1 | ;;; coq.el --- Major mode for Coq proof assistant |
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2 | ;; Copyright (C) 1994 - 1998 LFCS Edinburgh. |
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3 | ;; Authors: Healfdene Goguen, Pierre Courtieu |
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4 | ;; License: GPL (GNU GENERAL PUBLIC LICENSE) |
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5 | ;; Maintainer: Pierre Courtieu <Pierre.Courtieu@cnam.fr> |
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6 | |
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7 | ;; coq.el,v 8.56 2006/12/13 14:10:36 pier Exp |
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8 | |
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9 | |
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10 | ;;; Commentary: |
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11 | ;; |
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12 | |
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13 | |
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14 | ;;; History: |
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15 | ;; |
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16 | |
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17 | (require 'proof) |
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18 | (require 'holes-load) ; in lib directory |
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19 | (require 'local-vars-list) ; in lib directory |
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20 | (require 'coq-local-vars) ; in coq directory |
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21 | ;; coq-syntaxe is required below |
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22 | ;; ----- coq-shell configuration options |
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23 | |
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24 | ;;; Code: |
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25 | ;; debugging functions |
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26 | ;; (defun proofstack () (coq-get-span-proofstack (span-at (point) 'type))) |
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27 | ;; End debugging |
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28 | |
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29 | (defcustom coq-prog-name |
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30 | "coqtop" |
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31 | ;; On Windows with latest Coq package you might need something like: |
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32 | ;; "C:/Program Files/Coq/bin/coqtop.opt.exe" |
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33 | ;; instead of just "coqtop". See also coq-prog-env below. |
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34 | "*Name of program to run as Coq. Important: See `proof-prog-name'." |
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35 | :type 'string |
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36 | :group 'coq) |
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37 | |
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38 | ;; List of arguments to pass to Coq process. Should contain -emacs. |
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39 | ;; -translate will be added automatically to this list if `coq-translate-to-v8' |
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40 | ;; is set. |
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41 | ;; coq-prog-args is set by defpgcustom in proof-config |
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42 | (defcustom coq-prog-args '("-emacs") |
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43 | "The arguments passed to coqtop, important: see `proof-prog-name'.") |
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44 | |
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45 | (defcustom coq-compile-file-command "coqc %s" |
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46 | "*Command to compile a coq file. |
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47 | This is called when `coq-auto-compile-vos' is set, unless a Makefile |
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48 | exists in the directory, in which case the `compile' command is run. |
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49 | To disable coqc being called (and use only make), set this to nil." |
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50 | :type 'string |
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51 | :group 'coq) |
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52 | |
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53 | ;; Command to initialize the Coq Proof Assistant |
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54 | |
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55 | (defcustom coq-default-undo-limit 100 |
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56 | "Maximum number of Undo's possible when doing a proof." |
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57 | :type 'number |
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58 | :group 'coq) |
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59 | |
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60 | (defconst coq-shell-init-cmd |
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61 | (format "Set Undo %s . " coq-default-undo-limit)) |
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62 | |
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63 | ;; da 15/02/03: moved setting of coq-version-is-vX to coq-syntax to |
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64 | ;; fix compilation |
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65 | |
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66 | (require 'coq-syntax) |
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67 | (require 'coq-indent) |
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68 | |
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69 | (defcustom coq-utf-safe nil |
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70 | "Should be t if one wants no multibyte characters be used for |
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71 | controling coq prompt. Only for coq >= 8.1 (and 8.1 beta)") |
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72 | (if (and coq-utf-safe coq-version-is-V8-1) (setq coq-prog-args '("-emacs-U")) |
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73 | (setq coq-prog-args '("-emacs"))) |
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74 | |
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75 | ;; List of environment settings d to pass to Coq process. |
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76 | ;; On Windows you might need something like: |
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77 | ;; (setq coq-prog-env '("HOME=C:\\Program Files\\Coq\\")) |
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78 | (setq coq-prog-env nil) |
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79 | |
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80 | ;; Command to reset the Coq Proof Assistant |
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81 | (defconst coq-shell-restart-cmd "Reset Initial.\n ") |
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82 | |
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83 | |
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84 | ;; NB: da: PG 3.5: added \n here to account for blank line in Coq output. |
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85 | ;; Better result for shrinking windows, grabbing shell output. |
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86 | ;; Pierre added the infos in the prompt, this is new in Coq v8-1 (to be released last |
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87 | ;; quarter of 2005). |
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88 | |
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89 | (defvar coq-shell-prompt-pattern |
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90 | (if coq-version-is-V8-0 |
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91 | (concat "\\(?:\n" proof-id " < \\)") |
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92 | (concat "\\(?:\n" proof-id " < [^\n]+\371\\|\n<prompt>[^\n]+</prompt>\\)") |
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93 | ) |
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94 | "*The prompt pattern for the inferior shell running coq.") |
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95 | ; (concat "^\n?" proof-id " < \\(?:[0-9]+ |\\(?:" proof-id "|?\\)*| " "[0-9]+ < \\)?\\(?:\x6\\|\371\\)") |
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96 | |
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97 | ;; FIXME da: this was disabled (set to nil) -- why? |
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98 | ;; da: 3.5: add experimetntal |
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99 | (defvar coq-shell-cd |
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100 | "Add LoadPath \"%s\"." ;; fixes unadorned Require (if .vo exists). |
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101 | "*Command of the inferior process to change the directory.") |
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102 | |
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103 | (defvar coq-shell-abort-goal-regexp "Current goal aborted" |
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104 | "*Regexp indicating that the current goal has been abandoned.") |
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105 | |
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106 | (defvar coq-shell-proof-completed-regexp "Subtree proved!" |
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107 | "*Regular expression indicating that the proof has been completed.") |
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108 | |
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109 | (defvar coq-goal-regexp |
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110 | "\\(============================\\)\\|\\(subgoal [0-9]+ is:\\)\n") |
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111 | |
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112 | |
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113 | |
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114 | ;; Configuration |
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115 | |
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116 | (setq tags-always-exact t) ; Tags is unusable with Coq library otherwise: |
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117 | |
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118 | (defun coq-library-directory () |
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119 | (let ((c (substring (shell-command-to-string "coqtop -where") 0 -1 ))) |
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120 | (if (string-match c "not found") |
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121 | "/usr/local/lib/coq" |
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122 | c))) |
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123 | |
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124 | |
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125 | (defcustom coq-tags (concat (coq-library-directory) "/theories/TAGS") |
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126 | "The default TAGS table for the Coq library." |
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127 | :type 'string |
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128 | :group 'coq) |
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129 | |
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130 | (defconst coq-interrupt-regexp "User Interrupt." |
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131 | "Regexp corresponding to an interrupt.") |
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132 | |
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133 | ;; ----- web documentation |
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134 | |
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135 | (defcustom coq-www-home-page "http://coq.inria.fr/" |
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136 | "Coq home page URL." |
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137 | :type 'string |
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138 | :group 'coq) |
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139 | |
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140 | |
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141 | |
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142 | |
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143 | ;; ----- outline |
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144 | |
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145 | (defvar coq-outline-regexp |
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146 | (concat "(\\*\\|" (proof-ids-to-regexp |
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147 | '( |
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148 | "Tactic" "Axiom" "Parameter" "Parameters" "Variable" "Variables" "Syntax" "Grammar" "Syntactic" "Load" "Require" "Import" "Hint" "Hints" "Hypothesis" "Correctness" "Module" "Section" "Chapter" "Goal" "Lemma" "Theorem" "Fact" "Remark" "Record" "Inductive" "Mutual" "Definition" "Fixpoint" "Save" "Qed" "Defined" "End" "Coercion")))) |
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149 | |
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150 | (defvar coq-outline-heading-end-regexp "\\*\)\n\\|\\.\n") |
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151 | |
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152 | (defvar coq-shell-outline-regexp coq-goal-regexp) |
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153 | (defvar coq-shell-outline-heading-end-regexp coq-goal-regexp) |
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154 | |
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155 | |
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156 | ;; all these are to be remove when coq > 8.0 |
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157 | |
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158 | (defconst coq-kill-goal-command "Abort. ") |
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159 | (defconst coq-forget-id-command "Reset %s . ") |
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160 | (defconst coq-back-n-command "Back %s . ") |
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161 | |
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162 | ;; some of them must kept when v8.1 because they are used by state preserving |
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163 | ;; check when C-c C-v |
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164 | (defconst coq-state-preserving-tactics-regexp |
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165 | (proof-ids-to-regexp coq-state-preserving-tactics)) |
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166 | (defconst coq-state-changing-commands-regexp |
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167 | (proof-ids-to-regexp coq-keywords-state-changing-commands)) |
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168 | (defconst coq-state-preserving-commands-regexp |
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169 | (proof-ids-to-regexp coq-keywords-state-preserving-commands)) |
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170 | (defconst coq-commands-regexp |
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171 | (proof-ids-to-regexp coq-keywords-commands)) |
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172 | (defvar coq-retractable-instruct-regexp |
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173 | (proof-ids-to-regexp coq-retractable-instruct)) |
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174 | (defvar coq-non-retractable-instruct-regexp |
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175 | (proof-ids-to-regexp coq-non-retractable-instruct)) |
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176 | |
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177 | ; delete when no more support for 8.0 ? |
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178 | (defvar coq-keywords-section |
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179 | '("Section" "Module\\s-+Type" "Declare\\s-+Module" "Module")) |
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180 | |
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181 | (defvar coq-section-regexp |
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182 | (concat "\\(" (proof-ids-to-regexp coq-keywords-section) "\\)") |
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183 | ; "\\(\\<Section\\>\\|\\<Module\\>\\s-+\\<Type\\>\\|\\<Module\\>\\)" |
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184 | ) |
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185 | ;; End of remove when coq > 8.0 |
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186 | |
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187 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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188 | ;; Derived modes - they're here 'cos they define keymaps 'n stuff ;; |
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189 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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190 | |
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191 | (eval-and-compile |
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192 | (define-derived-mode coq-shell-mode proof-shell-mode |
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193 | "coq-shell" nil |
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194 | (coq-shell-mode-config))) |
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195 | |
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196 | (eval-and-compile |
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197 | (define-derived-mode coq-response-mode proof-response-mode |
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198 | "CoqResp" nil |
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199 | (coq-response-config))) |
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200 | |
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201 | (eval-and-compile |
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202 | (define-derived-mode coq-mode proof-mode |
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203 | "coq" nil |
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204 | (coq-mode-config))) |
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205 | |
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206 | (eval-and-compile |
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207 | (define-derived-mode coq-goals-mode proof-goals-mode |
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208 | "CoqGoals" nil |
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209 | (coq-goals-mode-config))) |
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210 | |
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211 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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212 | ;; Code that's coq specific ;; |
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213 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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214 | |
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215 | (defun coq-set-undo-limit (undos) |
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216 | (proof-shell-invisible-command (format "Set Undo %s . " undos))) |
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217 | |
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218 | ;; da: have now combined count-undos and find-and-forget, they're the |
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219 | ;; same now we deal with nested proofs and send general sequence |
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220 | ;; "Abort. ... Abort. BackTo n. Undo n." |
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221 | ;; pc: now we do even better: "Backtrack n m p. " based on infos in |
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222 | ;; the prompt. |
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223 | |
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224 | ;; All this is to be removed when coq > 8.0 (until the "End remove" below) |
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225 | |
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226 | (defconst coq-keywords-decl-defn-regexp |
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227 | (proof-ids-to-regexp (append coq-keywords-decl coq-keywords-defn)) |
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228 | "Declaration and definition regexp.") |
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229 | |
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230 | (defun coq-proof-mode-p () |
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231 | "Allow to know if we are currentlly in proof mode. |
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232 | Look at the last line of the *coq* buffer to see if the prompt is the |
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233 | toplevel \"Coq <\". Returns nil if yes. This assumes that no |
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234 | \"Resume\" or \"Suspend\" command has been used." |
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235 | (not (string-match "^Coq < " proof-shell-last-prompt))) |
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236 | |
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237 | |
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238 | ;; DA: rewrote to combine behaviour with count-undos, to work with |
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239 | ;; nested proofs. |
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240 | |
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241 | (defun coq-is-comment-or-proverprocp (span) |
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242 | (memq (span-property span 'type) '(comment proverproc))) |
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243 | (defun coq-is-goalsave-p (span) (eq (span-property span 'type) 'goalsave)) |
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244 | (defun coq-is-module-equal-p (str) ;;cannot appear vith coq < 7.4 |
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245 | (and (proof-string-match "\\`\\(Declare\\s-\\)?\\s-*\\<Module\\>.*:=" str) |
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246 | (not (proof-string-match "\\<with\\>" str)))) |
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247 | (defun coq-is-def-p (str) |
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248 | (proof-string-match (concat "\\`Definition\\s-+\\(" proof-id "\\)\\s-*") str)) |
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249 | (defun coq-is-decl-defn-p (str) |
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250 | (proof-string-match |
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251 | (concat "\\`\\(" coq-keywords-decl-defn-regexp "\\)\\s-*\\(" |
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252 | proof-id "\\)\\s-*[\\[,:.]") str)) |
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253 | |
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254 | (defun coq-state-preserving-command-p (str) |
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255 | (proof-string-match (concat "\\`\\(" coq-state-preserving-commands-regexp "\\)") str)) |
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256 | |
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257 | (defun coq-command-p (str) |
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258 | (proof-string-match (concat "\\`\\(" coq-commands-regexp "\\)") str)) |
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259 | |
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260 | (defun coq-state-preserving-tactic-p (str) |
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261 | (proof-string-match |
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262 | (concat "\\`\\(" |
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263 | coq-state-preserving-tactics-regexp "\\)") str)) |
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264 | |
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265 | (defun coq-state-changing-tactic-p (str) ; unknown things are considered (state |
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266 | ;changing) tactics here |
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267 | (and (not (coq-command-p str)) |
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268 | (not (coq-state-preserving-tactic-p str))) |
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269 | ) |
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270 | |
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271 | |
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272 | (defun coq-state-changing-command-p (str) |
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273 | (proof-string-match (concat "\\`\\(" coq-state-changing-commands-regexp "\\)") str)) |
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274 | |
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275 | ; if no second id --> name of the module/section is (match-string 2 str) |
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276 | ; otherwise it is (match-string 5 str) |
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277 | ; to know if there is a second id: (match-string 2 str)="Type" ? |
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278 | ; delete when no more support for 8.0 |
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279 | (defun coq-section-or-module-start-p (str) |
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280 | (proof-string-match |
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281 | (concat "\\`" coq-section-regexp |
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282 | "\\s-+\\(" proof-id "\\)\\(\\s-*\\(" proof-id "\\)\\)?") str)) |
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283 | |
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284 | ;; End of remove when coq > 8.0 |
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285 | |
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286 | |
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287 | ;; make this non recursive? |
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288 | (defun build-list-id-from-string (s) |
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289 | "Build a list of string from a string S of the form \"id1|id2|...|idn\"." |
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290 | (if (or (not s) (string= s "")) '() |
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291 | (let ((x (string-match (concat "\\(" coq-id-shy "\\)\\(?:|\\|\\'\\)\\(.*\\)") s))) |
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292 | (if (not x) (error "cannot extract list of ids from string") |
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293 | (cons (match-string 1 s) |
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294 | (build-list-id-from-string (match-string 2 s)) |
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295 | ))) |
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296 | ) |
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297 | ) |
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298 | |
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299 | ;;New: using the statenumber inside the coq prompte to backtrack more easily |
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300 | ;; This function returns |
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301 | (defun coq-last-prompt-info (s) |
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302 | "Extract informations from the coq prompt S. See `coq-last-prompt-info-safe'." |
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303 | (let* ((lastprompt (or s (error "no prompt !!?"))) |
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304 | (regex |
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305 | (concat "\\(" coq-id-shy "\\) < \\([0-9]+\\) |\\(\\(?:" coq-id-shy |
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306 | "|?\\)*\\)| \\([0-9]+\\) < ")) |
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307 | (s (string-match regex lastprompt)) |
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308 | (lprf (match-string 3 lastprompt)) |
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309 | ) |
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310 | (cons (string-to-int (match-string 2 lastprompt)) |
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311 | (cons (string-to-int (match-string 4 lastprompt)) |
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312 | (cons (build-list-id-from-string lprf) nil))) |
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313 | ) |
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314 | ) |
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315 | |
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316 | |
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317 | (defun coq-last-prompt-info-safe () |
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318 | "Return a list with all informations from the last prompt. |
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319 | The list contains the state number, the proof stack depth, and the names of all |
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320 | pending proofs (in a list)." |
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321 | |
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322 | (coq-last-prompt-info proof-shell-last-prompt) ) |
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323 | |
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324 | ;; The state number we want to put in a span is the prompt number given *just before* |
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325 | ;; the command was sent. This variable remembers this number and will be updated when |
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326 | ;; used see coq-set-state-number. Initially 1 because Coq initial state has number 1. |
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327 | (defvar coq-last-but-one-statenum 1) |
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328 | ;; same for proof stack depth |
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329 | (defvar coq-last-but-one-proofnum 1) |
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330 | ;;same for pending proofs |
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331 | (defvar coq-last-but-one-proofstack '()) |
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332 | |
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333 | (defun coq-get-span-statenum (span) |
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334 | "Return the state number of the SPAN." |
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335 | (span-property span 'statenum) |
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336 | ) |
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337 | |
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338 | (defun coq-get-span-proofnum (span) |
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339 | "Return the proof number of the SPAN." |
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340 | (span-property span 'proofnum) |
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341 | ) |
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342 | |
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343 | (defun coq-get-span-proofstack (span) |
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344 | "Return the proof stack (names of pending proofs) of the SPAN." |
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345 | (span-property span 'proofstack) |
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346 | ) |
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347 | |
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348 | (defun coq-set-span-statenum (span val) |
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349 | "Set the state number of the SPAN to VAL." |
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350 | (set-span-property span 'statenum val) |
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351 | ) |
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352 | |
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353 | (defun coq-get-span-goalcmd (span) |
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354 | "Return the 'goalcmd flag of the SPAN." |
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355 | (span-property span 'goalcmd) |
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356 | ) |
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357 | |
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358 | (defun coq-set-span-goalcmd (span val) |
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359 | "Set the 'goalcmd flag of the SPAN to VAL." |
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360 | (set-span-property span 'goalcmd val) |
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361 | ) |
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362 | |
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363 | (defun coq-set-span-proofnum (span val) |
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364 | "Set the proof number of the SPAN to VAL." |
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365 | (set-span-property span 'proofnum val) |
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366 | ) |
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367 | |
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368 | (defun coq-set-span-proofstack (span val) |
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369 | "Set the proof stack (names of pending proofs) of the SPAN to VAL." |
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370 | (set-span-property span 'proofstack val) |
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371 | ) |
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372 | |
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373 | (defun proof-last-locked-span () |
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374 | (save-excursion ;; didn't found a way to avoid buffer switching |
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375 | (set-buffer proof-script-buffer) |
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376 | (span-at (- (proof-locked-end) 1) 'type) |
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377 | ) |
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378 | ) |
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379 | |
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380 | ;; Each time the state changes (hook below), (try to) put the state number in the |
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381 | ;; last locked span (will fail if there is already a number which should happen when |
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382 | ;; going back in the script). The state number we put is not the last one because |
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383 | ;; the last one has been sent by Coq *after* the change. We use |
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384 | ;; `coq-last-but-one-statenum' instead and then update it. |
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385 | |
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386 | ;;TODO update docstring and comment |
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387 | |
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388 | (defun coq-set-state-infos () |
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389 | "Set the last locked span's state number to the number found last time. |
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390 | This number is in the *last but one* prompt (variable `coq-last-but-one-statenum'). |
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391 | If locked span already has a state number, thne do nothing. Also updates |
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392 | `coq-last-but-one-statenum' to the last state number for next time." |
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393 | (if (and proof-shell-last-prompt proof-script-buffer) |
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394 | ;; infos = promt infos of the very last prompt |
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395 | ;; sp = last locked span, which we want to fill with prompt infos |
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396 | (let ((sp (proof-last-locked-span)) |
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397 | (infos (or (coq-last-prompt-info-safe) '(0 0 nil))) |
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398 | ) |
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399 | (unless (or (not sp) (coq-get-span-statenum sp)) |
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400 | (coq-set-span-statenum sp coq-last-but-one-statenum)) |
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401 | (setq coq-last-but-one-statenum (car infos)) |
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402 | ;; set goalcmd property if this is a goal start |
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403 | ;; (ie proofstack has changed and not a save cmd) |
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404 | (unless |
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405 | (or (not sp) (equal (span-property sp 'type) 'goalsave) |
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406 | (<= (length (car (cdr (cdr infos)))) |
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407 | (length coq-last-but-one-proofstack))) |
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408 | (coq-set-span-goalcmd sp t)) |
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409 | ;; testing proofstack=nil is not good here because nil is the empty list OR |
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410 | ;; the no value, so we test proofnum as it is always set at the same time. |
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411 | ;; This is why this test is done before the next one (which sets proofnum) |
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412 | (unless (or (not sp) (coq-get-span-proofnum sp)) |
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413 | (coq-set-span-proofstack sp coq-last-but-one-proofstack)) |
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414 | (setq coq-last-but-one-proofstack (car (cdr (cdr infos)))) |
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415 | (unless (or (not sp) (coq-get-span-proofnum sp)) |
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416 | (coq-set-span-proofnum sp coq-last-but-one-proofnum)) |
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417 | (setq coq-last-but-one-proofnum (car (cdr infos))) |
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418 | ) |
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419 | ) |
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420 | ) |
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421 | |
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422 | ;; This hook seems the one we want (if we are in V8.1 mode only). |
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423 | ;; WARNING! It is applied once after each command PLUS once before a group of |
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424 | ;; commands is started |
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425 | (add-hook 'proof-state-change-hook |
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426 | '(lambda () (if coq-version-is-V8-1 (coq-set-state-infos)))) |
---|
427 | |
---|
428 | (defun count-not-intersection (l notin) |
---|
429 | "Return the number of elts of L that are not in NOTIN." |
---|
430 | |
---|
431 | (let ((l1 l) (l2 notin) (res 0)) |
---|
432 | (while l1 |
---|
433 | (if (member (car l1) l2) () |
---|
434 | (setq res (+ res 1))) ; else |
---|
435 | (setq l1 (cdr l1))) |
---|
436 | res |
---|
437 | )) |
---|
438 | |
---|
439 | ;; Simplified version of backtracking which uses state numbers, proof stack depth and |
---|
440 | ;; pending proofs put inside the coq (> v8.1) prompt. It uses the new coq command |
---|
441 | ;; "Backtrack". The prompt is like this: |
---|
442 | ;; state proof stack |
---|
443 | ;; num depth |
---|
444 | ;; __ _ |
---|
445 | ;; aux < 12 |aux|SmallStepAntiReflexive| 4 < ù |
---|
446 | ;; ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^ |
---|
447 | ;; usual pending proofs usual |
---|
448 | ;; special char |
---|
449 | ;; exemple: |
---|
450 | ;; to go (back) from 12 |lema1|lema2...|leman| xx |
---|
451 | ;; to 8 |lemb1|lemb2...|lembm| 5 |
---|
452 | ;; we must do "Backtrack 8 5 naborts" |
---|
453 | ;; where naborts is the number of lemais that are not lembis |
---|
454 | |
---|
455 | ;; Rem: We could deal with suspend and resume with more work. We would need a new coq |
---|
456 | ;; command, because it is better to backtrack with *one* command (because |
---|
457 | ;; proof-change-hook used above is not exactly called at right times). |
---|
458 | |
---|
459 | (defun coq-find-and-forget-v81 (span) |
---|
460 | "Backtrack to SPAN. Using the \"Backtrack n m p\" coq command." |
---|
461 | (let* (ans (naborts 0) (nundos 0) |
---|
462 | (proofdepth (coq-get-span-proofnum span)) |
---|
463 | (proofstack (coq-get-span-proofstack span)) |
---|
464 | (span-staten (coq-get-span-statenum span)) |
---|
465 | (naborts (count-not-intersection coq-last-but-one-proofstack proofstack)) |
---|
466 | ) |
---|
467 | (setq ans |
---|
468 | (if (and ; this is more efficient as backtrack x y z may be slow |
---|
469 | (equal coq-last-but-one-proofstack proofstack) |
---|
470 | (= coq-last-but-one-proofnum proofdepth) |
---|
471 | (= coq-last-but-one-statenum span-staten)) |
---|
472 | "" |
---|
473 | (format "Backtrack %s %s %s . " |
---|
474 | (int-to-string span-staten) |
---|
475 | (int-to-string proofdepth) |
---|
476 | naborts))) |
---|
477 | (if (string-equal ans "") proof-no-command ; not here because if |
---|
478 | ;; we backtrack a state preserving command, we must do |
---|
479 | ;; *nothing*, not even a CR (in > v74, no prompt is returned |
---|
480 | ;; with "\n") |
---|
481 | ans) |
---|
482 | ) |
---|
483 | ) |
---|
484 | |
---|
485 | ;; to be removed when coq > 8.0 |
---|
486 | |
---|
487 | (defun coq-find-and-forget-v80 (span) |
---|
488 | (let (str ans (naborts 0) (nbacks 0) (nundos 0)) |
---|
489 | (while (and span (not ans)) |
---|
490 | (setq str (span-property span 'cmd)) |
---|
491 | (cond |
---|
492 | ((coq-is-comment-or-proverprocp span)) ; do nothing |
---|
493 | |
---|
494 | ;; Module <Type> T ... :=... . inside proof -> like Definition...:=... |
---|
495 | ;; (should actually be disallowed in coq) |
---|
496 | ; Should go in last cond, but I have a problem trying to avoid next cond to match. |
---|
497 | ((and (coq-proof-mode-p) (coq-is-module-equal-p str)) (incf nbacks)) |
---|
498 | |
---|
499 | ;; FIXME: combine with coq-keywords-decl-defn-regexp case below? |
---|
500 | ;; [ Maybe not: Section is being treated as a _goal_ command |
---|
501 | ;; now, so this test has to appear before the goalsave ] |
---|
502 | ((coq-section-or-module-start-p str) |
---|
503 | (if (equal (match-string 2 str) "Type") ;Module Type id: take the third word |
---|
504 | (setq ans (format coq-forget-id-command (match-string 5 str))) |
---|
505 | (setq ans (format coq-forget-id-command (match-string 2 str)))) |
---|
506 | ;; If we're resetting to beginning of a section from inside, need to fix the |
---|
507 | ;; nesting depth. FIXME: this is not good enough: the scanning loop exits |
---|
508 | ;; immediately but Reset has implicit Aborts which are not being counted |
---|
509 | ;; here. Really we need to set the "master reset" command which subsumes the |
---|
510 | ;; others, but still count the depth. |
---|
511 | (unless (coq-is-goalsave-p span) (decf proof-nesting-depth))) |
---|
512 | |
---|
513 | ((coq-is-goalsave-p span) |
---|
514 | ;; da: try using just Back since "Reset" causes loss of proof state. |
---|
515 | (if (span-property span 'nestedundos) |
---|
516 | ;; Pierre: more robust when some unknown commands are not well backtracked |
---|
517 | (if (and (= (span-property span 'nestedundos) 0) (not (coq-proof-mode-p))) |
---|
518 | (setq ans (format coq-forget-id-command (span-property span 'name))) |
---|
519 | (setq nbacks (+ 1 nbacks (span-property span 'nestedundos)))))) |
---|
520 | |
---|
521 | ;; Unsaved goal commands: each time we hit one of these |
---|
522 | ;; we need to issue Abort to drop the proof state. |
---|
523 | ((coq-goal-command-str-p str) (incf naborts)) ; FIX: nundos<-0 ? |
---|
524 | |
---|
525 | ;; If we are already outside a proof, issue a Reset. [ improvement would be |
---|
526 | ;; to see if the undoing will take us outside a proof, and use the first Reset |
---|
527 | ;; found if so: but this is tricky to co-ordinate with the number of Backs, |
---|
528 | ;; perhaps? ] |
---|
529 | ((and (not (coq-proof-mode-p));; (eq proof-nesting-depth 0) |
---|
530 | (coq-is-decl-defn-p str)) |
---|
531 | (setq ans (format coq-forget-id-command (match-string 2 str)))) |
---|
532 | |
---|
533 | ;; Outside a proof: cannot be a tactic, if unknown: do back |
---|
534 | ;; (we may decide otherwise, it is false anyhow, use elisp |
---|
535 | ;; vars instead for the perfect thing). |
---|
536 | ((and (not (coq-proof-mode-p)) (not (coq-state-preserving-command-p str))) |
---|
537 | (incf nbacks)) |
---|
538 | |
---|
539 | ;; inside a proof: if known command then back if necessary, nothing otherwise, |
---|
540 | ;; if known "need not undo tactic" then nothing; otherwise : undo (unknown |
---|
541 | ;; tactics are considered needing undo, use elisp vars for the 1% remaining). |
---|
542 | ;; no undo if abort |
---|
543 | ((coq-proof-mode-p) |
---|
544 | (cond |
---|
545 | ((coq-state-changing-command-p str) (incf nbacks)) |
---|
546 | ((and (eq 0 naborts) |
---|
547 | (not (coq-state-preserving-command-p str)) |
---|
548 | (not (coq-state-preserving-tactic-p str))) |
---|
549 | (incf nundos))))) |
---|
550 | (setq span (next-span span 'type))) |
---|
551 | |
---|
552 | ;; Now adjust proof-nesting depth according to the number of proofs we've passed |
---|
553 | ;; out of. FIXME: really this adjustment should be on the successful completion |
---|
554 | ;; of the Abort commands, as a callback. |
---|
555 | (setq proof-nesting-depth (- proof-nesting-depth naborts)) |
---|
556 | |
---|
557 | (setq ans |
---|
558 | (concat |
---|
559 | (if (stringp ans) ans) |
---|
560 | (if (> naborts 0) |
---|
561 | ;; ugly, but blame Coq |
---|
562 | (let ((aborts "Abort. ")) |
---|
563 | (while (> (decf naborts) 0) |
---|
564 | (setq aborts (concat "Abort. " aborts))) |
---|
565 | aborts)) |
---|
566 | (if (> nbacks 0) |
---|
567 | (concat "Back " (int-to-string nbacks) ". ")) |
---|
568 | (if (> nundos 0) |
---|
569 | (concat "Undo " (int-to-string nundos) ". ")))) |
---|
570 | |
---|
571 | (if (null ans) proof-no-command;; FIXME: this is an error really (assert nil); |
---|
572 | (if (string-equal ans "") proof-no-command ; not here because if |
---|
573 | ; we backtrack a state preserving command, we must do |
---|
574 | ; *nothing*, not even a CR (in v74, no prompt is returned |
---|
575 | ; with "\n") |
---|
576 | ans)))) |
---|
577 | |
---|
578 | ;; end of remove when coq > 8.0 |
---|
579 | |
---|
580 | ;; I don't like this but it make compilation possible |
---|
581 | ;; when > 8.0: adapt |
---|
582 | (defun coq-find-and-forget (span) |
---|
583 | "Go back to SPAN. |
---|
584 | This function calls `coq-find-and-forget-v81' or `coq-find-and-forget-v80' |
---|
585 | depending on the variables `coq-version-is-V8-1' and `coq-version-is-V8-0', if |
---|
586 | none is set, then it default to `coq-find-and-forget-v81' but this should not |
---|
587 | happen since one of them is necessarily set to t in coq-syntax.el." |
---|
588 | (cond |
---|
589 | (coq-version-is-V8-1 (coq-find-and-forget-v81 span)) |
---|
590 | (coq-version-is-V8-0 (coq-find-and-forget-v80 span)) |
---|
591 | (t (coq-find-and-forget-v81 span)) ;; should not happen |
---|
592 | ) |
---|
593 | ) |
---|
594 | |
---|
595 | (defvar coq-current-goal 1 |
---|
596 | "Last goal that Emacs looked at.") |
---|
597 | |
---|
598 | (defun coq-goal-hyp () |
---|
599 | (cond |
---|
600 | ((looking-at "============================\n") |
---|
601 | (goto-char (match-end 0)) |
---|
602 | (cons 'goal (int-to-string coq-current-goal))) |
---|
603 | ((looking-at "subgoal \\([0-9]+\\) is:\n") |
---|
604 | (goto-char (match-end 0)) |
---|
605 | (cons 'goal (match-string 1)) |
---|
606 | (setq coq-current-goal (string-to-int (match-string 1)))) |
---|
607 | ((looking-at proof-shell-assumption-regexp) |
---|
608 | (cons 'hyp (match-string 1))) |
---|
609 | (t nil))) |
---|
610 | |
---|
611 | (defun coq-state-preserving-p (cmd) |
---|
612 | ; (or |
---|
613 | (proof-string-match coq-non-retractable-instruct-regexp cmd)) |
---|
614 | ; (and |
---|
615 | ; (not (proof-string-match coq-retractable-instruct-regexp cmd)) |
---|
616 | ; (or |
---|
617 | ; (message "Unknown command, hopes this won't desynchronize ProofGeneral") |
---|
618 | ; t)))) |
---|
619 | |
---|
620 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
621 | ;; Commands specific to coq ;; |
---|
622 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
623 | |
---|
624 | |
---|
625 | |
---|
626 | (defconst notation-print-kinds-table |
---|
627 | '(("Print Scope(s)" 0) ("Print Visibility" 1)) |
---|
628 | "Enumerates the different kinds of notation information one can ask to coq.") |
---|
629 | |
---|
630 | (defun coq-PrintScope () |
---|
631 | "Show information on notations. Coq specific." |
---|
632 | (interactive) |
---|
633 | (let* |
---|
634 | ((mods |
---|
635 | (completing-read "Infos on notation (tab to see list): " |
---|
636 | notation-print-kinds-table)) |
---|
637 | (s (read-string "Name (empty for all): ")) |
---|
638 | (all (string-equal s ""))) |
---|
639 | (cond |
---|
640 | ((and (string-equal mods "Print Scope(s)") (string-equal s "")) |
---|
641 | (proof-shell-invisible-command (format "Print Scopes."))) |
---|
642 | (t |
---|
643 | (proof-shell-invisible-command (format "%s %s ." mods s))) |
---|
644 | ) |
---|
645 | ) |
---|
646 | ) |
---|
647 | |
---|
648 | |
---|
649 | (defun coq-guess-or-ask-for-string (s &optional dontguess) |
---|
650 | (let ((guess |
---|
651 | (and (not dontguess) |
---|
652 | (if (region-exists-p) |
---|
653 | (buffer-substring-no-properties (region-beginning) (region-end)) |
---|
654 | (thing-at-point 'word))))) |
---|
655 | (read-string |
---|
656 | (if guess (concat s " (" guess "): ") (concat s " : ")) |
---|
657 | nil 'proof-minibuffer-history guess))) |
---|
658 | |
---|
659 | |
---|
660 | (defun coq-ask-do (ask do &optional dontguess postformatcmd) |
---|
661 | "Ask for an ident and print the corresponding term." |
---|
662 | (let* ((cmd) (postform (if (eq postformatcmd nil) 'identity postformatcmd))) |
---|
663 | (proof-shell-ready-prover) |
---|
664 | (setq cmd (coq-guess-or-ask-for-string ask dontguess)) |
---|
665 | (proof-shell-invisible-command |
---|
666 | (format (concat do " %s . ") (funcall postform cmd)))) |
---|
667 | ) |
---|
668 | |
---|
669 | (defun coq-SearchIsos () |
---|
670 | "Search a term whose type is isomorphic to given type. |
---|
671 | This is specific to `coq-mode'." |
---|
672 | (interactive) |
---|
673 | (coq-ask-do "SearchPattern (parenthesis mandatory), ex: (?X1 + _ = _ + ?X1)" "SearchPattern" nil)) |
---|
674 | |
---|
675 | (defun coq-SearchConstant () |
---|
676 | (interactive) |
---|
677 | (coq-ask-do "Search constant" "Search" nil)) |
---|
678 | |
---|
679 | (defun coq-SearchRewrite () |
---|
680 | (interactive) |
---|
681 | (coq-ask-do "Search Rewrite :" "SearchRewrite" nil)) |
---|
682 | |
---|
683 | (defun coq-SearchAbout () |
---|
684 | (interactive) |
---|
685 | (coq-ask-do "Search About :" "SearchAbout" nil)) |
---|
686 | |
---|
687 | (defun coq-Print () "Ask for an ident and print the corresponding term." |
---|
688 | (interactive) |
---|
689 | (coq-ask-do "Print:" "Print")) |
---|
690 | |
---|
691 | (defun coq-About () "Ask for an ident and print information on it." |
---|
692 | (interactive) |
---|
693 | (coq-ask-do "About:" "About")) |
---|
694 | |
---|
695 | (defun coq-LocateConstant () |
---|
696 | "Locate a constant. |
---|
697 | This is specific to `coq-mode'." |
---|
698 | (interactive) |
---|
699 | (coq-ask-do "Locate :" "Locate")) |
---|
700 | |
---|
701 | (defun coq-LocateLibrary () |
---|
702 | "Locate a constant. |
---|
703 | This is specific to `coq-mode'." |
---|
704 | (interactive) |
---|
705 | (coq-ask-do "Locate Library" "Locate Library")) |
---|
706 | |
---|
707 | (defun coq-addquotes (s) (concat "\"" s "\"")) |
---|
708 | |
---|
709 | (defun coq-LocateNotation () |
---|
710 | "Locate a notation. |
---|
711 | This is specific to `coq-mode'." |
---|
712 | (interactive) |
---|
713 | (coq-ask-do "Locate Notation (ex: \'exists\' _ , _)" "Locate" |
---|
714 | t 'coq-addquotes)) |
---|
715 | |
---|
716 | (defun coq-Pwd () |
---|
717 | "Locate a notation. |
---|
718 | This is specific to `coq-mode'." |
---|
719 | (interactive) |
---|
720 | (proof-shell-invisible-command "Pwd.")) |
---|
721 | |
---|
722 | (defun coq-Inspect () |
---|
723 | (interactive) |
---|
724 | (coq-ask-do "Inspect how many objects back?" "Inspect" t)) |
---|
725 | |
---|
726 | (defun coq-PrintSection() |
---|
727 | (interactive) |
---|
728 | (coq-ask-do "Print Section " "Print Section" t)) |
---|
729 | |
---|
730 | (defun coq-Print-implicit () |
---|
731 | "Ask for an ident and print the corresponding term." |
---|
732 | (interactive) |
---|
733 | (coq-ask-do "Print Implicit: " "Print Implicit")) |
---|
734 | |
---|
735 | (defun coq-Check () |
---|
736 | "Ask for a term and print its type." |
---|
737 | (interactive) |
---|
738 | (coq-ask-do "Check: " "Check")) |
---|
739 | |
---|
740 | (defun coq-Show () |
---|
741 | "Ask for a number i and show the ith goal." |
---|
742 | (interactive) |
---|
743 | (coq-ask-do "Show goal number: " "Show" t)) |
---|
744 | |
---|
745 | |
---|
746 | (proof-definvisible coq-PrintHint "Print Hint. ") |
---|
747 | |
---|
748 | ;; Items on show menu |
---|
749 | (proof-definvisible coq-show-tree "Show Tree.") |
---|
750 | (proof-definvisible coq-show-proof "Show Proof.") |
---|
751 | (proof-definvisible coq-show-conjectures "Show Conjectures.") |
---|
752 | (proof-definvisible coq-show-intros "Show Intros.") ; see coq-insert-intros below |
---|
753 | |
---|
754 | |
---|
755 | (defun coq-PrintHint () |
---|
756 | "Print all hints applicable to the current goal." |
---|
757 | (interactive) |
---|
758 | (proof-shell-invisible-command "Print Hint. ")) |
---|
759 | |
---|
760 | |
---|
761 | |
---|
762 | |
---|
763 | (defun coq-Compile () |
---|
764 | "Compiles current buffer." |
---|
765 | (interactive) |
---|
766 | (let* ((n (buffer-name)) |
---|
767 | (l (string-match ".v" n))) |
---|
768 | (compile (concat "make " (substring n 0 l) ".vo")))) |
---|
769 | |
---|
770 | |
---|
771 | |
---|
772 | |
---|
773 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
774 | ;; To guess the command line options ;; |
---|
775 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
776 | (defun coq-guess-command-line (filename) |
---|
777 | "Guess the right command line options to compile FILENAME using `make -n'." |
---|
778 | (let ((dir (file-name-directory filename))) |
---|
779 | (if (file-exists-p (concat dir "Makefile")) |
---|
780 | (let* |
---|
781 | ((compiled-file (concat (substring |
---|
782 | filename 0 |
---|
783 | (string-match ".v$" filename)) ".vo")) |
---|
784 | (command (shell-command-to-string |
---|
785 | (concat "cd " dir ";" |
---|
786 | "gmake -n -W " filename " " compiled-file |
---|
787 | "| sed s/coqc/coqtop/")))) |
---|
788 | (concat |
---|
789 | (substring command 0 (string-match " [^ ]*$" command)) |
---|
790 | (if coq-utf-safe '("-emacs-U") '("-emacs")))) |
---|
791 | coq-prog-name))) |
---|
792 | |
---|
793 | |
---|
794 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
795 | ;; Coq shell startup and exit hooks ;; |
---|
796 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
797 | |
---|
798 | (defun coq-pre-shell-start () |
---|
799 | (setq proof-prog-name (concat coq-prog-name |
---|
800 | (if coq-translate-to-v8 " -translate"))) |
---|
801 | (setq proof-mode-for-shell 'coq-shell-mode) |
---|
802 | (setq proof-mode-for-goals 'coq-goals-mode) |
---|
803 | (setq proof-mode-for-response 'coq-response-mode) |
---|
804 | ) |
---|
805 | |
---|
806 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
807 | ;; Configuring proof and pbp mode and setting up various utilities ;; |
---|
808 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
809 | |
---|
810 | (defun coq-mode-config () |
---|
811 | ;; Coq error messages are thrown off by TAB chars. |
---|
812 | (set (make-local-variable 'indent-tabs-mode) nil) |
---|
813 | (setq proof-terminal-char ?\.) |
---|
814 | (setq proof-script-command-end-regexp |
---|
815 | "\\(?:[^.]\\|\\(?:\\.\\.\\)\\)\\.\\(\\s-\\|\\'\\)") |
---|
816 | (setq proof-script-comment-start "(*") |
---|
817 | (setq proof-script-comment-end "*)") |
---|
818 | (setq proof-unnamed-theorem-name "Unnamed_thm") ; Coq's default name |
---|
819 | |
---|
820 | (setq proof-assistant-home-page coq-www-home-page) |
---|
821 | |
---|
822 | (setq proof-mode-for-script 'coq-mode) |
---|
823 | |
---|
824 | (setq proof-guess-command-line 'coq-guess-command-line) |
---|
825 | |
---|
826 | ;; Commands sent to proof engine |
---|
827 | (setq proof-showproof-command "Show. " |
---|
828 | proof-context-command "Print All. " |
---|
829 | proof-goal-command "Goal %s . " |
---|
830 | proof-save-command "Save %s . " |
---|
831 | proof-find-theorems-command "Search %s . ") |
---|
832 | ;; FIXME da: Does Coq have a help or about command? |
---|
833 | ;; proof-info-command "Help" |
---|
834 | |
---|
835 | ;; 3.4: this is no longer used: setting to nil |
---|
836 | ;; enforces use of find-and-forget always. |
---|
837 | (setq proof-kill-goal-command nil) |
---|
838 | |
---|
839 | (setq proof-goal-command-p 'coq-goal-command-p |
---|
840 | proof-find-and-forget-fn 'coq-find-and-forget |
---|
841 | pg-topterm-goalhyp-fn 'coq-goal-hyp |
---|
842 | proof-state-preserving-p 'coq-state-preserving-p |
---|
843 | ) |
---|
844 | |
---|
845 | ;; This one to deal with nested comments in xemacs |
---|
846 | (if (string-match "XEmacs" emacs-version) |
---|
847 | (setq proof-script-parse-function 'coq-parse-function) |
---|
848 | ) |
---|
849 | |
---|
850 | (setq proof-save-command-regexp coq-save-command-regexp |
---|
851 | proof-really-save-command-p 'coq-save-command-p ;pierre:deals with Proof <term>. |
---|
852 | proof-save-with-hole-regexp coq-save-with-hole-regexp |
---|
853 | proof-goal-with-hole-regexp coq-goal-with-hole-regexp |
---|
854 | proof-nested-undo-regexp coq-state-changing-commands-regexp |
---|
855 | proof-script-imenu-generic-expression coq-generic-expression |
---|
856 | ) |
---|
857 | |
---|
858 | (setq |
---|
859 | ;indentation is implemented in coq-indent.el |
---|
860 | ; proof-indent-enclose-offset (- proof-indent) |
---|
861 | ; proof-indent-enclose-offset 0 |
---|
862 | ; proof-indent-close-offset 0 |
---|
863 | ; proof-indent-open-offset 0 |
---|
864 | proof-indent-any-regexp coq-indent-any-regexp |
---|
865 | ; proof-indent-inner-regexp coq-indent-inner-regexp |
---|
866 | ; proof-indent-enclose-regexp coq-indent-enclose-regexp |
---|
867 | proof-indent-open-regexp coq-indent-open-regexp |
---|
868 | proof-indent-close-regexp coq-indent-close-regexp |
---|
869 | ) |
---|
870 | |
---|
871 | (make-local-variable 'indent-region-function) |
---|
872 | (setq indent-region-function 'coq-indent-region) |
---|
873 | |
---|
874 | |
---|
875 | ;; span menu |
---|
876 | (setq proof-script-span-context-menu-extensions 'coq-create-span-menu) |
---|
877 | |
---|
878 | (setq proof-shell-start-silent-cmd "Set Silent. " |
---|
879 | proof-shell-stop-silent-cmd "Unset Silent. ") |
---|
880 | |
---|
881 | (coq-init-syntax-table) |
---|
882 | ;(setq comment-quote-nested nil) ;; we can cope with nested comments |
---|
883 | (set (make-local-variable 'comment-quote-nested) nil) ;; we can cope with nested comments |
---|
884 | |
---|
885 | ;; font-lock |
---|
886 | (setq font-lock-keywords coq-font-lock-keywords-1) |
---|
887 | ;;holes |
---|
888 | (holes-mode 1) |
---|
889 | |
---|
890 | (proof-config-done) |
---|
891 | |
---|
892 | ;; outline |
---|
893 | (make-local-variable 'outline-regexp) |
---|
894 | (setq outline-regexp coq-outline-regexp) |
---|
895 | |
---|
896 | (make-local-variable 'outline-heading-end-regexp) |
---|
897 | (setq outline-heading-end-regexp coq-outline-heading-end-regexp) |
---|
898 | |
---|
899 | ;; tags |
---|
900 | (and (boundp 'tag-table-alist) |
---|
901 | (setq tag-table-alist |
---|
902 | (append '(("\\.v$" . coq-tags) |
---|
903 | ("coq" . coq-tags)) |
---|
904 | tag-table-alist))) |
---|
905 | |
---|
906 | ; (setq blink-matching-paren-dont-ignore-comments t) |
---|
907 | (set (make-local-variable 'blink-matching-paren-dont-ignore-comments) t) |
---|
908 | |
---|
909 | ;; multiple file handling |
---|
910 | (setq proof-cannot-reopen-processed-files t |
---|
911 | ;; proof-shell-inform-file-retracted-cmd 'coq-retract-file |
---|
912 | proof-shell-require-command-regexp coq-require-command-regexp |
---|
913 | proof-done-advancing-require-function 'coq-process-require-command) |
---|
914 | |
---|
915 | ;; hooks and callbacks |
---|
916 | (add-hook 'proof-pre-shell-start-hook 'coq-pre-shell-start nil t) |
---|
917 | ;; FIXME: PG 3.5, next one shouldn't be needed but setting is |
---|
918 | ;; now lost in define-derived-mode for some reason. |
---|
919 | (add-hook 'proof-activate-scripting-hook 'proof-cd-sync nil t) |
---|
920 | (add-hook 'proof-deactivate-scripting-hook 'coq-maybe-compile-buffer nil t)) |
---|
921 | |
---|
922 | |
---|
923 | |
---|
924 | (defun coq-shell-mode-config () |
---|
925 | (setq |
---|
926 | proof-shell-prompt-pattern coq-shell-prompt-pattern |
---|
927 | proof-shell-cd-cmd coq-shell-cd |
---|
928 | proof-shell-filename-escapes '(("\\\\" . "\\\\") ("\"" . "\\\"")) |
---|
929 | proof-shell-abort-goal-regexp coq-shell-abort-goal-regexp |
---|
930 | proof-shell-proof-completed-regexp coq-shell-proof-completed-regexp |
---|
931 | proof-shell-error-regexp coq-error-regexp |
---|
932 | proof-shell-interrupt-regexp coq-interrupt-regexp |
---|
933 | proof-shell-assumption-regexp coq-id |
---|
934 | pg-subterm-first-special-char ?\360 |
---|
935 | proof-shell-wakeup-char nil ;?\x6 ; ?\371 ; done: prompt |
---|
936 | ;; The next three represent path annotation information |
---|
937 | pg-subterm-start-char ?\372 ; not done |
---|
938 | pg-subterm-sep-char ?\373 ; not done |
---|
939 | pg-subterm-end-char ?\374 ; not done |
---|
940 | pg-topterm-char ?\375 ; done |
---|
941 | proof-shell-eager-annotation-start "\376\\|\\[Reinterning" |
---|
942 | proof-shell-eager-annotation-start-length 12 |
---|
943 | proof-shell-eager-annotation-end "\377\\|done\\]" ; done |
---|
944 | proof-shell-annotated-prompt-regexp proof-shell-prompt-pattern |
---|
945 | proof-shell-result-start "\372 Pbp result \373" |
---|
946 | proof-shell-result-end "\372 End Pbp result \373" |
---|
947 | proof-shell-start-goals-regexp "[0-9]+ subgoals?" |
---|
948 | proof-shell-end-goals-regexp proof-shell-annotated-prompt-regexp |
---|
949 | proof-shell-init-cmd ; (concat |
---|
950 | coq-shell-init-cmd |
---|
951 | ; Coq has no global settings? |
---|
952 | ; (proof-assistant-settings-cmd)) |
---|
953 | proof-shell-restart-cmd coq-shell-restart-cmd |
---|
954 | pg-subterm-anns-use-stack t) |
---|
955 | |
---|
956 | (coq-init-syntax-table) |
---|
957 | (setq font-lock-keywords coq-font-lock-keywords-1) |
---|
958 | (holes-mode 1) |
---|
959 | (proof-shell-config-done)) |
---|
960 | |
---|
961 | (defun coq-goals-mode-config () |
---|
962 | (setq pg-goals-change-goal "Show %s . ") |
---|
963 | (setq pg-goals-error-regexp coq-error-regexp) |
---|
964 | (coq-init-syntax-table) |
---|
965 | (setq font-lock-keywords coq-font-lock-keywords-1) |
---|
966 | (holes-mode 1) |
---|
967 | (proof-goals-config-done)) |
---|
968 | |
---|
969 | (defun coq-response-config () |
---|
970 | (coq-init-syntax-table) |
---|
971 | (setq font-lock-keywords coq-font-lock-keywords-1) |
---|
972 | (holes-mode 1) |
---|
973 | (proof-response-config-done)) |
---|
974 | |
---|
975 | |
---|
976 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
977 | ;; |
---|
978 | ;; Multiple file handling |
---|
979 | ;; |
---|
980 | ;; This is an imperfect attempt. It really needs prover assistance. |
---|
981 | ;; |
---|
982 | ;; Experimental support for multiple files was first added |
---|
983 | ;; for Coq 6.X based on discussions at TYPES 2000 between DA and PC. |
---|
984 | ;; Updated and simplified for Coq 8, PG 3.5 (22.04.04) by DA. |
---|
985 | |
---|
986 | ;; First note that coq-shell-cd is sent whenever we activate scripting, |
---|
987 | ;; it extends the loadpath with the current directory. |
---|
988 | |
---|
989 | ;; When scripting is turned off, we compile the file to update the .vo. |
---|
990 | (defun coq-maybe-compile-buffer () |
---|
991 | "If the current buffer is completely processed, maybe compile it. |
---|
992 | The attempt is made if `coq-auto-compile-vos' is non-nil. |
---|
993 | This is a value for the `proof-deactivate-scripting-hook'." |
---|
994 | (if (and coq-auto-compile-vos |
---|
995 | (proof-locked-region-full-p) |
---|
996 | buffer-file-name) |
---|
997 | (progn |
---|
998 | ;; FIXME: in PG 4, this next step will be done inside |
---|
999 | ;; proof-register-possibly-new-processed-file. |
---|
1000 | ;; NB: we might save dependent buffers too! |
---|
1001 | (ignore-errors |
---|
1002 | (proof-save-some-buffers (list buffer))) |
---|
1003 | ;; Now re-compile. |
---|
1004 | ;; Coq users like Make, let's see if we have a Makefile |
---|
1005 | ;; here and choose compile. |
---|
1006 | (cond |
---|
1007 | ((and (proof-try-require 'compile) |
---|
1008 | compile-command |
---|
1009 | (file-exists-p "Makefile")) |
---|
1010 | ;; NB: compilation is run in the background |
---|
1011 | ;; in this case! |
---|
1012 | (let ((compilation-read-command nil)) |
---|
1013 | (call-interactively 'compile))) |
---|
1014 | (coq-compile-file-command |
---|
1015 | (message "Compiling %s..." buffer-file-name) |
---|
1016 | (shell-command |
---|
1017 | ;; Could be run in the background here if we |
---|
1018 | ;; added & to the end of the command. |
---|
1019 | (format coq-compile-file-command buffer-file-name))))))) |
---|
1020 | |
---|
1021 | |
---|
1022 | ;; Dependency management 1: when a buffer is retracted, we also |
---|
1023 | ;; need to retract any children buffers. |
---|
1024 | ;; To do that, we run coqdep on each of the processed files, |
---|
1025 | ;; and see whether the buffer being retracted is an ancestor. |
---|
1026 | |
---|
1027 | (defun coq-ancestors-of (filename) |
---|
1028 | "Return ancestor .v files of RFILENAME. |
---|
1029 | This is based on the output of coqtop FILENAME. |
---|
1030 | Currently this doesn't take the loadpath into account." |
---|
1031 | ;; FIXME: is there any way to bring in the load path here in coqdep? |
---|
1032 | ;; We might use Coq's "Locate File string." command to help. |
---|
1033 | (let* ((filedir (file-name-directory filename)) |
---|
1034 | (cdline (shell-command-to-string |
---|
1035 | (format "coqdep -I %s %s" filedir filename))) |
---|
1036 | (matchdeps (string-match ": \\(.*\\)$" cdline)) |
---|
1037 | (deps (and matchdeps |
---|
1038 | (split-string (match-string 1 cdline))))) |
---|
1039 | (mapcar |
---|
1040 | ;; normalise to include directories, defaulting |
---|
1041 | ;; to same dir. Change .vo -> v |
---|
1042 | (lambda (file) |
---|
1043 | (concat |
---|
1044 | (if (file-name-directory file) "" filedir) |
---|
1045 | (file-name-sans-extension file) ".v")) |
---|
1046 | ;; first dep is vacuous: file itself |
---|
1047 | (cdr-safe deps)))) |
---|
1048 | |
---|
1049 | ;; FIXME: memoise here |
---|
1050 | (defun coq-all-ancestors-of (filename) |
---|
1051 | "Return transitive closure of `coq-ancestors-of'." |
---|
1052 | (let ((ancs (coq-ancestors-of filename)) |
---|
1053 | all) |
---|
1054 | (dolist (anc ancs) |
---|
1055 | (setq all (union (cons anc |
---|
1056 | (coq-all-ancestors-of anc)) |
---|
1057 | all |
---|
1058 | :test 'string-equal))) |
---|
1059 | all)) |
---|
1060 | |
---|
1061 | ;; FIXME: add other cases, move to coq-syntax |
---|
1062 | (defconst coq-require-command-regexp |
---|
1063 | (concat "Require\\s-+\\(" proof-id "\\)") |
---|
1064 | "Regular expression matching Require commands in Coq. |
---|
1065 | Group number 1 matches the name of the library which is required.") |
---|
1066 | |
---|
1067 | (defun coq-process-require-command (span cmd) |
---|
1068 | "Calculate the ancestors of a loaded file and lock them." |
---|
1069 | ;; FIXME todo |
---|
1070 | ) |
---|
1071 | |
---|
1072 | (defun coq-included-children (filename) |
---|
1073 | "Return a list of children of FILENAME on `proof-included-files-list'." |
---|
1074 | (let (children) |
---|
1075 | (dolist (incf proof-included-files-list) |
---|
1076 | ;; Compute all ancestors transitively: could be expensive |
---|
1077 | ;; if we have a lot of included files with many ancestors. |
---|
1078 | (let ((ancestors (coq-all-ancestors-of incf))) |
---|
1079 | (if (member filename ancestors) |
---|
1080 | (setq children (cons incf children))))) |
---|
1081 | children)) |
---|
1082 | |
---|
1083 | |
---|
1084 | ;; Dependency management 2: when a "Require " is executed, |
---|
1085 | ;; PG should lock all files whose .vo's are loaded. |
---|
1086 | ;; This would be easy if Coq would output some handy |
---|
1087 | ;; messages tracking dependencies in .vo's as it loads |
---|
1088 | ;; those files. But it doesn't. |
---|
1089 | ;; FIXME: to do this we'll need to watch the |
---|
1090 | ;; Require commands ourselves, and then *lock* their |
---|
1091 | ;; ancestors. TBD. |
---|
1092 | |
---|
1093 | (defun coq-process-file (rfilename) |
---|
1094 | "Adjust the value of `proof-included-files-list' when processing RFILENAME." |
---|
1095 | (if coq-auto-compile-vos |
---|
1096 | (progn |
---|
1097 | (add-to-list proof-included-files-list rfilename) |
---|
1098 | ;; recursively call on ancestors: we hope coqdep doesn't give loop! |
---|
1099 | (coq-process-file (coq-ancestors-of rfilename))))) |
---|
1100 | |
---|
1101 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1102 | ;; |
---|
1103 | ;; Flags and other settings for Coq. |
---|
1104 | ;; These appear on the Coq -> Setting menu. |
---|
1105 | ;; |
---|
1106 | |
---|
1107 | ; FIXME da: we should send this command only inside a proof, |
---|
1108 | ; otherwise it gives an error message. It should be on |
---|
1109 | ; a different menu command. |
---|
1110 | ;(defpacustom print-only-first-subgoal nil |
---|
1111 | ; "Whether to just print the first subgoal in Coq." |
---|
1112 | ; :type 'boolean |
---|
1113 | ; :setting ("Focus. " . "Unfocus. ")) |
---|
1114 | |
---|
1115 | |
---|
1116 | ;; FIXME: to handle "printing all" properly, we should change the state |
---|
1117 | ;; of the variables that also depend on it. |
---|
1118 | (defpacustom print-fully-explicit nil |
---|
1119 | "*Print fully explicit terms." |
---|
1120 | :type 'boolean |
---|
1121 | :setting ("Set Printing All. " . "Unset Printing All. ")) |
---|
1122 | |
---|
1123 | (defpacustom print-implicit nil |
---|
1124 | "*Print implicit arguments in applications." |
---|
1125 | :type 'boolean |
---|
1126 | :setting ("Set Printing Implicit. " . "Unset Printing Implicit. ")) |
---|
1127 | |
---|
1128 | (defpacustom print-coercions nil |
---|
1129 | "*Print coercions." |
---|
1130 | :type 'boolean |
---|
1131 | :setting ("Set Printing Coercions. " . "Unset Printing Coercions. ")) |
---|
1132 | |
---|
1133 | (defpacustom print-match-wildcards t |
---|
1134 | "*Print underscores for unused variables in matches." |
---|
1135 | :type 'boolean |
---|
1136 | :setting ("Set Printing Wildcard. " . "Unset Printing Wildcard. ")) |
---|
1137 | |
---|
1138 | (defpacustom print-elim-types t |
---|
1139 | "*Print synthesised result type for eliminations." |
---|
1140 | :type 'boolean |
---|
1141 | :setting ("Set Printing Synth. " . "Unset Printing Synth. ")) |
---|
1142 | |
---|
1143 | (defpacustom printing-depth 50 |
---|
1144 | "*Depth of pretty printer formatting, beyond which dots are displayed." |
---|
1145 | :type 'integer |
---|
1146 | :setting "Set Printing Depth %i . ") |
---|
1147 | |
---|
1148 | (defpacustom time-commands nil |
---|
1149 | "*Whether to display timing information for each command." |
---|
1150 | :type 'boolean) |
---|
1151 | |
---|
1152 | (defpacustom auto-compile-vos nil |
---|
1153 | "Whether to automatically compile vos and track dependencies." |
---|
1154 | :type 'boolean) |
---|
1155 | |
---|
1156 | ;; old adjustments: |
---|
1157 | ;; :eval (if coq-auto-compile-vos |
---|
1158 | ; (setq proof-shell-process-file |
---|
1159 | ; coq-proof-shell-process-file |
---|
1160 | ; proof-shell-inform-file-retracted-cmd |
---|
1161 | ; coq-proof-shell-inform-file-retracted-cmd) |
---|
1162 | ; (setq proof-shell-inform-file-processed-cmd nil |
---|
1163 | ; proof-shell-process-file nil |
---|
1164 | ; proof-shell-inform-file-retracted-cmd nil))) |
---|
1165 | |
---|
1166 | ;; da: what a shame -translate is a command line flag and not a |
---|
1167 | ;; command in Coq. Otherwise we could enable/disable interactively. |
---|
1168 | ;; As it is, this setting will only work between restarts. |
---|
1169 | ;; Moreover, if we had collaborated on this we could easily have |
---|
1170 | ;; implemented a hook to translate automatically in PG with some |
---|
1171 | ;; extra markup. Scanning the whitespace as formatted presently |
---|
1172 | ;; is messy. |
---|
1173 | |
---|
1174 | (defpacustom translate-to-v8 nil |
---|
1175 | "*Whether to use -translate argument to Coq" |
---|
1176 | :type 'boolean) |
---|
1177 | |
---|
1178 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1179 | ;; |
---|
1180 | ;; Pre-processing of input string (PG 3.5) |
---|
1181 | ;; |
---|
1182 | |
---|
1183 | (defun coq-preprocessing () ;; NB: dynamic scoping of `string' |
---|
1184 | (cond |
---|
1185 | (coq-time-commands |
---|
1186 | (setq string (concat "Time " string))))) |
---|
1187 | |
---|
1188 | (add-hook 'proof-shell-insert-hook 'coq-preprocessing) |
---|
1189 | |
---|
1190 | |
---|
1191 | |
---|
1192 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1193 | ;; |
---|
1194 | ;; Subterm markup -- it was added to Coq by Healf, but got removed. |
---|
1195 | ;; Let's try faking something by regexp matching. |
---|
1196 | |
---|
1197 | ;; FIXME: not operational yet |
---|
1198 | (defun coq-fake-constant-markup () |
---|
1199 | "Markup constants in Coq goal output by matching on regexps. |
---|
1200 | This is a horrible and approximate way of doing subterm markup. |
---|
1201 | \(Code used to be in Coq, but got lost between versions 5 and 7). |
---|
1202 | This is a hook setting for `pg-after-fontify-output-hook' to |
---|
1203 | enable identifiers to be highlighted and allow useful |
---|
1204 | mouse activation." |
---|
1205 | (goto-char (point-min)) |
---|
1206 | (while (re-search-forward "\(\w+[^\w]\)" nil t) |
---|
1207 | (replace-match "\372\200\373\\1\374" nil t))) |
---|
1208 | |
---|
1209 | |
---|
1210 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1211 | ;; |
---|
1212 | ;; Context-senstive in-span menu additions |
---|
1213 | ;; |
---|
1214 | |
---|
1215 | ;; da: message to Pierre: I just put these in as examples, |
---|
1216 | ;; maybe you can suggest some better commands to use on |
---|
1217 | ;; `thm'. (Check maybe not much use since appears before |
---|
1218 | ;; in the buffer anyway) |
---|
1219 | |
---|
1220 | (defun coq-create-span-menu (span idiom name) |
---|
1221 | (if (string-equal idiom "proof") |
---|
1222 | (let ((thm (span-property span 'name))) |
---|
1223 | (list (vector |
---|
1224 | "Check" |
---|
1225 | `(proof-shell-invisible-command |
---|
1226 | ,(format "Check %s." thm))) |
---|
1227 | (vector |
---|
1228 | "Print Proof" |
---|
1229 | `(proof-shell-invisible-command |
---|
1230 | ,(format "Print Proof %s." thm)))))) |
---|
1231 | (if (string-equal idiom "proof") |
---|
1232 | (let ((thm (span-property span 'name))) |
---|
1233 | (list (vector |
---|
1234 | "Check" |
---|
1235 | `(proof-shell-invisible-command |
---|
1236 | ,(format "Check %s." thm)))))) |
---|
1237 | ) |
---|
1238 | |
---|
1239 | |
---|
1240 | ;;;;;;;;;;;;;;;;;;;;; |
---|
1241 | ; Some smart insertion function |
---|
1242 | ;;;;;;;;;;;;;;;;;;;;;; |
---|
1243 | |
---|
1244 | ;; ----- coq specific menu is defined in coq-abbrev.el |
---|
1245 | (require 'coq-abbrev) |
---|
1246 | |
---|
1247 | (defconst module-kinds-table |
---|
1248 | '(("Section" 0) ("Module" 1) ("Module Type" 2) ("Declare Module" 3)) |
---|
1249 | "Enumerates the different kinds of modules.") |
---|
1250 | |
---|
1251 | (defconst modtype-kinds-table |
---|
1252 | '(("" 1) (":" 2) ("<:" 3)) |
---|
1253 | "Enumerates the different kinds of type information for modules.") |
---|
1254 | |
---|
1255 | (defun coq-insert-section-or-module () |
---|
1256 | "Insert a module or a section after asking right questions." |
---|
1257 | (interactive) |
---|
1258 | (let* |
---|
1259 | ((mods (completing-read "kind of module (tab to see list): " module-kinds-table)) |
---|
1260 | (s (read-string "Name: ")) |
---|
1261 | (typkind (if (string-equal mods "Section") |
---|
1262 | "" ;; if not a section |
---|
1263 | (completing-read "kind of type (optional, tab to see list): " |
---|
1264 | modtype-kinds-table))) |
---|
1265 | (p (point))) |
---|
1266 | (if (string-equal typkind "") |
---|
1267 | (progn |
---|
1268 | (insert mods " " s ".\n#\nEnd " s ".") |
---|
1269 | (holes-replace-string-by-holes-backward p) |
---|
1270 | (goto-char p)) |
---|
1271 | (insert mods " " s " " typkind " #.\n#\nEnd " s ".") |
---|
1272 | (holes-replace-string-by-holes-backward p) |
---|
1273 | (goto-char p) |
---|
1274 | (holes-set-point-next-hole-destroy)) |
---|
1275 | ) |
---|
1276 | ) |
---|
1277 | |
---|
1278 | (defconst reqkinds-kinds-table |
---|
1279 | '(("Require" 1) ("Require Export" 2) ("Import" 3)) |
---|
1280 | "Enumerates the different kinds of requiring a module.") |
---|
1281 | |
---|
1282 | |
---|
1283 | (defun coq-insert-requires () |
---|
1284 | "Insert requires to modules, iteratively." |
---|
1285 | (interactive) |
---|
1286 | (let* ((s) |
---|
1287 | (reqkind |
---|
1288 | (completing-read "Command (tab to see list, default Require Export) : " |
---|
1289 | reqkinds-kinds-table nil nil nil nil "Require Export")) |
---|
1290 | ) |
---|
1291 | (setq s (read-string "Name (empty to stop) : ")) |
---|
1292 | (while (not (string-equal s "")) |
---|
1293 | (insert (format "%s %s.\n" reqkind s)) |
---|
1294 | (setq s (read-string "Name (empty to stop) : "))) |
---|
1295 | ) |
---|
1296 | ) |
---|
1297 | |
---|
1298 | |
---|
1299 | (defun coq-end-Section () |
---|
1300 | "Ends a Coq section." |
---|
1301 | (interactive) |
---|
1302 | (let ((count 1)) ; The number of section already "Ended" + 1 |
---|
1303 | (let ((section |
---|
1304 | (save-excursion |
---|
1305 | (progn |
---|
1306 | (while (and (> count 0) |
---|
1307 | (search-backward-regexp |
---|
1308 | "Chapter\\|Section\\|End" 0 t)) |
---|
1309 | (if (char-equal (char-after (point)) ?E) |
---|
1310 | (setq count (1+ count)) |
---|
1311 | (setq count (1- count)))) |
---|
1312 | (buffer-substring-no-properties |
---|
1313 | (progn (beginning-of-line) (forward-word 1) (point)) |
---|
1314 | (progn (end-of-line) (point))))))) |
---|
1315 | (insert (concat "End" section))))) |
---|
1316 | |
---|
1317 | (defun coq-insert-intros () |
---|
1318 | "Insert an intros command with names given by Show Intros. |
---|
1319 | Based on idea mentioned in Coq reference manual." |
---|
1320 | (interactive) |
---|
1321 | (let* ((shints (proof-shell-invisible-cmd-get-result "Show Intros.")) |
---|
1322 | (intros (replace-in-string shints "^\\([^\n]+\\)\n" "intros \\1."))) |
---|
1323 | (if (or (< (length shints) 2);; empty response is just NL |
---|
1324 | (string-match coq-error-regexp shints)) |
---|
1325 | (error "Don't know what to intro. ") |
---|
1326 | (insert intros) |
---|
1327 | (indent-according-to-mode)))) |
---|
1328 | |
---|
1329 | (defun coq-insert-match () |
---|
1330 | "Insert a match expression from a type name by Show Intros. |
---|
1331 | Based on idea mentioned in Coq reference manual. Also insert holes at insertion |
---|
1332 | positions." |
---|
1333 | (interactive) |
---|
1334 | (proof-shell-ready-prover) |
---|
1335 | (let* ((cmd)) |
---|
1336 | (setq cmd (read-string "Build match for type:")) |
---|
1337 | (let* ((thematch |
---|
1338 | (proof-shell-invisible-cmd-get-result (concat "Show Match " cmd "."))) |
---|
1339 | (match (replace-in-string thematch "=> \n" "=> #\n"))) |
---|
1340 | ;; if error, it will be displayed in response buffer (see def of |
---|
1341 | ;; proof-shell-invisible-cmd-get-result), otherwise: |
---|
1342 | (unless (proof-string-match coq-error-regexp match) |
---|
1343 | (let ((start (point))) |
---|
1344 | (insert match) |
---|
1345 | (indent-region start (point) nil) |
---|
1346 | (let ((n (holes-replace-string-by-holes-backward start))) |
---|
1347 | (case n |
---|
1348 | (0 nil) ; no hole, stay here. |
---|
1349 | (1 |
---|
1350 | (goto-char start) |
---|
1351 | (holes-set-point-next-hole-destroy)) ; if only one hole, go to it. |
---|
1352 | (t |
---|
1353 | (goto-char start) |
---|
1354 | (message |
---|
1355 | (substitute-command-keys |
---|
1356 | "\\[holes-set-point-next-hole-destroy] to jump to active hole. \\[holes-short-doc] to see holes doc."))))) |
---|
1357 | ))))) |
---|
1358 | |
---|
1359 | |
---|
1360 | |
---|
1361 | (defun coq-insert-tactic () |
---|
1362 | "Ask for a tactic name, with completion on a quasi-exhaustive list of coq |
---|
1363 | tactics and insert it at point. Questions may be asked to the user." |
---|
1364 | (interactive) |
---|
1365 | (coq-insert-from-db coq-tactics-db "Tactic")) |
---|
1366 | |
---|
1367 | (defun coq-insert-tactical () |
---|
1368 | "Ask for a tactical name, with completion on a quasi-exhaustive list of coq |
---|
1369 | tacticals and insert it at point. Questions may be asked to the user." |
---|
1370 | (interactive) |
---|
1371 | (coq-insert-from-db coq-tacticals-db "Tactical")) |
---|
1372 | |
---|
1373 | (defun coq-insert-command () |
---|
1374 | "Ask for a command name, with completion on a quasi-exhaustive list of coq |
---|
1375 | commands and insert it at point. Questions may be asked to the user." |
---|
1376 | (interactive) |
---|
1377 | (coq-insert-from-db coq-commands-db "Command")) |
---|
1378 | |
---|
1379 | (defun coq-insert-term () |
---|
1380 | "Ask for a term kind, with completion and insert it at point. Questions may |
---|
1381 | be asked to the user." |
---|
1382 | (interactive) |
---|
1383 | (coq-insert-from-db coq-terms-db "Kind of term")) |
---|
1384 | |
---|
1385 | |
---|
1386 | (define-key coq-keymap [(control ?i)] 'coq-insert-intros) |
---|
1387 | (define-key coq-keymap [(control ?m)] 'coq-insert-match) |
---|
1388 | (define-key coq-keymap [(control ?()] 'coq-insert-section-or-module) |
---|
1389 | (define-key coq-keymap [(control ?))] 'coq-end-Section) |
---|
1390 | (define-key coq-keymap [(control ?s)] 'coq-Show) |
---|
1391 | (define-key coq-keymap [(control ?t)] 'coq-insert-tactic) |
---|
1392 | (define-key coq-keymap [(control ?T)] 'coq-insert-tactical) |
---|
1393 | |
---|
1394 | (define-key coq-keymap [(control space)] 'coq-insert-term) |
---|
1395 | (define-key coq-keymap [(control return)] 'coq-insert-command) |
---|
1396 | |
---|
1397 | (define-key coq-keymap [(control ?r)] 'coq-insert-requires) |
---|
1398 | (define-key coq-keymap [(control ?o)] 'coq-SearchIsos) |
---|
1399 | |
---|
1400 | (define-key coq-keymap [(control ?p)] 'coq-Print) |
---|
1401 | (define-key coq-keymap [(control ?b)] 'coq-About) |
---|
1402 | (define-key coq-keymap [(control ?c)] 'coq-Check) |
---|
1403 | (define-key coq-keymap [(control ?h)] 'coq-PrintHint) |
---|
1404 | (define-key coq-keymap [(control ?l)] 'coq-LocateConstant) |
---|
1405 | (define-key coq-keymap [(control ?n)] 'coq-LocateNotation) |
---|
1406 | ;(define-key coq-keymap [?'] 'coq-highlight-error) |
---|
1407 | |
---|
1408 | |
---|
1409 | |
---|
1410 | ;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1411 | ;; error handling |
---|
1412 | ;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1413 | |
---|
1414 | |
---|
1415 | (defvar last-coq-error-location nil |
---|
1416 | "The last error message seen by `coq-get-last-error-location' and |
---|
1417 | `coq-highlight-error'.") |
---|
1418 | |
---|
1419 | |
---|
1420 | ;; I don't use proof-shell-last-ouput here since it is not always set to the |
---|
1421 | ;; really last ouptut (specially when a *tactic* gives an error) instead I go |
---|
1422 | ;; directly to the response buffer. This allows also to clean the response |
---|
1423 | ;; buffer (better to only scroll it?) |
---|
1424 | (defun coq-get-last-error-location (&optional parseresp clean) |
---|
1425 | "Return location information on last error sent by coq. Return a three |
---|
1426 | elements list (pos lgth) if successful, nil otherwise. pos is the number of |
---|
1427 | characters preceding the underlined expression, and lgth is its length. |
---|
1428 | Coq error message must be like this: |
---|
1429 | |
---|
1430 | \" |
---|
1431 | > command with an error here ... |
---|
1432 | > ^^^^ |
---|
1433 | \" |
---|
1434 | |
---|
1435 | If PARSERESP is nil, don't really parse response buffer but take the value of |
---|
1436 | `last-coq-error-location' instead, otherwise parse response buffer and updates |
---|
1437 | `last-coq-error-location'. |
---|
1438 | |
---|
1439 | If PARSERESP and CLEAN are non-nil, delete the error location from the response |
---|
1440 | buffer." |
---|
1441 | (if (not parseresp) last-coq-error-location |
---|
1442 | (save-excursion |
---|
1443 | ;; proof-shell-handle-error-or-interrupt-hook is called from shell buffer |
---|
1444 | (set-buffer proof-response-buffer) |
---|
1445 | (goto-char (point-max)) |
---|
1446 | (let* ((mtch (re-search-backward "\n>[^\n]+\n> \\( *\\)\\(\\^+\\)\n" nil 'dummy)) |
---|
1447 | (pos (and mtch (length (match-string 1)))) |
---|
1448 | (lgth (and (length (match-string 2)))) |
---|
1449 | (res (list pos lgth))) |
---|
1450 | ;; clean the response buffer from ultra-ugly underlined command line |
---|
1451 | ;; parsed above. Don't kill the first \n |
---|
1452 | (when (and clean mtch) (delete-region (+ mtch 1) (match-end 0))) |
---|
1453 | (when mtch |
---|
1454 | (setq last-coq-error-location res) |
---|
1455 | res))))) |
---|
1456 | |
---|
1457 | (defun coq-highlight-error (&optional parseresp clean) |
---|
1458 | "Parses the last coq output looking at an error message. Highlight the text |
---|
1459 | pointed by it. Coq error message must be like this: |
---|
1460 | |
---|
1461 | \" |
---|
1462 | > command with an error here ... |
---|
1463 | > ^^^^ |
---|
1464 | \" |
---|
1465 | |
---|
1466 | If PARSERESP is nil, don't really parse response buffer but take the value of |
---|
1467 | `last-coq-error-location' instead, otherwise parse response buffer and updates |
---|
1468 | `last-coq-error-location'. |
---|
1469 | |
---|
1470 | If PARSERESP and CLEAN are non-nil, delete the error location from the response |
---|
1471 | buffer." |
---|
1472 | (interactive) |
---|
1473 | (let ((mtch (coq-get-last-error-location parseresp clean))) |
---|
1474 | (when mtch |
---|
1475 | (let ((pos (car mtch)) |
---|
1476 | (lgth (cadr mtch))) |
---|
1477 | (set-buffer proof-script-buffer) |
---|
1478 | (goto-char (+ (proof-locked-end) 1)) |
---|
1479 | (coq-find-real-start) |
---|
1480 | (forward-char pos) |
---|
1481 | (let ((sp (make-span (point) (+ (point) lgth)))) |
---|
1482 | (set-span-face sp 'proof-warning-face) |
---|
1483 | ;; delete timer if exist |
---|
1484 | ;;(setq coq-highlight-error-timer (run-with-timer 10 nil 'delete-span sp)) |
---|
1485 | (ignore-errors (sit-for 20)) ; errors here would skip the next delete |
---|
1486 | (delete-span sp) |
---|
1487 | ))))) |
---|
1488 | |
---|
1489 | |
---|
1490 | (setq coq-allow-highlight-error t) |
---|
1491 | |
---|
1492 | ;; if a command is sent to coq without being in the script, then don't |
---|
1493 | ;; higilight the error |
---|
1494 | (defun coq-decide-highlight-error () |
---|
1495 | (if (eq action 'proof-done-invisible) |
---|
1496 | (setq coq-allow-highlight-error nil) |
---|
1497 | (setq coq-allow-highlight-error t))) |
---|
1498 | |
---|
1499 | (defun coq-highlight-error-hook () |
---|
1500 | (if coq-allow-highlight-error (save-excursion (coq-highlight-error t t)))) |
---|
1501 | |
---|
1502 | ;; We need this two hooks to highlight only when scripting |
---|
1503 | (add-hook 'proof-shell-handle-error-or-interrupt-hook 'coq-highlight-error-hook t) |
---|
1504 | (add-hook 'proof-shell-insert-hook 'coq-decide-highlight-error t) |
---|
1505 | |
---|
1506 | (provide 'coq) |
---|
1507 | |
---|
1508 | ;; Local Variables: *** |
---|
1509 | ;; fill-column: 79 *** |
---|
1510 | ;; indent-tabs-mode: nil *** |
---|
1511 | ;; End: *** |
---|
1512 | |
---|
1513 | ;;; coq.el ends here |
---|