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62 |
62 |
63 \item What is the difference between a parse tree and an abstract |
63 \item What is the difference between a parse tree and an abstract |
64 syntax tree? Give some simple examples for each of them. |
64 syntax tree? Give some simple examples for each of them. |
65 |
65 |
66 |
66 |
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67 \item Give a description of how the Brzozowski matcher works. |
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68 The description should be coherent and logical. |
67 |
69 |
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70 \item Give a description of how a compiler for the While-language can |
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71 be implemented. You should assume you are producing code for the JVM. |
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72 The description should be coherent and logical. |
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73 |
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74 |
68 \item \POSTSCRIPT |
75 \item \POSTSCRIPT |
69 |
76 |
70 % \item It is true (I confirmed it) that |
77 % \item It is true (I confirmed it) that |
71 % |
78 % |
72 % \begin{center} if $\varnothing$ does not occur in $r$ |
79 % \begin{center} if $\varnothing$ does not occur in $r$ |