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ast.py
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ast.py
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##
# Copyright (c) 2008-2011, 2014 Sprymix Inc.
# All rights reserved.
#
# See LICENSE for details.
##
from metamagic.utils import ast
class Base(ast.AST): __fields = [('position', tuple, None)]
class Expression(Base): pass
class StatementNode(Base):
__fields = ['statement']
class VarDeclarationNode(Base):
__fields = [('vars', list)]
class VarInitNode(Base):
__fields = ['name', 'value']
# expressions
#
class LiteralNode(Base):
__fields = ['value']
class StringLiteralNode(LiteralNode): pass
class NumericLiteralNode(LiteralNode): pass
class BooleanLiteralNode(LiteralNode): pass
class ArrayLiteralNode(Base):
__fields = [('array', list)]
class ObjectLiteralNode(Base):
__fields = [('properties', list)]
class RegExpNode(Base):
__fields = ['regexp']
class IDNode(Base):
__fields = ['name']
class ThisNode(Base): pass
class NullNode(Base): pass
class ExpressionListNode(Base):
__fields = [('expressions', list)]
class PrefixExpressionNode(Expression):
__fields = ['expression', 'op']
class PostfixExpressionNode(Expression):
__fields = ['expression', 'op']
class BinExpressionNode(Expression):
__fields = ['left', 'op', 'right']
class AssignmentExpressionNode(BinExpressionNode): pass
class DotExpressionNode(Expression):
__fields = ['left', 'right']
class ConditionalExpressionNode(Expression):
__fields = ['condition', 'true', 'false']
class CallNode(Expression):
__fields = ['call', ('arguments', list)]
class NewNode(Expression):
__fields = ['expression', ('arguments', list)]
class SBracketExpressionNode(Expression):
__fields = ['list', 'element']
class DeleteNode(Expression):
__fields = ['expression']
class VoidNode(Expression):
__fields = ['expression']
class TypeOfNode(Expression):
__fields = ['expression']
class InstanceOfNode(Expression):
__fields = ['expression', 'type']
class InNode(Expression):
__fields = ['expression', 'container']
# object property definitions
#
class SimplePropertyNode(Base):
__fields = ['name', 'value']
class GetPropertyNode(Base):
__fields = ['name', 'functionbody']
class SetPropertyNode(Base):
__fields = ['name', 'param', 'functionbody']
# function
#
class FunctionNode(Base):
__fields = ['name', ('param', list), 'body', ('isdeclaration', bool)]
class FatArrowFunctionNode(Base):
__fields = [('param', list), 'body']
class FunctionParameter(Base):
__fields = ['name', 'default', ('rest', bool, False)]
# Statements
#
class SourceElementsNode(Base):
__fields = [('code', list)]
class StatementBlockNode(Base):
__fields = [('statements', list)]
class IfNode(Base):
__fields = ['ifclause', 'thenclause', 'elseclause', ('is_expr', bool, False)]
class DoNode(Base):
__fields = ['statement', 'expression']
class WhileNode(Base):
__fields = ['expression', 'statement']
class ForNode(Base):
__fields = ['part1', 'part2', 'part3', 'statement', ('is_expr', bool, False)]
class ForInNode(Base):
__fields = ['init', 'container', 'statement', ('is_expr', bool, False)]
class ForOfNode(Base):
__fields = ['init', 'container', 'statement', ('is_expr', bool, False)]
class WithNode(Base):
__fields = ['expression', 'statement']
class ContinueNode(Base):
__fields = ['id']
class BreakNode(Base):
__fields = ['id']
class ReturnNode(Base):
__fields = ['expression']
class YieldNode(Base):
__fields = ['expression']
class LabelNode(Base):
__fields = ['id', 'statement']
class SwitchNode(Base):
__fields = ['expression', 'cases']
class CaseNode(Base):
__fields = ['case', 'statements']
class DefaultNode(Base):
__fields = ['statements']
class ThrowNode(Base):
__fields = ['expression']
class TryNode(Base):
__fields = ['tryblock', 'catch', 'finallyblock']
class CatchNode(Base):
__fields = ['catchid', 'catchblock']
class DebuggerNode(Base): pass
#
# Features
#
class LetDeclarationNode(Base):
__fields = [('vars', list)]
class LetExpressionNode(Expression):
__fields = [('vars', list), 'expression']
class LetStatementNode(Base):
__fields = [('vars', list), 'statement']
class CatchIfNode(Base):
__fields = ['catchid', 'condition', 'catchblock']
#!!! seems that syntactically, there's just a generator expression inside
#
class ArrayComprehensionNode(Expression):
__fields = ['generator']
class GeneratorExprNode(Expression):
__fields = ['expr', ('comprehensions', list)]
class AssignmentPropertyList(Base):
__fields = [('properties', list)]
class AssignmentElementList(Base):
__fields = [('elements', list)]
class SpreadElement(Expression):
__fields = ['expression']
class XMLTagNode(Expression):
__fields = ['name', ('attrs', list), ('body', list)]
class XMLAttrNode(Expression):
__fields = ['name', 'value']
class XMLTextNode(Expression):
__fields = ['text']