//===----------------------------------------------------------------------===//
#include "ClangASTNodesEmitter.h"
-#include "Record.h"
-#include <map>
-#include <cctype>
+#include <set>
using namespace llvm;
//===----------------------------------------------------------------------===//
// Statement Node Tables (.inc file) generation.
//===----------------------------------------------------------------------===//
-// Create a macro-ized version of a name
-static std::string macroName(std::string S) {
- for (unsigned i = 0; i < S.size(); ++i)
- S[i] = std::toupper(S[i]);
-
- return S;
-}
-
-// A map from a node to each of its derived nodes.
-typedef std::multimap<Record*, Record*> ChildMap;
-typedef ChildMap::const_iterator ChildIterator;
-
// Returns the first and last non-abstract subrecords
// Called recursively to ensure that nodes remain contiguous
-static std::pair<Record *, Record *> EmitStmtNode(const ChildMap &Tree,
- raw_ostream &OS,
- Record *Base,
- bool Root = true) {
+std::pair<Record *, Record *> ClangASTNodesEmitter::EmitNode(
+ const ChildMap &Tree,
+ raw_ostream &OS,
+ Record *Base) {
std::string BaseName = macroName(Base->getName());
ChildIterator i = Tree.lower_bound(Base), e = Tree.upper_bound(Base);
OS << "#endif\n";
if (Abstract)
- OS << "ABSTRACT_STMT(" << NodeName << "(" << R->getName() << ", "
- << Base->getName() << "))\n";
+ OS << "ABSTRACT_" << macroName(Root.getName()) << "(" << NodeName << "("
+ << R->getName() << ", " << baseName(*Base) << "))\n";
else
OS << NodeName << "(" << R->getName() << ", "
- << Base->getName() << ")\n";
+ << baseName(*Base) << ")\n";
if (Tree.find(R) != Tree.end()) {
const std::pair<Record *, Record *> &Result
- = EmitStmtNode(Tree, OS, R, false);
+ = EmitNode(Tree, OS, R);
if (!First && Result.first)
First = Result.first;
if (Result.second)
if (First) {
assert (Last && "Got a first node but not a last node for a range!");
- if (Root)
- OS << "LAST_STMT_RANGE(";
+ if (Base == &Root)
+ OS << "LAST_" << macroName(Root.getName()) << "_RANGE(";
else
- OS << "STMT_RANGE(";
-
+ OS << macroName(Root.getName()) << "_RANGE(";
OS << Base->getName() << ", " << First->getName() << ", "
<< Last->getName() << ")\n\n";
}
return std::make_pair(First, Last);
}
-void ClangStmtNodesEmitter::run(raw_ostream &OS) {
+void ClangASTNodesEmitter::run(raw_ostream &OS) {
// Write the preamble
- OS << "#ifndef ABSTRACT_STMT\n";
- OS << "# define ABSTRACT_STMT(Stmt) Stmt\n";
+ OS << "#ifndef ABSTRACT_" << macroName(Root.getName()) << "\n";
+ OS << "# define ABSTRACT_" << macroName(Root.getName()) << "(Type) Type\n";
OS << "#endif\n";
- OS << "#ifndef STMT_RANGE\n";
- OS << "# define STMT_RANGE(Base, First, Last)\n";
+ OS << "#ifndef " << macroName(Root.getName()) << "_RANGE\n";
+ OS << "# define "
+ << macroName(Root.getName()) << "_RANGE(Base, First, Last)\n";
OS << "#endif\n\n";
- OS << "#ifndef LAST_STMT_RANGE\n";
- OS << "# define LAST_STMT_RANGE(Base, First, Last) "
- "STMT_RANGE(Base, First, Last)\n";
+ OS << "#ifndef LAST_" << macroName(Root.getName()) << "_RANGE\n";
+ OS << "# define LAST_"
+ << macroName(Root.getName()) << "_RANGE(Base, First, Last) "
+ << macroName(Root.getName()) << "_RANGE(Base, First, Last)\n";
OS << "#endif\n\n";
// Emit statements
- const std::vector<Record*> Stmts = Records.getAllDerivedDefinitions("Stmt");
+ const std::vector<Record*> Stmts
+ = Records.getAllDerivedDefinitions(Root.getName());
ChildMap Tree;
- // Create a pseudo-record to serve as the Stmt node, which isn't actually
- // output.
- Record Stmt ("Stmt", SMLoc());
-
for (unsigned i = 0, e = Stmts.size(); i != e; ++i) {
Record *R = Stmts[i];
if (R->getValue("Base"))
Tree.insert(std::make_pair(R->getValueAsDef("Base"), R));
else
- Tree.insert(std::make_pair(&Stmt, R));
+ Tree.insert(std::make_pair(&Root, R));
}
- EmitStmtNode(Tree, OS, &Stmt);
+ EmitNode(Tree, OS, &Root);
+
+ OS << "#undef " << macroName(Root.getName()) << "\n";
+ OS << "#undef " << macroName(Root.getName()) << "_RANGE\n";
+ OS << "#undef LAST_" << macroName(Root.getName()) << "_RANGE\n";
+ OS << "#undef ABSTRACT_" << macroName(Root.getName()) << "\n";
+}
+
+void ClangDeclContextEmitter::run(raw_ostream &OS) {
+ // FIXME: Find a .td file format to allow for this to be represented better.
+
+ OS << "#ifndef DECL_CONTEXT\n";
+ OS << "# define DECL_CONTEXT(DECL)\n";
+ OS << "#endif\n";
+
+ OS << "#ifndef DECL_CONTEXT_BASE\n";
+ OS << "# define DECL_CONTEXT_BASE(DECL) DECL_CONTEXT(DECL)\n";
+ OS << "#endif\n";
+
+ typedef std::set<Record*> RecordSet;
+ typedef std::vector<Record*> RecordVector;
+
+ RecordVector DeclContextsVector
+ = Records.getAllDerivedDefinitions("DeclContext");
+ RecordVector Decls = Records.getAllDerivedDefinitions("Decl");
+ RecordSet DeclContexts (DeclContextsVector.begin(), DeclContextsVector.end());
+
+ for (RecordVector::iterator i = Decls.begin(), e = Decls.end(); i != e; ++i) {
+ Record *R = *i;
+
+ if (R->getValue("Base")) {
+ Record *B = R->getValueAsDef("Base");
+ if (DeclContexts.find(B) != DeclContexts.end()) {
+ OS << "DECL_CONTEXT_BASE(" << B->getName() << ")\n";
+ DeclContexts.erase(B);
+ }
+ }
+ }
+
+ for (RecordSet::iterator i = DeclContexts.begin(), e = DeclContexts.end();
+ i != e; ++i) {
+ OS << "DECL_CONTEXT(" << (*i)->getName() << ")\n";
+ }
- OS << "#undef STMT\n";
- OS << "#undef STMT_RANGE\n";
- OS << "#undef LAST_STMT_RANGE\n";
- OS << "#undef ABSTRACT_STMT\n";
+ OS << "#undef DECL_CONTEXT\n";
+ OS << "#undef DECL_CONTEXT_BASE\n";
}
#define CLANGAST_EMITTER_H
#include "TableGenBackend.h"
+#include "Record.h"
+#include <string>
+#include <cctype>
+#include <map>
namespace llvm {
-/// ClangStmtNodesEmitter - The top-level class emits .def files containing
+/// ClangStmtNodesEmitter - The top-level class emits .inc files containing
/// declarations of Clang statements.
///
-class ClangStmtNodesEmitter : public TableGenBackend {
+class ClangASTNodesEmitter : public TableGenBackend {
+ // A map from a node to each of its derived nodes.
+ typedef std::multimap<Record*, Record*> ChildMap;
+ typedef ChildMap::const_iterator ChildIterator;
+
RecordKeeper &Records;
+ Record Root;
+ const std::string &BaseSuffix;
+
+ // Create a macro-ized version of a name
+ static std::string macroName(std::string S) {
+ for (unsigned i = 0; i < S.size(); ++i)
+ S[i] = std::toupper(S[i]);
+
+ return S;
+ }
+
+ // Return the name to be printed in the base field. Normally this is
+ // the record's name plus the base suffix, but if it is the root node and
+ // the suffix is non-empty, it's just the suffix.
+ std::string baseName(Record &R) {
+ if (&R == &Root && !BaseSuffix.empty())
+ return BaseSuffix;
+
+ return R.getName() + BaseSuffix;
+ }
+
+ std::pair<Record *, Record *> EmitNode (const ChildMap &Tree, raw_ostream& OS,
+ Record *Base);
+public:
+ explicit ClangASTNodesEmitter(RecordKeeper &R, const std::string &N,
+ const std::string &S)
+ : Records(R), Root(N, SMLoc()), BaseSuffix(S)
+ {}
+
+ // run - Output the .inc file contents
+ void run(raw_ostream &OS);
+};
+
+/// ClangDeclContextEmitter - Emits an addendum to a .inc file to enumerate the
+/// clang declaration contexts.
+///
+class ClangDeclContextEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
public:
- explicit ClangStmtNodesEmitter(RecordKeeper &R)
- : Records(R) {}
+ explicit ClangDeclContextEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
- // run - Output the .def file contents
+ // run - Output the .inc file contents
void run(raw_ostream &OS);
};