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account/theme/pages/plugins/codemirror/mode/gas/gas.js

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+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+CodeMirror.defineMode("gas", function(_config, parserConfig) {
+  'use strict';
+
+  // If an architecture is specified, its initialization function may
+  // populate this array with custom parsing functions which will be
+  // tried in the event that the standard functions do not find a match.
+  var custom = [];
+
+  // The symbol used to start a line comment changes based on the target
+  // architecture.
+  // If no architecture is pased in "parserConfig" then only multiline
+  // comments will have syntax support.
+  var lineCommentStartSymbol = "";
+
+  // These directives are architecture independent.
+  // Machine specific directives should go in their respective
+  // architecture initialization function.
+  // Reference:
+  // http://sourceware.org/binutils/docs/as/Pseudo-Ops.html#Pseudo-Ops
+  var directives = {
+    ".abort" : "builtin",
+    ".align" : "builtin",
+    ".altmacro" : "builtin",
+    ".ascii" : "builtin",
+    ".asciz" : "builtin",
+    ".balign" : "builtin",
+    ".balignw" : "builtin",
+    ".balignl" : "builtin",
+    ".bundle_align_mode" : "builtin",
+    ".bundle_lock" : "builtin",
+    ".bundle_unlock" : "builtin",
+    ".byte" : "builtin",
+    ".cfi_startproc" : "builtin",
+    ".comm" : "builtin",
+    ".data" : "builtin",
+    ".def" : "builtin",
+    ".desc" : "builtin",
+    ".dim" : "builtin",
+    ".double" : "builtin",
+    ".eject" : "builtin",
+    ".else" : "builtin",
+    ".elseif" : "builtin",
+    ".end" : "builtin",
+    ".endef" : "builtin",
+    ".endfunc" : "builtin",
+    ".endif" : "builtin",
+    ".equ" : "builtin",
+    ".equiv" : "builtin",
+    ".eqv" : "builtin",
+    ".err" : "builtin",
+    ".error" : "builtin",
+    ".exitm" : "builtin",
+    ".extern" : "builtin",
+    ".fail" : "builtin",
+    ".file" : "builtin",
+    ".fill" : "builtin",
+    ".float" : "builtin",
+    ".func" : "builtin",
+    ".global" : "builtin",
+    ".gnu_attribute" : "builtin",
+    ".hidden" : "builtin",
+    ".hword" : "builtin",
+    ".ident" : "builtin",
+    ".if" : "builtin",
+    ".incbin" : "builtin",
+    ".include" : "builtin",
+    ".int" : "builtin",
+    ".internal" : "builtin",
+    ".irp" : "builtin",
+    ".irpc" : "builtin",
+    ".lcomm" : "builtin",
+    ".lflags" : "builtin",
+    ".line" : "builtin",
+    ".linkonce" : "builtin",
+    ".list" : "builtin",
+    ".ln" : "builtin",
+    ".loc" : "builtin",
+    ".loc_mark_labels" : "builtin",
+    ".local" : "builtin",
+    ".long" : "builtin",
+    ".macro" : "builtin",
+    ".mri" : "builtin",
+    ".noaltmacro" : "builtin",
+    ".nolist" : "builtin",
+    ".octa" : "builtin",
+    ".offset" : "builtin",
+    ".org" : "builtin",
+    ".p2align" : "builtin",
+    ".popsection" : "builtin",
+    ".previous" : "builtin",
+    ".print" : "builtin",
+    ".protected" : "builtin",
+    ".psize" : "builtin",
+    ".purgem" : "builtin",
+    ".pushsection" : "builtin",
+    ".quad" : "builtin",
+    ".reloc" : "builtin",
+    ".rept" : "builtin",
+    ".sbttl" : "builtin",
+    ".scl" : "builtin",
+    ".section" : "builtin",
+    ".set" : "builtin",
+    ".short" : "builtin",
+    ".single" : "builtin",
+    ".size" : "builtin",
+    ".skip" : "builtin",
+    ".sleb128" : "builtin",
+    ".space" : "builtin",
+    ".stab" : "builtin",
+    ".string" : "builtin",
+    ".struct" : "builtin",
+    ".subsection" : "builtin",
+    ".symver" : "builtin",
+    ".tag" : "builtin",
+    ".text" : "builtin",
+    ".title" : "builtin",
+    ".type" : "builtin",
+    ".uleb128" : "builtin",
+    ".val" : "builtin",
+    ".version" : "builtin",
+    ".vtable_entry" : "builtin",
+    ".vtable_inherit" : "builtin",
+    ".warning" : "builtin",
+    ".weak" : "builtin",
+    ".weakref" : "builtin",
+    ".word" : "builtin"
+  };
+
+  var registers = {};
+
+  function x86(_parserConfig) {
+    lineCommentStartSymbol = "#";
+
+    registers.al  = "variable";
+    registers.ah  = "variable";
+    registers.ax  = "variable";
+    registers.eax = "variable-2";
+    registers.rax = "variable-3";
+
+    registers.bl  = "variable";
+    registers.bh  = "variable";
+    registers.bx  = "variable";
+    registers.ebx = "variable-2";
+    registers.rbx = "variable-3";
+
+    registers.cl  = "variable";
+    registers.ch  = "variable";
+    registers.cx  = "variable";
+    registers.ecx = "variable-2";
+    registers.rcx = "variable-3";
+
+    registers.dl  = "variable";
+    registers.dh  = "variable";
+    registers.dx  = "variable";
+    registers.edx = "variable-2";
+    registers.rdx = "variable-3";
+
+    registers.si  = "variable";
+    registers.esi = "variable-2";
+    registers.rsi = "variable-3";
+
+    registers.di  = "variable";
+    registers.edi = "variable-2";
+    registers.rdi = "variable-3";
+
+    registers.sp  = "variable";
+    registers.esp = "variable-2";
+    registers.rsp = "variable-3";
+
+    registers.bp  = "variable";
+    registers.ebp = "variable-2";
+    registers.rbp = "variable-3";
+
+    registers.ip  = "variable";
+    registers.eip = "variable-2";
+    registers.rip = "variable-3";
+
+    registers.cs  = "keyword";
+    registers.ds  = "keyword";
+    registers.ss  = "keyword";
+    registers.es  = "keyword";
+    registers.fs  = "keyword";
+    registers.gs  = "keyword";
+  }
+
+  function armv6(_parserConfig) {
+    // Reference:
+    // http://infocenter.arm.com/help/topic/com.arm.doc.qrc0001l/QRC0001_UAL.pdf
+    // http://infocenter.arm.com/help/topic/com.arm.doc.ddi0301h/DDI0301H_arm1176jzfs_r0p7_trm.pdf
+    lineCommentStartSymbol = "@";
+    directives.syntax = "builtin";
+
+    registers.r0  = "variable";
+    registers.r1  = "variable";
+    registers.r2  = "variable";
+    registers.r3  = "variable";
+    registers.r4  = "variable";
+    registers.r5  = "variable";
+    registers.r6  = "variable";
+    registers.r7  = "variable";
+    registers.r8  = "variable";
+    registers.r9  = "variable";
+    registers.r10 = "variable";
+    registers.r11 = "variable";
+    registers.r12 = "variable";
+
+    registers.sp  = "variable-2";
+    registers.lr  = "variable-2";
+    registers.pc  = "variable-2";
+    registers.r13 = registers.sp;
+    registers.r14 = registers.lr;
+    registers.r15 = registers.pc;
+
+    custom.push(function(ch, stream) {
+      if (ch === '#') {
+        stream.eatWhile(/\w/);
+        return "number";
+      }
+    });
+  }
+
+  var arch = (parserConfig.architecture || "x86").toLowerCase();
+  if (arch === "x86") {
+    x86(parserConfig);
+  } else if (arch === "arm" || arch === "armv6") {
+    armv6(parserConfig);
+  }
+
+  function nextUntilUnescaped(stream, end) {
+    var escaped = false, next;
+    while ((next = stream.next()) != null) {
+      if (next === end && !escaped) {
+        return false;
+      }
+      escaped = !escaped && next === "\\";
+    }
+    return escaped;
+  }
+
+  function clikeComment(stream, state) {
+    var maybeEnd = false, ch;
+    while ((ch = stream.next()) != null) {
+      if (ch === "/" && maybeEnd) {
+        state.tokenize = null;
+        break;
+      }
+      maybeEnd = (ch === "*");
+    }
+    return "comment";
+  }
+
+  return {
+    startState: function() {
+      return {
+        tokenize: null
+      };
+    },
+
+    token: function(stream, state) {
+      if (state.tokenize) {
+        return state.tokenize(stream, state);
+      }
+
+      if (stream.eatSpace()) {
+        return null;
+      }
+
+      var style, cur, ch = stream.next();
+
+      if (ch === "/") {
+        if (stream.eat("*")) {
+          state.tokenize = clikeComment;
+          return clikeComment(stream, state);
+        }
+      }
+
+      if (ch === lineCommentStartSymbol) {
+        stream.skipToEnd();
+        return "comment";
+      }
+
+      if (ch === '"') {
+        nextUntilUnescaped(stream, '"');
+        return "string";
+      }
+
+      if (ch === '.') {
+        stream.eatWhile(/\w/);
+        cur = stream.current().toLowerCase();
+        style = directives[cur];
+        return style || null;
+      }
+
+      if (ch === '=') {
+        stream.eatWhile(/\w/);
+        return "tag";
+      }
+
+      if (ch === '{') {
+        return "bracket";
+      }
+
+      if (ch === '}') {
+        return "bracket";
+      }
+
+      if (/\d/.test(ch)) {
+        if (ch === "0" && stream.eat("x")) {
+          stream.eatWhile(/[0-9a-fA-F]/);
+          return "number";
+        }
+        stream.eatWhile(/\d/);
+        return "number";
+      }
+
+      if (/\w/.test(ch)) {
+        stream.eatWhile(/\w/);
+        if (stream.eat(":")) {
+          return 'tag';
+        }
+        cur = stream.current().toLowerCase();
+        style = registers[cur];
+        return style || null;
+      }
+
+      for (var i = 0; i < custom.length; i++) {
+        style = custom[i](ch, stream, state);
+        if (style) {
+          return style;
+        }
+      }
+    },
+
+    lineComment: lineCommentStartSymbol,
+    blockCommentStart: "/*",
+    blockCommentEnd: "*/"
+  };
+});
+
+});