Package edu.mit.csail.sdg.alloy4

Examples of edu.mit.csail.sdg.alloy4.ErrorFatal

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               String kn = p.getKey(), vn = open.args.get(i);
               i++;
               Sig vv=mod.getRawSIG(open.pos, vn);
               if (vv==null) {if (old==null) {missing=open; missingName=vn;} continue;}
               if (old==vv) continue;
               if (old!=null) throw new ErrorFatal(open.pos, "Internal error (module re-instantiated with different arguments)");
               if (vv==NONE) throw new ErrorSyntax(open.pos, "You cannot use \"none\" as an instantiating argument.");
               chg=true;
               p.setValue(vv);
               rep.parse("RESOLVE: "+(sub.path.length()==0?"this/":sub.path)+"/"+kn+" := "+vv+"\n");
            }
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            if (cmd.parent!=null || !cmd.getGrowableSigs().isEmpty()) return execute_greedyCommand(rep, sigs, cmd, opt);
            tr = new TranslateAlloyToKodkod(rep, opt, sigs, cmd);
            tr.makeFacts(cmd.formula);
            return tr.frame.solve(rep, cmd, new Simplifier(), false);
        } catch(UnsatisfiedLinkError ex) {
            throw new ErrorFatal("The required JNI library cannot be found: "+ex.toString().trim());
        } catch(CapacityExceededException ex) {
            throw rethrow(ex);
        } catch(HigherOrderDeclException ex) {
            Pos p = tr!=null ? tr.frame.kv2typepos(ex.decl().variable()).b : Pos.UNKNOWN;
            throw new ErrorType(p, "Analysis cannot be performed since it requires higher-order quantification that could not be skolemized.");
        } catch(Throwable ex) {
            if (ex instanceof Err) throw (Err)ex; else throw new ErrorFatal("Unknown exception occurred: "+ex, ex);
        }
    }
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            if (cmd.parent!=null || !cmd.getGrowableSigs().isEmpty()) return execute_greedyCommand(rep, sigs, cmd, opt);
            tr = new TranslateAlloyToKodkod(rep, opt, sigs, cmd);
            tr.makeFacts(cmd.formula);
            return tr.frame.solve(rep, cmd, new Simplifier(), true);
        } catch(UnsatisfiedLinkError ex) {
            throw new ErrorFatal("The required JNI library cannot be found: "+ex.toString().trim());
        } catch(CapacityExceededException ex) {
            throw rethrow(ex);
        } catch(HigherOrderDeclException ex) {
            Pos p = tr!=null ? tr.frame.kv2typepos(ex.decl().variable()).b : Pos.UNKNOWN;
            throw new ErrorType(p, "Analysis cannot be performed since it requires higher-order quantification that could not be skolemized.");
        } catch(Throwable ex) {
            if (ex instanceof Err) throw (Err)ex; else throw new ErrorFatal("Unknown exception occurred: "+ex, ex);
        }
    }
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        TranslateAlloyToKodkod tr = new TranslateAlloyToKodkod(sol.getBitwidth(), sol.unrolls(), sol.a2k(), sol.s2k());
        Object ans;
        try {
            ans = tr.visitThis(expr);
        } catch(UnsatisfiedLinkError ex) {
            throw new ErrorFatal("The required JNI library cannot be found: "+ex.toString().trim());
        } catch(CapacityExceededException ex) {
            throw rethrow(ex);
        } catch(HigherOrderDeclException ex) {
            throw new ErrorType("Analysis cannot be performed since it requires higher-order quantification that could not be skolemized.");
        } catch(Throwable ex) {
            if (ex instanceof Err) throw (Err)ex;
            throw new ErrorFatal("Unknown exception occurred: "+ex, ex);
        }
        if ((ans instanceof IntExpression) || (ans instanceof Formula) || (ans instanceof Expression)) return ans;
        throw new ErrorFatal("Unknown internal error encountered in the evaluator.");
    }
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     */
    private Formula cform(Expr x) throws Err {
        if (!x.errors.isEmpty()) throw x.errors.pick();
        Object y=visitThis(x);
        if (y instanceof Formula) return (Formula)y;
        throw new ErrorFatal(x.span(), "This should have been a formula.\nInstead it is "+y);
    }
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     */
    private IntExpression cint(Expr x) throws Err {
        if (!x.errors.isEmpty()) throw x.errors.pick();
        Object y=visitThis(x);
        if (y instanceof IntExpression) return (IntExpression)y;
        throw new ErrorFatal(x.span(), "This should have been an integer expression.\nInstead it is "+y);
    }
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     */
    private Expression cset(Expr x) throws Err {
        if (!x.errors.isEmpty()) throw x.errors.pick();
        Object y=visitThis(x);
        if (y instanceof Expression) return (Expression)y;
        throw new ErrorFatal(x.span(), "This should have been a set or a relation.\nInstead it is "+y);
    }
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          case FALSE: return Formula.FALSE;
          case EMPTYNESS: return Expression.NONE;
          case IDEN: return Expression.IDEN.intersection(a2k(UNIV).product(Expression.UNIV));
          case STRING:
            Expression ans = s2k(x.string);
            if (ans==null) throw new ErrorFatal(x.pos, "String literal "+x+" does not exist in this instance.\n");
            return ans;
          case NUMBER:
            int n=x.num();
            if (n<min) throw new ErrorType(x.pos, "Current bitwidth is set to "+bitwidth+", thus this integer constant "+n+" is smaller than the minimum integer "+min);
            if (n>max) throw new ErrorType(x.pos, "Current bitwidth is set to "+bitwidth+", thus this integer constant "+n+" is bigger than the maximum integer "+max);
            return IntConstant.constant(n);
        }
        throw new ErrorFatal(x.pos, "Unsupported operator ("+x.op+") encountered during ExprConstant.accept()");
    }
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            case RCLOSURE:
                Expression iden=Expression.IDEN.intersection(a2k(UNIV).product(Relation.UNIV));
                return cset(x.sub).closure().union(iden);
            case CLOSURE: return cset(x.sub).closure();
        }
        throw new ErrorFatal(x.pos, "Unsupported operator ("+x.op+") encountered during ExprUnary.visit()");
    }
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    /** {@inheritDoc} */
    @Override public Object visit(ExprVar x) throws Err {
        Object ans=env.get(x);
        if (ans==null) ans=a2k(x);
        if (ans==null) throw new ErrorFatal(x.pos, "Variable \""+x+"\" is not bound to a legal value during translation.\n");
        return ans;
    }
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Related Classes of edu.mit.csail.sdg.alloy4.ErrorFatal

  • edu.mit.csail.sdg.alloy4compiler.ast.Browsable
  • edu.mit.csail.sdg.alloy4compiler.ast.CommandScope
  • edu.mit.csail.sdg.alloy4compiler.ast.Decl
  • edu.mit.csail.sdg.alloy4compiler.ast.Expr
  • edu.mit.csail.sdg.alloy4compiler.ast.ExprBadCall
  • edu.mit.csail.sdg.alloy4compiler.ast.ExprBadJoin
  • edu.mit.csail.sdg.alloy4compiler.ast.ExprBinary
  • edu.mit.csail.sdg.alloy4compiler.ast.ExprCall
  • edu.mit.csail.sdg.alloy4compiler.ast.ExprCall$DeduceType
  • edu.mit.csail.sdg.alloy4compiler.ast.ExprChoice
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