Compiler/lexical analyzer: Difference between revisions
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</pre> |
</pre> |
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=={{header|kotlin}}== |
=={{header|kotlin}}== |
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{{trans|Java}} |
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<lang kotlin>// Input: command line argument of file to process or console input. A two or |
<lang kotlin>// Input: command line argument of file to process or console input. A two or |
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// three character console input of digits followed by a new line will be |
// three character console input of digits followed by a new line will be |
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Lexer( |
Lexer( |
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"""/* |
"""/* |
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All lexical tokens - not syntactically correct, but that will |
All lexical tokens - not syntactically correct, but that will |
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have to wait until syntax analysis |
have to wait until syntax analysis |
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*/ |
*/ |
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/* Print */ print /* Sub */ - |
/* Print */ print /* Sub */ - |
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/* Putc */ putc /* Lss */ < |
/* Putc */ putc /* Lss */ < |
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/* If */ if /* Gtr */ > |
/* If */ if /* Gtr */ > |
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/* Else */ else /* Leq */ <= |
/* Else */ else /* Leq */ <= |
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/* While */ while /* Geq */ >= |
/* While */ while /* Geq */ >= |
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/* Lbrace */ { /* Eq */ == |
/* Lbrace */ { /* Eq */ == |
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/* Rbrace */ } /* Neq */ != |
/* Rbrace */ } /* Neq */ != |
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/* Lparen */ ( /* And */ && |
/* Lparen */ ( /* And */ && |
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/* Rparen */ ) /* Or */ || |
/* Rparen */ ) /* Or */ || |
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/* Uminus */ - /* Semi */ ; |
/* Uminus */ - /* Semi */ ; |
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/* Not */ ! /* Comma */ , |
/* Not */ ! /* Comma */ , |
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/* Mul */ * /* Assign */ = |
/* Mul */ * /* Assign */ = |
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/* Div */ / /* Integer */ 42 |
/* Div */ / /* Integer */ 42 |
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/* Mod */ % /* String */ "String literal" |
/* Mod */ % /* String */ "String literal" |
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/* Add */ + /* Ident */ variable_name |
/* Add */ + /* Ident */ variable_name |
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/* character literal */ '\n' |
/* character literal */ '\n' |
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/* character literal */ '\\' |
/* character literal */ '\\' |
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/* character literal */ ' '""").printTokens() |
/* character literal */ ' '""").printTokens() |
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} // symbols |
} // symbols |
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"""count = 1; |
"""count = 1; |
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while (count < 10) { |
while (count < 10) { |
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print("count is: ", count, "\n"); |
print("count is: ", count, "\n"); |
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count = count + 1; |
count = count + 1; |
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}""").printTokens() |
}""").printTokens() |
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} // count |
} // count |
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i = 1; |
i = 1; |
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while (i * i <= 100) { |
while (i * i <= 100) { |
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print("door ", i * i, " is open\n"); |
print("door ", i * i, " is open\n"); |
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i = i + 1; |
i = i + 1; |
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}""").printTokens() |
}""").printTokens() |
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} // doors |
} // doors |
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while (b != 0) { |
while (b != 0) { |
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new_a = b; |
new_a = b; |
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b = a % b; |
b = a % b; |
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a = new_a; |
a = new_a; |
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} |
} |
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print(a);""").printTokens() |
print(a);""").printTokens() |
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i = 1; |
i = 1; |
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while (i <= n) { |
while (i <= n) { |
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result = result * i; |
result = result * i; |
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i = i + 1; |
i = i + 1; |
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} |
} |
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print(result);""").printTokens() |
print(result);""").printTokens() |
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b = 1; |
b = 1; |
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while (i < n) { |
while (i < n) { |
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w = a + b; |
w = a + b; |
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a = b; |
a = b; |
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b = w; |
b = w; |
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i = i + 1; |
i = i + 1; |
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} |
} |
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print(w, "\n");""").printTokens() |
print(w, "\n");""").printTokens() |
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i = 1; |
i = 1; |
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while (i <= 100) { |
while (i <= 100) { |
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if (!(i % 15)) |
if (!(i % 15)) |
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print("FizzBuzz"); |
print("FizzBuzz"); |
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else if (!(i % 3)) |
else if (!(i % 3)) |
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print("Fizz"); |
print("Fizz"); |
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else if (!(i % 5)) |
else if (!(i % 5)) |
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print("Buzz"); |
print("Buzz"); |
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else |
else |
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print(i); |
print(i); |
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print("\n"); |
print("\n"); |
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i = i + 1; |
i = i + 1; |
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}""").printTokens() |
}""").printTokens() |
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} // fizzbuzz |
} // fizzbuzz |
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bottles = 99; |
bottles = 99; |
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while (bottles > 0) { |
while (bottles > 0) { |
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print(bottles, " bottles of beer on the wall\n"); |
print(bottles, " bottles of beer on the wall\n"); |
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print(bottles, " bottles of beer\n"); |
print(bottles, " bottles of beer\n"); |
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print("Take one down, pass it around\n"); |
print("Take one down, pass it around\n"); |
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bottles = bottles - 1; |
bottles = bottles - 1; |
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print(bottles, " bottles of beer on the wall\n\n"); |
print(bottles, " bottles of beer on the wall\n\n"); |
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}""").printTokens() |
}""").printTokens() |
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} // bottles |
} // bottles |
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} // try |
} // try |
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} // main</lang> |
} // main</lang> |
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{{out|case=test case 3}} |
{{out|case=test case 3: All Symbols}} |
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<b> |
<b> |
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<pre> |
<pre> |
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