const lang = Object.freeze({ "displayName": "Scheme", "fileTypes": ["scm", "ss", "sch", "rkt"], "name": "scheme", "patterns": [{ "include": "#comment" }, { "include": "#block-comment" }, { "include": "#sexp" }, { "include": "#string" }, { "include": "#language-functions" }, { "include": "#quote" }, { "include": "#illegal" }], "repository": { "block-comment": { "begin": "\\#\\|", "contentName": "comment", "end": "\\|\\#", "name": "comment", "patterns": [{ "include": "#block-comment", "name": "comment" }] }, "comment": { "begin": "(^[ \\t]+)?(?=;)", "beginCaptures": { "1": { "name": "punctuation.whitespace.comment.leading.scheme" } }, "end": "(?!\\G)", "patterns": [{ "begin": ";", "beginCaptures": { "0": { "name": "punctuation.definition.comment.scheme" } }, "end": "\\n", "name": "comment.line.semicolon.scheme" }] }, "constants": { "patterns": [{ "match": "#[t|f]", "name": "constant.language.boolean.scheme" }, { "match": `(?<=[\\(\\s])((#e|#i)?[0-9]+(\\.[0-9]+)?|(#x)[0-9a-fA-F]+|(#o)[0-7]+|(#b)[01]+)(?=[\\s;()'",\\[\\]])`, "name": "constant.numeric.scheme" }] }, "illegal": { "match": "[()\\[\\]]", "name": "invalid.illegal.parenthesis.scheme" }, "language-functions": { "patterns": [{ "match": "(?x)\n (?<=(\\s|\\(|\\[)) # preceded by space or ( \n ( do|or|and|else|quasiquote|begin|if|case|set!|\n cond|let|unquote|define|let\\*|unquote-splicing|delay|\n letrec)\n (?=(\\s|\\())", "name": "keyword.control.scheme" }, { "comment": "\n These functions run a test, and return a boolean\n answer.\n ", "match": "(?x)\n (?<=(\\s|\\()) # preceded by space or (\n ( char-alphabetic|char-lower-case|char-numeric|\n char-ready|char-upper-case|char-whitespace|\n (?:char|string)(?:-ci)?(?:=|<=?|>=?)|\n atom|boolean|bound-identifier=|char|complex|\n identifier|integer|symbol|free-identifier=|inexact|\n eof-object|exact|list|(?:input|output)-port|pair|\n real|rational|zero|vector|negative|odd|null|string|\n eq|equal|eqv|even|number|positive|procedure\n )\n (\\?) # name ends with ? sign\n (?=(\\s|\\()) # followed by space or (\n ", "name": "support.function.boolean-test.scheme" }, { "comment": "\n These functions change one type into another.\n ", "match": "(?x)\n (?<=(\\s|\\()) # preceded by space or (\n ( char->integer|exact->inexact|inexact->exact|\n integer->char|symbol->string|list->vector|\n list->string|identifier->symbol|vector->list|\n string->list|string->number|string->symbol|\n number->string\n )\n (?=(\\s|\\()) # followed by space or ( \n ", "name": "support.function.convert-type.scheme" }, { "comment": "\n These functions are potentially dangerous because\n they have side-effects which could affect other\n parts of the program.\n ", "match": "(?x)\n (?<=(\\s|\\()) # preceded by space or (\n ( set-(?:car|cdr)| # set car/cdr\n (?:vector|string)-(?:fill|set) # fill/set string/vector\n )\n (!) # name ends with ! sign\n (?=(\\s|\\()) # followed by space or (\n ", "name": "support.function.with-side-effects.scheme" }, { "comment": "\n +, -, *, /, =, >, etc. \n ", "match": "(?x)\n (?<=(\\s|\\()) # preceded by space or (\n ( >=?|<=?|=|[*/+-])\n (?=(\\s|\\()) # followed by space or (\n ", "name": "keyword.operator.arithmetic.scheme" }, { "match": "(?x)\n (?<=(\\s|\\()) # preceded by space or (\n ( append|apply|approximate|\n call-with-current-continuation|call/cc|catch|\n construct-identifier|define-syntax|display|foo|\n for-each|force|format|cd|gen-counter|gen-loser|\n generate-identifier|last-pair|length|let-syntax|\n letrec-syntax|list|list-ref|list-tail|load|log|\n macro|magnitude|map|map-streams|max|member|memq|\n memv|min|newline|nil|not|peek-char|rationalize|\n read|read-char|return|reverse|sequence|substring|\n syntax|syntax-rules|transcript-off|transcript-on|\n truncate|unwrap-syntax|values-list|write|write-char|\n \n # cons, car, cdr, etc\n cons|c(a|d){1,4}r| \n \n # unary math operators\n abs|acos|angle|asin|assoc|assq|assv|atan|ceiling|\n cos|floor|round|sin|sqrt|tan|\n (?:real|imag)-part|numerator|denominator\n \n # other math operators\n modulo|exp|expt|remainder|quotient|lcm|\n \n # ports / files\n call-with-(?:input|output)-file|\n (?:close|current)-(?:input|output)-port|\n with-(?:input|output)-from-file|\n open-(?:input|output)-file|\n \n # char-\xABfoo\xBB\n char-(?:downcase|upcase|ready)|\n \n # make-\xABfoo\xBB\n make-(?:polar|promise|rectangular|string|vector)\n \n # string-\xABfoo\xBB, vector-\xABfoo\xBB\n string(?:-(?:append|copy|length|ref))?|\n vector(?:-length|-ref)\n )\n (?=(\\s|\\()) # followed by space or (\n ", "name": "support.function.general.scheme" }] }, "quote": { "comment": "\n We need to be able to quote any kind of item, which creates\n a tiny bit of complexity in our grammar. It is hopefully\n not overwhelming complexity.\n \n Note: the first two matches are special cases. quoted\n symbols, and quoted empty lists are considered constant.other\n \n ", "patterns": [{ "captures": { "1": { "name": "punctuation.section.quoted.symbol.scheme" } }, "match": "(?x)\n (')\\s*\n ([[:alnum:]][[:alnum:]!$%&*+-./:<=>?@^_~]*)\n ", "name": "constant.other.symbol.scheme" }, { "captures": { "1": { "name": "punctuation.section.quoted.empty-list.scheme" }, "2": { "name": "meta.expression.scheme" }, "3": { "name": "punctuation.section.expression.begin.scheme" }, "4": { "name": "punctuation.section.expression.end.scheme" } }, "match": "(?x)\n (')\\s*\n ((\\()\\s*(\\)))\n ", "name": "constant.other.empty-list.schem" }, { "begin": "(')\\s*", "beginCaptures": { "1": { "name": "punctuation.section.quoted.scheme" } }, "comment": "quoted double-quoted string or s-expression", "end": "(?=[\\s()])|(?<=\\n)", "name": "string.other.quoted-object.scheme", "patterns": [{ "include": "#quoted" }] }] }, "quote-sexp": { "begin": "(?<=\\()\\s*(quote)\\s+", "beginCaptures": { "1": { "name": "keyword.control.quote.scheme" } }, "comment": "\n Something quoted with (quote \xABthing\xBB). In this case \xABthing\xBB\n will not be evaluated, so we are considering it a string.\n ", "contentName": "string.other.quote.scheme", "end": "(?=[\\s)])|(?<=\\n)", "patterns": [{ "include": "#quoted" }] }, "quoted": { "patterns": [{ "include": "#string" }, { "begin": "(\\()", "beginCaptures": { "1": { "name": "punctuation.section.expression.begin.scheme" } }, "end": "(\\))", "endCaptures": { "1": { "name": "punctuation.section.expression.end.scheme" } }, "name": "meta.expression.scheme", "patterns": [{ "include": "#quoted" }] }, { "include": "#quote" }, { "include": "#illegal" }] }, "sexp": { "begin": "(\\()", "beginCaptures": { "1": { "name": "punctuation.section.expression.begin.scheme" } }, "end": "(\\))(\\n)?", "endCaptures": { "1": { "name": "punctuation.section.expression.end.scheme" }, "2": { "name": "meta.after-expression.scheme" } }, "name": "meta.expression.scheme", "patterns": [{ "include": "#comment" }, { "begin": "(?x)\n (?<=\\() # preceded by (\n (define)\\s+ # define\n (\\() # list of parameters\n ([[:alnum:]][[:alnum:]!$%&*+-./:<=>?@^_~]*)\n ((\\s+\n ([[:alnum:]][[:alnum:]!$%&*+-./:<=>?@^_~]*|[._])\n )*\n )\\s*\n (\\))\n ", "captures": { "1": { "name": "keyword.control.scheme" }, "2": { "name": "punctuation.definition.function.scheme" }, "3": { "name": "entity.name.function.scheme" }, "4": { "name": "variable.parameter.function.scheme" }, "7": { "name": "punctuation.definition.function.scheme" } }, "end": "(?=\\))", "name": "meta.declaration.procedure.scheme", "patterns": [{ "include": "#comment" }, { "include": "#sexp" }, { "include": "#illegal" }] }, { "begin": "(?x)\n (?<=\\() # preceded by (\n (lambda)\\s+\n (\\() # opening paren\n ((?:\n ([[:alnum:]][[:alnum:]!$%&*+-./:<=>?@^_~]*|[._])\n \\s+\n )*(?:\n ([[:alnum:]][[:alnum:]!$%&*+-./:<=>?@^_~]*|[._])\n )?)\n (\\)) # closing paren\n ", "captures": { "1": { "name": "keyword.control.scheme" }, "2": { "name": "punctuation.definition.variable.scheme" }, "3": { "name": "variable.parameter.scheme" }, "6": { "name": "punctuation.definition.variable.scheme" } }, "comment": "\n Not sure this one is quite correct. That \\s* is\n particularly troubling\n ", "end": "(?=\\))", "name": "meta.declaration.procedure.scheme", "patterns": [{ "include": "#comment" }, { "include": "#sexp" }, { "include": "#illegal" }] }, { "begin": "(?<=\\()(define)\\s([[:alnum:]][[:alnum:]!$%&*+-./:<=>?@^_~]*)\\s*.*?", "captures": { "1": { "name": "keyword.control.scheme" }, "2": { "name": "variable.other.scheme" } }, "end": "(?=\\))", "name": "meta.declaration.variable.scheme", "patterns": [{ "include": "#comment" }, { "include": "#sexp" }, { "include": "#illegal" }] }, { "include": "#quote-sexp" }, { "include": "#quote" }, { "include": "#language-functions" }, { "include": "#string" }, { "include": "#constants" }, { "match": "(?<=[\\(\\s])(#\\\\)(space|newline|tab)(?=[\\s\\)])", "name": "constant.character.named.scheme" }, { "match": "(?<=[\\(\\s])(#\\\\)x[0-9A-F]{2,4}(?=[\\s\\)])", "name": "constant.character.hex-literal.scheme" }, { "match": "(?<=[\\(\\s])(#\\\\).(?=[\\s\\)])", "name": "constant.character.escape.scheme" }, { "comment": "\n the . in (a . b) which conses together two elements\n a and b. (a b c) == (a . (b . (c . nil)))\n ", "match": "(?<=[ ()])\\.(?=[ ()])", "name": "punctuation.separator.cons.scheme" }, { "include": "#sexp" }, { "include": "#illegal" }] }, "string": { "begin": '(")', "beginCaptures": { "1": { "name": "punctuation.definition.string.begin.scheme" } }, "end": '(")', "endCaptures": { "1": { "name": "punctuation.definition.string.end.scheme" } }, "name": "string.quoted.double.scheme", "patterns": [{ "match": "\\\\.", "name": "constant.character.escape.scheme" }] } }, "scopeName": "source.scheme" }); var scheme = [ lang ]; export { scheme as default };