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working kinda

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nub31
2025-02-02 20:12:20 +01:00
parent 2b5969cf99
commit 9719cd4426
7 changed files with 250 additions and 47 deletions
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45
Nub.Lang/Nub.Lang/Backend/Custom/Generator.cs
View File

@@ -42,6 +42,8 @@ public class Generator
{
_builder.AppendLine("global _start");
_builder.AppendLine("extern gc_alloc");
_builder.AppendLine("extern str_cmp");
foreach (var externFuncDefinition in _definitions.OfType<ExternFuncDefinitionNode>())
{
_builder.AppendLine($"extern {externFuncDefinition.Name}");
@@ -70,41 +72,6 @@ public class Generator
_builder.AppendLine("""
eb6e_alloc:
mov rax, 9
mov rsi, rdi
mov rdi, 0
mov rdx, 3
mov r10, 34
mov r8, -1
mov r9, 0
syscall
cmp rax, -1
je .error
ret
.error:
mov rax, 60
mov rdi, 1
syscall
eb6e_str_cmp:
xor rdx, rdx
.loop:
mov al, [rsi + rdx]
mov bl, [rdi + rdx]
inc rdx
cmp al, bl
jne .not_equal
cmp al, 0
je .equal
jmp .loop
.not_equal:
mov rax, 0
ret
.equal:
mov rax, 1
ret
eb6e_oob_error:
mov rax, 60
mov rdi, 139
@@ -429,8 +396,8 @@ public class Generator
private void GenerateArrayInitializer(ArrayInitializerNode arrayInitializer)
{
_builder.AppendLine($" mov rdi, {8 + arrayInitializer.Length * 8}");
_builder.AppendLine(" call eb6e_alloc");
_builder.AppendLine($" mov QWORD [rax], {arrayInitializer.Length}");
_builder.AppendLine(" call gc_alloc");
_builder.AppendLine($" mov qword [rax], {arrayInitializer.Length}");
}
private void GenerateBinaryExpression(BinaryExpressionNode binaryExpression, LocalFunc func)
@@ -506,7 +473,7 @@ public class Generator
case StringType:
_builder.AppendLine(" mov rdi, rax");
_builder.AppendLine(" mov rsi, rcx");
_builder.AppendLine(" call eb6e_str_cmp");
_builder.AppendLine(" call str_cmp");
break;
default:
throw new ArgumentOutOfRangeException(nameof(type));
@@ -660,7 +627,7 @@ public class Generator
}
_builder.AppendLine($" mov rdi, {structDefinition.Members.Count * 8}");
_builder.AppendLine(" call eb6e_alloc");
_builder.AppendLine(" call gc_alloc");
_builder.AppendLine(" mov rcx, rax");
foreach (var initializer in structInitializer.Initializers)

8
Nub.Lang/Nub.Lang/Backend/Custom/SymbolTable.cs
View File

@@ -91,20 +91,20 @@ public class SymbolTable
{
case IfNode ifStatement:
{
offset += ResolveBlockVariables(ifStatement.Body, variables, offset);
offset = ResolveBlockVariables(ifStatement.Body, variables, offset);
if (ifStatement.Else.HasValue)
{
ifStatement.Else.Value.Match
(
elseIfStatement => offset += ResolveBlockVariables(elseIfStatement.Body, variables, offset),
elseStatement => offset += ResolveBlockVariables(elseStatement, variables, offset)
elseIfStatement => offset = ResolveBlockVariables(elseIfStatement.Body, variables, offset),
elseStatement => offset = ResolveBlockVariables(elseStatement, variables, offset)
);
}
break;
}
case WhileNode whileStatement:
{
offset += ResolveBlockVariables(whileStatement.Body, variables, offset);
offset = ResolveBlockVariables(whileStatement.Body, variables, offset);
break;
}
case VariableAssignmentNode variableAssignment: