use of claw.tatsu.xcodeml.xnode.common.Xattr in project claw-compiler by C2SM-RCM.
the class Xmod method updateSignature.
/**
* Update the function signature in the module file to reflects local changes.
*
* @param moduleName Xmod name to update.
* @param xcodeml Current XcodeML file unit.
* @param fctDef Function definition that has been changed.
* @param fctType Function type that has been changed.
* @param importFctType If true, import the functionType.
* @throws IllegalTransformationException If the module file or the function
* cannot be located
*/
public static void updateSignature(String moduleName, XcodeProgram xcodeml, FfunctionDefinition fctDef, FfunctionType fctType, boolean importFctType) throws IllegalTransformationException {
final Context context = xcodeml.context();
FortranModule mod;
if (context.getModuleCache().isModuleLoaded(moduleName)) {
mod = context.getModuleCache().get(moduleName);
} else {
mod = fctDef.findContainingXmod(context);
if (mod == null) {
throw new IllegalTransformationException("Unable to locate module file for: " + moduleName);
}
context.getModuleCache().add(moduleName, mod);
}
FfunctionType fctTypeMod;
if (importFctType) {
// TODO should be part of XcodeML
Xnode importedNode = mod.importNode(fctType);
mod.getTypeTable().append(importedNode);
FfunctionType importedFctType = new FfunctionType(importedNode);
Xid importedFctTypeId = mod.createId(importedFctType.getType(), XstorageClass.F_FUNC, fctDef.getName());
mod.getIdentifiers().add(importedFctTypeId);
// check if params need to be imported as well
if (!importedFctType.getParameters().isEmpty()) {
for (Xnode param : importedFctType.getParameters()) {
mod.importType(xcodeml, param.getType());
}
}
return;
} else {
fctTypeMod = mod.findFunctionType(fctDef.getName());
}
if (fctTypeMod == null) {
/*
* Workaround for a bug in OMNI Compiler. Look at test case claw/abstraction12.
* In this test case, the XcodeML/F intermediate representation for the function
* call points to a FfunctionType element with no parameters. Thus, we have to
* matchSeq the correct FfunctionType for the same function/subroutine with the
* same name in the module symbol table.
*/
String errorMsg = "Unable to locate fct " + fctDef.getName() + " in module " + moduleName;
/*
* If not, try to matchSeq the correct FfunctionType in the module definitions
*/
fctTypeMod = mod.findFunctionType(fctDef.getName());
if (fctTypeMod == null) {
throw new IllegalTransformationException(errorMsg);
}
}
FbasicType modIntTypeIntentIn = mod.createBasicType(FortranType.INTEGER, Intent.IN);
mod.getTypeTable().add(modIntTypeIntentIn);
List<Xnode> paramsLocal = fctType.getParameters();
List<Xnode> paramsMod = fctTypeMod.getParameters();
if (paramsLocal.size() < paramsMod.size()) {
throw new IllegalTransformationException("Local function has more parameters than module counterpart.");
}
for (int i = 0; i < paramsLocal.size(); ++i) {
Xnode pLocal = paramsLocal.get(i);
// Number of parameters in the module function as been
if (pLocal.getBooleanAttribute(Xattr.IS_INSERTED)) {
// new parameter
Xnode param = mod.createAndAddParamIfNotExists(pLocal.value(), modIntTypeIntentIn.getType(), fctTypeMod);
if (param != null) {
param.setBooleanAttribute(Xattr.IS_INSERTED, true);
}
} else {
Xnode pMod = paramsMod.get(i);
String localType = pLocal.getType();
String modType = pMod.getType();
if (!localType.equals(modType)) {
// Param has been updated so have to replicate the change to mod file
FbasicType lType = xcodeml.getTypeTable().getBasicType(pLocal);
FbasicType crtType = mod.getTypeTable().getBasicType(pMod);
if (pLocal.hasAttribute(Xattr.PROMOTION_INFO)) {
PromotionInfo promotionInfo = new PromotionInfo();
promotionInfo.readDimensionsFromString(pLocal.getAttribute(Xattr.PROMOTION_INFO));
if (lType.isArray()) {
FbasicType newType = Type.duplicateWithDimension(lType, crtType, xcodeml, mod, promotionInfo.getDimensions());
pMod.setType(newType);
}
}
}
// Copy the promotion information
pLocal.copyAttribute(pMod, Xattr.PROMOTION_INFO);
}
}
// Sync attribute between local fct type and module fct type.
for (Xattr attr : SYNCABLE_ATTR) {
fctType.syncBooleanAttribute(fctTypeMod, attr);
}
}
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