runtime/src/sun/tree/tree.c

   1 #include "tree.h"
   2
   3 #include "node_internal.h"
   4 #include "node_type.h"
   5
   6 #include <stdlib.h>
   7
   8 typedef struct {
   9         SLTTreeIteratorCallback callback;
  10         SLTTreeIteratorCallback postCallback;
  11         void *userParameter;
  12 } TreeIteratorCallbackDetails;
  13
  14 static SLTNode *treeIterateCallback(SLTNode *node, void *extra);
  15 static SLTNode *treeIteratePostCallback(SLTNode *node, void *extra);
  16
  17 void sltTreeIterate(SLTNode *root, SLTTreeIteratorCallback callback, SLTTreeIteratorCallback postCallback, void *userParameter) {
  18         TreeIteratorCallbackDetails details = {
  19                 .callback = callback,
  20                 .postCallback = postCallback,
  21                 .userParameter = userParameter,
  22         };
  23         sltTreeMap(root, (callback != NULL) ? treeIterateCallback : NULL, (postCallback != NULL) ? treeIteratePostCallback : NULL, &details);
  24 }
  25
  26 SLTNode *sltTreeMap(SLTNode *root, SLTTreeMapCallback callback, SLTTreeMapCallback postCallback, void *userParameter){
  27         SLTNode *n = root;
  28
  29         if (callback != NULL && n != NULL && n->type != SLTNodeTypeSequence) {
  30                 n = callback(n, userParameter);
  31         }
  32
  33         if (n != NULL) {
  34                 switch (n->type) {
  35                         default:
  36                         case SLTNodeTypeUnknown:
  37                                 /* Produce error? */
  38                                 break;
  39
  40                         /* These have no child nodes */
  41                         case SLTNodeTypeIdentifier:
  42                         case SLTNodeTypeInteger:
  43                         case SLTNodeTypeFloat:
  44                         case SLTNodeTypeString:
  45                         case SLTNodeTypeOperator:
  46                                 break;
  47
  48                         case SLTNodeTypeCompound:
  49                                 n->compoundSubexpression = sltTreeMap(n->compoundSubexpression, callback, postCallback, userParameter);
  50                                 break;
  51
  52                         case SLTNodeTypeArgument:
  53                                 n->argumentExpression = sltTreeMap(n->argumentExpression, callback, postCallback, userParameter);
  54                                 break;
  55
  56                         case SLTNodeTypeArrayAccess:
  57                                 n->arrayAccessArray = sltTreeMap(n->arrayAccessArray, callback, postCallback, userParameter);
  58                                 n->arrayAccessAccess = sltTreeMap(n->arrayAccessAccess, callback, postCallback, userParameter);
  59                                 break;
  60
  61                         case SLTNodeTypeMemberAccess:
  62                                 n->typeAccessType = sltTreeMap(n->typeAccessType, callback, postCallback, userParameter);
  63                                 n->typeAccessAccess = sltTreeMap(n->typeAccessAccess, callback, postCallback, userParameter);
  64                                 break;
  65
  66                         case SLTNodeTypeFunctionCall:
  67                                 n->functionCallFunction = sltTreeMap(n->functionCallFunction, callback, postCallback, userParameter);
  68                                 n->functionCallArguments = sltTreeMap(n->functionCallArguments, callback, postCallback, userParameter);
  69                                 break;
  70
  71                         case SLTNodeTypeUnaryOperation:
  72                                 n->unaryOperationOperator = sltTreeMap(n->unaryOperationOperator, callback, postCallback, userParameter);
  73                                 n->unaryOperationOperand = sltTreeMap(n->unaryOperationOperand, callback, postCallback, userParameter);
  74                                 break;
  75
  76                         case SLTNodeTypeBinaryOperation:
  77                                 n->binaryOperationOperator = sltTreeMap(n->binaryOperationOperator, callback, postCallback, userParameter);
  78                                 n->binaryOperationLHS = sltTreeMap(n->binaryOperationLHS, callback, postCallback, userParameter);
  79                                 n->binaryOperationRHS = sltTreeMap(n->binaryOperationRHS, callback, postCallback, userParameter);
  80                                 break;
  81
  82                         case SLTNodeTypeAssignment:
  83                                 n->assignmentTarget = sltTreeMap(n->assignmentTarget, callback, postCallback, userParameter);
  84                                 n->assignmentSource = sltTreeMap(n->assignmentSource, callback, postCallback, userParameter);
  85                                 break;
  86
  87                         case SLTNodeTypeReturn:
  88                                 n->returnExpression = sltTreeMap(n->returnExpression, callback, postCallback, userParameter);
  89                                 break;
  90
  91                         //case SLTNodeTypeIteration:
  92                         case SLTNodeTypeForIteration:
  93                         case SLTNodeTypeDoIteration:
  94                         case SLTNodeTypeWhileIteration:
  95                                 n->iterationInitialExpression = sltTreeMap(n->iterationInitialExpression, callback, postCallback, userParameter);
  96                                 n->iterationPreValidExpression = sltTreeMap(n->iterationPreValidExpression, callback, postCallback, userParameter);
  97                                 n->iterationPostValidExpression = sltTreeMap(n->iterationPostValidExpression, callback, postCallback, userParameter);
  98                                 n->iterationLoopExpression = sltTreeMap(n->iterationLoopExpression, callback, postCallback, userParameter);
  99                                 n->iterationStatement = sltTreeMap(n->iterationStatement, callback, postCallback, userParameter);
 100                                 break;
 101
 102                         case SLTNodeTypeSelection:
 103                                 n->selectionValidExpression = sltTreeMap(n->selectionValidExpression, callback, postCallback, userParameter);
 104                                 n->selectionValidStatement = sltTreeMap(n->selectionValidStatement, callback, postCallback, userParameter);
 105                                 n->selectionInvalidStatement = sltTreeMap(n->selectionInvalidStatement, callback, postCallback, userParameter);
 106                                 break;
 107
 108                         case SLTNodeTypeStatementBlock:
 109                                 n->statementBlockContents = sltTreeMap(n->statementBlockContents, callback, postCallback, userParameter);
 110                                 break;
 111
 112                         case SLTNodeTypeVariableDefinition:
 113                                 n->variableDefinitionType = sltTreeMap(n->variableDefinitionType, callback, postCallback, userParameter);
 114                                 n->variableDefinitionIdentifier = sltTreeMap(n->variableDefinitionIdentifier, callback, postCallback, userParameter);
 115                                 n->variableDefinitionDefaultExpression = sltTreeMap(n->variableDefinitionDefaultExpression, callback, postCallback, userParameter);
 116                                 break;
 117
 118                         case SLTNodeTypeUserDefinedTypeDefinition:
 119                                 n->typeDefinitionIdentifier = sltTreeMap(n->typeDefinitionIdentifier, callback, postCallback, userParameter);
 120                                 n->typeDefinitionMembers = sltTreeMap(n->typeDefinitionMembers, callback, postCallback, userParameter);
 121                                 break;
 122
 123                         case SLTNodeTypeUserDefinedTypeMemberDefinition:
 124                                 n->typeMemberDefinitionType = sltTreeMap(n->typeMemberDefinitionType, callback, postCallback, userParameter);
 125                                 n->typeMemberDefinitionIdentifier = sltTreeMap(n->typeMemberDefinitionIdentifier, callback, postCallback, userParameter);
 126                                 break;
 127
 128                         case SLTNodeTypeFunctionDefinition:
 129                                 n->functionDefinitionType = sltTreeMap(n->functionDefinitionType, callback, postCallback, userParameter);
 130                                 n->functionDefinitionIdentifier = sltTreeMap(n->functionDefinitionIdentifier, callback, postCallback, userParameter);
 131                                 n->functionDefinitionParameters = sltTreeMap(n->functionDefinitionParameters, callback, postCallback, userParameter);
 132                                 n->functionDefinitionBody = sltTreeMap(n->functionDefinitionBody, callback, postCallback, userParameter);
 133                                 break;
 134
 135                         case SLTNodeTypeFunctionParameterDefinition:
 136                                 n->functionParameterDefinitionType = sltTreeMap(n->functionParameterDefinitionType, callback, postCallback, userParameter);
 137                                 n->functionParameterDefinitionIdentifier = sltTreeMap(n->functionParameterDefinitionIdentifier, callback, postCallback, userParameter);
 138                                 break;
 139
 140                         case SLTNodeTypeModule:
 141                                 n->moduleStatementsAndDefinitions = sltTreeMap(n->moduleStatementsAndDefinitions, callback, postCallback, userParameter);
 142                                 break;
 143
 144                         case SLTNodeTypeSequence: {
 145                                 SLTNode  *readHead = n;
 146                                 SLTNode  *writeHead = n;
 147                                 SLTNode **writeLast = &n;
 148
 149                                 *writeLast = NULL;
 150
 151                                 while (readHead != NULL) {
 152                                         writeHead->sequenceNode = sltTreeMap(readHead->sequenceNode, callback, postCallback, userParameter);
 153                                         readHead = readHead->sequenceNext;
 154
 155                                         if (writeHead->sequenceNode != NULL) {
 156                                                 *writeLast = writeHead;
 157                                                 writeLast = &writeHead->sequenceNext;
 158                                                 writeHead = writeHead->sequenceNext;
 159                                                 *writeLast = NULL;
 160                                         }
 161                                 }
 162
 163                                 break;
 164                         }
 165                 }
 166         }
 167
 168         if (postCallback != NULL && n != NULL && n->type != SLTNodeTypeSequence) {
 169                 n = postCallback(n, userParameter);
 170         }
 171
 172         return n;
 173 }
 174
 175 SLTNode *treeIterateCallback(SLTNode *node, void *extra) {
 176         TreeIteratorCallbackDetails *details = (TreeIteratorCallbackDetails *)extra;
 177         details->callback(node, details->userParameter);
 178         return node;
 179 }
 180
 181 SLTNode *treeIteratePostCallback(SLTNode *node, void *extra) {
 182         TreeIteratorCallbackDetails *details = (TreeIteratorCallbackDetails *)extra;
 183         details->postCallback(node, details->userParameter);
 184         return node;
 185 }