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kakoune/rc/filetype/coq.kak

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# Detection
# --------
hook global BufCreate .*\.v %{
set-option buffer filetype coq
}
# Initialization
# --------------
hook global WinSetOption filetype=coq %{
require-module coq
hook window InsertChar \n -group coq-indent coq-copy-indent-on-newline
set-option window static_words %opt{coq_static_words}
add-highlighter window/coq ref coq
hook -once -always window WinSetOption filetype=.* %{
remove-highlighter window/coq
remove-hooks window coq-indent
}
}
provide-module coq %{
# Syntax
# ------
# This is a `looks sensible' keyword syntax highlighting, far from being correct.
# Note that only the core language and the proof language is supported,
# the Ltac language is not (for now).
add-highlighter shared/coq regions
add-highlighter shared/coq/comment region -recurse \Q(* \Q(* \Q*) fill comment
add-highlighter shared/coq/string region (?<!")" (?<!")("")*" fill string
add-highlighter shared/coq/command default-region group
# This is not any lexical convention of coq, simply highlighting used to make
# proofs look better, based on how people usually use notations
add-highlighter shared/coq/command/ regex [`!@#$%^&*-=+\\:\;|<>/]+ 0:operator
add-highlighter shared/coq/command/ regex \(dfs\)|\(bfs\) 0:operator
add-highlighter shared/coq/command/ regex [()\[\]{}] 0:operator
# numeral literals
add-highlighter shared/coq/command/ regex [-]?[0-9][0-9_]*(\.[0-9_]+)?([eE][+-][0-9_]+)? 0:value
evaluate-commands %sh{
# These are builtin keywords of the Gallina language (without tactics)
keywords="_ IF Prop SProp Set Type as at by cofix discriminated else end exists exists2 fix for"
keywords="${keywords} forall fun if in lazymatch let match multimatch return then using where with"
keywords="${keywords} inside outside"
# These are (part of) coq top level commands
commands="Abort About Add Admitted All Arguments Axiom Back BackTo"
commands="${commands} Canonical Cd Check Coercion CoFixpoint Collection Compute Conjecture Context Contextual Corollary"
commands="${commands} Declare Defined Definition Delimit Drop End Eval Example Existential Export"
commands="${commands} Fact Fail File Fixpoint Focus From Function Generalizable Global Goal Grab"
commands="${commands} Hint Hypotheses Hypothesis Immediate Implicit Import Include Inductive"
commands="${commands} Lemma Let Library Load LoadPath Local Locate Module No Notation Opaque"
commands="${commands} Parameter Parameters Primitive Print Proof Property Proposition Pwd Qed Quit"
commands="${commands} Rec Record Redirect Register Remark Remove Require Reset"
commands="${commands} Section Search SearchAbout SearchHead SearchPattern SearchRewrite Show Strategy"
commands="${commands} Test Theorem Time Timeout Transparent Types Universes Undo Unfocus Unfocused Unset Variable Variables"
# These are (part of) coq's builtin tactics
tactics="abstract absurd admit all apply assert assert_fails"
tactics="${tactics} assert_succeeds assumption auto autoapply"
tactics="${tactics} autorewrite autounfold btauto by case cbn"
tactics="${tactics} cbv change clear clearbody cofix compare"
tactics="${tactics} compute congr congruence constructor contradict"
tactics="${tactics} cut cutrewrite cycle decide decompose dependent"
tactics="${tactics} destruct discriminate do done double"
tactics="${tactics} eapply eassert eauto eexact elim elimtype exact exfalso"
tactics="${tactics} fail field first firstorder fix fold functional"
tactics="${tactics} generalize guard have hnf idtac induction injection"
tactics="${tactics} instantiate intro intros intuition inversion"
tactics="${tactics} inversion_clear lapply lazy last move omega"
tactics="${tactics} pattern pose progress red refine reflexivity"
tactics="${tactics} remember rename repeat replace rewrite right ring"
tactics="${tactics} set setoid_reflexivity setoid_replace setoid_rewrite"
tactics="${tactics} setoid_symmetry setoid_transitivity simpl simple"
tactics="${tactics} simplify_eq solve specialize split start stop"
tactics="${tactics} subst symmetry tauto transitivity trivial try"
tactics="${tactics} under unfold unify unlock"
echo declare-option str-list coq_static_words ${keywords} ${commands} ${tactics}
keywords_regex=$(echo ${keywords} | tr ' ' '|')
printf %s "
add-highlighter shared/coq/command/ regex \b(${keywords_regex})\b 0:keyword
"
commands_regex=$(echo ${commands} | tr ' ' '|')
printf %s "
add-highlighter shared/coq/command/ regex ^[\h\n]*(${commands_regex})\b 0:variable
"
tactics_regex=$(echo ${tactics} | tr ' ' '|')
printf %s "
add-highlighter shared/coq/command/ regex \b(${tactics_regex})\b 0:keyword
"
}
# Indentation
# -----------
# Coq's syntax is based heavily on keywords and program structure,
# not based on explicit, unique delimiters, like braces in C-family.
# So it is difficult to properly indent using only regex...
# Hence here only a simple mechanism of copying indent is done.
define-command -hidden coq-copy-indent-on-newline %{
evaluate-commands -draft -itersel %{
try %{ execute-keys -draft k <a-x> s ^\h+ <ret> y gh j P }
}
}
}