mirror of
https://github.com/fadden/6502bench.git
synced 2024-11-26 21:49:45 +00:00
954 lines
43 KiB
C#
954 lines
43 KiB
C#
/*
|
|
* 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.Diagnostics;
|
|
using System.Windows.Forms;
|
|
|
|
using CommonUtil;
|
|
|
|
namespace SourceGen.AppForms {
|
|
public partial class EditData : Form {
|
|
/// <summary>
|
|
/// Result set that describes the formatting to perform. Not all regions will have
|
|
/// the same format, e.g. the "mixed ASCII" mode will alternate strings and bytes
|
|
/// (rather than a dedicated "mixed ASCII" format type).
|
|
/// </summary>
|
|
public SortedList<int, FormatDescriptor> Results { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Selected offsets. An otherwise contiguous range of offsets can be broken up
|
|
/// by user-specified labels and address discontinuities, so this needs to be
|
|
/// processed by range.
|
|
/// </summary>
|
|
public TypedRangeSet Selection { private get; set; }
|
|
|
|
/// <summary>
|
|
/// FormatDescriptor from the first offset. May be null if the offset doesn't
|
|
/// have a format descriptor specified. This will be used to configure the
|
|
/// dialog controls if the format is suited to the selection. The goal is to
|
|
/// make single-item editing work as expected.
|
|
/// </summary>
|
|
public FormatDescriptor FirstFormatDescriptor { private get; set; }
|
|
|
|
/// <summary>
|
|
/// Raw file data.
|
|
/// </summary>
|
|
private byte[] mFileData;
|
|
|
|
/// <summary>
|
|
/// Symbol table to use when resolving symbolic values.
|
|
/// </summary>
|
|
private SymbolTable mSymbolTable;
|
|
|
|
/// <summary>
|
|
/// Formatter to use when displaying addresses and hex values.
|
|
/// </summary>
|
|
private Asm65.Formatter mFormatter;
|
|
|
|
/// <summary>
|
|
/// Set this during initial control configuration, so we know to ignore the CheckedChanged
|
|
/// events.
|
|
/// </summary>
|
|
private bool mIsInitialSetup;
|
|
|
|
/// <summary>
|
|
/// Set to true if, during the initial setup, the format defined by FirstFormatDescriptor
|
|
/// was unavailable.
|
|
/// </summary>
|
|
private bool mPreferredFormatUnavailable;
|
|
|
|
|
|
public EditData(byte[] fileData, SymbolTable symbolTable, Asm65.Formatter formatter) {
|
|
InitializeComponent();
|
|
|
|
mFileData = fileData;
|
|
mSymbolTable = symbolTable;
|
|
mFormatter = formatter;
|
|
|
|
//Results = new List<Result>();
|
|
}
|
|
|
|
private void EditData_Load(object sender, EventArgs e) {
|
|
DateTime startWhen = DateTime.Now;
|
|
|
|
mIsInitialSetup = true;
|
|
|
|
// Determine which of the various options is suitable for the selected offsets.
|
|
// Disable any radio buttons that won't work.
|
|
AnalyzeRanges();
|
|
|
|
// Configure the dialog from the FormatDescriptor, if one is available.
|
|
Debug.WriteLine("First FD: " + FirstFormatDescriptor);
|
|
SetControlsFromDescriptor(FirstFormatDescriptor);
|
|
|
|
if (mPreferredFormatUnavailable) {
|
|
// This can happen when e.g. a bunch of stuff is formatted as null-terminated
|
|
// strings. We don't recognize a lone zero as a string, but we allow it if
|
|
// it's next to a bunch of others. If you come back later and try to format
|
|
// just that one byte, you end up here.
|
|
// TODO(maybe): make it more obvious what's going on?
|
|
Debug.WriteLine("NOTE: preferred format unavailable");
|
|
}
|
|
|
|
mIsInitialSetup = false;
|
|
UpdateControls();
|
|
|
|
Debug.WriteLine("EditData dialog load time: " +
|
|
(DateTime.Now - startWhen).TotalMilliseconds + " ms");
|
|
}
|
|
|
|
private void EditData_Shown(object sender, EventArgs e) {
|
|
// Start with the focus in the text box if the initial format allows for a
|
|
// symbolic reference. This way they can start typing immediately.
|
|
if (simpleDisplayAsGroupBox.Enabled) {
|
|
symbolEntryTextBox.Focus();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Handles CheckedChanged event for all radio buttons in main group. This will
|
|
/// fire twice when a radio button is clicked (once to un-check the old, once
|
|
/// to check the new).
|
|
/// </summary>
|
|
private void MainGroup_CheckedChanged(object sender, EventArgs e) {
|
|
// Enable/disable the style group and the low/high/bank radio group.
|
|
// Update preview window.
|
|
UpdateControls();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Handles CheckedChanged event for radio buttons in the simple-data "display as"
|
|
/// group box.
|
|
/// </summary>
|
|
private void SimpleDisplay_CheckedChanged(object sender, EventArgs e) {
|
|
// Enable/disable the low/high/bank radio group.
|
|
UpdateControls();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Handles CheckedChanged event for all radio buttons in symbol-part group.
|
|
/// </summary>
|
|
private void PartGroup_CheckedChanged(object sender, EventArgs e) {
|
|
// not currently using a preview window; could add one for single items?
|
|
}
|
|
|
|
private void symbolEntryTextBox_TextChanged(object sender, EventArgs e) {
|
|
// Make sure Symbol is checked if they're typing text in.
|
|
Debug.Assert(radioSimpleDataSymbolic.Enabled);
|
|
radioSimpleDataSymbolic.Checked = true;
|
|
// Update OK button based on symbol validity.
|
|
UpdateControls();
|
|
}
|
|
|
|
private void okButton_Click(object sender, EventArgs e) {
|
|
CreateDescriptorListFromControls();
|
|
FormatDescriptor.DebugDumpSortedList(Results);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Updates all of the controls to reflect the current internal state.
|
|
/// </summary>
|
|
private void UpdateControls() {
|
|
if (mIsInitialSetup) {
|
|
return;
|
|
}
|
|
|
|
// Configure the simple data "display as" style box.
|
|
bool wantStyle = false;
|
|
int simpleWidth = -1;
|
|
bool isBigEndian = false;
|
|
if (radioSingleBytes.Checked) {
|
|
wantStyle = true;
|
|
simpleWidth = 1;
|
|
} else if (radio16BitLittle.Checked) {
|
|
wantStyle = true;
|
|
simpleWidth = 2;
|
|
} else if (radio16BitBig.Checked) {
|
|
wantStyle = true;
|
|
simpleWidth = 2;
|
|
isBigEndian = true;
|
|
} else if (radio24BitLittle.Checked) {
|
|
wantStyle = true;
|
|
simpleWidth = 3;
|
|
} else if (radio32BitLittle.Checked) {
|
|
wantStyle = true;
|
|
simpleWidth = 4;
|
|
}
|
|
bool focusOnSymbol = !simpleDisplayAsGroupBox.Enabled && wantStyle;
|
|
simpleDisplayAsGroupBox.Enabled = wantStyle;
|
|
if (wantStyle) {
|
|
// TODO(soon): compute on first need and save results; this is getting called
|
|
// 2x as radio buttons are hit, and might be slow on large data sets
|
|
radioSimpleDataAscii.Enabled = IsRawAsciiCompatible(simpleWidth, isBigEndian);
|
|
}
|
|
|
|
// Enable the symbolic reference entry box if the "display as" group is enabled.
|
|
// That way instead of "click 16-bit", "click symbol", "enter symbol", the user
|
|
// can skip the second step.
|
|
symbolEntryTextBox.Enabled = simpleDisplayAsGroupBox.Enabled;
|
|
symbolPartPanel.Enabled = radioSimpleDataSymbolic.Checked;
|
|
|
|
// If we just enabled the group box, set the focus on the symbol entry box. This
|
|
// removes another click from the steps, though it's a bit aggressive if you're
|
|
// trying to arrow your way through the items.
|
|
if (focusOnSymbol) {
|
|
symbolEntryTextBox.Focus();
|
|
}
|
|
|
|
bool isOk = true;
|
|
if (radioSimpleDataSymbolic.Checked) {
|
|
// Just check for correct format. References to non-existent labels are allowed.
|
|
isOk = Asm65.Label.ValidateLabel(symbolEntryTextBox.Text);
|
|
|
|
// Actually, let's discourage references to auto-labels.
|
|
if (isOk && mSymbolTable.TryGetValue(symbolEntryTextBox.Text, out Symbol sym)) {
|
|
isOk = sym.SymbolSource != Symbol.Source.Auto;
|
|
}
|
|
}
|
|
okButton.Enabled = isOk;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Analyzes the selection to see which data formatting options are suitable.
|
|
/// Disables radio buttons and updates labels.
|
|
///
|
|
/// Call this once, when the dialog is first loaded.
|
|
/// </summary>
|
|
private void AnalyzeRanges() {
|
|
Debug.Assert(Selection.Count != 0);
|
|
|
|
string fmt = (Selection.RangeCount == 1) ?
|
|
Properties.Resources.FMT_FORMAT_SINGLE_GROUP :
|
|
Properties.Resources.FMT_FORMAT_MULTIPLE_GROUPS;
|
|
selectFormatLabel.Text = string.Format(fmt, Selection.Count, Selection.RangeCount);
|
|
|
|
IEnumerator<TypedRangeSet.TypedRange> iter = Selection.RangeListIterator;
|
|
|
|
int mixedAsciiOkCount = 0;
|
|
int mixedAsciiNotCount = 0;
|
|
int nullTermStringCount = 0;
|
|
int len8StringCount = 0;
|
|
int len16StringCount = 0;
|
|
int dciStringCount = 0;
|
|
//int revDciStringCount = 0;
|
|
|
|
// For each range, check to see if the data within qualifies for the various
|
|
// options. If any of them fail to meet the criteria, the option is disabled
|
|
// for all ranges.
|
|
while (iter.MoveNext()) {
|
|
TypedRangeSet.TypedRange rng = iter.Current;
|
|
Debug.WriteLine("Testing [" + rng.Low + ", " + rng.High + "]");
|
|
|
|
// Start with the easy ones. Single-byte and dense are always enabled.
|
|
|
|
int count = rng.High - rng.Low + 1;
|
|
Debug.Assert(count > 0);
|
|
if ((count & 0x01) != 0) {
|
|
// not divisible by 2, disallow 16-bit entries
|
|
radio16BitLittle.Enabled = false;
|
|
radio16BitBig.Enabled = false;
|
|
}
|
|
if ((count & 0x03) != 0) {
|
|
// not divisible by 4, disallow 32-bit entries
|
|
radio32BitLittle.Enabled = false;
|
|
}
|
|
if ((count / 3) * 3 != count) {
|
|
// not divisible by 3, disallow 24-bit entries
|
|
radio24BitLittle.Enabled = false;
|
|
}
|
|
|
|
|
|
// Check for run of bytes (2 or more of the same thing). Remember that
|
|
// we check this one region at a time, and each region could have different
|
|
// bytes, but so long as the bytes are all the same within a region we're good.
|
|
if (radioFill.Enabled && count > 1 &&
|
|
DataAnalysis.RecognizeRun(mFileData, rng.Low, rng.High) == count) {
|
|
// LGTM
|
|
} else {
|
|
radioFill.Enabled = false;
|
|
}
|
|
|
|
// See if there's enough string data to make it worthwhile. We use an
|
|
// arbitrary threshold of 2+ ASCII characters, and require twice as many
|
|
// ASCII as non-ASCII. We arbitrarily require the strings to be either
|
|
// high or low ASCII, and treat the other as non-ASCII. (We could relax
|
|
// this -- we generate separate items for each string and non-ASCII chunk --
|
|
// but I'm trying to hide the option when the buffer doesn't really seem
|
|
// to be holding strings. Could replace with some sort of minimum string
|
|
// length requirement?)
|
|
if (radioStringMixed.Enabled) {
|
|
int asciiCount;
|
|
DataAnalysis.CountAsciiBytes(mFileData, rng.Low, rng.High,
|
|
out int lowAscii, out int highAscii, out int nonAscii);
|
|
if (highAscii > lowAscii) {
|
|
asciiCount = highAscii;
|
|
nonAscii += lowAscii;
|
|
} else {
|
|
asciiCount = lowAscii;
|
|
nonAscii += highAscii;
|
|
}
|
|
|
|
if (asciiCount >= 2 && asciiCount >= nonAscii * 2) {
|
|
// Looks good
|
|
mixedAsciiOkCount += asciiCount;
|
|
mixedAsciiNotCount += nonAscii;
|
|
} else {
|
|
// Fail
|
|
radioStringMixed.Enabled = false;
|
|
radioStringMixedReverse.Enabled = false;
|
|
mixedAsciiOkCount = mixedAsciiNotCount = -1;
|
|
}
|
|
}
|
|
|
|
// Check for null-terminated strings. Zero-length strings are allowed, but
|
|
// not counted -- we want to have some actual character data. Individual
|
|
// strings need to be entirely high-ASCII or low-ASCII, but not all strings
|
|
// in a region have to be the same.
|
|
if (radioStringNullTerm.Enabled) {
|
|
int strCount = DataAnalysis.RecognizeNullTerminatedStrings(mFileData,
|
|
rng.Low, rng.High);
|
|
if (strCount > 0) {
|
|
nullTermStringCount += strCount;
|
|
} else {
|
|
radioStringNullTerm.Enabled = false;
|
|
nullTermStringCount = -1;
|
|
}
|
|
}
|
|
|
|
// Check for strings prefixed with an 8-bit length.
|
|
if (radioStringLen8.Enabled) {
|
|
int strCount = DataAnalysis.RecognizeLen8Strings(mFileData, rng.Low, rng.High);
|
|
if (strCount > 0) {
|
|
len8StringCount += strCount;
|
|
} else {
|
|
radioStringLen8.Enabled = false;
|
|
len8StringCount = -1;
|
|
}
|
|
}
|
|
|
|
// Check for strings prefixed with a 16-bit length.
|
|
if (radioStringLen16.Enabled) {
|
|
int strCount = DataAnalysis.RecognizeLen16Strings(mFileData, rng.Low, rng.High);
|
|
if (strCount > 0) {
|
|
len16StringCount += strCount;
|
|
} else {
|
|
radioStringLen16.Enabled = false;
|
|
len16StringCount = -1;
|
|
}
|
|
}
|
|
|
|
// Check for DCI strings. All strings within a single range must have the
|
|
// same "polarity", e.g. low ASCII terminated by high ASCII.
|
|
if (radioStringDci.Enabled) {
|
|
int strCount = DataAnalysis.RecognizeDciStrings(mFileData, rng.Low, rng.High);
|
|
if (strCount > 0) {
|
|
dciStringCount += strCount;
|
|
} else {
|
|
radioStringDci.Enabled = false;
|
|
dciStringCount = -1;
|
|
}
|
|
}
|
|
|
|
//// Check for reverse DCI strings. All strings within a single range must have the
|
|
//// same "polarity", e.g. low ASCII terminated by high ASCII.
|
|
//if (radioStringDciReverse.Enabled) {
|
|
// int strCount = DataAnalysis.RecognizeReverseDciStrings(mFileData,
|
|
// rng.Low, rng.High);
|
|
// if (strCount > 0) {
|
|
// revDciStringCount += strCount;
|
|
// } else {
|
|
// radioStringDciReverse.Enabled = false;
|
|
// revDciStringCount = -1;
|
|
// }
|
|
//}
|
|
}
|
|
|
|
// Update the dialog with string and character counts, summed across all regions.
|
|
|
|
if (mixedAsciiOkCount > 0) {
|
|
Debug.Assert(radioStringMixed.Enabled);
|
|
radioStringMixed.Text = string.Format(radioStringMixed.Text,
|
|
mixedAsciiOkCount, mixedAsciiNotCount);
|
|
radioStringMixedReverse.Text = string.Format(radioStringMixedReverse.Text,
|
|
mixedAsciiOkCount, mixedAsciiNotCount);
|
|
} else {
|
|
Debug.Assert(!radioStringMixed.Enabled);
|
|
radioStringMixed.Text = string.Format(radioStringMixed.Text, "xx", "xx");
|
|
radioStringMixedReverse.Text = string.Format(radioStringMixedReverse.Text,
|
|
"xx", "xx");
|
|
}
|
|
|
|
if (nullTermStringCount > 0) {
|
|
Debug.Assert(radioStringNullTerm.Enabled);
|
|
radioStringNullTerm.Text = string.Format(radioStringNullTerm.Text, nullTermStringCount);
|
|
} else {
|
|
Debug.Assert(!radioStringNullTerm.Enabled);
|
|
radioStringNullTerm.Text = string.Format(radioStringNullTerm.Text, "xx");
|
|
}
|
|
|
|
if (len8StringCount > 0) {
|
|
Debug.Assert(radioStringLen8.Enabled);
|
|
radioStringLen8.Text = string.Format(radioStringLen8.Text, len8StringCount);
|
|
} else {
|
|
Debug.Assert(!radioStringLen8.Enabled);
|
|
radioStringLen8.Text = string.Format(radioStringLen8.Text, "xx");
|
|
}
|
|
|
|
if (len16StringCount > 0) {
|
|
Debug.Assert(radioStringLen16.Enabled);
|
|
radioStringLen16.Text = string.Format(radioStringLen16.Text, len16StringCount);
|
|
} else {
|
|
Debug.Assert(!radioStringLen16.Enabled);
|
|
radioStringLen16.Text = string.Format(radioStringLen16.Text, "xx");
|
|
}
|
|
|
|
if (dciStringCount > 0) {
|
|
Debug.Assert(radioStringDci.Enabled);
|
|
radioStringDci.Text = string.Format(radioStringDci.Text, dciStringCount);
|
|
} else {
|
|
Debug.Assert(!radioStringDci.Enabled);
|
|
radioStringDci.Text = string.Format(radioStringDci.Text, "xx");
|
|
}
|
|
|
|
//if (revDciStringCount > 0) {
|
|
// Debug.Assert(radioStringDciReverse.Enabled);
|
|
// radioStringDciReverse.Text =
|
|
// string.Format(radioStringDciReverse.Text, revDciStringCount);
|
|
//} else {
|
|
// Debug.Assert(!radioStringDciReverse.Enabled);
|
|
// radioStringDciReverse.Text = string.Format(radioStringDciReverse.Text, "xx");
|
|
//}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the data in the buffer can be represented as ASCII values.
|
|
/// Using ".DD1 'A'" for 0x41 is obvious, but we also allow ".DD2 'A'" for
|
|
/// 0x41 0x00. 16-bit character constants are more likely as intermediate
|
|
/// operands, but could be found in data areas.
|
|
///
|
|
/// High and low ASCII are allowed, and may be freely mixed.
|
|
///
|
|
/// Testing explicitly is probably excessive, and possibly counter-productive if
|
|
/// the user is trying to flag an area that is a mix of ASCII and non-ASCII and
|
|
/// just wants hex for the rest, but we'll give it a try.
|
|
/// </summary>
|
|
/// <param name="wordWidth">Number of bytes per character.</param>
|
|
/// <param name="isBigEndian">Word endian-ness.</param>
|
|
/// <returns>True if data in all regions can be represented as high or low ASCII.</returns>
|
|
private bool IsRawAsciiCompatible(int wordWidth, bool isBigEndian) {
|
|
IEnumerator<TypedRangeSet.TypedRange> iter = Selection.RangeListIterator;
|
|
while (iter.MoveNext()) {
|
|
TypedRangeSet.TypedRange rng = iter.Current;
|
|
Debug.Assert(((rng.High - rng.Low + 1) / wordWidth) * wordWidth ==
|
|
rng.High - rng.Low + 1);
|
|
for (int i = rng.Low; i <= rng.High; i += wordWidth) {
|
|
int val = RawData.GetWord(mFileData, rng.Low, wordWidth, isBigEndian);
|
|
if (val < 0x20 || (val >= 0x7f && val < 0xa0) || val >= 0xff) {
|
|
// bad value, fail
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Configures the dialog controls based on the provided format descriptor. If
|
|
/// the desired options are unavailable, a suitable default is selected instead.
|
|
/// </summary>
|
|
/// <param name="dfd">FormatDescriptor to use.</param>
|
|
private void SetControlsFromDescriptor(FormatDescriptor dfd) {
|
|
Debug.Assert(mIsInitialSetup);
|
|
radioSimpleDataHex.Checked = true;
|
|
radioSymbolPartLow.Checked = true;
|
|
|
|
if (dfd == null) {
|
|
radioDefaultFormat.Checked = true;
|
|
return;
|
|
}
|
|
|
|
RadioButton preferredFormat;
|
|
|
|
switch (dfd.FormatType) {
|
|
case FormatDescriptor.Type.NumericLE:
|
|
case FormatDescriptor.Type.NumericBE:
|
|
switch (dfd.Length) {
|
|
case 1:
|
|
preferredFormat = radioSingleBytes;
|
|
break;
|
|
case 2:
|
|
preferredFormat =
|
|
(dfd.FormatType == FormatDescriptor.Type.NumericLE ?
|
|
radio16BitLittle : radio16BitBig);
|
|
break;
|
|
case 3:
|
|
preferredFormat = radio24BitLittle;
|
|
break;
|
|
case 4:
|
|
preferredFormat = radio32BitLittle;
|
|
break;
|
|
default:
|
|
Debug.Assert(false);
|
|
preferredFormat = radioDefaultFormat;
|
|
break;
|
|
}
|
|
if (preferredFormat.Enabled) {
|
|
switch (dfd.FormatSubType) {
|
|
case FormatDescriptor.SubType.None:
|
|
case FormatDescriptor.SubType.Hex:
|
|
radioSimpleDataHex.Checked = true;
|
|
break;
|
|
case FormatDescriptor.SubType.Decimal:
|
|
radioSimpleDataDecimal.Checked = true;
|
|
break;
|
|
case FormatDescriptor.SubType.Binary:
|
|
radioSimpleDataBinary.Checked = true;
|
|
break;
|
|
case FormatDescriptor.SubType.Ascii:
|
|
radioSimpleDataAscii.Checked = true;
|
|
break;
|
|
case FormatDescriptor.SubType.Address:
|
|
radioSimpleDataAddress.Checked = true;
|
|
break;
|
|
case FormatDescriptor.SubType.Symbol:
|
|
radioSimpleDataSymbolic.Checked = true;
|
|
switch (dfd.SymbolRef.ValuePart) {
|
|
case WeakSymbolRef.Part.Low:
|
|
radioSymbolPartLow.Checked = true;
|
|
break;
|
|
case WeakSymbolRef.Part.High:
|
|
radioSymbolPartHigh.Checked = true;
|
|
break;
|
|
case WeakSymbolRef.Part.Bank:
|
|
radioSymbolPartBank.Checked = true;
|
|
break;
|
|
default:
|
|
Debug.Assert(false);
|
|
break;
|
|
}
|
|
Debug.Assert(dfd.HasSymbol);
|
|
symbolEntryTextBox.Text = dfd.SymbolRef.Label;
|
|
break;
|
|
default:
|
|
Debug.Assert(false);
|
|
break;
|
|
}
|
|
} else {
|
|
// preferred format not enabled; leave Hex/Low checked
|
|
}
|
|
break;
|
|
case FormatDescriptor.Type.String:
|
|
switch (dfd.FormatSubType) {
|
|
case FormatDescriptor.SubType.None:
|
|
preferredFormat = radioStringMixed;
|
|
break;
|
|
case FormatDescriptor.SubType.Reverse:
|
|
preferredFormat = radioStringMixedReverse;
|
|
break;
|
|
case FormatDescriptor.SubType.CString:
|
|
preferredFormat = radioStringNullTerm;
|
|
break;
|
|
case FormatDescriptor.SubType.L8String:
|
|
preferredFormat = radioStringLen8;
|
|
break;
|
|
case FormatDescriptor.SubType.L16String:
|
|
preferredFormat = radioStringLen16;
|
|
break;
|
|
case FormatDescriptor.SubType.Dci:
|
|
preferredFormat = radioStringDci;
|
|
break;
|
|
case FormatDescriptor.SubType.DciReverse:
|
|
preferredFormat = radioDefaultFormat;
|
|
break;
|
|
default:
|
|
Debug.Assert(false);
|
|
preferredFormat = radioDefaultFormat;
|
|
break;
|
|
}
|
|
break;
|
|
case FormatDescriptor.Type.Dense:
|
|
preferredFormat = radioDenseHex;
|
|
break;
|
|
case FormatDescriptor.Type.Fill:
|
|
preferredFormat = radioFill;
|
|
break;
|
|
default:
|
|
// Should not be here.
|
|
Debug.Assert(false);
|
|
preferredFormat = radioDefaultFormat;
|
|
break;
|
|
}
|
|
|
|
if (preferredFormat.Enabled) {
|
|
preferredFormat.Checked = true;
|
|
} else {
|
|
mPreferredFormatUnavailable = true;
|
|
radioDefaultFormat.Checked = true;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a list of FormatDescriptors, based on the current control configuration.
|
|
///
|
|
/// The entries in the list are guaranteed to be sorted by start address and not
|
|
/// overlap.
|
|
///
|
|
/// We assume that whatever the control gives us is correct, e.g. it's not going
|
|
/// to tell us to put a buffer full of zeroes into a DCI string.
|
|
/// </summary>
|
|
/// <returns>Result list.</returns>
|
|
private void CreateDescriptorListFromControls() {
|
|
FormatDescriptor.Type type = FormatDescriptor.Type.Default;
|
|
FormatDescriptor.SubType subType = FormatDescriptor.SubType.None;
|
|
WeakSymbolRef symbolRef = null;
|
|
int chunkLength = -1;
|
|
|
|
// Decode the "display as" panel, if it's relevant.
|
|
if (radioSimpleDataHex.Enabled) {
|
|
if (radioSimpleDataHex.Checked) {
|
|
subType = FormatDescriptor.SubType.Hex;
|
|
} else if (radioSimpleDataDecimal.Checked) {
|
|
subType = FormatDescriptor.SubType.Decimal;
|
|
} else if (radioSimpleDataBinary.Checked) {
|
|
subType = FormatDescriptor.SubType.Binary;
|
|
} else if (radioSimpleDataAscii.Checked) {
|
|
subType = FormatDescriptor.SubType.Ascii;
|
|
} else if (radioSimpleDataAddress.Checked) {
|
|
subType = FormatDescriptor.SubType.Address;
|
|
} else if (radioSimpleDataSymbolic.Checked) {
|
|
WeakSymbolRef.Part part;
|
|
if (radioSymbolPartLow.Checked) {
|
|
part = WeakSymbolRef.Part.Low;
|
|
} else if (radioSymbolPartHigh.Checked) {
|
|
part = WeakSymbolRef.Part.High;
|
|
} else if (radioSymbolPartBank.Checked) {
|
|
part = WeakSymbolRef.Part.Bank;
|
|
} else {
|
|
Debug.Assert(false);
|
|
part = WeakSymbolRef.Part.Low;
|
|
}
|
|
subType = FormatDescriptor.SubType.Symbol;
|
|
symbolRef = new WeakSymbolRef(symbolEntryTextBox.Text, part);
|
|
} else {
|
|
Debug.Assert(false);
|
|
}
|
|
} else {
|
|
subType = 0; // set later, or doesn't matter
|
|
}
|
|
|
|
// Decode the main format.
|
|
if (radioDefaultFormat.Checked) {
|
|
// Default/None; note this would create a multi-byte Default format, which isn't
|
|
// really allowed. What we actually want to do is remove the explicit formatting
|
|
// from all spanned offsets, so we use a dedicated type for that.
|
|
type = FormatDescriptor.Type.REMOVE;
|
|
} else if (radioSingleBytes.Checked) {
|
|
type = FormatDescriptor.Type.NumericLE;
|
|
chunkLength = 1;
|
|
} else if (radio16BitLittle.Checked) {
|
|
type = FormatDescriptor.Type.NumericLE;
|
|
chunkLength = 2;
|
|
} else if (radio16BitBig.Checked) {
|
|
type = FormatDescriptor.Type.NumericBE;
|
|
chunkLength = 2;
|
|
} else if (radio24BitLittle.Checked) {
|
|
type = FormatDescriptor.Type.NumericLE;
|
|
chunkLength = 3;
|
|
} else if (radio32BitLittle.Checked) {
|
|
type = FormatDescriptor.Type.NumericLE;
|
|
chunkLength = 4;
|
|
} else if (radioDenseHex.Checked) {
|
|
type = FormatDescriptor.Type.Dense;
|
|
} else if (radioFill.Checked) {
|
|
type = FormatDescriptor.Type.Fill;
|
|
} else if (radioStringMixed.Checked) {
|
|
type = FormatDescriptor.Type.String;
|
|
} else if (radioStringMixedReverse.Checked) {
|
|
type = FormatDescriptor.Type.String;
|
|
subType = FormatDescriptor.SubType.Reverse;
|
|
} else if (radioStringNullTerm.Checked) {
|
|
type = FormatDescriptor.Type.String;
|
|
subType = FormatDescriptor.SubType.CString;
|
|
} else if (radioStringLen8.Checked) {
|
|
type = FormatDescriptor.Type.String;
|
|
subType = FormatDescriptor.SubType.L8String;
|
|
} else if (radioStringLen16.Checked) {
|
|
type = FormatDescriptor.Type.String;
|
|
subType = FormatDescriptor.SubType.L16String;
|
|
} else if (radioStringDci.Checked) {
|
|
type = FormatDescriptor.Type.String;
|
|
subType = FormatDescriptor.SubType.Dci;
|
|
//} else if (radioStringDciReverse.Checked) {
|
|
// type = FormatDescriptor.Type.String;
|
|
// subType = FormatDescriptor.SubType.DciReverse;
|
|
} else {
|
|
Debug.Assert(false);
|
|
// default/none
|
|
}
|
|
|
|
|
|
Results = new SortedList<int, FormatDescriptor>();
|
|
|
|
IEnumerator<TypedRangeSet.TypedRange> iter = Selection.RangeListIterator;
|
|
while (iter.MoveNext()) {
|
|
TypedRangeSet.TypedRange rng = iter.Current;
|
|
|
|
if (type == FormatDescriptor.Type.String) {
|
|
// We want to create one FormatDescriptor object per string. That way
|
|
// each string gets its own line.
|
|
if ((subType == FormatDescriptor.SubType.None ||
|
|
subType == FormatDescriptor.SubType.Reverse)) {
|
|
CreateMixedStringEntries(rng.Low, rng.High, subType);
|
|
} else if (subType == FormatDescriptor.SubType.CString) {
|
|
CreateCStringEntries(rng.Low, rng.High, subType);
|
|
} else if (subType == FormatDescriptor.SubType.L8String ||
|
|
subType == FormatDescriptor.SubType.L16String) {
|
|
CreateLengthStringEntries(rng.Low, rng.High, subType);
|
|
} else if (subType == FormatDescriptor.SubType.Dci ||
|
|
subType == FormatDescriptor.SubType.DciReverse) {
|
|
CreateDciStringEntries(rng.Low, rng.High, subType);
|
|
} else {
|
|
Debug.Assert(false);
|
|
CreateMixedStringEntries(rng.Low, rng.High, subType); // shrug
|
|
}
|
|
} else {
|
|
CreateSimpleEntries(type, subType, chunkLength, symbolRef, rng.Low, rng.High);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates one or more FormatDescriptor entries for the specified range, adding them
|
|
/// to the Results list.
|
|
///
|
|
/// This will either create one entry that spans the entire range (for e.g. strings
|
|
/// and bulk data), or create equal-sized chunks.
|
|
/// </summary>
|
|
/// <param name="type">Region data type.</param>
|
|
/// <param name="subType">Region data sub-type.</param>
|
|
/// <param name="chunkLength">Length of a chunk, or -1 for full buffer.</param>
|
|
/// <param name="symbolRef">Symbol reference, or null if not applicable.</param>
|
|
/// <param name="low">Offset of first byte in range.</param>
|
|
/// <param name="high">Offset of last byte in range.</param>
|
|
private void CreateSimpleEntries(FormatDescriptor.Type type,
|
|
FormatDescriptor.SubType subType, int chunkLength,
|
|
WeakSymbolRef symbolRef, int low, int high) {
|
|
|
|
if (chunkLength == -1) {
|
|
chunkLength = (high - low) + 1;
|
|
}
|
|
Debug.Assert(((high - low + 1) / chunkLength) * chunkLength == high - low + 1);
|
|
|
|
// Either we have one chunk, or we have multiple chunks with the same type and
|
|
// length. Either way, we only need to create the descriptor once. (This is
|
|
// safe because FormatDescriptor instances are immutable.)
|
|
//
|
|
// Because certain details, like the fill byte and high-vs-low ASCII, are pulled
|
|
// out of the data stream at format time, we don't have to dig for them now.
|
|
FormatDescriptor dfd;
|
|
if (subType == FormatDescriptor.SubType.Symbol) {
|
|
dfd = FormatDescriptor.Create(chunkLength, symbolRef,
|
|
type == FormatDescriptor.Type.NumericBE);
|
|
} else {
|
|
dfd = FormatDescriptor.Create(chunkLength, type, subType);
|
|
}
|
|
|
|
while (low <= high) {
|
|
Results.Add(low, dfd);
|
|
low += chunkLength;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates one or more FormatDescriptor entries for the specified range, adding them
|
|
/// to the Results list.
|
|
/// </summary>
|
|
/// <param name="low">Offset of first byte in range.</param>
|
|
/// <param name="high">Offset of last byte in range.</param>
|
|
/// <param name="subType">String sub-type.</param>
|
|
private void CreateMixedStringEntries(int low, int high,
|
|
FormatDescriptor.SubType subType) {
|
|
int stringStart = -1;
|
|
int highBit = 0;
|
|
int cur;
|
|
for (cur = low; cur <= high; cur++) {
|
|
byte val = mFileData[cur];
|
|
if (CommonUtil.TextUtil.IsHiLoAscii(val)) {
|
|
// is ASCII
|
|
if (stringStart >= 0) {
|
|
// was in a string
|
|
if (highBit != (val & 0x80)) {
|
|
// end of string due to high bit flip, output
|
|
CreateStringOrByte(stringStart, cur - stringStart, subType);
|
|
// start a new string
|
|
stringStart = cur;
|
|
} else {
|
|
// still in string, keep going
|
|
}
|
|
} else {
|
|
// wasn't in a string, start one
|
|
stringStart = cur;
|
|
}
|
|
highBit = val & 0x80;
|
|
} else {
|
|
// not ASCII
|
|
if (stringStart >= 0) {
|
|
// was in a string, output it
|
|
CreateStringOrByte(stringStart, cur - stringStart, subType);
|
|
stringStart = -1;
|
|
}
|
|
// output as single byte
|
|
CreateByteFD(cur, FormatDescriptor.SubType.Hex);
|
|
}
|
|
}
|
|
if (stringStart >= 0) {
|
|
// close out the string
|
|
CreateStringOrByte(stringStart, cur - stringStart, subType);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a format descriptor for ASCII data. If the data is only one byte long,
|
|
/// a single-byte ASCII char item is emitted instead.
|
|
/// </summary>
|
|
/// <param name="offset">Offset of first byte.</param>
|
|
/// <param name="length">Length of string.</param>
|
|
/// <param name="subType">String sub-type.</param>
|
|
private void CreateStringOrByte(int offset, int length,
|
|
FormatDescriptor.SubType subType) {
|
|
Debug.Assert(length > 0);
|
|
if (length == 1) {
|
|
// single byte, output as single ASCII char rather than 1-byte string
|
|
CreateByteFD(offset, FormatDescriptor.SubType.Ascii);
|
|
} else {
|
|
FormatDescriptor dfd;
|
|
dfd = FormatDescriptor.Create(length,
|
|
FormatDescriptor.Type.String, subType);
|
|
Results.Add(offset, dfd);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a format descriptor for a single-byte numeric value.
|
|
/// </summary>
|
|
/// <param name="offset">File offset.</param>
|
|
/// <param name="subType">How to format the item.</param>
|
|
private void CreateByteFD(int offset, FormatDescriptor.SubType subType) {
|
|
FormatDescriptor dfd = FormatDescriptor.Create(1,
|
|
FormatDescriptor.Type.NumericLE, subType);
|
|
Results.Add(offset, dfd);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates one or more FormatDescriptor entries for the specified range, adding them
|
|
/// to the Results list.
|
|
/// </summary>
|
|
/// <param name="low">Offset of first byte in range.</param>
|
|
/// <param name="high">Offset of last byte in range.</param>
|
|
/// <param name="subType">String sub-type.</param>
|
|
private void CreateCStringEntries(int low, int high,
|
|
FormatDescriptor.SubType subType) {
|
|
int startOffset = low;
|
|
for (int i = low; i <= high; i++) {
|
|
if (mFileData[i] == 0x00) {
|
|
// End of string. Zero-length strings are allowed.
|
|
FormatDescriptor dfd = FormatDescriptor.Create(
|
|
i - startOffset + 1, FormatDescriptor.Type.String, subType);
|
|
Results.Add(startOffset, dfd);
|
|
startOffset = i + 1;
|
|
} else {
|
|
// keep going
|
|
}
|
|
}
|
|
|
|
// Earlier analysis guaranteed that the last byte in the buffer is 0x00.
|
|
Debug.Assert(startOffset == high + 1);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates one or more FormatDescriptor entries for the specified range, adding them
|
|
/// to the Results list.
|
|
/// </summary>
|
|
/// <param name="low">Offset of first byte in range.</param>
|
|
/// <param name="high">Offset of last byte in range.</param>
|
|
/// <param name="subType">String sub-type.</param>
|
|
private void CreateLengthStringEntries(int low, int high,
|
|
FormatDescriptor.SubType subType) {
|
|
int i;
|
|
for (i = low; i <= high;) {
|
|
int length = mFileData[i];
|
|
if (subType == FormatDescriptor.SubType.L16String) {
|
|
length |= mFileData[i + 1] << 8;
|
|
length += 2;
|
|
} else {
|
|
length++;
|
|
}
|
|
// Zero-length strings are allowed.
|
|
FormatDescriptor dfd = FormatDescriptor.Create(length,
|
|
FormatDescriptor.Type.String, subType);
|
|
Results.Add(i, dfd);
|
|
i += length;
|
|
}
|
|
|
|
Debug.Assert(i == high + 1);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates one or more FormatDescriptor entries for the specified range, adding them
|
|
/// to the Results list.
|
|
/// </summary>
|
|
/// <param name="low">Offset of first byte in range.</param>
|
|
/// <param name="high">Offset of last byte in range.</param>
|
|
/// <param name="subType">String sub-type.</param>
|
|
private void CreateDciStringEntries(int low, int high,
|
|
FormatDescriptor.SubType subType) {
|
|
int start, end, adj, endMask;
|
|
if (subType == FormatDescriptor.SubType.Dci) {
|
|
start = low;
|
|
end = high + 1;
|
|
adj = 1;
|
|
} else if (subType == FormatDescriptor.SubType.DciReverse) {
|
|
start = high;
|
|
end = low - 1;
|
|
adj = -1;
|
|
} else {
|
|
Debug.Assert(false);
|
|
return;
|
|
}
|
|
|
|
// Zero-length strings aren't a thing for DCI. The analyzer requires that all
|
|
// strings in a region have the same polarity, so just grab the last byte.
|
|
endMask = mFileData[end - 1] & 0x80;
|
|
|
|
int stringStart = start;
|
|
for (int i = start; i != end; i += adj) {
|
|
byte val = mFileData[i];
|
|
if ((val & 0x80) == endMask) {
|
|
// found the end of a string
|
|
int length = (i - stringStart) * adj + 1;
|
|
FormatDescriptor dfd = FormatDescriptor.Create(length,
|
|
FormatDescriptor.Type.String, subType);
|
|
Results.Add(stringStart < i ? stringStart : i, dfd);
|
|
stringStart = i + adj;
|
|
}
|
|
}
|
|
|
|
Debug.Assert(stringStart == end);
|
|
}
|
|
}
|
|
}
|