/* Definitions for parsing and type checking for the GNU compiler for the Java(TM) language. Copyright (C) 1997, 98-99, 2000 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU CC 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 for more details. You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Java and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. The Free Software Foundation is independent of Sun Microsystems, Inc. */ /* Hacked by Per Bothner February 1996. */ /* Java language-specific tree codes. */ #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, enum java_tree_code { __DUMMY = LAST_AND_UNUSED_TREE_CODE, #include "java-tree.def" LAST_JAVA_TREE_CODE }; #undef DEFTREECODE struct JCF; /* Usage of TREE_LANG_FLAG_?: 0: IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P (in IDENTIFIER_NODE) RESOLVE_EXPRESSION_NAME_P (in EXPR_WITH_FILE_LOCATION) IS_FOR_LOOP_P (in LOOP_EXPR) 1: CLASS_HAS_SUPER_FLAG (in TREE_VEC). IS_A_CLASSFILE_NAME (in IDENTIFIER_NODE) COMPOUND_ASSIGN_P (in EXPR (binop_*)) 2: RETURN_MAP_ADJUSTED (in TREE_VEC). QUALIFIED_P (in IDENTIFIER_NODE) PRIMARY_P (in EXPR_WITH_FILE_LOCATION) MODIFY_EXPR_FROM_INITIALIZATION_P (in MODIFY_EXPR) 3: IS_AN_IMPORT_ON_DEMAND_P (in IDENTIFIER_NODE) RESOLVE_PACKAGE_NAME_P (in EXPR_WITH_FILE_LOCATION) SWITCH_HAS_DEFAULT (in SWITCH_EXPR) 4: IS_A_COMMAND_LINE_FILENAME_P (in IDENTIFIER_NODE) RESOLVE_TYPE_NAME_P (in EXPR_WITH_FILE_LOCATION) CALL_USING_SUPER (in CALL_EXPR) 5: HAS_BEEN_ALREADY_PARSED_P (in IDENTIFIER_NODE) IS_BREAK_STMT_P (in EXPR_WITH_FILE_LOCATION) IS_CRAFTED_STRING_BUFFER_P (in CALL_EXPR) 6: CAN_COMPLETE_NORMALLY (in statement nodes). Usage of TYPE_LANG_FLAG_?: 1: TYPE_ARRAY_P (in RECORD_TYPE). 2: CLASS_LOADED_P (in RECORD_TYPE). 3: CLASS_FROM_SOURCE_P (in RECORD_TYPE). 4: CLASS_P (in RECORD_TYPE). 5: CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P (in RECORD_TYPE) 6: CLASS_HAS_FINIT_P (in RECORD_TYPE) Usage of DECL_LANG_FLAG_?: 0: METHOD_DEPRECATED (in FUNCTION_DECL). FIELD_DEPRECATED (in FIELD_DECL). CLASS_DEPRECATED (in TYPE_DECL). 1: METHOD_PUBLIC (in FUNCTION_DECL). FIELD_PUBLIC (in FIELD_DECL). CLASS_PUBLIC (in TYPE_DECL). 2: METHOD_STATIC (in FUNCTION_DECL). (But note that FIELD_STATIC uses TREE_STATIC!) CLASS_COMPLETE_P (in TYPE_DECL) 3: METHOD_FINAL (in FUNCTION_DECL) FIELD_FINAL (in FIELD_DECL) CLASS_FINAL (in TYPE_DECL) 4: METHOD_SYNCHRONIZED (in FUNCTION_DECL). LABEL_IN_SUBR (in LABEL_DECL) CLASS_INTERFACE (in TYPE_DECL) FIELD_VOLATILE (int FIELD_DECL) 5: METHOD_ABSTRACT (in FUNCTION_DECL). LABEL_IS_SUBR_START (in LABEL_DECL) CLASS_ABSTRACT (in TYPE_DECL) FIELD_TRANSIENT (in FIELD_DECL) 6: METHOD_TRANSIENT (in FUNCTION_DECL) LABEL_CHANGED (in LABEL_DECL) CLASS_SUPER (in TYPE_DECL, ACC_SUPER flag) 7: DECL_CONSTRUCTOR_P (in FUNCTION_DECL). */ /* True if the class whose TYPE_BINFO this is has a superclass. (True of all classes except Object.) */ #define CLASS_HAS_SUPER_FLAG(BINFO) TREE_LANG_FLAG_1(BINFO) #define CLASS_HAS_SUPER(TYPE) CLASS_HAS_SUPER_FLAG (TYPE_BINFO (TYPE)) /* Return the supertype of class TYPE, or NULL_TREE is it has none. */ #define CLASSTYPE_SUPER(TYPE) (CLASS_HAS_SUPER (TYPE) ? \ BINFO_TYPE (TREE_VEC_ELT (TYPE_BINFO_BASETYPES (TYPE), 0)) : NULL_TREE) /* True if the class we are compiling is a .java source file; false if it is a .class bytecode file. */ extern int compiling_from_source; /* The class defined by the actual (main) file we are compiling. */ extern tree main_class; /* The class we are currently processing. */ extern tree current_class; /* List of all class DECLs seen so far. */ extern tree all_class_list; /* Nonzero if we should make is_compiled_class always return 1 for appropriate classes that we're referencing. */ extern int flag_assume_compiled; extern int flag_emit_class_files; /* When non zero, we emit xref strings. Values of the flag for xref backends are defined in xref.h. */ extern int flag_emit_xref; /* When doing xrefs, tell when not to fold. */ extern int do_not_fold; /* Turned to 1 if -Wall was encountered. See lang.c for their meanings. */ extern int flag_wall; extern int flag_redundant; extern int flag_not_overriding; extern int flag_static_local_jdk1_1; /* When non zero, call a library routine to do integer divisions. */ extern int flag_use_divide_subroutine; /* The Java .class file that provides main_class; the main input file. */ extern struct JCF *current_jcf; typedef struct CPool constant_pool; #define CONSTANT_ResolvedFlag 16 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */ #define CONSTANT_ResolvedString (CONSTANT_String+CONSTANT_ResolvedFlag) /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */ #define CONSTANT_ResolvedClass (CONSTANT_Class+CONSTANT_ResolvedFlag) #define CPOOL_UTF(CPOOL, INDEX) ((tree) (CPOOL)->data[INDEX]) /* A NameAndType constant is represented as a TREE_LIST. The type is the signature string (as an IDENTIFIER_NODE). */ #define NAME_AND_TYPE_NAME(CPOOL, IDX) \ CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX)) #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \ CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX)) /* A FieldRef, MethodRef or InterfaceMethodRef constant is represented as a TREE_LIST. */ #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX) #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX) #define COMPONENT_REF_NAME(CPOOL, IDX) \ NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX)) #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \ NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX)) /* "Promoted types" that are used for primitive types smaller than int. We could use int_type_node, but then we would lose type information (such as needed for debugging). */ extern tree promoted_byte_type_node; extern tree promoted_short_type_node; extern tree promoted_char_type_node; extern tree promoted_boolean_type_node; extern tree byte_type_node; extern tree short_type_node; extern tree int_type_node; extern tree long_type_node; extern tree unsigned_byte_type_node; extern tree unsigned_short_type_node; extern tree unsigned_int_type_node; extern tree unsigned_long_type_node; extern tree boolean_type_node; extern tree object_type_node; extern tree unqualified_object_id_node; extern tree object_ptr_type_node; extern tree string_type_node; extern tree string_ptr_type_node; extern tree throwable_type_node; extern tree runtime_exception_type_node; extern tree error_exception_type_node; extern tree *predef_filenames; extern int predef_filenames_size; extern tree byte_array_type_node; extern tree short_array_type_node; extern tree int_array_type_node; extern tree long_array_type_node; extern tree boolean_array_type_node; extern tree char_array_type_node; extern tree double_array_type_node; extern tree float_array_type_node; extern tree array_array_type_node; extern tree object_array_type_node; extern tree string_array_type_node; extern tree TYPE_identifier_node; /* "TYPE" */ extern tree init_identifier_node; /* "" */ extern tree clinit_identifier_node; /* "" */ extern tree finit_identifier_node; /* "$finit$" */ extern tree void_signature_node; /* "()V" */ extern tree length_identifier_node; /* "length" */ extern tree this_identifier_node; /* "this" */ extern tree super_identifier_node; /* "super" */ extern tree continue_identifier_node; /* "continue" */ extern tree one_elt_array_domain_type; /* The type of the return address of a subroutine. */ extern tree return_address_type_node; /* Nodes for boolean constants TRUE and FALSE. */ extern tree boolean_true_node, boolean_false_node; /* Integer constants not declared in tree.h. */ extern tree long_zero_node; extern tree float_zero_node; extern tree double_zero_node; extern tree integer_negative_one_node; extern tree integer_two_node; extern tree integer_four_node; extern tree empty_stmt_node; /* The type for struct methodtable. */ extern tree methodtable_type; extern tree methodtable_ptr_type; extern tree utf8const_type; extern tree utf8const_ptr_type; extern tree class_type_node; extern tree class_ptr_type; extern tree field_type_node; extern tree constants_type_node; extern tree dtable_type, dtable_ptr_type; extern tree field_ptr_type_node; extern tree field_info_union_node; extern tree method_type_node; extern tree method_ptr_type_node; #define nativecode_ptr_type_node ptr_type_node extern tree end_params_node; /* References to internal libjava functions we use. */ extern tree alloc_object_node; extern tree soft_instanceof_node; extern tree soft_checkcast_node; extern tree soft_initclass_node; extern tree soft_newarray_node; extern tree soft_anewarray_node; extern tree soft_multianewarray_node; extern tree soft_badarrayindex_node; extern tree throw_node[]; extern tree soft_checkarraystore_node; extern tree soft_monitorenter_node; extern tree soft_monitorexit_node; extern tree soft_lookupinterfacemethod_node; extern tree soft_fmod_node; extern tree soft_exceptioninfo_call_node; extern tree soft_idiv_node; extern tree soft_irem_node; extern tree soft_ldiv_node; extern tree soft_lrem_node; extern tree access_flags_type_node; extern tree class_dtable_decl; /* They need to be reset before processing each class */ extern struct CPool *outgoing_cpool; extern tree current_constant_pool_data_ref; extern tree wfl_operator; struct lang_identifier { struct tree_identifier ignore; tree global_value, local_value; /* If non-NULL: An ADDR_REF to a VAR_DECL that contains * the Utf8Const representation of the identifier. */ tree utf8_ref; }; /* Macros for access to language-specific slots in an identifier. */ /* UNless specifide, each of these slots contains a DECL node or null. */ /* This represents the value which the identifier has in the file-scope namespace. */ #define IDENTIFIER_GLOBAL_VALUE(NODE) \ (((struct lang_identifier *)(NODE))->global_value) /* This represents the value which the identifier has in the current scope. */ #define IDENTIFIER_LOCAL_VALUE(NODE) \ (((struct lang_identifier *)(NODE))->local_value) /* Given an identifier NODE, get the corresponding (non-handle) class. For get_identifier ("java.lang.Number"), the result is the struct whose DECL_ASSEMBLER_NAME is "Classjava_lang_Number". */ #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE) /* Given an identifier NODE, get the corresponding handle class. For get_identifier ("java.lang.Number"), the result is the struct whose DECL_ASSEMBLER_NAME is "Hjava_lang_Number". */ #define IDENTIFIER_HANDLECLASS_VALUE(NODE) ??? /* Given a signature of a reference (or array) type, or a method, return the corresponding type (if one has been allocated). Do not use for primitive types, since they may be ambiguous. (E.g. is "I" a signature or a class name?) */ #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE) /* If non-NULL: An ADDR_REF to a VAR_DECL that contains the Utf8Const representation of the identifier. */ #define IDENTIFIER_UTF8_REF(NODE) \ (((struct lang_identifier *)(NODE))->utf8_ref) #define IDENTIFIER_UTF8_DECL(NODE) \ TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0) /* For a FUNCTION_DECL, if we are compiling a .class file, then this is the position in the .class file of the method code. Specifically, this is the code itself, not the code attribute. */ #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->code_offset) /* Similarly, the length of the bytecode. */ #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->code_length) /* Similarly, the position of the LineNumberTable attribute. */ #define DECL_LINENUMBERS_OFFSET(DECL) \ (DECL_LANG_SPECIFIC(DECL)->linenumbers_offset) /* Similarly, the position of the LocalVariableTable attribute (following the standard attribute header). */ #define DECL_LOCALVARIABLES_OFFSET(DECL) \ (DECL_LANG_SPECIFIC(DECL)->localvariables_offset) #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->max_locals) #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->max_stack) /* Number of local variable slots needed for the arguments of this function. */ #define DECL_ARG_SLOT_COUNT(DECL) (DECL_LANG_SPECIFIC(DECL)->arg_slot_count) /* List of checked thrown exceptions, as specified with the `throws' keyword */ #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->throws_list) /* List of other constructors of the same class that this constructor calls */ #define DECL_CONSTRUCTOR_CALLS(DECL) \ (DECL_LANG_SPECIFIC(DECL)->called_constructor) /* Pointer to the function's current's COMPOUND_EXPR tree (while completing its body) or the function's block */ #define DECL_FUNCTION_BODY(DECL) (DECL_LANG_SPECIFIC(DECL)->function_decl_body) /* How specific the function is (for method selection - Java source code front-end */ #define DECL_SPECIFIC_COUNT(DECL) DECL_ARG_SLOT_COUNT(DECL) /* In a LABEL_DECL, a TREE_VEC that saves the type_map at that point. */ #define LABEL_TYPE_STATE(NODE) (DECL_INITIAL (NODE)) /* In the label of a subroutine, a dummy label that records the state following a merge of all the ret instructions in this subroutine. */ #define LABEL_RETURN_LABEL(DECL) DECL_ARGUMENTS(DECL) /* In the label of a sub-routine, records the type state at return. * A local may be TYPE_UNUSED, which means that the local is not * used (stored to or loaded from) in this subroutine - at least for * code that we have verified so far. */ #define LABEL_RETURN_TYPE_STATE(NODE) LABEL_TYPE_STATE (LABEL_RETURN_LABEL (NODE)) /* In a TREE_VEC for a LABEL_RETURN_TYPE_STATE, notes that TREE_VEC_LENGTH has been adjust to the correct stack size. */ #define RETURN_MAP_ADJUSTED(NODE) TREE_LANG_FLAG_2(NODE) /* In the label of a sub-routine, a chain of the return location labels. */ #define LABEL_RETURN_LABELS(node) DECL_RESULT (LABEL_RETURN_LABEL(node)) /* In a LABEL_DECL, the next pending label. See pending_blocks in expr.c. */ #define LABEL_PENDING_CHAIN(NODE) DECL_RESULT(NODE) /* In a LABEL_DECL, the corresponding bytecode program counter. */ #define LABEL_PC(NODE) ((NODE)->decl.saved_insns.i) /* Used during verification to mark the label has "changed". (See JVM Spec). */ #define LABEL_CHANGED(NODE) DECL_LANG_FLAG_6(NODE) /* In a LABEL_DECL, true if we have verified instructions starting here. */ #define LABEL_VERIFIED(NODE) (instruction_bits[LABEL_PC(NODE)]&BCODE_VERIFIED) /* True if this code is within a subroutine (target of a jsr). */ #define LABEL_IN_SUBR(NODE) DECL_LANG_FLAG_4(NODE) /* True if this code is the start of a subroutine (target of a jsr). */ #define LABEL_IS_SUBR_START(NODE) DECL_LANG_FLAG_5(NODE) /* In a LABEL_DECL, if LABEL_IN_SUBR(NODE), points to start of subroutine. */ #define LABEL_SUBR_START(NODE) DECL_ABSTRACT_ORIGIN(NODE) /* In a LABEL_DECL that has LABEL_IS_SUBR_START, this points to the start of surrounding subroutine in the case of a nested subroutine, and NULL_TREE otherwise. */ #define LABEL_SUBR_CONTEXT(NODE) DECL_CONTEXT (LABEL_RETURN_LABEL (NODE)) /* The slot number for this local variable. */ #define DECL_LOCAL_SLOT_NUMBER(NODE) \ (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_number) /* The start (bytecode) pc for the valid range of this local variable. */ #define DECL_LOCAL_START_PC(NODE) \ (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->start_pc) /* The end (bytecode) pc for the valid range of this local variable. */ #define DECL_LOCAL_END_PC(NODE) \ (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->end_pc) /* For a VAR_DECLor PARM_DECL, used to chain decls with the same slot_number in decl_map. */ #define DECL_LOCAL_SLOT_CHAIN(NODE) \ (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_chain) /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */ struct lang_decl { /* tree chain; not yet used. */ long code_offset; int code_length; long linenumbers_offset; long localvariables_offset; int arg_slots; int max_locals, max_stack, arg_slot_count; tree throws_list; /* Exception specified by `throws' */ tree function_decl_body; /* Hold all function's statements */ tree called_constructor; /* When decl is a constructor, the list of other constructor it calls. */ }; /* DECL_LANG_SPECIFIC for VAR_DECL and PARM_DECL. */ struct lang_decl_var { int slot_number; int start_pc; int end_pc; tree slot_chain; }; struct lang_type { tree signature; struct JCF *jcf; }; #ifdef JAVA_USE_HANDLES /* TYPE_BINFO_HANDLE points from a handle-class to its corresponding non-handle-class, and vice verse. */ #define BINFO_HANDLE(NODE) TREE_VEC_ELT ((NODE), 6) /* Given a RECORD_TYPE for a handle type, return the corresponding class. */ #define HANDLE_TO_CLASS_TYPE(HTYPE) BINFO_HANDLE (TYPE_BINFO (HTYPE)) /* Given a RECORD_TYPE for a class, return the corresponding handle type. */ #define CLASS_TO_HANDLE_TYPE(TYPE) BINFO_HANDLE (TYPE_BINFO (TYPE)) #else #define HANDLE_TO_CLASS_TYPE(HTYPE) (HTYPE) #define CLASS_TO_HANDLE_TYPE(TYPE) (TYPE) #endif #define JCF_u4 unsigned long #define JCF_u2 unsigned short extern void add_assume_compiled PARAMS ((const char *, int)); extern tree lookup_class PARAMS ((tree)); extern tree lookup_java_constructor PARAMS ((tree, tree)); extern tree lookup_java_method PARAMS ((tree, tree, tree)); extern tree lookup_argument_method PARAMS ((tree, tree, tree)); extern tree promote_type PARAMS ((tree)); extern tree get_constant PARAMS ((struct JCF*, int)); extern tree get_name_constant PARAMS ((struct JCF*, int)); extern tree get_class_constant PARAMS ((struct JCF*, int)); extern tree parse_signature PARAMS ((struct JCF *jcf, int sig_index)); extern void jcf_parse PARAMS ((struct JCF*)); extern tree add_field PARAMS ((tree, tree, tree, int)); extern tree add_method PARAMS ((tree, int, tree, tree)); extern tree add_method_1 PARAMS ((tree, int, tree, tree)); extern tree make_class PARAMS ((void)); extern tree push_class PARAMS ((tree, tree)); extern tree unmangle_classname PARAMS ((const char *name, int name_length)); extern tree parse_signature_string PARAMS ((const unsigned char *, int)); extern tree get_type_from_signature PARAMS ((tree)); extern void layout_class PARAMS ((tree)); extern tree layout_class_method PARAMS ((tree, tree, tree, tree)); extern void layout_class_methods PARAMS ((tree)); extern tree build_class_ref PARAMS ((tree)); extern tree build_dtable_decl PARAMS ((tree)); extern tree build_internal_class_name PARAMS ((tree)); extern tree build_constants_constructor PARAMS ((void)); extern tree build_ref_from_constant_pool PARAMS ((int)); extern tree build_utf8_ref PARAMS ((tree)); extern tree ident_subst PARAMS ((const char*, int, const char*, int, int, const char*)); extern tree identifier_subst PARAMS ((const tree, const char *, int, int, const char *)); extern tree build_java_signature PARAMS ((tree)); extern tree build_java_argument_signature PARAMS ((tree)); extern void set_java_signature PARAMS ((tree, tree)); extern tree build_static_field_ref PARAMS ((tree)); extern tree build_address_of PARAMS ((tree)); extern tree find_local_variable PARAMS ((int index, tree type, int pc)); extern tree find_stack_slot PARAMS ((int index, tree type)); extern tree build_prim_array_type PARAMS ((tree, HOST_WIDE_INT)); extern tree build_java_array_type PARAMS ((tree, HOST_WIDE_INT)); extern int is_compiled_class PARAMS ((tree)); extern tree mangled_classname PARAMS ((const char*, tree)); extern tree lookup_label PARAMS ((int)); extern tree pop_type_0 PARAMS ((tree)); extern tree pop_type PARAMS ((tree)); extern void pop_argument_types PARAMS ((tree)); extern tree decode_newarray_type PARAMS ((int)); extern tree lookup_field PARAMS ((tree*, tree)); extern int is_array_type_p PARAMS ((tree)); extern HOST_WIDE_INT java_array_type_length PARAMS ((tree)); extern int read_class PARAMS ((tree)); extern void load_class PARAMS ((tree, int)); extern tree lookup_name PARAMS ((tree)); extern tree build_known_method_ref PARAMS ((tree, tree, tree, tree, tree)); extern tree build_class_init PARAMS ((tree, tree)); extern tree build_invokevirtual PARAMS ((tree, tree)); extern tree build_invokeinterface PARAMS ((tree, tree, tree)); extern tree invoke_build_dtable PARAMS ((int, tree)); extern tree build_field_ref PARAMS ((tree, tree, tree)); extern void pushdecl_force_head PARAMS ((tree)); extern tree build_java_binop PARAMS ((enum tree_code, tree, tree, tree)); extern tree build_java_soft_divmod PARAMS ((enum tree_code, tree, tree, tree)); extern tree binary_numeric_promotion PARAMS ((tree, tree, tree *, tree *)); extern tree build_java_arrayaccess PARAMS ((tree, tree, tree)); extern tree build_newarray PARAMS ((int, tree)); extern tree build_anewarray PARAMS ((tree, tree)); extern tree build_new_array PARAMS ((tree, tree)); extern tree build_java_array_length_access PARAMS ((tree)); extern tree build_java_arraynull_check PARAMS ((tree, tree, tree)); extern tree create_label_decl PARAMS ((tree)); extern void push_labeled_block PARAMS ((tree)); extern tree prepare_eh_table_type PARAMS ((tree)); extern void java_set_exception_lang_code PARAMS ((void)); extern tree generate_name PARAMS ((void)); extern void pop_labeled_block PARAMS ((void)); extern const char *lang_printable_name PARAMS ((tree, int)); extern tree maybe_add_interface PARAMS ((tree, tree)); extern void set_super_info PARAMS ((int, tree, tree, int)); extern int get_access_flags_from_decl PARAMS ((tree)); extern int interface_of_p PARAMS ((tree, tree)); extern int inherits_from_p PARAMS ((tree, tree)); extern void complete_start_java_method PARAMS ((tree)); extern tree build_result_decl PARAMS ((tree)); extern void emit_handlers PARAMS ((void)); extern void init_outgoing_cpool PARAMS ((void)); extern void make_class_data PARAMS ((tree)); extern void register_class PARAMS ((void)); extern int alloc_name_constant PARAMS ((int, tree)); extern void emit_register_classes PARAMS ((void)); extern void lang_init_source PARAMS ((int)); extern void write_classfile PARAMS ((tree)); extern char *print_int_node PARAMS ((tree)); extern void parse_error_context PARAMS ((tree cl, const char *, ...)) ATTRIBUTE_PRINTF_2; extern tree build_primtype_type_ref PARAMS ((const char *)); extern tree java_get_real_method_name PARAMS ((tree)); extern void finish_class PARAMS ((void)); extern void java_layout_seen_class_methods PARAMS ((void)); extern void check_for_initialization PARAMS ((tree)); extern tree pushdecl_top_level PARAMS ((tree)); extern int alloc_class_constant PARAMS ((tree)); extern int unicode_mangling_length PARAMS ((const char *, int)); extern void init_expr_processing PARAMS ((void)); extern void push_super_field PARAMS ((tree, tree)); extern void init_class_processing PARAMS ((void)); extern int can_widen_reference_to PARAMS ((tree, tree)); extern int class_depth PARAMS ((tree)); extern int verify_jvm_instructions PARAMS ((struct JCF *, const unsigned char *, long)); extern void maybe_pushlevels PARAMS ((int)); extern void maybe_poplevels PARAMS ((int)); extern void force_poplevels PARAMS ((int)); extern int process_jvm_instruction PARAMS ((int, const unsigned char *, long)); extern void set_local_type PARAMS ((int, tree)); extern int merge_type_state PARAMS ((tree)); extern void push_type PARAMS ((tree)); extern void load_type_state PARAMS ((tree)); extern void add_interface PARAMS ((tree, tree)); extern void append_gpp_mangled_name PARAMS ((struct obstack *, const char *, int)); extern void append_gpp_mangled_classtype PARAMS ((struct obstack *, const char *)); extern void emit_unicode_mangled_name PARAMS ((struct obstack *, const char *, int)); extern tree force_evaluation_order PARAMS ((tree)); extern int verify_constant_pool PARAMS ((struct JCF *)); extern void start_java_method PARAMS ((tree)); extern void end_java_method PARAMS ((void)); extern void give_name_to_locals PARAMS ((struct JCF *)); extern void expand_byte_code PARAMS ((struct JCF *, tree)); extern int open_in_zip PARAMS ((struct JCF *, const char *, const char *, int)); extern void set_constant_value PARAMS ((tree, tree)); #ifdef jword extern int find_constant1 PARAMS ((struct CPool *, int, jword)); extern int find_constant2 PARAMS ((struct CPool *, int, jword, jword)); #endif extern int find_utf8_constant PARAMS ((struct CPool *, tree)); extern int find_string_constant PARAMS ((struct CPool *, tree)); extern int find_class_constant PARAMS ((struct CPool *, tree)); extern int find_fieldref_index PARAMS ((struct CPool *, tree)); extern int find_methodref_index PARAMS ((struct CPool *, tree)); extern void write_constant_pool PARAMS ((struct CPool *, unsigned char *, int)); extern int count_constant_pool_bytes PARAMS ((struct CPool *)); extern int encode_newarray_type PARAMS ((tree)); #ifdef uint64 extern void format_int PARAMS ((char *, jlong, int)); extern void format_uint PARAMS ((char *, uint64, int)); #endif extern void jcf_trim_old_input PARAMS ((struct JCF *)); #ifdef BUFSIZ extern void jcf_print_utf8 PARAMS ((FILE *, const unsigned char *, int)); extern void jcf_print_char PARAMS ((FILE *, int)); extern void jcf_print_utf8_replace PARAMS ((FILE *, const unsigned char *, int, int, int)); # if JCF_USE_STDIO extern char* open_class PARAMS ((char *, struct JCF *, FILE *, const char *)); # else extern char* open_class PARAMS ((char *, struct JCF *, int, const char *)); # endif /* JCF_USE_STDIO */ #endif void java_debug_context PARAMS ((void)); /* We use ARGS_SIZE_RTX to indicate that gcc/expr.h has been included to declare `enum expand_modifier'. */ #if defined (TREE_CODE) && defined(RTX_CODE) && defined (HAVE_MACHINE_MODES) && defined (ARGS_SIZE_RTX) struct rtx_def * java_lang_expand_expr PARAMS ((tree, rtx, enum machine_mode, enum expand_modifier)); #endif /* TREE_CODE && RTX_CODE && HAVE_MACHINE_MODES && ARGS_SIZE_RTX */ /* Access flags etc for a method (a FUNCTION_DECL): */ #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL) #define METHOD_PRIVATE(DECL) TREE_PRIVATE (DECL) #define METHOD_PROTECTED(DECL) TREE_PROTECTED (DECL) #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (DECL) #define METHOD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL) #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (DECL) #define METHOD_NATIVE(DECL) DECL_EXTERNAL(DECL) #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL) #define METHOD_TRANSIENT(DECL) DECL_LANG_FLAG_6 (DECL) #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7(DECL) /* Access flags etc for a variable/field (a FIELD_DECL): */ #define FIELD_PRIVATE(DECL) TREE_PRIVATE (DECL) #define FIELD_PROTECTED(DECL) TREE_PROTECTED (DECL) #define FIELD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL) #define FIELD_STATIC(DECL) TREE_STATIC (DECL) #define FIELD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL) #define FIELD_VOLATILE(DECL) DECL_LANG_FLAG_4 (DECL) #define FIELD_TRANSIENT(DECL) DECL_LANG_FLAG_5 (DECL) /* Access flags etc for a class (a TYPE_DECL): */ #define CLASS_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL) #define CLASS_FINAL(DECL) DECL_LANG_FLAG_3 (DECL) #define CLASS_INTERFACE(DECL) DECL_LANG_FLAG_4 (DECL) #define CLASS_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL) #define CLASS_SUPER(DECL) DECL_LANG_FLAG_6 (DECL) /* @deprecated marker flag on methods, fields and classes */ #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL) #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL) #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL) #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL) /* The number of virtual methods in this class's dispatch table. Does not include initial two dummy entries (one points to the Class object, and the other is for G++ -fvtable-thunks compatibility). */ #define TYPE_NVIRTUALS(TYPE) TYPE_BINFO_VIRTUALS (TYPE) /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's virtual methods. */ #define TYPE_VTABLE(TYPE) TYPE_BINFO_VTABLE(TYPE) /* Use CLASS_LOADED_P? FIXME */ #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL) /* This maps a bytecode offset (PC) to various flags, listed below (starting with BCODE_). */ extern char *instruction_bits; /* True iff the byte is the start of an instruction. */ #define BCODE_INSTRUCTION_START 1 /* True iff there is a jump to this location. */ #define BCODE_JUMP_TARGET 2 /* True iff there is a return to this location. (I.e. the preceedng instruction was a call.) */ #define BCODE_RETURN_TARGET 4 /* True iff this is the start of an exception handler. */ #define BCODE_EXCEPTION_TARGET 16 /* True iff there is a jump to this location (and it needs a label). */ #define BCODE_TARGET \ (BCODE_JUMP_TARGET|BCODE_RETURN_TARGET \ | BCODE_EXCEPTION_TARGET) /* True iff there is an entry in the linenumber table for this location. */ #define BCODE_HAS_LINENUMBER 32 /* True iff there is more than one entry in the linenumber table for this location. (This probably does not make much sense.) */ #define BCODE_HAS_MULTI_LINENUMBERS 64 /* True if this instruction has been verified. */ #define BCODE_VERIFIED 8 /* A pointer to the line number table of the current method. */ extern const unsigned char *linenumber_table; /* The length (in items) of the line number table. */ extern int linenumber_count; /* In type_map, means that slot is uninitialized or otherwise unusable. */ #define TYPE_UNKNOWN NULL_TREE /* In type_map, means the second half of a 64-bit double or long. */ #define TYPE_SECOND void_type_node /* In type_map, means the null type (i.e. type of a null reference). */ #define TYPE_NULL ptr_type_node /* In a type map means the type the address subroutine return address. */ #define TYPE_RETURN_ADDR return_address_type_node /* In a subroutine's return type map, indicates that the slot was neither used nor set in the subroutine. */ #define TYPE_UNUSED error_mark_node /* A array mapping variable/stack slot index to the type current in that variable/stack slot. TYPE_UNKNOWN, TYPE_SECOND, and TYPE_NULL are special cases. */ extern tree *type_map; /* Map a stack index to the type currently in that slot. */ #define stack_type_map (type_map+DECL_MAX_LOCALS(current_function_decl)) /* True iff TYPE takes two variable/stack slots. */ #define TYPE_IS_WIDE(TYPE) \ ((TYPE) == double_type_node || (TYPE) == long_type_node) /* True iff TYPE is a Java array type. */ #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE) /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */ #define TYPE_ARGUMENT_SIGNATURE(TYPE) TYPE_VFIELD(TYPE) /* Given an array type, give the type of the elements. */ /* FIXME this use of TREE_TYPE conflicts with something or other. */ #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE(ATYPE) /* True if class TYPE has been loaded. */ #define CLASS_LOADED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE) /* True if class TYPE was defined in Java source code. */ #define CLASS_FROM_SOURCE_P(TYPE) TYPE_LANG_FLAG_3 (TYPE) /* True of a RECORD_TYPE of a class/interface type (not array type) */ #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE) /* True if class TYPE was defined in a Java source file compiled. */ #define CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P(TYPE) \ TYPE_LANG_FLAG_5 (TYPE) /* True if class TYPE has a field initializer $finit$ function */ #define CLASS_HAS_FINIT_P(TYPE) TYPE_LANG_FLAG_6 (TYPE) /* True if identifier ID was seen while processing a single type import stmt */ #define IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P(ID) TREE_LANG_FLAG_0 (ID) /* True if identifier ID was seen while processing an import statement */ #define IS_A_CLASSFILE_NAME(ID) TREE_LANG_FLAG_1 (ID) /* True if ID is a qualified named (contains . or /) */ #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID) /* True if ID is an already processed import on demand */ #define IS_AN_IMPORT_ON_DEMAND_P(ID) TREE_LANG_FLAG_3 (ID) /* True if ID is a command-line specified filename */ #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID) /* True if filename ID has already been parsed */ #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID) /* True if EXPR is RHS sub-tree of a compound assign expression */ #define COMPOUND_ASSIGN_P(EXPR) TREE_LANG_FLAG_1 (EXPR) /* True if a SWITCH_EXPR has a DEFAULT_EXPR. */ #define SWITCH_HAS_DEFAULT(NODE) TREE_LANG_FLAG_3 (NODE) /* True if EXPR (a WFL in that case) was created after the reduction of PRIMARY . XXX */ #define PRIMARY_P(EXPR) TREE_LANG_FLAG_2 (EXPR) /* True if EXPR (a MODIFY_EXPR in that case) is the result of variable initialization during its declaration */ #define MODIFY_EXPR_FROM_INITIALIZATION_P(EXPR) TREE_LANG_FLAG_2 (EXPR) /* True if EXPR (a WFL in that case) resolves into an expression name */ #define RESOLVE_EXPRESSION_NAME_P(WFL) TREE_LANG_FLAG_0 (WFL) /* True if EXPR (a LOOP_EXPR in that case) is part of a for statement */ #define IS_FOR_LOOP_P(EXPR) TREE_LANG_FLAG_0 (EXPR) /* True if EXPR (a WFL in that case) resolves into a package name */ #define RESOLVE_PACKAGE_NAME_P(WFL) TREE_LANG_FLAG_3 (WFL) /* True if EXPR (a WFL in that case) resolves into a type name */ #define RESOLVE_TYPE_NAME_P(WFL) TREE_LANG_FLAG_4 (WFL) /* True if STMT (a WFL in that case) holds a BREAK statement */ #define IS_BREAK_STMT_P(WFL) TREE_LANG_FLAG_5 (WFL) /* True if EXPR (a CALL_EXPR in that case) is a crafted StringBuffer */ #define IS_CRAFTED_STRING_BUFFER_P(EXPR) TREE_LANG_FLAG_5 (EXPR) /* If set in CALL_EXPR, the receiver is 'super'. */ #define CALL_USING_SUPER(EXPR) TREE_LANG_FLAG_4 (EXPR) /* True if NODE (a statement) can complete normally. */ #define CAN_COMPLETE_NORMALLY(NODE) TREE_LANG_FLAG_6(NODE) /* Add a FIELD_DECL to RECORD_TYPE RTYPE. The field has name NAME (a char*), and type FTYPE. Unless this is the first field, FIELD most hold the previous field. FIELD is set to the newly created FIELD_DECL. We set DECL_ARTIFICIAL so these fields get skipped by make_class_data if compiling java.lang.Object or java.lang.Class. */ #define PUSH_FIELD(RTYPE, FIELD, NAME, FTYPE) \ { tree tmp_field = build_decl (FIELD_DECL, get_identifier(NAME), FTYPE); \ if (TYPE_FIELDS (RTYPE) == NULL_TREE) TYPE_FIELDS (RTYPE) = tmp_field; \ else TREE_CHAIN(FIELD) = tmp_field; \ DECL_CONTEXT (tmp_field) = RTYPE; \ DECL_ARTIFICIAL (tmp_field) = 1; \ FIELD = tmp_field; } #define FINISH_RECORD(RTYPE) layout_type (RTYPE) /* Start building a RECORD_TYPE constructor with a given TYPE in CONS. */ #define START_RECORD_CONSTRUCTOR(CONS, CTYPE) { \ CONS = build (CONSTRUCTOR, CTYPE, NULL_TREE, NULL_TREE);\ TREE_CHAIN(CONS) = TYPE_FIELDS (CTYPE); } /* Append a field initializer to CONS for the dummy field for the inherited fields. The dummy field has the given VALUE, and the same type as the super-class. Must be specified before calls to PUSH_FIELD_VALUE. */ #define PUSH_SUPER_VALUE(CONS, VALUE) {\ tree field = TREE_CHAIN(CONS);\ if (DECL_NAME (field) != NULL_TREE) abort();\ CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\ TREE_CHAIN(CONS) = TREE_CHAIN (field); } /* Append a field initializer to CONS for a field with the given VALUE. NAME is a char* string used for error checking; the initializer must be specified in order. */ #define PUSH_FIELD_VALUE(CONS, NAME, VALUE) {\ tree field = TREE_CHAIN(CONS);\ if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)), NAME) != 0) abort();\ CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\ TREE_CHAIN(CONS) = TREE_CHAIN (field); } /* Finish creating a record CONSTRUCTOR CONS. */ #define FINISH_RECORD_CONSTRUCTOR(CONS) \ CONSTRUCTOR_ELTS(CONS) = nreverse (CONSTRUCTOR_ELTS(CONS)) /* Macros on constructors invocations. */ #define CALL_CONSTRUCTOR_P(NODE) \ (TREE_CODE (NODE) == NEW_CLASS_EXPR || CALL_EXPLICIT_CONSTRUCTOR_P (NODE)) #define CALL_EXPLICIT_CONSTRUCTOR_P(NODE) \ (CALL_THIS_CONSTRUCTOR_P (NODE) || CALL_SUPER_CONSTRUCTOR_P (NODE)) #define CALL_THIS_CONSTRUCTOR_P(NODE) \ (TREE_CODE (NODE) == CALL_EXPR \ && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == this_identifier_node) #define CALL_SUPER_CONSTRUCTOR_P(NODE) \ (TREE_CODE (NODE) == CALL_EXPR \ && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == super_identifier_node) /* Using a FINALLY_EXPR node */ #define FINALLY_EXPR_LABEL(NODE) TREE_OPERAND ((NODE), 0) #define FINALLY_EXPR_BLOCK(NODE) TREE_OPERAND ((NODE), 1) #define BLOCK_EXPR_DECLS(NODE) BLOCK_VARS(NODE) #define BLOCK_EXPR_BODY(NODE) BLOCK_SUBBLOCKS(NODE) #define BUILD_MONITOR_ENTER(WHERE, ARG) \ { \ (WHERE) = build (CALL_EXPR, int_type_node, \ build_address_of (soft_monitorenter_node), \ build_tree_list (NULL_TREE, (ARG)), \ NULL_TREE); \ TREE_SIDE_EFFECTS (WHERE) = 1; \ } #define BUILD_MONITOR_EXIT(WHERE, ARG) \ { \ (WHERE) = build (CALL_EXPR, int_type_node, \ build_address_of (soft_monitorexit_node), \ build_tree_list (NULL_TREE, (ARG)), \ NULL_TREE); \ TREE_SIDE_EFFECTS (WHERE) = 1; \ } /* Non zero if TYPE is an unchecked exception */ #define IS_UNCHECKED_EXCEPTION_P(TYPE) \ (inherits_from_p ((TYPE), runtime_exception_type_node) \ || inherits_from_p ((TYPE), error_exception_type_node)) extern int java_error_count; \ /* Make the current function where this macro is invoked report error messages and and return, if any */ #define java_parse_abort_on_error() \ { \ if (java_error_count > save_error_count) \ return; \ } #undef DEBUG_JAVA_BINDING_LEVELS