code.delx.au - gnu-emacs-elpa/blob - packages/realgud/realgud/lang/python.el

   1 ;;; Copyright (C) 2011, 2014-2015 Rocky Bernstein <rocky@gnu.org>
   2 ;;; Common Python constants and regular expressions.
   3 (eval-when-compile (require 'cl))
   4
   5 (require 'load-relative)
   6 (require-relative-list '("../common/regexp" "../common/loc" "../common/track")
   7                        "realgud-")
   8
   9 (defconst realgud-python-backtrace-loc-pat
  10   (make-realgud-loc-pat
  11    :regexp "^[ \t]+File \"\\(.+\\)\", line \\([0-9]+\\)"
  12    :file-group 1
  13    :line-group 2)
  14   "A realgud-loc-pat struct that describes a Python backtrace (or
  15 traceback) line."  )
  16
  17 ;;  Regular expression that pseudo-files in caller. For example:
  18 ;;    <string>
  19 (defconst realgud-python-ignore-file-re "<string>"
  20   "Regular expression that pseudo-files of caller()")
  21
  22 (defun realgud-python-populate-command-keys (&optional map)
  23   "Bind the debugger function key layout used by many debuggers.
  24
  25 \\{realgud-example-map-standard}"
  26   (define-key map (kbd "C-c !b") 'realgud:goto-debugger-backtrace-line)
  27   (define-key map (kbd "C-c !!") 'realgud:goto-lang-backtrace-line)
  28   )
  29
  30
  31 ;; Things common to the trepan Python debuggers
  32
  33 (defconst realgud:python-trepan-frame-start-regexp
  34   "\\(?:^\\|\n\\)\\(->\\|##\\)")
  35
  36 (defconst realgud:python-trepan-frame-num-regexp
  37   "\\([0-9]+\\)")
  38
  39 ;; Regular expression that describes a trepan2/3k location generally shown
  40 ;; before a command prompt.
  41 ;;
  42 ;; For example:
  43 ;;   (/usr/bin/zonetab2pot.py:15): <module>
  44 ;;   (/usr/bin/zonetab2pot.py:15 remapped <string>): <module>
  45 ;; or MS Windows:
  46 ;;   (c:\\mydirectory\\gcd.py:10): <module>
  47
  48 (defconst realgud:python-trepan-loc-pat
  49       (make-realgud-loc-pat
  50        :regexp "^(\\(\\(?:[a-zA-Z]:\\)?[-a-zA-Z0-9_/.\\\\ ]+\\):\\([0-9]+\\)\\(?: remapped .*?\\)?): \\(?:<module>\\)?\\(?:\n.. [0-9]+ \\(.*?\\)\n\\)?"
  51        :file-group 1
  52        :line-group 2
  53        :text-group 3
  54        :ignore-file-re  realgud-python-ignore-file-re)
  55       "A realgud-loc-pat struct that describes a Python trepan
  56       location line."  )
  57
  58 ;; Regular expression that describes a trepan2/3k backtrace line.
  59 ;; For example:
  60 ;; ->0 get_distribution(dist='trepan==0.3.9')
  61 ;;     called from file '/python2.7/dist-packages/pkg_res.py' at line 341
  62 ;; ##1 load_entry_point(dist='tr=0.3.9', group='console_scripts', name='tr')
  63 ;;     called from file '/python2.7/dist-packages/pkg_res.py' at line 351
  64 ;; ##2 <module> exec()
  65
  66 (defconst realgud:python-trepan-backtrace-pat
  67   (make-realgud-loc-pat
  68    :regexp (concat
  69             realgud:python-trepan-frame-start-regexp
  70             realgud:python-trepan-frame-num-regexp "[ ]"
  71             "\\(?:.*?)\\)\\(?:[\n\t ]+?\\)"
  72             "\\(?:called from file \\)?'\\([^:]+?\\)' at line \\([0-9]+\\)")
  73    :num 2
  74    :file-group 3
  75    :line-group 4
  76    :ignore-file-re  realgud-python-ignore-file-re)
  77       "A realgud-loc-pat struct that describes a Python trepan
  78       backtrace location line." )
  79
  80 ;;  Regular expression that describes a "breakpoint set" line
  81 (defconst realgud:python-trepan-brkpt-set-pat
  82   (make-realgud-loc-pat
  83    :regexp "^Breakpoint \\([0-9]+\\) set at line \\([0-9]+\\)[ \t\n]+of file \\(.+\\)\\(\n\\|$\\)"
  84    :num 1
  85    :file-group 3
  86    :line-group 2))
  87
  88 ;; Regular expression that describes a debugger "delete" (breakpoint) response.
  89 (defconst realgud:python-trepan-brkpt-del-pat
  90       (make-realgud-loc-pat
  91        :regexp "^Deleted breakpoint \\([0-9]+\\)\n"
  92        :num 1))
  93
  94 (defconst realgud:python-debugger-font-lock-keywords
  95   '(
  96     ;; The frame number and first type name, if present.
  97     ("^\\(->\\|##\\)\\([0-9]+\\) \\(<module>\\)? *\\([a-zA-Z_][a-zA-Z0-9_]*\\)(\\(.+\\))?"
  98      (2 realgud-backtrace-number-face)
  99      (4 font-lock-function-name-face nil t))     ; t means optional.
 100
 101     ;; Parameter sequence, E.g. gcd(a=3, b=5)
 102     ;;                             ^^^^^^^^^
 103     ("(\\(.+\\))"
 104      (1 font-lock-variable-name-face))
 105
 106     ;; File name. E.g  file '/test/gcd.py'
 107     ;;                 ------^^^^^^^^^^^^-
 108     ("[ \t]+file '\\([^ ]+*\\)'"
 109      (1 realgud-file-name-face))
 110
 111     ;; Line number. E.g. at line 28
 112     ;;                  ---------^^
 113     ("[ \t]+at line \\([0-9]+\\)$"
 114      (1 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     ;; (trepan2-frames-match-current-line
 121     ;;  (0 trepan2-frames-current-frame-face append))
 122     ))
 123
 124
 125
 126 (provide-me "realgud-lang-")