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-rw-r--r--utils/TableGen/OptParserEmitter.cpp101
1 files changed, 89 insertions, 12 deletions
diff --git a/utils/TableGen/OptParserEmitter.cpp b/utils/TableGen/OptParserEmitter.cpp
index b0431a9be16b..674c89af9f99 100644
--- a/utils/TableGen/OptParserEmitter.cpp
+++ b/utils/TableGen/OptParserEmitter.cpp
@@ -7,9 +7,15 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenBackend.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
+
+#include <map>
+
using namespace llvm;
static int StrCmpOptionName(const char *A, const char *B) {
@@ -32,8 +38,8 @@ static int StrCmpOptionName(const char *A, const char *B) {
}
static int CompareOptionRecords(const void *Av, const void *Bv) {
- const Record *A = *(Record**) Av;
- const Record *B = *(Record**) Bv;
+ const Record *A = *(const Record*const*) Av;
+ const Record *B = *(const Record*const*) Bv;
// Sentinel options precede all others and are only ordered by precedence.
bool ASent = A->getValueAsDef("Kind")->getValueAsBit("Sentinel");
@@ -47,16 +53,38 @@ static int CompareOptionRecords(const void *Av, const void *Bv) {
B->getValueAsString("Name").c_str()))
return Cmp;
+ if (!ASent) {
+ std::vector<std::string> APrefixes = A->getValueAsListOfStrings("Prefixes");
+ std::vector<std::string> BPrefixes = B->getValueAsListOfStrings("Prefixes");
+
+ for (std::vector<std::string>::const_iterator APre = APrefixes.begin(),
+ AEPre = APrefixes.end(),
+ BPre = BPrefixes.begin(),
+ BEPre = BPrefixes.end();
+ APre != AEPre &&
+ BPre != BEPre;
+ ++APre, ++BPre) {
+ if (int Cmp = StrCmpOptionName(APre->c_str(), BPre->c_str()))
+ return Cmp;
+ }
+ }
+
// Then by the kind precedence;
int APrec = A->getValueAsDef("Kind")->getValueAsInt("Precedence");
int BPrec = B->getValueAsDef("Kind")->getValueAsInt("Precedence");
- assert(APrec != BPrec && "Options are equivalent!");
+ if (APrec == BPrec &&
+ A->getValueAsListOfStrings("Prefixes") ==
+ B->getValueAsListOfStrings("Prefixes")) {
+ PrintError(A->getLoc(), Twine("Option is equivilent to"));
+ PrintError(B->getLoc(), Twine("Other defined here"));
+ PrintFatalError("Equivalent Options found.");
+ }
return APrec < BPrec ? -1 : 1;
}
static const std::string getOptionName(const Record &R) {
// Use the record name unless EnumName is defined.
- if (dynamic_cast<UnsetInit*>(R.getValueInit("EnumName")))
+ if (isa<UnsetInit>(R.getValueInit("EnumName")))
return R.getName();
return R.getValueAsString("EnumName");
@@ -86,6 +114,48 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
array_pod_sort(Opts.begin(), Opts.end(), CompareOptionRecords);
if (GenDefs) {
+ // Generate prefix groups.
+ typedef SmallVector<SmallString<2>, 2> PrefixKeyT;
+ typedef std::map<PrefixKeyT, std::string> PrefixesT;
+ PrefixesT Prefixes;
+ Prefixes.insert(std::make_pair(PrefixKeyT(), "prefix_0"));
+ unsigned CurPrefix = 0;
+ for (unsigned i = 0, e = Opts.size(); i != e; ++i) {
+ const Record &R = *Opts[i];
+ std::vector<std::string> prf = R.getValueAsListOfStrings("Prefixes");
+ PrefixKeyT prfkey(prf.begin(), prf.end());
+ unsigned NewPrefix = CurPrefix + 1;
+ if (Prefixes.insert(std::make_pair(prfkey, (Twine("prefix_") +
+ Twine(NewPrefix)).str())).second)
+ CurPrefix = NewPrefix;
+ }
+
+ OS << "#ifndef PREFIX\n";
+ OS << "#error \"Define PREFIX prior to including this file!\"\n";
+ OS << "#endif\n\n";
+
+ // Dump prefixes.
+ OS << "/////////\n";
+ OS << "// Prefixes\n\n";
+ OS << "#define COMMA ,\n";
+ for (PrefixesT::const_iterator I = Prefixes.begin(), E = Prefixes.end();
+ I != E; ++I) {
+ OS << "PREFIX(";
+
+ // Prefix name.
+ OS << I->second;
+
+ // Prefix values.
+ OS << ", {";
+ for (PrefixKeyT::const_iterator PI = I->first.begin(),
+ PE = I->first.end(); PI != PE; ++PI) {
+ OS << "\"" << *PI << "\" COMMA ";
+ }
+ OS << "0})\n";
+ }
+ OS << "#undef COMMA\n";
+ OS << "\n";
+
OS << "#ifndef OPTION\n";
OS << "#error \"Define OPTION prior to including this file!\"\n";
OS << "#endif\n\n";
@@ -98,8 +168,11 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
// Start a single option entry.
OS << "OPTION(";
+ // The option prefix;
+ OS << "0";
+
// The option string.
- OS << '"' << R.getValueAsString("Name") << '"';
+ OS << ", \"" << R.getValueAsString("Name") << '"';
// The option identifier name.
OS << ", "<< getOptionName(R);
@@ -109,7 +182,7 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
// The containing option group (if any).
OS << ", ";
- if (const DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Group")))
+ if (const DefInit *DI = dyn_cast<DefInit>(R.getValueInit("Group")))
OS << getOptionName(*DI->getDef());
else
OS << "INVALID";
@@ -118,7 +191,7 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
OS << ", INVALID, 0, 0";
// The option help text.
- if (!dynamic_cast<UnsetInit*>(R.getValueInit("HelpText"))) {
+ if (!isa<UnsetInit>(R.getValueInit("HelpText"))) {
OS << ",\n";
OS << " ";
write_cstring(OS, R.getValueAsString("HelpText"));
@@ -138,6 +211,10 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
// Start a single option entry.
OS << "OPTION(";
+ // The option prefix;
+ std::vector<std::string> prf = R.getValueAsListOfStrings("Prefixes");
+ OS << Prefixes[PrefixKeyT(prf.begin(), prf.end())] << ", ";
+
// The option string.
write_cstring(OS, R.getValueAsString("Name"));
@@ -149,14 +226,14 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
// The containing option group (if any).
OS << ", ";
- if (const DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Group")))
+ if (const DefInit *DI = dyn_cast<DefInit>(R.getValueInit("Group")))
OS << getOptionName(*DI->getDef());
else
OS << "INVALID";
// The option alias (if any).
OS << ", ";
- if (const DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Alias")))
+ if (const DefInit *DI = dyn_cast<DefInit>(R.getValueInit("Alias")))
OS << getOptionName(*DI->getDef());
else
OS << "INVALID";
@@ -170,7 +247,7 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
for (unsigned i = 0, e = LI->size(); i != e; ++i) {
if (i)
OS << " | ";
- OS << dynamic_cast<DefInit*>(LI->getElement(i))->getDef()->getName();
+ OS << cast<DefInit>(LI->getElement(i))->getDef()->getName();
}
}
@@ -178,7 +255,7 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
OS << ", " << R.getValueAsInt("NumArgs");
// The option help text.
- if (!dynamic_cast<UnsetInit*>(R.getValueInit("HelpText"))) {
+ if (!isa<UnsetInit>(R.getValueInit("HelpText"))) {
OS << ",\n";
OS << " ";
write_cstring(OS, R.getValueAsString("HelpText"));
@@ -187,7 +264,7 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS, bool GenDefs) {
// The option meta-variable name.
OS << ", ";
- if (!dynamic_cast<UnsetInit*>(R.getValueInit("MetaVarName")))
+ if (!isa<UnsetInit>(R.getValueInit("MetaVarName")))
write_cstring(OS, R.getValueAsString("MetaVarName"));
else
OS << "0";
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 11:19:05 +0000