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change the API to allow different grammar revisions

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This commit is contained in:
krangelov
2021-09-06 15:49:39 +02:00
parent b7cddf206b
commit 9cea2cc70e
14 changed files with 298 additions and 226 deletions
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16
src/runtime/c/pgf/db.h
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@@ -3,10 +3,10 @@
#define MALLOC_ALIGN_MASK (2*sizeof(size_t) - 1)
class DB;
class PgfDB;
extern PGF_INTERNAL_DECL __thread unsigned char* current_base __attribute__((tls_model("initial-exec")));
extern PGF_INTERNAL_DECL __thread DB* current_db __attribute__((tls_model("initial-exec")));
extern PGF_INTERNAL_DECL __thread PgfDB* current_db __attribute__((tls_model("initial-exec")));
struct malloc_state;
@@ -14,7 +14,7 @@ template<class A> class PGF_INTERNAL_DECL ref {
private:
object offset;
friend class DB;
friend class PgfDB;
public:
ref<A>() { }
@@ -54,7 +54,7 @@ public:
}
};
class PGF_INTERNAL_DECL DB {
class PgfDB {
private:
int fd;
malloc_state* ms;
@@ -64,8 +64,8 @@ private:
friend class PgfReader;
public:
DB(const char* pathname, int flags, int mode);
~DB();
PgfDB(const char* pathname, int flags, int mode);
~PgfDB();
template<class A>
static ref<A> malloc() {
@@ -112,11 +112,11 @@ enum DB_scope_mode {READER_SCOPE, WRITER_SCOPE};
class PGF_INTERNAL_DECL DB_scope {
public:
DB_scope(DB *db, DB_scope_mode type);
DB_scope(PgfDB *db, DB_scope_mode type);
~DB_scope();
private:
DB* save_db;
PgfDB* save_db;
DB_scope* next_scope;
};