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     7 ** This file is part of the qt3to4 porting application of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    40 ****************************************************************************/

    41 

    42 #include "rpptreewalker.h"

    43 

    44 QT_BEGIN_NAMESPACE

    45 

    46 namespace Rpp {

    47 

    48 void RppTreeWalker::evaluateItem(const Item *item)

    49 {

    50     if(!item)

    51         return;

    52     if (Source *source = item->toSource())

    53         evaluateSource(source);

    54     else if (Directive *directive = item->toDirective())

    55         evaluateDirective(directive);

    56     else if (IfSection *ifSection = item->toIfSection())

    57         evaluateIfSection(ifSection);

    58     else if (Text *text = item->toText())

    59         evaluateText(text);

    60 }

    61 

    62 void RppTreeWalker::evaluateItemComposite(const ItemComposite *itemComposite)

    63 {

    64     if (!itemComposite)

    65         return;

    66     for (int i = 0; i < itemComposite->count(); ++i) {

    67         evaluateItem(itemComposite->item(i));

    68     }

    69 }

    70 

    71 void RppTreeWalker::evaluateSource(const Source *source)

    72 {

    73     evaluateItemComposite(source->toItemComposite());

    74 }

    75 

    76 void RppTreeWalker::evaluateDirective(const Directive *directive)

    77 {

    78     if (!directive)

    79         return;

    80     if (EmptyDirective *dir = directive->toEmptyDirective())

    81         evaluateEmptyDirective(dir);

    82     else if (ErrorDirective *dir = directive->toErrorDirective())

    83         evaluateErrorDirective(dir);

    84     else if (PragmaDirective *dir = directive->toPragmaDirective())

    85         evaluatePragmaDirective(dir);

    86     else if (IncludeDirective *dir = directive->toIncludeDirective())

    87         evaluateIncludeDirective(dir);

    88     else if (DefineDirective *dir = directive->toDefineDirective())

    89         evaluateDefineDirective(dir);

    90     else if (UndefDirective *dir = directive->toUndefDirective())

    91         evaluateUndefDirective(dir);

    92     else if (LineDirective *dir = directive->toLineDirective())

    93         evaluateLineDirective(dir);

    94     else if (NonDirective *dir = directive->toNonDirective())

    95         evaluateNonDirective(dir);

    96     else if (NonDirective *dir = directive->toNonDirective())

    97         evaluateNonDirective(dir);

    98     else if (ConditionalDirective *dir = directive->toConditionalDirective())

    99         evaluateConditionalDirective(dir);

   100 }

   101 

   102 /*

   103     This function evaluates all the branches of an IfSection. You should 

   104     override it if you want to only evaluate the "correct" branch.

   105 */

   106 void RppTreeWalker::evaluateIfSection(const IfSection *ifSection)

   107 {

   108     if (!ifSection)

   109         return;

   110     evaluateItemComposite(ifSection->toItemComposite());

   111 }

   112 

   113 void RppTreeWalker::evaluateConditionalDirective(const ConditionalDirective *conditionalDirective)

   114 {

   115     if (!conditionalDirective)

   116         return;

   117     if (IfdefDirective *dir = conditionalDirective->toIfdefDirective())

   118          evaluateIfdefDirective(dir);

   119     else if (IfndefDirective *dir = conditionalDirective->toIfndefDirective())

   120          evaluateIfndefDirective(dir);

   121     else if (IfDirective *dir = conditionalDirective->toIfDirective())

   122          evaluateIfDirective(dir);

   123     else if (ElifDirective *dir = conditionalDirective->toElifDirective())

   124          evaluateElifDirective(dir);

   125     else if (ElseDirective *dir = conditionalDirective->toElseDirective())

   126          evaluateElseDirective(dir);

   127 }

   128 

   129 void RppTreeWalker::evaluateIfdefDirective(const IfdefDirective *directive)

   130 {

   131    if (!directive) 

   132        return;

   133    evaluateItemComposite(directive->toItemComposite());

   134 }

   135 

   136 void RppTreeWalker::evaluateIfndefDirective(const IfndefDirective *directive)

   137 {

   138    if (!directive) 

   139        return;

   140    evaluateItemComposite(directive->toItemComposite());

   141 }

   142 

   143 void RppTreeWalker::evaluateIfDirective(const IfDirective *directive)

   144 {

   145    if (!directive) 

   146        return;

   147    evaluateItemComposite(directive->toItemComposite());

   148 }

   149 

   150 void RppTreeWalker::evaluateElifDirective(const ElifDirective *directive)

   151 {

   152    if (!directive) 

   153        return;

   154    evaluateItemComposite(directive->toItemComposite());

   155 }

   156 

   157 void RppTreeWalker::evaluateElseDirective(const ElseDirective *directive)

   158 {

   159    if (!directive) 

   160        return;

   161    evaluateItemComposite(directive->toItemComposite());

   162 }

   163 

   164 }

   165 

   166 QT_END_NAMESPACE