Initial Commit

thirdparty/capstone/suite/synctools/tablegen/include/llvm/TableGen/DirectiveEmitter.h

@@ -0,0 +1,207 @@
+#ifndef LLVM_TABLEGEN_DIRECTIVEEMITTER_H
+#define LLVM_TABLEGEN_DIRECTIVEEMITTER_H
+
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/TableGen/Record.h"
+
+namespace llvm {
+
+// Wrapper class that contains DirectiveLanguage's information defined in
+// DirectiveBase.td and provides helper methods for accessing it.
+class DirectiveLanguage {
+public:
+  explicit DirectiveLanguage(const llvm::RecordKeeper &Records)
+      : Records(Records) {
+    const auto &DirectiveLanguages = getDirectiveLanguages();
+    Def = DirectiveLanguages[0];
+  }
+
+  StringRef getName() const { return Def->getValueAsString("name"); }
+
+  StringRef getCppNamespace() const {
+    return Def->getValueAsString("cppNamespace");
+  }
+
+  StringRef getDirectivePrefix() const {
+    return Def->getValueAsString("directivePrefix");
+  }
+
+  StringRef getClausePrefix() const {
+    return Def->getValueAsString("clausePrefix");
+  }
+
+  StringRef getClauseEnumSetClass() const {
+    return Def->getValueAsString("clauseEnumSetClass");
+  }
+
+  StringRef getFlangClauseBaseClass() const {
+    return Def->getValueAsString("flangClauseBaseClass");
+  }
+
+  bool hasMakeEnumAvailableInNamespace() const {
+    return Def->getValueAsBit("makeEnumAvailableInNamespace");
+  }
+
+  bool hasEnableBitmaskEnumInNamespace() const {
+    return Def->getValueAsBit("enableBitmaskEnumInNamespace");
+  }
+
+  std::vector<Record *> getDirectives() const {
+    return Records.getAllDerivedDefinitions("Directive");
+  }
+
+  std::vector<Record *> getClauses() const {
+    return Records.getAllDerivedDefinitions("Clause");
+  }
+
+  bool HasValidityErrors() const;
+
+private:
+  const llvm::Record *Def;
+  const llvm::RecordKeeper &Records;
+
+  std::vector<Record *> getDirectiveLanguages() const {
+    return Records.getAllDerivedDefinitions("DirectiveLanguage");
+  }
+};
+
+// Base record class used for Directive and Clause class defined in
+// DirectiveBase.td.
+class BaseRecord {
+public:
+  explicit BaseRecord(const llvm::Record *Def) : Def(Def) {}
+
+  StringRef getName() const { return Def->getValueAsString("name"); }
+
+  StringRef getAlternativeName() const {
+    return Def->getValueAsString("alternativeName");
+  }
+
+  // Returns the name of the directive formatted for output. Whitespace are
+  // replaced with underscores.
+  std::string getFormattedName() {
+    StringRef Name = Def->getValueAsString("name");
+    std::string N = Name.str();
+    std::replace(N.begin(), N.end(), ' ', '_');
+    return N;
+  }
+
+  bool isDefault() const { return Def->getValueAsBit("isDefault"); }
+
+  // Returns the record name.
+  StringRef getRecordName() const { return Def->getName(); }
+
+protected:
+  const llvm::Record *Def;
+};
+
+// Wrapper class that contains a Directive's information defined in
+// DirectiveBase.td and provides helper methods for accessing it.
+class Directive : public BaseRecord {
+public:
+  explicit Directive(const llvm::Record *Def) : BaseRecord(Def) {}
+
+  std::vector<Record *> getAllowedClauses() const {
+    return Def->getValueAsListOfDefs("allowedClauses");
+  }
+
+  std::vector<Record *> getAllowedOnceClauses() const {
+    return Def->getValueAsListOfDefs("allowedOnceClauses");
+  }
+
+  std::vector<Record *> getAllowedExclusiveClauses() const {
+    return Def->getValueAsListOfDefs("allowedExclusiveClauses");
+  }
+
+  std::vector<Record *> getRequiredClauses() const {
+    return Def->getValueAsListOfDefs("requiredClauses");
+  }
+};
+
+// Wrapper class that contains Clause's information defined in DirectiveBase.td
+// and provides helper methods for accessing it.
+class Clause : public BaseRecord {
+public:
+  explicit Clause(const llvm::Record *Def) : BaseRecord(Def) {}
+
+  // Optional field.
+  StringRef getClangClass() const {
+    return Def->getValueAsString("clangClass");
+  }
+
+  // Optional field.
+  StringRef getFlangClass() const {
+    return Def->getValueAsString("flangClass");
+  }
+
+  // Get the formatted name for Flang parser class. The generic formatted class
+  // name is constructed from the name were the first letter of each word is
+  // captitalized and the underscores are removed.
+  // ex: async -> Async
+  //     num_threads -> NumThreads
+  std::string getFormattedParserClassName() {
+    StringRef Name = Def->getValueAsString("name");
+    std::string N = Name.str();
+    bool Cap = true;
+    std::transform(N.begin(), N.end(), N.begin(), [&Cap](unsigned char C) {
+      if (Cap == true) {
+        C = llvm::toUpper(C);
+        Cap = false;
+      } else if (C == '_') {
+        Cap = true;
+      }
+      return C;
+    });
+    llvm::erase_value(N, '_');
+    return N;
+  }
+
+  // Optional field.
+  StringRef getEnumName() const {
+    return Def->getValueAsString("enumClauseValue");
+  }
+
+  std::vector<Record *> getClauseVals() const {
+    return Def->getValueAsListOfDefs("allowedClauseValues");
+  }
+
+  bool isValueOptional() const { return Def->getValueAsBit("isValueOptional"); }
+
+  bool isValueList() const { return Def->getValueAsBit("isValueList"); }
+
+  StringRef getDefaultValue() const {
+    return Def->getValueAsString("defaultValue");
+  }
+
+  bool isImplicit() const { return Def->getValueAsBit("isImplicit"); }
+};
+
+// Wrapper class that contains VersionedClause's information defined in
+// DirectiveBase.td and provides helper methods for accessing it.
+class VersionedClause {
+public:
+  explicit VersionedClause(const llvm::Record *Def) : Def(Def) {}
+
+  // Return the specific clause record wrapped in the Clause class.
+  Clause getClause() const { return Clause{Def->getValueAsDef("clause")}; }
+
+  int64_t getMinVersion() const { return Def->getValueAsInt("minVersion"); }
+
+  int64_t getMaxVersion() const { return Def->getValueAsInt("maxVersion"); }
+
+private:
+  const llvm::Record *Def;
+};
+
+class ClauseVal : public BaseRecord {
+public:
+  explicit ClauseVal(const llvm::Record *Def) : BaseRecord(Def) {}
+
+  int getValue() const { return Def->getValueAsInt("value"); }
+
+  bool isUserVisible() const { return Def->getValueAsBit("isUserValue"); }
+};
+
+} // namespace llvm
+
+#endif