Remove dynastack support from runtime

Issue #1982

1 files changed, 0 insertions, 75 deletions

diff --git a/src/rt/rust_obstack.h b/src/rt/rust_obstack.h
deleted file mode 100644
index 99d9ba801b4..00000000000
--- a/src/rt/rust_obstack.h
+++ /dev/null
@@ -1,75 +0,0 @@
-// Object stacks, used in lieu of dynamically-sized frames.
-
-#ifndef RUST_OBSTACK_H
-#define RUST_OBSTACK_H
-
-#include <utility>
-
-struct rust_obstack_alloc;
-struct rust_task;
-struct type_desc;
-
-// A contiguous set of allocations.
-struct rust_obstack_chunk {
-    rust_obstack_chunk *prev;
-    size_t size;
-    size_t alen;
-    size_t pad;
-    uint8_t data[];
-
-    rust_obstack_chunk(rust_obstack_chunk *in_prev, size_t in_size)
-    : prev(in_prev), size(in_size), alen(0) {}
-
-    void *alloc(size_t len, type_desc *tydesc);
-    bool free(void *ptr);
-    void *mark();
-};
-
-class rust_obstack {
-    rust_obstack_chunk *chunk;
-    rust_task *task;
-
-    // Allocates the given number of bytes in a new chunk.
-    void *alloc_new(size_t len, type_desc *tydesc);
-
-public:
-    class iterator {
-        rust_obstack_chunk *chunk;
-        rust_obstack_alloc *alloc;
-
-    public:
-        iterator(rust_obstack_chunk *in_chunk)
-        : chunk(in_chunk),
-          alloc(in_chunk
-                ? reinterpret_cast<rust_obstack_alloc *>(in_chunk->data)
-                : NULL) {}
-
-        std::pair<const type_desc *,void *> operator*() const;
-        iterator &operator++();
-        bool operator==(const iterator &other) const;
-        bool operator!=(const iterator &other) const;
-    };
-
-    rust_obstack(rust_task *in_task) : chunk(NULL), task(in_task) {}
-    ~rust_obstack();
-
-    inline iterator begin() const {
-        iterator it(chunk);
-        return it;
-    }
-
-    inline iterator end() const {
-        iterator it(NULL);
-        return it;
-    }
-
-    void *alloc(size_t len, type_desc *tydesc);
-    void free(void *ptr);
-    void *mark();
-
-    /** Debugging tool: dumps the contents of this obstack to stderr. */
-    void dump() const;
-};
-
-#endif
-