jruby/src/org/jruby/ast/DefnNode.java at serializable_procs · MSNexploder/jruby · GitHub

History

138 lines (116 loc) · 5.42 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

***** BEGIN LICENSE BLOCK *****

* Version: CPL 1.0/GPL 2.0/LGPL 2.1

* The contents of this file are subject to the Common Public

* License Version 1.0 (the "License"); you may not use this file

* except in compliance with the License. You may obtain a copy of

* the License at http://www.eclipse.org/legal/cpl-v10.html

* Software distributed under the License is distributed on an "AS

* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or

* implied. See the License for the specific language governing

* rights and limitations under the License.

* Alternatively, the contents of this file may be used under the terms of

* either of the GNU General Public License Version 2 or later (the "GPL"),

* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

* in which case the provisions of the GPL or the LGPL are applicable instead

* of those above. If you wish to allow use of your version of this file only

* under the terms of either the GPL or the LGPL, and not to allow others to

* use your version of this file under the terms of the CPL, indicate your

* decision by deleting the provisions above and replace them with the notice

* and other provisions required by the GPL or the LGPL. If you do not delete

* the provisions above, a recipient may use your version of this file under

* the terms of any one of the CPL, the GPL or the LGPL.

***** END LICENSE BLOCK *****/

package org.jruby.ast;

import java.util.List;

import org.jruby.MetaClass;

import org.jruby.Ruby;

import org.jruby.RubyModule;

import org.jruby.ast.types.INameNode;

import org.jruby.ast.visitor.NodeVisitor;

import org.jruby.common.IRubyWarnings.ID;

import org.jruby.internal.runtime.methods.DynamicMethod;

import org.jruby.internal.runtime.methods.DynamicMethodFactory;

import org.jruby.internal.runtime.methods.WrapperMethod;

import org.jruby.lexer.yacc.ISourcePosition;

import org.jruby.parser.StaticScope;

import org.jruby.runtime.Block;

import org.jruby.runtime.ThreadContext;

import org.jruby.runtime.Visibility;

import org.jruby.runtime.builtin.IRubyObject;

/**

* method definition node.

public class DefnNode extends MethodDefNode implements INameNode {

private static final long serialVersionUID = 0L;

public DefnNode() {

super();

}

public DefnNode(ISourcePosition position, ArgumentNode nameNode, ArgsNode argsNode,

StaticScope scope, Node bodyNode) {

super(position, nameNode, argsNode, scope, bodyNode);

}

public NodeType getNodeType() {

return NodeType.DEFNNODE;

}

public Object accept(NodeVisitor iVisitor) {

return iVisitor.visitDefnNode(this);

}

/**

* Get the name of this method

@Override

public String getName() {

return nameNode.getName();

}

public List<Node> childNodes() {

return Node.createList(nameNode, argsNode, bodyNode);

}

@Override

public IRubyObject interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {

RubyModule containingClass = context.getRubyClass();

if (containingClass == runtime.getDummy()) {

throw runtime.newTypeError("no class/module to add method");

}

String name = getName();

if (containingClass == runtime.getObject() && name == "initialize") {

runtime.getWarnings().warn(ID.REDEFINING_DANGEROUS, "redefining Object#initialize may cause infinite loop", "Object#initialize");

}

if (name == "__id__" || name == "__send__") {

runtime.getWarnings().warn(ID.REDEFINING_DANGEROUS, "redefining `" + name + "' may cause serious problem", name);

}

Visibility visibility = context.getCurrentVisibility();

if (name == "initialize" || name == "initialize_copy" || visibility == Visibility.MODULE_FUNCTION) {

visibility = Visibility.PRIVATE;

}

scope.determineModule();

// Make a nil node if no body. Notice this is not part of AST.

Node body = bodyNode == null ? new NilNode(getPosition()) : bodyNode;

DynamicMethod newMethod = DynamicMethodFactory.newDefaultMethod(

runtime, containingClass, name, scope, body, argsNode,

visibility, getPosition());

containingClass.addMethod(name, newMethod);

if (context.getCurrentVisibility() == Visibility.MODULE_FUNCTION) {

containingClass.getSingletonClass().addMethod(name,

new WrapperMethod(containingClass.getSingletonClass(), newMethod, Visibility.PUBLIC));

containingClass.callMethod(context, "singleton_method_added", runtime.fastNewSymbol(name));

}

// 'class << state.self' and 'class << obj' uses defn as opposed to defs

if (containingClass.isSingleton()) {

((MetaClass) containingClass).getAttached().callMethod(context,

"singleton_method_added", runtime.fastNewSymbol(name));

} else {

containingClass.callMethod(context, "method_added", runtime.fastNewSymbol(name));

}

return runtime.getNil();

}

jruby/src/org/jruby/ast/DefnNode.java at serializable_procs · MSNexploder/jruby · GitHub

Expand file tree

Breadcrumbs

DefnNode.java

Latest commit

History

Breadcrumbs

DefnNode.java

File metadata and controls