def parse_left(self, required=True):
result = self.hooks.unary_prehook() if self.hooks != None else None
if result != None:
return result
unary = self.reader.read_any_of(self.config.unary)
if unary != None:
right = self.parse(self.prefix_precedence)
return exprs.UnaryExpression(exprs.UNARY_TYPE.PREFIX, unary, right)
id = self.reader.read_identifier()
if id != None:
return exprs.Identifier(id)
num = self.reader.read_number()
if num != None:
return exprs.NumericLiteral(num)
str = self.reader.read_string()
if str != None:
return exprs.StringLiteral(str)
if self.reader.read_token("("):
expr = self.parse()
self.reader.expect_token(")")
return exprs.ParenthesizedExpression(expr)
if required:
self.reader.fail(
f'''unknown (literal / unary) token in expression''')
return None
def transform(self, expr):
if isinstance(expr, exprs.BinaryExpression) and expr.operator == "||":
lit_types = self.main.current_file.literal_types
expr.left = self.main.run_plugins_on(expr.left)
left_type = expr.left.get_type()
if isinstance(expr.right, exprs.ArrayLiteral) and len(
expr.right.items) == 0:
if isinstance(left_type, astTypes.ClassType
) and left_type.decl == lit_types.array.decl:
expr.right.set_actual_type(left_type)
return exprs.NullCoalesceExpression(expr.left, expr.right)
if isinstance(expr.right, exprs.MapLiteral) and len(
expr.right.items) == 0:
if isinstance(left_type, astTypes.ClassType
) and left_type.decl == lit_types.map.decl:
expr.right.set_actual_type(left_type)
return exprs.NullCoalesceExpression(expr.left, expr.right)
expr.right = self.main.run_plugins_on(expr.right)
right_type = expr.right.get_type()
if isinstance(expr.right, exprs.NullLiteral):
# something-which-can-be-undefined || null
return expr.left
elif astTypes.TypeHelper.is_assignable_to(
right_type, left_type) and not astTypes.TypeHelper.equals(
right_type,
self.main.current_file.literal_types.boolean):
return exprs.NullCoalesceExpression(expr.left, expr.right)
return expr
def parse_map_literal(self,
key_separator=":",
start_token="{",
end_token="}"):
if not self.reader.read_token(start_token):
return None
items = []
while True:
if self.reader.peek_token(end_token):
break
name = self.reader.read_string()
if name == None:
name = self.reader.expect_identifier(
"expected string or identifier as map key")
self.reader.expect_token(key_separator)
initializer = self.parse()
items.append(exprs.MapLiteralItem(name, initializer))
if not (self.reader.read_token(",")):
break
self.reader.expect_token(end_token)
return exprs.MapLiteral(items)
def transform(self, expr):
unary_expr = expr
if unary_expr.operator == "!":
self.main.process_expression(expr)
type = unary_expr.operand.actual_type
lit_types = self.main.current_file.literal_types
if isinstance(type, astTypes.ClassType) and type.decl != lit_types.boolean.decl and type.decl != lit_types.numeric.decl:
return exprs.BinaryExpression(unary_expr.operand, "==", exprs.NullLiteral())
return expr
def visit_expression(self, expr):
orig_expr = expr
expr = super().visit_expression(expr)
if isinstance(expr, exprs.BinaryExpression) and expr.operator == "in":
expr = exprs.UnresolvedCallExpression(
exprs.PropertyAccessExpression(expr.right, "hasKey"), [],
[expr.left])
expr.parent_node = orig_expr.parent_node
return expr
def transform_method_call(self, expr):
if isinstance(expr.object, refs.ClassReference) or isinstance(
expr.object, refs.StaticThisReference):
cls_ = expr.object.decl if isinstance(
expr.object,
refs.ClassReference) else expr.object.cls_ if isinstance(
expr.object, refs.StaticThisReference) else None
method = self.find_method(cls_, expr.method_name, True, expr.args)
result = exprs.StaticMethodCallExpression(
method, expr.type_args, expr.args,
isinstance(expr.object, refs.StaticThisReference))
self.resolve_return_type(result, genRes.GenericsResolver())
return result
else:
resolved_object = expr.object if expr.object.actual_type != None else self.main.run_plugins_on(
expr.object)
object_type = resolved_object.get_type()
intf_type = object_type.decl if isinstance(
object_type,
astTypes.ClassType) else object_type.decl if isinstance(
object_type, astTypes.InterfaceType) else None
if intf_type != None:
lambda_field = next(
filter(
lambda x: x.name == expr.method_name and isinstance(
x.type, astTypes.LambdaType) and len(
x.type.parameters) == len(expr.args),
intf_type.fields), None)
if lambda_field != None:
lambda_call = exprs.LambdaCallExpression(
refs.InstanceFieldReference(expr.object, lambda_field),
expr.args)
lambda_call.set_actual_type(
(lambda_field.type).return_type, True)
return lambda_call
method = self.find_method(intf_type, expr.method_name, False,
expr.args)
result = exprs.InstanceMethodCallExpression(
resolved_object, method, expr.type_args, expr.args)
self.resolve_return_type(
result,
genRes.GenericsResolver.from_object(resolved_object))
return result
elif isinstance(object_type, astTypes.AnyType):
expr.set_actual_type(astTypes.AnyType.instance)
return expr
else:
pass
return resolved_object
def infix_prehook(self, left):
if isinstance(
left, exprs.PropertyAccessExpression
) and self.reader.peek_regex("<[A-Za-z0-9_<>]*?>\\(") != None:
type_args = self.parse_type_args()
self.reader.expect_token("(")
args = self.expression_parser.parse_call_arguments()
return exprs.UnresolvedCallExpression(left, type_args, args)
elif self.reader.read_token("instanceof"):
type = self.parse_type()
return exprs.InstanceOfExpression(left, type)
elif isinstance(left,
exprs.Identifier) and self.reader.read_token("=>"):
block = self.parse_lambda_block()
return types.Lambda(
[types.MethodParameter(left.text, None, None, None)], block)
return None
def visit_expression(self, expr):
expr = super().visit_expression(expr)
if isinstance(expr, exprs.UnresolvedCallExpression) and isinstance(
expr.func, exprs.PropertyAccessExpression):
return exprs.UnresolvedMethodCallExpression(
expr.func.object, expr.func.property_name, expr.type_args,
expr.args)
return expr
def parse(self, precedence=0, required=True):
self.reader.skip_whitespace()
left_start = self.reader.offset
left = self.parse_left(required)
if left == None:
return None
self.add_node(left, left_start)
while True:
if self.hooks != None:
parsed = self.hooks.infix_prehook(left)
if parsed != None:
left = parsed
self.add_node(left, left_start)
continue
op = self.parse_operator()
if op == None or op.precedence <= precedence:
break
self.reader.expect_token(op.text)
op_text = self.config.aliases.get(
op.text) if op.text in self.config.aliases else op.text
if op.is_binary:
right = self.parse(op.precedence -
1 if op.is_right_assoc else op.precedence)
left = exprs.BinaryExpression(left, op_text, right)
elif op.is_postfix:
left = exprs.UnaryExpression(exprs.UNARY_TYPE.POSTFIX, op_text,
left)
elif op.text == "?":
when_true = self.parse()
self.reader.expect_token(":")
when_false = self.parse(op.precedence - 1)
left = exprs.ConditionalExpression(left, when_true, when_false)
elif op.text == "(":
args = self.parse_call_arguments()
left = exprs.UnresolvedCallExpression(left, [], args)
elif op.text == "[":
element_expr = self.parse()
self.reader.expect_token("]")
left = exprs.ElementAccessExpression(left, element_expr)
elif op.text in self.config.property_access_ops:
prop = self.reader.expect_identifier(
"expected identifier as property name")
left = exprs.PropertyAccessExpression(left, prop)
else:
self.reader.fail(
f'''parsing \'{op.text}\' is not yet implemented''')
self.add_node(left, left_start)
if isinstance(left, exprs.ParenthesizedExpression) and isinstance(
left.expression, exprs.Identifier):
expr = self.parse(0, False)
if expr != None:
return exprs.CastExpression(
astTypes.UnresolvedType(left.expression.text, []), expr)
return left
def transform(self, expr):
call_expr = expr
if isinstance(call_expr.func, refs.GlobalFunctionReference):
new_expr = exprs.GlobalFunctionCallExpression(
call_expr.func.decl, call_expr.args)
call_expr.args = list(
map(lambda arg: self.main.run_plugins_on(arg), call_expr.args))
new_expr.set_actual_type(call_expr.func.decl.returns)
return new_expr
else:
self.main.process_expression(expr)
if isinstance(call_expr.func.actual_type, astTypes.LambdaType):
new_expr = exprs.LambdaCallExpression(call_expr.func,
call_expr.args)
new_expr.set_actual_type(
call_expr.func.actual_type.return_type)
return new_expr
else:
return expr
def transform(self, expr):
# TODO: convert ElementAccess to ElementGet and ElementSet expressions
if isinstance(expr, exprs.BinaryExpression) and isinstance(
expr.left, exprs.ElementAccessExpression):
expr.left.object = self.main.run_plugins_on(expr.left.object)
if self.is_map_or_array_type(expr.left.object.get_type()):
#const right = expr.operator === "=" ? expr.right : new BinaryExpression(<Expression>expr.left.clone(), expr.operator === "+=" ? "+" : "-", expr.right);
return exprs.UnresolvedMethodCallExpression(
expr.left.object, "set", [],
[expr.left.element_expr, expr.right])
elif isinstance(expr, exprs.ElementAccessExpression):
expr.object = self.main.run_plugins_on(expr.object)
if self.is_map_or_array_type(expr.object.get_type()):
return exprs.UnresolvedMethodCallExpression(
expr.object, "get", [], [expr.element_expr])
elif isinstance(expr.element_expr, exprs.StringLiteral):
return exprs.PropertyAccessExpression(
expr.object, expr.element_expr.string_value)
return expr
def visit_expression(self, expr):
if isinstance(expr, exprs.UnresolvedNewExpression):
cls_type = self.visit_type(expr.cls_)
if isinstance(cls_type, astTypes.ClassType):
new_expr = exprs.NewExpression(cls_type, expr.args)
new_expr.parent_node = expr.parent_node
super().visit_expression(new_expr)
return new_expr
else:
self.error_man.throw(
f'''Excepted ClassType, but got {cls_type}''')
return expr
else:
return super().visit_expression(expr)
def parse_array_literal(self, start_token="[", end_token="]"):
if not self.reader.read_token(start_token):
return None
items = []
if not self.reader.read_token(end_token):
while True:
item = self.parse()
items.append(item)
if not (self.reader.read_token(",")):
break
self.reader.expect_token(end_token)
return exprs.ArrayLiteral(items)
def parse_block(self, indent_len = 0):
block = nodes.TemplateBlock([])
indent_man = BlockIndentManager(block, indent_len)
while not self.reader.get_eof():
if self.reader.peek_exactly("{{/"):
break
if self.reader.read_exactly("${"):
expr = self.parser.parse_expression()
block.items.append(nodes.ExpressionNode(expr))
self.reader.expect_token("}")
elif self.reader.read_exactly("$"):
id = self.reader.expect_identifier()
block.items.append(nodes.ExpressionNode(exprs.Identifier(id)))
elif self.reader.read_exactly("{{"):
block_indent_len = indent_man.remove_prev_indent()
if self.reader.read_token("for"):
var_name = self.reader.expect_identifier()
self.reader.expect_token("of")
items_expr = self.parser.parse_expression()
attrs = self.parse_attributes()
self.reader.expect_token("}}")
body = self.parse_block(block_indent_len)
self.reader.expect_token("{{/for}}")
block.items.append(nodes.ForNode(var_name, items_expr, body, attrs.get("joiner")))
else:
expr = self.parser.parse_expression()
block.items.append(nodes.ExpressionNode(expr))
self.reader.expect_token("}}")
else:
literal = self.reader.read_regex("([^\\\\]\\\\(\\{\\{|\\$)|\r|\n|(?!\\{\\{|\\$\\{|\\$).)*")[0]
if literal == "":
raise Error("This should not happen!")
block.items.append(indent_man.deindent(nodes.LiteralNode(literal)))
if indent_len != 0:
indent_man.remove_prev_indent()
return block
def class_like(self, cls_):
self.current_class = cls_
res_list = []
static_constructor_stmts = []
complex_field_inits = []
if isinstance(cls_, types.Class):
field_reprs = []
for field in cls_.fields:
is_initializer_complex = field.initializer != None and not (
isinstance(field.initializer, exprs.StringLiteral)
) and not (isinstance(
field.initializer, exprs.BooleanLiteral)) and not (
isinstance(field.initializer, exprs.NumericLiteral))
prefix = f'''{self.vis(field.visibility)} {self.pre_if("static ", field.is_static)}'''
if len(field.interface_declarations) > 0:
init = f''' = {self.expr(field.initializer)};''' if field.initializer != None else ""
field_reprs.append(
f'''{prefix}{self.var_wo_init(field, field)} {{ get; set; }}{init}'''
)
elif is_initializer_complex:
if field.is_static:
static_constructor_stmts.append(
stats.ExpressionStatement(
exprs.BinaryExpression(
refs.StaticFieldReference(field), "=",
field.initializer)))
else:
complex_field_inits.append(
stats.ExpressionStatement(
exprs.BinaryExpression(
refs.InstanceFieldReference(
refs.ThisReference(cls_), field), "=",
field.initializer)))
field_reprs.append(
f'''{prefix}{self.var_wo_init(field, field)};''')
else:
field_reprs.append(
f'''{prefix}{self.var(field, field)};''')
res_list.append("\n".join(field_reprs))
res_list.append("\n".join(
list(
map(
lambda prop:
f'''{self.vis(prop.visibility)} {self.pre_if("static ", prop.is_static)}'''
+ self.var_wo_init(prop, prop) +
(f''' {{\n get {{\n{self.pad(self.block(prop.getter))}\n }}\n}}'''
if prop.getter != None else "") +
(f''' {{\n set {{\n{self.pad(self.block(prop.setter))}\n }}\n}}'''
if prop.setter != None else ""), cls_.properties))))
if len(static_constructor_stmts) > 0:
res_list.append(
f'''static {self.name_(cls_.name)}()\n{{\n{self.pad(self.stmts(static_constructor_stmts))}\n}}'''
)
if cls_.constructor_ != None:
constr_field_inits = []
for field in list(
filter(lambda x: x.constructor_param != None,
cls_.fields)):
field_ref = refs.InstanceFieldReference(
refs.ThisReference(cls_), field)
mp_ref = refs.MethodParameterReference(
field.constructor_param)
# TODO: decide what to do with "after-TypeEngine" transformations
mp_ref.set_actual_type(field.type, False, False)
constr_field_inits.append(
stats.ExpressionStatement(
exprs.BinaryExpression(field_ref, "=", mp_ref)))
# @java var stmts = Stream.concat(Stream.concat(constrFieldInits.stream(), complexFieldInits.stream()), ((Class)cls).constructor_.getBody().statements.stream()).toArray(Statement[]::new);
# @java-import java.util.stream.Stream
stmts = constr_field_inits + complex_field_inits + cls_.constructor_.body.statements
res_list.append(
"public " +
self.pre_if("/* throws */ ", cls_.constructor_.throws) +
self.name_(cls_.name) +
f'''({", ".join(list(map(lambda p: self.var(p, p), cls_.constructor_.parameters)))})'''
+
(f''': base({", ".join(list(map(lambda x: self.expr(x), cls_.constructor_.super_call_args)))})'''
if cls_.constructor_.super_call_args != None else "") +
f'''\n{{\n{self.pad(self.stmts(stmts))}\n}}''')
elif len(complex_field_inits) > 0:
res_list.append(
f'''public {self.name_(cls_.name)}()\n{{\n{self.pad(self.stmts(complex_field_inits))}\n}}'''
)
elif isinstance(cls_, types.Interface):
res_list.append("\n".join(
list(
map(
lambda field:
f'''{self.var_wo_init(field, field)} {{ get; set; }}''',
cls_.fields))))
methods = []
for method in cls_.methods:
if isinstance(cls_, types.Class) and method.body == None:
continue
# declaration only
methods.append(
("" if isinstance(method.parent_interface, types.Interface
) else self.vis(method.visibility) + " ") +
self.pre_if("static ", method.is_static) + self.pre_if(
"virtual ", method.overrides == None
and len(method.overridden_by) > 0) +
self.pre_if("override ", method.overrides != None) +
self.pre_if("async ", method.async_) +
self.pre_if("/* throws */ ", method.throws) +
f'''{self.type(method.returns, False)} ''' +
self.name_(method.name) +
self.type_args(method.type_arguments) +
f'''({", ".join(list(map(lambda p: self.var(p, None), method.parameters)))})'''
+
(f'''\n{{\n{self.pad(self.stmts(method.body.statements))}\n}}'''
if method.body != None else ";"))
res_list.append("\n\n".join(methods))
return self.pad("\n\n".join(list(filter(lambda x: x != "", res_list))))
def class_(self, cls_):
self.current_class = cls_
res_list = []
static_constructor_stmts = []
complex_field_inits = []
field_reprs = []
prop_reprs = []
for field in cls_.fields:
is_initializer_complex = field.initializer != None and not (
isinstance(field.initializer, exprs.StringLiteral)) and not (
isinstance(field.initializer,
exprs.BooleanLiteral)) and not (isinstance(
field.initializer, exprs.NumericLiteral))
prefix = f'''{self.vis(field.visibility)} {self.pre_if("static ", field.is_static)}'''
if len(field.interface_declarations) > 0:
var_type = self.var_type(field, field)
name = self.name_(field.name)
pname = self.uc_first(field.name)
set_to_false = astTypes.TypeHelper.equals(
field.type,
self.current_class.parent_file.literal_types.boolean)
prop_reprs.append(
f'''{var_type} {name}{(" = false" if set_to_false else f' = {self.expr(field.initializer)}' if field.initializer != None else "")};\n'''
+
f'''{prefix}{var_type} get{pname}() {{ return this.{name}; }}\n'''
+
f'''{prefix}void set{pname}({var_type} value) {{ this.{name} = value; }}'''
)
elif is_initializer_complex:
if field.is_static:
static_constructor_stmts.append(
stats.ExpressionStatement(
exprs.BinaryExpression(
refs.StaticFieldReference(field), "=",
field.initializer)))
else:
complex_field_inits.append(
stats.ExpressionStatement(
exprs.BinaryExpression(
refs.InstanceFieldReference(
refs.ThisReference(cls_), field), "=",
field.initializer)))
field_reprs.append(
f'''{prefix}{self.var_wo_init(field, field)};''')
else:
field_reprs.append(f'''{prefix}{self.var(field, field)};''')
res_list.append("\n".join(field_reprs))
res_list.append("\n\n".join(prop_reprs))
for prop in cls_.properties:
prefix = f'''{self.vis(prop.visibility)} {self.pre_if("static ", prop.is_static)}'''
if prop.getter != None:
res_list.append(
f'''{prefix}{self.type(prop.type)} get{self.uc_first(prop.name)}(){self.block(prop.getter, False)}'''
)
if prop.setter != None:
res_list.append(
f'''{prefix}void set{self.uc_first(prop.name)}({self.type(prop.type)} value){self.block(prop.setter, False)}'''
)
if len(static_constructor_stmts) > 0:
res_list.append(
f'''static {{\n{self.pad(self.stmts(static_constructor_stmts))}\n}}'''
)
if cls_.constructor_ != None:
constr_field_inits = []
for field in list(
filter(lambda x: x.constructor_param != None,
cls_.fields)):
field_ref = refs.InstanceFieldReference(
refs.ThisReference(cls_), field)
mp_ref = refs.MethodParameterReference(field.constructor_param)
# TODO: decide what to do with "after-TypeEngine" transformations
mp_ref.set_actual_type(field.type, False, False)
constr_field_inits.append(
stats.ExpressionStatement(
exprs.BinaryExpression(field_ref, "=", mp_ref)))
super_call = f'''super({", ".join(list(map(lambda x: self.expr(x), cls_.constructor_.super_call_args)))});\n''' if cls_.constructor_.super_call_args != None else ""
# @java var stmts = Stream.of(constrFieldInits, complexFieldInits, cls.constructor_.getBody().statements).flatMap(Collection::stream).toArray(Statement[]::new);
# @java-import java.util.Collection
# @java-import java.util.stream.Stream
stmts = constr_field_inits + complex_field_inits + cls_.constructor_.body.statements
# TODO: super calls
res_list.append(
self.method_gen(
"public " +
self.pre_if("/* throws */ ", cls_.constructor_.throws) +
self.name_(cls_.name), cls_.constructor_.parameters,
f'''\n{{\n{self.pad(super_call + self.stmts(stmts))}\n}}'''
))
elif len(complex_field_inits) > 0:
res_list.append(
f'''public {self.name_(cls_.name)}()\n{{\n{self.pad(self.stmts(complex_field_inits))}\n}}'''
)
methods = []
for method in cls_.methods:
if method.body == None:
continue
# declaration only
methods.append(self.method(method, True))
res_list.append("\n\n".join(methods))
return self.pad("\n\n".join(list(filter(lambda x: x != "", res_list))))
def class_like(self, cls_):
self.current_class = cls_
res_list = []
static_constructor_stmts = []
complex_field_inits = []
if isinstance(cls_, types.Class):
field_reprs = []
for field in cls_.fields:
is_initializer_complex = field.initializer != None and not (isinstance(field.initializer, exprs.StringLiteral)) and not (isinstance(field.initializer, exprs.BooleanLiteral)) and not (isinstance(field.initializer, exprs.NumericLiteral))
prefix = f'''{self.vis(field.visibility, True)}{self.pre_if("static ", field.is_static)}'''
if is_initializer_complex:
if field.is_static:
static_constructor_stmts.append(stats.ExpressionStatement(exprs.BinaryExpression(refs.StaticFieldReference(field), "=", field.initializer)))
else:
complex_field_inits.append(stats.ExpressionStatement(exprs.BinaryExpression(refs.InstanceFieldReference(refs.ThisReference(cls_), field), "=", field.initializer)))
field_reprs.append(f'''{prefix}{self.var_wo_init(field, field)};''')
else:
field_reprs.append(f'''{prefix}{self.var(field, field)};''')
res_list.append("\n".join(field_reprs))
for prop in cls_.properties:
if prop.getter != None:
res_list.append(self.vis(prop.visibility, False) + self.pre_if("static ", prop.is_static) + f'''function get_{self.name_(prop.name)}(){self.block(prop.getter, False)}''')
if prop.setter != None:
res_list.append(self.vis(prop.visibility, False) + self.pre_if("static ", prop.is_static) + f'''function set_{self.name_(prop.name)}($value){self.block(prop.setter, False)}''')
if len(static_constructor_stmts) > 0:
res_list.append(f'''static function StaticInit()\n{{\n{self.pad(self.stmts(static_constructor_stmts))}\n}}''')
if cls_.constructor_ != None:
constr_field_inits = []
for field in list(filter(lambda x: x.constructor_param != None, cls_.fields)):
field_ref = refs.InstanceFieldReference(refs.ThisReference(cls_), field)
mp_ref = refs.MethodParameterReference(field.constructor_param)
# TODO: decide what to do with "after-TypeEngine" transformations
mp_ref.set_actual_type(field.type, False, False)
constr_field_inits.append(stats.ExpressionStatement(exprs.BinaryExpression(field_ref, "=", mp_ref)))
parent_call = f'''parent::__construct({", ".join(list(map(lambda x: self.expr(x), cls_.constructor_.super_call_args)))});\n''' if cls_.constructor_.super_call_args != None else ""
# @java var stmts = Stream.of(constrFieldInits, complexFieldInits, ((Class)cls).constructor_.getBody().statements).flatMap(Collection::stream).toArray(Statement[]::new);
# @java-import java.util.Collection
# @java-import java.util.stream.Stream
stmts = constr_field_inits + complex_field_inits + cls_.constructor_.body.statements
res_list.append(self.pre_if("/* throws */ ", cls_.constructor_.throws) + "function __construct" + f'''({", ".join(list(map(lambda p: self.var(p, p), cls_.constructor_.parameters)))})''' + f''' {{\n{self.pad(parent_call + self.stmts(stmts))}\n}}''')
elif len(complex_field_inits) > 0:
res_list.append(f'''function __construct()\n{{\n{self.pad(self.stmts(complex_field_inits))}\n}}''')
elif isinstance(cls_, types.Interface):
pass
methods = []
for method in cls_.methods:
if isinstance(cls_, types.Class) and method.body == None:
continue
# declaration only
methods.append(("" if isinstance(method.parent_interface, types.Interface) else self.vis(method.visibility, False)) + self.pre_if("static ", method.is_static) + self.pre_if("/* throws */ ", method.throws) + f'''function ''' + self.name_(method.name) + self.type_args(method.type_arguments) + f'''({", ".join(list(map(lambda p: self.var(p, None), method.parameters)))})''' + (f''' {{\n{self.pad(self.stmts(method.body.statements))}\n}}''' if method.body != None else ";"))
res_list.append("\n\n".join(methods))
res_list_joined = self.pad("\n\n".join(list(filter(lambda x: x != "", res_list))))
return f''' {{\n{res_list_joined}\n}}''' + (f'''\n{self.name_(cls_.name)}::StaticInit();''' if len(static_constructor_stmts) > 0 else "")
def unary_prehook(self):
if self.reader.read_token("null"):
return exprs.NullLiteral()
elif self.reader.read_token("true"):
return exprs.BooleanLiteral(True)
elif self.reader.read_token("false"):
return exprs.BooleanLiteral(False)
elif self.reader.read_token("`"):
parts = []
lit_part = ""
while True:
if self.reader.read_exactly("`"):
if lit_part != "":
parts.append(
exprs.TemplateStringPart.literal(lit_part))
lit_part = ""
break
elif self.reader.read_exactly("${"):
if lit_part != "":
parts.append(
exprs.TemplateStringPart.literal(lit_part))
lit_part = ""
expr = self.parse_expression()
parts.append(exprs.TemplateStringPart.expression(expr))
self.reader.expect_token("}")
elif self.allow_dollar_ids and self.reader.read_exactly("$"):
if lit_part != "":
parts.append(
exprs.TemplateStringPart.literal(lit_part))
lit_part = ""
id = self.reader.read_identifier()
parts.append(
exprs.TemplateStringPart.expression(
exprs.Identifier(id)))
elif self.reader.read_exactly("\\"):
chr = self.reader.read_char()
if chr == "n":
lit_part += "\n"
elif chr == "r":
lit_part += "\r"
elif chr == "t":
lit_part += "\t"
elif chr == "`":
lit_part += "`"
elif chr == "$":
lit_part += "$"
elif chr == "\\":
lit_part += "\\"
else:
self.reader.fail("invalid escape",
self.reader.offset - 1)
else:
chr = self.reader.read_char()
chr_code = ord(chr[0])
if not (32 <= chr_code
and chr_code <= 126) or chr == "`" or chr == "\\":
self.reader.fail(
f'''not allowed character (code={chr_code})''',
self.reader.offset - 1)
lit_part += chr
return exprs.TemplateString(parts)
elif self.reader.read_token("new"):
type = self.parse_type()
if isinstance(type, astTypes.UnresolvedType):
self.reader.expect_token("(")
args = self.expression_parser.parse_call_arguments()
return exprs.UnresolvedNewExpression(type, args)
else:
raise Error(
f'''[TypeScriptParser2] Expected UnresolvedType here!''')
elif self.reader.read_token("<"):
new_type = self.parse_type()
self.reader.expect_token(">")
expression = self.parse_expression()
return exprs.CastExpression(new_type, expression)
elif self.reader.read_token("/"):
pattern = ""
while True:
chr = self.reader.read_char()
if chr == "\\":
chr2 = self.reader.read_char()
pattern += "/" if chr2 == "/" else "\\" + chr2
elif chr == "/":
break
else:
pattern += chr
modifiers = self.reader.read_modifiers(["g", "i"])
return exprs.RegexLiteral(pattern, "i" in modifiers, "g"
in modifiers)
elif self.reader.read_token("typeof"):
expr = self.expression_parser.parse(
self.expression_parser.prefix_precedence)
self.reader.expect_token("===")
check = self.reader.expect_string()
ts_type = None
if check == "string":
ts_type = "TsString"
elif check == "boolean":
ts_type = "TsBoolean"
elif check == "object":
ts_type = "Object"
elif check == "function":
# TODO: ???
ts_type = "Function"
elif check == "undefined":
# TODO: ???
ts_type = "Object"
else:
self.reader.fail("unexpected typeof comparison")
return exprs.InstanceOfExpression(
expr, astTypes.UnresolvedType(ts_type, []))
elif self.reader.peek_regex("\\([A-Za-z0-9_]+\\s*[:,]|\\(\\)") != None:
params = self.parse_lambda_params()
self.reader.expect_token("=>")
block = self.parse_lambda_block()
return types.Lambda(params, block)
elif self.reader.read_token("await"):
expression = self.parse_expression()
return exprs.AwaitExpression(expression)
map_literal = self.expression_parser.parse_map_literal()
if map_literal != None:
return map_literal
array_literal = self.expression_parser.parse_array_literal()
if array_literal != None:
return array_literal
return None