mirror of https://github.com/fadden/6502bench.git
1746 lines
82 KiB
C#
1746 lines
82 KiB
C#
/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Windows.Media;
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using System.Text;
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using Asm65;
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using CommonUtil;
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using FormattedParts = SourceGen.DisplayList.FormattedParts;
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using TextScanMode = SourceGen.ProjectProperties.AnalysisParameters.TextScanMode;
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namespace SourceGen {
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/// <summary>
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/// Converts file data and Anattrib contents into a series of strings and format metadata.
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/// </summary>
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public class LineListGen {
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/// <summary>
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/// Color multiplier for Notes. Used for "dark" mode.
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/// </summary>
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public float NoteColorMultiplier { get; set; } = 1.0f;
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/// <summary>
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/// List of display lines.
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/// </summary>
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private List<Line> mLineList;
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/// <summary>
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/// List of formatted parts to be presented to the user. This has one entry per line.
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/// </summary>
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/// <remarks>
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/// Separating FormattedParts out of Line seems odd at first, but we need changes to
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/// DisplayList to cause events in XAML. I'm thinking the artificial separation of
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/// Line from the formatted data holder may make future ports easier.
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/// </remarks>
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private DisplayList mDisplayList;
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/// <summary>
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/// Project that contains the data we're formatting, notably the FileData and
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/// Anattribs arrays.
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/// </summary>
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private DisasmProject mProject;
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/// <summary>
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/// Code/data formatter.
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/// </summary>
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private Formatter mFormatter;
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/// <summary>
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/// If set, prepend cycle counts to EOL comments.
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/// </summary>
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private bool mShowCycleCounts;
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/// <summary>
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/// Names for pseudo-ops.
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/// </summary>
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private PseudoOp.PseudoOpNames mPseudoOpNames;
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/// <summary>
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/// Cache of previously-formatted data. The data is stored with references to
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/// dependencies, so it should not be necessary to explicitly clear this.
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/// </summary>
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private FormattedOperandCache mFormattedLineCache;
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/// <summary>
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/// Local variable table data extractor.
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/// </summary>
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private LocalVariableLookup mLvLookup;
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/// <summary>
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/// Character test, for display of character data next to default data items.
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/// </summary>
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private CharEncoding.InclusionTest mCharTest;
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private CharEncoding.Convert mCharConv;
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/// <summary>
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/// One of these per line of output in the display. It should be possible to draw
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/// all of the output without needing to refer back to the project data. (Currently
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/// making an exception for some selection-dependent field highlighting.)
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///
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/// Base fields are immutable, but the Parts property is set after creation.
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/// </summary>
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public class Line {
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// Extremely-negative offset value ensures it's at the very top.
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public const int HEADER_COMMENT_OFFSET = int.MinValue + 1;
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// These need to be bit flags so we can record which parts associated with a
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// given offset are selected.
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[FlagsAttribute]
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public enum Type {
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Unclassified = 0,
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// Primary functional items.
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Code = 1 << 0,
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Data = 1 << 1, // includes inline data
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CodeOrData = (Code | Data),
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// Decorative items, added by user or formatter.
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LongComment = 1 << 2,
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Note = 1 << 3,
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Blank = 1 << 4,
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// Assembler directives.
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ArStartDirective = 1 << 5,
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ArEndDirective = 1 << 6,
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EquDirective = 1 << 7,
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RegWidthDirective = 1 << 8,
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DataBankDirective = 1 << 9,
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// Additional metadata.
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LocalVariableTable = 1 << 10,
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VisualizationSet = 1 << 11,
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}
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/// <summary>
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/// Line type.
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/// </summary>
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public Type LineType { get; private set; }
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/// <summary>
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/// Numeric offset value. Used to map a line item to the Anattrib. Note this is
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/// set for all lines, and is the same for all lines in a multi-line sequence,
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/// e.g. every line in a long comment has the file offset with which it is associated.
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/// </summary>
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public int FileOffset { get; private set; }
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/// <summary>
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/// Number of offsets this line covers. Will be > 0 for code and data, zero for
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/// everything else. The same value is used for all lines in a multi-line sequence.
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/// </summary>
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public int OffsetSpan { get; private set; }
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/// <summary>
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/// For multi-line entries, this indicates which line is represented. For
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/// single-line entries, this will be zero.
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/// </summary>
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public int SubLineIndex { get; private set; }
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/// <summary>
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/// Strings for display. Creation may be deferred. Use the DisplayList
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/// GetFormattedParts() method to access this property.
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/// </summary>
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/// <remarks>
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/// Certain elements, such as multi-line comments, must be formatted to determine
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/// the number of lines they span. We retain the results to avoid formatting
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/// them twice.
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/// </remarks>
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public FormattedParts Parts { get; set; }
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/// <summary>
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/// Background color, used for Notes.
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/// </summary>
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public Color BackgroundColor { get; set; }
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/// <summary>
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/// String for searching. May be created on demand when the Line is first searched.
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/// </summary>
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public string SearchString { get; set; }
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public Line(int offset, int span, Type type) : this(offset, span, type, 0) { }
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public Line(int offset, int span, Type type, int subLineIndex) {
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FileOffset = offset;
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OffsetSpan = span;
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LineType = type;
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SubLineIndex = subLineIndex;
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}
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/// <summary>
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/// True if this line is code or data.
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/// </summary>
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public bool IsCodeOrData {
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get {
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return LineType == Type.Code || LineType == Type.Data;
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}
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}
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/// <summary>
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/// True if this line is an address range start or end.
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/// </summary>
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public bool IsAddressRangeDirective {
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get {
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return LineType == Type.ArStartDirective || LineType == Type.ArEndDirective;
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}
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}
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/// <summary>
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/// Returns true if the specified offset is represented by this line. There
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/// will be only one code/data line for a given offset, but there may be
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/// multiple others (comments, notes, etc.) associated with it.
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/// </summary>
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/// <param name="offset"></param>
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/// <returns></returns>
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public bool Contains(int offset) {
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// Note OffsetSpan can be zero.
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return (offset == FileOffset ||
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(offset >= FileOffset && offset < FileOffset + OffsetSpan));
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}
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public override string ToString() {
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return "Line type=" + LineType + " off=+" + FileOffset.ToString("x6") +
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" span=" + OffsetSpan;
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}
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}
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/// <summary>
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/// Captures the set of selected lines. Lines are identified by offset and type.
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///
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/// The idea is to save the selection, rebuild the list -- potentially moving
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/// stuff around -- and then rebuild the selection bitmap by finding matching
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/// items.
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///
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/// We don't try to identify parts of multi-line things. If you've selected
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/// part of a multi-line string, then when we restore the selection you'll have
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/// the entire string selected. For the operations that are possible across
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/// multiple offsets, this seems like reasonable behavior.
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///
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/// We can't precisely restore the selection in terms of which file offsets
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/// are selected. If you select one byte and apply an analyzer tag, we'll restore
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/// the selection to a line with 1-4 bytes. This gets weird if you hit "undo",
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/// as you will then have 1-4 bytes selected rather than the original one. It
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/// might be better to just clear the selection on "undo".
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/// </summary>
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public class SavedSelection {
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private class Tag {
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public int mOffset;
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public int mSpan;
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public Line.Type mTypes;
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public Tag(int offset, int span, Line.Type lineType) {
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//Debug.Assert(offset >= 0);
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Debug.Assert(span >= 0);
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mOffset = offset;
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mSpan = (span == 0) ? 1 : span;
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mTypes = lineType;
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}
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}
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private List<Tag> mSelectionTags = new List<Tag>();
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/// <summary>
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/// This is a place to save the file offset associated with the ListView's
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/// TopItem, so we can position the list appropriately.
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/// </summary>
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private NavStack.Location mTopPosition;
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// Use Generate().
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private SavedSelection() { }
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/// <summary>
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/// Creates a new SavedSelection object, generating a list of tags from the
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/// lines that are currently selected.
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///
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/// If nothing is selected, SavedSelection will have no members.
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/// </summary>
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/// <param name="dl">Display list, with list of Lines.</param>
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/// <param name="sel">Bit vector specifying which lines are selected.</param>
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/// <param name="topIndex">Index of line that appears at the top of the list
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/// control.</param>
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/// <returns>New SavedSelection object.</returns>
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public static SavedSelection Generate(LineListGen dl, DisplayListSelection sel,
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int topIndex) {
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SavedSelection savedSel = new SavedSelection();
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//Debug.Assert(topOffset >= 0);
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int topOffset = dl[topIndex].FileOffset;
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int firstIndex = dl.FindLineIndexByOffset(topOffset);
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Debug.Assert(topIndex >= firstIndex);
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savedSel.mTopPosition = new NavStack.Location(topOffset, topIndex - firstIndex,
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NavStack.GoToMode.JumpToAdjIndex);
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List<Line> lineList = dl.mLineList;
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Debug.Assert(lineList.Count == sel.Length);
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// Generate tags, which are a combination of the offset, span, and a merge
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// of types of all the lines associated with that offset.
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//
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// We may want to consider some sort of optimization for a "select all"
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// operation, although there aren't many changes you can make after selecting
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// all lines in a very large file.
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Tag tag = null;
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int curOffset = -1;
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for (int i = 0; i < lineList.Count; i++) {
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if (!sel[i]) {
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continue;
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}
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Line line = lineList[i];
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// Code start/stop tags can transform code to data and vice-versa, so we
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// want the tag to reflect the fact that both could exist.
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Line.Type lineType = line.LineType;
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if (lineType == Line.Type.Code || lineType == Line.Type.Data) {
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lineType = Line.Type.CodeOrData;
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}
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if (line.FileOffset == curOffset ||
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(tag != null && lineType == Line.Type.ArEndDirective)) {
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// Another item at same offset. We special-case the arend directive
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// because it's contained within the previous item, so we want it to be
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// set on the existing [offset,offset+span) range tag.
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tag.mSpan = Math.Max(tag.mSpan, line.OffsetSpan);
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tag.mTypes |= lineType;
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Debug.Assert(line.FileOffset >= tag.mOffset &&
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line.FileOffset < tag.mOffset + tag.mSpan);
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} else {
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// advanced to new offset, flush previous
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if (tag != null) {
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savedSel.mSelectionTags.Add(tag);
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}
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curOffset = line.FileOffset;
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tag = new Tag(line.FileOffset, line.OffsetSpan, lineType);
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}
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}
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if (curOffset == -1) {
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// It's hard to cause an action that requires save/restore when you don't
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// have anything selected in the ListView. However, this can happen if
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// you do a sequence like:
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// - Open a file that starts with a JMP followed by data.
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// - Click on the blank line below the code, which has the code's offset,
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// and select "remove atags". This causes the blank line to vanish,
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// so the Restore() won't select anything.
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// - Click "undo".
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Debug.WriteLine("NOTE: no selection found");
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} else {
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// Add the in-progress tag to the list.
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savedSel.mSelectionTags.Add(tag);
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}
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return savedSel;
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}
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/// <summary>
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/// Creates a selection set by identifying the set of lines in the display list
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/// that correspond to items in the SavedSelection tag list.
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/// </summary>
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/// <param name="dl">Display list, with list of Lines.</param>
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/// <param name="topIndex">Index of line to place at top of list control.</param>
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/// <returns>Set of selected lines.</returns>
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public DisplayListSelection Restore(LineListGen dl, out int topIndex) {
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List<Line> lineList = dl.mLineList;
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DisplayListSelection sel = new DisplayListSelection(lineList.Count);
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topIndex = -1;
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// Walk through the tag list, which is ordered by ascending offset, and
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// through the display list, which is similarly ordered.
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int tagIndex = 0;
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int lineIndex = 0;
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while (tagIndex < mSelectionTags.Count && lineIndex < lineList.Count) {
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Tag tag = mSelectionTags[tagIndex];
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int lineOffset = lineList[lineIndex].FileOffset;
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// If a line encompassing this offset was at the top of the ListView
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// control before, use this line's index as the top.
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if (topIndex < 0 && lineList[lineIndex].Contains(mTopPosition.Offset)) {
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topIndex = lineIndex;
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}
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if (lineOffset >= tag.mOffset && lineOffset < tag.mOffset + tag.mSpan) {
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// Intersection. If the line type matches, add it to the set.
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// TODO(someday): this is doing the wrong thing when we have more
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// than one blank line at an offset.
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if ((tag.mTypes & lineList[lineIndex].LineType) != 0) {
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sel[lineIndex] = true;
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}
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// Advance to the next line entry.
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lineIndex++;
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} else if (tag.mOffset < lineOffset) {
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// advance tag
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tagIndex++;
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} else {
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Debug.Assert(tag.mOffset > lineOffset);
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lineIndex++;
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}
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}
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// Continue search for topIndex, if necessary.
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while (topIndex < 0 && lineIndex < lineList.Count) {
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if (lineList[lineIndex].Contains(mTopPosition.Offset)) {
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topIndex = lineIndex;
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break;
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}
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lineIndex++;
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}
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Debug.WriteLine("TopOffset " + mTopPosition + " --> index " + topIndex);
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// Adjust position within an element. This is necessary so we don't jump to
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// the top of multi-line long comments or notes whenever any part of that
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// comment or note is at the top of the list.
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if (topIndex >= 0 && mTopPosition.LineDelta > 0) {
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int adjIndex = topIndex + mTopPosition.LineDelta;
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if (adjIndex >= lineList.Count ||
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lineList[adjIndex].FileOffset != mTopPosition.Offset) {
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Debug.WriteLine("Can't adjust top position");
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// can't adjust; maybe they deleted several lines from comment
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} else {
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topIndex = adjIndex;
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Debug.WriteLine("Top index adjusted to " + adjIndex);
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}
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}
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if (topIndex < 0) {
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// This can happen if you delete the header comment while scrolled
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// to the top of the list.
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topIndex = 0;
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}
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// If the selected item was deleted, we can't restore the selection. This is
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// annoying when you're using the keyboard, because if you hit Del to delete a
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// note and then hit down-arrow you jump to the top of the file. If we detect
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// this situation, we want to select the thing that appeared below it. We can
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// approximate this by just selecting the first thing at the offset (which is
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// not quite right if you have both a long comment and a note, but it'll do).
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//
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// This doesn't help for some of the header stuff, e.g. if you select the last
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// platform/project equate and then remove one symbol, the selection gets lost.
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if (sel.Count == 0 && mSelectionTags.Count != 0) {
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Debug.WriteLine("Lost selection");
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int tryOffset = mSelectionTags[0].mOffset;
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int tryIndex = LineListGen.FindLineByOffset(lineList, tryOffset);
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if (tryIndex >= 0) {
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Debug.WriteLine(" Setting to offset +" + tryOffset.ToString("x6") +
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" (line " + tryIndex + ")");
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sel[tryIndex] = true;
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}
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}
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return sel;
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}
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public void DebugDump() {
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Debug.WriteLine("Selection (" + mSelectionTags.Count + " offsets):");
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foreach (Tag tag in mSelectionTags) {
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Debug.WriteLine(" +" + tag.mOffset.ToString("x6") + "/" +
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tag.mSpan + ": " + tag.mTypes);
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}
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}
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}
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/// <summary>
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/// Constructor.
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/// </summary>
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/// <param name="proj">Project object.</param>
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/// <param name="formatter">Formatter object.</param>
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public LineListGen(DisasmProject proj, DisplayList displayList, Formatter formatter,
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PseudoOp.PseudoOpNames opNames) {
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Debug.Assert(proj != null);
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Debug.Assert(displayList != null);
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Debug.Assert(formatter != null);
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Debug.Assert(opNames != null);
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mProject = proj;
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mDisplayList = displayList;
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mFormatter = formatter;
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mPseudoOpNames = opNames;
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mLineList = new List<Line>();
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mFormattedLineCache = new FormattedOperandCache();
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mShowCycleCounts = AppSettings.Global.GetBool(AppSettings.FMT_SHOW_CYCLE_COUNTS,
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false);
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mLvLookup = new LocalVariableLookup(mProject.LvTables, mProject, null, false, false);
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mDisplayList.ListGen = this;
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}
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/// <summary>
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/// Changes the Formatter object. Clears the line list, instigating a full re-render.
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/// </summary>
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/// <param name="formatter">Formatter object.</param>
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public void SetFormatter(Formatter formatter) {
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mFormatter = formatter;
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mLineList.Clear();
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mDisplayList.Clear();
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// We probably just changed settings, so update this as well.
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mShowCycleCounts = AppSettings.Global.GetBool(AppSettings.FMT_SHOW_CYCLE_COUNTS,
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false);
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}
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/// <summary>
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/// Changes the pseudo-op name object. Clears the line list, instigating a
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/// full re-render. If the new set is unchanged from the old set, nothing is done.
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/// </summary>
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/// <param name="opNames">Pseudo-op names.</param>
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public void SetPseudoOpNames(PseudoOp.PseudoOpNames opNames) {
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if (mPseudoOpNames == opNames) {
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return;
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}
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mPseudoOpNames = opNames;
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Debug.Assert(mPseudoOpNames == opNames);
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mLineList.Clear();
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|
mDisplayList.Clear();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Number of lines in the list.
|
|
/// </summary>
|
|
public int Count { get { return mLineList.Count; } }
|
|
|
|
/// <summary>
|
|
/// Retrieves the Nth element.
|
|
/// </summary>
|
|
public Line this[int key] {
|
|
get {
|
|
return mLineList[key];
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the Line's FormattedParts object, generating it first if necessary.
|
|
/// </summary>
|
|
/// <returns>Object with formatted strings.</returns>
|
|
public FormattedParts GetFormattedParts(int index) {
|
|
Line line = mLineList[index];
|
|
if (line.Parts == null) {
|
|
FormattedParts parts;
|
|
switch (line.LineType) {
|
|
case Line.Type.Code:
|
|
parts = GenerateInstructionLine(line.FileOffset, line.OffsetSpan);
|
|
break;
|
|
case Line.Type.Data:
|
|
parts = GenerateDataLine(line.FileOffset, line.SubLineIndex);
|
|
break;
|
|
case Line.Type.LocalVariableTable:
|
|
parts = GenerateLvTableLine(line.FileOffset, line.SubLineIndex);
|
|
break;
|
|
case Line.Type.VisualizationSet:
|
|
mProject.VisualizationSets.TryGetValue(line.FileOffset,
|
|
out VisualizationSet visSet);
|
|
parts = FormattedParts.CreateVisualizationSet(visSet);
|
|
break;
|
|
case Line.Type.Blank:
|
|
// Nothing to do.
|
|
parts = FormattedParts.CreateBlankLine();
|
|
break;
|
|
case Line.Type.ArStartDirective:
|
|
case Line.Type.ArEndDirective:
|
|
case Line.Type.RegWidthDirective:
|
|
case Line.Type.DataBankDirective:
|
|
case Line.Type.LongComment:
|
|
case Line.Type.Note:
|
|
// should have been done already
|
|
default:
|
|
Debug.Assert(false);
|
|
parts = FormattedParts.Create("x", "x", "x", "x", "x", "x", "x", "x", "x",
|
|
FormattedParts.PartFlags.None);
|
|
break;
|
|
}
|
|
line.Parts = parts;
|
|
}
|
|
return line.Parts;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a string with the concatenation of the searchable portions of the line.
|
|
/// Different sections are separated with an unlikely unicode character. The goal
|
|
/// is to have a single string per line that can be searched quickly, without having
|
|
/// adjacent fields spill into each other.
|
|
/// </summary>
|
|
/// <param name="index">Line index.</param>
|
|
/// <returns>Formatted line contents.</returns>
|
|
public string GetSearchString(int index) {
|
|
Line line = mLineList[index];
|
|
if (line.SearchString == null) {
|
|
const char sep = '\u203b'; // REFERENCE MARK
|
|
|
|
FormattedParts parts = GetFormattedParts(index);
|
|
StringBuilder sb = new StringBuilder();
|
|
// Some parts may be null, e.g. for long comments. Append() can deal.
|
|
sb.Append(parts.Label);
|
|
sb.Append(sep);
|
|
sb.Append(parts.Opcode);
|
|
sb.Append(sep);
|
|
sb.Append(parts.Operand);
|
|
sb.Append(sep);
|
|
sb.Append(parts.Comment);
|
|
line.SearchString = sb.ToString();
|
|
}
|
|
return line.SearchString;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Finds the first line entry that encompasses the specified offset.
|
|
/// </summary>
|
|
/// <param name="offset">Offset to search for. Negative values are allowed.</param>
|
|
/// <returns>Line list index, or -1 if not found.</returns>
|
|
private static int FindLineByOffset(List<Line> lineList, int offset) {
|
|
if (lineList.Count == 0) {
|
|
return -1;
|
|
}
|
|
|
|
// Start with a binary search.
|
|
int low = 0;
|
|
int high = lineList.Count - 1;
|
|
int mid = -1;
|
|
bool found = false;
|
|
while (low <= high) {
|
|
mid = (low + high) / 2;
|
|
Line line = lineList[mid];
|
|
|
|
if (line.Contains(offset)) {
|
|
// found a match
|
|
found = true;
|
|
break;
|
|
} else if (line.FileOffset > offset) {
|
|
// too big, move the high end in
|
|
high = mid - 1;
|
|
} else if (line.FileOffset < offset) {
|
|
// too small, move the low end in
|
|
low = mid + 1;
|
|
} else {
|
|
// WTF
|
|
throw new Exception("Bad binary search");
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
return -1;
|
|
}
|
|
|
|
// We found *a* matching line. Seek backward to find the *first* matching line.
|
|
while (mid > 0) {
|
|
Line upLine = lineList[mid - 1];
|
|
if (upLine.Contains(offset)) {
|
|
mid--;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return mid;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Finds the first line entry that encompasses the specified offset.
|
|
/// </summary>
|
|
/// <param name="offset">Offset to search for.</param>
|
|
/// <returns>Line list index, or -1 if not found.</returns>
|
|
public int FindLineIndexByOffset(int offset) {
|
|
return FindLineByOffset(mLineList, offset);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Finds the code or data line entry that encompasses the specified offset.
|
|
/// </summary>
|
|
/// <param name="offset">Offset to search for.</param>
|
|
/// <returns>Line list index, or -1 if not found.</returns>
|
|
public int FindCodeDataIndexByOffset(int offset) {
|
|
if (offset < 0) {
|
|
// Header offset. No code or data here.
|
|
return -1;
|
|
}
|
|
int index = FindLineByOffset(mLineList, offset);
|
|
if (index < 0) {
|
|
return -1;
|
|
}
|
|
while (mLineList[index].LineType != Line.Type.Code &&
|
|
mLineList[index].LineType != Line.Type.Data) {
|
|
index++;
|
|
}
|
|
return index;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generates Lines for the entire project.
|
|
/// </summary>
|
|
public void GenerateAll() {
|
|
// Do this now in case the project properties have changed.
|
|
ConfigureCharacterEncoding();
|
|
|
|
mLineList.Clear();
|
|
|
|
List<Line> headerLines = GenerateHeaderLines(mProject, mFormatter, mPseudoOpNames);
|
|
mLineList.InsertRange(0, headerLines);
|
|
|
|
GenerateLineList(0, mProject.FileData.Length - 1, mLineList);
|
|
|
|
mDisplayList.ResetList(mLineList.Count);
|
|
|
|
Debug.Assert(ValidateLineList(), "Display list failed validation");
|
|
}
|
|
|
|
private void ConfigureCharacterEncoding() {
|
|
TextScanMode textMode = mProject.ProjectProps.AnalysisParams.DefaultTextScanMode;
|
|
switch (textMode) {
|
|
case TextScanMode.LowAscii:
|
|
mCharTest = CharEncoding.IsPrintableAscii;
|
|
mCharConv = CharEncoding.ConvertAscii;
|
|
break;
|
|
case TextScanMode.LowHighAscii:
|
|
mCharTest = CharEncoding.IsPrintableLowOrHighAscii;
|
|
mCharConv = CharEncoding.ConvertLowAndHighAscii;
|
|
break;
|
|
case TextScanMode.C64Petscii:
|
|
mCharTest = CharEncoding.IsPrintableC64Petscii;
|
|
mCharConv = CharEncoding.ConvertC64Petscii;
|
|
break;
|
|
case TextScanMode.C64ScreenCode:
|
|
mCharTest = CharEncoding.IsPrintableC64ScreenCode;
|
|
mCharConv = CharEncoding.ConvertC64ScreenCode;
|
|
break;
|
|
default:
|
|
Debug.Assert(false);
|
|
mCharTest = CharEncoding.IsPrintableAscii;
|
|
mCharConv = CharEncoding.ConvertAscii;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generates a list of Lines for the specified range of offsets, replacing
|
|
/// existing values.
|
|
/// </summary>
|
|
/// <param name="startOffset">First offset. Must be the start of an instruction
|
|
/// or data area.</param>
|
|
/// <param name="endOffset">End offset (inclusive).</param>
|
|
public void GenerateRange(int startOffset, int endOffset) {
|
|
if (startOffset < 0) {
|
|
// Clear existing header lines. Find the first non-header item.
|
|
int headerEndIndex = FindLineByOffset(mLineList, 0);
|
|
if (headerEndIndex == 0) {
|
|
// no header lines present
|
|
Debug.WriteLine("No header lines found");
|
|
} else {
|
|
Debug.WriteLine("Removing " + headerEndIndex + " header lines");
|
|
mLineList.RemoveRange(0, headerEndIndex);
|
|
}
|
|
|
|
List<Line> headerLines = GenerateHeaderLines(mProject, mFormatter, mPseudoOpNames);
|
|
mLineList.InsertRange(0, headerLines);
|
|
mDisplayList.ClearListSegment(0, headerEndIndex, headerLines.Count);
|
|
|
|
if (endOffset < 0) {
|
|
// nothing else to do -- header-only change
|
|
return;
|
|
}
|
|
// do the rest
|
|
startOffset = 0;
|
|
}
|
|
Debug.Assert(startOffset >= 0);
|
|
Debug.Assert(endOffset < mProject.FileData.Length);
|
|
Debug.Assert(endOffset >= startOffset);
|
|
//Debug.WriteLine("DL gen range [" + startOffset + "," + endOffset + "]");
|
|
|
|
// Find the start index. The start offset should always appear at the
|
|
// start of a Line (as opposed to being in the middle of a multi-byte instruction)
|
|
// because it comes from item selection.
|
|
int startIndex = FindLineByOffset(mLineList, startOffset);
|
|
if (startIndex < 0) {
|
|
Debug.Assert(false, "Unable to find startOffset " + startOffset);
|
|
GenerateAll();
|
|
return;
|
|
}
|
|
// Find the end index. The end offset can be part of a multi-line data item, like
|
|
// a long string. Find the first Line that starts at an offset larger than endOffset.
|
|
int endIndex;
|
|
if (startOffset == endOffset) {
|
|
// Simple optimization for single-offset groups.
|
|
endIndex = startIndex;
|
|
} else {
|
|
endIndex = FindLineByOffset(mLineList, endOffset);
|
|
}
|
|
if (endIndex < 0) {
|
|
Debug.Assert(false, "Unable to find endOffset " + endOffset);
|
|
GenerateAll();
|
|
return;
|
|
}
|
|
// There may be more than one line involved, so we need to scan forward.
|
|
for (endIndex++; endIndex < mLineList.Count; endIndex++) {
|
|
if (mLineList[endIndex].FileOffset > endOffset) {
|
|
endIndex--;
|
|
break;
|
|
}
|
|
}
|
|
if (endIndex == mLineList.Count) {
|
|
// whoops, loop ended before we had a chance to decrement
|
|
endIndex = mLineList.Count - 1;
|
|
}
|
|
Debug.WriteLine("GenerateRange: offset [+" + startOffset.ToString("x6") + ",+" +
|
|
endOffset.ToString("x6") +
|
|
"] maps to index [" + startIndex + "," + endIndex + "]");
|
|
Debug.Assert(endIndex >= startIndex);
|
|
|
|
// Create temporary list to hold new lines. Set the initial capacity to
|
|
// the previous size, on the assumption that it won't change much.
|
|
List<Line> newLines = new List<Line>(endIndex - startIndex + 1);
|
|
|
|
GenerateLineList(startOffset, endOffset, newLines);
|
|
|
|
// Out with the old, in with the new.
|
|
mLineList.RemoveRange(startIndex, endIndex - startIndex + 1);
|
|
mLineList.InsertRange(startIndex, newLines);
|
|
mDisplayList.ClearListSegment(startIndex, endIndex - startIndex + 1, newLines.Count);
|
|
|
|
Debug.Assert(ValidateLineList(), "Display list failed validation");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the line list, confirming that every offset is represented exactly once.
|
|
/// </summary>
|
|
/// <returns>True if all is well.</returns>
|
|
private bool ValidateLineList() {
|
|
int expectedOffset = 0;
|
|
int lastOffset = Int32.MinValue;
|
|
foreach (Line line in mLineList) {
|
|
// Header lines aren't guaranteed to be sequential and don't have a span.
|
|
// They are expected to be in sorted order, and to be unique (with the
|
|
// notable exception of the header comment, which is multi-line).
|
|
if (line.FileOffset < 0) {
|
|
if (line.FileOffset < lastOffset || (line.LineType != Line.Type.LongComment &&
|
|
line.FileOffset == lastOffset)) {
|
|
Debug.WriteLine("Header offsets went backward: cur=" +
|
|
line.FileOffset + " last=" + lastOffset);
|
|
return false;
|
|
}
|
|
lastOffset = line.FileOffset;
|
|
continue;
|
|
}
|
|
|
|
// Blank lines and comments can appear before or after code/data. They
|
|
// must have the offset of the associated line, and a span of zero.
|
|
if (line.FileOffset != expectedOffset && line.FileOffset != lastOffset) {
|
|
// arend directives are associated with the last byte of a region, so
|
|
// we need to make a special exemption for them.
|
|
if (line.LineType == Line.Type.ArEndDirective &&
|
|
line.FileOffset == expectedOffset - 1) {
|
|
// allow
|
|
} else {
|
|
Debug.WriteLine("ValidateLineList: bad offset " + line.FileOffset +
|
|
" (last=" + lastOffset + ", expected next=" + expectedOffset + ")");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (line.SubLineIndex != 0) {
|
|
// In the middle of a multi-line thing, don't advance last/expected.
|
|
if (line.LineType != Line.Type.ArEndDirective) {
|
|
Debug.Assert(line.FileOffset == lastOffset);
|
|
}
|
|
} else {
|
|
lastOffset = expectedOffset;
|
|
expectedOffset += line.OffsetSpan;
|
|
}
|
|
}
|
|
|
|
if (expectedOffset != mProject.FileData.Length) {
|
|
Debug.WriteLine("ValidateLineList: did not cover entire file: last offset " +
|
|
expectedOffset + ", file has " + mProject.FileData.Length);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generates a synthetic offset for the FileOffset field from an index value.
|
|
/// (The exact algorithm isn't too important, as these offsets are not stored in the
|
|
/// project file.)
|
|
/// </summary>
|
|
/// <param name="index">Index into DisasmProject.ActiveDefSymbolListlist.</param>
|
|
/// <returns>Synthetic file offset. Value will be < 0.</returns>
|
|
public static int DefSymOffsetFromIndex(int index) {
|
|
Debug.Assert(index >= 0 && index < (1 << 24));
|
|
return index - (1 << 24);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the DisasmProject.ActiveDefSymbolList index for an EQU line with
|
|
/// the specified file offset.
|
|
/// </summary>
|
|
/// <param name="offset">Synthetic file offset, from DefSymOffsetFromIndex().</param>
|
|
/// <returns>Index into DisasmProject.ActiveDefSymbolListlist.</returns>
|
|
public static int DefSymIndexFromOffset(int offset) {
|
|
Debug.Assert(offset < 0);
|
|
return offset + (1 << 24);
|
|
}
|
|
|
|
// NOTE: the two functions above are tied to the implementation of the function
|
|
// below: we output the lines in the order in which they appear in ActiveDefSymbolList.
|
|
// If we want to get fancy and sort them, we'll need to do some additional work.
|
|
|
|
/// <summary>
|
|
/// Generates the header lines (header comment, EQU directives).
|
|
/// </summary>
|
|
/// <param name="proj">Project reference.</param>
|
|
/// <param name="formatter">Output formatter.</param>
|
|
/// <param name="opNames">Pseudo-op names.</param>
|
|
/// <returns>List with header lines.</returns>
|
|
private static List<Line> GenerateHeaderLines(DisasmProject proj, Formatter formatter,
|
|
PseudoOp.PseudoOpNames opNames) {
|
|
List<Line> tmpLines = new List<Line>();
|
|
Line line;
|
|
|
|
// Check for header comment.
|
|
if (proj.LongComments.TryGetValue(Line.HEADER_COMMENT_OFFSET,
|
|
out MultiLineComment headerComment)) {
|
|
List<string> formatted = headerComment.FormatText(formatter, string.Empty);
|
|
StringListToLines(formatted, Line.HEADER_COMMENT_OFFSET, Line.Type.LongComment,
|
|
CommonWPF.Helper.ZeroColor, 1.0f, tmpLines);
|
|
}
|
|
|
|
// Format symbols.
|
|
int index = 0;
|
|
foreach (DefSymbol defSym in proj.ActiveDefSymbolList) {
|
|
line = new Line(DefSymOffsetFromIndex(index), 0, Line.Type.EquDirective);
|
|
// Use an operand length of 1 so things are shown as concisely as possible.
|
|
string valueStr = PseudoOp.FormatNumericOperand(formatter, proj.SymbolTable,
|
|
null, defSym.DataDescriptor, defSym.Value, 1,
|
|
PseudoOp.FormatNumericOpFlags.None);
|
|
valueStr = PseudoOp.AnnotateEquDirective(formatter, valueStr, defSym);
|
|
string comment = formatter.FormatEolComment(defSym.Comment);
|
|
FormattedParts parts = FormattedParts.CreateFullDirective(
|
|
defSym.GenerateDisplayLabel(formatter),
|
|
formatter.FormatPseudoOp(opNames.EquDirective),
|
|
valueStr, comment);
|
|
line.Parts = parts;
|
|
tmpLines.Add(line);
|
|
index++;
|
|
}
|
|
|
|
if (proj.ActiveDefSymbolList.Count != 0) {
|
|
// We had some EQUs, throw a blank line at the end.
|
|
index++;
|
|
line = new Line(DefSymOffsetFromIndex(index), 0, Line.Type.Blank);
|
|
tmpLines.Add(line);
|
|
}
|
|
|
|
return tmpLines;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generates lines for the specified range of file offsets.
|
|
///
|
|
/// Does not generate formatted parts in most cases; that usually happens on demand.
|
|
/// Complicated items, such as word-wrapped long comments, may be generated now
|
|
/// and saved off.
|
|
///
|
|
/// This still needs a formatter even when no text is rendered because some
|
|
/// options, like maximum per-line operand length, might affect how many lines
|
|
/// are generated.
|
|
/// </summary>
|
|
/// <param name="startOffset">Offset of first byte.</param>
|
|
/// <param name="endOffset">Offset of last byte.</param>
|
|
/// <param name="lines">List to add output lines to.</param>
|
|
private void GenerateLineList(int startOffset, int endOffset, List<Line> lines) {
|
|
//Debug.WriteLine("GenerateRange [+" + startOffset.ToString("x6") + ",+" +
|
|
// endOffset.ToString("x6") + "]");
|
|
|
|
|
|
Debug.Assert(startOffset >= 0);
|
|
Debug.Assert(endOffset >= startOffset);
|
|
|
|
// Assume variables may have changed.
|
|
mLvLookup.Reset();
|
|
|
|
// Find the previous status flags for M/X tracking. This is for synthesizing
|
|
// long/short pseudo-op directives.
|
|
StatusFlags prevFlags = StatusFlags.AllIndeterminate;
|
|
if (mProject.CpuDef.HasEmuFlag) {
|
|
for (int scanoff = startOffset - 1; scanoff >= 0; scanoff--) {
|
|
Anattrib attr = mProject.GetAnattrib(scanoff);
|
|
if (attr.IsInstructionStart) {
|
|
prevFlags = attr.StatusFlags;
|
|
// Apply the same tweak here that we do to curFlags below.
|
|
prevFlags.M = attr.StatusFlags.IsShortM ? 1 : 0;
|
|
prevFlags.X = attr.StatusFlags.IsShortX ? 1 : 0;
|
|
Debug.WriteLine("GenerateLineList startOff=+" +
|
|
startOffset.ToString("x6") + " using initial flags from +" +
|
|
scanoff.ToString("x6") + ": " + prevFlags);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Configure the initial value of addBlank. The specific case we're handling is
|
|
// a no-continue instruction (e.g. JMP) followed by an instruction with a label.
|
|
// When we rename the label, we don't want the blank to disappear during the
|
|
// partial-list generation.
|
|
//
|
|
// (Blank lines should always be added ABOVE things rather than AFTER things.)
|
|
bool addBlank = false;
|
|
if (startOffset > 0) {
|
|
int baseOff = DataAnalysis.GetBaseOperandOffset(mProject, startOffset - 1);
|
|
if (mProject.GetAnattrib(baseOff).DoesNotContinue) {
|
|
// TODO(someday): ideally the blank line would come after inline data
|
|
// that follows a no-continue JSR/JSL/BRK
|
|
addBlank = true;
|
|
}
|
|
}
|
|
|
|
// Create an address map iterator and advance it to match gen.StartOffset.
|
|
IEnumerator<AddressMap.AddressChange> addrIter = mProject.AddrMap.AddressChangeIterator;
|
|
while (addrIter.MoveNext()) {
|
|
if (/*addrIter.Current.IsStart &&*/ addrIter.Current.Offset >= startOffset) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool hasPrgHeader = AsmGen.GenCommon.HasPrgHeader(mProject);
|
|
|
|
int offset = startOffset;
|
|
int arSubLine = 0;
|
|
while (offset <= endOffset) {
|
|
bool spaceAdded = false;
|
|
|
|
Anattrib attr = mProject.GetAnattrib(offset);
|
|
if (attr.IsInstructionStart && offset > 0 &&
|
|
mProject.GetAnattrib(offset - 1).IsData) {
|
|
// Transition from data to code. (Don't add blank line for inline data.)
|
|
lines.Add(GenerateBlankLine(offset));
|
|
spaceAdded = true;
|
|
} else if (mProject.VisualizationSets.ContainsKey(offset) && !addBlank) {
|
|
// Blank line before visualization set helps keep image visually grouped
|
|
// with its data.
|
|
lines.Add(GenerateBlankLine(offset));
|
|
spaceAdded = true;
|
|
} else if (addBlank) {
|
|
// Previous instruction wanted to be followed by a blank line.
|
|
lines.Add(GenerateBlankLine(offset));
|
|
spaceAdded = true;
|
|
}
|
|
addBlank = false;
|
|
|
|
// Insert long comments and notes. These may span multiple display lines,
|
|
// and require word-wrap, so it's easiest just to render them fully here.
|
|
// Set "spaceAdded" to true so arstart doesn't try to add one after the comment.
|
|
//
|
|
// TODO: integrate into FormattedOperandCache so we don't have to
|
|
// regenerate them unless they change. Use the MLC as the dependency.
|
|
if (mProject.Notes.TryGetValue(offset, out MultiLineComment noteData)) {
|
|
List<string> formatted = noteData.FormatText(mFormatter, "NOTE: ");
|
|
StringListToLines(formatted, offset, Line.Type.Note,
|
|
noteData.BackgroundColor, NoteColorMultiplier, lines);
|
|
spaceAdded = true;
|
|
}
|
|
if (mProject.LongComments.TryGetValue(offset, out MultiLineComment longComment)) {
|
|
List<string> formatted = longComment.FormatText(mFormatter, string.Empty);
|
|
StringListToLines(formatted, offset, Line.Type.LongComment,
|
|
longComment.BackgroundColor, NoteColorMultiplier, lines);
|
|
spaceAdded = true;
|
|
}
|
|
if (mProject.VisualizationSets.TryGetValue(offset, out VisualizationSet visSet)) {
|
|
lines.Add(new Line(offset, 0, Line.Type.VisualizationSet));
|
|
spaceAdded = true;
|
|
}
|
|
|
|
// Handle address region starts.
|
|
bool multiStart = false;
|
|
arSubLine = 0;
|
|
while (addrIter.Current != null && addrIter.Current.Offset <= offset) {
|
|
AddressMap.AddressChange change = addrIter.Current;
|
|
// Range starts/ends shouldn't be embedded in something.
|
|
Debug.Assert(change.Offset == offset);
|
|
|
|
AddressMap.AddressRegion region = change.Region;
|
|
if (region.Offset == 0 && hasPrgHeader) {
|
|
// Suppress the arstart at offset zero. We know there's another one
|
|
// at offset +000002, and that it matches the value at +0/1.
|
|
addrIter.MoveNext();
|
|
continue;
|
|
}
|
|
|
|
if (change.IsStart) {
|
|
// Blank line above ORG directive, except at top of file or when we've
|
|
// already added one for another reason.
|
|
if (region.Offset != 0 && !spaceAdded && !multiStart) {
|
|
lines.Add(GenerateBlankLine(offset));
|
|
}
|
|
spaceAdded = false; // next one will need a blank line
|
|
multiStart = true; // unless it's another arstart immediately
|
|
|
|
if (region.HasValidPreLabel) {
|
|
Line preLine =
|
|
new Line(offset, 0, Line.Type.ArStartDirective, arSubLine++);
|
|
string preAddrStr = mFormatter.FormatAddress(region.PreLabelAddress,
|
|
!mProject.CpuDef.HasAddr16);
|
|
preLine.Parts = FormattedParts.CreatePreLabelDirective(preAddrStr,
|
|
region.PreLabel);
|
|
lines.Add(preLine);
|
|
}
|
|
|
|
Line newLine = new Line(offset, 0, Line.Type.ArStartDirective, arSubLine++);
|
|
string addrStr;
|
|
if (region.Address == Address.NON_ADDR) {
|
|
addrStr = Address.NON_ADDR_STR;
|
|
} else if (change.Region.HasValidIsRelative) {
|
|
int diff = region.Address - change.Region.PreLabelAddress;
|
|
string pfxStr;
|
|
if (diff >= 0) {
|
|
pfxStr = "*+";
|
|
} else {
|
|
pfxStr = "*-";
|
|
diff = -diff;
|
|
}
|
|
addrStr = pfxStr + mFormatter.FormatHexValue(diff, 4);
|
|
} else {
|
|
addrStr = mFormatter.FormatHexValue(region.Address, 4);
|
|
}
|
|
#if DEBUG1
|
|
string comment = mFormatter.FormatEolComment("ends at " +
|
|
mFormatter.FormatOffset24(region.Offset + region.ActualLength - 1) +
|
|
(region.IsFloating ? " (floating)" : string.Empty));
|
|
if (change.IsSynthetic) {
|
|
comment += " (auto-generated)";
|
|
}
|
|
#else
|
|
string comment = string.Empty;
|
|
if (change.IsSynthetic) {
|
|
comment = mFormatter.FormatEolComment("(auto-generated)");
|
|
}
|
|
#endif
|
|
newLine.Parts = FormattedParts.CreateFullDirective(string.Empty,
|
|
mFormatter.FormatPseudoOp(mPseudoOpNames.ArStartDirective),
|
|
addrStr, comment);
|
|
lines.Add(newLine);
|
|
addrIter.MoveNext();
|
|
} else {
|
|
// Next entry is an end marker.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Local variable tables come next. Defer rendering.
|
|
if (mProject.LvTables.TryGetValue(offset, out LocalVariableTable lvt)) {
|
|
int count = lvt.Count;
|
|
// If "clear previous" is set, we output an additional line.
|
|
if (lvt.ClearPrevious) {
|
|
count++;
|
|
}
|
|
if (count == 0) {
|
|
// Need to show something so the user will know an empty table is here.
|
|
count = 1;
|
|
}
|
|
for (int i = 0; i < count; i++) {
|
|
Line line = new Line(offset, 0, Line.Type.LocalVariableTable, i);
|
|
lines.Add(line);
|
|
}
|
|
lines.Add(GenerateBlankLine(offset));
|
|
}
|
|
|
|
if (attr.IsInstructionStart) {
|
|
// Generate reg width directive, if necessary. These are generated after the
|
|
// SEP/REP/PLP instruction has taken effect, so we want it to appear *before*
|
|
// the current instruction.
|
|
if (mProject.CpuDef.HasEmuFlag) {
|
|
// Changing from "ambiguous but assumed short" to "definitively short"
|
|
// merits a directive, notably at the start of the file. The tricky
|
|
// part is that E=1 means definitively M=1 X=1. And maybe
|
|
// indeterminate E also means that.
|
|
//
|
|
// We don't want to mess with Anattrib, but we do need to tell the
|
|
// assembler something. So we tweak our local copy and propagate it.
|
|
string operandStr = string.Empty;
|
|
StatusFlags curFlags = attr.StatusFlags;
|
|
curFlags.M = attr.StatusFlags.IsShortM ? 1 : 0;
|
|
curFlags.X = attr.StatusFlags.IsShortX ? 1 : 0;
|
|
if (curFlags.M != prevFlags.M) {
|
|
operandStr = (curFlags.M == 0) ? "longm" : "shortm";
|
|
}
|
|
|
|
if (curFlags.X != prevFlags.X) {
|
|
if (operandStr.Length > 0) {
|
|
operandStr += ",";
|
|
}
|
|
operandStr += (curFlags.X == 0) ? "longx" : "shortx";
|
|
}
|
|
|
|
if (operandStr.Length > 0) {
|
|
Line rwLine = new Line(offset, 0, Line.Type.RegWidthDirective);
|
|
// FormatPseudoOp isn't quite right for the operand, but there
|
|
// isn't anything more suitable, and there are only eight
|
|
// possible values. Having the operand capitalization match the
|
|
// pseudo-op's feels reasonable.
|
|
rwLine.Parts = FormattedParts.CreateDirective(
|
|
mFormatter.FormatPseudoOp(mPseudoOpNames.RegWidthDirective),
|
|
mFormatter.FormatPseudoOp(operandStr));
|
|
lines.Add(rwLine);
|
|
}
|
|
prevFlags = curFlags;
|
|
}
|
|
|
|
// Add data bank register change. This is generally applied to a PLB
|
|
// instruction, so we'd like it to appear on the line following the
|
|
// instruction, but that looks funny for e.g. the auto-added B=K at the
|
|
// start of each bank, and would be wrong if placed on a "LDA abs" line.
|
|
// (We could handle PLB lines differently, but apparently inconsistent
|
|
// behavior is unwise.)
|
|
if (mProject.DbrChanges.TryGetValue(offset,
|
|
out CodeAnalysis.DbrValue dbrValue)) {
|
|
string bankStr;
|
|
if (dbrValue.FollowPbr) {
|
|
bankStr = Res.Strings.DATA_BANK_K;
|
|
} else {
|
|
bankStr = mFormatter.FormatHexValue(dbrValue.Bank, 2);
|
|
}
|
|
|
|
string fmt;
|
|
if (dbrValue.ValueSource == CodeAnalysis.DbrValue.Source.Auto) {
|
|
fmt = Res.Strings.DATA_BANK_AUTO_FMT;
|
|
} else {
|
|
fmt = Res.Strings.DATA_BANK_USER_FMT;
|
|
}
|
|
string operandStr = string.Format(fmt, bankStr);
|
|
|
|
Line dbrLine = new Line(offset, 0, Line.Type.DataBankDirective);
|
|
dbrLine.Parts = FormattedParts.CreateDirective(
|
|
mFormatter.FormatPseudoOp(mPseudoOpNames.DataBankDirective),
|
|
mFormatter.FormatPseudoOp(operandStr));
|
|
lines.Add(dbrLine);
|
|
}
|
|
|
|
// Look for embedded instructions.
|
|
int len;
|
|
for (len = 1; len < attr.Length; len++) {
|
|
if (mProject.GetAnattrib(offset + len).IsInstructionStart) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Create Line entry. Offset span only covers the instruction up to
|
|
// the point where the embedded instruction starts.
|
|
Line line = new Line(offset, len, Line.Type.Code);
|
|
lines.Add(line);
|
|
|
|
// Insert blank after an instruction that doesn't continue. Provides a
|
|
// break in code, and before a data area.
|
|
// TODO(maybe): Might also want to do this if the next offset is data,
|
|
// to make things look nicer when code runs directly into data.
|
|
//
|
|
// We don't want to add it with the current line's offset. If we do that,
|
|
// the binary search will get confused, because blank lines have a span
|
|
// of zero. If the code is at offset 10 with length 3, and we search for
|
|
// the byte at offset 11, then a blank line (with span=0) at offset 10 will
|
|
// cause the binary search to assume that the target is farther down, when
|
|
// it's actually one line up. We deal with this by setting a flag and
|
|
// generating the blank line on the next trip through the loop.
|
|
if (attr.DoesNotContinue) {
|
|
addBlank = true;
|
|
}
|
|
|
|
offset += len;
|
|
} else {
|
|
Debug.Assert(attr.DataDescriptor != null);
|
|
if (attr.DataDescriptor.IsString) {
|
|
// See if we've already got this one.
|
|
List<string> strLines = mFormattedLineCache.GetStringEntry(offset,
|
|
mFormatter, attr.DataDescriptor, mPseudoOpNames, out string popcode);
|
|
if (strLines == null) {
|
|
//Debug.WriteLine("FMT string at +" + offset.ToString("x6"));
|
|
strLines = PseudoOp.FormatStringOp(mFormatter, mPseudoOpNames,
|
|
attr.DataDescriptor, mProject.FileData, offset,
|
|
out popcode);
|
|
mFormattedLineCache.SetStringEntry(offset, strLines, popcode,
|
|
mFormatter, attr.DataDescriptor, mPseudoOpNames);
|
|
}
|
|
FormattedParts[] partsArray = GenerateStringLines(offset,
|
|
popcode, strLines);
|
|
for (int i = 0; i < strLines.Count; i++) {
|
|
Line line = new Line(offset, attr.Length, Line.Type.Data, i);
|
|
line.Parts = partsArray[i];
|
|
lines.Add(line);
|
|
}
|
|
} else {
|
|
int numLines = PseudoOp.ComputeRequiredLineCount(mFormatter,
|
|
mPseudoOpNames,attr.DataDescriptor, mProject.FileData, offset);
|
|
for (int i = 0; i < numLines; i++) {
|
|
Line line = new Line(offset, attr.Length, Line.Type.Data, i);
|
|
lines.Add(line);
|
|
}
|
|
}
|
|
offset += attr.Length;
|
|
}
|
|
|
|
// Check for address region ends, which will be positioned one byte before the
|
|
// updated offset (unless they somehow got embedded inside something else).
|
|
//
|
|
// The arend can only appear on the same offset as arstart in a single-byte
|
|
// region, and we can't have more than one of those at the same offset.
|
|
// If this is not a single-byte region, we need to reset the sub-line count.
|
|
// (Alternatively: track the offset of the last arstart, and reset subline
|
|
// if they differ.)
|
|
if (addrIter.Current != null && addrIter.Current.Region.Length != 1) {
|
|
arSubLine = 0;
|
|
}
|
|
while (addrIter.Current != null && addrIter.Current.Offset < offset) {
|
|
AddressMap.AddressChange change = addrIter.Current;
|
|
// Range starts/ends shouldn't be embedded in something.
|
|
if (change.Offset != offset - 1) {
|
|
Debug.Assert(false, "Bad offset: change.Offset=+" +
|
|
change.Offset.ToString("x6") + " offset-1=+" +
|
|
(offset - 1).ToString("x6"));
|
|
}
|
|
|
|
if (change.Region.Offset == 0 && hasPrgHeader) {
|
|
// Suppress the arend at offset +000001.
|
|
addrIter.MoveNext();
|
|
arSubLine++; // need to track address map
|
|
continue;
|
|
}
|
|
|
|
if (!change.IsStart) {
|
|
// Show the start address to make it easier to pair them visually.
|
|
string floatStr = change.Region.IsFloating ? "~" : "";
|
|
string addrStr;
|
|
if (change.Region.Address == Address.NON_ADDR) {
|
|
addrStr = "\u2191 " + floatStr + Address.NON_ADDR_STR;
|
|
} else {
|
|
addrStr = "\u2191 " + floatStr +
|
|
mFormatter.FormatHexValue(change.Region.Address, 4);
|
|
}
|
|
|
|
// Associate with offset of previous byte.
|
|
Line newLine = new Line(offset - 1, 0, Line.Type.ArEndDirective,
|
|
arSubLine++);
|
|
newLine.Parts = FormattedParts.CreateDirective(
|
|
mFormatter.FormatPseudoOp(mPseudoOpNames.ArEndDirective),
|
|
addrStr);
|
|
lines.Add(newLine);
|
|
addrIter.MoveNext();
|
|
|
|
// Put a blank line before the next thing.
|
|
// TODO(maybe): this gets lost in a partial update, e.g. you add a
|
|
// long comment right after a arend with no following arstart and
|
|
// then hit "undo", because the blank is logically part of the
|
|
// following offset.
|
|
addBlank = true;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generates a blank line entry.
|
|
/// </summary>
|
|
private static Line GenerateBlankLine(int offset) {
|
|
return new Line(offset, 0, Line.Type.Blank);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Takes a list of strings and adds them to the Line list as long comments.
|
|
/// </summary>
|
|
/// <param name="list">String list.</param>
|
|
/// <param name="offset">File offset of item start.</param>
|
|
/// <param name="lineType">What type of line this is.</param>
|
|
/// <param name="color">Background color (for Notes).</param>
|
|
/// <param name="lines">Line list to add data to.</param>
|
|
private static void StringListToLines(List<string> list, int offset, Line.Type lineType,
|
|
Color color, float mult, List<Line> lines) {
|
|
foreach (string str in list) {
|
|
Line line = new Line(offset, 0, lineType);
|
|
FormattedParts parts = FormattedParts.CreateNote(str,
|
|
Color.Multiply(color, mult));
|
|
line.Parts = parts;
|
|
line.BackgroundColor = color;
|
|
lines.Add(line);
|
|
}
|
|
}
|
|
|
|
private FormattedParts GenerateInstructionLine(int offset, int instrBytes) {
|
|
Anattrib attr = mProject.GetAnattrib(offset);
|
|
byte[] data = mProject.FileData;
|
|
|
|
string offsetStr = mFormatter.FormatOffset24(offset);
|
|
|
|
int addr = attr.Address;
|
|
string addrStr = mFormatter.FormatAddress(addr, !mProject.CpuDef.HasAddr16);
|
|
string bytesStr = mFormatter.FormatBytes(data, offset, instrBytes);
|
|
string flagsStr = attr.StatusFlags.ToString(mProject.CpuDef.HasEmuFlag);
|
|
string attrStr = attr.ToAttrString();
|
|
|
|
string labelStr = string.Empty;
|
|
if (attr.Symbol != null) {
|
|
labelStr = attr.Symbol.GenerateDisplayLabel(mFormatter);
|
|
}
|
|
|
|
OpDef op = mProject.CpuDef.GetOpDef(data[offset]);
|
|
int operand = op.GetOperand(data, offset, attr.StatusFlags);
|
|
int instrLen = op.GetLength(attr.StatusFlags);
|
|
OpDef.WidthDisambiguation wdis = OpDef.WidthDisambiguation.None;
|
|
if (op.IsWidthPotentiallyAmbiguous) {
|
|
wdis = OpDef.GetWidthDisambiguation(instrLen, operand);
|
|
}
|
|
|
|
string opcodeStr = mFormatter.FormatOpcode(op, wdis);
|
|
if (attr.Length != instrBytes) {
|
|
// An instruction is embedded inside this one. Note that BRK is a two-byte
|
|
// instruction, so don't freak out if you see it marked as embedded when a
|
|
// $00 is followed by actual code. (But be a little freaked out that your
|
|
// code is running into a BRK.)
|
|
//opcodeStr = opcodeStr + " \u00bb"; // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
|
|
//opcodeStr = opcodeStr + " \u23e9"; // BLACK RIGHT-POINTING DOUBLE TRIANGLE
|
|
opcodeStr = opcodeStr + " \u25bc"; // BLACK DOWN-POINTING TRIANGLE
|
|
}
|
|
|
|
int operandLen = instrLen - 1;
|
|
PseudoOp.FormatNumericOpFlags opFlags = PseudoOp.FormatNumericOpFlags.None;
|
|
|
|
// Tweak branch instructions. We want to show the absolute address rather
|
|
// than the relative offset (which happens with the OperandAddress assignment
|
|
// below), and 1-byte branches should always appear as a 4-byte hex value.
|
|
if (op.AddrMode == OpDef.AddressMode.PCRel ||
|
|
op.AddrMode == OpDef.AddressMode.DPPCRel) {
|
|
Debug.Assert(attr.OperandAddress >= 0);
|
|
operandLen = 2;
|
|
opFlags = PseudoOp.FormatNumericOpFlags.IsPcRel;
|
|
} else if (op.AddrMode == OpDef.AddressMode.PCRelLong ||
|
|
op.AddrMode == OpDef.AddressMode.StackPCRelLong) {
|
|
opFlags = PseudoOp.FormatNumericOpFlags.IsPcRel;
|
|
} else if (op.AddrMode == OpDef.AddressMode.Imm ||
|
|
op.AddrMode == OpDef.AddressMode.ImmLongA ||
|
|
op.AddrMode == OpDef.AddressMode.ImmLongXY) {
|
|
opFlags = PseudoOp.FormatNumericOpFlags.HasHashPrefix;
|
|
}
|
|
if (op.IsAbsolutePBR) {
|
|
opFlags |= PseudoOp.FormatNumericOpFlags.IsAbsolutePBR;
|
|
}
|
|
|
|
// Use the OperandAddress when available. This is important for relative branch
|
|
// instructions and PER, where we want to show the target address rather than the
|
|
// operand value.
|
|
int operandForSymbol = operand;
|
|
if (attr.OperandAddress >= 0) {
|
|
operandForSymbol = attr.OperandAddress;
|
|
}
|
|
|
|
string formattedOperand;
|
|
|
|
// Check Length to watch for bogus descriptors. ApplyFormatDescriptors() should
|
|
// have discarded anything appropriate, so we might be able to eliminate this test.
|
|
if (attr.DataDescriptor != null && attr.Length == attr.DataDescriptor.Length) {
|
|
Debug.Assert(operandLen > 0);
|
|
|
|
// Format operand as directed.
|
|
if (op.AddrMode == OpDef.AddressMode.BlockMove) {
|
|
// Special handling for the double-operand block move.
|
|
string opstr1 = PseudoOp.FormatNumericOperand(mFormatter, mProject.SymbolTable,
|
|
null, attr.DataDescriptor, operand >> 8, 1,
|
|
PseudoOp.FormatNumericOpFlags.None);
|
|
string opstr2 = PseudoOp.FormatNumericOperand(mFormatter, mProject.SymbolTable,
|
|
null, attr.DataDescriptor, operand & 0xff, 1,
|
|
PseudoOp.FormatNumericOpFlags.None);
|
|
formattedOperand = '#' + opstr1 + "," + '#' + opstr2;
|
|
} else if (op.AddrMode == OpDef.AddressMode.DPPCRel) {
|
|
// Special handling for double-operand BBR/BBS. The instruction generally
|
|
// behaves like a branch, so format that first.
|
|
string branchStr = PseudoOp.FormatNumericOperand(mFormatter,
|
|
mProject.SymbolTable, mLvLookup, null, attr.DataDescriptor, offset,
|
|
operandForSymbol, operandLen, opFlags);
|
|
string dpStr = mFormatter.FormatHexValue(operand & 0xff, 2);
|
|
formattedOperand = dpStr + "," + branchStr;
|
|
} else {
|
|
formattedOperand = PseudoOp.FormatNumericOperand(mFormatter,
|
|
mProject.SymbolTable, mLvLookup, null, attr.DataDescriptor, offset,
|
|
operandForSymbol, operandLen, opFlags);
|
|
}
|
|
} else {
|
|
// Show operand value in hex.
|
|
if (op.AddrMode == OpDef.AddressMode.BlockMove) {
|
|
formattedOperand = '#' + mFormatter.FormatHexValue(operand >> 8, 2) + "," +
|
|
'#' + mFormatter.FormatHexValue(operand & 0xff, 2);
|
|
} else if (op.AddrMode == OpDef.AddressMode.DPPCRel) {
|
|
formattedOperand = mFormatter.FormatHexValue(operand & 0xff, 2) + "," +
|
|
mFormatter.FormatHexValue(operandForSymbol, operandLen * 2);
|
|
} else {
|
|
if (operandLen == 2) {
|
|
// This is necessary for 16-bit operands, like "LDA abs" and "PEA val",
|
|
// when outside bank zero. The bank is included in the operand address,
|
|
// but we don't want to show it here.
|
|
// (Some assemblers want the bank to be shown for JSR/JMP, but we don't
|
|
// do that here. See the corresponding code in AsmGen.GenCommon)
|
|
operandForSymbol &= 0xffff;
|
|
}
|
|
formattedOperand = mFormatter.FormatHexValue(operandForSymbol, operandLen * 2);
|
|
}
|
|
}
|
|
string operandStr = mFormatter.FormatOperand(op, formattedOperand, wdis);
|
|
|
|
string eolComment = mProject.Comments[offset];
|
|
if (mShowCycleCounts) {
|
|
bool branchCross = (attr.Address & 0xff00) != (operandForSymbol & 0xff00);
|
|
int cycles = mProject.CpuDef.GetCycles(op.Opcode, attr.StatusFlags,
|
|
attr.BranchTaken, branchCross);
|
|
if (cycles > 0) {
|
|
if (!string.IsNullOrEmpty(eolComment)) {
|
|
eolComment = cycles.ToString() + " " + eolComment;
|
|
} else {
|
|
eolComment = cycles.ToString();
|
|
}
|
|
} else {
|
|
if (!string.IsNullOrEmpty(eolComment)) {
|
|
eolComment = (-cycles).ToString() + "+ " + eolComment;
|
|
} else {
|
|
eolComment = (-cycles).ToString() + "+";
|
|
}
|
|
}
|
|
}
|
|
string commentStr = mFormatter.FormatEolComment(eolComment);
|
|
|
|
FormattedParts.PartFlags pflags = FormattedParts.PartFlags.None;
|
|
if (mProject.StatusFlagOverrides[offset] != StatusFlags.DefaultValue) {
|
|
pflags |= FormattedParts.PartFlags.HasModifiedFlags;
|
|
}
|
|
if (attr.IsNonAddressable) {
|
|
pflags |= FormattedParts.PartFlags.IsNonAddressable;
|
|
}
|
|
FormattedParts parts = FormattedParts.Create(offsetStr, addrStr, bytesStr,
|
|
flagsStr, attrStr, labelStr, opcodeStr, operandStr, commentStr, pflags);
|
|
return parts;
|
|
}
|
|
|
|
private FormattedParts GenerateDataLine(int offset, int subLineIndex) {
|
|
Anattrib attr = mProject.GetAnattrib(offset);
|
|
byte[] data = mProject.FileData;
|
|
|
|
string offsetStr, addrStr, bytesStr, flagsStr, attrStr, labelStr, opcodeStr,
|
|
operandStr, commentStr;
|
|
offsetStr = addrStr = bytesStr = flagsStr = attrStr = labelStr = opcodeStr =
|
|
operandStr = commentStr = string.Empty;
|
|
|
|
PseudoOp.PseudoOut pout = PseudoOp.FormatDataOp(mFormatter, mPseudoOpNames,
|
|
mProject.SymbolTable, null, attr.DataDescriptor, mProject.FileData, offset,
|
|
subLineIndex);
|
|
if (subLineIndex == 0) {
|
|
offsetStr = mFormatter.FormatOffset24(offset);
|
|
|
|
addrStr = mFormatter.FormatAddress(attr.Address, !mProject.CpuDef.HasAddr16);
|
|
if (attr.Symbol != null) {
|
|
labelStr = attr.Symbol.GenerateDisplayLabel(mFormatter);
|
|
}
|
|
|
|
bytesStr = mFormatter.FormatBytes(data, offset, attr.Length);
|
|
attrStr = attr.ToAttrString();
|
|
|
|
opcodeStr = mFormatter.FormatPseudoOp(pout.Opcode);
|
|
commentStr = mFormatter.FormatEolComment(mProject.Comments[offset]);
|
|
} else {
|
|
opcodeStr = " +";
|
|
}
|
|
|
|
operandStr = pout.Operand;
|
|
|
|
// This seems less useful in practice than in theory, unless you have a lot of
|
|
// character data separated by unprintable values. Text generally gets found by
|
|
// the data scanner, and having character values next to things that aren't
|
|
// actually meant to be character data is more distracting than useful. If
|
|
// there's a good use case we could make it an option, and have mCharTest set
|
|
// to null if it's switched off.
|
|
if (false && attr.DataDescriptor.FormatType == FormatDescriptor.Type.Default) {
|
|
FormatDescriptor dfd = attr.DataDescriptor;
|
|
Debug.Assert(dfd.Length == 1);
|
|
int operand = RawData.GetWord(mProject.FileData, offset, dfd.Length, false);
|
|
|
|
if (mCharTest((byte)operand)) {
|
|
operandStr += " '" + mCharConv((byte)operand) + "'";
|
|
}
|
|
}
|
|
|
|
FormattedParts.PartFlags pflags = FormattedParts.PartFlags.None;
|
|
if (attr.IsNonAddressable) {
|
|
pflags |= FormattedParts.PartFlags.IsNonAddressable;
|
|
}
|
|
FormattedParts parts = FormattedParts.Create(offsetStr, addrStr, bytesStr,
|
|
flagsStr, attrStr, labelStr, opcodeStr, operandStr, commentStr, pflags);
|
|
return parts;
|
|
}
|
|
|
|
private FormattedParts GenerateLvTableLine(int offset, int subLineIndex) {
|
|
if (!mProject.LvTables.TryGetValue(offset, out LocalVariableTable lvt)) {
|
|
Debug.Assert(false);
|
|
return FormattedParts.CreateLongComment("BAD OFFSET +" + offset.ToString("x6") +
|
|
" sub=" + subLineIndex);
|
|
}
|
|
|
|
if (lvt.ClearPrevious) {
|
|
if (subLineIndex == 0) {
|
|
return FormattedParts.CreateLongComment(
|
|
Res.Strings.LOCAL_VARIABLE_TABLE_CLEAR);
|
|
} else {
|
|
// adjust for previously output "clear" line
|
|
subLineIndex--;
|
|
}
|
|
}
|
|
|
|
if (lvt.Count == 0) {
|
|
// If ClearPrevious is set, we returned the "clear" line for index zero.
|
|
// So this is an empty table without a clear. We want to show something so
|
|
// the user knows there's dead weight here.
|
|
Debug.Assert(subLineIndex == 0 && !lvt.ClearPrevious);
|
|
return FormattedParts.CreateLongComment(
|
|
Res.Strings.LOCAL_VARIABLE_TABLE_EMPTY);
|
|
}
|
|
|
|
if (subLineIndex >= lvt.Count) {
|
|
return FormattedParts.CreateLongComment("BAD INDEX +" + offset.ToString("x6") +
|
|
" sub=" + subLineIndex);
|
|
} else {
|
|
// Getting the symbol directly from the LvTable yields the original form,
|
|
// but we want the de-dup form.
|
|
//DefSymbol defSym = lvt[subLineIndex];
|
|
List<DefSymbol> lvars = mLvLookup.GetVariablesDefinedAtOffset(offset);
|
|
DefSymbol defSym = lvars[subLineIndex];
|
|
|
|
// Use an operand length of 1 so the value is shown as concisely as possible.
|
|
string addrStr = PseudoOp.FormatNumericOperand(mFormatter, mProject.SymbolTable,
|
|
null, defSym.DataDescriptor, defSym.Value, 1,
|
|
PseudoOp.FormatNumericOpFlags.None);
|
|
addrStr = PseudoOp.AnnotateEquDirective(mFormatter, addrStr, defSym);
|
|
string comment = mFormatter.FormatEolComment(defSym.Comment);
|
|
return FormattedParts.CreateFullDirective(
|
|
mFormatter.FormatVariableLabel(defSym.GenerateDisplayLabel(mFormatter)),
|
|
mFormatter.FormatPseudoOp(mPseudoOpNames.VarDirective),
|
|
addrStr, comment);
|
|
}
|
|
}
|
|
|
|
public DefSymbol GetLocalVariableFromLine(Line line) {
|
|
int offset = line.FileOffset;
|
|
if (!mProject.LvTables.TryGetValue(offset, out LocalVariableTable lvt)) {
|
|
Debug.Assert(false);
|
|
return null;
|
|
}
|
|
int tableIndex = line.SubLineIndex;
|
|
if (lvt.ClearPrevious) {
|
|
tableIndex--;
|
|
}
|
|
if (tableIndex < 0 || tableIndex >= lvt.Count) {
|
|
// Will be -1 on first line when ClearPrevious was set. Will be zero on
|
|
// first line of empty table.
|
|
return null;
|
|
}
|
|
|
|
// Go through LvLookup to get de-dup form of labels.
|
|
//return lvt[tableIndex];
|
|
List<DefSymbol> lvars = mLvLookup.GetVariablesDefinedAtOffset(offset);
|
|
return lvars[tableIndex];
|
|
}
|
|
|
|
public AddressMap.AddressRegion GetAddrRegionFromLine(Line line, out bool isSynth) {
|
|
// A given offset can have one or more arstart lines and one or more arend lines.
|
|
// You can't have an end followed by a start, because that would mean the regions
|
|
// overlap. If there's both start and end present, we have a 1-byte region.
|
|
int offset = line.FileOffset;
|
|
|
|
IEnumerator<AddressMap.AddressChange> addrIter = mProject.AddrMap.AddressChangeIterator;
|
|
while (addrIter.MoveNext()) {
|
|
if (addrIter.Current.Offset >= offset) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
int count = line.SubLineIndex;
|
|
while (addrIter.Current != null && addrIter.Current.Offset == offset) {
|
|
AddressMap.AddressChange change = addrIter.Current;
|
|
if (count == 0) {
|
|
// Could be pre-label or arstart that follows it. Both go to the same place.
|
|
isSynth = change.IsSynthetic;
|
|
return change.Region;
|
|
}
|
|
if (change.IsStart && change.Region.HasValidPreLabel) {
|
|
count--;
|
|
if (count == 0) {
|
|
// This is the arstart following the pre-label.
|
|
isSynth = change.IsSynthetic;
|
|
return change.Region;
|
|
}
|
|
}
|
|
count--;
|
|
|
|
addrIter.MoveNext();
|
|
}
|
|
|
|
isSynth = false;
|
|
return null;
|
|
}
|
|
|
|
private FormattedParts[] GenerateStringLines(int offset, string popcode,
|
|
List<string> operands) {
|
|
FormattedParts[] partsArray = new FormattedParts[operands.Count];
|
|
|
|
Anattrib attr = mProject.GetAnattrib(offset);
|
|
byte[] data = mProject.FileData;
|
|
|
|
string offsetStr, addrStr, bytesStr, attrStr, labelStr, opcodeStr,
|
|
operandStr, commentStr;
|
|
|
|
for (int subLineIndex = 0; subLineIndex < operands.Count; subLineIndex++) {
|
|
if (subLineIndex == 0) {
|
|
offsetStr = mFormatter.FormatOffset24(offset);
|
|
|
|
addrStr = mFormatter.FormatAddress(attr.Address, !mProject.CpuDef.HasAddr16);
|
|
if (attr.Symbol != null) {
|
|
labelStr = attr.Symbol.GenerateDisplayLabel(mFormatter);
|
|
} else {
|
|
labelStr = string.Empty;
|
|
}
|
|
|
|
bytesStr = mFormatter.FormatBytes(data, offset, attr.Length);
|
|
attrStr = attr.ToAttrString();
|
|
|
|
opcodeStr = mFormatter.FormatPseudoOp(popcode);
|
|
commentStr = mFormatter.FormatEolComment(mProject.Comments[offset]);
|
|
} else {
|
|
offsetStr = addrStr = bytesStr = attrStr = labelStr = commentStr =
|
|
string.Empty;
|
|
|
|
opcodeStr = " +";
|
|
}
|
|
|
|
operandStr = operands[subLineIndex];
|
|
|
|
FormattedParts.PartFlags pflags = FormattedParts.PartFlags.None;
|
|
if (attr.IsNonAddressable) {
|
|
pflags |= FormattedParts.PartFlags.IsNonAddressable;
|
|
}
|
|
FormattedParts parts = FormattedParts.Create(offsetStr, addrStr, bytesStr,
|
|
/*flags*/string.Empty, attrStr, labelStr, opcodeStr, operandStr, commentStr,
|
|
pflags);
|
|
|
|
partsArray[subLineIndex] = parts;
|
|
}
|
|
|
|
return partsArray;
|
|
}
|
|
}
|
|
}
|