172 lines
9 KiB
EmacsLisp
172 lines
9 KiB
EmacsLisp
;; Copyright (c) 2013, 2014 Microsoft Corporation. All rights reserved.
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;; Released under Apache 2.0 license as described in the file LICENSE.
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;;
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;; Author: Leonardo de Moura
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;; Soonho Kong
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;;
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(require 'rx)
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(defconst lean-keywords
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'("import" "prelude" "tactic_hint" "protected" "private" "opaque" "definition" "renaming"
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"hiding" "exposing" "parameter" "parameters" "begin" "proof" "qed" "conjecture" "constant" "constants"
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"hypothesis" "lemma" "corollary" "variable" "variables" "premise" "premises"
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"print" "theorem" "example" "abbreviation"
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"open" "as" "export" "axiom" "axioms" "inductive" "with" "structure" "record" "universe" "universes"
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"alias" "help" "environment" "options" "precedence" "reserve"
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"match" "infix" "infixl" "infixr" "notation" "postfix" "prefix"
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"tactic_infix" "tactic_infixl" "tactic_infixr" "tactic_notation" "tactic_postfix" "tactic_prefix"
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"eval" "check" "coercion" "end"
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"using" "namespace" "section" "fields" "find_decl"
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"attribute" "local" "set_option" "add_rewrite" "extends" "include" "omit" "classes"
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"instances" "coercions" "metaclasses" "raw" "migrate" "replacing")
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"lean keywords")
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(defconst lean-syntax-table
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(let ((st (make-syntax-table)))
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;; Matching parens
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(modify-syntax-entry ?\[ "(]" st)
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(modify-syntax-entry ?\] ")[" st)
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(modify-syntax-entry ?\{ "(}" st)
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(modify-syntax-entry ?\} "){" st)
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;; comment
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(modify-syntax-entry ?/ ". 14nb" st)
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(modify-syntax-entry ?- ". 123" st)
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(modify-syntax-entry ?\n ">" st)
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;; Word constituent
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(--map (modify-syntax-entry it "w" st)
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(list ?a ?b ?c ?d ?e ?f ?g ?h ?i ?j ?k ?l ?m
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?n ?o ?p ?q ?r ?s ?t ?u ?v ?w ?x ?y ?z
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?A ?B ?C ?D ?E ?F ?G ?H ?I ?J ?K ?L ?M
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?N ?O ?P ?Q ?R ?S ?T ?U ?V ?W ?X ?Y ?Z))
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(--map (modify-syntax-entry it "w" st)
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(list ?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9))
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(--map (modify-syntax-entry it "w" st)
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(list ?α ?β ?γ ?δ ?ε ?ζ ?η ?θ ?ι ?κ ;;?λ
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?μ ?ν ?ξ ?ο ?π ?ρ ?ς ?σ ?τ ?υ
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?φ ?χ ?ψ ?ω))
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(--map (modify-syntax-entry it "w" st)
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(list ?ϊ ?ϋ ?ό ?ύ ?ώ ?Ϗ ?ϐ ?ϑ ?ϒ ?ϓ ?ϔ ?ϕ ?ϖ
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?ϗ ?Ϙ ?ϙ ?Ϛ ?ϛ ?Ϝ ?ϝ ?Ϟ ?ϟ ?Ϡ ?ϡ ?Ϣ ?ϣ
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?Ϥ ?ϥ ?Ϧ ?ϧ ?Ϩ ?ϩ ?Ϫ ?ϫ ?Ϭ ?ϭ ?Ϯ ?ϯ ?ϰ
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?ϱ ?ϲ ?ϳ ?ϴ ?ϵ ?϶ ?Ϸ ?ϸ ?Ϲ ?Ϻ ?ϻ))
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(--map (modify-syntax-entry it "w" st)
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(list ?ἀ ?ἁ ?ἂ ?ἃ ?ἄ ?ἅ ?ἆ ?ἇ ?Ἀ ?Ἁ ?Ἂ ?Ἃ ?Ἄ
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?Ἅ ?Ἆ ?Ἇ ?ἐ ?ἑ ?ἒ ?ἓ ?ἔ ?ἕ ? ? ?Ἐ ?Ἑ
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?Ἒ ?Ἓ ?Ἔ ?Ἕ ? ? ?ἠ ?ἡ ?ἢ ?ἣ ?ἤ ?ἥ
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?ἦ ?ἧ ?Ἠ ?Ἡ ?Ἢ ?Ἣ ?Ἤ ?Ἥ ?Ἦ ?Ἧ ?ἰ ?ἱ
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?ἲ ?ἳ ?ἴ ?ἵ ?ἶ ?ἷ ?Ἰ ?Ἱ ?Ἲ ?Ἳ ?Ἴ ?Ἵ ?Ἶ ?Ἷ
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?ὀ ?ὁ ?ὂ ?ὃ ?ὄ ?ὅ ? ? ?Ὀ ?Ὁ ?Ὂ ?Ὃ
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?Ὄ ?Ὅ ? ? ?ὐ ?ὑ ?ὒ ?ὓ ?ὔ ?ὕ ?ὖ ?ὗ
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? ?Ὑ ? ?Ὓ ? ?Ὕ ? ?Ὗ ?ὠ ?ὡ ?ὢ
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?ὣ ?ὤ ?ὥ ?ὦ ?ὧ ?Ὠ ?Ὡ ?Ὢ ?Ὣ ?Ὤ ?Ὥ ?Ὦ
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?Ὧ ?ὰ ?ά ?ὲ ?έ ?ὴ ?ή ?ὶ ?ί ?ὸ ?ό ?ὺ ?ύ ?ὼ
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?ώ ? ? ?ᾀ ?ᾁ ?ᾂ ?ᾃ ?ᾄ ?ᾅ ?ᾆ ?ᾇ ?ᾈ
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?ᾉ ?ᾊ ?ᾋ ?ᾌ ?ᾍ ?ᾎ ?ᾏ ?ᾐ ?ᾑ ?ᾒ ?ᾓ ?ᾔ
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?ᾕ ?ᾖ ?ᾗ ?ᾘ ?ᾙ ?ᾚ ?ᾛ ?ᾜ ?ᾝ ?ᾞ ?ᾟ ?ᾠ ?ᾡ ?ᾢ
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?ᾣ ?ᾤ ?ᾥ ?ᾦ ?ᾧ ?ᾨ ?ᾩ ?ᾪ ?ᾫ ?ᾬ ?ᾭ ?ᾮ ?ᾯ ?ᾰ
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?ᾱ ?ᾲ ?ᾳ ?ᾴ ? ?ᾶ ?ᾷ ?Ᾰ ?Ᾱ ?Ὰ ?Ά ?ᾼ ?᾽
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?ι ?᾿ ?῀ ?῁ ?ῂ ?ῃ ?ῄ ? ?ῆ ?ῇ ?Ὲ ?Έ ?Ὴ
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?Ή ?ῌ ?῍ ?῎ ?῏ ?ῐ ?ῑ ?ῒ ?ΐ ? ? ?ῖ ?ῗ
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?Ῐ ?Ῑ ?Ὶ ?Ί ? ?῝ ?῞ ?῟ ?ῠ ?ῡ ?ῢ ?ΰ ?ῤ ?ῥ
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?ῦ ?ῧ ?Ῠ ?Ῡ ?Ὺ ?Ύ ?Ῥ ?῭ ?΅ ?` ? ? ?ῲ ?ῳ
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?ῴ ? ?ῶ ?ῷ ?Ὸ ?Ό ?Ὼ ?Ώ ?ῼ ?´ ?῾))
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(--map (modify-syntax-entry it "w" st)
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(list ?℀ ?℁ ?ℂ ?℃ ?℄ ?℅ ?℆ ?ℇ ?℈ ?℉ ?ℊ ?ℋ ?ℌ ?ℍ ?ℎ
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?ℏ ?ℐ ?ℑ ?ℒ ?ℓ ?℔ ?ℕ ?№ ?℗ ?℘ ?ℙ ?ℚ ?ℛ ?ℜ ?ℝ
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?℞ ?℟ ?℠ ?℡ ?™ ?℣ ?ℤ ?℥ ?Ω ?℧ ?ℨ ?℩ ?K ?Å ?ℬ
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?ℭ ?℮ ?ℯ ?ℰ ?ℱ ?Ⅎ ?ℳ ?ℴ ?ℵ ?ℶ ?ℷ ?ℸ ?ℹ ?℺ ?℻
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?ℼ ?ℽ ?ℾ ?ℿ ?⅀ ?⅁ ?⅂ ?⅃ ?⅄ ?ⅅ ?ⅆ ?ⅇ ?ⅈ ?ⅉ ?⅊
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?⅋ ?⅌ ?⅍ ?ⅎ ?⅏))
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(modify-syntax-entry ?' "w" st)
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(modify-syntax-entry ?_ "w" st)
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;; Lean operator chars
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(mapc #'(lambda (ch) (modify-syntax-entry ch "_" st))
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"!#$%&*+.<=>@^|~:")
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;; Whitespace is whitespace
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(modify-syntax-entry ?\ " " st)
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(modify-syntax-entry ?\t " " st)
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;; Strings
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(modify-syntax-entry ?\" "\"" st)
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(modify-syntax-entry ?\\ "/" st)
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st))
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(defconst lean-font-lock-defaults
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`((;; Keywords
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(,(rx word-start (or "calc" "have" "obtains" "show" "by" "in" "at" "let" "forall" "fun"
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"exists" "if" "dif" "then" "else" "assume" "assert" "take" "obtain" "from") word-end)
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. font-lock-keyword-face)
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;; String
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("\"[^\"]*\"" . 'font-lock-string-face)
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;; Constants
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(,(rx symbol-start (or "#" "@" "->" "∼" "↔" "/" "==" "=" ":=" "<->" "/\\" "\\/" "∧" "∨" "≠" "<" ">" "≤" "≥" "¬" "<=" ">=" "⁻¹" "⬝" "▸" "+" "*" "-" "/") symbol-end)
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. 'font-lock-constant-face)
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(,(rx symbol-start (or "λ" "→" "∃" "∀" ":=") symbol-end) . 'font-lock-constant-face )
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;; universe/inductive/theorem... "names"
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(,(rx word-start
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(group (or "inductive" "structure" "record" "theorem" "axiom" "axioms" "lemma" "hypothesis" "definition" "constant"))
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word-end
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(zero-or-more (or whitespace "(" "{" "["))
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(group (zero-or-more (not (any " \t\n\r{([")))))
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(2 'font-lock-function-name-face))
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("\\(set_option\\)[ \t]*\\([^ \t\n]*\\)" (2 'font-lock-constant-face))
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;; place holder
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(,(rx symbol-start "_" symbol-end) . 'font-lock-preprocessor-face)
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;; modifiers
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(,(rx (or "\[persistent\]" "\[notation\]" "\[visible\]" "\[instance\]" "\[class\]" "\[parsing-only\]"
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"\[coercion\]" "\[unfold-f\]" "\[unfold-m\]" "\[reducible\]"
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"\[irreducible\]" "\[semireducible\]" "\[quasireducible\]" "\[wf\]"
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"\[whnf\]" "\[multiple-instances\]" "\[none\]"
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"\[decls\]" "\[declarations\]" "\[all-transparent\]" "\[coercions\]" "\[classes\]"
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"\[symm\]" "\[subst\]" "\[refl\]" "\[trans\]"
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"\[notations\]" "\[abbreviations\]" "\[begin-end-hints\]" "\[tactic-hints\]" "\[reduce-hints\]"))
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. 'font-lock-doc-face)
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(,(rx "\[priority" (zero-or-more (not (any "\]"))) "\]") . font-lock-doc-face)
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(,(rx "\[unfold-c" (zero-or-more (not (any "\]"))) "\]") . font-lock-doc-face)
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;; tactics
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("cases[ \t\n]+[^ \t\n]+[ \t\n]+\\(with\\)" (1 'font-lock-constant-face))
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(,(rx (not (any "\.")) word-start
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(group
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(or "\\b.*_tac" "Cond" "or_else" "then" "try" "when" "assumption" "eassumption" "rapply"
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"apply" "fapply" "eapply" "rename" "intro" "intros" "all_goals" "fold"
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"generalize" "generalizes" "clear" "clears" "revert" "reverts" "back" "beta" "done" "exact" "rexact"
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"refine" "repeat" "whnf" "rotate" "rotate_left" "rotate_right" "inversion" "cases" "rewrite" "esimp"
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"unfold" "change" "check_expr" "contradiction" "exfalso" "split" "existsi" "constructor" "left" "right"
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"injection" "congruence" "reflexivity" "symmetry" "transitivity"))
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word-end)
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(1 'font-lock-constant-face))
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;; Types
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(,(rx word-start (or "Prop" "Type" "Type'" "Type₊" "Type₀" "Type₁" "Type₂" "Type₃") symbol-end) . 'font-lock-type-face)
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(,(rx word-start (group "Type") ".") (1 'font-lock-type-face))
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;; sorry
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(,(rx word-start "sorry" word-end) . 'font-lock-warning-face)
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(,(rx word-start "exit" word-end) . 'font-lock-warning-face)
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;; extra-keywords
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(,(rx (or "∎")) . 'font-lock-keyword-face)
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;; lean-keywords
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(, (concat "\\(" (regexp-opt lean-keywords 'words) "\\)")
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(1 'font-lock-keyword-face)))))
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;; Syntax Highlighting for Lean Info Mode
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(defconst lean-info-font-lock-defaults
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(let ((new-entries
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`(;; Please add more after this:
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(,(rx word-start (group (+ wordchar)) word-end (+ white) ":")
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(1 'font-lock-variable-name-face))
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(,(rx white ":" white)
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. 'font-lock-keyword-face)
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(,(rx "⊢" white)
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. 'font-lock-keyword-face)
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(,(rx "[" (group "stale") "]")
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(1 'font-lock-warning-face))
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(,(rx line-start "No Goal" line-end)
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. 'font-lock-constant-face)))
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(inherited-entries (car lean-font-lock-defaults)))
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`(,(-concat new-entries inherited-entries))))
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(provide 'lean-syntax)
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