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langs a-z

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Ingy döt Net 2013-04-10 22:43:41 -07:00
parent db842d013d
commit d066446780
11389 changed files with 98361 additions and 1020 deletions
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Task/Metaprogramming/Rascal/metaprogramming-3.rascal Normal file
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public data TYPE =
natural() | string();
public alias PicoId = str;
public data PROGRAM =
program(list[DECL] decls, list[STATEMENT] stats);
public data DECL =
decl(PicoId name, TYPE tp);
public data EXP =
id(PicoId name)
| natCon(int iVal)
| strCon(str sVal)
| add(EXP left, EXP right)
| sub(EXP left, EXP right)
| conc(EXP left, EXP right)
;
public data STATEMENT =
asgStat(PicoId name, EXP exp)
| ifElseStat(EXP exp, list[STATEMENT] thenpart, list[STATEMENT] elsepart)
| ifThenStat(EXP exp, list[STATEMENT] thenpart)
| whileStat(EXP exp, list[STATEMENT] body)
| doUntilStat(EXP exp, list[STATEMENT] body)
| unlessStat(EXP exp, list[STATEMENT] body)
;