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Add new getValueAsBitsInit 'high-level' method

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7467 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-08-01 04:46:24 +00:00
parent 1d1adea493
commit 6f334ad8f5
6 changed files with 50 additions and 18 deletions
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11
support/tools/TableGen/CodeEmitterGen.cpp
View File

@ -26,14 +26,7 @@ void CodeEmitterGen::run(std::ostream &o) {
o << " case " << Namespace << R->getName() << ": {\n"
<< " DEBUG(std::cerr << \"Emitting " << R->getName() << "\\n\");\n";
const RecordVal *InstVal = R->getValue("Inst");
if (!InstVal)
throw std::string("No 'Inst' record found in target description file!");
Init *InitVal = InstVal->getValue();
assert(dynamic_cast<BitsInit*>(InitVal) &&
"Can only handle undefined bits<> types!");
BitsInit *BI = (BitsInit*)InitVal;
BitsInit *BI = R->getValueAsBitsInit("Inst");
unsigned Value = 0;
const std::vector<RecordVal> &Vals = R->getValues();
@ -50,7 +43,7 @@ void CodeEmitterGen::run(std::ostream &o) {
}
DEBUG(o << "\n");
DEBUG(o << " // " << *InstVal << "\n");
DEBUG(o << " // " << *R->getValue("Inst") << "\n");
o << " Value = " << Value << "U;\n\n";
// Loop over all of the fields in the instruction adding in any

17
support/tools/TableGen/Record.cpp
View File

@ -468,6 +468,23 @@ std::string Record::getValueAsString(const std::string &FieldName) const {
"' does not have a string initializer!";
}
/// getValueAsBitsInit - This method looks up the specified field and returns
/// its value as a BitsInit, throwing an exception if the field does not exist
/// or if the value is not the right type.
///
BitsInit *Record::getValueAsBitsInit(const std::string &FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record '" + R->getName() + "' does not have a field named '" +
FieldName + "!\n";
if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
return BI;
throw "Record '" + R->getName() + "', field '" + FieldName +
"' does not have a BitsInit initializer!";
}
void RecordKeeper::dump() const { std::cerr << *this; }

6
support/tools/TableGen/Record.h
View File

@ -605,6 +605,12 @@ public:
///
std::string getValueAsString(const std::string &FieldName) const;
/// getValueAsBitsInit - This method looks up the specified field and returns
/// its value as a BitsInit, throwing an exception if the field does not exist
/// or if the value is not the right type.
///
BitsInit *getValueAsBitsInit(const std::string &FieldName) const;
};
std::ostream &operator<<(std::ostream &OS, const Record &R);

11
utils/TableGen/CodeEmitterGen.cpp
View File

@ -26,14 +26,7 @@ void CodeEmitterGen::run(std::ostream &o) {
o << " case " << Namespace << R->getName() << ": {\n"
<< " DEBUG(std::cerr << \"Emitting " << R->getName() << "\\n\");\n";
const RecordVal *InstVal = R->getValue("Inst");
if (!InstVal)
throw std::string("No 'Inst' record found in target description file!");
Init *InitVal = InstVal->getValue();
assert(dynamic_cast<BitsInit*>(InitVal) &&
"Can only handle undefined bits<> types!");
BitsInit *BI = (BitsInit*)InitVal;
BitsInit *BI = R->getValueAsBitsInit("Inst");
unsigned Value = 0;
const std::vector<RecordVal> &Vals = R->getValues();
@ -50,7 +43,7 @@ void CodeEmitterGen::run(std::ostream &o) {
}
DEBUG(o << "\n");
DEBUG(o << " // " << *InstVal << "\n");
DEBUG(o << " // " << *R->getValue("Inst") << "\n");
o << " Value = " << Value << "U;\n\n";
// Loop over all of the fields in the instruction adding in any

17
utils/TableGen/Record.cpp
View File

@ -468,6 +468,23 @@ std::string Record::getValueAsString(const std::string &FieldName) const {
"' does not have a string initializer!";
}
/// getValueAsBitsInit - This method looks up the specified field and returns
/// its value as a BitsInit, throwing an exception if the field does not exist
/// or if the value is not the right type.
///
BitsInit *Record::getValueAsBitsInit(const std::string &FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record '" + R->getName() + "' does not have a field named '" +
FieldName + "!\n";
if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
return BI;
throw "Record '" + R->getName() + "', field '" + FieldName +
"' does not have a BitsInit initializer!";
}
void RecordKeeper::dump() const { std::cerr << *this; }

6
utils/TableGen/Record.h
View File

@ -605,6 +605,12 @@ public:
///
std::string getValueAsString(const std::string &FieldName) const;
/// getValueAsBitsInit - This method looks up the specified field and returns
/// its value as a BitsInit, throwing an exception if the field does not exist
/// or if the value is not the right type.
///
BitsInit *getValueAsBitsInit(const std::string &FieldName) const;
};
std::ostream &operator<<(std::ostream &OS, const Record &R);