def setUp(self):
     Logger.init_logger(LoggingLevel.INFO)
     SymbolTable.initialize_symbol_table(ASTSourceLocation(start_line=0, start_column=0, end_line=0, end_column=0))
     PredefinedUnits.register_units()
     PredefinedTypes.register_types()
     PredefinedVariables.register_variables()
     PredefinedFunctions.register_functions()
 def test(self):
     for filename in os.listdir(
             os.path.realpath(
                 os.path.join(os.path.dirname(__file__),
                              os.path.join('..', 'models')))):
         if filename.endswith(".nestml"):
             input_file = FileStream(
                 os.path.join(
                     os.path.dirname(__file__),
                     os.path.join(os.path.join('..', 'models'), filename)))
             lexer = PyNestMLLexer(input_file)
             # create a token stream
             stream = CommonTokenStream(lexer)
             stream.fill()
             # parse the file
             parser = PyNestMLParser(stream)
             # process the comments
             compilation_unit = parser.nestMLCompilationUnit()
             # create a new visitor and return the new AST
             ast_builder_visitor = ASTBuilderVisitor(stream.tokens)
             ast = ast_builder_visitor.visit(compilation_unit)
             # update the corresponding symbol tables
             SymbolTable.initialize_symbol_table(ast.get_source_position())
             symbol_table_visitor = ASTSymbolTableVisitor()
             for neuron in ast.get_neuron_list():
                 neuron.accept(symbol_table_visitor)
                 SymbolTable.add_neuron_scope(name=neuron.get_name(),
                                              scope=neuron.get_scope())
             self.assertTrue(isinstance(ast, ASTNestMLCompilationUnit))
     return
 def test(self):
     for filename in os.listdir(os.path.realpath(os.path.join(os.path.dirname(__file__),
                                                              os.path.join('..', 'models')))):
         if filename.endswith(".nestml"):
             input_file = FileStream(
                 os.path.join(os.path.dirname(__file__), os.path.join(os.path.join('..', 'models'), filename)))
             lexer = PyNestMLLexer(input_file)
             # create a token stream
             stream = CommonTokenStream(lexer)
             stream.fill()
             # parse the file
             parser = PyNestMLParser(stream)
             # process the comments
             compilation_unit = parser.nestMLCompilationUnit()
             # create a new visitor and return the new AST
             ast_builder_visitor = ASTBuilderVisitor(stream.tokens)
             ast = ast_builder_visitor.visit(compilation_unit)
             # update the corresponding symbol tables
             SymbolTable.initialize_symbol_table(ast.get_source_position())
             symbol_table_visitor = ASTSymbolTableVisitor()
             for neuron in ast.get_neuron_list():
                 neuron.accept(symbol_table_visitor)
                 SymbolTable.add_neuron_scope(name=neuron.get_name(), scope=neuron.get_scope())
             self.assertTrue(isinstance(ast, ASTNestMLCompilationUnit))
     return
Example #4
0
 def update_symbol_table(self, neuron, kernel_buffers):
     """
     Update symbol table and scope.
     """
     SymbolTable.delete_neuron_scope(neuron.get_name())
     symbol_table_visitor = ASTSymbolTableVisitor()
     symbol_table_visitor.after_ast_rewrite_ = True
     neuron.accept(symbol_table_visitor)
     SymbolTable.add_neuron_scope(neuron.get_name(), neuron.get_scope())
    def setUp(self):
        PredefinedUnits.register_units()
        PredefinedTypes.register_types()
        PredefinedFunctions.register_functions()
        PredefinedVariables.register_variables()
        SymbolTable.initialize_symbol_table(ASTSourceLocation(start_line=0, start_column=0, end_line=0, end_column=0))
        Logger.init_logger(LoggingLevel.INFO)

        self.target_path = str(os.path.realpath(os.path.join(os.path.dirname(__file__), os.path.join(
            os.pardir, 'target'))))
Example #6
0
    def setUp(self) -> None:
        PredefinedUnits.register_units()
        PredefinedTypes.register_types()
        PredefinedFunctions.register_functions()
        PredefinedVariables.register_variables()
        SymbolTable.initialize_symbol_table(ASTSourceLocation(start_line=0, start_column=0, end_line=0, end_column=0))
        Logger.init_logger(LoggingLevel.INFO)

        self.target_path = str(os.path.realpath(os.path.join(os.path.dirname(__file__),
                                                             os.path.join(os.pardir, 'target'))))
Example #7
0
from pynestml.generated.PyNestMLLexer import PyNestMLLexer
from pynestml.generated.PyNestMLParser import PyNestMLParser
from pynestml.symbol_table.symbol_table import SymbolTable
from pynestml.symbols.predefined_functions import PredefinedFunctions
from pynestml.symbols.predefined_types import PredefinedTypes
from pynestml.symbols.predefined_units import PredefinedUnits
from pynestml.symbols.predefined_variables import PredefinedVariables
from pynestml.utils.logger import LoggingLevel, Logger
from pynestml.visitors.ast_builder_visitor import ASTBuilderVisitor

# setups the infrastructure
PredefinedUnits.register_units()
PredefinedTypes.register_types()
PredefinedFunctions.register_functions()
PredefinedVariables.register_variables()
SymbolTable.initialize_symbol_table(
    ASTSourceLocation(start_line=0, start_column=0, end_line=0, end_column=0))
Logger.init_logger(LoggingLevel.INFO)


class ASTBuildingTest(unittest.TestCase):
    def test(self):
        for filename in os.listdir(
                os.path.realpath(
                    os.path.join(os.path.dirname(__file__),
                                 os.path.join('..', 'models')))):
            if filename.endswith(".nestml"):
                print('Start creating AST for ' + filename + ' ...'),
                input_file = FileStream(
                    os.path.join(
                        os.path.dirname(__file__),
                        os.path.join(os.path.join('..', 'models'), filename)))
from pynestml.meta_model.ast_source_location import ASTSourceLocation
from pynestml.symbol_table.symbol_table import SymbolTable
from pynestml.symbols.predefined_functions import PredefinedFunctions
from pynestml.symbols.predefined_types import PredefinedTypes
from pynestml.symbols.predefined_units import PredefinedUnits
from pynestml.symbols.predefined_variables import PredefinedVariables
from pynestml.utils.ast_nestml_printer import ASTNestMLPrinter
from pynestml.utils.logger import LoggingLevel, Logger
from pynestml.utils.model_parser import ModelParser

# setups the infrastructure
PredefinedUnits.register_units()
PredefinedTypes.register_types()
PredefinedFunctions.register_functions()
PredefinedVariables.register_variables()
SymbolTable.initialize_symbol_table(ASTSourceLocation(start_line=0, start_column=0, end_line=0, end_column=0))
Logger.init_logger(LoggingLevel.INFO)


class NestMLPrinterTest(unittest.TestCase):
    """
    Tests if the NestML printer works as intended.
    """

    def test_block_with_variables_with_comments(self):
        block = '\n' \
                '/* pre1\n' \
                '* pre2\n' \
                '*/\n' \
                'state: # in\n' \
                'end\n' \
Example #9
0
    def parse_model(cls, file_path=None):
        """
        Parses a handed over model and returns the meta_model representation of it.
        :param file_path: the path to the file which shall be parsed.
        :type file_path: str
        :return: a new ASTNESTMLCompilationUnit object.
        :rtype: ASTNestMLCompilationUnit
        """
        try:
            input_file = FileStream(file_path)
        except IOError:
            code, message = Messages.get_input_path_not_found(path=file_path)
            Logger.log_message(node=None, code=None, message=message,
                               error_position=None, log_level=LoggingLevel.ERROR)
            return
        code, message = Messages.get_start_processing_file(file_path)
        Logger.log_message(node=None, code=code, message=message, error_position=None, log_level=LoggingLevel.INFO)

        # create a lexer and hand over the input
        lexer = PyNestMLLexer()
        lexer.removeErrorListeners()
        lexer.addErrorListener(ConsoleErrorListener())
        lexerErrorListener = NestMLErrorListener()
        lexer.addErrorListener(lexerErrorListener)
        # lexer._errHandler = BailErrorStrategy()  # N.B. uncomment this line and the next to halt immediately on lexer errors
        # lexer._errHandler.reset(lexer)
        lexer.inputStream = input_file
        # create a token stream
        stream = CommonTokenStream(lexer)
        stream.fill()
        if lexerErrorListener._error_occurred:
            code, message = Messages.get_lexer_error()
            Logger.log_message(node=None, code=None, message=message,
                               error_position=None, log_level=LoggingLevel.ERROR)
            return
        # parse the file
        parser = PyNestMLParser(None)
        parser.removeErrorListeners()
        parser.addErrorListener(ConsoleErrorListener())
        parserErrorListener = NestMLErrorListener()
        parser.addErrorListener(parserErrorListener)
        # parser._errHandler = BailErrorStrategy()	# N.B. uncomment this line and the next to halt immediately on parse errors
        # parser._errHandler.reset(parser)
        parser.setTokenStream(stream)
        compilation_unit = parser.nestMLCompilationUnit()
        if parserErrorListener._error_occurred:
            code, message = Messages.get_parser_error()
            Logger.log_message(node=None, code=None, message=message,
                               error_position=None, log_level=LoggingLevel.ERROR)
            return

        # create a new visitor and return the new AST
        ast_builder_visitor = ASTBuilderVisitor(stream.tokens)
        ast = ast_builder_visitor.visit(compilation_unit)

        # create and update the corresponding symbol tables
        SymbolTable.initialize_symbol_table(ast.get_source_position())
        for neuron in ast.get_neuron_list():
            neuron.accept(ASTSymbolTableVisitor())
            SymbolTable.add_neuron_scope(neuron.get_name(), neuron.get_scope())

        # store source paths
        for neuron in ast.get_neuron_list():
            neuron.file_path = file_path
        ast.file_path = file_path

        return ast
Example #10
0
    def parse_model(cls, file_path=None):
        """
        Parses a handed over model and returns the meta_model representation of it.
        :param file_path: the path to the file which shall be parsed.
        :type file_path: str
        :return: a new ASTNESTMLCompilationUnit object.
        :rtype: ASTNestMLCompilationUnit
        """
        try:
            input_file = FileStream(file_path)
        except IOError:
            code, message = Messages.get_input_path_not_found(path=file_path)
            Logger.log_message(neuron=None, code=None, message=message, error_position=None, log_level=LoggingLevel.ERROR)
            return
        code, message = Messages.get_start_processing_file(file_path)
        Logger.log_message(neuron=None, code=code, message=message, error_position=None, log_level=LoggingLevel.INFO)

        # create a lexer and hand over the input
        lexer = PyNestMLLexer()
        lexer.removeErrorListeners()
        lexer.addErrorListener(ConsoleErrorListener())
        lexerErrorListener = NestMLErrorListener()
        lexer.addErrorListener(lexerErrorListener)
        # lexer._errHandler = BailErrorStrategy()  # N.B. uncomment this line and the next to halt immediately on lexer errors
        # lexer._errHandler.reset(lexer)
        lexer.inputStream = input_file
        # create a token stream
        stream = CommonTokenStream(lexer)
        stream.fill()
        if lexerErrorListener._error_occurred:
            code, message = Messages.get_lexer_error()
            Logger.log_message(neuron=None, code=None, message=message, error_position=None, log_level=LoggingLevel.ERROR)
            return
        # parse the file
        parser = PyNestMLParser(None)
        parser.removeErrorListeners()
        parser.addErrorListener(ConsoleErrorListener())
        parserErrorListener = NestMLErrorListener()
        parser.addErrorListener(parserErrorListener)
        # parser._errHandler = BailErrorStrategy()	# N.B. uncomment this line and the next to halt immediately on parse errors
        # parser._errHandler.reset(parser)
        parser.setTokenStream(stream)
        compilation_unit = parser.nestMLCompilationUnit()
        if parserErrorListener._error_occurred:
            code, message = Messages.get_parser_error()
            Logger.log_message(neuron=None, code=None, message=message, error_position=None, log_level=LoggingLevel.ERROR)
            return

        # create a new visitor and return the new AST
        ast_builder_visitor = ASTBuilderVisitor(stream.tokens)
        ast = ast_builder_visitor.visit(compilation_unit)

        # create and update the corresponding symbol tables
        SymbolTable.initialize_symbol_table(ast.get_source_position())
        log_to_restore = copy.deepcopy(Logger.get_log())
        counter = Logger.curr_message

        # replace all derived variables through a computer processable names: e.g. g_in''' -> g_in__ddd
        restore_differential_order = []
        for ode in ASTUtils.get_all(ast, ASTOdeEquation):
            lhs_variable = ode.get_lhs()
            if lhs_variable.get_differential_order() > 0:
                lhs_variable.differential_order = lhs_variable.get_differential_order() - 1
                restore_differential_order.append(lhs_variable)

        for shape in ASTUtils.get_all(ast, ASTOdeShape):
            lhs_variable = shape.get_variable()
            if lhs_variable.get_differential_order() > 0:
                lhs_variable.differential_order = lhs_variable.get_differential_order() - 1
                restore_differential_order.append(lhs_variable)

        # than replace remaining variables
        for variable in ASTUtils.get_all(ast, ASTVariable):
            if variable.get_differential_order() > 0:
                variable.set_name(variable.get_name() + "__" + "d" * variable.get_differential_order())
                variable.differential_order = 0

        # now also equations have no ' at lhs. replace every occurrence of last d to ' to compensate
        for ode_variable in restore_differential_order:
            ode_variable.differential_order = 1
        Logger.set_log(log_to_restore, counter)
        for neuron in ast.get_neuron_list():
            neuron.accept(ASTSymbolTableVisitor())
            SymbolTable.add_neuron_scope(neuron.get_name(), neuron.get_scope())
        return ast