def p_init(self, p):
"""init : const_expressions COMMA const_expression SEMICOLON
| const_expression SEMICOLON"""
if len(p) == 3:
p[0] = TreeNode('const_expression', children=[p[1]])
else:
p[0] = TreeNode('const_expressions', children=[p[1], p[3]])
def p_until_error(self, p):
"""until : UNTIL error NEWLINE statements ENDU
| UNTIL bool_expression NEWLINE statements error
| UNTIL bool_expression statements ENDU
| UNTIL error NEWLINE func_body_statements ENDU
| UNTIL bool_expression NEWLINE func_body_statements error
| UNTIL bool_expression func_body_statements ENDU
| until error"""
if len(p) == 6:
p[0] = TreeNode('until_error',
value='Until error',
children={'body': p[4]},
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Error in \'until\'!\n')
elif len(p) == 5:
p[0] = TreeNode('until_error',
value='Until error',
children={'body': p[3]},
lineno=p.lineno(1),
lexpos=p.lexpos(1))
try:
sys.stderr.write(f'Error at {p.lineno(1)} line\n')
except:
sys.stderr.write(f'Error\n')
sys.stderr.write(f'==> Condition and body are on the same line!\n')
self.ok = False
else:
p[0] = TreeNode('until_error',
value='While error',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Error in \'until\'!\n')
def p_variant(self, p):
"""variant : NAME
| NAME varsize
| PARAM
| PARAM varsize"""
if len(p) == 2 and p[1] == 'PARAM':
p[0] = TreeNode('func_param',
value=p[1],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
elif p[1] == 'PARAM':
p[0] = TreeNode('func_param',
value=p[1],
children=p[2],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
elif len(p) == 2:
p[0] = TreeNode('variant',
value=p[1],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
else:
p[0] = TreeNode('variant',
value=p[1],
children=p[2],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_init_list(self, p):
"""init_list : LBRACE inits RBRACE
| LBRACE RBRACE"""
if len(p) == 4:
p[0] = TreeNode('init_list', children=p[2])
else:
p[0] = TreeNode('empty_init_list',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_statements(self, p):
"""statements : statements statement
| statement"""
if len(p) == 2:
p[0] = TreeNode('statement', children=p[1])
else:
p[0] = TreeNode(
'statements',
children=[p[1], TreeNode('statement', children=p[2])])
def p_function(self, p):
"""function : FUNC NAME NEWLINE func_body_statements ENDFUNC"""
self._functions[p[2]] = TreeNode('function',
children={'body': p[4]},
lineno=p.lineno(1),
lexpos=p.lexpos(1))
p[0] = TreeNode('func_descriptor',
value=p[2],
lineno=p.lineno(1),
lexpos=p.lexpos(2))
def p_func_body_statements(self, p):
"""func_body_statements : func_body_statements func_body_statement
| func_body_statement"""
if len(p) == 2:
p[0] = TreeNode('func_body_statement', children=p[1])
else:
p[0] = TreeNode('func_body_statements',
children=[
p[1],
TreeNode('func_body_statement', children=p[2])
])
def p_function_call(self, p):
"""function_call : CALL NAME expression
| CALL NAME"""
if len(p) == 4:
p[0] = TreeNode('function_call',
value={'name': p[2]},
children=p[3],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
else:
p[0] = TreeNode('function_call',
value={'name': p[2]},
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_string_math_expression(self, p):
"""string_math_expression : string_expression PLUS string_expression
| MINUS string_expression"""
if len(p) == 3:
p[0] = TreeNode('unar_op',
value=p[1],
children=p[2],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
else:
p[0] = TreeNode('bin_op',
value=p[2],
children=[p[1], p[3]],
lineno=p.lineno(2),
lexpos=p.lexpos(2))
def p_assignment(self, p):
"""assignment : variant ASSIGNMENT expression"""
p[0] = TreeNode('assignment',
value=p[1],
children=p[3],
lineno=p.lineno(2),
lexpos=p.lexpos(2))
def p_const_expression(self, p):
"""const_expression : const_math_expression
| const"""
p[0] = TreeNode('const_expression',
children=p[1],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_const_expressions(self, p):
"""const_expressions : const_expressions COMMA const_expression
| const_expression"""
if len(p) == 2:
p[0] = p[1]
else:
p[0] = TreeNode('const_expressions', children=[p[1], p[3]])
def p_inits(self, p):
"""inits : inits init
| init"""
if len(p) == 2:
p[0] = p[1]
else:
p[0] = TreeNode('inits', children=[p[1], p[2]])
def p_convert(self, p):
"""convert : CONVERT type TO type variant"""
p[0] = TreeNode('convert',
value=[p[2], p[4]],
children=p[5],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_digitize(self, p):
"""digitize : DIGITIZE type variant"""
p[0] = TreeNode('digitize',
value=p[2],
children=p[3],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_decl_error(self, p):
"""declaration : VARIANT error
| VARIANT variant ASSIGNMENT error
| declaration error"""
if len(p) == 3:
p[0] = TreeNode('error',
value='Declaration error',
lineno=p.lineno(2),
lexpos=p.lexpos(2))
sys.stderr.write(f'==> Error in variant declaration\n')
else:
p[0] = TreeNode('error',
value='Initialization error',
lineno=p.lineno(2),
lexpos=p.lexpos(2))
sys.stderr.write(f'==> Error in variant initialization\n')
def p_return_error(self, p):
"""return : RETURN error
| return error"""
p[0] = TreeNode('return_error',
value='Return error',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Error in return!\n')
def p_command_error(self, p):
"""command : COMMAND error
| command error"""
p[0] = TreeNode('error',
value='Command error',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Error in a command!\n')
def p_digitize_error(self, p):
"""digitize : DIGITIZE error
| digitize error"""
p[0] = TreeNode('error',
value='Digitize error',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Error in digitize!\n')
def p_varsize(self, p):
"""varsize : LSQBRACKET decimal_expression RSQBRACKET
| LSQBRACKET decimal_expression COMMA decimal_expression RSQBRACKET
| LSQBRACKET RSQBRACKET"""
if len(p) == 4:
p[0] = TreeNode('varsize',
children=p[2],
lineno=p.lineno(2),
lexpos=p.lexpos(2))
elif len(p) == 3:
p[0] = TreeNode('empty_varsize',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
else:
p[0] = TreeNode('varsize',
children=[p[2], p[4]],
lineno=p.lineno(2),
lexpos=p.lexpos(2))
def p_assignment_error(self, p):
"""assignment : variant ASSIGNMENT error
| error ASSIGNMENT expression"""
p[0] = TreeNode('error',
value='Assignment error',
children=p[2],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Assignment error!\n')
def p_decimal_expression(self, p):
"""decimal_expression : dec_math_expression
| decimal_const
| variant
| function_call"""
p[0] = TreeNode('decimal_expression',
children=p[1],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_bool_expression(self, p):
"""bool_expression : bool_math_expression
| bool_const
| variant
| function_call"""
p[0] = TreeNode('bool_expression',
children=p[1],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_string_expression(self, p):
"""string_expression : string_math_expression
| string_const
| variant
| function_call"""
p[0] = TreeNode('string_expression',
children=p[1],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_expression(self, p):
"""expression : math_expression
| const
| variant
| function_call
| command"""
p[0] = TreeNode('expression',
children=p[1],
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_until(self, p):
"""until : UNTIL bool_expression NEWLINE statements ENDU
| UNTIL bool_expression NEWLINE func_body_statements ENDU"""
p[0] = TreeNode('until',
children={
'condition': p[2],
'body': p[4]
},
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_while(self, p):
"""while : WHILE bool_expression NEWLINE statements ENDW
| WHILE bool_expression NEWLINE func_body_statements ENDW"""
p[0] = TreeNode('while',
children={
'condition': p[2],
'body': p[4]
},
lineno=p.lineno(1),
lexpos=p.lexpos(1))
def p_convert_error(self, p):
"""convert : CONVERT type TO type error
| CONVERT type TO error
| CONVERT type error
| CONVERT error
| convert error"""
p[0] = TreeNode('error',
value='Convertation error',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Error in convertation!\n')
def p_varsize_error(self, p):
"""varsize : LSQBRACKET error RSQBRACKET
| LSQBRACKET error COMMA decimal_expression RSQBRACKET
| LSQBRACKET decimal_expression COMMA error RSQBRACKET
| LSQBRACKET error COMMA error RSQBRACKET
| varsize error"""
p[0] = TreeNode('error',
value='Variant size/index error',
lineno=p.lineno(1),
lexpos=p.lexpos(1))
sys.stderr.write(f'==> Error in variant size/index!\n')
def p_bool_const(self, p):
"""bool_const : TRUE
| FALSE"""
if p[1] == 'TRUE':
val = True
else:
val = False
p[0] = TreeNode('bool_const',
value=val,
lineno=p.lineno(1),
lexpos=p.lexpos(1))