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Advanced Error Recovery during Top-Down Parsing
Obluková, Alena ; Kolář, Dušan (referee) ; Meduna, Alexandr (advisor)
Parser is one of the most important parts in compiler since Syntax-Directed Translation is often used. This approach means that parser controls semantic actions and generation of syntax tree. When the input contains an error, parser cannot continue and the whole compiler has to stop. Therefore, it is important to have parser with error recovery, so when error occurs parser is able to continue. There are several error-recovery strategies and methods. In this paper is described Acceptable-sets derived from continuations specifically continuation in LL parsers. However it is not so well known method it is easy to explain and to implement. It can be used in the lesson to demonstrate error recovery in top-down parser.
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Applications Source Code Improvement
Obluková, Alena ; Bartík, Vladimír (referee) ; Kreslíková, Jitka (advisor)
The problem discussed in this master's thesis is to increase the usability of aplication Classycle, especially to increase the comprehensibility of its outputs. Having studied theories of refactoring, testing, graphs and after thorough analysis of Classycle, it has been created new outputs of the application, displaying the output data in graphics form. The application has been tested with real-life data and it is ready to be deploy in company. Thanks to creation of new forms of outputs, which are discribed in practical part of master's thesis, programmer obtains a powerful tool for detection dependences between classes and packages in code.
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Applications Source Code Improvement
Obluková, Alena ; Bartík, Vladimír (referee) ; Kreslíková, Jitka (advisor)
The problem discussed in this master's thesis is to increase the usability of aplication Classycle, especially to increase the comprehensibility of its outputs. Having studied theories of refactoring, testing, graphs and after thorough analysis of Classycle, it has been created new outputs of the application, displaying the output data in graphics form. The application has been tested with real-life data and it is ready to be deploy in company. Thanks to creation of new forms of outputs, which are discribed in practical part of master's thesis, programmer obtains a powerful tool for detection dependences between classes and packages in code.
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Advanced Error Recovery during Top-Down Parsing
Obluková, Alena ; Kolář, Dušan (referee) ; Meduna, Alexandr (advisor)
Parser is one of the most important parts in compiler since Syntax-Directed Translation is often used. This approach means that parser controls semantic actions and generation of syntax tree. When the input contains an error, parser cannot continue and the whole compiler has to stop. Therefore, it is important to have parser with error recovery, so when error occurs parser is able to continue. There are several error-recovery strategies and methods. In this paper is described Acceptable-sets derived from continuations specifically continuation in LL parsers. However it is not so well known method it is easy to explain and to implement. It can be used in the lesson to demonstrate error recovery in top-down parser.
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