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Diffstat (limited to 'pygments/lexers/theorem.py')
| -rw-r--r-- | pygments/lexers/theorem.py | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/pygments/lexers/theorem.py b/pygments/lexers/theorem.py new file mode 100644 index 00000000..98a611ad --- /dev/null +++ b/pygments/lexers/theorem.py @@ -0,0 +1,156 @@ +# -*- coding: utf-8 -*- +""" + pygments.lexers.functl + ~~~~~~~~~~~~~~~~~~~~~~ + + Lexers for theorem-proving languages. + + :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +from pygments.lexer import RegexLexer, default, words +from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ + Number, Punctuation + +__all__ = ['CoqLexer'] + + +class CoqLexer(RegexLexer): + """ + For the `Coq <http://coq.inria.fr/>`_ theorem prover. + + .. versionadded:: 1.5 + """ + + name = 'Coq' + aliases = ['coq'] + filenames = ['*.v'] + mimetypes = ['text/x-coq'] + + keywords1 = ( + # Vernacular commands + 'Section', 'Module', 'End', 'Require', 'Import', 'Export', 'Variable', + 'Variables', 'Parameter', 'Parameters', 'Axiom', 'Hypothesis', + 'Hypotheses', 'Notation', 'Local', 'Tactic', 'Reserved', 'Scope', + 'Open', 'Close', 'Bind', 'Delimit', 'Definition', 'Let', 'Ltac', + 'Fixpoint', 'CoFixpoint', 'Morphism', 'Relation', 'Implicit', + 'Arguments', 'Set', 'Unset', 'Contextual', 'Strict', 'Prenex', + 'Implicits', 'Inductive', 'CoInductive', 'Record', 'Structure', + 'Canonical', 'Coercion', 'Theorem', 'Lemma', 'Corollary', + 'Proposition', 'Fact', 'Remark', 'Example', 'Proof', 'Goal', 'Save', + 'Qed', 'Defined', 'Hint', 'Resolve', 'Rewrite', 'View', 'Search', + 'Show', 'Print', 'Printing', 'All', 'Graph', 'Projections', 'inside', + 'outside', 'Check', + ) + keywords2 = ( + # Gallina + 'forall', 'exists', 'exists2', 'fun', 'fix', 'cofix', 'struct', + 'match', 'end', 'in', 'return', 'let', 'if', 'is', 'then', 'else', + 'for', 'of', 'nosimpl', 'with', 'as', + ) + keywords3 = ( + # Sorts + 'Type', 'Prop', + ) + keywords4 = ( + # Tactics + 'pose', 'set', 'move', 'case', 'elim', 'apply', 'clear', 'hnf', 'intro', + 'intros', 'generalize', 'rename', 'pattern', 'after', 'destruct', + 'induction', 'using', 'refine', 'inversion', 'injection', 'rewrite', + 'congr', 'unlock', 'compute', 'ring', 'field', 'replace', 'fold', + 'unfold', 'change', 'cutrewrite', 'simpl', 'have', 'suff', 'wlog', + 'suffices', 'without', 'loss', 'nat_norm', 'assert', 'cut', 'trivial', + 'revert', 'bool_congr', 'nat_congr', 'symmetry', 'transitivity', 'auto', + 'split', 'left', 'right', 'autorewrite', 'tauto', + ) + keywords5 = ( + # Terminators + 'by', 'done', 'exact', 'reflexivity', 'tauto', 'romega', 'omega', + 'assumption', 'solve', 'contradiction', 'discriminate', + ) + keywords6 = ( + # Control + 'do', 'last', 'first', 'try', 'idtac', 'repeat', + ) + # 'as', 'assert', 'begin', 'class', 'constraint', 'do', 'done', + # 'downto', 'else', 'end', 'exception', 'external', 'false', + # 'for', 'fun', 'function', 'functor', 'if', 'in', 'include', + # 'inherit', 'initializer', 'lazy', 'let', 'match', 'method', + # 'module', 'mutable', 'new', 'object', 'of', 'open', 'private', + # 'raise', 'rec', 'sig', 'struct', 'then', 'to', 'true', 'try', + # 'type', 'val', 'virtual', 'when', 'while', 'with' + keyopts = ( + '!=', '#', '&', '&&', r'\(', r'\)', r'\*', r'\+', ',', '-', r'-\.', + '->', r'\.', r'\.\.', ':', '::', ':=', ':>', ';', ';;', '<', '<-', + '<->', '=', '>', '>]', '>}', r'\?', r'\?\?', r'\[', r'\[<', r'\[>', + r'\[\|', ']', '_', '`', '{', '{<', r'\|', r'\|]', '}', '~', '=>', + r'/\\', r'\\/', + u'Π', u'λ', + ) + operators = r'[!$%&*+\./:<=>?@^|~-]' + word_operators = ('and', 'asr', 'land', 'lor', 'lsl', 'lxor', 'mod', 'or') + prefix_syms = r'[!?~]' + infix_syms = r'[=<>@^|&+\*/$%-]' + primitives = ('unit', 'int', 'float', 'bool', 'string', 'char', 'list', + 'array') + + tokens = { + 'root': [ + (r'\s+', Text), + (r'false|true|\(\)|\[\]', Name.Builtin.Pseudo), + (r'\(\*', Comment, 'comment'), + (words(keywords1, prefix=r'\b', suffix=r'\b'), Keyword.Namespace), + (words(keywords2, prefix=r'\b', suffix=r'\b'), Keyword), + (words(keywords3, prefix=r'\b', suffix=r'\b'), Keyword.Type), + (words(keywords4, prefix=r'\b', suffix=r'\b'), Keyword), + (words(keywords5, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo), + (words(keywords6, prefix=r'\b', suffix=r'\b'), Keyword.Reserved), + (r'\b([A-Z][\w\']*)(?=\s*\.)', Name.Namespace, 'dotted'), + (r'\b([A-Z][\w\']*)', Name.Class), + (r'(%s)' % '|'.join(keyopts[::-1]), Operator), + (r'(%s|%s)?%s' % (infix_syms, prefix_syms, operators), Operator), + (r'\b(%s)\b' % '|'.join(word_operators), Operator.Word), + (r'\b(%s)\b' % '|'.join(primitives), Keyword.Type), + + (r"[^\W\d][\w']*", Name), + + (r'\d[\d_]*', Number.Integer), + (r'0[xX][\da-fA-F][\da-fA-F_]*', Number.Hex), + (r'0[oO][0-7][0-7_]*', Number.Oct), + (r'0[bB][01][01_]*', Number.Bin), + (r'-?\d[\d_]*(.[\d_]*)?([eE][+\-]?\d[\d_]*)', Number.Float), + + (r"'(?:(\\[\\\"'ntbr ])|(\\[0-9]{3})|(\\x[0-9a-fA-F]{2}))'", + String.Char), + (r"'.'", String.Char), + (r"'", Keyword), # a stray quote is another syntax element + + (r'"', String.Double, 'string'), + + (r'[~?][a-z][\w\']*:', Name.Variable), + ], + 'comment': [ + (r'[^(*)]+', Comment), + (r'\(\*', Comment, '#push'), + (r'\*\)', Comment, '#pop'), + (r'[(*)]', Comment), + ], + 'string': [ + (r'[^"]+', String.Double), + (r'""', String.Double), + (r'"', String.Double, '#pop'), + ], + 'dotted': [ + (r'\s+', Text), + (r'\.', Punctuation), + (r'[A-Z][\w\']*(?=\s*\.)', Name.Namespace), + (r'[A-Z][\w\']*', Name.Class, '#pop'), + (r'[a-z][a-z0-9_\']*', Name, '#pop'), + default('#pop') + ], + } + + def analyse_text(text): + if text.startswith('(*'): + return True |