blob: 5b722c4e1e83a089ecc771c4222b7753be101aa6 [file] [log] [blame] [raw]
// Copyright (c) 2018, Patrick Quist
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
'use strict';
const AsmRegex = require('./asmregex').AsmRegex;
class AsmRaw extends AsmRegex {
processBinaryAsm(asm, filters) {
let result = [];
const asmLines = asm.split('\n');
const asmOpcodeRe = /^\s*([\da-f]+):\s*(([\da-f]{2} ?)+)\s*(.*)/;
const labelRe = /^([\da-f]+)\s+<([^>]+)>:$/;
const destRe = /.*\s([\da-f]+)\s+<([^>]+)>$/;
let source = null;
if (asmLines.length === 1 && asmLines[0][0] === '<') {
return [{text: asmLines[0], source: null}];
}
asmLines.forEach(line => {
let match = line.match(labelRe);
if (match) {
result.push({text: match[2] + ':', source: null});
return;
} else {
match = line.match(this.labelDef);
if (match) {
result.push({text: match[1] + ':', source: null});
return;
}
}
match = line.match(asmOpcodeRe);
if (match) {
const address = parseInt(match[1], 16);
const opcodes = match[2].split(' ').filter(function (x) {
return x;
});
const disassembly = ' ' + AsmRegex.filterAsmLine(match[4], filters);
let links = null;
const destMatch = line.match(destRe);
if (destMatch) {
links = [{
offset: disassembly.indexOf(destMatch[1]),
length: destMatch[1].length,
to: parseInt(destMatch[1], 16),
}];
}
result.push({opcodes: opcodes, address: address, text: disassembly, source: source, links: links});
}
});
return {
asm: result,
};
}
process(asm, filters) {
return this.processBinaryAsm(asm, filters);
}
}
module.exports = {
AsmParser: AsmRaw,
};