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   1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2  // Distributed under an MIT license: https://codemirror.net/5/LICENSE
   3  
   4  (function(mod) {
   5    if (typeof exports == "object" && typeof module == "object") // CommonJS
   6      mod(require("../../lib/codemirror"));
   7    else if (typeof define == "function" && define.amd) // AMD
   8      define(["../../lib/codemirror"], mod);
   9    else // Plain browser env
  10      mod(CodeMirror);
  11  })(function(CodeMirror) {
  12  "use strict";
  13  
  14  CodeMirror.defineMode("fortran", function() {
  15    function words(array) {
  16      var keys = {};
  17      for (var i = 0; i < array.length; ++i) {
  18        keys[array[i]] = true;
  19      }
  20      return keys;
  21    }
  22  
  23    var keywords = words([
  24                    "abstract", "accept", "allocatable", "allocate",
  25                    "array", "assign", "asynchronous", "backspace",
  26                    "bind", "block", "byte", "call", "case",
  27                    "class", "close", "common", "contains",
  28                    "continue", "cycle", "data", "deallocate",
  29                    "decode", "deferred", "dimension", "do",
  30                    "elemental", "else", "encode", "end",
  31                    "endif", "entry", "enumerator", "equivalence",
  32                    "exit", "external", "extrinsic", "final",
  33                    "forall", "format", "function", "generic",
  34                    "go", "goto", "if", "implicit", "import", "include",
  35                    "inquire", "intent", "interface", "intrinsic",
  36                    "module", "namelist", "non_intrinsic",
  37                    "non_overridable", "none", "nopass",
  38                    "nullify", "open", "optional", "options",
  39                    "parameter", "pass", "pause", "pointer",
  40                    "print", "private", "program", "protected",
  41                    "public", "pure", "read", "recursive", "result",
  42                    "return", "rewind", "save", "select", "sequence",
  43                    "stop", "subroutine", "target", "then", "to", "type",
  44                    "use", "value", "volatile", "where", "while",
  45                    "write"]);
  46    var builtins = words(["abort", "abs", "access", "achar", "acos",
  47                            "adjustl", "adjustr", "aimag", "aint", "alarm",
  48                            "all", "allocated", "alog", "amax", "amin",
  49                            "amod", "and", "anint", "any", "asin",
  50                            "associated", "atan", "besj", "besjn", "besy",
  51                            "besyn", "bit_size", "btest", "cabs", "ccos",
  52                            "ceiling", "cexp", "char", "chdir", "chmod",
  53                            "clog", "cmplx", "command_argument_count",
  54                            "complex", "conjg", "cos", "cosh", "count",
  55                            "cpu_time", "cshift", "csin", "csqrt", "ctime",
  56                            "c_funloc", "c_loc", "c_associated", "c_null_ptr",
  57                            "c_null_funptr", "c_f_pointer", "c_null_char",
  58                            "c_alert", "c_backspace", "c_form_feed",
  59                            "c_new_line", "c_carriage_return",
  60                            "c_horizontal_tab", "c_vertical_tab", "dabs",
  61                            "dacos", "dasin", "datan", "date_and_time",
  62                            "dbesj", "dbesj", "dbesjn", "dbesy", "dbesy",
  63                            "dbesyn", "dble", "dcos", "dcosh", "ddim", "derf",
  64                            "derfc", "dexp", "digits", "dim", "dint", "dlog",
  65                            "dlog", "dmax", "dmin", "dmod", "dnint",
  66                            "dot_product", "dprod", "dsign", "dsinh",
  67                            "dsin", "dsqrt", "dtanh", "dtan", "dtime",
  68                            "eoshift", "epsilon", "erf", "erfc", "etime",
  69                            "exit", "exp", "exponent", "extends_type_of",
  70                            "fdate", "fget", "fgetc", "float", "floor",
  71                            "flush", "fnum", "fputc", "fput", "fraction",
  72                            "fseek", "fstat", "ftell", "gerror", "getarg",
  73                            "get_command", "get_command_argument",
  74                            "get_environment_variable", "getcwd",
  75                            "getenv", "getgid", "getlog", "getpid",
  76                            "getuid", "gmtime", "hostnm", "huge", "iabs",
  77                            "iachar", "iand", "iargc", "ibclr", "ibits",
  78                            "ibset", "ichar", "idate", "idim", "idint",
  79                            "idnint", "ieor", "ierrno", "ifix", "imag",
  80                            "imagpart", "index", "int", "ior", "irand",
  81                            "isatty", "ishft", "ishftc", "isign",
  82                            "iso_c_binding", "is_iostat_end", "is_iostat_eor",
  83                            "itime", "kill", "kind", "lbound", "len", "len_trim",
  84                            "lge", "lgt", "link", "lle", "llt", "lnblnk", "loc",
  85                            "log", "logical", "long", "lshift", "lstat", "ltime",
  86                            "matmul", "max", "maxexponent", "maxloc", "maxval",
  87                            "mclock", "merge", "move_alloc", "min", "minexponent",
  88                            "minloc", "minval", "mod", "modulo", "mvbits",
  89                            "nearest", "new_line", "nint", "not", "or", "pack",
  90                            "perror", "precision", "present", "product", "radix",
  91                            "rand", "random_number", "random_seed", "range",
  92                            "real", "realpart", "rename", "repeat", "reshape",
  93                            "rrspacing", "rshift", "same_type_as", "scale",
  94                            "scan", "second", "selected_int_kind",
  95                            "selected_real_kind", "set_exponent", "shape",
  96                            "short", "sign", "signal", "sinh", "sin", "sleep",
  97                            "sngl", "spacing", "spread", "sqrt", "srand", "stat",
  98                            "sum", "symlnk", "system", "system_clock", "tan",
  99                            "tanh", "time", "tiny", "transfer", "transpose",
 100                            "trim", "ttynam", "ubound", "umask", "unlink",
 101                            "unpack", "verify", "xor", "zabs", "zcos", "zexp",
 102                            "zlog", "zsin", "zsqrt"]);
 103  
 104      var dataTypes =  words(["c_bool", "c_char", "c_double", "c_double_complex",
 105                       "c_float", "c_float_complex", "c_funptr", "c_int",
 106                       "c_int16_t", "c_int32_t", "c_int64_t", "c_int8_t",
 107                       "c_int_fast16_t", "c_int_fast32_t", "c_int_fast64_t",
 108                       "c_int_fast8_t", "c_int_least16_t", "c_int_least32_t",
 109                       "c_int_least64_t", "c_int_least8_t", "c_intmax_t",
 110                       "c_intptr_t", "c_long", "c_long_double",
 111                       "c_long_double_complex", "c_long_long", "c_ptr",
 112                       "c_short", "c_signed_char", "c_size_t", "character",
 113                       "complex", "double", "integer", "logical", "real"]);
 114    var isOperatorChar = /[+\-*&=<>\/\:]/;
 115    var litOperator = /^\.(and|or|eq|lt|le|gt|ge|ne|not|eqv|neqv)\./i;
 116  
 117    function tokenBase(stream, state) {
 118  
 119      if (stream.match(litOperator)){
 120          return 'operator';
 121      }
 122  
 123      var ch = stream.next();
 124      if (ch == "!") {
 125        stream.skipToEnd();
 126        return "comment";
 127      }
 128      if (ch == '"' || ch == "'") {
 129        state.tokenize = tokenString(ch);
 130        return state.tokenize(stream, state);
 131      }
 132      if (/[\[\]\(\),]/.test(ch)) {
 133        return null;
 134      }
 135      if (/\d/.test(ch)) {
 136        stream.eatWhile(/[\w\.]/);
 137        return "number";
 138      }
 139      if (isOperatorChar.test(ch)) {
 140        stream.eatWhile(isOperatorChar);
 141        return "operator";
 142      }
 143      stream.eatWhile(/[\w\$_]/);
 144      var word = stream.current().toLowerCase();
 145  
 146      if (keywords.hasOwnProperty(word)){
 147              return 'keyword';
 148      }
 149      if (builtins.hasOwnProperty(word) || dataTypes.hasOwnProperty(word)) {
 150              return 'builtin';
 151      }
 152      return "variable";
 153    }
 154  
 155    function tokenString(quote) {
 156      return function(stream, state) {
 157        var escaped = false, next, end = false;
 158        while ((next = stream.next()) != null) {
 159          if (next == quote && !escaped) {
 160              end = true;
 161              break;
 162          }
 163          escaped = !escaped && next == "\\";
 164        }
 165        if (end || !escaped) state.tokenize = null;
 166        return "string";
 167      };
 168    }
 169  
 170    // Interface
 171  
 172    return {
 173      startState: function() {
 174        return {tokenize: null};
 175      },
 176  
 177      token: function(stream, state) {
 178        if (stream.eatSpace()) return null;
 179        var style = (state.tokenize || tokenBase)(stream, state);
 180        if (style == "comment" || style == "meta") return style;
 181        return style;
 182      }
 183    };
 184  });
 185  
 186  CodeMirror.defineMIME("text/x-fortran", "fortran");
 187  
 188  });