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Working on the assembler.

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Creeper Lv
2025-07-27 04:43:13 +10:00
parent 76f667204f
commit 4faef5337b
2 changed files with 23 additions and 5 deletions
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22
src/SVM.Assembler.Core/Assembler.cs
View File

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

6
src/SVM.Assembler.Core/ISADefinition.cs
View File

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