Files
OSACA/osaca/parser/base_parser.py

62 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python3
class BaseParser(object):
# Identifiers for operand types
COMMENT_ID = 'comment'
DIRECTIVE_ID = 'directive'
IMMEDIATE_ID = 'immediate'
LABEL_ID = 'label'
MEMORY_ID = 'memory'
REGISTER_ID = 'register'
INSTRUCTION_ID = 'instruction'
OPERANDS_ID = 'operands'
def __init__(self):
self.construct_parser()
def parse_file(self, file_content, start_line=0):
'''
Parse assembly file. This includes *not* extracting of the marked kernel and
the parsing of the instruction forms.
:param str file_content: assembly code
:param int start_line: offset, if first line in file_content is meant to be not 1
:return: list of instruction forms
'''
# Create instruction form list
asm_instructions = []
lines = file_content.split('\n')
for i, line in enumerate(lines):
if line == '':
continue
asm_instructions.append(self.parse_line(line, i + 1 + start_line))
return asm_instructions
def parse_line(self, line, line_number):
# Done in derived classes
raise NotImplementedError()
def parse_instruction(self, instruction):
# Done in derived classes
raise NotImplementedError()
def construct_parser(self):
raise NotImplementedError()
##################
# Helper functions
##################
def process_operand(self, operand):
raise NotImplementedError
def get_full_reg_name(self, register):
raise NotImplementedError
def normalize_imd(self, imd):
raise NotImplementedError
def is_reg_dependend_of(self, reg_a, reg_b):
raise NotImplementedError