Examples with ExpressionStruct org.eclipse.titan.designer.AST.TTCN3.values.expressions.ExpressionStruct used on opensource projects

Example 11 with ExpressionStruct

use of org.eclipse.titan.designer.AST.TTCN3.values.expressions.ExpressionStruct in project titan.EclipsePlug-ins by eclipse.

the class Def_Timer method generateCode.

@Override
public /**
 * {@inheritDoc}
 */
void generateCode(final JavaGenData aData, final boolean cleanUp) {
    final String genName = getGenName();
    final StringBuilder sb = aData.getSrc();
    final StringBuilder initComp = aData.getInitComp();
    final StringBuilder source = new StringBuilder();
    if (!isLocal()) {
        if (VisibilityModifier.Private.equals(getVisibilityModifier())) {
            source.append("private");
        } else {
            source.append("public");
        }
        source.append(" static ");
    }
    aData.addBuiltinTypeImport("TitanTimer");
    if (dimensions == null) {
        // single timer instance
        if (defaultDuration == null) {
            source.append("TitanTimer ");
            source.append(genName);
            source.append(" = new TitanTimer(\"");
            source.append(identifier.getDisplayName());
            source.append("\");\n");
        } else {
            if (defaultDuration.canGenerateSingleExpression()) {
                // known in compile time
                source.append("TitanTimer ");
                source.append(genName);
                source.append(" = new TitanTimer(\"");
                source.append(identifier.getDisplayName());
                source.append("\", ");
                source.append(defaultDuration.generateSingleExpression(aData));
                source.append(");\n");
            } else {
                source.append("TitanTimer ");
                source.append(genName);
                source.append(" = new TitanTimer(\"");
                source.append(identifier.getDisplayName());
                source.append("\");\n");
                final ExpressionStruct expression = new ExpressionStruct();
                expression.expression.append(genName);
                expression.expression.append(".setDefaultDuration(");
                defaultDuration.generateCodeExpression(aData, expression, true);
                expression.expression.append(')');
                expression.mergeExpression(aData.getPostInit());
            }
        }
        if (defaultDuration != null) {
            defaultDuration.generateCodeInit(aData, initComp, genName);
        } else if (cleanUp) {
            initComp.append(genName);
            initComp.append(".cleanUp();\n");
        }
    } else {
        final ArrayList<String> classNames = new ArrayList<String>();
        final ExpressionStruct expression = new ExpressionStruct();
        aData.addBuiltinTypeImport("TitanTimerArray");
        final String elementName = generateClassCode(aData, sb, classNames);
        source.append(MessageFormat.format(" {0} {1} = new {0}();\n", elementName, genName));
        if (defaultDuration != null) {
            generateCodeArrayDuration(aData, initComp, genName, classNames, defaultDuration, 0);
        }
        expression.expression.append(genName);
        expression.expression.append(".setName(\"");
        expression.expression.append(identifier.getDisplayName());
        expression.expression.append("\");\n");
        expression.mergeExpression(aData.getPreInit());
    }
    sb.append(source);
}

Example 12 with ExpressionStruct

use of org.eclipse.titan.designer.AST.TTCN3.values.expressions.ExpressionStruct in project titan.EclipsePlug-ins by eclipse.

the class Activate_Referenced_Statement method generateCode.

@Override
public /**
 * {@inheritDoc}
 */
void generateCode(final JavaGenData aData, final StringBuilder source) {
    aData.addBuiltinTypeImport("TitanFloat");
    aData.addBuiltinTypeImport("Ttcn3Float");
    final ExpressionStruct expression = new ExpressionStruct();
    final IValue last = dereferredValue.getValueRefdLast(CompilationTimeStamp.getBaseTimestamp(), Expected_Value_type.EXPECTED_DYNAMIC_VALUE, null);
    if (last.getValuetype().equals(Value_type.ALTSTEP_REFERENCE_VALUE)) {
    // TODO Optimize for easily resolvable value
    }
    dereferredValue.generateCodeExpressionMandatory(aData, expression, true);
    expression.expression.append(".activate(");
    if (actualParameterList2 != null && actualParameterList2.getNofParameters() > 0) {
        actualParameterList2.generateCodeAlias(aData, expression);
    }
    expression.expression.append(')');
    expression.mergeExpression(source);
}

Example 13 with ExpressionStruct

use of org.eclipse.titan.designer.AST.TTCN3.values.expressions.ExpressionStruct in project titan.EclipsePlug-ins by eclipse.

the class AltGuards method generateCodeAlt.

/**
 * Generate code for an alt
 *
 * @param aData the structure to put imports into and get temporal variable names from.
 * @param source the source code generated
 */
public void generateCodeAlt(final JavaGenData aData, final StringBuilder source) {
    aData.addBuiltinTypeImport("TitanAlt_Status");
    boolean labelNeeded = hasRepeat;
    boolean hasElseBranch = false;
    for (int i = 0; i < altGuards.size(); i++) {
        final AltGuard altGuard = altGuards.get(i);
        switch(altGuard.getType()) {
            case AG_OP:
                if (((Operation_Altguard) altGuard).getGuardStatement().canRepeat()) {
                    labelNeeded = true;
                }
                break;
            case AG_REF:
            case AG_INVOKE:
                labelNeeded = true;
                break;
            case AG_ELSE:
                hasElseBranch = true;
                break;
            default:
                ErrorReporter.INTERNAL_ERROR("unknown altguard type encountered `" + getFullName() + "''");
                return;
        }
        if (hasElseBranch) {
            break;
        }
    }
    // if there is no [else] branch the defaults may return ALT_REPEAT
    if (!hasElseBranch) {
        labelNeeded = true;
    }
    // opening bracket of the statement block
    label = aData.getTemporaryVariableName();
    if (labelNeeded) {
        source.append(label).append(":\n");
    }
    source.append("for ( ; ; ) {\n");
    // temporary variables used for caching of status codes
    for (int i = 0; i < altGuards.size(); i++) {
        final AltGuard altGuard = altGuards.get(i);
        if (altGuard.getType().equals(altguard_type.AG_ELSE)) {
            break;
        }
        source.append(MessageFormat.format("TitanAlt_Status {0}_alt_flag_{1} = ", label, i));
        if (altGuard.getGuardExpression() == null) {
            source.append("TitanAlt_Status.ALT_MAYBE");
        } else {
            source.append("TitanAlt_Status.ALT_UNCHECKED");
        }
        source.append(";\n");
    }
    if (!hasElseBranch) {
        source.append(MessageFormat.format("TitanAlt_Status {0}_default_flag = TitanAlt_Status.ALT_MAYBE;\n", label));
    }
    // the first snapshot is taken in non-blocking mode
    aData.addCommonLibraryImport("TTCN_Snapshot");
    source.append("TTCN_Snapshot.takeNew(false);\n");
    // and opening infinite for() loop
    source.append("for ( ; ; ) {\n");
    for (int i = 0; i < altGuards.size(); i++) {
        final AltGuard altGuard = altGuards.get(i);
        final altguard_type altGuardType = altGuard.getType();
        if (altGuardType.equals(altguard_type.AG_ELSE)) {
            source.append("TTCN_Snapshot.elseBranchReached();\n");
            StatementBlock block = altGuard.getStatementBlock();
            if (block.getSize() > 0) {
                source.append("{\n");
                // FIXME handle debugger
                block.generateCode(aData, source);
                source.append("}\n");
            }
            if (block.hasReturn(CompilationTimeStamp.getBaseTimestamp()) != ReturnStatus_type.RS_YES) {
                source.append("break;\n");
            }
            // do not generate code for further branches
            break;
        } else {
            final IValue guardExpression = altGuard.getGuardExpression();
            if (guardExpression != null) {
                source.append(MessageFormat.format("if ({0}_alt_flag_{1} == TitanAlt_Status.ALT_UNCHECKED) '{'\n", label, i));
                guardExpression.getLocation().update_location_object(aData, source);
                final ExpressionStruct expression = new ExpressionStruct();
                guardExpression.generateCodeExpression(aData, expression, true);
                source.append(expression.preamble);
                source.append(MessageFormat.format("if(TitanBoolean.getNative({0})) '{'\n", expression.expression));
                source.append(MessageFormat.format("{0}_alt_flag_{1} = TitanAlt_Status.ALT_MAYBE;\n", label, i));
                source.append("} else {\n");
                source.append(MessageFormat.format("{0}_alt_flag_{1} = TitanAlt_Status.ALT_NO;\n", label, i));
                source.append("}\n");
                source.append("}\n");
            }
            source.append(MessageFormat.format("if ({0}_alt_flag_{1} == TitanAlt_Status.ALT_MAYBE) '{'\n", label, i));
            boolean canRepeat = false;
            final ExpressionStruct expression = new ExpressionStruct();
            expression.expression.append(MessageFormat.format("{0}_alt_flag_{1} = ", label, i));
            switch(altGuardType) {
                case AG_OP:
                    {
                        // the guard operation is a receiving statement
                        final Statement statement = ((Operation_Altguard) altGuard).getGuardStatement();
                        altGuard.getLocation().update_location_object(aData, source);
                        statement.generateCodeExpression(aData, expression);
                        canRepeat = statement.canRepeat();
                    }
                    break;
                case AG_REF:
                    {
                        // the guard operation is an altstep instance
                        final Reference reference = ((Referenced_Altguard) altGuard).getGuardReference();
                        altGuard.getLocation().update_location_object(aData, source);
                        final Assignment altstep = reference.getRefdAssignment(CompilationTimeStamp.getBaseTimestamp(), false);
                        expression.expression.append(MessageFormat.format("{0}_instance(", altstep.getGenNameFromScope(aData, source, myScope, "")));
                        final ISubReference subreference = reference.getSubreferences().get(0);
                        ((ParameterisedSubReference) subreference).getActualParameters().generateCodeAlias(aData, expression);
                        source.append(')');
                        canRepeat = true;
                    }
                    break;
                case AG_INVOKE:
                    {
                        // the guard operation is an altstep invocation
                        altGuard.getLocation().update_location_object(aData, source);
                        ((Invoke_Altguard) altGuard).generateCodeInvokeInstance(aData, expression);
                        canRepeat = true;
                    }
                    break;
                default:
                    ErrorReporter.INTERNAL_ERROR("unknown altguard type encountered `" + getFullName() + "''");
                    return;
            }
            expression.mergeExpression(source);
            if (canRepeat) {
                source.append(MessageFormat.format("if ({0}_alt_flag_{1} == TitanAlt_Status.ALT_REPEAT) continue {2};\n", label, i, label));
            }
            if (altGuardType.equals(altguard_type.AG_REF) || altGuardType.equals(altguard_type.AG_INVOKE)) {
                source.append(MessageFormat.format("if ({0}_alt_flag_{1} == TitanAlt_Status.ALT_BREAK) break;\n", label, i));
            }
            // execution of statement block if the guard was successful
            source.append(MessageFormat.format("if ({0}_alt_flag_{1} == TitanAlt_Status.ALT_YES) ", label, i));
            final StatementBlock block = altGuard.getStatementBlock();
            if (block != null && block.getSize() > 0) {
                source.append("{\n");
                // TODO handle debugger
                block.generateCode(aData, source);
                if (!ReturnStatus_type.RS_YES.equals(block.hasReturn(CompilationTimeStamp.getBaseTimestamp()))) {
                    source.append("break;\n");
                }
                source.append("}\n");
            } else {
                source.append("break;\n");
            }
            source.append("}\n");
        }
    }
    if (!hasElseBranch) {
        aData.addCommonLibraryImport("TTCN_Default");
        source.append(MessageFormat.format("if ({0}_default_flag == TitanAlt_Status.ALT_MAYBE) '{'\n", label));
        source.append(MessageFormat.format("{0}_default_flag = TTCN_Default.tryAltsteps();\n", label));
        source.append(MessageFormat.format("if ({0}_default_flag == TitanAlt_Status.ALT_YES || {0}_default_flag == TitanAlt_Status.ALT_BREAK) '{'\n", label));
        source.append("break;\n");
        source.append(MessageFormat.format("} else if({0}_default_flag == TitanAlt_Status.ALT_REPEAT) '{'\n", label));
        source.append(MessageFormat.format("continue {0};\n", label));
        source.append("}\n");
        source.append("}\n");
        getLocation().update_location_object(aData, source);
        // error handling and taking the next snapshot in blocking mode
        source.append("if ( ");
        for (int i = 0; i < altGuards.size(); i++) {
            source.append(MessageFormat.format("{0}_alt_flag_{1} == TitanAlt_Status.ALT_NO &&", label, i));
        }
        source.append(MessageFormat.format("{0}_default_flag == TitanAlt_Status.ALT_NO) '{'\n", label));
        source.append("throw new TtcnError(\"None of the branches can be chosen in the alt statement");
        // TODO translate_string
        if (location != null && location.getFile() != null) {
            source.append(MessageFormat.format("in file {0} at line {1}", location.getFile().getName(), location.getLine()));
        }
        source.append("\");\n");
        source.append("}\n");
        source.append("TTCN_Snapshot.takeNew(true);\n");
    }
    source.append("}\n");
    source.append("break;\n");
    source.append("}\n");
}

Example 14 with ExpressionStruct

use of org.eclipse.titan.designer.AST.TTCN3.values.expressions.ExpressionStruct in project titan.EclipsePlug-ins by eclipse.

the class AltGuards method generateCodeCallBody.

/**
 * Generate code for an altstep (as the body of a call statement)
 *
 * @param aData the structure to put imports into and get temporal variable names from.
 * @param source the source code generated
 * @param tempId temporary id used as prefix of local variables
 * @param inInterleave is it used in interleave?
 */
public void generateCodeCallBody(final JavaGenData aData, final StringBuilder source, final String tempId, final boolean inInterleave) {
    if (hasRepeat) {
        source.append(MessageFormat.format("{0}:", tempId));
    }
    // temporary variables used for caching of status codes
    for (int i = 0; i < altGuards.size(); i++) {
        final AltGuard altGuard = altGuards.get(i);
        source.append(MessageFormat.format("TitanAlt_Status {0}_alt_flag_{1} = ", tempId, i));
        if (altGuard.getGuardExpression() == null) {
            source.append("TitanAlt_Status.ALT_MAYBE");
        } else {
            source.append("TitanAlt_Status.ALT_UNCHECKED");
        }
        source.append(";\n");
    }
    getLocation().update_location_object(aData, source);
    // the first snapshot is taken in non-blocking mode
    // and opening infinite for() loop
    // the first snapshot is taken in non-blocking mode
    aData.addCommonLibraryImport("TTCN_Snapshot");
    source.append("TTCN_Snapshot.takeNew(false);\n");
    // and opening infinite for() loop
    source.append("for ( ; ; ) {\n");
    for (int i = 0; i < altGuards.size(); i++) {
        final AltGuard altGuard = altGuards.get(i);
        if (!(altGuard instanceof Operation_Altguard)) {
            // FATAL ERROR
            continue;
        }
        final IValue guardExpression = altGuard.getGuardExpression();
        if (guardExpression != null) {
            source.append(MessageFormat.format("if ( {0}_alt_flag_{1} == TitanAlt_Status.ALT_UNCHECKED) '{'\n", tempId, i));
            guardExpression.getLocation().update_location_object(aData, source);
            final ExpressionStruct expression = new ExpressionStruct();
            guardExpression.generateCodeExpression(aData, expression, true);
            source.append(expression.preamble);
            source.append(MessageFormat.format("if (TitanBoolean.getNative({0})) '{'\n", expression.expression));
            source.append(MessageFormat.format("{0}_alt_flag_{1} = TitanAlt_Status.ALT_MAYBE;\n", tempId, i));
            source.append("} else {\n");
            source.append(MessageFormat.format("{0}_alt_flag_{1} = TitanAlt_Status.ALT_NO;\n", tempId, i));
            source.append("}\n");
            source.append(expression.postamble);
            source.append("}\n");
        }
        // evaluation of guard operation
        source.append(MessageFormat.format("if ( {0}_alt_flag_{1} == TitanAlt_Status.ALT_MAYBE) '{'\n", tempId, i));
        final ExpressionStruct expression = new ExpressionStruct();
        expression.expression.append(MessageFormat.format("{0}_alt_flag_{1} = ", tempId, i));
        final Statement statement = ((Operation_Altguard) altGuard).getGuardStatement();
        statement.getLocation().update_location_object(aData, source);
        statement.generateCodeExpression(aData, expression);
        expression.mergeExpression(source);
        // execution of statement block if the guard was successful
        source.append(MessageFormat.format("if ( {0}_alt_flag_{1} == TitanAlt_Status.ALT_YES) '{'\n", tempId, i));
        final StatementBlock block = ((Operation_Altguard) altGuard).getStatementBlock();
        if (inInterleave) {
            if (block != null && block.getSize() > 0) {
                if (block.hasReceivingStatement(0)) {
                    source.append(MessageFormat.format("continue {0}_branch{1};\n", tempId, i));
                } else {
                    source.append("{\n");
                    block.generateCode(aData, source);
                    source.append(MessageFormat.format("continue {0}_end;\n", tempId));
                    source.append("}\n");
                }
            } else {
                source.append(MessageFormat.format("continue {0}_end;\n", tempId));
            }
        } else {
            if (block != null && block.getSize() > 0) {
                source.append("{\n");
                block.generateCode(aData, source);
                if (block.hasReturn(CompilationTimeStamp.getBaseTimestamp()) != StatementBlock.ReturnStatus_type.RS_YES) {
                    source.append("break;\n");
                }
                source.append("}\n");
            }
        }
        source.append("}\n");
        source.append("}\n");
    }
    getLocation().update_location_object(aData, source);
    // error handling and taking the next snapshot in blocking mode
    source.append("if (");
    for (int i = 0; i < altGuards.size(); i++) {
        if (i > 0) {
            source.append(" && ");
        }
        source.append(MessageFormat.format("{0}_alt_flag_{1} == TitanAlt_Status.ALT_NO", tempId, i));
    }
    source.append(") {\n");
    source.append("throw new TtcnError(\"None of the branches can be chosen in the response and exception handling part of call statement in file");
    // TODO translate_string
    if (location != null && location.getFile() != null) {
        source.append(MessageFormat.format("in file {0} at line {1}", location.getFile().getName(), location.getLine()));
    }
    source.append("\");\n");
    source.append("}\n");
    source.append("TTCN_Snapshot.takeNew(true);\n");
    source.append("}\n");
}

Example 15 with ExpressionStruct

use of org.eclipse.titan.designer.AST.TTCN3.values.expressions.ExpressionStruct in project titan.EclipsePlug-ins by eclipse.

the class AltGuards method generateCodeAltstep.

/**
 * Generate code for an altstep
 *
 * @param aData the structure to put imports into and get temporal variable names from.
 * @param source the source code generated
 */
public void generateCodeAltstep(final JavaGenData aData, final StringBuilder source) {
    final boolean hasElse = hasElse();
    if (!hasElse) {
        source.append("TitanAlt_Status returnValue = TitanAlt_Status.ALT_NO;\n");
    }
    for (int i = 0; i < altGuards.size(); i++) {
        final AltGuard altGuard = altGuards.get(i);
        final altguard_type altGuardType = altGuard.getType();
        if (altGuardType.equals(altguard_type.AG_ELSE)) {
            source.append("TTCN_Snapshot.elseBranchReached();\n");
            final StatementBlock block = altGuard.getStatementBlock();
            if (block.getSize() > 0) {
                source.append("{\n");
                // TODO debugger
                block.generateCode(aData, source);
                source.append("}\n");
            }
            if (block.hasReturn(CompilationTimeStamp.getBaseTimestamp()) != ReturnStatus_type.RS_YES) {
                source.append("return TitanAlt_Status.ALT_YES;\n");
            }
            break;
        } else {
            final AtomicInteger blockCount = new AtomicInteger(0);
            final IValue guardExpression = altGuard.getGuardExpression();
            if (guardExpression != null) {
                guardExpression.getLocation().update_location_object(aData, source);
                guardExpression.generateCodeTmp(aData, source, "if (", blockCount);
                source.append(") {\n");
                blockCount.incrementAndGet();
            }
            boolean canRepeat = false;
            final ExpressionStruct expression = new ExpressionStruct();
            switch(altGuardType) {
                case AG_OP:
                    {
                        final Statement statement = ((Operation_Altguard) altGuard).getGuardStatement();
                        altGuard.getLocation().update_location_object(aData, source);
                        statement.generateCodeExpression(aData, expression);
                        canRepeat = statement.canRepeat();
                    }
                    break;
                case AG_REF:
                    {
                        // the guard operation is an altstep instance
                        final Reference reference = ((Referenced_Altguard) altGuard).getGuardReference();
                        altGuard.getLocation().update_location_object(aData, source);
                        final Assignment altstep = reference.getRefdAssignment(CompilationTimeStamp.getBaseTimestamp(), false);
                        expression.expression.append(MessageFormat.format("{0}_instance(", altstep.getGenNameFromScope(aData, source, myScope, "")));
                        final ISubReference subreference = reference.getSubreferences().get(0);
                        ((ParameterisedSubReference) subreference).getActualParameters().generateCodeAlias(aData, expression);
                        source.append(')');
                        canRepeat = true;
                    }
                    break;
                case AG_INVOKE:
                    {
                        // the guard operation is an altstep invocation
                        altGuard.getLocation().update_location_object(aData, source);
                        ((Invoke_Altguard) altGuard).generateCodeInvokeInstance(aData, expression);
                        canRepeat = true;
                    }
                    break;
                default:
                    ErrorReporter.INTERNAL_ERROR("unknown altguard type encountered `" + getFullName() + "''");
                    return;
            }
            if (expression.preamble.length() > 0 || expression.postamble.length() > 0) {
                if (blockCount.get() == 0) {
                    source.append("{\n");
                    blockCount.set(blockCount.get() + 1);
                }
                final String tempId = aData.getTemporaryVariableName();
                source.append(MessageFormat.format("TitanAlt_Status {0};\n", tempId));
                source.append("{\n");
                source.append(expression.preamble);
                source.append(MessageFormat.format("{0}.assign({1});\n", tempId, expression.expression));
                source.append(expression.postamble);
                source.append("}\n");
                source.append(MessageFormat.format("switch ({0}) '{'\n", tempId));
            } else {
                source.append(MessageFormat.format("switch ({0}) '{'\n", expression.expression));
            }
            source.append("case ALT_YES:\n");
            final StatementBlock block = altGuard.getStatementBlock();
            if (block != null && block.getSize() > 0) {
                source.append("{\n");
                // TODO handle debugger
                block.generateCode(aData, source);
                source.append("}\n");
            }
            if (block == null || block.hasReturn(CompilationTimeStamp.getBaseTimestamp()) != ReturnStatus_type.RS_YES) {
                source.append("return TitanAlt_Status.ALT_YES;\n");
            }
            if (canRepeat) {
                source.append("case ALT_REPEAT:\n");
                source.append("return TitanAlt_Status.ALT_REPEAT;\n");
            }
            if (altGuardType == altguard_type.AG_REF || altGuardType == altguard_type.AG_INVOKE) {
                source.append("case ALT_BREAK:\n");
                source.append("return TitanAlt_Status.ALT_BREAK;\n");
            }
            if (!hasElse) {
                source.append("case ALT_MAYBE:\n");
                source.append("returnValue = TitanAlt_Status.ALT_MAYBE;\n");
            }
            source.append("default:\n");
            source.append("break;\n");
            source.append("}\n");
            // closing statement blocks
            for (int j = 0; j < blockCount.get(); j++) {
                source.append("}\n");
            }
        }
    }
    if (!hasElse) {
        source.append("return returnValue;\n");
    }
}