| /* Language parser definitions for the GNU compiler for the Java(TM) language. |
| Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. |
| Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com) |
| |
| 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. */ |
| |
| #ifndef JV_LANG_H |
| #define JV_LANG_H |
| |
| #include "lex.h" |
| |
| /* Extern global variable declarations */ |
| extern int java_error_count; |
| extern struct obstack temporary_obstack; |
| extern struct obstack permanent_obstack; |
| extern int quiet_flag; |
| |
| #ifndef JC1_LITE |
| /* Function extern to java/ */ |
| extern int int_fits_type_p PROTO ((tree, tree)); |
| extern tree stabilize_reference PROTO ((tree)); |
| #endif |
| |
| /* Macros for verbose debug info */ |
| #ifdef VERBOSE_SKELETON |
| #define RULE( rule ) printf ( "jv_yacc:%d: rule %s\n", lineno, rule ) |
| #else |
| #define RULE( rule ) |
| #endif |
| |
| #ifdef VERBOSE_SKELETON |
| #undef SOURCE_FRONTEND_DEBUG |
| #define SOURCE_FRONTEND_DEBUG(X) \ |
| {if (!quiet_flag) {printf ("* "); printf X; putchar ('\n');} } |
| #else |
| #define SOURCE_FRONTEND_DEBUG(X) |
| #endif |
| |
| /* Macro for error recovering */ |
| #ifdef YYDEBUG |
| #define RECOVERED \ |
| { if (!quiet_flag) {printf ("** Recovered\n");} } |
| #define DRECOVERED(s) \ |
| { if (!quiet_flag) {printf ("** Recovered (%s)\n", #s);}} |
| #else |
| #define RECOVERED |
| #define DRECOVERED(s) |
| #endif |
| |
| #define DRECOVER(s) {yyerrok; DRECOVERED(s)} |
| #define RECOVER {yyerrok; RECOVERED} |
| |
| #define YYERROR_NOW ctxp->java_error_flag = 1 |
| #define YYNOT_TWICE if (ctxp->prevent_ese != lineno) |
| |
| /* Accepted modifiers */ |
| #define CLASS_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT|ACC_FINAL |
| #define FIELD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_FINAL| \ |
| ACC_STATIC|ACC_TRANSIENT|ACC_VOLATILE |
| #define METHOD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_ABSTRACT| \ |
| ACC_STATIC|ACC_FINAL|ACC_SYNCHRONIZED|ACC_NATIVE |
| #define INTERFACE_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT |
| #define INTERFACE_METHOD_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT |
| #define INTERFACE_FIELD_MODIFIERS ACC_PUBLIC|ACC_STATIC|ACC_FINAL |
| |
| /* Getting a modifier WFL */ |
| #define MODIFIER_WFL(M) (ctxp->modifier_ctx [(M) - PUBLIC_TK]) |
| |
| /* Check on modifiers */ |
| #define THIS_MODIFIER_ONLY(f, m, v, count, l) \ |
| if ((f) & (m)) \ |
| { \ |
| tree node = ctxp->modifier_ctx [v]; \ |
| if ((l) \ |
| && ((EXPR_WFL_COLNO (node) > EXPR_WFL_COLNO (l)) \ |
| || (EXPR_WFL_LINENO (node) > EXPR_WFL_LINENO (l)))) \ |
| l = node; \ |
| else if (!(l)) \ |
| l = node; \ |
| count++; \ |
| } |
| |
| #define ABSTRACT_CHECK(FLAG, V, CL, S) \ |
| if ((FLAG) & (V)) \ |
| parse_error_context ((CL), S " method can't be abstract"); |
| |
| #define JCONSTRUCTOR_CHECK(FLAG, V, CL, S) \ |
| if ((FLAG) & (V)) \ |
| parse_error_context ((CL), "Constructor can't be %s", (S)); \ |
| |
| /* Misc. */ |
| #define exit_java_complete_class() \ |
| { \ |
| pop_obstacks (); \ |
| return; \ |
| } |
| |
| #define CLASS_OR_INTERFACE(decl, s1, s2) \ |
| (decl ? \ |
| ((get_access_flags_from_decl (TYPE_NAME (TREE_TYPE (decl))) \ |
| & ACC_INTERFACE) ? \ |
| s2 : s1) : ((s1 [0]=='S'|| s1 [0]=='s') ? \ |
| (s1 [0]=='S' ? "Supertype" : "supertype") : \ |
| (s1 [0] > 'A' ? "Type" : "type"))) |
| |
| #define GET_REAL_TYPE(TYPE) \ |
| (TREE_CODE (TYPE) == TREE_LIST ? TREE_PURPOSE (TYPE) : TYPE) |
| |
| #define GET_METHOD_NAME(METHOD) \ |
| (TREE_CODE (DECL_NAME (METHOD)) == EXPR_WITH_FILE_LOCATION ? \ |
| EXPR_WFL_NODE (DECL_NAME (METHOD)) : DECL_NAME (METHOD)) |
| |
| /* Get TYPE name string, regardless whether TYPE is a class or an |
| array. */ |
| #define GET_TYPE_NAME(TYPE) \ |
| (TREE_CODE (TYPE_NAME (TYPE)) == IDENTIFIER_NODE ? \ |
| IDENTIFIER_POINTER (TYPE_NAME (TYPE)) : \ |
| IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (TYPE)))) |
| |
| /* Pedantic warning on obsolete modifiers. Note: when cl is NULL, |
| flags was set artificially, such as for a interface method */ |
| #define OBSOLETE_MODIFIER_WARNING(cl, flags, modifier, format, arg) \ |
| { \ |
| if (flag_redundant && (cl) && ((flags) & (modifier))) \ |
| parse_warning_context (cl, \ |
| "Discouraged redundant use of `%s' modifier " \ |
| "in declaration of " format, \ |
| java_accstring_lookup (modifier), arg); \ |
| } |
| |
| /* Quickly build a temporary pointer on hypothetical type NAME. */ |
| #define BUILD_PTR_FROM_NAME(ptr, name) \ |
| { \ |
| ptr = build (POINTER_TYPE, NULL_TREE); \ |
| TYPE_NAME (ptr) = name; \ |
| } |
| |
| #define INCOMPLETE_TYPE_P(NODE) \ |
| ((TREE_CODE (NODE) == POINTER_TYPE) \ |
| && !TREE_TYPE (NODE) \ |
| && TREE_CODE (TYPE_NAME (NODE)) == IDENTIFIER_NODE) |
| |
| /* Set the EMIT_LINE_NOTE flag of a EXPR_WLF to 1 if debug information |
| are requested. Works in the context of a parser rule. */ |
| #define JAVA_MAYBE_GENERATE_DEBUG_INFO(node) \ |
| (debug_info_level != DINFO_LEVEL_NONE ? \ |
| EXPR_WFL_EMIT_LINE_NOTE (node) = 1, node : node) |
| |
| /* Types classification, according to the JLS, section 4.2 */ |
| #define JFLOAT_TYPE_P(TYPE) (TYPE && TREE_CODE ((TYPE)) == REAL_TYPE) |
| #define JINTEGRAL_TYPE_P(TYPE) ((TYPE) \ |
| && (TREE_CODE ((TYPE)) == INTEGER_TYPE \ |
| || TREE_CODE ((TYPE)) == CHAR_TYPE)) |
| #define JNUMERIC_TYPE_P(TYPE) ((TYPE) \ |
| && (JFLOAT_TYPE_P ((TYPE)) \ |
| || JINTEGRAL_TYPE_P ((TYPE)))) |
| #define JPRIMITIVE_TYPE_P(TYPE) ((TYPE) \ |
| && (JNUMERIC_TYPE_P ((TYPE)) \ |
| || TREE_CODE ((TYPE)) == BOOLEAN_TYPE)) |
| |
| #define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node) \ |
| || ((TYPE) == short_type_node) \ |
| || ((TYPE) == char_type_node))) |
| |
| /* Not defined in the LRM */ |
| #define JSTRING_TYPE_P(TYPE) ((TYPE) \ |
| && ((TYPE) == string_type_node || \ |
| (TREE_CODE (TYPE) == POINTER_TYPE && \ |
| TREE_TYPE (TYPE) == string_type_node))) |
| #define JSTRING_P(NODE) ((NODE) \ |
| && (TREE_CODE (NODE) == STRING_CST \ |
| || IS_CRAFTED_STRING_BUFFER_P (NODE) \ |
| || JSTRING_TYPE_P (TREE_TYPE (NODE)))) |
| |
| #define JREFERENCE_TYPE_P(TYPE) ((TYPE) \ |
| && (TREE_CODE (TYPE) == RECORD_TYPE \ |
| || (TREE_CODE (TYPE) == POINTER_TYPE \ |
| && TREE_CODE (TREE_TYPE (TYPE)) == \ |
| RECORD_TYPE))) |
| #define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \ |
| && (TYPE) == TREE_TYPE (null_pointer_node)) |
| |
| /* Other predicate */ |
| #define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL \ |
| || TREE_CODE (NODE) == VAR_DECL \ |
| || TREE_CODE (NODE) == FIELD_DECL)) |
| |
| #define TYPE_INTERFACE_P(TYPE) \ |
| (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE))) |
| |
| #define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE) \ |
| && !CLASS_INTERFACE (TYPE_NAME (TYPE))) |
| |
| /* Standard error messages */ |
| #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE) \ |
| parse_error_context \ |
| ((OPERATOR), "Incompatible type for `%s'. Can't convert `%s' to " \ |
| "boolean", operator_string ((NODE)), lang_printable_name ((TYPE),0)) |
| |
| #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE) \ |
| parse_error_context \ |
| ((OPERATOR), "Incompatible type for `%s'. Can't convert `%s' to " \ |
| "numeric type", operator_string ((NODE)), lang_printable_name ((TYPE), 0)) |
| |
| #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE) \ |
| parse_error_context \ |
| ((OPERATOR), (JPRIMITIVE_TYPE_P (TYPE) ? \ |
| "Incompatible type for `%s'. Explicit cast needed to convert " \ |
| "`%s' to integral" : "Incompatible type for `%s'. Can't convert " \ |
| "`%s' to integral"), operator_string ((NODE)), \ |
| lang_printable_name ((TYPE), 0)) |
| |
| #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V) \ |
| parse_error_context \ |
| ((WFL), "Variable `%s' may not have been initialized", \ |
| IDENTIFIER_POINTER (V)) |
| |
| /* Definition for loop handling. This is Java's own definition of a |
| loop body. See parse.y for documentation. It's valid once you hold |
| a loop's body (LOOP_EXPR_BODY) */ |
| |
| /* The loop main block is the one hold the condition and the loop body */ |
| #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0) |
| /* And then there is the loop update block */ |
| #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1) |
| |
| /* Inside the loop main block, there is the loop condition and the |
| loop body. They may be reversed if the loop being described is a |
| do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you |
| can issue debug info for it, the EXIT_EXPR will be one operand |
| further. */ |
| #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R) \ |
| TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0)) |
| |
| /* Here is the labeled block the loop real body is encapsulated in */ |
| #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R) \ |
| TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1)) |
| /* And here is the loop's real body */ |
| #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R) \ |
| LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R)) |
| |
| /* Does a loop have a label ? */ |
| #define LOOP_HAS_LABEL_P(LOOP) \ |
| (ctxp->current_labeled_block \ |
| && LABELED_BLOCK_BODY (ctxp->current_labeled_block) == (LOOP)) |
| |
| /* Same operation than the one performed above, but considering the |
| previous labeled block */ |
| #define LOOP_HAS_LABEL_SKIP_P(LOOP) \ |
| (ctxp->current_labeled_block \ |
| && TREE_CHAIN (ctxp->current_labeled_block) \ |
| && LABELED_BLOCK_BODY (TREE_CHAIN (ctxp->current_labeled_block)) == (LOOP)) |
| |
| #define PUSH_LABELED_BLOCK(B) \ |
| { \ |
| TREE_CHAIN (B) = ctxp->current_labeled_block; \ |
| ctxp->current_labeled_block = (B); \ |
| } |
| #define POP_LABELED_BLOCK() \ |
| ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block) |
| |
| #define PUSH_LOOP(L) \ |
| { \ |
| TREE_CHAIN (L) = ctxp->current_loop; \ |
| ctxp->current_loop = (L); \ |
| } |
| #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop) |
| |
| #define PUSH_EXCEPTIONS(E) \ |
| currently_caught_type_list = \ |
| tree_cons (NULL_TREE, (E), currently_caught_type_list); |
| |
| #define POP_EXCEPTIONS() \ |
| currently_caught_type_list = TREE_CHAIN (currently_caught_type_list) |
| |
| /* Check that we're inside a try block. */ |
| #define IN_TRY_BLOCK_P() \ |
| (currently_caught_type_list \ |
| && ((TREE_VALUE (currently_caught_type_list) != \ |
| DECL_FUNCTION_THROWS (current_function_decl)) \ |
| || TREE_CHAIN (currently_caught_type_list))) |
| |
| /* Check that we have exceptions in E. */ |
| #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE) |
| |
| /* Invocation modes, as returned by invocation_mode (). */ |
| enum { |
| INVOKE_STATIC, |
| INVOKE_NONVIRTUAL, |
| INVOKE_SUPER, |
| INVOKE_INTERFACE, |
| INVOKE_VIRTUAL |
| }; |
| |
| /* We need the resolution stuff only if we compile jc1 */ |
| #ifndef JC1_LITE |
| |
| /* Unresolved type identifiers handling. When we process the source |
| code, we blindly accept an unknown type identifier and try to |
| resolve it later. When an unknown type identifier is encountered |
| and used, we record in a struct jdep element what the incomplete |
| type is and what it should patch. Later, java_complete_class will |
| process all classes known to have unresolved type |
| dependencies. Within each of these classes, this routine will |
| process unresolved type dependencies (JDEP_TO_RESOLVE), patch what |
| needs to be patched in the dependent tree node (JDEP_GET_PATCH, |
| JDEP_APPLY_PATCH) and perform other actions dictated by the context |
| of the patch (JDEP_KIND). The ideas are: we patch only what needs |
| to be patched, and with java_complete_class called at the right |
| time, we will start processing incomplete function bodies tree |
| nodes with everything external to function's bodies already |
| completed, it makes things much simpler. */ |
| |
| enum jdep_code { |
| JDEP_NO_PATCH, /* Must be first */ |
| JDEP_SUPER, /* Patch the type of one type |
| supertype. Requires some check |
| before it's done */ |
| JDEP_FIELD, /* Patch the type of a class field */ |
| |
| /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */ |
| JDEP_METHOD, /* Mark the beginning of the patching |
| of a method declaration, including |
| it's arguments */ |
| JDEP_METHOD_RETURN, /* Mark the beginning of the patching |
| of a method declaration. Arguments |
| aren't patched, only the returned |
| type is */ |
| JDEP_METHOD_END, /* Mark the end of the patching of a |
| method declaration. It indicates |
| that it's time to compute and |
| install a new signature */ |
| |
| JDEP_INTERFACE, /* Patch the type of a Class/interface |
| extension */ |
| JDEP_VARIABLE, /* Patch the type of a variable declaration */ |
| JDEP_PARM, /* Patch the type of a parm declaration */ |
| JDEP_TYPE, /* Patch a random tree node type, |
| without the need for any specific |
| actions */ |
| JDEP_EXCEPTION /* Patch exceptions specified by `throws' */ |
| }; |
| |
| typedef struct _jdep { |
| #ifdef ONLY_INT_FIELDS |
| int kind : 8; /* Type of patch */ |
| #else |
| enum jdep_code kind : 8; |
| #endif |
| |
| int flag0 : 1; /* Some flags */ |
| tree decl; /* Tied decl/or WFL */ |
| tree solv; /* What to solve */ |
| tree wfl; /* Where thing to resolve where found */ |
| tree misc; /* Miscellaneous info (optional). */ |
| tree *patch; /* Address of a location to patch */ |
| struct _jdep *next; /* Linked list */ |
| } jdep; |
| |
| |
| #define JDEP_DECL(J) ((J)->decl) |
| #define JDEP_DECL_WFL(J) ((J)->decl) |
| #define JDEP_KIND(J) ((J)->kind) |
| #define JDEP_SOLV(J) ((J)->solv) |
| #define JDEP_WFL(J) ((J)->wfl) |
| #define JDEP_MISC(J) ((J)->misc) |
| #define JDEP_CLASS(J) ((J)->class) |
| #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P)) |
| #define JDEP_GET_PATCH(J) ((J)->patch) |
| #define JDEP_CHAIN(J) ((J)->next) |
| #define JDEP_TO_RESOLVE(J) ((J)->solv) |
| #define JDEP_RESOLVED_DECL(J) ((J)->solv) |
| #define JDEP_RESOLVED(J, D) ((J)->solv = D) |
| #define JDEP_RESOLVED_P(J) \ |
| (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE) |
| |
| typedef struct _jdeplist { |
| jdep *first; |
| jdep *last; |
| struct _jdeplist *next; |
| } jdeplist; |
| |
| #endif /* JC1_LITE */ |
| |
| #define CLASSD_FIRST(CD) ((CD)->first) |
| #define CLASSD_LAST(CD) ((CD)->last) |
| #define CLASSD_CHAIN(CD) ((CD)->next) |
| |
| #define JDEP_INSERT(L,J) \ |
| { \ |
| if (!(L)->first) \ |
| (L)->last = (L)->first = (J); \ |
| else \ |
| { \ |
| JDEP_CHAIN ((L)->last) = (J); \ |
| (L)->last = (J); \ |
| } \ |
| } |
| |
| /* if TYPE can't be resolved, obtain something suitable for its |
| resolution (TYPE is saved in SAVE before being changed). and set |
| CHAIN to 1. Otherwise, type is set to something usable. CHAIN is |
| usually used to determine that a new DEP must be installed on TYPE. |
| Note that when compiling java.lang.Object, references to Object are |
| java.lang.Object. */ |
| #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN) \ |
| { \ |
| tree returned_type; \ |
| (CHAIN) = 0; \ |
| if (TREE_TYPE (ctxp->current_parsed_class) == object_type_node \ |
| && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION \ |
| && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node) \ |
| (TYPE) = object_type_node; \ |
| else \ |
| { \ |
| if (unresolved_type_p (type, &returned_type)) \ |
| { \ |
| if (returned_type) \ |
| (TYPE) = returned_type; \ |
| else \ |
| { \ |
| (SAVE) = (TYPE); \ |
| (TYPE) = obtain_incomplete_type (TYPE); \ |
| CHAIN = 1; \ |
| } \ |
| } \ |
| } \ |
| } |
| /* Promote a type if it won't be registered as a patch */ |
| #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE) \ |
| { \ |
| if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE) \ |
| (TYPE) = promote_type (TYPE); \ |
| } |
| |
| /* Insert a DECL in the current block */ |
| #define BLOCK_CHAIN_DECL(NODE) \ |
| { \ |
| TREE_CHAIN ((NODE)) = \ |
| BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)); \ |
| BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE); \ |
| } |
| |
| /* Return the current block, either found in the body of the currently |
| declared function or in the current static block being defined. */ |
| #define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) : \ |
| current_static_block) |
| |
| /* For an artificial BLOCK (created to house a local variable declaration not |
| at the start of an existing block), the parent block; otherwise NULL. */ |
| #define BLOCK_EXPR_ORIGIN(NODE) BLOCK_ABSTRACT_ORIGIN(NODE) |
| |
| /* Merge an other line to the source line number of a decl. Used to |
| remember function's end. */ |
| #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16) |
| |
| /* Retrieve those two info separately. */ |
| #define DECL_SOURCE_LINE_FIRST(DECL) (DECL_SOURCE_LINE(DECL) & 0x0000ffff) |
| #define DECL_SOURCE_LINE_LAST(DECL) (DECL_SOURCE_LINE(DECL) >> 16) |
| |
| /* Retrieve line/column from a WFL. */ |
| #define EXPR_WFL_GET_LINECOL(V,LINE,COL) \ |
| { \ |
| (LINE) = (V) >> 12; \ |
| (COL) = (V) & 0xfff; \ |
| } |
| |
| /* Build a WFL for expression nodes */ |
| #define BUILD_EXPR_WFL(NODE, WFL) \ |
| build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)), \ |
| EXPR_WFL_COLNO ((WFL))) |
| |
| #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 1) |
| #define QUAL_WFL(NODE) TREE_PURPOSE (NODE) |
| #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE) |
| #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE) |
| |
| #define GET_SKIP_TYPE(NODE) \ |
| (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ? \ |
| TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE)) |
| |
| /* Handy macros for the walk operation */ |
| #define COMPLETE_CHECK_OP(NODE, N) \ |
| { \ |
| TREE_OPERAND ((NODE), (N)) = \ |
| java_complete_tree (TREE_OPERAND ((NODE), (N))); \ |
| if (TREE_OPERAND ((NODE), (N)) == error_mark_node) \ |
| return error_mark_node; \ |
| } |
| #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0) |
| #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1) |
| #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2) |
| |
| /* Building invocations: append(ARG) and StringBuffer(ARG) */ |
| #define BUILD_APPEND(ARG) \ |
| ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG))) \ |
| ? build_method_invocation (wfl_append, \ |
| ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\ |
| : build_method_invocation (wfl_append, \ |
| ARG ? build_tree_list (NULL, \ |
| build1 (CONVERT_EXPR, \ |
| object_type_node,\ |
| (ARG))) \ |
| : NULL_TREE)) |
| #define BUILD_STRING_BUFFER(ARG) \ |
| build_new_invocation (wfl_string_buffer, \ |
| (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)) |
| |
| /* For exception handling, build diverse function calls */ |
| #define BUILD_ASSIGN_EXCEPTION_INFO(WHERE, TO) \ |
| { \ |
| (WHERE) = build (MODIFY_EXPR, void_type_node, (TO), \ |
| soft_exceptioninfo_call_node); \ |
| TREE_SIDE_EFFECTS (WHERE) = 1; \ |
| } |
| |
| #define BUILD_THROW(WHERE, WHAT) \ |
| { \ |
| (WHERE) = build (CALL_EXPR, void_type_node, \ |
| build_address_of (throw_node), \ |
| build_tree_list (NULL_TREE, (WHAT)), NULL_TREE); \ |
| TREE_SIDE_EFFECTS ((WHERE)) = 1; \ |
| } |
| |
| /* Set wfl_operator for the most accurate error location */ |
| #define SET_WFL_OPERATOR(WHICH, NODE, WFL) \ |
| EXPR_WFL_LINECOL (WHICH) = \ |
| (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ? \ |
| EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE)) |
| |
| #define PATCH_METHOD_RETURN_ERROR() \ |
| { \ |
| if (ret_decl) \ |
| *ret_decl = NULL_TREE; \ |
| return error_mark_node; \ |
| } |
| |
| /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL. */ |
| #define CHECK_METHODS(CLASS) \ |
| { \ |
| if (CLASS_INTERFACE ((CLASS))) \ |
| java_check_abstract_methods ((CLASS)); \ |
| else \ |
| java_check_regular_methods ((CLASS)); \ |
| } |
| |
| /* Using and reseting the @deprecated tag flag */ |
| #define CHECK_DEPRECATED(DECL) \ |
| { \ |
| if (ctxp->deprecated) \ |
| DECL_DEPRECATED (DECL) = 1; \ |
| ctxp->deprecated = 0; \ |
| } |
| |
| /* Register an import */ |
| #define REGISTER_IMPORT(WHOLE, NAME) \ |
| { \ |
| IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1; \ |
| node = build_tree_list ((WHOLE), (NAME)); \ |
| TREE_CHAIN (node) = ctxp->import_list; \ |
| ctxp->import_list = node; \ |
| } |
| |
| /* Macro to access the osb (opening square bracket) count */ |
| #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth] |
| |
| /* Parser context data structure. */ |
| struct parser_ctxt { |
| |
| char *filename; /* Current filename */ |
| FILE *finput; /* Current file input stream */ |
| struct parser_ctxt *next; |
| |
| struct java_line *p_line, *c_line; /* Previous and current line */ |
| java_lc elc; /* Error's line column info */ |
| unicode_t unget_utf8_value; /* An unget utf8 value */ |
| int ccb_indent; /* Keep track of {} indent, lexer */ |
| int first_ccb_indent1; /* First { at ident level 1 */ |
| int last_ccb_indent1; /* Last } at ident level 1 */ |
| int parser_ccb_indent; /* Keep track of {} indent, parser */ |
| int osb_depth; /* Current depth of [ in an expression */ |
| int osb_limit; /* Limit of this depth */ |
| int *osb_number; /* Keep track of ['s */ |
| int minus_seen; /* Integral literal overflow */ |
| int lineno; /* Current lineno */ |
| int java_error_flag; /* Report error when true */ |
| int deprecated; /* @deprecated tag seen */ |
| |
| /* This section is defined only if we compile jc1 */ |
| #ifndef JC1_LITE |
| tree modifier_ctx [11]; /* WFL of modifiers */ |
| tree current_class; /* Current class */ |
| tree current_function_decl; /* Current function decl, save/restore */ |
| |
| struct JCF *current_jcf; /* CU jcf */ |
| |
| int prevent_ese; /* Prevent expression statement error */ |
| int class_err; /* Flag to report certain errors */ |
| |
| int formal_parameter_number; /* Number of parameters found */ |
| int interface_number; /* # itfs declared to extend an itf def */ |
| |
| tree package; /* Defined package ID */ |
| |
| /* Those tow list are saved accross file traversal */ |
| tree incomplete_class; /* List of non-complete classes */ |
| tree gclass_list; /* All classes seen from source code */ |
| |
| /* These two lists won't survive file traversal */ |
| tree class_list; /* List of classes in a CU */ |
| jdeplist *classd_list; /* Classe dependencies in a CU */ |
| |
| tree current_parsed_class; /* Class currently parsed */ |
| tree current_parsed_class_un; /* Curr. parsed class unqualified name */ |
| |
| tree non_static_initialized; /* List of non static initialized fields */ |
| tree static_initialized; /* List of static non final initialized */ |
| |
| tree import_list; /* List of import */ |
| tree import_demand_list; /* List of import on demand */ |
| |
| tree current_loop; /* List of the currently nested |
| loops/switches */ |
| tree current_labeled_block; /* List of currently nested |
| labeled blocks. */ |
| |
| int pending_block; /* Pending block to close */ |
| |
| int explicit_constructor_p; /* True when processing an explicit |
| constructor. This flag is used to trap |
| illegal argument usage during an |
| explicit constructor invocation. */ |
| #endif /* JC1_LITE */ |
| }; |
| |
| #ifndef JC1_LITE |
| void safe_layout_class PROTO ((tree)); |
| void java_complete_class PROTO ((void)); |
| void java_check_circular_reference PROTO ((void)); |
| void java_check_final PROTO ((void)); |
| void java_layout_classes PROTO ((void)); |
| tree java_method_add_stmt PROTO ((tree, tree)); |
| void java_expand_switch PROTO ((tree)); |
| int java_report_errors PROTO (()); |
| extern tree do_resolve_class PROTO ((tree, tree, tree)); |
| #endif |
| char *java_get_line_col PROTO ((char *, int, int)); |
| extern void reset_report PROTO ((void)); |
| |
| /* Always in use, no matter what you compile */ |
| void java_push_parser_context PROTO ((void)); |
| void java_pop_parser_context PROTO ((int)); |
| void java_init_lex PROTO ((void)); |
| extern void java_parser_context_save_global PROTO ((void)); |
| extern void java_parser_context_restore_global PROTO ((void)); |
| int yyparse PROTO ((void)); |
| extern int java_parse PROTO ((void)); |
| int yylex (); |
| void yyerror PROTO ((char *)); |
| extern void java_expand_classes PROTO ((void)); |
| #endif |
