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https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm.git
synced 2024-12-22 16:14:10 -08:00
C: workaround msvc C1054 error while compiling virtual table initializers of classes with deep inheritance hierarchy
This commit is contained in:
Alexey Andreev
parent
862e9b846f
commit
deece78dec
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@ -106,6 +106,7 @@ public class ClassGenerator {
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private AstDependencyExtractor dependencyExtractor = new AstDependencyExtractor();
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private List<CallSiteDescriptor> callSites;
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private ClassMetadataRequirements metadataRequirements;
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private static final int VT_STRUCTURE_INITIALIZER_DEPTH_THRESHOLD = 9;
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public ClassGenerator(GenerationContext context, TagRegistry tagRegistry, Decompiler decompiler,
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CacheStatus cacheStatus) {
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@ -569,25 +570,43 @@ public class ClassGenerator {
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} else {
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VirtualTable virtualTable = context.getVirtualTableProvider().lookup(className);
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if (cls.hasModifier(ElementModifier.INTERFACE)) {
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generateRuntimeClassInitializer(type, enumConstants);
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generateRuntimeClassInitializer(type, enumConstants, false, 0);
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} else if (virtualTable != null) {
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generateVirtualTableContent(virtualTable, virtualTable, type, enumConstants);
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boolean tooDeep = getInheritanceDepth(className) > VT_STRUCTURE_INITIALIZER_DEPTH_THRESHOLD;
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if (tooDeep) {
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codeWriter.println("0");
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initWriter.print(structName).print("* vt_0 = &").print(name).println(";");
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}
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generateVirtualTableContent(virtualTable, virtualTable, type, enumConstants, tooDeep, 0);
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} else {
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codeWriter.println(".parent = {").indent();
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generateRuntimeClassInitializer(type, enumConstants);
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generateRuntimeClassInitializer(type, enumConstants, false, 0);
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codeWriter.outdent().println("}");
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}
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}
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} else {
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generateRuntimeClassInitializer(type, enumConstants);
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generateRuntimeClassInitializer(type, enumConstants, false, 0);
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}
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codeWriter.outdent().println("};");
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}
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private int getInheritanceDepth(String className) {
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int depth = 0;
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while (true) {
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++depth;
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ClassReader cls = context.getClassSource().get(className);
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if (cls.getParent() == null) {
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break;
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}
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className = cls.getParent();
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}
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return depth;
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}
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private void generateDynamicVirtualTable(String name, ValueType type, String enumConstants) {
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codeWriter.println(".parent = {").indent();
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generateRuntimeClassInitializer(type, enumConstants);
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generateRuntimeClassInitializer(type, enumConstants, false, 0);
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codeWriter.outdent().println("}");
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String[] parentClasses;
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@ -619,14 +638,26 @@ public class ClassGenerator {
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}
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private void generateVirtualTableContent(VirtualTable current, VirtualTable original, ValueType type,
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String enumConstants) {
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String enumConstants, boolean initMethod, int depth) {
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if (!initMethod) {
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codeWriter.println(".parent = {").indent();
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if (current.getParent() == null) {
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generateRuntimeClassInitializer(type, enumConstants);
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} else {
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generateVirtualTableContent(current.getParent(), original, type, enumConstants);
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String parentStructName = current.getParent() != null
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? context.getNames().forClassClass(current.getParent().getClassName())
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: "TeaVM_Class";
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initWriter.print(parentStructName).print("* vt_").print(String.valueOf(depth + 1))
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.print(" = (").print(parentStructName).print("*) vt_").print(String.valueOf(depth)).println(";");
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}
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if (current.getParent() == null) {
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generateRuntimeClassInitializer(type, enumConstants, initMethod, depth + 1);
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} else {
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generateVirtualTableContent(current.getParent(), original, type, enumConstants, initMethod, depth + 1);
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}
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if (!initMethod) {
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codeWriter.outdent().print("}");
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}
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for (MethodDescriptor method : current.getMethods()) {
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if (method == null) {
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@ -637,14 +668,25 @@ public class ClassGenerator {
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continue;
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}
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if (!initMethod) {
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codeWriter.println(",");
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}
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String methodName = context.getNames().forVirtualMethod(method);
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String implName = "&" + context.getNames().forMethod(entry.getImplementor());
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includes.includeClass(entry.getImplementor().getClassName());
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if (initMethod) {
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initWriter.print("vt_").print(String.valueOf(depth)).print("->").print(methodName)
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.print(" = ").print(implName).println(";");
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} else {
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codeWriter.print(".").print(methodName).print(" = ").print(implName);
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}
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}
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if (!initMethod) {
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codeWriter.println();
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}
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}
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private String writeEnumConstants(ClassReader cls, String baseName) {
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List<FieldReader> fields = cls.getFields().stream()
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@ -660,7 +702,7 @@ public class ClassGenerator {
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return name;
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}
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private void generateRuntimeClassInitializer(ValueType type, String enumConstants) {
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private void generateRuntimeClassInitializer(ValueType type, String enumConstants, boolean initMethod, int depth) {
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String sizeExpr;
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int tag;
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String parent;
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@ -806,32 +848,63 @@ public class ClassGenerator {
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}
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includes.includePath("strings.h");
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codeWriter.println(".size = " + sizeExpr + ",");
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codeWriter.println(".flags = " + flags + ",");
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codeWriter.println(".tag = " + tag + ",");
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codeWriter.println(".canary = 0,");
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codeWriter.println(".name = " + nameRef + ",");
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codeWriter.println(".simpleName = " + simpleName + ",");
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codeWriter.println(".arrayType = " + arrayTypeExpr + ",");
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codeWriter.println(".itemType = " + itemTypeExpr + ",");
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codeWriter.println(".isSupertypeOf = &" + superTypeFunction + ",");
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codeWriter.println(".superclass = " + parent + ",");
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codeWriter.println(".superinterfaceCount = " + superinterfaceCount + ",");
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codeWriter.println(".superinterfaces = " + superinterfaces + ",");
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codeWriter.println(".layout = " + layout + ",");
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codeWriter.println(".enumValues = " + enumConstants + ",");
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codeWriter.println(".declaringClass = " + declaringClass + ",");
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codeWriter.println(".enclosingClass = " + enclosingClass + ",");
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codeWriter.print(".init = " + initFunction);
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List<FieldInitializer> initializers = new ArrayList<>();
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initializers.add(new FieldInitializer("size", sizeExpr));
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initializers.add(new FieldInitializer("flags", String.valueOf(flags)));
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initializers.add(new FieldInitializer("tag", String.valueOf(tag)));
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initializers.add(new FieldInitializer("canary", "0"));
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initializers.add(new FieldInitializer("name", nameRef));
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initializers.add(new FieldInitializer("simpleName", simpleName));
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initializers.add(new FieldInitializer("arrayType", arrayTypeExpr));
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initializers.add(new FieldInitializer("itemType", itemTypeExpr));
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initializers.add(new FieldInitializer("isSupertypeOf", "&" + superTypeFunction));
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initializers.add(new FieldInitializer("superclass", parent));
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initializers.add(new FieldInitializer("superinterfaceCount", superinterfaceCount));
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initializers.add(new FieldInitializer("superinterfaces", superinterfaces));
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initializers.add(new FieldInitializer("layout", layout));
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initializers.add(new FieldInitializer("enumValues", enumConstants));
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initializers.add(new FieldInitializer("declaringClass", declaringClass));
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initializers.add(new FieldInitializer("enclosingClass", enclosingClass));
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initializers.add(new FieldInitializer("init", initFunction));
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if (initMethod) {
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for (FieldInitializer initializer : initializers) {
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initWriter.print("vt_").print(String.valueOf(depth)).print("->").print(initializer.name)
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.print(" = ").print(initializer.value).println(";");
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}
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} else {
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for (int i = 0; i < initializers.size(); ++i) {
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if (i > 0) {
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codeWriter.println(",");
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}
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FieldInitializer initializer = initializers.get(i);
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codeWriter.print(".").print(initializer.name).print(" = ").print(initializer.value);
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}
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}
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if (context.isHeapDump() && type instanceof ValueType.Object) {
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ClassReader cls = context.getClassSource().get(((ValueType.Object) type).getClassName());
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generateHeapDumpMetadata(cls);
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}
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codeWriter.println();
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generateHeapDumpMetadata(initMethod ? initWriter : codeWriter, cls, initMethod, depth);
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}
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private void generateHeapDumpMetadata(ClassReader cls) {
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if (!initMethod) {
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codeWriter.println();
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}
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}
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static class FieldInitializer {
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final String name;
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final String value;
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FieldInitializer(String name, String value) {
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this.name = name;
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this.value = value;
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}
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}
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private void generateHeapDumpMetadata(CodeWriter codeWriter, ClassReader cls, boolean initMethod,
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int depth) {
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List<HeapDumpField> fields = getHeapDumpFields(cls);
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List<HeapDumpField> staticFields = getHeapDumpStaticFields(cls);
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if (staticFields.isEmpty() && fields.isEmpty()) {
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@ -839,20 +912,37 @@ public class ClassGenerator {
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}
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codeWriter.println().println("#if TEAVM_HEAP_DUMP").indent();
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if (!fields.isEmpty()) {
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if (initMethod) {
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codeWriter.print("vt_" + depth + "->");
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} else {
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codeWriter.println(",");
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codeWriter.println(".fieldDescriptors = (TeaVM_FieldDescriptors*) "
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codeWriter.print(".");
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}
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codeWriter.println("fieldDescriptors = (TeaVM_FieldDescriptors*) "
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+ "&(struct { uint32_t count; TeaVM_FieldDescriptor data["
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+ fields.size() + "]; }) {").indent();
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generateHeapDumpFields(fields);
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codeWriter.outdent().print("}");
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if (initMethod) {
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codeWriter.println(";");
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}
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}
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if (!staticFields.isEmpty()) {
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if (initMethod) {
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codeWriter.print("vt_" + depth + "->");
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} else {
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codeWriter.println(",");
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codeWriter.println(".staticFieldDescriptors = (TeaVM_StaticFieldDescriptors*) "
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codeWriter.print(".");
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}
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codeWriter.println("staticFieldDescriptors = (TeaVM_StaticFieldDescriptors*) "
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+ "&(struct { uint32_t count; TeaVM_StaticFieldDescriptor data["
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+ staticFields.size() + "]; }) {").indent();
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generateHeapDumpFields(staticFields);
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codeWriter.outdent().print("}");
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if (initMethod) {
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codeWriter.println(";");
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}
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}
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codeWriter.println().outdent().println("#endif");
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}
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