Examples with ObjectFieldExpr kalang.ast.ObjectFieldExpr used on opensource projects

Example 1 with ObjectFieldExpr

use of kalang.ast.ObjectFieldExpr in project kalang by kasonyang.

the class Ast2Class method visitFieldExpr.

@Override
public Object visitFieldExpr(FieldExpr node) {
    int opc;
    String owner = internalName(node.getField().getFieldNode().getClassNode());
    if (node instanceof ObjectFieldExpr) {
        ExprNode target = ((ObjectFieldExpr) node).getTarget();
        visit(target);
        opc = GETFIELD;
    } else if (node instanceof StaticFieldExpr) {
        opc = GETSTATIC;
    } else {
        throw new UnsupportedOperationException("unsupported field type:" + node);
    }
    md.visitFieldInsn(opc, owner, node.getField().getName(), getTypeDescriptor(node.getType()));
    return null;
}

Example 2 with ObjectFieldExpr

use of kalang.ast.ObjectFieldExpr in project kalang by kasonyang.

the class AstBuilder method visitFieldDecl.

@Override
public Void visitFieldDecl(FieldDeclContext ctx) {
    int fieldModifier = this.parseModifier(ctx.varModifier());
    for (VarDeclContext vd : ctx.varDecl()) {
        ExprNode initExpr;
        if (vd.expression() != null) {
            initExpr = visitExpression(vd.expression());
        } else {
            initExpr = null;
        }
        VarInfo varInfo = varDecl(vd, initExpr == null ? Types.getRootType() : initExpr.getType());
        varInfo.modifier |= fieldModifier;
        FieldNode fieldNode = thisClazz.createField(varInfo.type, varInfo.name, varInfo.modifier);
        // TODO simplify it
        if (initExpr != null) {
            if (AstUtil.isStatic(fieldNode.modifier)) {
                thisClazz.staticInitStmts.add(new ExprStmt(new AssignExpr(new StaticFieldExpr(new ClassReference(thisClazz), fieldNode), initExpr)));
            } else {
                thisClazz.initStmts.add(new ExprStmt(new AssignExpr(new ObjectFieldExpr(new ThisExpr(getThisType()), fieldNode), initExpr)));
            }
        }
    }
    return null;
}

Example 3 with ObjectFieldExpr

use of kalang.ast.ObjectFieldExpr in project kalang by kasonyang.

the class ClassNodeMetaBuilder method visitFieldDecl.

@Override
public Void visitFieldDecl(KalangParser.FieldDeclContext ctx) {
    int fieldModifier = astBuilder.parseModifier(ctx.varModifier());
    for (KalangParser.VarDeclContext vd : ctx.varDecl()) {
        ExprNode initExpr;
        if (vd.expression() != null) {
            initExpr = astBuilder.visitExpression(vd.expression());
        } else {
            initExpr = null;
        }
        AstBuilder.VarInfo varInfo = astBuilder.varDecl(vd, initExpr == null ? Types.getRootType() : initExpr.getType());
        varInfo.modifier |= fieldModifier;
        FieldNode fieldNode = thisClazz.createField(varInfo.type, varInfo.name, varInfo.modifier);
        // TODO simplify it
        if (initExpr != null) {
            if (AstUtil.isStatic(fieldNode.modifier)) {
                thisClazz.staticInitStmts.add(new ExprStmt(new AssignExpr(new StaticFieldExpr(new ClassReference(thisClazz), fieldNode), initExpr)));
            } else {
                thisClazz.initStmts.add(new ExprStmt(new AssignExpr(new ObjectFieldExpr(new ThisExpr(Types.getClassType(thisClazz)), fieldNode), initExpr)));
            }
        }
    }
    return null;
}

Example 4 with ObjectFieldExpr

use of kalang.ast.ObjectFieldExpr in project kalang by kasonyang.

the class AstUtil method createSetter.

public static void createSetter(ClassNode clazz, FieldDescriptor field, int accessModifier) {
    String fn = field.getName();
    String setterName = "set" + NameUtil.firstCharToUpperCase(fn);
    boolean isStatic = isStatic(field.getModifier());
    if (isStatic) {
        accessModifier |= Modifier.STATIC;
    }
    MethodNode setter = clazz.createMethodNode(Types.VOID_TYPE, setterName, accessModifier);
    // setter.offset = field.offset;
    ParameterNode param = setter.createParameter(field.getType(), field.getName());
    BlockStmt body = setter.getBody();
    FieldExpr fe;
    ExprNode paramVal = new ParameterExpr(param);
    ClassReference cr = new ClassReference(clazz);
    if (isStatic) {
        fe = new StaticFieldExpr(cr, field);
    } else {
        fe = new ObjectFieldExpr(new ThisExpr(Types.getClassType(clazz)), field);
    }
    body.statements.add(new ExprStmt(new AssignExpr(fe, paramVal)));
}

Example 5 with ObjectFieldExpr

use of kalang.ast.ObjectFieldExpr in project kalang by kasonyang.

the class AstUtil method createGetter.

public static void createGetter(ClassNode clazz, FieldDescriptor field, int accessModifier) {
    String fn = field.getName();
    String getterName = "get" + NameUtil.firstCharToUpperCase(fn);
    boolean isStatic = isStatic(field.getModifier());
    if (isStatic) {
        accessModifier |= Modifier.STATIC;
    }
    MethodNode getter = clazz.createMethodNode(field.getType(), getterName, accessModifier);
    // getter.offset = field.offset;
    BlockStmt body = getter.getBody();
    FieldExpr fe;
    ClassReference cr = new ClassReference(clazz);
    if (isStatic) {
        fe = new StaticFieldExpr(cr, field);
    } else {
        fe = new ObjectFieldExpr(new ThisExpr(Types.getClassType(clazz)), field);
    }
    body.statements.add(new ReturnStmt(fe));
}