#----------------------------------------------------------------- # ** ATTENTION ** # This code was automatically generated from the file: # _c_ast.cfg # # Do not modify it directly. Modify the configuration file and # run the generator again. # ** ** *** ** ** # # pycparser: c_ast.py # # AST Node classes. # # Copyright (C) 2008-2011, Eli Bendersky # License: BSD #----------------------------------------------------------------- import sys class Node(object): """ Abstract base class for AST nodes. """ def children(self): """ A sequence of all children that are Nodes """ pass def show(self, buf=sys.stdout, offset=0, attrnames=False, showcoord=False): """ Pretty print the Node and all its attributes and children (recursively) to a buffer. file: Open IO buffer into which the Node is printed. offset: Initial offset (amount of leading spaces) attrnames: True if you want to see the attribute names in name=value pairs. False to only see the values. showcoord: Do you want the coordinates of each Node to be displayed. """ lead = ' ' * offset buf.write(lead + self.__class__.__name__+': ') if self.attr_names: if attrnames: nvlist = [(n, getattr(self,n)) for n in self.attr_names] attrstr = ', '.join('%s=%s' % nv for nv in nvlist) else: vlist = [getattr(self, n) for n in self.attr_names] attrstr = ', '.join('%s' % v for v in vlist) buf.write(attrstr) if showcoord: buf.write(' (at %s)' % self.coord) buf.write('\n') for c in self.children(): c.show(buf, offset + 2, attrnames, showcoord) class NodeVisitor(object): """ A base NodeVisitor class for visiting c_ast nodes. Subclass it and define your own visit_XXX methods, where XXX is the class name you want to visit with these methods. For example: class ConstantVisitor(NodeVisitor): def __init__(self): self.values = [] def visit_Constant(self, node): self.values.append(node.value) Creates a list of values of all the constant nodes encountered below the given node. To use it: cv = ConstantVisitor() cv.visit(node) Notes: * generic_visit() will be called for AST nodes for which no visit_XXX method was defined. * The children of nodes for which a visit_XXX was defined will not be visited - if you need this, call generic_visit() on the node. You can use: NodeVisitor.generic_visit(self, node) * Modeled after Python's own AST visiting facilities (the ast module of Python 3.0) """ def visit(self, node): """ Visit a node. """ method = 'visit_' + node.__class__.__name__ visitor = getattr(self, method, self.generic_visit) return visitor(node) def generic_visit(self, node): """ Called if no explicit visitor function exists for a node. Implements preorder visiting of the node. """ for c in node.children(): self.visit(c) class ArrayDecl(Node): def __init__(self, type, dim, coord=None): self.type = type self.dim = dim self.coord = coord def children(self): nodelist = [] if self.type is not None: nodelist.append(self.type) if self.dim is not None: nodelist.append(self.dim) return tuple(nodelist) attr_names = () class ArrayRef(Node): def __init__(self, name, subscript, coord=None): self.name = name self.subscript = subscript self.coord = coord def children(self): nodelist = [] if self.name is not None: nodelist.append(self.name) if self.subscript is not None: nodelist.append(self.subscript) return tuple(nodelist) attr_names = () class Assignment(Node): def __init__(self, op, lvalue, rvalue, coord=None): self.op = op self.lvalue = lvalue self.rvalue = rvalue self.coord = coord def children(self): nodelist = [] if self.lvalue is not None: nodelist.append(self.lvalue) if self.rvalue is not None: nodelist.append(self.rvalue) return tuple(nodelist) attr_names = ('op',) class BinaryOp(Node): def __init__(self, op, left, right, coord=None): self.op = op self.left = left self.right = right self.coord = coord def children(self): nodelist = [] if self.left is not None: nodelist.append(self.left) if self.right is not None: nodelist.append(self.right) return tuple(nodelist) attr_names = ('op',) class Break(Node): def __init__(self, coord=None): self.coord = coord def children(self): return () attr_names = () class Case(Node): def __init__(self, expr, stmt, coord=None): self.expr = expr self.stmt = stmt self.coord = coord def children(self): nodelist = [] if self.expr is not None: nodelist.append(self.expr) if self.stmt is not None: nodelist.append(self.stmt) return tuple(nodelist) attr_names = () class Cast(Node): def __init__(self, to_type, expr, coord=None): self.to_type = to_type self.expr = expr self.coord = coord def children(self): nodelist = [] if self.to_type is not None: nodelist.append(self.to_type) if self.expr is not None: nodelist.append(self.expr) return tuple(nodelist) attr_names = () class Compound(Node): def __init__(self, block_items, coord=None): self.block_items = block_items self.coord = coord def children(self): nodelist = [] if self.block_items is not None: nodelist.extend(self.block_items) return tuple(nodelist) attr_names = () class CompoundLiteral(Node): def __init__(self, type, init, coord=None): self.type = type self.init = init self.coord = coord def children(self): nodelist = [] if self.type is not None: nodelist.append(self.type) if self.init is not None: nodelist.append(self.init) return tuple(nodelist) attr_names = () class Constant(Node): def __init__(self, type, value, coord=None): self.type = type self.value = value self.coord = coord def children(self): nodelist = [] return tuple(nodelist) attr_names = ('type','value',) class Continue(Node): def __init__(self, coord=None): self.coord = coord def children(self): return () attr_names = () class Decl(Node): def __init__(self, name, quals, storage, funcspec, type, init, bitsize, coord=None): self.name = name self.quals = quals self.storage = storage self.funcspec = funcspec self.type = type self.init = init self.bitsize = bitsize self.coord = coord def children(self): nodelist = [] if self.type is not None: nodelist.append(self.type) if self.init is not None: nodelist.append(self.init) if self.bitsize is not None: nodelist.append(self.bitsize) return tuple(nodelist) attr_names = ('name','quals','storage','funcspec',) class DeclList(Node): def __init__(self, decls, coord=None): self.decls = decls self.coord = coord def children(self): nodelist = [] if self.decls is not None: nodelist.extend(self.decls) return tuple(nodelist) attr_names = () class Default(Node): def __init__(self, stmt, coord=None): self.stmt = stmt self.coord = coord def children(self): nodelist = [] if self.stmt is not None: nodelist.append(self.stmt) return tuple(nodelist) attr_names = () class DoWhile(Node): def __init__(self, cond, stmt, coord=None): self.cond = cond self.stmt = stmt self.coord = coord def children(self): nodelist = [] if self.cond is not None: nodelist.append(self.cond) if self.stmt is not None: nodelist.append(self.stmt) return tuple(nodelist) attr_names = () class EllipsisParam(Node): def __init__(self, coord=None): self.coord = coord def children(self): return () attr_names = () class EmptyStatement(Node): def __init__(self, coord=None): self.coord = coord def children(self): return () attr_names = () class Enum(Node): def __init__(self, name, values, coord=None): self.name = name self.values = values self.coord = coord def children(self): nodelist = [] if self.values is not None: nodelist.append(self.values) return tuple(nodelist) attr_names = ('name',) class Enumerator(Node): def __init__(self, name, value, coord=None): self.name = name self.value = value self.coord = coord def children(self): nodelist = [] if self.value is not None: nodelist.append(self.value) return tuple(nodelist) attr_names = ('name',) class EnumeratorList(Node): def __init__(self, enumerators, coord=None): self.enumerators = enumerators self.coord = coord def children(self): nodelist = [] if self.enumerators is not None: nodelist.extend(self.enumerators) return tuple(nodelist) attr_names = () class ExprList(Node): def __init__(self, exprs, coord=None): self.exprs = exprs self.coord = coord def children(self): nodelist = [] if self.exprs is not None: nodelist.extend(self.exprs) return tuple(nodelist) attr_names = () class FileAST(Node): def __init__(self, ext, coord=None): self.ext = ext self.coord = coord def children(self): nodelist = [] if self.ext is not None: nodelist.extend(self.ext) return tuple(nodelist) attr_names = () class For(Node): def __init__(self, init, cond, next, stmt, coord=None): self.init = init self.cond = cond self.next = next self.stmt = stmt self.coord = coord def children(self): nodelist = [] if self.init is not None: nodelist.append(self.init) if self.cond is not None: nodelist.append(self.cond) if self.next is not None: nodelist.append(self.next) if self.stmt is not None: nodelist.append(self.stmt) return tuple(nodelist) attr_names = () class FuncCall(Node): def __init__(self, name, args, coord=None): self.name = name self.args = args self.coord = coord def children(self): nodelist = [] if self.name is not None: nodelist.append(self.name) if self.args is not None: nodelist.append(self.args) return tuple(nodelist) attr_names = () class FuncDecl(Node): def __init__(self, args, type, coord=None): self.args = args self.type = type self.coord = coord def children(self): nodelist = [] if self.args is not None: nodelist.append(self.args) if self.type is not None: nodelist.append(self.type) return tuple(nodelist) attr_names = () class FuncDef(Node): def __init__(self, decl, param_decls, body, coord=None): self.decl = decl self.param_decls = param_decls self.body = body self.coord = coord def children(self): nodelist = [] if self.decl is not None: nodelist.append(self.decl) if self.body is not None: nodelist.append(self.body) if self.param_decls is not None: nodelist.extend(self.param_decls) return tuple(nodelist) attr_names = () class Goto(Node): def __init__(self, name, coord=None): self.name = name self.coord = coord def children(self): nodelist = [] return tuple(nodelist) attr_names = ('name',) class ID(Node): def __init__(self, name, coord=None): self.name = name self.coord = coord def children(self): nodelist = [] return tuple(nodelist) attr_names = ('name',) class IdentifierType(Node): def __init__(self, names, coord=None): self.names = names self.coord = coord def children(self): nodelist = [] return tuple(nodelist) attr_names = ('names',) class If(Node): def __init__(self, cond, iftrue, iffalse, coord=None): self.cond = cond self.iftrue = iftrue self.iffalse = iffalse self.coord = coord def children(self): nodelist = [] if self.cond is not None: nodelist.append(self.cond) if self.iftrue is not None: nodelist.append(self.iftrue) if self.iffalse is not None: nodelist.append(self.iffalse) return tuple(nodelist) attr_names = () class Label(Node): def __init__(self, name, stmt, coord=None): self.name = name self.stmt = stmt self.coord = coord def children(self): nodelist = [] if self.stmt is not None: nodelist.append(self.stmt) return tuple(nodelist) attr_names = ('name',) class NamedInitializer(Node): def __init__(self, name, expr, coord=None): self.name = name self.expr = expr self.coord = coord def children(self): nodelist = [] if self.expr is not None: nodelist.append(self.expr) if self.name is not None: nodelist.extend(self.name) return tuple(nodelist) attr_names = () class ParamList(Node): def __init__(self, params, coord=None): self.params = params self.coord = coord def children(self): nodelist = [] if self.params is not None: nodelist.extend(self.params) return tuple(nodelist) attr_names = () class PtrDecl(Node): def __init__(self, quals, type, coord=None): self.quals = quals self.type = type self.coord = coord def children(self): nodelist = [] if self.type is not None: nodelist.append(self.type) return tuple(nodelist) attr_names = ('quals',) class Return(Node): def __init__(self, expr, coord=None): self.expr = expr self.coord = coord def children(self): nodelist = [] if self.expr is not None: nodelist.append(self.expr) return tuple(nodelist) attr_names = () class Struct(Node): def __init__(self, name, decls, coord=None): self.name = name self.decls = decls self.coord = coord def children(self): nodelist = [] if self.decls is not None: nodelist.extend(self.decls) return tuple(nodelist) attr_names = ('name',) class StructRef(Node): def __init__(self, name, type, field, coord=None): self.name = name self.type = type self.field = field self.coord = coord def children(self): nodelist = [] if self.name is not None: nodelist.append(self.name) if self.field is not None: nodelist.append(self.field) return tuple(nodelist) attr_names = ('type',) class Switch(Node): def __init__(self, cond, stmt, coord=None): self.cond = cond self.stmt = stmt self.coord = coord def children(self): nodelist = [] if self.cond is not None: nodelist.append(self.cond) if self.stmt is not None: nodelist.append(self.stmt) return tuple(nodelist) attr_names = () class TernaryOp(Node): def __init__(self, cond, iftrue, iffalse, coord=None): self.cond = cond self.iftrue = iftrue self.iffalse = iffalse self.coord = coord def children(self): nodelist = [] if self.cond is not None: nodelist.append(self.cond) if self.iftrue is not None: nodelist.append(self.iftrue) if self.iffalse is not None: nodelist.append(self.iffalse) return tuple(nodelist) attr_names = () class TypeDecl(Node): def __init__(self, declname, quals, type, coord=None): self.declname = declname self.quals = quals self.type = type self.coord = coord def children(self): nodelist = [] if self.type is not None: nodelist.append(self.type) return tuple(nodelist) attr_names = ('declname','quals',) class Typedef(Node): def __init__(self, name, quals, storage, type, coord=None): self.name = name self.quals = quals self.storage = storage self.type = type self.coord = coord def children(self): nodelist = [] if self.type is not None: nodelist.append(self.type) return tuple(nodelist) attr_names = ('name','quals','storage',) class Typename(Node): def __init__(self, quals, type, coord=None): self.quals = quals self.type = type self.coord = coord def children(self): nodelist = [] if self.type is not None: nodelist.append(self.type) return tuple(nodelist) attr_names = ('quals',) class UnaryOp(Node): def __init__(self, op, expr, coord=None): self.op = op self.expr = expr self.coord = coord def children(self): nodelist = [] if self.expr is not None: nodelist.append(self.expr) return tuple(nodelist) attr_names = ('op',) class Union(Node): def __init__(self, name, decls, coord=None): self.name = name self.decls = decls self.coord = coord def children(self): nodelist = [] if self.decls is not None: nodelist.extend(self.decls) return tuple(nodelist) attr_names = ('name',) class While(Node): def __init__(self, cond, stmt, coord=None): self.cond = cond self.stmt = stmt self.coord = coord def children(self): nodelist = [] if self.cond is not None: nodelist.append(self.cond) if self.stmt is not None: nodelist.append(self.stmt) return tuple(nodelist) attr_names = ()