def filter_ast(ast):
# Put WTF-8 string into interface name.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('ExpressionStatement') \
.set_interface_name(u'\uD83E_\uDD9D')
return ast
def filter_ast(ast):
# Put WTF-8 string into scope name.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('scope') \
.assert_interface('AssertedScriptGlobalScope') \
.field('declaredNames') \
.elem(0) \
.assert_interface('AssertedDeclaredName') \
.field('name') \
.set_identifier_name(u'\uD83E_\uDD9D')
return ast
def filter_ast(ast):
# AssignmentTargetIdentifier with non-identifier string.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('EagerFunctionDeclaration') \
.field('name') \
.assert_interface('BindingIdentifier') \
.field('name') \
.set_identifier_name('1')
return ast
def filter_ast(ast):
# Add unmatching PositionalFormalParameter
import filter_utils as utils
params_items = utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('EagerFunctionDeclaration') \
.field('contents') \
.assert_interface('FunctionOrMethodContents') \
.field('params') \
.assert_interface('FormalParameters') \
.field('items')
copied_param = params_items.elem(0) \
.assert_interface('BindingIdentifier') \
.copy()
copied_param.field('name') \
.set_identifier_name('b')
params_items.append_elem(copied_param)
return ast
def filter_ast(ast):
# Duplicate parameter up to 65536 entries.
import filter_utils as utils
param_names = utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('EagerFunctionDeclaration') \
.field('contents') \
.assert_interface('FunctionOrMethodContents') \
.field('parameterScope') \
.assert_interface('AssertedParameterScope') \
.field('paramNames')
param_name = param_names.elem(0) \
.assert_interface('AssertedPositionalParameterName')
for i in range(1, 65536 + 1):
copied_param_name = param_name.copy()
copied_param_name.field('index') \
.set_unsigned_long(i)
copied_param_name.field('name') \
.set_identifier_name('a{}'.format(i))
param_names.append_elem(copied_param_name)
return ast
def filter_ast(ast):
# catch with missing AssertedBoundName
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('TryCatchStatement') \
.field('catchClause') \
.assert_interface('CatchClause') \
.field('bindingScope') \
.assert_interface('AssertedBoundNamesScope') \
.field('boundNames') \
.remove_elem(0)
return ast
def filter_ast(ast):
# Put WTF-8 string into identifier name.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('ExpressionStatement') \
.field('expression') \
.assert_interface('AssignmentExpression') \
.field('binding') \
.assert_interface('AssignmentTargetIdentifier') \
.field('name') \
.set_identifier_name(u'\uD83E_\uDD9D')
return ast
def filter_ast(ast):
# IdentifierExpression with non-identifier string.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('ExpressionStatement') \
.field('expression') \
.assert_interface('AssignmentExpression') \
.field('expression') \
.assert_interface('IdentifierExpression') \
.field('name') \
.set_identifier_name('1')
return ast
def filter_ast(ast):
# AssignmentTargetIdentifier with null string.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('ExpressionStatement') \
.field('expression') \
.assert_interface('AssignmentExpression') \
.field('binding') \
.assert_interface('AssignmentTargetIdentifier') \
.field('name') \
.set_null_identifier_name()
return ast
def filter_ast(ast):
# AssertedPositionalParameterName.index >= ARGNO_LIMIT - 1.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('EagerFunctionDeclaration') \
.field('contents') \
.assert_interface('FunctionOrMethodContents') \
.field('parameterScope') \
.assert_interface('AssertedParameterScope') \
.field('paramNames') \
.elem(0) \
.assert_interface('AssertedPositionalParameterName') \
.field('index') \
.set_unsigned_long(65536)
return ast
def filter_ast(ast):
# AssertedPositionalParameterName with non-identifier string.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('EagerFunctionDeclaration') \
.field('contents') \
.assert_interface('FunctionOrMethodContents') \
.field('parameterScope') \
.assert_interface('AssertedParameterScope') \
.field('paramNames') \
.elem(0) \
.assert_interface('AssertedPositionalParameterName') \
.field('name') \
.set_identifier_name('1')
return ast
def filter_ast(ast):
# AssertedBoundName with non-identifier string.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('TryCatchStatement') \
.field('catchClause') \
.assert_interface('CatchClause') \
.field('bindingScope') \
.assert_interface('AssertedBoundNamesScope') \
.field('boundNames') \
.elem(0) \
.assert_interface('AssertedBoundName') \
.field('name') \
.set_identifier_name('1')
return ast
def filter_ast(ast):
# Set different parameter name than one in scope.
import filter_utils as utils
utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('EagerFunctionDeclaration') \
.field('contents') \
.assert_interface('FunctionOrMethodContents') \
.field('params') \
.assert_interface('FormalParameters') \
.field('items') \
.elem(0) \
.assert_interface('BindingIdentifier') \
.field('name') \
.set_identifier_name('b')
return ast
def filter_ast(ast):
# Put WTF-8 string into field name.
# In multipart format, field name is not encoded into the file,
# so this has no effect.
import filter_utils as utils
expr_stmt = utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('ExpressionStatement') \
expr_stmt.append_field(u'\uD83E_\uDD9D',
expr_stmt.remove_field('expression'))
return ast
def filter_ast(ast):
# Move a continue statement out of a while loop.
import filter_utils as utils
global_stmts = utils.wrap(ast) \
.assert_interface('Script') \
.field('statements')
continue_stmt = global_stmts.elem(0) \
.assert_interface('WhileStatement') \
.field('body') \
.assert_interface('Block') \
.field('statements') \
.remove_elem(0) \
.assert_interface('ContinueStatement')
global_stmts.append_elem(continue_stmt)
return ast
def filter_ast(ast):
# AssertedDeclaredName with non-identifier string.
import filter_utils as utils
decl_names = utils.wrap(ast) \
.assert_interface('Script') \
.field('scope') \
.assert_interface('AssertedScriptGlobalScope') \
.field('declaredNames') \
copied_decl_name = decl_names.elem(0) \
.assert_interface('AssertedDeclaredName') \
.copy()
decl_names.append_elem(copied_decl_name)
copied_decl_name.field('name') \
.set_identifier_name('1')
return ast
def filter_ast(ast):
# Move a break statement out of a while loop.
import filter_utils as utils
global_stmts = utils.wrap(ast) \
.assert_interface('Script') \
.field('statements')
break_stmt = global_stmts.elem(0) \
.assert_interface('LabelledStatement') \
.field('body') \
.assert_interface('WhileStatement') \
.field('body') \
.assert_interface('Block') \
.field('statements') \
.remove_elem(0) \
.assert_interface('BreakStatement')
global_stmts.append_elem(break_stmt)
return ast
def filter_ast(ast):
# Move function inside then-block, without fixing scope.
import filter_utils as utils
global_stmts = utils.wrap(ast) \
.assert_interface('Script') \
.field('statements')
fun_decl = global_stmts \
.elem(0) \
.assert_interface('EagerFunctionDeclaration')
global_stmts \
.elem(1) \
.assert_interface('IfStatement') \
.field('consequent') \
.assert_interface('Block') \
.field('statements') \
.append_elem(fun_decl.copy())
return ast
def filter_ast(ast):
# BindingIdentifier with non-identifier string.
import filter_utils as utils
decls = utils.wrap(ast) \
.assert_interface('Script') \
.field('statements') \
.elem(0) \
.assert_interface('VariableDeclaration') \
.field('declarators')
copied_decl = decls.elem(0) \
.assert_interface('VariableDeclarator') \
.copy()
decls.append_elem(copied_decl)
copied_decl.field('binding') \
.assert_interface('BindingIdentifier') \
.field('name') \
.set_identifier_name('1')
return ast
