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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://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.ax = "variable";
registers.eax = "variable-2";
registers.rax = "variable-3";
registers.bx = "variable";
registers.ebx = "variable-2";
registers.rbx = "variable-3";
registers.cx = "variable";
registers.ecx = "variable-2";
registers.rcx = "variable-3";
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 "braket";
}
if (ch === '}') {
return "braket";
}
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: "*/"
};
});
});