Working on the assembler.

This commit is contained in:
2025-07-27 04:43:13 +10:00
parent 76f667204f
commit 4faef5337b
2 changed files with 23 additions and 5 deletions

View File

@@ -15,7 +15,7 @@ Match:
D [0-9]
Number {D}+
InstMath math
InstMath bmath
InstCvt cvt
InstSystem system
InstSys sys
@@ -23,11 +23,11 @@ InstSD sd
Register \${D}+
LabelCode \.code\:
LabelData \.data\:
\.const\:
string "".*""
LabelConst \.const\:
word \w*
GenericLabel {word}\:
LineEnd \n
string "".*""
OpAdd add
OpSub sub
@@ -62,6 +62,10 @@ LabelConstant InternalLbl
{
definition.Substitute();
}
else
{
Console.WriteLine("Lexer Definition load failed.");
}
ISA = isaDefinition;
}
@@ -115,10 +119,14 @@ LabelConstant InternalLbl
{
return operationResult;
}
if (!ISA.InstructionDefinitionAliases.TryGetValue(LexDef.LexMatchedItemId, out var instructionDef))
if (!ISA.InstructionDefinitionAliases.TryGetValue(LexDef.Content ?? "", out var instructionDef))
{
Console.WriteLine($"Cannot find matching instruction:{LexDef.Content}");
operationResult.AddError(new Error());
return operationResult;
}
Console.WriteLine($"Found:{instructionDef.PrimaryInstruction}");
intermediateInstruction.inst = instructionDef.PrimaryInstruction;
foreach (var item in instructionDef.ParameterPattern)
{
var next = Lex(lexer);
@@ -140,12 +148,14 @@ LabelConstant InternalLbl
}
intermediateInstruction.Parameters.Add(next.Result);
}
Console.WriteLine($"Parsed:{intermediateInstruction.inst}");
return intermediateInstruction;
}
public OperationResult<IntermediateObject> AssembleIntermediateObject(string input, string ID = "main.asm")
{
StringLexer lexer = new StringLexer();
lexer.SetDefinition(definition);
Console.WriteLine(input);
lexer.Content = input;
lexer.SourceID = ID;
OperationResult<IntermediateObject> operationResult = new OperationResult<IntermediateObject>(new IntermediateObject());
@@ -153,6 +163,7 @@ LabelConstant InternalLbl
while (true)
{
var lexResult = Lex(lexer);
Console.WriteLine($"{lexResult.Result?.Content ?? "<null>"}");
if (lexResult.Result == null) break;
var r = lexResult.Result;
switch (r.LexSegmentId)
@@ -178,9 +189,10 @@ LabelConstant InternalLbl
{
case InternalLabel.Code:
{
Console.WriteLine($"Code Seg:{r.Content}");
OperationResult<IntermediateInstruction?> instR = r.LexSegmentId switch
{
"GenericLabel" => ParseInstruction(lexer, r, r),
"LblG" => ParseInstruction(lexer, r, r),
_ => ParseInstruction(lexer, r, null),
};
if (operationResult.CheckAndInheritErrorAndWarnings(instR))

View File

@@ -120,6 +120,7 @@ namespace SVM.Assembler.Core
{
return false;
}
Console.WriteLine($"Definition of: {pi}");
instDefinition.PrimaryInstruction = pi;
foreach (XmlNode item in node.ChildNodes)
{
@@ -163,6 +164,11 @@ namespace SVM.Assembler.Core
}
}
definition.InstructionDefinitions.Add(pi, instDefinition);
foreach (var item in instDefinition.Aliases)
{
definition.InstructionDefinitionAliases.Add(item, instDefinition);
}
return true;
}
static bool ParseDefinitions(XmlNode node, ref ISADefinition definition)