code.delx.au - gnu-emacs-elpa/blob - packages/realgud/realgud/debugger/rdebug/init.el

   1 ;;; Copyright (C) 2010, 2011 Rocky Bernstein <rocky@gnu.org>
   2 ;;; Ruby 1.8 debugger: ruby-debug (rdebug)
   3
   4 (eval-when-compile (require 'cl))
   5
   6 (require 'load-relative)
   7 (require-relative-list '("../../common/regexp" "../../common/loc") "realgud-")
   8 (require-relative-list '("../../lang/ruby") "realgud-lang-")
   9
  10 (defvar realgud-pat-hash)
  11 (declare-function make-realgud-loc-pat (realgud-loc))
  12
  13 (defvar realgud-rdebug-pat-hash (make-hash-table :test 'equal)
  14   "Hash key is the what kind of pattern we want to match:
  15 backtrace, prompt, etc.  The values of a hash entry is a
  16 realgud-loc-pat struct")
  17
  18 ;; Regular expression that describes a rdebug location generally shown
  19 ;; before a command prompt.
  20 ;; For example:
  21 ;;  \1a\1a/usr/lib/ruby/1.8/rubygems/custom_require.rb:31  # in Emacs
  22 ;; /usr/bin/irb:12
  23 (setf (gethash "loc" realgud-rdebug-pat-hash)
  24       (make-realgud-loc-pat
  25        :regexp "\1a\1a\\(?:source \\)?\\(\\(?:[a-zA-Z]:\\)?\\(?:.+\\)\\):\\([0-9]+\\).*\\(?:\n\\|$\\)"
  26        :file-group 1
  27        :line-group 2
  28        :ignore-file-re  "(eval)"
  29       ))
  30
  31 ;; Regular expression that describes a rdebug command prompt
  32 ;; For example:
  33 ;;   (rdb:1)
  34 (setf (gethash "prompt" realgud-rdebug-pat-hash)
  35       (make-realgud-loc-pat
  36        :regexp "^(rdb:[0-9]+) "
  37        ))
  38
  39 ;;  Regular expression that describes a Ruby backtrace line.
  40 (setf (gethash "lang-backtrace" realgud-rdebug-pat-hash)
  41       realgud-ruby-backtrace-loc-pat)
  42
  43 ;;  Regular expression that describes a ruby $! backtrace
  44 (setf (gethash "dollar-bang-backtrace" realgud-rdebug-pat-hash)
  45       realgud-ruby-dollar-bang-loc-pat)
  46
  47 ;; Regular expression that describes a rdebug "breakpoint set" line
  48 ;; For example:
  49 ;;   Breakpoint 1 file /test/gcd.rb, line 6
  50 ;;   -----------^------^^^^^^^^^^^^-------^
  51 (setf (gethash "brkpt-set" realgud-rdebug-pat-hash)
  52       (make-realgud-loc-pat
  53        :regexp "^Breakpoint \\([0-9]+\\) file \\(.+\\), line \\([0-9]+\\)\n"
  54        :num 1
  55        :file-group 2
  56        :line-group 3))
  57
  58 (defconst realgud-rdebug-frame-file-line-regexp
  59   "[ \t\n]+at line \\(.*\\):\\([0-9]+\\)$")
  60
  61 (defconst realgud-rdebug-frame-start-regexp realgud:trepan-frame-start-regexp)
  62 (defconst realgud-rdebug-frame-num-regexp   realgud:trepan-frame-num-regexp)
  63
  64 ;;  Regular expression that describes a Ruby $! string
  65 (setf (gethash "dollar-bang" realgud-rdebug-pat-hash)
  66       realgud-ruby-dollar-bang-loc-pat)
  67
  68 ;;  Regular expression that describes a Ruby $! string
  69 (setf (gethash "rails-backtrace" realgud-rdebug-pat-hash)
  70       realgud-rails-backtrace-loc-pat)
  71
  72 ;;  Regular expression that describes a debugger "backtrace" command line.
  73 ;;  e.g.
  74 ;; --> #0 at line /usr/bin/irb:12
  75 ;;     #1 main.__script__ at /tmp/fact.rb:1
  76 ;;     #1 main.__script__ at /tmp/fact.rb:1
  77 ;;     #0 IRB.start(ap_path#String) at line /usr/lib/ruby/1.8/irb.rb:52
  78 (setf (gethash "debugger-backtrace" realgud-rdebug-pat-hash)
  79       (make-realgud-loc-pat
  80        :regexp  (concat realgud-rdebug-frame-start-regexp " "
  81                         realgud-rdebug-frame-num-regexp
  82                         "\\(?: \\(?:\\(.+\\)(\\(.*\\))\\)\\)?"
  83                         realgud-rdebug-frame-file-line-regexp
  84                         )
  85        :num 2
  86        :file-group 5
  87        :line-group 6)
  88       )
  89
  90 (setf (gethash "font-lock-keywords" realgud-rdebug-pat-hash)
  91       '(
  92         ;; Parameters and first type entry. E.g Object.gcd(a#Fixnum, b#Fixnum)
  93         ;;                                                 ^-^^^^^^  ^-^^^^^^
  94         ("\\<\\([a-zA-Z_][a-zA-Z0-9_]*\\)#\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\>"
  95          (1 font-lock-variable-name-face)
  96          (2 font-lock-constant-face))
  97
  98         ;; "::Type", which occurs in class name of function and in
  99         ;; parameter list.
 100         ("::\\([a-zA-Z_][a-zA-Z0-9_]*\\)"
 101          (1 font-lock-type-face))
 102
 103         ;; The frame number and first type name, if present.
 104         ;; E.g. --> #0 Object.gcd(a#Fixnum, b#Fixnum)
 105         ;;      -----^-^^^^^^.^^^
 106         ("^\\(-->\\)? *#\\([0-9]+\\) *\\(\\([a-zA-Z_][a-zA-Z0-9_]*\\)[.:]\\)?"
 107          (2 realgud-backtrace-number-face)
 108          (4 font-lock-constant-face nil t))     ; t means optional.
 109
 110         ;; File name and line number. E.g. at line /test/gcd.rb:6
 111         ;;                                 -------^^^^^^^^^^^^^-^
 112         ("at line \\(.*\\):\\([0-9]+\\)$"
 113          (1 realgud-file-name-face)
 114          (2 realgud-line-number-face))
 115
 116         ;; Function name.
 117         ("\\<\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\.\\([a-zA-Z_][a-zA-Z0-9_]*\\)"
 118          (1 font-lock-type-face)
 119          (2 font-lock-function-name-face))
 120         ;; (rdebug-frames-match-current-line
 121         ;;  (0 rdebug-frames-current-frame-face append))
 122         ))
 123
 124
 125 (setf (gethash "rdebug" realgud-pat-hash) realgud-rdebug-pat-hash)
 126
 127 (defvar realgud-rdebug-command-hash (make-hash-table :test 'equal)
 128   "Hash key is command name like 'quit' and the value is
 129   the trepanx command to use, like 'quit!'")
 130
 131 (setf (gethash "quit" realgud-rdebug-command-hash) "quit!")
 132 (setf (gethash "shell" realgud-rdebug-command-hash) "irb")
 133 (setf (gethash "rdebug" realgud-command-hash) realgud-rdebug-command-hash)
 134
 135 (provide-me "realgud-rdebug-")