Exemple #1
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def p_start_while(p):
    '''start_while : WHILE'''
    global labelNum
    symboltable.block(1)
    print(";LABEL label" + str(labelNum))
    ll.insert("LABEL", "label" + str(labelNum), "", "")
    q.put(labelNum)
    stack.append("label" + str(labelNum))
    labelNum = labelNum + 1
Exemple #2
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def p_start_while(p):
    '''start_while : WHILE'''
    global labelNum
    symboltable.block(1)
    print(";LABEL label" + str(labelNum))
    ll.insert("LABEL", "label" + str(labelNum), "", "")
    q.put(labelNum)
    stack.append("label" + str(labelNum))
    labelNum = labelNum + 1
Exemple #3
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def p_end_while(p):
    '''end_while : ENDWHILE'''
    symboltable.block(0)
    temp = q.get()
    print(";JUMP label" + str(temp))
    ll.insert("JUMP", "label" + str(temp), "", "")
    global labelNum
    labelNum = labelNum + 1
    temp = q.get()
    print(";LABEL label" + str(temp))
    ll.insert("LABEL", "label" + str(temp), "", "")
Exemple #4
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def p_end_while(p):
    '''end_while : ENDWHILE'''
    symboltable.block(0)
    temp = q.get()
    print(";JUMP label" + str(temp))
    ll.insert("JUMP", "label" + str(temp), "", "")
    global labelNum
    labelNum = labelNum + 1
    temp = q.get()
    print(";LABEL label" + str(temp))
    ll.insert("LABEL", "label" + str(temp), "", "")
Exemple #5
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def p_start_else(p):
    '''start_else : ELSE'''
    global labelNum
    symboltable.block(1)
#    print(labelNum)
    print(";JUMP label"+ str(labelNum))
    ll.insert("JUMP", "label" + str(labelNum), "", "")
    temp = stack.pop()
    print(";LABEL label" + str(temp))
    ll.insert("LABEL", "label" + str(temp), "", "")
    stack.append(labelNum)
#    print(";LABEL label" + str(queue))
    labelNum = labelNum + 1
Exemple #6
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def p_start_else(p):
    '''start_else : ELSE'''
    global labelNum
    symboltable.block(1)
    #    print(labelNum)
    print(";JUMP label" + str(labelNum))
    ll.insert("JUMP", "label" + str(labelNum), "", "")
    temp = stack.pop()
    print(";LABEL label" + str(temp))
    ll.insert("LABEL", "label" + str(temp), "", "")
    stack.append(labelNum)
    #    print(";LABEL label" + str(queue))
    labelNum = labelNum + 1
Exemple #7
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def p_else_part(p):
    '''else_part : start_else decl stmt_list
    | empty'''
    global labelNum
    if len(p) > 3:
        symboltable.block(0)
Exemple #8
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def p_start_if(p):
    '''start_if : IF'''
    symboltable.block(1)
Exemple #9
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def p_if_stmt(p):
    '''if_stmt : start_if LPAREN cond RPAREN decl stmt_list else_part end_if'''
    symboltable.block(0)
Exemple #10
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def p_else_part(p):
    '''else_part : start_else decl stmt_list
    | empty'''
    global labelNum
    if len(p) > 3:
        symboltable.block(0)
Exemple #11
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def p_start_if(p):
    '''start_if : IF'''
    symboltable.block(1)
Exemple #12
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def p_if_stmt(p):
    '''if_stmt : start_if LPAREN cond RPAREN decl stmt_list else_part end_if'''
    symboltable.block(0)