public void Emit(SourceBuilder source, SequenceGenerator seqGen, bool fireDebugEvents)
        {
            source.AppendFront(COMP_HELPER.SetResultVar(seqFor, "true"));

            String parameters = seqHelper.BuildParameters(seqRule, ArgumentExpressions, source);

            source.AppendFront(matchesType + " " + matchesName + " = " + ruleName
                               + ".Match(procEnv, procEnv.MaxMatches" + parameters + ");\n");
            source.AppendFront("procEnv.PerformanceInfo.MatchesFound += " + matchesName + ".Count;\n");
            for (int i = 0; i < seqRule.Filters.Count; ++i)
            {
                seqExprGen.EmitFilterCall(source, (SequenceFilterCallCompiled)seqRule.Filters[i], patternName, matchesName, seqRule.PackagePrefixedName, false);
            }

            source.AppendFront("if(" + matchesName + ".Count != 0) {\n");
            source.Indent();
            source.AppendFront(matchesName + " = (" + matchesType + ")" + matchesName + ".Clone();\n");
            if (fireDebugEvents)
            {
                source.AppendFront("procEnv.Finishing(" + matchesName + ", " + specialStr + ");\n");
            }

            String returnParameterDeclarations;
            String returnArguments;
            String returnAssignments;
            String returnParameterDeclarationsAllCall;
            String intermediateReturnAssignmentsAllCall;
            String returnAssignmentsAllCall;

            seqHelper.BuildReturnParameters(seqRule, ReturnVars,
                                            out returnParameterDeclarations, out returnArguments, out returnAssignments,
                                            out returnParameterDeclarationsAllCall, out intermediateReturnAssignmentsAllCall, out returnAssignmentsAllCall);

            // apply the sequence for every match found
            String enumeratorName = "enum_" + seqFor.Id;

            source.AppendFront("IEnumerator<" + matchType + "> " + enumeratorName + " = " + matchesName + ".GetEnumeratorExact();\n");
            source.AppendFront("while(" + enumeratorName + ".MoveNext())\n");
            source.AppendFront("{\n");
            source.Indent();
            source.AppendFront(matchType + " " + matchName + " = " + enumeratorName + ".Current;\n");
            source.AppendFront(seqHelper.SetVar(seqFor.Var, matchName));

            seqGen.EmitSequence(seqFor.Seq, source);

            source.AppendFront(COMP_HELPER.SetResultVar(seqFor, COMP_HELPER.GetResultVar(seqFor) + " & " + COMP_HELPER.GetResultVar(seqFor.Seq)));
            source.Unindent();
            source.AppendFront("}\n");

            source.Unindent();
            source.AppendFront("}\n");
        }
Example #2
0
        public void Emit(SourceBuilder source, SequenceGenerator seqGen, bool fireDebugEvents)
        {
            source.AppendFront(COMP_HELPER.SetResultVar(seqFor, "true"));

            seqMatcherGen.EmitMatchingAndCloning(source, "procEnv.MaxMatches");
            SequenceRuleCallMatcherGenerator.EmitPreMatchEventFiring(source, matchesName);
            seqMatcherGen.EmitFiltering(source);

            source.AppendFront("if(" + matchesName + ".Count != 0) {\n");
            source.Indent();

            if (fireDebugEvents)
            {
                source.AppendFront("procEnv.Finishing(" + matchesName + ", " + specialStr + ");\n");
            }

            String returnParameterDeclarations;
            String returnArguments;
            String returnAssignments;
            String returnParameterDeclarationsAllCall;
            String intermediateReturnAssignmentsAllCall;
            String returnAssignmentsAllCall;

            seqHelper.BuildReturnParameters(seqRule, ReturnVars,
                                            out returnParameterDeclarations, out returnArguments, out returnAssignments,
                                            out returnParameterDeclarationsAllCall, out intermediateReturnAssignmentsAllCall, out returnAssignmentsAllCall);

            // apply the sequence for every match found
            String enumeratorName = "enum_" + seqFor.Id;

            source.AppendFront("IEnumerator<" + matchType + "> " + enumeratorName + " = " + matchesName + ".GetEnumeratorExact();\n");
            source.AppendFront("while(" + enumeratorName + ".MoveNext())\n");
            source.AppendFront("{\n");
            source.Indent();
            source.AppendFront(matchType + " " + matchName + " = " + enumeratorName + ".Current;\n");
            source.AppendFront(seqHelper.SetVar(seqFor.Var, matchName));

            seqGen.EmitSequence(seqFor.Seq, source);

            source.AppendFront(COMP_HELPER.SetResultVar(seqFor, COMP_HELPER.GetResultVar(seqFor) + " & " + COMP_HELPER.GetResultVar(seqFor.Seq)));
            source.Unindent();
            source.AppendFront("}\n");

            source.Unindent();
            source.AppendFront("}\n");
        }
Example #3
0
        public void Emit(SourceBuilder source, SequenceGenerator seqGen, bool fireDebugEvents)
        {
            String parameterDeclarations = null;
            String parameters            = null;

            if (seqRule.Subgraph != null)
            {
                parameters = seqHelper.BuildParametersInDeclarations(seqRule, ArgumentExpressions, source, out parameterDeclarations);
            }
            else
            {
                parameters = seqHelper.BuildParameters(seqRule, ArgumentExpressions, source);
            }

            if (seqRule.Subgraph != null)
            {
                source.AppendFront(parameterDeclarations + "\n");
                source.AppendFront("procEnv.SwitchToSubgraph((GRGEN_LIBGR.IGraph)" + seqHelper.GetVar(seqRule.Subgraph) + ");\n");
                source.AppendFront("graph = ((GRGEN_LGSP.LGSPActionExecutionEnvironment)procEnv).graph;\n");
            }

            source.AppendFront(matchesType + " " + matchesName + " = " + ruleName
                               + ".Match(procEnv, " + (seqRule.SequenceType == SequenceType.RuleCall ? "1" : "procEnv.MaxMatches")
                               + parameters + ");\n");
            source.AppendFront("procEnv.PerformanceInfo.MatchesFound += " + matchesName + ".Count;\n");
            for (int i = 0; i < seqRule.Filters.Count; ++i)
            {
                seqExprGen.EmitFilterCall(source, (SequenceFilterCallCompiled)seqRule.Filters[i], patternName, matchesName, seqRule.PackagePrefixedName, false);
            }

            if (seqRule is SequenceRuleCountAllCall)
            {
                SequenceRuleCountAllCall seqRuleCountAll = (SequenceRuleCountAllCall)seqRule;
                source.AppendFront(seqHelper.SetVar(seqRuleCountAll.CountResult, matchesName + ".Count"));
            }

            String insufficientMatchesCondition;

            if (seqRule is SequenceRuleAllCall &&
                ((SequenceRuleAllCall)seqRule).ChooseRandom &&
                ((SequenceRuleAllCall)seqRule).MinSpecified)
            {
                SequenceRuleAllCall seqRuleAll = (SequenceRuleAllCall)seqRule;
                String minMatchesVarName       = "minmatchesvar_" + seqRuleAll.Id;
                source.AppendFrontFormat("int {0} = (int){1};\n", minMatchesVarName, seqHelper.GetVar(seqRuleAll.MinVarChooseRandom));
                insufficientMatchesCondition = matchesName + ".Count < " + minMatchesVarName;
            }
            else
            {
                insufficientMatchesCondition = matchesName + ".Count == 0";
            }

            source.AppendFrontFormat("if({0}) {{\n", insufficientMatchesCondition);
            source.Indent();
            source.AppendFront(COMP_HELPER.SetResultVar(seqRule, "false"));
            source.Unindent();
            source.AppendFront("} else {\n");
            source.Indent();
            source.AppendFront(COMP_HELPER.SetResultVar(seqRule, "true"));
            if (fireDebugEvents)
            {
                source.AppendFront("procEnv.Matched(" + matchesName + ", null, " + specialStr + ");\n");
            }
            if (fireDebugEvents)
            {
                source.AppendFront("procEnv.Finishing(" + matchesName + ", " + specialStr + ");\n");
            }

            SequenceRuleOrRuleAllCallRewritingGenerator rewritingGen = new SequenceRuleOrRuleAllCallRewritingGenerator(this);

            if (seqRule.SequenceType == SequenceType.RuleCall)
            {
                rewritingGen.EmitRewritingRuleCall(source);
            }
            else if (seqRule.SequenceType == SequenceType.RuleCountAllCall || !((SequenceRuleAllCall)seqRule).ChooseRandom) // seq.SequenceType == SequenceType.RuleAll
            {
                rewritingGen.EmitRewritingRuleCountAllCallOrRuleAllCallNonRandom(source);
            }
            else // seq.SequenceType == SequenceType.RuleAll && ((SequenceRuleAll)seqRule).ChooseRandom
            {
                rewritingGen.EmitRewritingRuleAllCallRandom(source);
            }

            if (fireDebugEvents)
            {
                source.AppendFront("procEnv.Finished(" + matchesName + ", " + specialStr + ");\n");
            }

            source.Unindent();
            source.AppendFront("}\n");

            if (seqRule.Subgraph != null)
            {
                source.AppendFront("procEnv.ReturnFromSubgraph();\n");
                source.AppendFront("graph = ((GRGEN_LGSP.LGSPActionExecutionEnvironment)procEnv).graph;\n");
            }
        }