Compiler/syntax analyzer: Difference between revisions
→{{header|RATFOR}}
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{{out}}
To compile and run with gfortran on a POSIX system:
<pre>$ ratfor77 parse-in-ratfor.r > parse-in-ratfor.f && gfortran -O2 -fcheck=all -std=legacy parse-in-ratfor.f && ./a.out < compiler-tests/primes.lex</pre>
To use f2c instead of gfortran:
<pre>ratfor77 parse-in-ratfor.r > parse-in-ratfor.f && f2c -C -Nc40 parse-in-ratfor.f && cc -O parse-in-ratfor.c -lf2c && ./a.out < compiler-tests/primes.lex</pre>
The output should be:
<pre>Sequence
Sequence
Sequence
Sequence
Sequence
;
Assign
Identifier count
Integer 1
Assign
Identifier n
Integer 1
Assign
Identifier limit
Integer 100
While
Less
Identifier n
Identifier limit
Sequence
Sequence
Sequence
Sequence
Sequence
;
Assign
Identifier k
Integer 3
Assign
Identifier p
Integer 1
Assign
Identifier n
Add
Identifier n
Integer 2
While
And
LessEqual
Multiply
Identifier k
Identifier k
Identifier n
Identifier p
Sequence
Sequence
;
Assign
Identifier p
NotEqual
Multiply
Divide
Identifier n
Identifier k
Identifier k
Identifier n
Assign
Identifier k
Add
Identifier k
Integer 2
If
Identifier p
If
Sequence
Sequence
;
Sequence
Sequence
;
Prti
Identifier n
;
Prts
String " is prime\n"
;
Assign
Identifier count
Add
Identifier count
Integer 1
;
Sequence
Sequence
Sequence
;
Prts
String "Total primes found: "
;
Prti
Identifier count
;
Prts
String "\n"
;</pre>
=={{header|Scala}}==
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