1 files changed, 489 insertions, 0 deletions
diff --git a/depends/pack200/src/bands.h b/depends/pack200/src/bands.h
new file mode 100644
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+++ b/depends/pack200/src/bands.h
@@ -0,0 +1,489 @@
+/*
+ * Copyright (c) 2002, 2005, 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.
+ */
+
+// -*- C++ -*-
+struct entry;
+struct cpindex;
+struct unpacker;
+
+struct band
+{
+	int bn;	   // band_number of this band
+	coding *defc; // default coding method
+	cpindex *ix;  // CP entry mapping, if CPRefBand
+	byte ixTag;   // 0 or 1; nullptr is coded as (nullOK?0:-1)
+	byte nullOK;  // 0 or 1; nullptr is coded as (nullOK?0:-1)
+	int length;   // expected # values
+	unpacker *u;  // back pointer
+
+	value_stream vs[2]; // source of values
+	coding_method cm;   // method used for initial state of vs[0]
+	byte *rplimit;	  // end of band (encoded, transmitted)
+
+	int total_memo; // cached value of getIntTotal, or -1
+	int *hist0;	 // approximate. histogram
+	enum
+	{
+		HIST0_MIN = 0,
+		HIST0_MAX = 255
+	}; // catches the usual cases
+
+	// properties for attribute layout elements:
+	byte le_kind;   // EK_XXX
+	byte le_bci;	// 0,EK_BCI,EK_BCD,EK_BCO
+	byte le_back;   // ==EF_BACK
+	byte le_len;	// 0,1,2,4 (size in classfile), or call addr
+	band **le_body; // body of repl, union, call (nullptr-terminated)
+// Note:  EK_CASE elements use hist0 to record union tags.
+#define le_casetags hist0
+
+	band &nextBand()
+	{
+		return this[1];
+	}
+	band &prevBand()
+	{
+		return this[-1];
+	}
+
+	void init(unpacker *u_, int bn_, coding *defc_)
+	{
+		u = u_;
+		cm.u = u_;
+		bn = bn_;
+		defc = defc_;
+	}
+	void init(unpacker *u_, int bn_, int defcSpec)
+	{
+		init(u_, bn_, coding::findBySpec(defcSpec));
+	}
+	void initRef(int ixTag_ = 0, bool nullOK_ = false)
+	{
+		ixTag = ixTag_;
+		nullOK = nullOK_;
+		setIndexByTag(ixTag);
+	}
+
+	void expectMoreLength(int l)
+	{
+		assert(length >= 0);		// able to accept a length
+		assert((int)l >= 0);		// no overflow
+		assert(rplimit == nullptr); // readData not yet called
+		length += l;
+		assert(length >= l); // no overflow
+	}
+
+	void setIndex(cpindex *ix_);
+	void setIndexByTag(byte tag);
+
+	// Parse the band and its meta-coding header.
+	void readData(int expectedLength = 0);
+
+	// Reset the band for another pass (Cf. Java Band.resetForSecondPass.)
+	void rewind()
+	{
+		cm.reset(&vs[0]);
+	}
+
+	byte *&curRP()
+	{
+		return vs[0].rp;
+	}
+	byte *minRP()
+	{
+		return cm.vs0.rp;
+	}
+	byte *maxRP()
+	{
+		return rplimit;
+	}
+	size_t size()
+	{
+		return maxRP() - minRP();
+	}
+
+	int getByte()
+	{
+		assert(ix == nullptr);
+		return vs[0].getByte();
+	}
+	int getInt()
+	{
+		assert(ix == nullptr);
+		return vs[0].getInt();
+	}
+	entry *getRefN()
+	{
+		assert(ix != nullptr);
+		return getRefCommon(ix, true);
+	}
+	entry *getRef()
+	{
+		assert(ix != nullptr);
+		return getRefCommon(ix, false);
+	}
+	entry *getRefUsing(cpindex *ix2)
+	{
+		assert(ix == nullptr);
+		return getRefCommon(ix2, true);
+	}
+	entry *getRefCommon(cpindex *ix, bool nullOK);
+	int64_t getLong(band &lo_band, bool have_hi);
+
+	static int64_t makeLong(uint32_t hi, uint32_t lo)
+	{
+		return ((uint64_t)hi << 32) + (((uint64_t)lo << 32) >> 32);
+	}
+
+	int getIntTotal();
+	int getIntCount(int tag);
+
+	static band *makeBands(unpacker *u);
+	static void initIndexes(unpacker *u);
+};
+
+extern band all_bands[];
+
+#define BAND_LOCAL /*                                                                          \
+  band* band_temp = all_bands;                                                                 \
+  band* all_bands = band_temp */
+
+// Band schema:
+enum band_number
+{
+	// e_archive_magic,
+	// e_archive_header,
+	// e_band_headers,
+
+	// constant pool contents
+	e_cp_Utf8_prefix,
+	e_cp_Utf8_suffix,
+	e_cp_Utf8_chars,
+	e_cp_Utf8_big_suffix,
+	e_cp_Utf8_big_chars,
+	e_cp_Int,
+	e_cp_Float,
+	e_cp_Long_hi,
+	e_cp_Long_lo,
+	e_cp_Double_hi,
+	e_cp_Double_lo,
+	e_cp_String,
+	e_cp_Class,
+	e_cp_Signature_form,
+	e_cp_Signature_classes,
+	e_cp_Descr_name,
+	e_cp_Descr_type,
+	e_cp_Field_class,
+	e_cp_Field_desc,
+	e_cp_Method_class,
+	e_cp_Method_desc,
+	e_cp_Imethod_class,
+	e_cp_Imethod_desc,
+
+	// bands which define transmission of attributes
+	e_attr_definition_headers,
+	e_attr_definition_name,
+	e_attr_definition_layout,
+
+	// band for hardwired InnerClasses attribute (shared across the package)
+	e_ic_this_class,
+	e_ic_flags,
+	// These bands contain data only where flags sets ACC_IC_LONG_FORM:
+	e_ic_outer_class,
+	e_ic_name,
+
+	// bands for carrying class schema information:
+	e_class_this,
+	e_class_super,
+	e_class_interface_count,
+	e_class_interface,
+
+	// bands for class members
+	e_class_field_count,
+	e_class_method_count,
+	e_field_descr,
+	e_field_flags_hi,
+	e_field_flags_lo,
+	e_field_attr_count,
+	e_field_attr_indexes,
+	e_field_attr_calls,
+	e_field_ConstantValue_KQ,
+	e_field_Signature_RS,
+	e_field_metadata_bands,
+	e_field_attr_bands,
+	e_method_descr,
+	e_method_flags_hi,
+	e_method_flags_lo,
+	e_method_attr_count,
+	e_method_attr_indexes,
+	e_method_attr_calls,
+	e_method_Exceptions_N,
+	e_method_Exceptions_RC,
+	e_method_Signature_RS,
+	e_method_metadata_bands,
+	e_method_attr_bands,
+	e_class_flags_hi,
+	e_class_flags_lo,
+	e_class_attr_count,
+	e_class_attr_indexes,
+	e_class_attr_calls,
+	e_class_SourceFile_RUN,
+	e_class_EnclosingMethod_RC,
+	e_class_EnclosingMethod_RDN,
+	e_class_Signature_RS,
+	e_class_metadata_bands,
+	e_class_InnerClasses_N,
+	e_class_InnerClasses_RC,
+	e_class_InnerClasses_F,
+	e_class_InnerClasses_outer_RCN,
+	e_class_InnerClasses_name_RUN,
+	e_class_ClassFile_version_minor_H,
+	e_class_ClassFile_version_major_H,
+	e_class_attr_bands,
+	e_code_headers,
+	e_code_max_stack,
+	e_code_max_na_locals,
+	e_code_handler_count,
+	e_code_handler_start_P,
+	e_code_handler_end_PO,
+	e_code_handler_catch_PO,
+	e_code_handler_class_RCN,
+
+	// code attributes
+	e_code_flags_hi,
+	e_code_flags_lo,
+	e_code_attr_count,
+	e_code_attr_indexes,
+	e_code_attr_calls,
+	e_code_StackMapTable_N,
+	e_code_StackMapTable_frame_T,
+	e_code_StackMapTable_local_N,
+	e_code_StackMapTable_stack_N,
+	e_code_StackMapTable_offset,
+	e_code_StackMapTable_T,
+	e_code_StackMapTable_RC,
+	e_code_StackMapTable_P,
+	e_code_LineNumberTable_N,
+	e_code_LineNumberTable_bci_P,
+	e_code_LineNumberTable_line,
+	e_code_LocalVariableTable_N,
+	e_code_LocalVariableTable_bci_P,
+	e_code_LocalVariableTable_span_O,
+	e_code_LocalVariableTable_name_RU,
+	e_code_LocalVariableTable_type_RS,
+	e_code_LocalVariableTable_slot,
+	e_code_LocalVariableTypeTable_N,
+	e_code_LocalVariableTypeTable_bci_P,
+	e_code_LocalVariableTypeTable_span_O,
+	e_code_LocalVariableTypeTable_name_RU,
+	e_code_LocalVariableTypeTable_type_RS,
+	e_code_LocalVariableTypeTable_slot,
+	e_code_attr_bands,
+
+	// bands for bytecodes
+	e_bc_codes,
+	// remaining bands provide typed opcode fields required by the bc_codes
+	e_bc_case_count,
+	e_bc_case_value,
+	e_bc_byte,
+	e_bc_short,
+	e_bc_local,
+	e_bc_label,
+
+	// ldc* operands:
+	e_bc_intref,
+	e_bc_floatref,
+	e_bc_longref,
+	e_bc_doubleref,
+	e_bc_stringref,
+	e_bc_classref,
+	e_bc_fieldref,
+	e_bc_methodref,
+	e_bc_imethodref,
+
+	// _self_linker_op family
+	e_bc_thisfield,
+	e_bc_superfield,
+	e_bc_thismethod,
+	e_bc_supermethod,
+
+	// bc_invokeinit family:
+	e_bc_initref,
+
+	// bytecode escape sequences
+	e_bc_escref,
+	e_bc_escrefsize,
+	e_bc_escsize,
+	e_bc_escbyte,
+
+	// file attributes and contents
+	e_file_name,
+	e_file_size_hi,
+	e_file_size_lo,
+	e_file_modtime,
+	e_file_options,
+	// e_file_bits,  // handled specially as an appendix
+	BAND_LIMIT
+};
+
+// Symbolic names for bands, as if in a giant global struct:
+//#define archive_magic all_bands[e_archive_magic]
+//#define archive_header all_bands[e_archive_header]
+//#define band_headers all_bands[e_band_headers]
+#define cp_Utf8_prefix all_bands[e_cp_Utf8_prefix]
+#define cp_Utf8_suffix all_bands[e_cp_Utf8_suffix]
+#define cp_Utf8_chars all_bands[e_cp_Utf8_chars]
+#define cp_Utf8_big_suffix all_bands[e_cp_Utf8_big_suffix]
+#define cp_Utf8_big_chars all_bands[e_cp_Utf8_big_chars]
+#define cp_Int all_bands[e_cp_Int]
+#define cp_Float all_bands[e_cp_Float]
+#define cp_Long_hi all_bands[e_cp_Long_hi]
+#define cp_Long_lo all_bands[e_cp_Long_lo]
+#define cp_Double_hi all_bands[e_cp_Double_hi]
+#define cp_Double_lo all_bands[e_cp_Double_lo]
+#define cp_String all_bands[e_cp_String]
+#define cp_Class all_bands[e_cp_Class]
+#define cp_Signature_form all_bands[e_cp_Signature_form]
+#define cp_Signature_classes all_bands[e_cp_Signature_classes]
+#define cp_Descr_name all_bands[e_cp_Descr_name]
+#define cp_Descr_type all_bands[e_cp_Descr_type]
+#define cp_Field_class all_bands[e_cp_Field_class]
+#define cp_Field_desc all_bands[e_cp_Field_desc]
+#define cp_Method_class all_bands[e_cp_Method_class]
+#define cp_Method_desc all_bands[e_cp_Method_desc]
+#define cp_Imethod_class all_bands[e_cp_Imethod_class]
+#define cp_Imethod_desc all_bands[e_cp_Imethod_desc]
+#define attr_definition_headers all_bands[e_attr_definition_headers]
+#define attr_definition_name all_bands[e_attr_definition_name]
+#define attr_definition_layout all_bands[e_attr_definition_layout]
+#define ic_this_class all_bands[e_ic_this_class]
+#define ic_flags all_bands[e_ic_flags]
+#define ic_outer_class all_bands[e_ic_outer_class]
+#define ic_name all_bands[e_ic_name]
+#define class_this all_bands[e_class_this]
+#define class_super all_bands[e_class_super]
+#define class_interface_count all_bands[e_class_interface_count]
+#define class_interface all_bands[e_class_interface]
+#define class_field_count all_bands[e_class_field_count]
+#define class_method_count all_bands[e_class_method_count]
+#define field_descr all_bands[e_field_descr]
+#define field_flags_hi all_bands[e_field_flags_hi]
+#define field_flags_lo all_bands[e_field_flags_lo]
+#define field_attr_count all_bands[e_field_attr_count]
+#define field_attr_indexes all_bands[e_field_attr_indexes]
+#define field_ConstantValue_KQ all_bands[e_field_ConstantValue_KQ]
+#define field_Signature_RS all_bands[e_field_Signature_RS]
+#define field_attr_bands all_bands[e_field_attr_bands]
+#define method_descr all_bands[e_method_descr]
+#define method_flags_hi all_bands[e_method_flags_hi]
+#define method_flags_lo all_bands[e_method_flags_lo]
+#define method_attr_count all_bands[e_method_attr_count]
+#define method_attr_indexes all_bands[e_method_attr_indexes]
+#define method_Exceptions_N all_bands[e_method_Exceptions_N]
+#define method_Exceptions_RC all_bands[e_method_Exceptions_RC]
+#define method_Signature_RS all_bands[e_method_Signature_RS]
+#define method_attr_bands all_bands[e_method_attr_bands]
+#define class_flags_hi all_bands[e_class_flags_hi]
+#define class_flags_lo all_bands[e_class_flags_lo]
+#define class_attr_count all_bands[e_class_attr_count]
+#define class_attr_indexes all_bands[e_class_attr_indexes]
+#define class_SourceFile_RUN all_bands[e_class_SourceFile_RUN]
+#define class_EnclosingMethod_RC all_bands[e_class_EnclosingMethod_RC]
+#define class_EnclosingMethod_RDN all_bands[e_class_EnclosingMethod_RDN]
+#define class_Signature_RS all_bands[e_class_Signature_RS]
+#define class_InnerClasses_N all_bands[e_class_InnerClasses_N]
+#define class_InnerClasses_RC all_bands[e_class_InnerClasses_RC]
+#define class_InnerClasses_F all_bands[e_class_InnerClasses_F]
+#define class_InnerClasses_outer_RCN all_bands[e_class_InnerClasses_outer_RCN]
+#define class_InnerClasses_name_RUN all_bands[e_class_InnerClasses_name_RUN]
+#define class_ClassFile_version_minor_H all_bands[e_class_ClassFile_version_minor_H]
+#define class_ClassFile_version_major_H all_bands[e_class_ClassFile_version_major_H]
+#define class_attr_bands all_bands[e_class_attr_bands]
+#define code_headers all_bands[e_code_headers]
+#define code_max_stack all_bands[e_code_max_stack]
+#define code_max_na_locals all_bands[e_code_max_na_locals]
+#define code_handler_count all_bands[e_code_handler_count]
+#define code_handler_start_P all_bands[e_code_handler_start_P]
+#define code_handler_end_PO all_bands[e_code_handler_end_PO]
+#define code_handler_catch_PO all_bands[e_code_handler_catch_PO]
+#define code_handler_class_RCN all_bands[e_code_handler_class_RCN]
+#define code_flags_hi all_bands[e_code_flags_hi]
+#define code_flags_lo all_bands[e_code_flags_lo]
+#define code_attr_count all_bands[e_code_attr_count]
+#define code_attr_indexes all_bands[e_code_attr_indexes]
+#define code_StackMapTable_N all_bands[e_code_StackMapTable_N]
+#define code_StackMapTable_frame_T all_bands[e_code_StackMapTable_frame_T]
+#define code_StackMapTable_local_N all_bands[e_code_StackMapTable_local_N]
+#define code_StackMapTable_stack_N all_bands[e_code_StackMapTable_stack_N]
+#define code_StackMapTable_offset all_bands[e_code_StackMapTable_offset]
+#define code_StackMapTable_T all_bands[e_code_StackMapTable_T]
+#define code_StackMapTable_RC all_bands[e_code_StackMapTable_RC]
+#define code_StackMapTable_P all_bands[e_code_StackMapTable_P]
+#define code_LineNumberTable_N all_bands[e_code_LineNumberTable_N]
+#define code_LineNumberTable_bci_P all_bands[e_code_LineNumberTable_bci_P]
+#define code_LineNumberTable_line all_bands[e_code_LineNumberTable_line]
+#define code_LocalVariableTable_N all_bands[e_code_LocalVariableTable_N]
+#define code_LocalVariableTable_bci_P all_bands[e_code_LocalVariableTable_bci_P]
+#define code_LocalVariableTable_span_O all_bands[e_code_LocalVariableTable_span_O]
+#define code_LocalVariableTable_name_RU all_bands[e_code_LocalVariableTable_name_RU]
+#define code_LocalVariableTable_type_RS all_bands[e_code_LocalVariableTable_type_RS]
+#define code_LocalVariableTable_slot all_bands[e_code_LocalVariableTable_slot]
+#define code_LocalVariableTypeTable_N all_bands[e_code_LocalVariableTypeTable_N]
+#define code_LocalVariableTypeTable_bci_P all_bands[e_code_LocalVariableTypeTable_bci_P]
+#define code_LocalVariableTypeTable_span_O all_bands[e_code_LocalVariableTypeTable_span_O]
+#define code_LocalVariableTypeTable_name_RU all_bands[e_code_LocalVariableTypeTable_name_RU]
+#define code_LocalVariableTypeTable_type_RS all_bands[e_code_LocalVariableTypeTable_type_RS]
+#define code_LocalVariableTypeTable_slot all_bands[e_code_LocalVariableTypeTable_slot]
+#define code_attr_bands all_bands[e_code_attr_bands]
+#define bc_codes all_bands[e_bc_codes]
+#define bc_case_count all_bands[e_bc_case_count]
+#define bc_case_value all_bands[e_bc_case_value]
+#define bc_byte all_bands[e_bc_byte]
+#define bc_short all_bands[e_bc_short]
+#define bc_local all_bands[e_bc_local]
+#define bc_label all_bands[e_bc_label]
+#define bc_intref all_bands[e_bc_intref]
+#define bc_floatref all_bands[e_bc_floatref]
+#define bc_longref all_bands[e_bc_longref]
+#define bc_doubleref all_bands[e_bc_doubleref]
+#define bc_stringref all_bands[e_bc_stringref]
+#define bc_classref all_bands[e_bc_classref]
+#define bc_fieldref all_bands[e_bc_fieldref]
+#define bc_methodref all_bands[e_bc_methodref]
+#define bc_imethodref all_bands[e_bc_imethodref]
+#define bc_thisfield all_bands[e_bc_thisfield]
+#define bc_superfield all_bands[e_bc_superfield]
+#define bc_thismethod all_bands[e_bc_thismethod]
+#define bc_supermethod all_bands[e_bc_supermethod]
+#define bc_initref all_bands[e_bc_initref]
+#define bc_escref all_bands[e_bc_escref]
+#define bc_escrefsize all_bands[e_bc_escrefsize]
+#define bc_escsize all_bands[e_bc_escsize]
+#define bc_escbyte all_bands[e_bc_escbyte]
+#define file_name all_bands[e_file_name]
+#define file_size_hi all_bands[e_file_size_hi]
+#define file_size_lo all_bands[e_file_size_lo]
+#define file_modtime all_bands[e_file_modtime]
+#define file_options all_bands[e_file_options]