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lean.json
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{
"name": "Lean",
"scopeName": "source.lean",
"fileTypes": ["lean"],
"comments": "Lean is full of types; `x < 0` is a type, as are many more complex statements. Highlighting these is probably unhelpful, so we use `meta.type.lean` instead of `entity.name.type.lean` to prevent the type color being used everywhere.",
"patterns": [
{"include": "#comments"},
{
"comment": "Commands which accept a definition and universe arguments",
"begin": "\\b(?<!\\.)(inductive|coinductive|structure|theorem|abbreviation|lemma|definition|def|class)\\b\\s+((\\{)([^}]*)(\\}))?",
"beginCaptures": {
"1": {"name": "keyword.other.definitioncommand.lean"},
"2": {"name": "meta.binder.universe.lean"},
"3": {"name": "punctuation.definition.binder.universe.begin.lean"},
"4": {"name": "variable.other.constant.universe.lean"},
"5": {"name": "punctuation.definition.binder.universe.end.lean"}
},
"patterns": [
{"include": "#comments"},
{"include": "#definitionName"},
{"match": ","}
],
"end": "(?=\\bwith\\b|\\bextends\\b|:|\\||\\.|\\(|\\[|\\{|⦃)",
"name": "meta.definitioncommand.lean"
},
{
"comment": "Commands which accept a definition",
"begin": "\\b(?<!\\.)(example|instance)\\b\\s+",
"beginCaptures": {
"1": {"name": "keyword.other.definitioncommand.lean"}
},
"patterns": [
{"include": "#comments"},
{"include": "#definitionName"},
{"match": ","}
],
"end": "(?=:|\\||\\.|\\(|\\[|\\{|⦃)",
"name": "meta.definitioncommand.lean"
},
{
"comment": "Commands which accept no definition",
"begin": "\\b(?<!\\.)(axiom|axioms|constant)\\b\\s+(\\{[^}]*\\})?",
"beginCaptures": {
"1": {"name": "keyword.other.definitioncommand.lean"}
},
"patterns": [
{"include": "#comments"},
{"include": "#definitionName"},
{"match": ","}
],
"end": "($|(?=:|\\||\\.|\\(|\\[|\\{|⦃))",
"name": "meta.definitioncommand.lean"
},
{ "begin": "\\battribute\\b\\s*\\[",
"end": "\\]",
"patterns": [
{"include": "#expressions"}
],
"name": "storage.modifier.lean" },
{ "begin": "@\\[",
"end": "\\]",
"patterns": [
{"include": "#expressions"}
],
"name": "storage.modifier.lean"},
{
"match": "\\b(?<!\\.)(private|meta|mutual|protected|noncomputable)\\b",
"name": "keyword.control.definition.modifier.lean"
},
{ "match": "#print\\s+(def|definition|inductive|instance|structure|axiom|axioms|class)\\b", "name": "keyword.other.command.lean" },
{ "match": "#(print|eval|reduce|check|help|exit|find|where)\\b", "name": "keyword.other.command.lean" },
{
"match": "\\b(?<!\\.)(import|export|prelude|theory|definition|def|abbreviation|instance|renaming|hiding|exposing|constant|lemma|theorem|example|open|axiom|inductive|coinductive|with|structure|universe|universes|alias|precedence|reserve|postfix|prefix|infix|infixl|infixr|notation|namespace|section|local|set_option|extends|include|omit|class|classes|instances|raw|run_cmd|restate_axiom)(?!\\.)\\b",
"name": "keyword.other.lean"
},
{ "match": "\\b(?<!\\.)(variable|variables|parameter|parameters|constants)(?!\\.)\\b",
"name": "keyword.other.lean"
},
{ "include": "#expressions" }
],
"repository": {
"expressions": {
"patterns": [
{ "match": "\\b(Prop|Type|Sort)\\b", "name": "storage.type.lean" },
{ "match": "\\b(sorry)\\b", "name": "invalid.illegal.lean" },
{ "begin": "«", "end": "»", "contentName": "entity.name.lean"},
{ "match": "\\b(?<!\\.)(if|then|else)\\b", "name": "keyword.control.lean" },
{
"begin": "\"", "end": "\"",
"beginCaptures": {"0": {"name": "punctuation.definition.string.begin.lean"}},
"endCaptures": {"0": {"name": "punctuation.definition.string.end.lean"}},
"name": "string.quoted.double.lean",
"patterns": [
{"match": "\\\\[\\\\\"nt']", "name": "constant.character.escape.lean"},
{"match": "\\\\x[0-9A-Fa-f][0-9A-Fa-f]", "name": "constant.character.escape.lean"},
{"match": "\\\\u[0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f]", "name": "constant.character.escape.lean"}
]
},
{ "name": "string.quoted.single.lean", "match": "'[^\\\\']'" },
{ "name": "string.quoted.single.lean", "match": "'(\\\\(x..|u....|.))'",
"captures": {"1": {"name": "constant.character.escape.lean"}} },
{ "match": "`+(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟](?:(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟0-9'ⁿ-₉ₐ-ₜᵢ-ᵪ])*",
"name": "entity.name.lean" },
{ "match": "\\b([0-9]+|0([xX][0-9a-fA-F]+))\\b", "name": "constant.numeric.lean" },
{
"match": "\\b(?<!\\.)(calc|have|this|match|do|suffices|show|by|in|at|let|from|obtain|haveI)(?!\\.)\\b",
"name": "keyword.other.lean"
},
{
"match": "\\b(?<!\\.)λ",
"name": "keyword.other.lean"
},
{
"match": "\\b(?<!\\.)(begin|end|using)(?!\\.)\\b",
"name": "keyword.other.lean"
},
{
"begin": "\\(", "end": "\\)",
"comment": "Type annotations",
"name": "meta.parens",
"patterns" : [
{ "begin": ":", "end": "(?=\\))",
"beginCaptures": {"0": {"name": "punctuation.separator.type.lean"}},
"contentName": "meta.type.lean",
"patterns" : [
{"include": "#expressions"}
]
},
{ "include": "#expressions" }
]
},
{ "include": "#dashComment"},
{ "include": "#blockComment"},
{ "include": "#stringBlock"}
]
},
"dashComment": {
"begin": "(--)", "end": "$",
"beginCaptures": {"0": {"name": "punctuation.definition.comment.lean"}},
"name": "comment.line.double-dash.lean",
"patterns": [
{"include": "source.lean.markdown"}
]
},
"docComment": {
"begin": "/--", "end": "-/", "name": "comment.block.documentation.lean",
"patterns": [
{"include": "source.lean.markdown"},
{"include": "#blockComment"}
]
},
"stringBlock": {
"begin": "/-\"", "end": "\"-/", "name": "comment.block.string.lean",
"patterns": [
{"include": "source.lean.markdown"},
{"include": "#blockComment"}
]
},
"modDocComment": {
"begin": "/-!", "end": "-/", "name": "comment.block.documentation.lean",
"patterns": [
{"include": "source.lean.markdown"},
{"include": "#blockComment"}
]
},
"blockComment": {
"begin": "/-", "end": "-/", "name": "comment.block.lean",
"patterns": [
{"include": "source.lean.markdown"},
{"include": "#blockComment"}
]
},
"comments": {
"patterns": [
{"include": "#dashComment"},
{"include": "#docComment"},
{"include": "#stringBlock"},
{"include": "#modDocComment"},
{"include": "#blockComment"}
]
},
"definitionName": {
"comment": "This regex matches the lean3 parser implementation here: https://github.com/leanprover-community/lean/blob/65ad4ffdb3abac75be748554e3cbe990fb1c6500/src/util/name.cpp#L28-L56. Note that unlike `#binderName`, `#definitionName` can contain dots.",
"patterns": [
{ "match": "(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟](?:(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟0-9'ⁿ-₉ₐ-ₜᵢ-ᵪ])*(\\.(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟](?:(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟0-9'ⁿ-₉ₐ-ₜᵢ-ᵪ])*)*",
"name": "entity.name.function.lean"},
{ "begin": "«", "end": "»", "contentName": "entity.name.function.lean"}
]
},
"binderName": {
"patterns": [
{ "match": "(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟](?:(?![λΠΣ])[_a-zA-Zα-ωΑ-Ωϊ-ϻἀ-῾℀-⅏𝒜-𝖟0-9'ⁿ-₉ₐ-ₜᵢ-ᵪ])*",
"name": "variable.parameter.lean"},
{ "begin": "«", "end": "»", "contentName": "variable.parameter.lean"}
]
}
}
}