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converter.parser.MyASMDeserializerFactory Maven / Gradle / Ivy
package converter.parser;
import static com.alibaba.fastjson.util.ASMUtils.desc;
import static com.alibaba.fastjson.util.ASMUtils.type;
import com.alibaba.fastjson.asm.ClassWriter;
import com.alibaba.fastjson.asm.FieldWriter;
import com.alibaba.fastjson.asm.Label;
import com.alibaba.fastjson.asm.MethodVisitor;
import com.alibaba.fastjson.asm.MethodWriter;
import com.alibaba.fastjson.parser.DefaultJSONParser.ResolveTask;
import com.alibaba.fastjson.parser.Feature;
import com.alibaba.fastjson.parser.JSONLexer;
import com.alibaba.fastjson.parser.JSONToken;
import com.alibaba.fastjson.parser.ParseContext;
import com.alibaba.fastjson.parser.ParserConfig;
import com.alibaba.fastjson.parser.SymbolTable;
import com.alibaba.fastjson.parser.deserializer.ASMDeserializerFactory;
import com.alibaba.fastjson.parser.deserializer.EnumDeserializer;
import com.alibaba.fastjson.parser.deserializer.FieldDeserializer;
import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
import com.alibaba.fastjson.util.ASMClassLoader;
import com.alibaba.fastjson.util.FieldInfo;
import com.alibaba.fastjson.util.JavaBeanInfo;
import com.alibaba.fastjson.util.TypeUtils;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.TreeSet;
import java.util.concurrent.atomic.AtomicLong;
public class MyASMDeserializerFactory extends ASMDeserializerFactory {
public final ASMClassLoader classLoader;
protected final AtomicLong seed = new AtomicLong();
final static String DefaultJSONParser = type(
com.alibaba.fastjson.parser.DefaultJSONParser.class);
final static String JSONLexerBase = type(com.alibaba.fastjson.parser.JSONLexerBase.class);
public MyASMDeserializerFactory(ClassLoader parentClassLoader){
super(parentClassLoader);
classLoader = parentClassLoader instanceof ASMClassLoader //
? (ASMClassLoader) parentClassLoader //
: new ASMClassLoader(parentClassLoader);
}
public ObjectDeserializer createJavaBeanDeserializer(ParserConfig config, JavaBeanInfo beanInfo) throws Exception {
Class clazz = beanInfo.clazz;
if (clazz.isPrimitive()) {
throw new IllegalArgumentException("not support type :" + clazz.getName());
}
String className = "FastjsonASMDeserializer_" + seed.incrementAndGet() + "_" + clazz.getSimpleName();
String classNameType;
String classNameFull;
Package pkg = MyASMDeserializerFactory.class.getPackage();
if (pkg != null) {
String packageName = pkg.getName();
classNameType = packageName.replace('.', '/') + "/" + className;
classNameFull = packageName + "." + className;
} else {
classNameType = className;
classNameFull = className;
}
ClassWriter cw = new ClassWriter();
cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classNameType, type(MyJavaBeanDeserializer.class), null);
_init(cw, new Context(classNameType, config, beanInfo, 3));
_createInstance(cw, new Context(classNameType, config, beanInfo, 3));
_deserialze(cw, new Context(classNameType, config, beanInfo, 5));
_deserialzeArrayMapping(cw, new Context(classNameType, config, beanInfo, 4));
byte[] code = cw.toByteArray();
Class deserClass = classLoader.defineClassPublic(classNameFull, code, 0, code.length);
Constructor constructor = deserClass.getConstructor(ParserConfig.class, JavaBeanInfo.class);
Object instance = constructor.newInstance(config, beanInfo);
return (ObjectDeserializer) instance;
}
private void _setFlag(MethodVisitor mw, Context context, int i) {
String varName = "_asm_flag_" + (i / 32);
mw.visitVarInsn(ILOAD, context.var(varName));
mw.visitLdcInsn(1 << i);
mw.visitInsn(IOR);
mw.visitVarInsn(ISTORE, context.var(varName));
}
private void _isFlag(MethodVisitor mw, Context context, int i, Label label) {
mw.visitVarInsn(ILOAD, context.var("_asm_flag_" + (i / 32)));
mw.visitLdcInsn(1 << i);
mw.visitInsn(IAND);
mw.visitJumpInsn(IFEQ, label);
}
private void _deserialzeArrayMapping(ClassWriter cw, Context context) {
MethodVisitor mw = new MethodWriter(cw, ACC_PUBLIC, "deserialzeArrayMapping",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
null, null);
defineVarLexer(context, mw);
_createInstance(context, mw);
FieldInfo[] sortedFieldInfoList = context.beanInfo.sortedFields;
int fieldListSize = sortedFieldInfoList.length;
for (int i = 0; i < fieldListSize; ++i) {
final boolean last = (i == fieldListSize - 1);
final char seperator = last ? ']' : ',';
FieldInfo fieldInfo = sortedFieldInfoList[i];
Class fieldClass = fieldInfo.fieldClass;
Type fieldType = fieldInfo.fieldType;
if (fieldClass == byte.class //
|| fieldClass == short.class //
|| fieldClass == int.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanInt", "(C)I");
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == Byte.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanInt", "(C)I");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == Short.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanInt", "(C)I");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == Integer.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanInt", "(C)I");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == long.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanLong", "(C)J");
mw.visitVarInsn(LSTORE, context.var(fieldInfo.name + "_asm", 2));
} else if (fieldClass == Long.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanLong", "(C)J");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == boolean.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanBoolean", "(C)Z");
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == float.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFloat", "(C)F");
mw.visitVarInsn(FSTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == Float.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFloat", "(C)F");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == double.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanDouble", "(C)D");
mw.visitVarInsn(DSTORE, context.var(fieldInfo.name + "_asm", 2));
} else if (fieldClass == Double.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanDouble", "(C)D");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == char.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanString", "(C)Ljava/lang/String;");
mw.visitInsn(ICONST_0);
mw.visitMethodInsn(INVOKEVIRTUAL, "java/lang/String", "charAt", "(I)C");
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == String.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanString", "(C)Ljava/lang/String;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == BigDecimal.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanDecimal", "(C)Ljava/math/BigDecimal;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == java.util.Date.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanDate", "(C)Ljava/util/Date;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == java.util.UUID.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanUUID", "(C)Ljava/util/UUID;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass.isEnum()) {
Label enumNumIf_ = new Label();
Label enumNumErr_ = new Label();
Label enumStore_ = new Label();
Label enumQuote_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
mw.visitInsn(DUP);
mw.visitVarInsn(ISTORE, context.var("ch"));
mw.visitLdcInsn((int) 'n');
mw.visitJumpInsn(IF_ICMPEQ, enumQuote_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitLdcInsn((int) '\"');
mw.visitJumpInsn(IF_ICMPNE, enumNumIf_);
mw.visitLabel(enumQuote_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldClass)));
mw.visitVarInsn(ALOAD, 1);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getSymbolTable", "()" + desc(
SymbolTable.class));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanEnum",
"(Ljava/lang/Class;" + desc(SymbolTable.class) + "C)Ljava/lang/Enum;");
mw.visitJumpInsn(GOTO, enumStore_);
// (ch >= '0' && ch <= '9') {
mw.visitLabel(enumNumIf_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitLdcInsn((int) '0');
mw.visitJumpInsn(IF_ICMPLT, enumNumErr_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitLdcInsn((int) '9');
mw.visitJumpInsn(IF_ICMPGT, enumNumErr_);
_getFieldDeser(context, mw, fieldInfo);
mw.visitTypeInsn(CHECKCAST, type(EnumDeserializer.class)); // cast
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanInt", "(C)I");
mw.visitMethodInsn(INVOKEVIRTUAL, type(EnumDeserializer.class), "valueOf", "(I)Ljava/lang/Enum;");
mw.visitJumpInsn(GOTO, enumStore_);
mw.visitLabel(enumNumErr_);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "scanEnum",
"(L" + JSONLexerBase + ";C)Ljava/lang/Enum;");
mw.visitLabel(enumStore_);
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (Collection.class.isAssignableFrom(fieldClass)) {
Class itemClass = TypeUtils.getCollectionItemClass(fieldType);
if (itemClass == String.class) {
if (fieldClass == List.class || fieldClass == Collections.class || fieldClass == ArrayList.class) {
mw.visitTypeInsn(NEW, type(ArrayList.class));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(ArrayList.class), "", "()V");
} else {
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldClass)));
mw.visitMethodInsn(INVOKESTATIC, type(TypeUtils.class), "createCollection",
"(Ljava/lang/Class;)Ljava/util/Collection;");
}
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanStringArray", "(Ljava/util/Collection;C)V");
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else {
Label notError_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitVarInsn(ISTORE, context.var("token"));
mw.visitVarInsn(ILOAD, context.var("token"));
int token = i == 0 ? JSONToken.LBRACKET : JSONToken.COMMA;
mw.visitLdcInsn(token);
mw.visitJumpInsn(IF_ICMPEQ, notError_);
mw.visitVarInsn(ALOAD, 1); // DefaultJSONParser
mw.visitVarInsn(ILOAD, context.var("token"));
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "throwException", "(I)V");
mw.visitLabel(notError_);
Label quickElse_ = new Label(), quickEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
mw.visitVarInsn(BIPUSH, '[');
mw.visitJumpInsn(IF_ICMPNE, quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.LBRACKET);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.LBRACKET);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
mw.visitLabel(quickEnd_);
_newCollection(mw, fieldClass, i, false);
mw.visitInsn(DUP);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
_getCollectionFieldItemDeser(context, mw, fieldInfo, itemClass);
mw.visitVarInsn(ALOAD, 1);
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(itemClass)));
mw.visitVarInsn(ALOAD, 3);
mw.visitMethodInsn(INVOKESTATIC, type(MyJavaBeanDeserializer.class),
"parseArray",
"(Ljava/util/Collection;" //
+ desc(ObjectDeserializer.class) //
+ "L" + DefaultJSONParser + ";" //
+ "Ljava/lang/reflect/Type;Ljava/lang/Object;)V");
}
} else if (fieldClass.isArray()) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.LBRACKET);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
mw.visitVarInsn(ALOAD, Context.parser);
mw.visitVarInsn(ALOAD, 0);
mw.visitLdcInsn(i);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "getFieldType",
"(I)Ljava/lang/reflect/Type;");
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "parseObject",
"(Ljava/lang/reflect/Type;)Ljava/lang/Object;");
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else {
Label objElseIf_ = new Label();
Label objEndIf_ = new Label();
if (fieldClass == java.util.Date.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
mw.visitLdcInsn((int) '1');
mw.visitJumpInsn(IF_ICMPNE, objElseIf_);
mw.visitTypeInsn(NEW, type(java.util.Date.class));
mw.visitInsn(DUP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(BIPUSH, seperator);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanLong", "(C)J");
mw.visitMethodInsn(INVOKESPECIAL, type(java.util.Date.class), "", "(J)V");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitJumpInsn(GOTO, objEndIf_);
}
mw.visitLabel(objElseIf_);
_quickNextToken(context, mw, JSONToken.LBRACKET);
_deserObject(context, mw, fieldInfo, fieldClass, i);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.RBRACKET);
mw.visitJumpInsn(IF_ICMPEQ, objEndIf_);
// mw.visitInsn(POP);
// mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, context.var("lexer"));
if (!last) {
mw.visitLdcInsn(JSONToken.COMMA);
} else {
mw.visitLdcInsn(JSONToken.RBRACKET);
}
mw.visitMethodInsn(INVOKESPECIAL, //
type(MyJavaBeanDeserializer.class), //
"check", "(" + desc(JSONLexer.class) + "I)V");
mw.visitLabel(objEndIf_);
continue;
}
}
_batchSet(context, mw, false);
Label quickElse_ = new Label(), quickElseIf_ = new Label(), quickElseIfEOI_ = new Label(),
quickEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
mw.visitInsn(DUP);
mw.visitVarInsn(ISTORE, context.var("ch"));
mw.visitVarInsn(BIPUSH, ',');
mw.visitJumpInsn(IF_ICMPNE, quickElseIf_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.COMMA);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElseIf_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitVarInsn(BIPUSH, ']');
mw.visitJumpInsn(IF_ICMPNE, quickElseIfEOI_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.RBRACKET);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElseIfEOI_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitVarInsn(BIPUSH, (char) JSONLexer.EOI);
mw.visitJumpInsn(IF_ICMPNE, quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.EOF);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.COMMA);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
mw.visitLabel(quickEnd_);
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitInsn(ARETURN);
mw.visitMaxs(5, context.variantIndex);
mw.visitEnd();
}
private void _deserialze(ClassWriter cw, Context context) {
if (context.fieldInfoList.length == 0) {
return;
}
for (FieldInfo fieldInfo : context.fieldInfoList) {
Class fieldClass = fieldInfo.fieldClass;
Type fieldType = fieldInfo.fieldType;
if (fieldClass == char.class) {
return;
}
if (Collection.class.isAssignableFrom(fieldClass)) {
if (fieldType instanceof ParameterizedType) {
Type itemType = ((ParameterizedType) fieldType).getActualTypeArguments()[0];
if (itemType instanceof Class) {
continue;
} else {
return;
}
} else {
return;
}
}
}
JavaBeanInfo beanInfo = context.beanInfo;
context.fieldInfoList = beanInfo.sortedFields;
MethodVisitor mw = new MethodWriter(cw, ACC_PUBLIC, "deserialze",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;I)Ljava/lang/Object;",
null, null);
Label reset_ = new Label();
Label super_ = new Label();
Label return_ = new Label();
Label end_ = new Label();
defineVarLexer(context, mw);
{
Label next_ = new Label();
// isSupportArrayToBean
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.LBRACKET);
mw.visitJumpInsn(IF_ICMPNE, next_);
if ((beanInfo.parserFeatures & Feature.SupportArrayToBean.mask) == 0) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ILOAD, 4);
mw.visitLdcInsn(Feature.SupportArrayToBean.mask);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "isEnabled", "(II)Z");
mw.visitJumpInsn(IFEQ, next_);
}
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, Context.parser);
mw.visitVarInsn(ALOAD, 2);
mw.visitVarInsn(ALOAD, 3);
mw.visitInsn(ACONST_NULL); //mw.visitVarInsn(ALOAD, 5);
mw.visitMethodInsn(INVOKESPECIAL, //
context.className, //
"deserialzeArrayMapping", //
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
mw.visitInsn(ARETURN);
mw.visitLabel(next_);
// deserialzeArrayMapping
}
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(Feature.SortFeidFastMatch.mask);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "isEnabled", "(I)Z");
mw.visitJumpInsn(IFEQ, super_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(context.clazz.getName());
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanType", "(Ljava/lang/String;)I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.NOT_MATCH);
mw.visitJumpInsn(IF_ICMPEQ, super_);
mw.visitVarInsn(ALOAD, 1); // parser
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getContext", "()" + desc(ParseContext.class));
mw.visitVarInsn(ASTORE, context.var("mark_context"));
// ParseContext context = parser.getContext();
mw.visitInsn(ICONST_0);
mw.visitVarInsn(ISTORE, context.var("matchedCount"));
_createInstance(context, mw);
{
mw.visitVarInsn(ALOAD, 1); // parser
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getContext", "()" + desc(
ParseContext.class));
mw.visitVarInsn(ASTORE, context.var("context"));
mw.visitVarInsn(ALOAD, 1); // parser
mw.visitVarInsn(ALOAD, context.var("context"));
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(ALOAD, 3); // fieldName
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "setContext", //
"(" + desc(ParseContext.class) + "Ljava/lang/Object;Ljava/lang/Object;)"
+ desc(ParseContext.class));
mw.visitVarInsn(ASTORE, context.var("childContext"));
}
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.END);
mw.visitJumpInsn(IF_ICMPEQ, return_);
mw.visitInsn(ICONST_0); // UNKOWN
mw.visitIntInsn(ISTORE, context.var("matchStat"));
int fieldListSize = context.fieldInfoList.length;
for (int i = 0; i < fieldListSize; i += 32) {
mw.visitInsn(ICONST_0);
mw.visitVarInsn(ISTORE, context.var("_asm_flag_" + (i / 32)));
}
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(Feature.InitStringFieldAsEmpty.mask);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "isEnabled", "(I)Z");
mw.visitIntInsn(ISTORE, context.var("initStringFieldAsEmpty"));
// declare and init
for (int i = 0; i < fieldListSize; ++i) {
FieldInfo fieldInfo = context.fieldInfoList[i];
Class fieldClass = fieldInfo.fieldClass;
if (fieldClass == boolean.class //
|| fieldClass == byte.class //
|| fieldClass == short.class //
|| fieldClass == int.class) {
mw.visitInsn(ICONST_0);
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == long.class) {
mw.visitInsn(LCONST_0);
mw.visitVarInsn(LSTORE, context.var(fieldInfo.name + "_asm", 2));
} else if (fieldClass == float.class) {
mw.visitInsn(FCONST_0);
mw.visitVarInsn(FSTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == double.class) {
mw.visitInsn(DCONST_0);
mw.visitVarInsn(DSTORE, context.var(fieldInfo.name + "_asm", 2));
} else {
if (fieldClass == String.class) {
Label flagEnd_ = new Label();
Label flagElse_ = new Label();
mw.visitVarInsn(ILOAD, context.var("initStringFieldAsEmpty"));
mw.visitJumpInsn(IFEQ, flagElse_);
_setFlag(mw, context, i);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "stringDefaultValue", "()Ljava/lang/String;");
mw.visitJumpInsn(GOTO, flagEnd_);
mw.visitLabel(flagElse_);
mw.visitInsn(ACONST_NULL);
mw.visitLabel(flagEnd_);
} else {
mw.visitInsn(ACONST_NULL);
}
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
}
}
for (int i = 0; i < fieldListSize; ++i) {
FieldInfo fieldInfo = context.fieldInfoList[i];
Class fieldClass = fieldInfo.fieldClass;
Type fieldType = fieldInfo.fieldType;
Label notMatch_ = new Label();
if (fieldClass == boolean.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldBoolean", "([C)Z");
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == byte.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldInt", "([C)I");
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == Byte.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldInt", "([C)I");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == short.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldInt", "([C)I");
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == Short.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldInt", "([C)I");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == int.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldInt", "([C)I");
mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == Integer.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldInt", "([C)I");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == long.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldLong", "([C)J");
mw.visitVarInsn(LSTORE, context.var(fieldInfo.name + "_asm", 2));
} else if (fieldClass == Long.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldLong", "([C)J");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == float.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldFloat", "([C)F");
mw.visitVarInsn(FSTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == Float.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldFloat", "([C)F");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == double.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldDouble", "([C)D");
mw.visitVarInsn(DSTORE, context.var(fieldInfo.name + "_asm", 2));
} else if (fieldClass == Double.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldDouble", "([C)D");
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
Label valueNullEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(valueNullEnd_);
} else if (fieldClass == String.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldString", "([C)Ljava/lang/String;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == java.util.Date.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldDate", "([C)Ljava/util/Date;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == java.util.UUID.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldUUID", "([C)Ljava/util/UUID;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == BigDecimal.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldDecimal", "([C)Ljava/math/BigDecimal;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == BigInteger.class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldBigInteger", "([C)Ljava/math/BigInteger;");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == int[].class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldIntArray", "([C)[I");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == float[].class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldFloatArray", "([C)[F");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass == float[][].class) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldFloatArray2", "([C)[[F");
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else if (fieldClass.isEnum()) {
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
_getFieldDeser(context, mw, fieldInfo);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "scanEnum"
, "(L" + JSONLexerBase + ";[C" + desc(ObjectDeserializer.class) + ")Ljava/lang/Enum;");
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
// } else if (fieldClass.isEnum()) {
// mw.visitVarInsn(ALOAD, context.var("lexer"));
// mw.visitVarInsn(ALOAD, 0);
// mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
// Label enumNull_ = new Label();
// mw.visitInsn(ACONST_NULL);
// mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
// mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
//
// mw.visitVarInsn(ALOAD, 1);
//
// mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getSymbolTable", "()" + desc(SymbolTable.class));
//
// mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldSymbol",
// "([C" + desc(SymbolTable.class) + ")Ljava/lang/String;");
// mw.visitInsn(DUP);
// mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm_enumName"));
//
// mw.visitJumpInsn(IFNULL, enumNull_);
//
// mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm_enumName"));
// mw.visitMethodInsn(INVOKEVIRTUAL, type(String.class), "length", "()I");
// mw.visitJumpInsn(IFEQ, enumNull_);
//
// mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm_enumName"));
// mw.visitMethodInsn(INVOKESTATIC, type(fieldClass), "valueOf",
// "(Ljava/lang/String;)" + desc(fieldClass));
// mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
// mw.visitLabel(enumNull_);
} else if (Collection.class.isAssignableFrom(fieldClass)) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
Class itemClass = TypeUtils.getCollectionItemClass(fieldType);
if (itemClass == String.class) {
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldClass))); // cast
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFieldStringArray",
"([CLjava/lang/Class;)" + desc(Collection.class));
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
} else {
_deserialze_list_obj(context, mw, reset_, fieldInfo, fieldClass, itemClass, i);
if (i == fieldListSize - 1) {
_deserialize_endCheck(context, mw, reset_);
}
continue;
}
} else {
_deserialze_obj(context, mw, reset_, fieldInfo, fieldClass, i);
if (i == fieldListSize - 1) {
_deserialize_endCheck(context, mw, reset_);
}
continue;
}
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
Label flag_ = new Label();
// mw.visitInsn(DUP);
mw.visitJumpInsn(IFLE, flag_);
_setFlag(mw, context, i);
mw.visitLabel(flag_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitInsn(DUP);
mw.visitVarInsn(ISTORE, context.var("matchStat"));
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.NOT_MATCH);
mw.visitJumpInsn(IF_ICMPEQ, reset_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitJumpInsn(IFLE, notMatch_);
// increment matchedCount
mw.visitVarInsn(ILOAD, context.var("matchedCount"));
mw.visitInsn(ICONST_1);
mw.visitInsn(IADD);
mw.visitVarInsn(ISTORE, context.var("matchedCount"));
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.END);
mw.visitJumpInsn(IF_ICMPEQ, end_);
mw.visitLabel(notMatch_);
if (i == fieldListSize - 1) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.END);
mw.visitJumpInsn(IF_ICMPNE, reset_);
}
} // endFor
mw.visitLabel(end_);
if (!context.clazz.isInterface() && !Modifier.isAbstract(context.clazz.getModifiers())) {
_batchSet(context, mw);
}
mw.visitLabel(return_);
_setContext(context, mw);
mw.visitVarInsn(ALOAD, context.var("instance"));
Method buildMethod = context.beanInfo.buildMethod;
if (buildMethod != null) {
mw.visitMethodInsn(INVOKEVIRTUAL, type(context.getInstClass()), buildMethod.getName(),
"()" + desc(buildMethod.getReturnType()));
}
mw.visitInsn(ARETURN);
mw.visitLabel(reset_);
_batchSet(context, mw);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, 2);
mw.visitVarInsn(ALOAD, 3);
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(ILOAD, 4);
int flagSize = (fieldListSize / 32);
if (fieldListSize != 0 && (fieldListSize % 32) != 0) {
flagSize += 1;
}
if (flagSize == 1) {
mw.visitInsn(ICONST_1);
} else {
mw.visitIntInsn(BIPUSH, flagSize);
}
mw.visitIntInsn(NEWARRAY, T_INT);
for (int i = 0; i < flagSize; ++i) {
mw.visitInsn(DUP);
if (i == 0) {
mw.visitInsn(ICONST_0);
} else if (i == 1) {
mw.visitInsn(ICONST_1);
} else {
mw.visitIntInsn(BIPUSH, i);
}
mw.visitVarInsn(ILOAD, context.var("_asm_flag_" + i));
mw.visitInsn(IASTORE);
}
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class),
"parseRest", "(L" + DefaultJSONParser
+ ";Ljava/lang/reflect/Type;Ljava/lang/Object;Ljava/lang/Object;I[I)Ljava/lang/Object;");
mw.visitTypeInsn(CHECKCAST, type(context.clazz)); // cast
mw.visitInsn(ARETURN);
mw.visitLabel(super_);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, 2);
mw.visitVarInsn(ALOAD, 3);
mw.visitVarInsn(ILOAD, 4);
mw.visitMethodInsn(INVOKESPECIAL, type(MyJavaBeanDeserializer.class), //
"deserialze", //
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;I)Ljava/lang/Object;");
mw.visitInsn(ARETURN);
mw.visitMaxs(10, context.variantIndex);
mw.visitEnd();
}
private void defineVarLexer(Context context, MethodVisitor mw) {
mw.visitVarInsn(ALOAD, 1);
mw.visitFieldInsn(GETFIELD, DefaultJSONParser, "lexer", desc(JSONLexer.class));
mw.visitTypeInsn(CHECKCAST, JSONLexerBase); // cast
mw.visitVarInsn(ASTORE, context.var("lexer"));
}
private void _createInstance(Context context, MethodVisitor mw) {
JavaBeanInfo beanInfo = context.beanInfo;
Constructor defaultConstructor = beanInfo.defaultConstructor;
if (Modifier.isPublic(defaultConstructor.getModifiers())) {
mw.visitTypeInsn(NEW, type(context.getInstClass()));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(defaultConstructor.getDeclaringClass()), "", "()V");
mw.visitVarInsn(ASTORE, context.var("instance"));
} else {
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, type(MyJavaBeanDeserializer.class), "clazz", "Ljava/lang/Class;");
mw.visitMethodInsn(INVOKESPECIAL, type(MyJavaBeanDeserializer.class), "createInstance",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;)Ljava/lang/Object;");
mw.visitTypeInsn(CHECKCAST, type(context.getInstClass())); // cast
mw.visitVarInsn(ASTORE, context.var("instance"));
}
}
private void _batchSet(Context context, MethodVisitor mw) {
_batchSet(context, mw, true);
}
private void _batchSet(Context context, MethodVisitor mw, boolean flag) {
for (int i = 0, size = context.fieldInfoList.length; i < size; ++i) {
Label notSet_ = new Label();
if (flag) {
_isFlag(mw, context, i, notSet_);
}
FieldInfo fieldInfo = context.fieldInfoList[i];
_loadAndSet(context, mw, fieldInfo);
if (flag) {
mw.visitLabel(notSet_);
}
}
}
private void _loadAndSet(Context context, MethodVisitor mw, FieldInfo fieldInfo) {
Class fieldClass = fieldInfo.fieldClass;
Type fieldType = fieldInfo.fieldType;
if (fieldClass == boolean.class) {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(ILOAD, context.var(fieldInfo.name + "_asm"));
_set(context, mw, fieldInfo);
} else if (fieldClass == byte.class //
|| fieldClass == short.class //
|| fieldClass == int.class //
|| fieldClass == char.class) {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(ILOAD, context.var(fieldInfo.name + "_asm"));
_set(context, mw, fieldInfo);
} else if (fieldClass == long.class) {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(LLOAD, context.var(fieldInfo.name + "_asm", 2));
if (fieldInfo.method != null) {
mw.visitMethodInsn(INVOKEVIRTUAL, type(context.getInstClass()), fieldInfo.method.getName(),
desc(fieldInfo.method));
if (!fieldInfo.method.getReturnType().equals(Void.TYPE)) {
mw.visitInsn(POP);
}
} else {
mw.visitFieldInsn(PUTFIELD, type(fieldInfo.declaringClass), fieldInfo.field.getName(),
desc(fieldInfo.fieldClass));
}
} else if (fieldClass == float.class) {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(FLOAD, context.var(fieldInfo.name + "_asm"));
_set(context, mw, fieldInfo);
} else if (fieldClass == double.class) {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(DLOAD, context.var(fieldInfo.name + "_asm", 2));
_set(context, mw, fieldInfo);
} else if (fieldClass == String.class) {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
_set(context, mw, fieldInfo);
} else if (fieldClass.isEnum()) {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
_set(context, mw, fieldInfo);
} else if (Collection.class.isAssignableFrom(fieldClass)) {
mw.visitVarInsn(ALOAD, context.var("instance"));
Type itemType = TypeUtils.getCollectionItemClass(fieldType);
if (itemType == String.class) {
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
} else {
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
}
_set(context, mw, fieldInfo);
} else {
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
_set(context, mw, fieldInfo);
}
}
private void _set(Context context, MethodVisitor mw, FieldInfo fieldInfo) {
Method method = fieldInfo.method;
if (method != null) {
Class declaringClass = method.getDeclaringClass();
mw.visitMethodInsn(declaringClass.isInterface() ? INVOKEINTERFACE : INVOKEVIRTUAL, type(fieldInfo.declaringClass), method.getName(), desc(method));
if (!fieldInfo.method.getReturnType().equals(Void.TYPE)) {
mw.visitInsn(POP);
}
} else {
mw.visitFieldInsn(PUTFIELD, type(fieldInfo.declaringClass), fieldInfo.field.getName(),
desc(fieldInfo.fieldClass));
}
}
private void _setContext(Context context, MethodVisitor mw) {
mw.visitVarInsn(ALOAD, 1); // parser
mw.visitVarInsn(ALOAD, context.var("context"));
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "setContext", "(" + desc(ParseContext.class) + ")V");
Label endIf_ = new Label();
mw.visitVarInsn(ALOAD, context.var("childContext"));
mw.visitJumpInsn(IFNULL, endIf_);
mw.visitVarInsn(ALOAD, context.var("childContext"));
mw.visitVarInsn(ALOAD, context.var("instance"));
mw.visitFieldInsn(PUTFIELD, type(ParseContext.class), "object", "Ljava/lang/Object;");
mw.visitLabel(endIf_);
}
private void _deserialize_endCheck(Context context, MethodVisitor mw, Label reset_) {
mw.visitIntInsn(ILOAD, context.var("matchedCount"));
mw.visitJumpInsn(IFLE, reset_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.RBRACE);
mw.visitJumpInsn(IF_ICMPNE, reset_);
// mw.visitLabel(nextToken_);
_quickNextTokenComma(context, mw);
}
private void _deserialze_list_obj(Context context, MethodVisitor mw, Label reset_, FieldInfo fieldInfo,
Class fieldClass, Class itemType, int i) {
Label _end_if = new Label();
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "matchField", "([C)Z");
mw.visitJumpInsn(IFEQ, _end_if);
_setFlag(mw, context, i);
Label valueNotNull_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.NULL);
mw.visitJumpInsn(IF_ICMPNE, valueNotNull_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.COMMA);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
mw.visitJumpInsn(GOTO, _end_if);
// loop_end_
mw.visitLabel(valueNotNull_);
Label storeCollection_ = new Label(), endSet_ = new Label(), lbacketNormal_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.SET);
mw.visitJumpInsn(IF_ICMPNE, endSet_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.LBRACKET);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
_newCollection(mw, fieldClass, i, true);
mw.visitJumpInsn(GOTO, storeCollection_);
mw.visitLabel(endSet_);
// if (lexer.token() != JSONToken.LBRACKET) reset
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.LBRACKET);
mw.visitJumpInsn(IF_ICMPEQ, lbacketNormal_);
// if (lexer.token() == JSONToken.LBRACE) reset
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.LBRACE);
mw.visitJumpInsn(IF_ICMPNE, reset_);
_newCollection(mw, fieldClass, i, false);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
_getCollectionFieldItemDeser(context, mw, fieldInfo, itemType);
mw.visitVarInsn(ALOAD, 1);
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(itemType)));
mw.visitInsn(ICONST_0);
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
mw.visitMethodInsn(INVOKEINTERFACE, type(ObjectDeserializer.class), "deserialze",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;)Ljava/lang/Object;");
mw.visitVarInsn(ASTORE, context.var("list_item_value"));
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
mw.visitVarInsn(ALOAD, context.var("list_item_value"));
if (fieldClass.isInterface()) {
mw.visitMethodInsn(INVOKEINTERFACE, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
}
mw.visitInsn(POP);
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(lbacketNormal_);
_newCollection(mw, fieldClass, i, false);
mw.visitLabel(storeCollection_);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
boolean isPrimitive = ParserConfig.isPrimitive2(fieldInfo.fieldClass);
_getCollectionFieldItemDeser(context, mw, fieldInfo, itemType);
if (isPrimitive) {
mw.visitMethodInsn(INVOKEINTERFACE, type(ObjectDeserializer.class), "getFastMatchToken", "()I");
mw.visitVarInsn(ISTORE, context.var("fastMatchToken"));
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ILOAD, context.var("fastMatchToken"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
} else {
mw.visitInsn(POP);
mw.visitLdcInsn(JSONToken.LBRACE);
mw.visitVarInsn(ISTORE, context.var("fastMatchToken"));
_quickNextToken(context, mw, JSONToken.LBRACE);
}
{ // setContext
mw.visitVarInsn(ALOAD, 1);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getContext", "()" + desc(
ParseContext.class));
mw.visitVarInsn(ASTORE, context.var("listContext"));
mw.visitVarInsn(ALOAD, 1); // parser
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
mw.visitLdcInsn(fieldInfo.name);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "setContext",
"(Ljava/lang/Object;Ljava/lang/Object;)" + desc(ParseContext.class));
mw.visitInsn(POP);
}
Label loop_ = new Label();
Label loop_end_ = new Label();
// for (;;) {
mw.visitInsn(ICONST_0);
mw.visitVarInsn(ISTORE, context.var("i"));
mw.visitLabel(loop_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.RBRACKET);
mw.visitJumpInsn(IF_ICMPEQ, loop_end_);
// Object value = itemDeserializer.deserialze(parser, null);
// array.add(value);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_list_item_deser__",
desc(ObjectDeserializer.class));
mw.visitVarInsn(ALOAD, 1);
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(itemType)));
mw.visitVarInsn(ILOAD, context.var("i"));
mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
mw.visitMethodInsn(INVOKEINTERFACE, type(ObjectDeserializer.class), "deserialze",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;)Ljava/lang/Object;");
mw.visitVarInsn(ASTORE, context.var("list_item_value"));
mw.visitIincInsn(context.var("i"), 1);
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
mw.visitVarInsn(ALOAD, context.var("list_item_value"));
if (fieldClass.isInterface()) {
mw.visitMethodInsn(INVOKEINTERFACE, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
}
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "checkListResolve", "(Ljava/util/Collection;)V");
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.COMMA);
mw.visitJumpInsn(IF_ICMPNE, loop_);
if (isPrimitive) {
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ILOAD, context.var("fastMatchToken"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
} else {
_quickNextToken(context, mw, JSONToken.LBRACE);
}
mw.visitJumpInsn(GOTO, loop_);
mw.visitLabel(loop_end_);
// mw.visitVarInsn(ASTORE, context.var("context"));
// parser.setContext(context);
{ // setContext
mw.visitVarInsn(ALOAD, 1); // parser
mw.visitVarInsn(ALOAD, context.var("listContext"));
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "setContext", "(" + desc(
ParseContext.class) + ")V");
}
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
mw.visitLdcInsn(JSONToken.RBRACKET);
mw.visitJumpInsn(IF_ICMPNE, reset_);
_quickNextTokenComma(context, mw);
// lexer.nextToken(JSONToken.COMMA);
mw.visitLabel(_end_if);
}
private void _quickNextToken(Context context, MethodVisitor mw, int token) {
Label quickElse_ = new Label(), quickEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
if (token == JSONToken.LBRACE) {
mw.visitVarInsn(BIPUSH, '{');
} else if (token == JSONToken.LBRACKET) {
mw.visitVarInsn(BIPUSH, '[');
} else {
throw new IllegalStateException();
}
mw.visitJumpInsn(IF_ICMPNE, quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(token);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(token);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
mw.visitLabel(quickEnd_);
}
private void _quickNextTokenComma(Context context, MethodVisitor mw) {
Label quickElse_ = new Label(), quickElseIf0_ = new Label(), quickElseIf1_ = new Label(), quickElseIf2_ = new Label(), quickEnd_ = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
mw.visitInsn(DUP);
mw.visitVarInsn(ISTORE, context.var("ch"));
mw.visitVarInsn(BIPUSH, ',');
mw.visitJumpInsn(IF_ICMPNE, quickElseIf0_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.COMMA);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElseIf0_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitVarInsn(BIPUSH, '}');
mw.visitJumpInsn(IF_ICMPNE, quickElseIf1_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.RBRACE);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElseIf1_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitVarInsn(BIPUSH, ']');
mw.visitJumpInsn(IF_ICMPNE, quickElseIf2_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
mw.visitInsn(POP);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.RBRACKET);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElseIf2_);
mw.visitVarInsn(ILOAD, context.var("ch"));
mw.visitVarInsn(BIPUSH, JSONLexer.EOI);
mw.visitJumpInsn(IF_ICMPNE, quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitLdcInsn(JSONToken.EOF);
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
mw.visitJumpInsn(GOTO, quickEnd_);
mw.visitLabel(quickElse_);
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "()V");
mw.visitLabel(quickEnd_);
}
private void _getCollectionFieldItemDeser(Context context, MethodVisitor mw, FieldInfo fieldInfo,
Class itemType) {
Label notNull_ = new Label();
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_list_item_deser__",
desc(ObjectDeserializer.class));
mw.visitJumpInsn(IFNONNULL, notNull_);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, 1);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getConfig", "()" + desc(ParserConfig.class));
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(itemType)));
mw.visitMethodInsn(INVOKEVIRTUAL, type(ParserConfig.class), "getDeserializer",
"(Ljava/lang/reflect/Type;)" + desc(ObjectDeserializer.class));
mw.visitFieldInsn(PUTFIELD, context.className, fieldInfo.name + "_asm_list_item_deser__",
desc(ObjectDeserializer.class));
mw.visitLabel(notNull_);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_list_item_deser__",
desc(ObjectDeserializer.class));
}
private void _newCollection(MethodVisitor mw, Class fieldClass, int i, boolean set) {
if (fieldClass.isAssignableFrom(ArrayList.class) && !set) {
mw.visitTypeInsn(NEW, "java/util/ArrayList");
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, "java/util/ArrayList", "", "()V");
} else if (fieldClass.isAssignableFrom(LinkedList.class) && !set) {
mw.visitTypeInsn(NEW, type(LinkedList.class));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(LinkedList.class), "", "()V");
} else if (fieldClass.isAssignableFrom(HashSet.class)) {
mw.visitTypeInsn(NEW, type(HashSet.class));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(HashSet.class), "", "()V");
} else if (fieldClass.isAssignableFrom(TreeSet.class)) {
mw.visitTypeInsn(NEW, type(TreeSet.class));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(TreeSet.class), "", "()V");
} else if (fieldClass.isAssignableFrom(LinkedHashSet.class)) {
mw.visitTypeInsn(NEW, type(LinkedHashSet.class));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(LinkedHashSet.class), "", "()V");
} else if (set) {
mw.visitTypeInsn(NEW, type(HashSet.class));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(HashSet.class), "", "()V");
} else {
mw.visitVarInsn(ALOAD, 0);
mw.visitLdcInsn(i);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "getFieldType",
"(I)Ljava/lang/reflect/Type;");
mw.visitMethodInsn(INVOKESTATIC, type(TypeUtils.class), "createCollection",
"(Ljava/lang/reflect/Type;)Ljava/util/Collection;");
}
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
}
private void _deserialze_obj(Context context, MethodVisitor mw, Label reset_, FieldInfo fieldInfo,
Class fieldClass, int i) {
Label matched_ = new Label();
Label _end_if = new Label();
mw.visitVarInsn(ALOAD, context.var("lexer"));
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "matchField", "([C)Z");
mw.visitJumpInsn(IFNE, matched_);
mw.visitInsn(ACONST_NULL);
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(matched_);
_setFlag(mw, context, i);
// increment matchedCount
mw.visitVarInsn(ILOAD, context.var("matchedCount"));
mw.visitInsn(ICONST_1);
mw.visitInsn(IADD);
mw.visitVarInsn(ISTORE, context.var("matchedCount"));
_deserObject(context, mw, fieldInfo, fieldClass, i);
mw.visitVarInsn(ALOAD, 1);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getResolveStatus", "()I");
mw.visitLdcInsn(com.alibaba.fastjson.parser.DefaultJSONParser.NeedToResolve);
mw.visitJumpInsn(IF_ICMPNE, _end_if);
mw.visitVarInsn(ALOAD, 1);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getLastResolveTask", "()" + desc(
ResolveTask.class));
mw.visitVarInsn(ASTORE, context.var("resolveTask"));
mw.visitVarInsn(ALOAD, context.var("resolveTask"));
mw.visitVarInsn(ALOAD, 1);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getContext", "()" + desc(ParseContext.class));
mw.visitFieldInsn(PUTFIELD, type(ResolveTask.class), "ownerContext", desc(ParseContext.class));
mw.visitVarInsn(ALOAD, context.var("resolveTask"));
mw.visitVarInsn(ALOAD, 0);
mw.visitLdcInsn(fieldInfo.name);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "getFieldDeserializer",
"(Ljava/lang/String;)" + desc(FieldDeserializer.class));
mw.visitFieldInsn(PUTFIELD, type(ResolveTask.class), "fieldDeserializer", desc(
FieldDeserializer.class));
mw.visitVarInsn(ALOAD, 1);
mw.visitLdcInsn(com.alibaba.fastjson.parser.DefaultJSONParser.NONE);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "setResolveStatus", "(I)V");
mw.visitLabel(_end_if);
}
private void _deserObject(Context context, MethodVisitor mw, FieldInfo fieldInfo, Class fieldClass, int i) {
_getFieldDeser(context, mw, fieldInfo);
Label instanceOfElse_ = new Label(), instanceOfEnd_ = new Label();
if ((fieldInfo.parserFeatures & Feature.SupportArrayToBean.mask) != 0) {
mw.visitInsn(DUP);
mw.visitTypeInsn(INSTANCEOF, type(MyJavaBeanDeserializer.class));
mw.visitJumpInsn(IFEQ, instanceOfElse_);
mw.visitTypeInsn(CHECKCAST, type(MyJavaBeanDeserializer.class)); // cast
mw.visitVarInsn(ALOAD, 1);
if (fieldInfo.fieldType instanceof Class) {
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldInfo.fieldClass)));
} else {
mw.visitVarInsn(ALOAD, 0);
mw.visitLdcInsn(i);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "getFieldType",
"(I)Ljava/lang/reflect/Type;");
}
mw.visitLdcInsn(fieldInfo.name);
mw.visitLdcInsn(fieldInfo.parserFeatures);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "deserialze",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;I)Ljava/lang/Object;");
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitJumpInsn(GOTO, instanceOfEnd_);
mw.visitLabel(instanceOfElse_);
}
mw.visitVarInsn(ALOAD, 1);
if (fieldInfo.fieldType instanceof Class) {
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldInfo.fieldClass)));
} else {
mw.visitVarInsn(ALOAD, 0);
mw.visitLdcInsn(i);
mw.visitMethodInsn(INVOKEVIRTUAL, type(MyJavaBeanDeserializer.class), "getFieldType",
"(I)Ljava/lang/reflect/Type;");
}
mw.visitLdcInsn(fieldInfo.name);
mw.visitMethodInsn(INVOKEINTERFACE, type(ObjectDeserializer.class), "deserialze",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;)Ljava/lang/Object;");
mw.visitTypeInsn(CHECKCAST, type(fieldClass)); // cast
mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
mw.visitLabel(instanceOfEnd_);
}
private void _getFieldDeser(Context context, MethodVisitor mw, FieldInfo fieldInfo) {
Label notNull_ = new Label();
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_deser__", desc(
ObjectDeserializer.class));
mw.visitJumpInsn(IFNONNULL, notNull_);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, 1);
mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getConfig", "()" + desc(ParserConfig.class));
mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldInfo.fieldClass)));
mw.visitMethodInsn(INVOKEVIRTUAL, type(ParserConfig.class), "getDeserializer",
"(Ljava/lang/reflect/Type;)" + desc(ObjectDeserializer.class));
mw.visitFieldInsn(PUTFIELD, context.className, fieldInfo.name + "_asm_deser__", desc(
ObjectDeserializer.class));
mw.visitLabel(notNull_);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_deser__", desc(
ObjectDeserializer.class));
}
static class Context {
static final int parser = 1;
static final int type = 2;
static final int fieldName = 3;
private int variantIndex = -1;
private final Map variants = new HashMap();
private final Class clazz;
private final JavaBeanInfo beanInfo;
private final String className;
private FieldInfo[] fieldInfoList;
public Context(String className, ParserConfig config, JavaBeanInfo beanInfo, int initVariantIndex){
this.className = className;
this.clazz = beanInfo.clazz;
this.variantIndex = initVariantIndex;
this.beanInfo = beanInfo;
fieldInfoList = beanInfo.fields;
}
public Class getInstClass() {
Class instClass = beanInfo.builderClass;
if (instClass == null) {
instClass = clazz;
}
return instClass;
}
public int var(String name, int increment) {
Integer i = variants.get(name);
if (i == null) {
variants.put(name, variantIndex);
variantIndex += increment;
}
i = variants.get(name);
return i.intValue();
}
public int var(String name) {
Integer i = variants.get(name);
if (i == null) {
variants.put(name, variantIndex++);
}
i = variants.get(name);
return i.intValue();
}
}
private void _init(ClassWriter cw, Context context) {
for (int i = 0, size = context.fieldInfoList.length; i < size; ++i) {
FieldInfo fieldInfo = context.fieldInfoList[i];
FieldWriter fw = new FieldWriter(cw, ACC_PUBLIC, fieldInfo.name + "_asm_prefix__", "[C");
fw.visitEnd();
}
for (int i = 0, size = context.fieldInfoList.length; i < size; ++i) {
FieldInfo fieldInfo = context.fieldInfoList[i];
Class fieldClass = fieldInfo.fieldClass;
if (fieldClass.isPrimitive()) {
continue;
}
if (Collection.class.isAssignableFrom(fieldClass)) {
FieldWriter fw = new FieldWriter(cw, ACC_PUBLIC, fieldInfo.name + "_asm_list_item_deser__",
desc(ObjectDeserializer.class));
fw.visitEnd();
} else {
FieldWriter fw = new FieldWriter(cw, ACC_PUBLIC, fieldInfo.name + "_asm_deser__",
desc(ObjectDeserializer.class));
fw.visitEnd();
}
}
MethodVisitor mw = new MethodWriter(cw, ACC_PUBLIC, "",
"(" + desc(ParserConfig.class) + desc(JavaBeanInfo.class) + ")V", null, null);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, 2);
mw.visitMethodInsn(INVOKESPECIAL, type(MyJavaBeanDeserializer.class), "",
"(" + desc(ParserConfig.class) + desc(JavaBeanInfo.class) + ")V");
// init fieldNamePrefix
for (int i = 0, size = context.fieldInfoList.length; i < size; ++i) {
FieldInfo fieldInfo = context.fieldInfoList[i];
mw.visitVarInsn(ALOAD, 0);
mw.visitLdcInsn("\"" + fieldInfo.name + "\":"); // public char[] toCharArray()
mw.visitMethodInsn(INVOKEVIRTUAL, "java/lang/String", "toCharArray", "()[C");
mw.visitFieldInsn(PUTFIELD, context.className, fieldInfo.name + "_asm_prefix__", "[C");
}
mw.visitInsn(RETURN);
mw.visitMaxs(4, 4);
mw.visitEnd();
}
private void _createInstance(ClassWriter cw, Context context) {
Constructor defaultConstructor = context.beanInfo.defaultConstructor;
if (!Modifier.isPublic(defaultConstructor.getModifiers())) {
return;
}
MethodVisitor mw = new MethodWriter(cw, ACC_PUBLIC, "createInstance",
"(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;)Ljava/lang/Object;",
null, null);
mw.visitTypeInsn(NEW, type(context.getInstClass()));
mw.visitInsn(DUP);
mw.visitMethodInsn(INVOKESPECIAL, type(context.getInstClass()), "", "()V");
mw.visitInsn(ARETURN);
mw.visitMaxs(3, 3);
mw.visitEnd();
}
}
