Remove some old forge hacks

Forge apparently removed all `.pack.xz` files without warning.
It broke a bunch of stuff, as always. But it also means we don't need some ugly code anymore.

This is removed:

- Support for 'forge-pack-xz' and the forge-specific file download compression.
- The pack200 library we no longer need.

This stays:

- The LZMA decompression library - we may still want to use it.

1 files changed, 0 insertions, 549 deletions

diff --git a/libraries/pack200/src/unpack.h b/libraries/pack200/src/unpack.h
deleted file mode 100644
index cc5dd60a..00000000
--- a/libraries/pack200/src/unpack.h
+++ /dev/null
@@ -1,549 +0,0 @@
-/*
- * Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#pragma once
-
-// Global Structures
-struct jar;
-struct gunzip;
-struct band;
-struct constant_pool;
-struct entry;
-struct cpindex;
-struct inner_class;
-struct value_stream;
-
-typedef int64_t (*read_input_fn_t)(unpacker *self, void *buf, int64_t minlen, int64_t maxlen);
-
-struct cpindex
-{
-    uint32_t len;
-    entry *base1;  // base of primary index
-    entry **base2; // base of secondary index
-    byte ixTag;    // type of entries (!= CONSTANT_None), plus 64 if sub-index
-    enum
-    {
-        SUB_TAG = 64
-    };
-
-    entry *get(uint32_t i);
-
-    void init(int len_, entry *base1_, int ixTag_)
-    {
-        len = len_;
-        base1 = base1_;
-        base2 = nullptr;
-        ixTag = ixTag_;
-    }
-    void init(int len_, entry **base2_, int ixTag_)
-    {
-        len = len_;
-        base1 = nullptr;
-        base2 = base2_;
-        ixTag = ixTag_;
-    }
-};
-
-struct constant_pool
-{
-    uint32_t nentries;
-    entry *entries;
-    entry *first_extra_entry;
-    uint32_t maxentries; // total allocated size of entries
-
-    // Position and size of each homogeneous subrange:
-    int tag_count[CONSTANT_Limit];
-    int tag_base[CONSTANT_Limit];
-    cpindex tag_index[CONSTANT_Limit];
-    ptrlist tag_extras[CONSTANT_Limit];
-
-    cpindex *member_indexes; // indexed by 2*CONSTANT_Class.inord
-    cpindex *getFieldIndex(entry *classRef);
-    cpindex *getMethodIndex(entry *classRef);
-
-    inner_class **ic_index;
-    inner_class **ic_child_index;
-    inner_class *getIC(entry *inner);
-    inner_class *getFirstChildIC(entry *outer);
-    inner_class *getNextChildIC(inner_class *child);
-
-    int outputIndexLimit;  // index limit after renumbering
-    ptrlist outputEntries; // list of entry* needing output idx assigned
-
-    entry **hashTab;
-    uint32_t hashTabLength;
-    entry *&hashTabRef(byte tag, bytes &b);
-    entry *ensureUtf8(bytes &b);
-    entry *ensureClass(bytes &b);
-
-    // Well-known Utf8 symbols.
-    enum
-    {
-#define SNAME(n, s) s_##s,
-        ALL_ATTR_DO(SNAME)
-#undef SNAME
-        s_lt_init_gt, // <init>
-        s_LIMIT
-    };
-    entry *sym[s_LIMIT];
-
-    // read counts from hdr, allocate main arrays
-    enum
-    {
-        NUM_COUNTS = 12
-    };
-    void init(unpacker *u, int counts[NUM_COUNTS]);
-
-    // pointer to outer unpacker, for error checks etc.
-    unpacker *u;
-
-    int getCount(byte tag)
-    {
-        assert((uint32_t)tag < CONSTANT_Limit);
-        return tag_count[tag];
-    }
-    cpindex *getIndex(byte tag)
-    {
-        assert((uint32_t)tag < CONSTANT_Limit);
-        return &tag_index[tag];
-    }
-    cpindex *getKQIndex(); // uses cur_descr
-
-    void expandSignatures();
-    void initMemberIndexes();
-
-    void computeOutputOrder();
-    void computeOutputIndexes();
-    void resetOutputIndexes();
-};
-
-/*
- * The unpacker provides the entry points to the unpack engine,
- * as well as maintains the state of the engine.
- */
-struct unpacker
-{
-    // One element of the resulting JAR.
-    struct file
-    {
-        const char *name;
-        uint64_t size;
-        int modtime;
-        int options;
-        bytes data[2];
-        // Note:  If Sum(data[*].len) < size,
-        // remaining bytes must be read directly from the input stream.
-        bool deflate_hint()
-        {
-            return ((options & FO_DEFLATE_HINT) != 0);
-        }
-    };
-
-    // if running Unix-style, here are the inputs and outputs
-    FILE *infileptr; // buffered
-    bytes inbytes;   // direct
-    gunzip *gzin;    // gunzip filter, if any
-    jar *jarout;     // output JAR file
-
-    // pointer to self, for U_NEW macro
-    unpacker *u;
-
-    ptrlist mallocs;     // list of guys to free when we are all done
-    ptrlist tmallocs;    // list of guys to free on next client request
-    fillbytes smallbuf;  // supplies small alloc requests
-    fillbytes tsmallbuf; // supplies temporary small alloc requests
-
-    // option management members
-    int verbose;              // verbose level, 0 means no output
-    int deflate_hint_or_zero; // ==0 means not set, otherwise -1 or 1
-    int modification_time_or_zero;
-
-    // input stream
-    fillbytes input; // the whole block (size is predicted, has slop too)
-    bool live_input; // is the data in this block live?
-    bool free_input; // must the input buffer be freed?
-    byte *rp;        // read pointer (< rplimit <= input.limit())
-    byte *rplimit;   // how much of the input block has been read?
-    uint64_t bytes_read;
-    int unsized_bytes_read;
-
-    // callback to read at least one byte, up to available input
-    read_input_fn_t read_input_fn;
-
-    // archive header fields
-    int magic, minver, majver;
-    size_t archive_size;
-    int archive_next_count, archive_options, archive_modtime;
-    int band_headers_size;
-    int file_count, attr_definition_count, ic_count, class_count;
-    int default_class_minver, default_class_majver;
-    int default_file_options, suppress_file_options;   // not header fields
-    int default_archive_modtime, default_file_modtime; // not header fields
-    int code_count;                                    // not a header field
-    int files_remaining;                               // not a header field
-
-    // engine state
-    band *all_bands;  // indexed by band_number
-    byte *meta_rp;    // read-pointer into (copy of) band_headers
-    constant_pool cp; // all constant pool information
-    inner_class *ics; // InnerClasses
-
-    // output stream
-    bytes output;  // output block (either classfile head or tail)
-    byte *wp;      // write pointer (< wplimit == output.limit())
-    byte *wpbase;  // write pointer starting address (<= wp)
-    byte *wplimit; // how much of the output block has been written?
-
-    // output state
-    file cur_file;
-    entry *cur_class;    // CONSTANT_Class entry
-    entry *cur_super;    // CONSTANT_Class entry or nullptr
-    entry *cur_descr;    // CONSTANT_NameandType entry
-    int cur_descr_flags; // flags corresponding to cur_descr
-    int cur_class_minver, cur_class_majver;
-    bool cur_class_has_local_ics;
-    fillbytes cur_classfile_head;
-    fillbytes cur_classfile_tail;
-    int files_written;   // also tells which file we're working on
-    int classes_written; // also tells which class we're working on
-    uint64_t bytes_written;
-    intlist bcimap;
-    fillbytes class_fixup_type;
-    intlist class_fixup_offset;
-    ptrlist class_fixup_ref;
-    fillbytes code_fixup_type; // which format of branch operand?
-    intlist code_fixup_offset; // location of operand needing fixup
-    intlist code_fixup_source; // encoded ID of branch insn
-    ptrlist requested_ics;     // which ics need output?
-
-    // stats pertaining to multiple segments (updated on reset)
-    uint64_t bytes_read_before_reset;
-    uint64_t bytes_written_before_reset;
-    int files_written_before_reset;
-    int classes_written_before_reset;
-    int segments_read_before_reset;
-
-    // attribute state
-    struct layout_definition
-    {
-        uint32_t idx;     // index (0..31...) which identifies this layout
-        const char *name; // name of layout
-        entry *nameEntry;
-        const char *layout; // string of layout (not yet parsed)
-        band **elems;       // array of top-level layout elems (or callables)
-
-        bool hasCallables()
-        {
-            return layout[0] == '[';
-        }
-        band **bands()
-        {
-            assert(elems != nullptr);
-            return elems;
-        }
-    };
-    struct attr_definitions
-    {
-        unpacker *u;         // pointer to self, for U_NEW macro
-        int xxx_flags_hi_bn; // locator for flags, count, indexes, calls bands
-        int attrc;           // ATTR_CONTEXT_CLASS, etc.
-        uint32_t flag_limit; // 32 or 63, depending on archive_options bit
-        uint64_t predef;     // mask of built-in definitions
-        uint64_t redef;      // mask of local flag definitions or redefinitions
-        ptrlist layouts;     // local (compressor-defined) defs, in index order
-        int flag_count[X_ATTR_LIMIT_FLAGS_HI];
-        intlist overflow_count;
-        ptrlist strip_names;   // what attribute names are being stripped?
-        ptrlist band_stack;    // Temp., used during layout parsing.
-        ptrlist calls_to_link; //  (ditto)
-        int bands_made;        //  (ditto)
-
-        void free()
-        {
-            layouts.free();
-            overflow_count.free();
-            strip_names.free();
-            band_stack.free();
-            calls_to_link.free();
-        }
-
-        // Locate the five fixed bands.
-        band &xxx_flags_hi();
-        band &xxx_flags_lo();
-        band &xxx_attr_count();
-        band &xxx_attr_indexes();
-        band &xxx_attr_calls();
-        band &fixed_band(int e_class_xxx);
-
-        // Register a new layout, and make bands for it.
-        layout_definition *defineLayout(int idx, const char *name, const char *layout);
-        layout_definition *defineLayout(int idx, entry *nameEntry, const char *layout);
-        band **buildBands(layout_definition *lo);
-
-        // Parse a layout string or part of one, recursively if necessary.
-        const char *parseLayout(const char *lp, band **&res, int curCble);
-        const char *parseNumeral(const char *lp, int &res);
-        const char *parseIntLayout(const char *lp, band *&res, byte le_kind,
-                                   bool can_be_signed = false);
-        band **popBody(int band_stack_base); // pops a body off band_stack
-
-        // Read data into the bands of the idx-th layout.
-        void readBandData(int idx);                     // parse layout, make bands, read data
-        void readBandData(band **body, uint32_t count); // recursive helper
-
-        layout_definition *getLayout(uint32_t idx)
-        {
-            if (idx >= (uint32_t)layouts.length())
-                return nullptr;
-            return (layout_definition *)layouts.get(idx);
-        }
-
-        void setHaveLongFlags(bool z)
-        {
-            assert(flag_limit == 0); // not set up yet
-            flag_limit = (z ? X_ATTR_LIMIT_FLAGS_HI : X_ATTR_LIMIT_NO_FLAGS_HI);
-        }
-        bool haveLongFlags()
-        {
-            assert(flag_limit == X_ATTR_LIMIT_NO_FLAGS_HI ||
-                   flag_limit == X_ATTR_LIMIT_FLAGS_HI);
-            return flag_limit == X_ATTR_LIMIT_FLAGS_HI;
-        }
-
-        // Return flag_count if idx is predef and not redef, else zero.
-        int predefCount(uint32_t idx);
-
-        bool isRedefined(uint32_t idx)
-        {
-            if (idx >= flag_limit)
-                return false;
-            return (bool)((redef >> idx) & 1);
-        }
-        bool isPredefined(uint32_t idx)
-        {
-            if (idx >= flag_limit)
-                return false;
-            return (bool)(((predef & ~redef) >> idx) & 1);
-        }
-        uint64_t flagIndexMask()
-        {
-            return (predef | redef);
-        }
-        bool isIndex(uint32_t idx)
-        {
-            assert(flag_limit != 0); // must be set up already
-            if (idx < flag_limit)
-                return (bool)(((predef | redef) >> idx) & 1);
-            else
-                return (idx - flag_limit < (uint32_t)overflow_count.length());
-        }
-        int &getCount(uint32_t idx)
-        {
-            assert(isIndex(idx));
-            if (idx < flag_limit)
-                return flag_count[idx];
-            else
-                return overflow_count.get(idx - flag_limit);
-        }
-    };
-
-    attr_definitions attr_defs[ATTR_CONTEXT_LIMIT];
-
-    // Initialization
-    void init(read_input_fn_t input_fn = nullptr);
-    // Resets to a known sane state
-    void reset();
-    // Deallocates all storage.
-    void free();
-    // Deallocates temporary storage (volatile after next client call).
-    void free_temps()
-    {
-        tsmallbuf.init();
-        tmallocs.freeAll();
-    }
-
-    // Option management methods
-    bool set_option(const char *option, const char *value);
-    const char *get_option(const char *option);
-
-    // Fetching input.
-    bool ensure_input(int64_t more);
-    byte *input_scan()
-    {
-        return rp;
-    }
-    size_t input_remaining()
-    {
-        return rplimit - rp;
-    }
-    size_t input_consumed()
-    {
-        return rp - input.base();
-    }
-
-    // Entry points to the unpack engine
-    static int run(int argc, char **argv); // Unix-style entry point.
-    void check_options();
-    void start(void *packptr = nullptr, size_t len = 0);
-    void write_file_to_jar(file *f);
-    void finish();
-
-    // Public post unpack methods
-    int get_files_remaining()
-    {
-        return files_remaining;
-    }
-    int get_segments_remaining()
-    {
-        return archive_next_count;
-    }
-    file *get_next_file(); // returns nullptr on last file
-
-    // General purpose methods
-    void *alloc(size_t size)
-    {
-        return alloc_heap(size, true);
-    }
-    void *temp_alloc(size_t size)
-    {
-        return alloc_heap(size, true, true);
-    }
-    void *alloc_heap(size_t size, bool smallOK = false, bool temp = false);
-    void saveTo(bytes &b, const char *str)
-    {
-        saveTo(b, (byte *)str, strlen(str));
-    }
-    void saveTo(bytes &b, bytes &data)
-    {
-        saveTo(b, data.ptr, data.len);
-    }
-    void saveTo(bytes &b, byte *ptr, size_t len); //{ b.ptr = U_NEW...}
-    const char *saveStr(const char *str)
-    {
-        bytes buf;
-        saveTo(buf, str);
-        return buf.strval();
-    }
-    const char *saveIntStr(int num)
-    {
-        char buf[30];
-        sprintf(buf, "%d", num);
-        return saveStr(buf);
-    }
-    static unpacker *current(); // find current instance
-
-    // Output management
-    void set_output(fillbytes *which)
-    {
-        assert(wp == nullptr);
-        which->ensureSize(1 << 12); // covers the average classfile
-        wpbase = which->base();
-        wp = which->limit();
-        wplimit = which->end();
-    }
-    fillbytes *close_output(fillbytes *which = nullptr); // inverse of set_output
-
-    // These take an implicit parameter of wp/wplimit, and resize as necessary:
-    byte *put_space(size_t len); // allocates space at wp, returns pointer
-    size_t put_empty(size_t s)
-    {
-        byte *p = put_space(s);
-        return p - wpbase;
-    }
-    void ensure_put_space(size_t len);
-    void put_bytes(bytes &b)
-    {
-        b.writeTo(put_space(b.len));
-    }
-    void putu1(int n)
-    {
-        putu1_at(put_space(1), n);
-    }
-    void putu1_fast(int n)
-    {
-        putu1_at(wp++, n);
-    }
-    void putu2(int n);                    // { putu2_at(put_space(2), n); }
-    void putu4(int n);                    // { putu4_at(put_space(4), n); }
-    void putu8(int64_t n);                // { putu8_at(put_space(8), n); }
-    void putref(entry *e);                // { putu2_at(put_space(2), putref_index(e, 2)); }
-    void putu1ref(entry *e);              // { putu1_at(put_space(1), putref_index(e, 1)); }
-    int putref_index(entry *e, int size); // size in [1..2]
-    void put_label(int curIP, int size);  // size in {2,4}
-    void putlayout(band **body);
-    void put_stackmap_type();
-
-    size_t wpoffset()
-    {
-        return (size_t)(wp - wpbase);
-    } // (unvariant across overflow)
-    byte *wp_at(size_t offset)
-    {
-        return wpbase + offset;
-    }
-    uint32_t to_bci(uint32_t bii);
-    void get_code_header(int &max_stack, int &max_na_locals, int &handler_count, int &cflags);
-    band *ref_band_for_self_op(int bc, bool &isAloadVar, int &origBCVar);
-    band *ref_band_for_op(int bc);
-
-    // Definitions of standard classfile int formats:
-    static void putu1_at(byte *wp, int n)
-    {
-        assert(n == (n & 0xFF));
-        wp[0] = n;
-    }
-    static void putu2_at(byte *wp, int n);
-    static void putu4_at(byte *wp, int n);
-    static void putu8_at(byte *wp, int64_t n);
-
-    // Private stuff
-    void reset_cur_classfile();
-    void write_classfile_tail();
-    void write_classfile_head();
-    void write_code();
-    void write_bc_ops();
-    void write_members(int num, int attrc); // attrc=ATTR_CONTEXT_FIELD/METHOD
-    int write_attrs(int attrc, uint64_t indexBits);
-
-    // The readers
-    void read_bands();
-    void read_file_header();
-    void read_cp();
-    void read_cp_counts(value_stream &hdr);
-    void read_attr_defs();
-    void read_ics();
-    void read_attrs(int attrc, int obj_count);
-    void read_classes();
-    void read_code_headers();
-    void read_bcs();
-    void read_bc_ops();
-    void read_files();
-    void read_Utf8_values(entry *cpMap, int len);
-    void read_single_words(band &cp_band, entry *cpMap, int len);
-    void read_double_words(band &cp_bands, entry *cpMap, int len);
-    void read_single_refs(band &cp_band, byte refTag, entry *cpMap, int len);
-    void read_double_refs(band &cp_band, byte ref1Tag, byte ref2Tag, entry *cpMap, int len);
-    void read_signature_values(entry *cpMap, int len);
-};