57 lines
2.9 KiB
EmacsLisp
57 lines
2.9 KiB
EmacsLisp
(require 'generic-x)
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(require 'lean-input)
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(require 'compile)
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(defvar lean-exe "lean"
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"Path for the Lean executable")
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(defun lean-execute ()
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"Execute Lean in the current buffer"
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(interactive)
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(compile (format "%s %s" lean-exe (buffer-file-name))))
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(defun lean-set-keys ()
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(local-set-key "\C-c\C-x" 'lean-execute)
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(local-set-key "\C-c\C-l" 'lean-execute))
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(define-abbrev-table 'lean-mode-abbrev-table '(
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("var" "variable")
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("vars" "variables")
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("def" "definition")
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("th" "theorem")
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))
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(define-generic-mode
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'lean-mode ;; name of the mode to create
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'("--") ;; comments start with
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'("import" "abbreviation" "definition" "parameter" "parameters" "proof" "qed" "conjecture" "hypothesis" "lemma" "corollary" "variable" "variables" "print" "theorem" "axiom" "inductive" "with" "universe" "alias" "help" "environment" "options" "precedence" "postfix" "calc_trans" "calc_subst" "calc_refl" "infix" "infixl" "infixr" "notation" "eval" "check" "exit" "coercion" "end" "using" "namespace" "builtin" "section" "set_option" "add_rewrite") ;; some keywords
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'(("\\_<\\(Bool\\|Int\\|Nat\\|Real\\|Type\\|TypeU\\|ℕ\\|ℤ\\)\\_>" . 'font-lock-type-face)
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("\\_<\\(calc\\|have\\|show\\|by\\|in\\|let\\|forall\\|fun\\|exists\\|if\\|then\\|else\\|assume\\|take\\|obtain\\|from\\)\\_>" . font-lock-keyword-face)
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("\"[^\"]*\"" . 'font-lock-string-face)
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("\\(->\\|↔\\|/\\\\\\|==\\|\\\\/\\|[*+/<=>¬∧∨≠≤≥-]\\)" . 'font-lock-constant-face)
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("\\(λ\\|→\\|∃\\|∀\\|:\\|:=\\)" . font-lock-constant-face)
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("\\_<\\(\\b.*_tac\\|Cond\\|or_else\\|t\\(?:hen\\|ry\\)\\|when\\|assumption\\|apply\\|b\\(?:ack\\|eta\\)\\|done\\|exact\\)\\_>" . 'font-lock-constant-face)
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("\\_<\\(universe\\|theorem\\|axiom\\|definition\\|variable\\|parameter\\)\\_>[ \t\{\[]*\\([^ \t\n]*\\)" (2 'font-lock-function-name-face))
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("\\_<\\(variables\\|parameters\\)\\_>[ \t\{\[]*\\([^:]*\\)" (2 'font-lock-function-name-face))
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("\\(set_opaque\\|set_option\\)[ \t]*\\([^ \t\n]*\\)" (2 'font-lock-constant-face))
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("\\_<_\\_>" . 'font-lock-preprocessor-face)
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;;
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)
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'("\\.lean$") ;; files for which to activate this mode
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'((lambda()
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(set-input-method "Lean")
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(set (make-local-variable 'lisp-indent-function)
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'common-lisp-indent-function)
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(lean-set-keys)
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(setq local-abbrev-table lean-mode-abbrev-table)
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(abbrev-mode 1)
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))
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"A mode for Lean files" ;; doc string for this mode
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)
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(provide 'lean-mode)
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; (regexp-opt '("Int" "Bool" "Nat" "Type" "Real") t)
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; (regexp-opt '("let" "in" "have" "calc" "forall" "exists") t)
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; (regexp-opt '("=" "->" "≠" "∨" "∧" "¬" "/\\" "\\/" "+" "-" "*" "/" "<" ">" "≤" "≥" "==" "∀" "∃" "→" "λ" ":") t)
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; (regexp-opt '("apply" "exact" "trivial" "absurd" "beta" "apply" "unfold" "done" "back" "Try" "Then" "OrElse" "OrElse" "Cond" "When" "unfold_all" ) t)
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