/// <summary>
/// Assemble the parsed <see cref="SourceLine"/>.
/// </summary>
/// <param name="line">The line to assembly.</param>
/// <returns>The disassembly output from the assembly operation.</returns>
/// <exception cref="BlockClosureException"/>
/// <exception cref="DirectoryNotFoundException"/>
/// <exception cref="DivideByZeroException"/>
/// <exception cref="ExpressionException"/>
/// <exception cref="FileNotFoundException"/>
/// <exception cref="FormatException"/>
/// <exception cref="InvalidPCAssignmentException"/>
/// <exception cref="BlockAssemblerException"/>
/// <exception cref="OverflowException"/>
/// <exception cref="ProgramOverflowException"/>
/// <exception cref="ReturnException"/>
/// <exception cref="SectionException"/>
/// <exception cref="SymbolException"/>
/// <exception cref="SyntaxException"/>
public string Assemble(RandomAccessIterator <SourceLine> lines)
{
var first = lines.Current;
bool isSpecial = first.Label != null && first.Label.IsSpecialOperator();
PCOnAssemble = Services.Output.LogicalPC;
if (first.Label != null && !first.Label.Name.Equals("*"))
{
if (isSpecial)
{
Services.SymbolManager.DefineLineReference(first.Label, PCOnAssemble);
}
else if (first.Instruction == null || !ExcludedInstructionsForLabelDefines.Contains(first.Instruction.Name))
{
DefineLabel(first.Label, PCOnAssemble, true);
}
}
if (first.Instruction != null)
{
return(OnAssemble(lines));
}
if (first.Label != null && !isSpecial)
{
var symbol = Services.SymbolManager.GetSymbol(first.Label, false);
if (symbol != null && symbol.IsNumeric && symbol.StorageType == StorageType.Scalar && !double.IsNaN(symbol.NumericValue))
{
return(string.Format(".{0}{1}",
((int)symbol.NumericValue).ToString("x4").PadRight(42),
Services.Options.NoSource ? string.Empty : first.Source));
}
}
return(string.Empty);
}
/// <summary>
/// Constructs a DotNetAsm.MiscAssembler class.
/// </summary>
/// <param name="services">The shared <see cref="AssemblyServices"/> object.</param>
public MiscAssembler(AssemblyServices services)
: base(services)
{
Reserved.DefineType("Directives",
".assert", ".bank", ".end",
".eor", ".echo", ".forcepass",
".format", ".invoke",
".initmem", ".target",
".error", ".errorif",
".pron", ".proff",
".warnif", ".warn",
".dsection", ".section"
);
ExcludedInstructionsForLabelDefines.Add(".section");
Services.PassChanged += (s, a) => Services.PrintOff = false;
}
/// <summary>
/// Constructs a new instance of a block assembler.
/// </summary>
/// <param name="services">The shared <see cref="AssemblyServices"/> object.</param>
public BlockAssembler(AssemblyServices services)
: base(services)
{
_blocks = new Stack <BlockProcessorBase>();
_functionDefs = new Dictionary <StringView, Function>(services.StringViewComparer);
_currentBlock = null;
_openClosures = new Dictionary <StringView, StringView>(services.StringViewComparer)
{
{ ".block", ".endblock" },
{ ".for", ".next" },
{ ".foreach", ".next" },
{ ".function", ".endfunction" },
{ ".if", ".endif" },
{ ".ifdef", ".endif" },
{ ".ifndef", ".endif" },
{ ".namespace", ".endnamespace" },
{ ".page", ".endpage" },
{ ".repeat", ".endrepeat" },
{ ".switch", ".endswitch" },
{ ".while", ".endwhile" }
};
Reserved.DefineType("Functional",
".function", ".endfunction");
Reserved.DefineType("NonOpens",
".break", ".case", ".continue", ".default", ".endblock", ".endif",
".endfunction", ".endpage", ".endnamespace", ".endrepeat", ".endswitch",
".endwhile", ".else", ".elseif", ".elseifdef", ".elseifdef", ".elseifndef", ".next");
Reserved.DefineType("BreakContinue", ".break", ".continue");
Reserved.DefineType("Goto", ".goto");
ExcludedInstructionsForLabelDefines.Add(".function");
ExcludedInstructionsForLabelDefines.Add(".block");
Services.Evaluator.AddFunctionEvaluator(this);
Services.IsReserved.Add(s => _functionDefs.ContainsKey(s));
}
/// <summary>
/// Constructs a new instance of the assignment assembler class.
/// </summary>
/// <param name="services">The shared <see cref="AssemblyServices"/> object.</param>
public AssignmentAssembler(AssemblyServices services)
: base(services)
{
Reserved.DefineType("Assignments", ".equ", ".global", "=");
Reserved.DefineType("Pseudo",
".relocate", ".pseudopc", ".endrelocate", ".realpc");
Reserved.DefineType("Directives", ".let", ".org");
Reserved.DefineType("Functions", "len");
ExcludedInstructionsForLabelDefines.Add(".org");
ExcludedInstructionsForLabelDefines.Add(".equ");
ExcludedInstructionsForLabelDefines.Add("=");
ExcludedInstructionsForLabelDefines.Add(".global");
Services.Evaluator.AddFunctionEvaluator(this);
}
