@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 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;
}