# Path: luz_asm_sim/lib/asmlib/asmparser.py
# class ParseError(Exception): pass
# class AsmParser(object):
#     def __init__(self, yacctab='parsetab'):
#     def parse(self, text):
#     def _lex_error_func(self, msg):
#     def p_asm_file(self, p):
#     def p_asm_line_1(self, p):
#     def p_asm_line_2(self, p):
#     def p_empty_line(self, p):
#     def p_directive_1(self, p):
#     def p_directive_2(self, p):
#     def p_instruction_1(self, p):
#     def p_instruction_2(self, p):
#     def p_label_def(self, p):
#     def p_arguments_opt(self, p):
#     def p_arguments_1(self, p):
#     def p_arguments_2(self, p):
#     def p_argument_1(self, p):
#     def p_argument_2(self, p):
#     def p_argument_3(self, p):
#     def p_argument_4(self, p):
#     def p_argument_5(self, p):
#     def p_number(self, p):
#     def p_error(self, p):
# 
# Path: luz_asm_sim/lib/asmlib/asm_common_types.py

# 
# Path: luz_asm_sim/lib/asmlib/asm_instructions.py
# class InstructionError(Exception): pass
# 
# def instruction_exists(name):
#     """ Does such an instruction exist ?
#     """
#     return name in _INSTR
# 
# def instruction_length(name):
#     """ The length of an instruction, in bytes.
#     """
#     return _INSTR[name]['len']
# 
# def assemble_instruction(name, args, addr, symtab, defines):
#     """ Assembles the instruction.
# 
#         name:
#             The instruction name.
# 
#         args:
#             The arguments passed to the instruction.
# 
#         addr:
#             A (segment, addr) pair, specifying the location into
#             which the instruction is assembled.
# 
#         symtab:
#             The label symbol table from the first pass of the
#             assembler.
# 
#         defines:
#             A table of constants defined by the .define directive
# 
#         Returns an array of AssembledInstruction objects (most
#         instructions assemble into a single AssembledInstruction,
#         but some pseudo-instructions produce more than one).
# 
#         Throws InstructionError for errors in the instruction.
#     """
#     if not instruction_exists(name):
#         raise InstructionError('Unknown instruction %s' % name)
# 
#     instr = _INSTR[name]
# 
#     if not instr['nargs'] == len(args):
#         raise InstructionError('%s expected %d arguments' % (
#                 name, instr['nargs']))
# 
#     asm_instr = instr['func'](args, addr, symtab, defines)
# 
#     if isinstance(asm_instr, list):
#         return asm_instr
#     else:
#         return [asm_instr]
# 
# Path: luz_asm_sim/lib/asmlib/objectfile.py
# class ObjectFile(object):
#     """ Use one of the factory methods to create ObjectFile
#         instances: from_assembler, from_file
# 
#         The name of the object can be accessed via the .name
#         attribute.
#     """
#     def __init__(self):
#         self.seg_data = {}
#         self.export_table = []
#         self.import_table = []
#         self.reloc_table = []
# 
#         self.name = None
# 
#     @classmethod
#     def from_assembler( cls,
#                         seg_data,
#                         export_table,
#                         import_table,
#                         reloc_table):
#         """ Create a new ObjectFile from assembler-generated data
#             structures.
#         """
#         obj = cls()
#         assert isinstance(seg_data, dict)
#         for table in (export_table, import_table, reloc_table):
#             assert isinstance(table, list)
# 
#         obj.seg_data = seg_data
#         obj.export_table = export_table
#         obj.import_table = import_table
#         obj.reloc_table = reloc_table
#         return obj
# 
#     @classmethod
#     def from_file(cls, file):
#         """ 'file' is either a filename (a String), or a readable
#             IO object.
#         """
#         pass


import pprint, os, sys
from collections import defaultdict
from ..commonlib.utils import word2bytes, num_fits_in_nbits, unpack_bytes
from .asmparser import (
    AsmParser, Instruction, Directive, Id, Number, String)
from .asm_common_types import (
    SegAddr, ExportEntry, ImportEntry, RelocEntry)
from .asm_instructions import (
    InstructionError, instruction_exists, instruction_length,
    assemble_instruction)
from .objectfile import ObjectFile
                    # They don't have to be added to addr_imf
                    # either
                    #
                    pass
                elif instruction_exists(line.name):
                    addr_imf.append((saddr, line))
                    seg_addr[cur_seg] += instruction_length(line.name)
                else:
                    self._assembly_error("unknown instruction '%s'" % line.name, line.lineno)
            elif isinstance(line, Directive):
                if cur_seg and line.name != '.segment':
                    addr_imf.append((saddr, line))

                if line.name == '.segment':
                    # Switch to the segment named in the
                    # directive. If it's a new segment, its
                    # address count starts at 0.
                    #
                    self._validate_args(line, [Id])
                    cur_seg = line.args[0].id
                    if not cur_seg in seg_addr:
                        seg_addr[cur_seg] = 0
                elif line.name == '.word':
                    nargs = len(line.args)
                    seg_addr[cur_seg] += nargs * 4
                elif line.name == '.byte':
                    nargs = len(line.args)
                    addr = seg_addr[cur_seg] + nargs
                    seg_addr[cur_seg] = self._align_at_next_word(addr)
                elif line.name == '.alloc':

# Path: luz_asm_sim/lib/asmlib/asmparser.py
# class ParseError(Exception): pass
# class AsmParser(object):
#     def __init__(self, yacctab='parsetab'):
#     def parse(self, text):
#     def _lex_error_func(self, msg):
#     def p_asm_file(self, p):
#     def p_asm_line_1(self, p):
#     def p_asm_line_2(self, p):
#     def p_empty_line(self, p):
#     def p_directive_1(self, p):
#     def p_directive_2(self, p):
#     def p_instruction_1(self, p):
#     def p_instruction_2(self, p):
#     def p_label_def(self, p):
#     def p_arguments_opt(self, p):
#     def p_arguments_1(self, p):
#     def p_arguments_2(self, p):
#     def p_argument_1(self, p):
#     def p_argument_2(self, p):
#     def p_argument_3(self, p):
#     def p_argument_4(self, p):
#     def p_argument_5(self, p):
#     def p_number(self, p):
#     def p_error(self, p):
# 
# Path: luz_asm_sim/lib/asmlib/asm_common_types.py

# 
# Path: luz_asm_sim/lib/asmlib/asm_instructions.py
# class InstructionError(Exception): pass
# 
# def instruction_exists(name):
#     """ Does such an instruction exist ?
#     """
#     return name in _INSTR
# 
# def instruction_length(name):
#     """ The length of an instruction, in bytes.
#     """
#     return _INSTR[name]['len']
# 
# def assemble_instruction(name, args, addr, symtab, defines):
#     """ Assembles the instruction.
# 
#         name:
#             The instruction name.
# 
#         args:
#             The arguments passed to the instruction.
# 
#         addr:
#             A (segment, addr) pair, specifying the location into
#             which the instruction is assembled.
# 
#         symtab:
#             The label symbol table from the first pass of the
#             assembler.
# 
#         defines:
#             A table of constants defined by the .define directive
# 
#         Returns an array of AssembledInstruction objects (most
#         instructions assemble into a single AssembledInstruction,
#         but some pseudo-instructions produce more than one).
# 
#         Throws InstructionError for errors in the instruction.
#     """
#     if not instruction_exists(name):
#         raise InstructionError('Unknown instruction %s' % name)
# 
#     instr = _INSTR[name]
# 
#     if not instr['nargs'] == len(args):
#         raise InstructionError('%s expected %d arguments' % (
#                 name, instr['nargs']))
# 
#     asm_instr = instr['func'](args, addr, symtab, defines)
# 
#     if isinstance(asm_instr, list):
#         return asm_instr
#     else:
#         return [asm_instr]
# 
# Path: luz_asm_sim/lib/asmlib/objectfile.py
# class ObjectFile(object):
#     """ Use one of the factory methods to create ObjectFile
#         instances: from_assembler, from_file
# 
#         The name of the object can be accessed via the .name
#         attribute.
#     """
#     def __init__(self):
#         self.seg_data = {}
#         self.export_table = []
#         self.import_table = []
#         self.reloc_table = []
# 
#         self.name = None
# 
#     @classmethod
#     def from_assembler( cls,
#                         seg_data,
#                         export_table,
#                         import_table,
#                         reloc_table):
#         """ Create a new ObjectFile from assembler-generated data
#             structures.
#         """
#         obj = cls()
#         assert isinstance(seg_data, dict)
#         for table in (export_table, import_table, reloc_table):
#             assert isinstance(table, list)
# 
#         obj.seg_data = seg_data
#         obj.export_table = export_table
#         obj.import_table = import_table
#         obj.reloc_table = reloc_table
#         return obj
# 
#     @classmethod
#     def from_file(cls, file):
#         """ 'file' is either a filename (a String), or a readable
#             IO object.
#         """
#         pass


# Path: luz_asm_sim/lib/asmlib/assembler.py
import pprint, os, sys
from collections import defaultdict
from ..commonlib.utils import word2bytes, num_fits_in_nbits, unpack_bytes
from .asmparser import (
    AsmParser, Instruction, Directive, Id, Number, String)
from .asm_common_types import (
    SegAddr, ExportEntry, ImportEntry, RelocEntry)
from .asm_instructions import (
    InstructionError, instruction_exists, instruction_length,
    assemble_instruction)
from .objectfile import ObjectFile

                    # They don't have to be added to addr_imf
                    # either
                    #
                    pass
                elif instruction_exists(line.name):
                    addr_imf.append((saddr, line))
                    seg_addr[cur_seg] += instruction_length(line.name)
                else:
                    self._assembly_error("unknown instruction '%s'" % line.name, line.lineno)
            elif isinstance(line, Directive):
                if cur_seg and line.name != '.segment':
                    addr_imf.append((saddr, line))

                if line.name == '.segment':
                    # Switch to the segment named in the
                    # directive. If it's a new segment, its
                    # address count starts at 0.
                    #
                    self._validate_args(line, [Id])
                    cur_seg = line.args[0].id
                    if not cur_seg in seg_addr:
                        seg_addr[cur_seg] = 0
                elif line.name == '.word':
                    nargs = len(line.args)
                    seg_addr[cur_seg] += nargs * 4
                elif line.name == '.byte':
                    nargs = len(line.args)
                    addr = seg_addr[cur_seg] + nargs
                    seg_addr[cur_seg] = self._align_at_next_word(addr)
                elif line.name == '.alloc':

                    self._validate_args(line, [Number])