/*
* Copyright 2018 faddenSoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.Text;
using Asm65;
using CommonUtil;
namespace SourceGen.AsmGen {
#region IGenerator
///
/// Generate source code compatible with the cc65 assembler (https://github.com/cc65/cc65).
///
public class GenCc65 : IGenerator {
private const string ASM_FILE_SUFFIX = "_cc65.S"; // must start with underscore
private const int MAX_OPERAND_LEN = 64;
// IGenerator
public DisasmProject Project { get; private set; }
// IGenerator
public Formatter SourceFormatter { get; private set; }
// IGenerator
public AppSettings Settings { get; private set; }
// IGenerator
public AssemblerQuirks Quirks { get; private set; }
// IGenerator
public LabelLocalizer Localizer { get { return mLocalizer; } }
///
/// Working directory, i.e. where we write our output file(s).
///
private string mWorkDirectory;
///
/// If set, long labels get their own line.
///
private bool mLongLabelNewLine;
///
/// Output column widths.
///
private int[] mColumnWidths;
///
/// Base filename. Typically the project file name without the ".dis65" extension.
///
private string mFileNameBase;
///
/// StringBuilder to use when composing a line. Held here to reduce allocations.
///
private StringBuilder mLineBuilder = new StringBuilder(100);
///
/// Label localization helper.
///
private LabelLocalizer mLocalizer;
///
/// Stream to send the output to.
///
private StreamWriter mOutStream;
///
/// The first time we output a high-ASCII string, we generate a macro for it.
///
private bool mHighAsciiMacroOutput;
///
/// Holds detected version of configured assembler.
///
private CommonUtil.Version mAsmVersion = CommonUtil.Version.NO_VERSION;
// We test against this in a few places.
private static CommonUtil.Version V2_17 = new CommonUtil.Version(2, 17);
// Pseudo-op string constants.
private static PseudoOp.PseudoOpNames sDataOpNames = new PseudoOp.PseudoOpNames() {
EquDirective = "=",
OrgDirective = ".org",
//RegWidthDirective // .a8, .a16, .i8, .i16
DefineData1 = ".byte",
DefineData2 = ".word",
DefineData3 = ".faraddr",
DefineData4 = ".dword",
DefineBigData2 = ".dbyt",
//DefineBigData3
//DefineBigData4
Fill = ".res",
//Dense // no equivalent, use .byte with comma-separated args
StrGeneric = ".byte",
//StrReverse
StrNullTerm = ".asciiz",
//StrLen8 // macro with .strlen?
//StrLen16
//StrDci
//StrDciReverse
};
// IGenerator
public void GetDefaultDisplayFormat(out PseudoOp.PseudoOpNames pseudoOps,
out Formatter.FormatConfig formatConfig) {
pseudoOps = new PseudoOp.PseudoOpNames() {
EquDirective = "=",
OrgDirective = ".org",
DefineData1 = ".byte",
DefineData2 = ".word",
DefineData3 = ".faraddr",
DefineData4 = ".dword",
DefineBigData2 = ".dbyt",
Fill = ".res",
StrGeneric = ".byte",
StrNullTerm = ".asciiz",
};
formatConfig = new Formatter.FormatConfig();
SetFormatConfigValues(ref formatConfig);
}
// IGenerator
public void Configure(DisasmProject project, string workDirectory, string fileNameBase,
AssemblerVersion asmVersion, AppSettings settings) {
Debug.Assert(project != null);
Debug.Assert(!string.IsNullOrEmpty(workDirectory));
Debug.Assert(!string.IsNullOrEmpty(fileNameBase));
Project = project;
Quirks = new AssemblerQuirks();
if (asmVersion != null) {
// Use the actual version. If it's > 2.17 we'll try to take advantage of
// bug fixes.
mAsmVersion = asmVersion.Version;
} else {
// No assembler installed. Use 2.17.
mAsmVersion = V2_17;
}
if (mAsmVersion <= V2_17) {
// cc65 v2.17: https://github.com/cc65/cc65/issues/717
Quirks.BlockMoveArgsReversed = true;
// cc65 v2.17: https://github.com/cc65/cc65/issues/754
Quirks.NoPcRelBankWrap = true;
}
mWorkDirectory = workDirectory;
mFileNameBase = fileNameBase;
Settings = settings;
mLongLabelNewLine = Settings.GetBool(AppSettings.SRCGEN_LONG_LABEL_NEW_LINE, false);
AssemblerConfig config = AssemblerConfig.GetConfig(settings,
AssemblerInfo.Id.Cc65);
mColumnWidths = (int[])config.ColumnWidths.Clone();
}
///
/// Configures the assembler-specific format items.
///
private void SetFormatConfigValues(ref Formatter.FormatConfig config) {
config.mForceAbsOpcodeSuffix = string.Empty;
config.mForceLongOpcodeSuffix = string.Empty;
config.mForceAbsOperandPrefix = "a:"; // absolute
config.mForceLongOperandPrefix = "f:"; // far
config.mEndOfLineCommentDelimiter = ";";
config.mFullLineCommentDelimiterBase = ";";
config.mBoxLineCommentDelimiter = ";";
config.mAllowHighAsciiCharConst = false;
config.mExpressionMode = Formatter.FormatConfig.ExpressionMode.Cc65;
}
// IGenerator
public List GenerateSource(BackgroundWorker worker) {
List pathNames = new List(1);
string fileName = mFileNameBase + ASM_FILE_SUFFIX;
string pathName = Path.Combine(mWorkDirectory, fileName);
pathNames.Add(pathName);
Formatter.FormatConfig config = new Formatter.FormatConfig();
GenCommon.ConfigureFormatterFromSettings(Settings, ref config);
SetFormatConfigValues(ref config);
SourceFormatter = new Formatter(config);
string msg = string.Format(Properties.Resources.PROGRESS_GENERATING_FMT, pathName);
worker.ReportProgress(0, msg);
mLocalizer = new LabelLocalizer(Project);
if (!Settings.GetBool(AppSettings.SRCGEN_DISABLE_LABEL_LOCALIZATION, false)) {
mLocalizer.LocalPrefix = "@";
mLocalizer.Analyze();
}
// Use UTF-8 encoding, without a byte-order mark.
using (StreamWriter sw = new StreamWriter(pathName, false, new UTF8Encoding(false))) {
mOutStream = sw;
if (Settings.GetBool(AppSettings.SRCGEN_ADD_IDENT_COMMENT, false)) {
//if (mAsmVersion.IsValid && mAsmVersion <= V2_17) {
// OutputLine(SourceFormatter.FullLineCommentDelimiter +
// string.Format(Properties.Resources.GENERATED_FOR_VERSION,
// "cc65", mAsmVersion.ToString()));
//} else {
// OutputLine(SourceFormatter.FullLineCommentDelimiter +
// string.Format(Properties.Resources.GENERATED_FOR_LATEST, "cc65"));
//}
// Currently generating code for v2.17.
OutputLine(SourceFormatter.FullLineCommentDelimiter +
string.Format(Properties.Resources.GENERATED_FOR_VERSION,
"cc65", V2_17));
}
GenCommon.Generate(this, sw, worker);
}
mOutStream = null;
return pathNames;
}
// IGenerator
public void OutputAsmConfig() {
CpuDef cpuDef = Project.CpuDef;
string cpuStr;
if (cpuDef.Type == CpuDef.CpuType.Cpu65816) {
cpuStr = "65816";
} else if (cpuDef.Type == CpuDef.CpuType.Cpu65C02) {
cpuStr = "65C02";
} else if (cpuDef.Type == CpuDef.CpuType.Cpu6502 && cpuDef.HasUndocumented) {
cpuStr = "6502X";
} else {
cpuStr = "6502";
}
OutputLine(string.Empty, SourceFormatter.FormatPseudoOp(".setcpu"),
'\"' + cpuStr + '\"', string.Empty);
}
///
/// Map the undocumented opcodes to the cc65 mnemonics. There's almost no difference
/// vs. the Unintended Opcodes mnemonics.
///
/// We don't include the double- and triple-byte NOPs here, as cc65 doesn't
/// appear to have a definition for them (as of 2.17). We also omit the alias
/// for SBC. These will all be output as hex.
///
private static Dictionary sUndocMap = new Dictionary() {
{ OpName.ALR, "alr" }, // imm 0x4b
{ OpName.ANC, "anc" }, // imm 0x0b (and others)
{ OpName.ANE, "ane" }, // imm 0x8b
{ OpName.ARR, "arr" }, // imm 0x6b
{ OpName.DCP, "dcp" }, // abs 0xcf
{ OpName.ISC, "isc" }, // abs 0xef
{ OpName.JAM, "jam" }, // abs 0x02 (and others)
{ OpName.LAS, "las" }, // abs,y 0xbb
{ OpName.LAX, "lax" }, // imm 0xab; abs 0xaf
{ OpName.RLA, "rla" }, // abs 0x2f
{ OpName.RRA, "rra" }, // abs 0x6f
{ OpName.SAX, "sax" }, // abs 0x8f
{ OpName.SBX, "axs" }, //* imm 0xcb
{ OpName.SHA, "sha" }, // abs,y 0x9f
{ OpName.SHX, "shx" }, // abs,y 0x9e
{ OpName.SHY, "shy" }, // abs,x 0x9c
{ OpName.SLO, "slo" }, // abs 0x0f
{ OpName.SRE, "sre" }, // abs 0x4f
{ OpName.TAS, "tas" }, // abs,y 0x9b
};
// IGenerator
public string ModifyOpcode(int offset, OpDef op) {
if ((op == OpDef.OpWDM_WDM || op == OpDef.OpBRK_StackInt) && mAsmVersion <= V2_17) {
// cc65 v2.17 doesn't support WDM, and assembles BRK to opcode $05.
// https://github.com/cc65/cc65/issues/715
// https://github.com/cc65/cc65/issues/716
return null;
} else if (op.IsUndocumented) {
if (sUndocMap.TryGetValue(op.Mnemonic, out string newValue)) {
if ((op.Mnemonic == OpName.ANC && op.Opcode != 0x0b) ||
(op.Mnemonic == OpName.JAM && op.Opcode != 0x02)) {
// There are multiple opcodes for the same thing. cc65 outputs
// one specific thing, so we need to match that, and just do a hex
// dump for the others.
return null;
}
return newValue;
}
// Unmapped values include DOP, TOP, and the alternate SBC. Output hex.
return null;
} else {
return string.Empty;
}
}
// IGenerator
public void GenerateShortSequence(int offset, int length, out string opcode,
out string operand) {
Debug.Assert(length >= 1 && length <= 4);
// Use a comma-separated list of individual hex bytes.
opcode = sDataOpNames.DefineData1;
StringBuilder sb = new StringBuilder(length * 4);
for (int i = 0; i < length; i++) {
if (i != 0) {
sb.Append(',');
}
sb.Append(SourceFormatter.FormatHexValue(Project.FileData[offset + i], 2));
}
operand = sb.ToString();
}
// IGenerator
public void OutputDataOp(int offset) {
Formatter formatter = SourceFormatter;
byte[] data = Project.FileData;
Anattrib attr = Project.GetAnattrib(offset);
string labelStr = string.Empty;
if (attr.Symbol != null) {
labelStr = mLocalizer.ConvLabel(attr.Symbol.Label);
}
string commentStr = SourceFormatter.FormatEolComment(Project.Comments[offset]);
string opcodeStr, operandStr;
FormatDescriptor dfd = attr.DataDescriptor;
Debug.Assert(dfd != null);
int length = dfd.Length;
Debug.Assert(length > 0);
bool multiLine = false;
switch (dfd.FormatType) {
case FormatDescriptor.Type.Default:
if (length != 1) {
Debug.Assert(false);
length = 1;
}
opcodeStr = sDataOpNames.DefineData1;
int operand = RawData.GetWord(data, offset, length, false);
operandStr = formatter.FormatHexValue(operand, length * 2);
break;
case FormatDescriptor.Type.NumericLE:
opcodeStr = sDataOpNames.GetDefineData(length);
operand = RawData.GetWord(data, offset, length, false);
operandStr = PseudoOp.FormatNumericOperand(formatter, Project.SymbolTable,
mLocalizer.LabelMap, dfd, operand, length,
PseudoOp.FormatNumericOpFlags.None);
break;
case FormatDescriptor.Type.NumericBE:
opcodeStr = sDataOpNames.GetDefineBigData(length);
if (opcodeStr == null) {
// Nothing defined, output as comma-separated single-byte values.
GenerateShortSequence(offset, length, out opcodeStr, out operandStr);
} else {
operand = RawData.GetWord(data, offset, length, true);
operandStr = PseudoOp.FormatNumericOperand(formatter, Project.SymbolTable,
mLocalizer.LabelMap, dfd, operand, length,
PseudoOp.FormatNumericOpFlags.None);
}
break;
case FormatDescriptor.Type.Fill:
opcodeStr = sDataOpNames.Fill;
operandStr = length + "," + formatter.FormatHexValue(data[offset], 2);
break;
case FormatDescriptor.Type.Dense:
multiLine = true;
opcodeStr = operandStr = null;
OutputDenseHex(offset, length, labelStr, commentStr);
break;
case FormatDescriptor.Type.String:
multiLine = true;
opcodeStr = operandStr = null;
OutputString(offset, labelStr, commentStr);
break;
default:
opcodeStr = "???";
operandStr = "***";
break;
}
if (!multiLine) {
opcodeStr = formatter.FormatPseudoOp(opcodeStr);
OutputLine(labelStr, opcodeStr, operandStr, commentStr);
}
}
private void OutputDenseHex(int offset, int length, string labelStr, string commentStr) {
Formatter formatter = SourceFormatter;
byte[] data = Project.FileData;
StringBuilder sb = new StringBuilder(MAX_OPERAND_LEN);
string opcodeStr = formatter.FormatPseudoOp(sDataOpNames.DefineData1);
int maxPerLine = MAX_OPERAND_LEN / 4;
int numChunks = (length + maxPerLine - 1) / maxPerLine;
for (int chunk = 0; chunk < numChunks; chunk++) {
int chunkStart = chunk * maxPerLine;
int chunkEnd = Math.Min((chunk + 1) * maxPerLine, length);
for (int i = chunkStart; i < chunkEnd; i++) {
if (i != chunkStart) {
sb.Append(',');
}
sb.Append(formatter.FormatHexValue(data[offset + i], 2));
}
OutputLine(labelStr, opcodeStr, sb.ToString(), commentStr);
labelStr = commentStr = string.Empty;
sb.Clear();
}
}
///
/// Outputs formatted data in an unformatted way, because the code generator couldn't
/// figure out how to do something better.
///
private void OutputNoJoy(int offset, int length, string labelStr, string commentStr) {
byte[] data = Project.FileData;
Debug.Assert(length > 0);
Debug.Assert(offset >= 0 && offset < data.Length);
bool singleValue = true;
byte val = data[offset];
for (int i = 1; i < length; i++) {
if (data[offset + i] != val) {
singleValue = false;
break;
}
}
if (singleValue) {
string opcodeStr = SourceFormatter.FormatPseudoOp(sDataOpNames.Fill);
string operandStr = length + "," + SourceFormatter.FormatHexValue(val, 2);
OutputLine(labelStr, opcodeStr, operandStr, commentStr);
} else {
OutputDenseHex(offset, length, labelStr, commentStr);
}
}
// IGenerator
public void OutputEquDirective(string name, string valueStr, string comment) {
OutputLine(name, SourceFormatter.FormatPseudoOp(sDataOpNames.EquDirective),
valueStr, SourceFormatter.FormatEolComment(comment));
}
// IGenerator
public void OutputOrgDirective(int offset, int address) {
OutputLine(string.Empty, SourceFormatter.FormatPseudoOp(sDataOpNames.OrgDirective),
SourceFormatter.FormatHexValue(address, 4), string.Empty);
}
// IGenerator
public void OutputRegWidthDirective(int offset, int prevM, int prevX, int newM, int newX) {
if (prevM != newM) {
string mop = (newM == 0) ? ".a16" : ".a8";
OutputLine(string.Empty, SourceFormatter.FormatPseudoOp(mop),
string.Empty, string.Empty);
}
if (prevX != newX) {
string xop = (newX == 0) ? ".i16" : ".i8";
OutputLine(string.Empty, SourceFormatter.FormatPseudoOp(xop),
string.Empty, string.Empty);
}
}
// IGenerator
public void OutputLine(string fullLine) {
mOutStream.WriteLine(fullLine);
}
// IGenerator
public void OutputLine(string label, string opcode, string operand, string comment) {
// If a label is provided, and it doesn't start with a '.' (indicating that it's
// a directive), and this isn't an EQU directive, add a ':'. Might be easier to
// just ".feature labels_without_colons", but I'm trying to do things the way
// that cc65 users will expect.
if (!string.IsNullOrEmpty(label) && label[0] != '.' &&
!string.Equals(opcode, sDataOpNames.EquDirective,
StringComparison.InvariantCultureIgnoreCase)) {
label += ':';
if (mLongLabelNewLine && label.Length >= mColumnWidths[0]) {
mOutStream.WriteLine(label);
label = string.Empty;
}
}
mLineBuilder.Clear();
TextUtil.AppendPaddedString(mLineBuilder, label, mColumnWidths[0]);
TextUtil.AppendPaddedString(mLineBuilder, opcode, mColumnWidths[0] + mColumnWidths[1]);
TextUtil.AppendPaddedString(mLineBuilder, operand,
mColumnWidths[0] + mColumnWidths[1] + mColumnWidths[2]);
if (string.IsNullOrEmpty(comment)) {
// Trim trailing spaces off of opcode or operand. If they want trailing
// spaces at the end of a comment, that's fine.
CommonUtil.TextUtil.TrimEnd(mLineBuilder);
} else {
mLineBuilder.Append(comment);
}
mOutStream.WriteLine(mLineBuilder.ToString());
}
private void OutputString(int offset, string labelStr, string commentStr) {
// Normal ASCII strings are straightforward: they're just part of a .byte
// directive, and can mix with anything else in the .byte.
//
// For CString we can use .asciiz, but only if the string fits on one line
// and doesn't include delimiters. For L8String and L16String we can
// define simple macros, but their use has a similar restriction. High-ASCII
// strings also require a macro.
//
// We might be able to define a macro for DCI and Reverse as well.
//
// The limitation on strings with delimiters arises because (1) I don't see a
// way to escape them within a string, and (2) the simple macro workarounds
// only take a single argument, not a comma-separated list of stuff.
//
// Some ideas here:
// https://groups.google.com/forum/#!topic/comp.sys.apple2.programmer/5Wkw8mUPcU0
Formatter formatter = SourceFormatter;
byte[] data = Project.FileData;
Anattrib attr = Project.GetAnattrib(offset);
FormatDescriptor dfd = attr.DataDescriptor;
Debug.Assert(dfd != null);
Debug.Assert(dfd.FormatType == FormatDescriptor.Type.String);
Debug.Assert(dfd.Length > 0);
bool highAscii = false;
int leadingBytes = 0;
int trailingBytes = 0;
bool showLeading = false;
bool showTrailing = false;
switch (dfd.FormatSubType) {
case FormatDescriptor.SubType.None:
highAscii = (data[offset] & 0x80) != 0;
break;
case FormatDescriptor.SubType.Dci:
highAscii = (data[offset] & 0x80) != 0;
trailingBytes = 1;
showTrailing = true;
break;
case FormatDescriptor.SubType.Reverse:
highAscii = (data[offset] & 0x80) != 0;
break;
case FormatDescriptor.SubType.DciReverse:
highAscii = (data[offset + dfd.Length - 1] & 0x80) != 0;
leadingBytes = 1;
showLeading = true;
break;
case FormatDescriptor.SubType.CString:
highAscii = (data[offset] & 0x80) != 0;
trailingBytes = 1;
showTrailing = true;
break;
case FormatDescriptor.SubType.L8String:
if (dfd.Length > 1) {
highAscii = (data[offset + 1] & 0x80) != 0;
}
leadingBytes = 1;
showLeading = true;
break;
case FormatDescriptor.SubType.L16String:
if (dfd.Length > 2) {
highAscii = (data[offset + 2] & 0x80) != 0;
}
leadingBytes = 2;
showLeading = true;
break;
default:
Debug.Assert(false);
return;
}
char delim = '"';
StringGather gath = null;
// Run the string through so we can see if it'll fit on one line. As a minor
// optimization, we skip this step for "generic" strings, which are probably
// the most common thing.
if (dfd.FormatSubType != FormatDescriptor.SubType.None || highAscii) {
gath = new StringGather(this, labelStr, "???", commentStr, delim,
delim, StringGather.ByteStyle.CommaSep, MAX_OPERAND_LEN, true);
FeedGath(gath, data, offset, dfd.Length, leadingBytes, showLeading,
trailingBytes, showTrailing);
Debug.Assert(gath.NumLinesOutput > 0);
}
string opcodeStr = formatter.FormatPseudoOp(sDataOpNames.StrGeneric);
switch (dfd.FormatSubType) {
case FormatDescriptor.SubType.None:
// Special case for simple short high-ASCII strings. These have no
// leading or trailing bytes. We can improve this a bit by handling
// arbitrarily long strings by simply breaking them across lines.
Debug.Assert(leadingBytes == 0);
Debug.Assert(trailingBytes == 0);
if (highAscii && gath.NumLinesOutput == 1 && !gath.HasDelimiter) {
if (!mHighAsciiMacroOutput) {
mHighAsciiMacroOutput = true;
// Output a macro for high-ASCII strings.
OutputLine(".macro", "HiAscii", "Arg", string.Empty);
OutputLine(string.Empty, ".repeat", ".strlen(Arg), I", string.Empty);
OutputLine(string.Empty, ".byte", ".strat(Arg, I) | $80", string.Empty);
OutputLine(string.Empty, ".endrep", string.Empty, string.Empty);
OutputLine(".endmacro", string.Empty, string.Empty, string.Empty);
}
opcodeStr = formatter.FormatPseudoOp("HiAscii");
highAscii = false;
}
break;
case FormatDescriptor.SubType.Dci:
case FormatDescriptor.SubType.Reverse:
case FormatDescriptor.SubType.DciReverse:
// Full configured above.
break;
case FormatDescriptor.SubType.CString:
if (gath.NumLinesOutput == 1 && !gath.HasDelimiter) {
opcodeStr = sDataOpNames.StrNullTerm;
showTrailing = false;
}
break;
case FormatDescriptor.SubType.L8String:
case FormatDescriptor.SubType.L16String:
// Implement macros?
break;
default:
Debug.Assert(false);
return;
}
if (highAscii) {
OutputNoJoy(offset, dfd.Length, labelStr, commentStr);
return;
}
// Create a new StringGather, with the final opcode choice.
gath = new StringGather(this, labelStr, opcodeStr, commentStr, delim,
delim, StringGather.ByteStyle.CommaSep, MAX_OPERAND_LEN, false);
FeedGath(gath, data, offset, dfd.Length, leadingBytes, showLeading,
trailingBytes, showTrailing);
}
///
/// Feeds the bytes into the StringGather.
///
private void FeedGath(StringGather gath, byte[] data, int offset, int length,
int leadingBytes, bool showLeading, int trailingBytes, bool showTrailing) {
int startOffset = offset;
int strEndOffset = offset + length - trailingBytes;
if (showLeading) {
while (leadingBytes-- > 0) {
gath.WriteByte(data[offset++]);
}
} else {
offset += leadingBytes;
}
for (; offset < strEndOffset; offset++) {
gath.WriteChar((char)(data[offset] & 0x7f));
}
while (showTrailing && trailingBytes-- > 0) {
gath.WriteByte(data[offset++]);
}
gath.Finish();
}
}
#endregion IGenerator
#region IAssembler
///
/// Cross-assembler execution interface.
///
public class AsmCc65 : IAssembler {
// Paths from generator.
private List mPathNames;
// Directory to make current before executing assembler.
private string mWorkDirectory;
// IAssembler
public void GetExeIdentifiers(out string humanName, out string exeName) {
humanName = "cc65 CL";
exeName = "cl65";
}
// IAssembler
public AssemblerConfig GetDefaultConfig() {
return new AssemblerConfig(string.Empty, new int[] { 9, 8, 11, 72 });
}
// IAssembler
public AssemblerVersion QueryVersion() {
AssemblerConfig config =
AssemblerConfig.GetConfig(AppSettings.Global, AssemblerInfo.Id.Cc65);
if (config == null || string.IsNullOrEmpty(config.ExecutablePath)) {
return null;
}
ShellCommand cmd = new ShellCommand(config.ExecutablePath, "--version",
Directory.GetCurrentDirectory(), null);
cmd.Execute();
if (string.IsNullOrEmpty(cmd.Stdout)) {
return null;
}
// Windows - Stderr: "cl65.exe V2.17\r\n"
// Linux - Stderr: "cl65 V2.17 - Git N/A\n"
// Other platforms may not have the ".exe". Find first occurrence of " V".
const string PREFIX = " V";
string str = cmd.Stderr;
int start = str.IndexOf(PREFIX);
int end = (start < 0) ? -1 : str.IndexOfAny(new char[] { ' ', '\r', '\n' }, start + 1);
if (start < 0 || end < 0 || start + PREFIX.Length >= end) {
Debug.WriteLine("Couldn't find version in " + str);
return null;
}
start += PREFIX.Length;
string versionStr = str.Substring(start, end - start);
CommonUtil.Version version = CommonUtil.Version.Parse(versionStr);
if (!version.IsValid) {
return null;
}
return new AssemblerVersion(versionStr, version);
}
// IAssembler
public void Configure(List pathNames, string workDirectory) {
// Clone pathNames, in case the caller decides to modify the original.
mPathNames = new List(pathNames.Count);
foreach (string str in pathNames) {
mPathNames.Add(str);
}
mWorkDirectory = workDirectory;
}
// IAssembler
public AssemblerResults RunAssembler(BackgroundWorker worker) {
// Reduce input file to a partial path if possible. This is really just to make
// what we display to the user a little easier to read.
string pathName = mPathNames[0];
if (pathName.StartsWith(mWorkDirectory)) {
pathName = pathName.Remove(0, mWorkDirectory.Length + 1);
} else {
// Unexpected, but shouldn't be a problem.
Debug.WriteLine("NOTE: source file is not in work directory");
}
AssemblerConfig config =
AssemblerConfig.GetConfig(AppSettings.Global, AssemblerInfo.Id.Cc65);
if (string.IsNullOrEmpty(config.ExecutablePath)) {
Debug.WriteLine("Assembler not configured");
return null;
}
worker.ReportProgress(0, Properties.Resources.PROGRESS_ASSEMBLING);
// Wrap pathname in quotes in case it has spaces.
// (Do we need to shell-escape quotes in the pathName?)
ShellCommand cmd = new ShellCommand(config.ExecutablePath,
"--target none \"" + pathName + "\"", mWorkDirectory, null);
cmd.Execute();
// Can't really do anything with a "cancel" request.
// Output filename is the input filename without the ".S". Since the filename
// was generated by us we can be confident in the format.
string outputFile = mPathNames[0].Substring(0, mPathNames[0].Length - 2);
return new AssemblerResults(cmd.FullCommandLine, cmd.ExitCode, cmd.Stdout,
cmd.Stderr, outputFile);
}
}
#endregion IAssembler
}