@Override public void exitOperationProcedureDecl(ResolveParser.OperationProcedureDeclContext ctx) { Scope s = symtab.getScope(ctx); VCAssertiveBlockBuilder block = assertiveBlocks.pop(); List<ProgParameterSymbol> paramSyms = s.getSymbolsOfType(ProgParameterSymbol.class); PExp corrFnExpEnsures = perParameterCorrFnExpSubstitute( paramSyms, tr.getMathExpASTFor( g, ctx.ensuresClause())); // postcondition[params 1..i <-- corr_fn_exp] corrFnExpEnsures = corrFnExpEnsures.withVCInfo(ctx.getStart(), "Ensures clause of " + ctx.name.getText()); Token loc = ctx.ensuresClause() != null ? ctx.ensuresClause().getStart() : ctx.getStart(); List<PExp> paramConsequents = new ArrayList<>(); Utils.apply(paramSyms, paramConsequents, this::extractConsequentsFromParameter); // add verification statements to the assertive context/block block.stats(Utils.collect(VCRuleBackedStat.class, ctx.stmt(), stats)); // add any additional confirms from the parameters, etc for (ProgParameterSymbol p : paramSyms) { confirmParameterConsequentsForBlock(block, p); // modfies 'block' with additional confims! } // TODO: Tomorrow look at the verification statements in the assertive context for // int_do_nothing, then block.finalConfirm(corrFnExpEnsures); outputFile.addAssertiveBlock(block.build()); }
@Override public void exitTypeImplInit(ResolveParser.TypeImplInitContext ctx) { PExp typeInitEnsures = g.getTrueExp(); PExp convention = currentTypeReprSym.getConvention(); PExp correspondence = currentTypeReprSym.getCorrespondence(); if (currentTypeReprSym.getDefinition() != null) { typeInitEnsures = currentTypeReprSym.getDefinition().getProgramType().getInitializationEnsures(); } VCAssertiveBlockBuilder block = assertiveBlocks.pop(); PExp newInitEnsures = typeInitEnsures.substitute( currentTypeReprSym.exemplarAsPSymbol(), currentTypeReprSym.conceptualExemplarAsPSymbol()); // block.stats(Utils.collect(VCRuleBackedStat.class, ctx.stmt(), stats)); // block.confirm(convention); //order here is important block.assume(correspondence); throw new UnsupportedOperationException("re-institute the final confirm for this dan"); // block.finalConfirm(newInitEnsures, "Initialization-ensures clause of " + // currentTypeReprSym.getName()); // outputFile.addAssertiveBlock(block.build()); }
@Override public void exitTypeRepresentationDecl(ResolveParser.TypeRepresentationDeclContext ctx) { PExp constraint = g.getTrueExp(); PExp correspondence = g.getTrueExp(); if (currentTypeReprSym == null) return; correspondence = currentTypeReprSym.getCorrespondence(); if (currentTypeReprSym.getDefinition() != null) { constraint = currentTypeReprSym.getDefinition().getProgramType().getConstraint(); } VCAssertiveBlockBuilder block = assertiveBlocks.pop(); PExp newConstraint = constraint.substitute( currentTypeReprSym.exemplarAsPSymbol(), currentTypeReprSym.conceptualExemplarAsPSymbol()); newConstraint = newConstraint.withVCInfo(ctx.getStart(), "Constraint for type: " + ctx.name.getText()); block.assume(correspondence.splitIntoConjuncts()); // throw new UnsupportedOperationException("re-institute the final confirm for this dan"); block.finalConfirm(newConstraint); outputFile.addAssertiveBlock(block.build()); }
@Override public void exitProcedureDecl(ResolveParser.ProcedureDeclContext ctx) { Scope scope = symtab.getScope(ctx); List<ProgParameterSymbol> paramSyms = scope.getSymbolsOfType(ProgParameterSymbol.class); VCAssertiveBlockBuilder block = assertiveBlocks.pop(); List<ProgParameterSymbol> formalParameters = new ArrayList<>(); try { formalParameters = scope.query(new SymbolTypeQuery<ProgParameterSymbol>(ProgParameterSymbol.class)); } catch (NoSuchModuleException | UnexpectedSymbolException e) { e.printStackTrace(); } List<PExp> corrFnExps = paramSyms .stream() .filter(p -> p.getDeclaredType() instanceof PTRepresentation) .map(p -> (PTRepresentation) p.getDeclaredType()) .map(p -> p.getReprTypeSymbol().getCorrespondence()) .collect(Collectors.toList()); PExp corrFnExpEnsures = perParameterCorrFnExpSubstitute(paramSyms, currentProcOpSym.getEnsures()) .withVCInfo(ctx.getStart(), "Ensures clause of " + ctx.name.getText()); // postcondition[params 1..i <-- corr_fn_exp] List<PExp> paramConsequents = new ArrayList<>(); Utils.apply(formalParameters, paramConsequents, this::extractConsequentsFromParameter); block .stats(Utils.collect(VCRuleBackedStat.class, ctx.stmt(), stats)) .assume(corrFnExps) .confirm(ctx, g.formConjuncts(paramConsequents)) .finalConfirm(corrFnExpEnsures); outputFile.addAssertiveBlock(block.build()); currentProcOpSym = null; }