XPost: alt.folklore.computers   
   From: OFeem1987@teleworm.us   
      
   Waldek Hebisch wrote this post by blinking in Morse code:   
      
   > In alt.folklore.computers c186282  wrote:   
   >    
   >>   Hmm ... look at all the GNU 'compilers' -   
   >>   FORTRAN, COBOL, Ada, 'D', M2, Rust,C++,   
   >>   G++, even Algol-68. None are 'compilers'   
   >>   per-se, but to-'C' TRANSLATORS. So, 'C',   
   >>   pretty much All Are One And One Is All.   
   >   
   > No.  Compiler as first stage translate given language to a   
   > common representation.  This representatiton is different   
   > than C.  Ada and GNU Pascal have parametrized types, there   
   > is nothing like that in C.   
   >   
   >    
   >   
   > C++ (and some other languages)   
   > have exceptions, C do not have them.   
      
   What about setjmp()/longjmp() ?   
      
   >    
   >   
   > There are several   
   > smaller things, for example Ada or Pascal modulo is different   
   > that C/Fortran modulo.  During optimization passes gcc   
   > keeps such information, to allow better optimization and   
   > error reporting.   
   >   
   > There were/are compilers that work by translating to C.  But   
   > this has limitations: generated code typically is worse because   
   > language specific information is lost in translation.  Error   
   > reporting is worse because translator is not doing as many   
   > analyzes as gcc do.  For those reasons compilers in gcc   
   > generate common representation which contains sum of features   
   > of all supported languages and not C.   
      
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