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Add support for string-encodable constants to assembler and disassembler

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This commit is contained in:
Yoshi Askharoun
2024-02-12 12:16:31 -06:00
parent 07840d5ee5
commit f0f712f9d9
3 changed files with 54 additions and 26 deletions
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libs/UIX.Asm/AsmMarkupLoader.cs
+35 -17
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@@ -12,9 +12,9 @@ namespace Microsoft.Iris.Asm;
internal class AsmMarkupLoader
{
private string _asmSource;
private LoadPass _currentValidationPass;
private readonly string _asmSource;
private readonly AsmMarkupLoadResult _loadResult;
private LoadPass _currentValidationPass;
private bool _usingSharedBinaryDataTable;
private SourceMarkupImportTables _importTables;
private ObjectSection _objectSection;
@@ -55,25 +55,13 @@ internal class AsmMarkupLoader
return _importedNamespaces[prefix];
}
public TypeSchema ResolveTypeFromQualifiedName(string qualifiedName)
public TypeSchema ResolveTypeFromQualifiedName(QualifiedTypeName qualifiedName)
{
if (qualifiedName == null)
throw new ArgumentNullException(nameof(qualifiedName));
string typeName;
LoadResult result;
int idx = qualifiedName.IndexOf(':');
if (idx <= 0)
{
typeName = qualifiedName[..idx];
result = FindDependency(qualifiedName[..idx]);
}
else
{
typeName = qualifiedName;
result = _loadResult;
}
var typeName = qualifiedName.TypeName;
var result = FindDependency(qualifiedName.NamespacePrefix);
return result.ExportTable.Where(e => e.Name == typeName).FirstOrDefault()
?? throw new Exception($"No type with the name '{typeName}' was exported from {result.Uri}");
@@ -213,6 +201,36 @@ internal class AsmMarkupLoader
ByteCodeReader reader = null;
if (!HasErrors)
{
// Add constants
var stringTypeSchema = UIXTypes.MapIDToType(UIXTypeID.String);
foreach (var constant in Program.Body.OfType<ConstantDirective>())
{
object constantValue;
var constantTypeSchema = ResolveTypeFromQualifiedName(constant.TypeName);
if (constantTypeSchema.SupportsTypeConversion(stringTypeSchema))
{
var parseResult = constantTypeSchema.TypeConverter(constant.Content, stringTypeSchema, out constantValue);
if (parseResult.Failed)
{
ReportError($"Failed to create an instance of '{constant.TypeName}' from '{constant.Content}'", constant);
continue;
}
}
else
{
ReportError($"'{constant.TypeName}' cannot be constructed from a string, and UIXA does not yet support XML construction.", constant);
continue;
}
var mode = constantTypeSchema.SupportsBinaryEncoding
? MarkupConstantPersistMode.Binary
: MarkupConstantPersistMode.FromString;
constantsTable.Add(constantTypeSchema, constantValue, mode);
}
reader = _objectSection.Encode();
UpdateExportOffsets();
}