఏͰධՁ͞ΕΔ
80. Ҿ਺ͷҰཡΛऔಘ [:message] ϝιουͷҾ਺ͷ஋Λௐ΂Δ
81. ϝιουͷҾ਺ͷ஋Λௐ΂Δ ม਺ͷ஋Λௐ΂Δ
82. ϝιουͷҾ਺ͷ஋Λௐ΂Δ ݁ՌΛग़ྗ͢Δ
83. ܕνΣοΫ ɾϝιουͷฦΓ஋Λௐ΂Δ ɾϝιουͷҾ਺ͷ஋Λௐ΂Δ
84. ϝιουͷฦΓ஋Λௐ΂Δ ࣮ߦ݁Ռ ฦΓ஋Λௐ΂ΔͨΊͷίʔυ
85. ϝιου໊ આ໌ return_value ϝιου΍ϒϩοΫͷ໭Γ஋Λฦ͢ ར༻͍ͯ͠Δ TracePointͷϝιου ϝιουͷฦΓ஋Λௐ΂Δ
86. ܕνΣοΫ ͪͳΈʹ
87. return_value ͷॻ͖׵͑ return_value ͷ஋Λഁյతʹมߋ͢Δ͜ͱͰɺϝιουͷฦΓ஋Λม͑Δ͜ͱ͕ग़དྷΔ upcase ͍ͯ͠Δͷʹখจࣈ͕ग़ྗ͞ΕΔ
88. ͜Μͳόάʹग़ձͬͯ΋ upcase ͍ͯ͠Δͷʹখจࣈ͕ฦͬͯ͘Δ...
89. TracePoint Λ஌͍ͬͯΔͱແࣄղܾ TracePoint Ͱ c_return ͷΠϕϯτΛϑοΫͯ͠ɺ method_id ͕ "upcase" ͷ৔߹ʹ return_value ͷ஋Λ downcase! Ͱഁյతʹมߋ͍ͯͨ͠ͷ͕ݪҼ͔ʙ Α͔ͬͨʂ
90. ܕνΣοΫ ؆қతʹܕνΣοΫΛߦͳ͏αϯϓϧίʔυ string2symbol ͕จࣈྻΛҾ਺ʹͱͬͯγϯϘϧΛฦ͢͜ͱΛظ଴͢Δ
91. ܕνΣοΫ ؆қతʹܕνΣοΫΛߦͳ͏αϯϓϧίʔυ string2symbol ͕จࣈྻΛҾ਺ʹͱͬͯγϯϘϧΛฦ͢͜ͱΛظ଴͢Δ จࣈྻΛड͚औͬͯ Symbol Λฦ͢
92. ܕνΣοΫ ؆қతʹܕνΣοΫΛߦͳ͏αϯϓϧίʔυ string2symbol ͕จࣈྻΛҾ਺ʹͱͬͯγϯϘϧΛฦ͢͜ͱΛظ଴͢Δ Ҿ਺ΛνΣοΫ͢Δ෦෼
93. ܕνΣοΫ ؆қతʹܕνΣοΫΛߦͳ͏αϯϓϧίʔυ string2symbol ͕จࣈྻΛҾ਺ʹͱͬͯγϯϘϧΛฦ͢͜ͱΛظ଴͢Δ ฦΓ஋ΛνΣοΫ͢Δ෦෼
94. ܕνΣοΫ ؆қతʹܕνΣοΫΛߦͳ͏αϯϓϧίʔυ string2symbol ͕จࣈྻΛҾ਺ʹͱͬͯγϯϘϧΛฦ͢͜ͱΛظ଴͢Δ ࣮ߦͯ͠ΈΔͱΤϥʔ͕ग़Δ
95. tspec gem ͜ͷΞΠσΞΛ gem Խͨ͠΋ͷ "GitHub", "tspec", https://github.com/siman-man/tspec
96. tspec gem ࣮૷ղઆ͔͚ͨͬͨ͠Ͳॻ͍ͨຊਓ΋Θ͔Βͳ͍΄ͲΧΦεͩͬͨͷׂѪ "GitHub", "tspec", https://github.com/siman-man/tspec ?
97. ࢀߟαΠτ ɾhttp://www.atdot.net/~ko1/diary/201212.html#d12 [Ruby VM ΞυϕϯτΧϨϯμʔ #12 TracePoint ͷ঺հ (1)] ɾhttp://www.atdot.net/~ko1/diary/201212.html#d13 [Ruby VM ΞυϕϯτΧϨϯμʔ #13 TracePoint ͷ঺հ (2)] ɾhttp://www.atdot.net/~ko1/diary/201212.html#d14 [Ruby VM ΞυϕϯτΧϨϯμʔ #14 TracePoint ͷ঺հ (3)] ɾ"ΫοΫύου։ൃऀϒϩά", "Ruby 2.5 ͷվળΛࣗຫ͍ͨ͠", http://techlife.cookpad.com/entry/2017/12/28/113839 ɾ"TracePointΫϥε", "ϓϩάϥϛϯάݴޠ Ruby ϦϑΝϨϯεϚχϡΞϧ", https://docs.ruby-lang.org/ja/latest/class/TracePoint.html
98. ྑ͍ TracePoint ϥΠϑΛ