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-rw-r--r--[-rwxr-xr-x]imports/codemirror/mode/scheme/scheme.js402
1 files changed, 201 insertions, 201 deletions
diff --git a/imports/codemirror/mode/scheme/scheme.js b/imports/codemirror/mode/scheme/scheme.js
index caf78db0..45ae1822 100755..100644
--- a/imports/codemirror/mode/scheme/scheme.js
+++ b/imports/codemirror/mode/scheme/scheme.js
@@ -1,202 +1,202 @@
1/** 1/**
2 * Author: Koh Zi Han, based on implementation by Koh Zi Chun 2 * Author: Koh Zi Han, based on implementation by Koh Zi Chun
3 */ 3 */
4CodeMirror.defineMode("scheme", function (config, mode) { 4CodeMirror.defineMode("scheme", function (config, mode) {
5 var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", 5 var BUILTIN = "builtin", COMMENT = "comment", STRING = "string",
6 ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD="keyword"; 6 ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD="keyword";
7 var INDENT_WORD_SKIP = 2, KEYWORDS_SKIP = 1; 7 var INDENT_WORD_SKIP = 2, KEYWORDS_SKIP = 1;
8 8
9 function makeKeywords(str) { 9 function makeKeywords(str) {
10 var obj = {}, words = str.split(" "); 10 var obj = {}, words = str.split(" ");
11 for (var i = 0; i < words.length; ++i) obj[words[i]] = true; 11 for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
12 return obj; 12 return obj;
13 } 13 }
14 14
15 var keywords = makeKeywords("λ case-lambda call/cc class define-class exit-handler field import inherit init-field interface let*-values let-values let/ec mixin opt-lambda override protect provide public rename require require-for-syntax syntax syntax-case syntax-error unit/sig unless when with-syntax and begin call-with-current-continuation call-with-input-file call-with-output-file case cond define define-syntax delay do dynamic-wind else for-each if lambda let let* let-syntax letrec letrec-syntax map or syntax-rules abs acos angle append apply asin assoc assq assv atan boolean? caar cadr call-with-input-file call-with-output-file call-with-values car cdddar cddddr cdr ceiling char->integer char-alphabetic? char-ci<=? char-ci<? char-ci=? char-ci>=? char-ci>? char-downcase char-lower-case? char-numeric? char-ready? char-upcase char-upper-case? char-whitespace? char<=? char<? char=? char>=? char>? char? close-input-port close-output-port complex? cons cos current-input-port current-output-port denominator display eof-object? eq? equal? eqv? eval even? exact->inexact exact? exp expt #f floor force gcd imag-part inexact->exact inexact? input-port? integer->char integer? interaction-environment lcm length list list->string list->vector list-ref list-tail list? load log magnitude make-polar make-rectangular make-string make-vector max member memq memv min modulo negative? newline not null-environment null? number->string number? numerator odd? open-input-file open-output-file output-port? pair? peek-char port? positive? procedure? quasiquote quote quotient rational? rationalize read read-char real-part real? remainder reverse round scheme-report-environment set! set-car! set-cdr! sin sqrt string string->list string->number string->symbol string-append string-ci<=? string-ci<? string-ci=? string-ci>=? string-ci>? string-copy string-fill! string-length string-ref string-set! string<=? string<? string=? string>=? string>? string? substring symbol->string symbol? #t tan transcript-off transcript-on truncate values vector vector->list vector-fill! vector-length vector-ref vector-set! with-input-from-file with-output-to-file write write-char zero?"); 15 var keywords = makeKeywords("λ case-lambda call/cc class define-class exit-handler field import inherit init-field interface let*-values let-values let/ec mixin opt-lambda override protect provide public rename require require-for-syntax syntax syntax-case syntax-error unit/sig unless when with-syntax and begin call-with-current-continuation call-with-input-file call-with-output-file case cond define define-syntax delay do dynamic-wind else for-each if lambda let let* let-syntax letrec letrec-syntax map or syntax-rules abs acos angle append apply asin assoc assq assv atan boolean? caar cadr call-with-input-file call-with-output-file call-with-values car cdddar cddddr cdr ceiling char->integer char-alphabetic? char-ci<=? char-ci<? char-ci=? char-ci>=? char-ci>? char-downcase char-lower-case? char-numeric? char-ready? char-upcase char-upper-case? char-whitespace? char<=? char<? char=? char>=? char>? char? close-input-port close-output-port complex? cons cos current-input-port current-output-port denominator display eof-object? eq? equal? eqv? eval even? exact->inexact exact? exp expt #f floor force gcd imag-part inexact->exact inexact? input-port? integer->char integer? interaction-environment lcm length list list->string list->vector list-ref list-tail list? load log magnitude make-polar make-rectangular make-string make-vector max member memq memv min modulo negative? newline not null-environment null? number->string number? numerator odd? open-input-file open-output-file output-port? pair? peek-char port? positive? procedure? quasiquote quote quotient rational? rationalize read read-char real-part real? remainder reverse round scheme-report-environment set! set-car! set-cdr! sin sqrt string string->list string->number string->symbol string-append string-ci<=? string-ci<? string-ci=? string-ci>=? string-ci>? string-copy string-fill! string-length string-ref string-set! string<=? string<? string=? string>=? string>? string? substring symbol->string symbol? #t tan transcript-off transcript-on truncate values vector vector->list vector-fill! vector-length vector-ref vector-set! with-input-from-file with-output-to-file write write-char zero?");
16 var indentKeys = makeKeywords("define let letrec let* lambda"); 16 var indentKeys = makeKeywords("define let letrec let* lambda");
17 17
18 18
19 function stateStack(indent, type, prev) { // represents a state stack object 19 function stateStack(indent, type, prev) { // represents a state stack object
20 this.indent = indent; 20 this.indent = indent;
21 this.type = type; 21 this.type = type;
22 this.prev = prev; 22 this.prev = prev;
23 } 23 }
24 24
25 function pushStack(state, indent, type) { 25 function pushStack(state, indent, type) {
26 state.indentStack = new stateStack(indent, type, state.indentStack); 26 state.indentStack = new stateStack(indent, type, state.indentStack);
27 } 27 }
28 28
29 function popStack(state) { 29 function popStack(state) {
30 state.indentStack = state.indentStack.prev; 30 state.indentStack = state.indentStack.prev;
31 } 31 }
32 32
33 /** 33 /**
34 * Scheme numbers are complicated unfortunately. 34 * Scheme numbers are complicated unfortunately.
35 * Checks if we're looking at a number, which might be possibly a fraction. 35 * Checks if we're looking at a number, which might be possibly a fraction.
36 * Also checks that it is not part of a longer identifier. Returns true/false accordingly. 36 * Also checks that it is not part of a longer identifier. Returns true/false accordingly.
37 */ 37 */
38 function isNumber(ch, stream){ 38 function isNumber(ch, stream){
39 if(/[0-9]/.exec(ch) != null){ 39 if(/[0-9]/.exec(ch) != null){
40 stream.eatWhile(/[0-9]/); 40 stream.eatWhile(/[0-9]/);
41 stream.eat(/\//); 41 stream.eat(/\//);
42 stream.eatWhile(/[0-9]/); 42 stream.eatWhile(/[0-9]/);
43 if (stream.eol() || !(/[a-zA-Z\-\_\/]/.exec(stream.peek()))) return true; 43 if (stream.eol() || !(/[a-zA-Z\-\_\/]/.exec(stream.peek()))) return true;
44 stream.backUp(stream.current().length - 1); // undo all the eating 44 stream.backUp(stream.current().length - 1); // undo all the eating
45 } 45 }
46 return false; 46 return false;
47 } 47 }
48 48
49 return { 49 return {
50 startState: function () { 50 startState: function () {
51 return { 51 return {
52 indentStack: null, 52 indentStack: null,
53 indentation: 0, 53 indentation: 0,
54 mode: false, 54 mode: false,
55 sExprComment: false 55 sExprComment: false
56 }; 56 };
57 }, 57 },
58 58
59 token: function (stream, state) { 59 token: function (stream, state) {
60 if (state.indentStack == null && stream.sol()) { 60 if (state.indentStack == null && stream.sol()) {
61 // update indentation, but only if indentStack is empty 61 // update indentation, but only if indentStack is empty
62 state.indentation = stream.indentation(); 62 state.indentation = stream.indentation();
63 } 63 }
64 64
65 // skip spaces 65 // skip spaces
66 if (stream.eatSpace()) { 66 if (stream.eatSpace()) {
67 return null; 67 return null;
68 } 68 }
69 var returnType = null; 69 var returnType = null;
70 70
71 switch(state.mode){ 71 switch(state.mode){
72 case "string": // multi-line string parsing mode 72 case "string": // multi-line string parsing mode
73 var next, escaped = false; 73 var next, escaped = false;
74 while ((next = stream.next()) != null) { 74 while ((next = stream.next()) != null) {
75 if (next == "\"" && !escaped) { 75 if (next == "\"" && !escaped) {
76 76
77 state.mode = false; 77 state.mode = false;
78 break; 78 break;
79 } 79 }
80 escaped = !escaped && next == "\\"; 80 escaped = !escaped && next == "\\";
81 } 81 }
82 returnType = STRING; // continue on in scheme-string mode 82 returnType = STRING; // continue on in scheme-string mode
83 break; 83 break;
84 case "comment": // comment parsing mode 84 case "comment": // comment parsing mode
85 var next, maybeEnd = false; 85 var next, maybeEnd = false;
86 while ((next = stream.next()) != null) { 86 while ((next = stream.next()) != null) {
87 if (next == "#" && maybeEnd) { 87 if (next == "#" && maybeEnd) {
88 88
89 state.mode = false; 89 state.mode = false;
90 break; 90 break;
91 } 91 }
92 maybeEnd = (next == "|"); 92 maybeEnd = (next == "|");
93 } 93 }
94 returnType = COMMENT; 94 returnType = COMMENT;
95 break; 95 break;
96 case "s-expr-comment": // s-expr commenting mode 96 case "s-expr-comment": // s-expr commenting mode
97 state.mode = false; 97 state.mode = false;
98 if(stream.peek() == "(" || stream.peek() == "["){ 98 if(stream.peek() == "(" || stream.peek() == "["){
99 // actually start scheme s-expr commenting mode 99 // actually start scheme s-expr commenting mode
100 state.sExprComment = 0; 100 state.sExprComment = 0;
101 }else{ 101 }else{
102 // if not we just comment the entire of the next token 102 // if not we just comment the entire of the next token
103 stream.eatWhile(/[^/s]/); // eat non spaces 103 stream.eatWhile(/[^/s]/); // eat non spaces
104 returnType = COMMENT; 104 returnType = COMMENT;
105 break; 105 break;
106 } 106 }
107 default: // default parsing mode 107 default: // default parsing mode
108 var ch = stream.next(); 108 var ch = stream.next();
109 109
110 if (ch == "\"") { 110 if (ch == "\"") {
111 state.mode = "string"; 111 state.mode = "string";
112 returnType = STRING; 112 returnType = STRING;
113 113
114 } else if (ch == "'") { 114 } else if (ch == "'") {
115 returnType = ATOM; 115 returnType = ATOM;
116 } else if (ch == '#') { 116 } else if (ch == '#') {
117 if (stream.eat("|")) { // Multi-line comment 117 if (stream.eat("|")) { // Multi-line comment
118 state.mode = "comment"; // toggle to comment mode 118 state.mode = "comment"; // toggle to comment mode
119 returnType = COMMENT; 119 returnType = COMMENT;
120 } else if (stream.eat(/[tf]/)) { // #t/#f (atom) 120 } else if (stream.eat(/[tf]/)) { // #t/#f (atom)
121 returnType = ATOM; 121 returnType = ATOM;
122 } else if (stream.eat(';')) { // S-Expr comment 122 } else if (stream.eat(';')) { // S-Expr comment