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support for <exp>[ff] <op>= <rhs>

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This commit is contained in:
Kevin Glynn 2011-02-04 06:21:58 +01:00
parent 839a67bf19
commit dd23453b72
1 changed files with 58 additions and 20 deletions
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78
CSharpTranslator/antlr3/src/cs2j/CSharp/NetMaker.g
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@ -910,37 +910,73 @@ assignment
if (seType != null) {
ResolveResult fieldResult = seType.Resolve($i.thetext, AppEnv);
if (fieldResult != null && fieldResult.Result is PropRepTemplate) {
Debug($i.tree.Token.Line + ": Found '" + $i.thetext + "'");
CommonTree newRhsExp = $rhs.tree;
if ($a.tree.Token.Type != ASSIGN) {
// we have prop <op>= rhs
// need to translate to setProp(getProp <op> rhs)
Dictionary<string,CommonTree> rhsMap = new Dictionary<string,CommonTree>();
PropRepTemplate propRep = fieldResult.Result as PropRepTemplate;
if (!String.IsNullOrEmpty(propRep.JavaSet)) {
CommonTree newRhsExp = $rhs.tree;
// if assignment operator is a short cut operator then only translate if we also have JavaGet
bool goodTx = true;
if ($a.tree.Token.Type != ASSIGN) {
if (!String.IsNullOrEmpty(propRep.JavaGet)) {
// we have prop <op>= rhs
// need to translate to setProp(getProp <op> rhs)
Dictionary<string,CommonTree> rhsMap = new Dictionary<string,CommonTree>();
if (!isThis)
rhsMap["this"] = wrapExpression($se.tree, $i.tree.Token);
CommonTree rhsPropTree = mkJavaWrapper(propRep.JavaGet, rhsMap, $a.tree.Token);
newRhsExp = mkOpExp(mkOpExp($a.tree), rhsPropTree, $rhs.tree);
}
else {
goodTx = false;
}
}
Dictionary<string,CommonTree> valMap = new Dictionary<string,CommonTree>();
if (!isThis)
rhsMap["this"] = wrapExpression($se.tree, $i.tree.Token);
CommonTree rhsPropTree = mkJavaWrapper(((PropRepTemplate)fieldResult.Result).JavaGet, rhsMap, $a.tree.Token);
newRhsExp = mkOpExp(mkOpExp($a.tree), rhsPropTree, $rhs.tree);
valMap["this"] = wrapExpression($se.tree, $i.tree.Token);
valMap["value"] = wrapExpression(newRhsExp, $i.tree.Token);
if (goodTx) {
ret = mkJavaWrapper(propRep.JavaSet, valMap, $a.tree.Token);
Imports.Add(propRep.Imports);
}
}
Dictionary<string,CommonTree> valMap = new Dictionary<string,CommonTree>();
if (!isThis)
valMap["this"] = wrapExpression($se.tree, $i.tree.Token);
valMap["value"] = wrapExpression(newRhsExp, $i.tree.Token);
ret = mkJavaWrapper(((PropRepTemplate)fieldResult.Result).JavaSet, valMap, $a.tree.Token);
Imports.Add(fieldResult.Result.Imports);
}
}
}
| (^(INDEX expression expression_list?) '=') =>
^(INDEX ie=expression expression_list?) ia='=' irhs=expression
| (^(INDEX expression expression_list?) assignment_operator) =>
^(INDEX ie=expression expression_list?) ia=assignment_operator irhs=expression
{
if ($ie.dotNetType != null) {
ResolveResult indexerResult = $ie.dotNetType.ResolveIndexer($expression_list.expTypes ?? new List<TypeRepTemplate>(), AppEnv);
if (indexerResult != null) {
IndexerRepTemplate indexerRep = indexerResult.Result as IndexerRepTemplate;
if (!String.IsNullOrEmpty(indexerRep.JavaSet)) {
CommonTree newRhsExp = $irhs.tree;
// if assignment operator is a short cut operator then only translate if we also have JavaGet
bool goodTx = true;
if ($ia.tree.Token.Type != ASSIGN) {
if (!String.IsNullOrEmpty(indexerRep.JavaGet)) {
// we have indexable[args] <op>= rhs
// need to translate to set___idx(args, get___idx(args) <op> rhs)
Dictionary<string,CommonTree> rhsMap = new Dictionary<string,CommonTree>();
rhsMap["this"] = wrapExpression($ie.tree, $ie.tree.Token);
for (int idx = 0; idx < indexerRep.Params.Count; idx++) {
rhsMap[indexerRep.Params[idx].Name] = wrapArgument($expression_list.expTrees[idx], $ie.tree.Token);
if (indexerRep.Params[idx].Name.StartsWith("TYPEOF") && $expression_list.expTreeTypeofTypes[idx] != null) {
// if this argument is a typeof expression then add a TYPEOF_TYPEOF-> typeof's type mapping
rhsMap[indexerRep.Params[idx].Name + "_TYPE"] = wrapTypeOfType($expression_list.expTreeTypeofTypes[idx], $ie.tree.Token);
}
}
CommonTree rhsIdxTree = mkJavaWrapper(indexerRep.JavaGet, rhsMap, $ia.tree.Token);
newRhsExp = mkOpExp(mkOpExp($ia.tree), rhsIdxTree, $irhs.tree);
}
else {
goodTx = false;
}
}
Dictionary<string,CommonTree> myMap = new Dictionary<string,CommonTree>();
myMap["this"] = wrapExpression($ie.tree, $ie.tree.Token);
myMap["value"] = wrapExpression($irhs.tree, $irhs.tree.Token);
myMap["value"] = wrapExpression(newRhsExp, newRhsExp.Token);
for (int idx = 0; idx < indexerRep.Params.Count; idx++) {
myMap[indexerRep.Params[idx].Name] = wrapArgument($expression_list.expTrees[idx], $ie.tree.Token);
if (indexerRep.Params[idx].Name.StartsWith("TYPEOF") && $expression_list.expTreeTypeofTypes[idx] != null) {
@ -948,8 +984,10 @@ assignment
myMap[indexerRep.Params[idx].Name + "_TYPE"] = wrapTypeOfType($expression_list.expTreeTypeofTypes[idx], $ie.tree.Token);
}
}
ret = mkJavaWrapper(indexerRep.JavaSet, myMap, $ie.tree.Token);
Imports.Add(indexerRep.Imports);
if (goodTx) {
ret = mkJavaWrapper(indexerRep.JavaSet, myMap, $ie.tree.Token);
Imports.Add(indexerRep.Imports);
}
}
}
}