def function_declaration(self):
"""
Expanding Rule 16:
FunctionDeclaration -> FunctionHeading ";" Block ";"
"""
if self.t_type() == 'MP_FUNCTION':
old_func_name = self.cur_func_name
func_sym_table = SymbolTable(self.cur_symbol_table)
func_sym_table.create()
self.cur_symbol_table = func_sym_table
self.sem_analyzer.sym_table = self.cur_symbol_table
Parser.print_tree('16')
self.function_heading()
func_sym_table.name = self.cur_func_name
self.match(';')
self.block()
self.match(';')
self.print_symbol_table("Function",func_sym_table)
self.cur_func_name = old_func_name
self.cur_symbol_table = self.cur_symbol_table.parent_table
func_sym_table.destroy()
else:
self.error('MP_FUNCTION')
def procedure_declaration(self):
"""
Expanding Rule 15:
ProcedureDeclaration -> ProcedureHeading ";" Block ";"
"""
if self.t_type() == 'MP_PROCEDURE':
old_proc_name = self.cur_proc_name
proc_sym_table = SymbolTable(self.cur_symbol_table)
proc_sym_table.create()
self.cur_symbol_table = proc_sym_table
self.sem_analyzer.sym_table = self.cur_symbol_table
Parser.print_tree('15')
self.procedure_heading()
proc_sym_table.name = self.cur_proc_name
self.match(';')
self.block()
self.match(';')
self.print_symbol_table("Procedure", proc_sym_table)
self.cur_symbol_table = self.cur_symbol_table.parent_table
self.cur_proc_name = old_proc_name
proc_sym_table.destroy()
else:
self.error('MP_PROCEDURE')