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"""
Module containing Fortran2008 Block_Construct rule R807
"""

from fparser.two.Fortran2003 import Specification_Part, Execution_Part_Construct
from fparser.two.Fortran2008.block_stmt_r808 import Block_Stmt
from fparser.two.Fortran2008.end_block_stmt_r809 import End_Block_Stmt
from fparser.two.utils import BlockBase


class Block_Construct(BlockBase):
    """
    Fortran 2008 Rule 807.

    block-construct is block-stmt
                            [ specification-part ]
                            block
                            end-block-stmt

    TODO #394: Should disallow COMMON, EQUIVALENCE, IMPLICIT, INTENT,
    NAMELIST, OPTIONAL, VALUE, and statement functions (C806) (which are all
    valid members of Specification_Part).
    """

    subclass_names = []
    use_names = [
        "Block_Stmt",
        "Specification_Part",
        "Execution_Part_Construct",
        "End_Block_Stmt",
    ]

    @staticmethod
    def match(reader):
        return BlockBase.match(
            Block_Stmt,
            [Specification_Part, Execution_Part_Construct],
            End_Block_Stmt,
            reader,
            match_names=True,  # C810
            strict_match_names=True,  # C810
        )
