+++ /dev/null
-/* Language lexer definitions for the GNU compiler for the Java(TM) language.
- Copyright (C) 1997, 1998, 1999, 2000, 2001 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 GCC_JAVA_LEX_H
-#define GCC_JAVA_LEX_H
-
-/* Extern global variables declarations */
-extern FILE *finput;
-extern int lineno;
-
-/* A Unicode character, as read from the input file */
-typedef unsigned short unicode_t;
-
-#ifdef HAVE_ICONV
-#include <iconv.h>
-#endif /* HAVE_ICONV */
-
-/* Default encoding to use if no encoding is specified. */
-#define DEFAULT_ENCODING "UTF-8"
-
-/* Debug macro to print-out what we match */
-#ifdef JAVA_LEX_DEBUG
-#ifdef JAVA_LEX_DEBUG_CHAR
-#define JAVA_LEX_CHAR(c) printf ("java_lex:%d: char '%c'.%d\n", \
- lineno, (c < 128 ? c : '.'), c);
-#else
-#define JAVA_LEX_CHAR(c)
-#endif
-#define JAVA_LEX_KW(c) printf ("java_lex:%d: keyword: '%s'\n", lineno,c)
-#define JAVA_LEX_ID(s) printf ("java_lex:%d: ID: '%s'\n", \
- lineno, \
- (all_ascii ? s : "<U>"))
-#define JAVA_LEX_LIT(s, r) printf ("java_lex:%d: literal '%s'_%d\n", \
- lineno, s, r)
-#define JAVA_LEX_CHAR_LIT(s) printf ("java_lex:%d: literal '%d'\n", lineno, s)
-#define JAVA_LEX_STR_LIT(s) { \
- int i; \
- printf ("java_lex:%d: literal '%s'\n", \
- lineno, s); \
- }
-#define JAVA_LEX_SEP(c) printf ("java_lex:%d: separator '%c'\n",lineno,c)
-#define JAVA_LEX_OP(c) printf ("java_lex:%d: operator '%s'\n", lineno,c)
-#else
-#define JAVA_LEX_CHAR(c)
-#define JAVA_LEX_KW(c)
-#define JAVA_LEX_ID(s)
-#define JAVA_LEX_LIT(s,r)
-#define JAVA_LEX_CHAR_LIT(s)
-#define JAVA_LEX_STR_LIT(s)
-#define JAVA_LEX_SEP(c)
-#define JAVA_LEX_OP(s)
-#endif
-
-/* Line information containers */
-struct java_line {
- unicode_t *line; /* The line's unicode */
- char *unicode_escape_p; /* The matching char was a unicode escape */
- unicode_t ahead[1]; /* Character ahead */
- char unicode_escape_ahead_p; /* Character ahead is a unicode escape */
- int max; /* buffer's max size */
- int size; /* number of unicodes */
- int current; /* Current position, unicode based */
- int char_col; /* Current position, input char based */
- int lineno; /* Its line number */
- int white_space_only; /* If it contains only white spaces */
-};
-#define JAVA_COLUMN_DELTA(p) \
- (ctxp->c_line->unicode_escape_p [ctxp->c_line->current+(p)] ? 6 : \
- (ctxp->c_line->line [ctxp->c_line->current+(p)] == '\t' ? 8 : 1))
-
-struct java_error {
- struct java_line *line;
- int error;
-};
-
-typedef struct _java_lc {
- int line;
- int prev_col;
- int col;
-} java_lc;
-
-typedef struct java_lexer
-{
- /* The file from which we're reading. */
- FILE *finput;
-
- /* Number of consecutive backslashes we've read. */
- int bs_count;
-
- /* If nonzero, a value that was pushed back. */
- unicode_t unget_value;
-
- /* If nonzero, we've hit EOF. Used only by java_get_unicode(). */
- int hit_eof : 1;
-
-#ifdef HAVE_ICONV
- /* Nonzero if we've read any bytes. We only recognize the
- byte-order-marker (BOM) as the first word. */
- int read_anything : 1;
-
- /* Nonzero if we have to byte swap. */
- int byte_swap : 1;
-
- /* Nonzero if we're using the fallback decoder. */
- int use_fallback : 1;
-
- /* The handle for the iconv converter we're using. */
- iconv_t handle;
-
- /* Bytes we've read from the file but have not sent to iconv. */
- char buffer[1024];
-
- /* Index of first valid character in buffer, -1 if no valid
- characters. */
- int first;
-
- /* Index of last valid character in buffer, plus one. -1 if no
- valid characters in buffer. */
- int last;
-
- /* This is a buffer of characters already converted by iconv. We
- use `char' here because we're assuming that iconv() converts to
- UCS-2, and then we convert it ourselves. */
- unsigned char out_buffer[1024];
-
- /* Index of first valid output character. -1 if no valid
- characters. */
- int out_first;
-
- /* Index of last valid output character, plus one. -1 if no valid
- characters. */
- int out_last;
-
-#endif /* HAVE_ICONV */
-} java_lexer;
-
-/* Destroy a lexer object. */
-extern void java_destroy_lexer PARAMS ((java_lexer *));
-
-#define JAVA_LINE_MAX 80
-
-/* Build a location compound integer */
-#define BUILD_LOCATION() ((ctxp->elc.line << 12) | (ctxp->elc.col & 0xfff))
-
-/* Those macros are defined differently if we compile jc1-lite
- (JC1_LITE defined) or jc1. */
-#ifdef JC1_LITE
-
-#define DCONST0 0
-#define REAL_VALUE_TYPE int
-#define GET_IDENTIFIER(S) xstrdup ((S))
-#define REAL_VALUE_ATOF(LIT,MODE) 0
-#define REAL_VALUE_ISINF(VALUE) 0
-#define REAL_VALUE_ISNAN(VALUE) 0
-#define SET_REAL_VALUE_ATOF(TARGET,SOURCE)
-#define FLOAT_TYPE_NODE 0
-#define DOUBLE_TYPE_NODE 0
-#define SET_MODIFIER_CTX(TOKEN) java_lval->value = (TOKEN)
-#define GET_TYPE_PRECISION(NODE) 4
-#define BUILD_OPERATOR(TOKEN) return TOKEN
-#define BUILD_OPERATOR2(TOKEN) return ASSIGN_ANY_TK
-#define SET_LVAL_NODE(NODE)
-#define SET_LVAL_NODE_TYPE(NODE, TYPE)
-#define BUILD_ID_WFL(EXP) (EXP)
-#define JAVA_FLOAT_RANGE_ERROR(S) {}
-#define JAVA_INTEGRAL_RANGE_ERROR(S) {}
-
-#else
-
-#define DCONST0 dconst0
-#define GET_IDENTIFIER(S) get_identifier ((S))
-#define SET_REAL_VALUE_ATOF(TARGET,SOURCE) (TARGET) = (SOURCE)
-#define FLOAT_TYPE_NODE float_type_node
-#define DOUBLE_TYPE_NODE double_type_node
-/* Set modifier_ctx according to TOKEN */
-#define SET_MODIFIER_CTX(TOKEN) \
- { \
- ctxp->modifier_ctx [(TOKEN)-PUBLIC_TK] = build_wfl_node (NULL_TREE); \
- java_lval->value = (TOKEN)-PUBLIC_TK; \
- }
-/* Type precision for long */
-#define GET_TYPE_PRECISION(NODE) TYPE_PRECISION (long_type_node) / 8;
-/* Build an operator tree node and return TOKEN */
-#define BUILD_OPERATOR(TOKEN) \
- { \
- java_lval->operator.token = (TOKEN); \
- java_lval->operator.location = BUILD_LOCATION(); \
- return (TOKEN); \
- }
-
-/* Build an operator tree node but return ASSIGN_ANY_TK */
-#define BUILD_OPERATOR2(TOKEN) \
- { \
- java_lval->operator.token = (TOKEN); \
- java_lval->operator.location = BUILD_LOCATION(); \
- return ASSIGN_ANY_TK; \
- }
-/* Set java_lval->node and TREE_TYPE(java_lval->node) in macros */
-#define SET_LVAL_NODE(NODE) java_lval->node = (NODE)
-#define SET_LVAL_NODE_TYPE(NODE,TYPE) \
- { \
- java_lval->node = (NODE); \
- TREE_TYPE (java_lval->node) = (TYPE); \
- }
-/* Wrap identifier around a wfl */
-#define BUILD_ID_WFL(EXP) build_wfl_node ((EXP))
-/* Special ways to report error on numeric literals */
-#define JAVA_FLOAT_RANGE_ERROR(m) \
- { \
- char msg [1024]; \
- int i = ctxp->c_line->current; \
- ctxp->c_line->current = number_beginning; \
- sprintf (msg, "Floating point literal exceeds range of `%s'", (m)); \
- java_lex_error (msg, 0); \
- ctxp->c_line->current = i; \
- }
-#define JAVA_INTEGRAL_RANGE_ERROR(m) \
- { \
- int i = ctxp->c_line->current; \
- ctxp->c_line->current = number_beginning; \
- java_lex_error (m, 0); \
- ctxp->c_line->current = i; \
- }
-
-#endif /* Definitions for jc1 compilation only */
-
-/* Macros to decode character ranges */
-#define RANGE(c, l, h) (((c) >= l && (c) <= h))
-#define JAVA_WHITE_SPACE_P(c) (c == ' ' || c == '\t' || c == '\f')
-#define JAVA_START_CHAR_P(c) ((c < 128 \
- && (ISIDST (c) || c == '$')) \
- || (c >= 128 && java_start_char_p (c)))
-#define JAVA_PART_CHAR_P(c) ((c < 128 \
- && (ISIDNUM (c) \
- || c == '$' \
- || c == 0x0000 \
- || RANGE (c, 0x01, 0x08) \
- || RANGE (c, 0x0e, 0x1b) \
- || c == 0x7f)) \
- || (c >= 128 && java_part_char_p (c)))
-#define JAVA_ASCII_DIGIT(c) ISDIGIT (c)
-#define JAVA_ASCII_OCTDIGIT(c) RANGE (c, '0', '7')
-#define JAVA_ASCII_HEXDIGIT(c) ISXDIGIT (c)
-#define JAVA_ASCII_FPCHAR(c) (RANGE (c, 'd', 'f') || RANGE (c, 'D', 'F') || \
- c == '.' || JAVA_ASCII_DIGIT (c))
-#define JAVA_FP_SUFFIX(c) (c == 'D' || c == 'd' || c == 'f' || c == 'F')
-#define JAVA_FP_EXP(c) (c == 'E' || c == 'F')
-#define JAVA_FP_PM(c) (c == '-' || c == '+')
-#define JAVA_ASCII_LETTER(c) ISALPHA (c)
-
-/* Constants */
-#define JAVA_READ_BUFFER 256
-#define JAVA_CHAR_ERROR -2
-#define UEOF -1
-
-#endif /* ! GCC_JAVA_LEX_H */
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