/* FLEX lexer for Ada expressions, for GDB.
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/* FLEX lexer for Ada expressions, for GDB.
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Copyright (C) 1994, 1997, 1998, 2000, 2001, 2002, 2003, 2007, 2008
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Copyright (C) 1994, 1997, 1998, 2000, 2001, 2002, 2003, 2007, 2008
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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Boston, MA 02110-1301, USA. */
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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/* The converted version of this file is to be included in ada-exp.y, */
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/* The converted version of this file is to be included in ada-exp.y, */
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/* the Ada parser for gdb. The function yylex obtains characters from */
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/* the Ada parser for gdb. The function yylex obtains characters from */
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/* the global pointer lexptr. It returns a syntactic category for */
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/* the global pointer lexptr. It returns a syntactic category for */
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/* each successive token and places a semantic value into yylval */
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/* each successive token and places a semantic value into yylval */
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/* (ada-lval), defined by the parser. */
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/* (ada-lval), defined by the parser. */
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DIG [0-9]
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DIG [0-9]
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NUM10 ({DIG}({DIG}|_)*)
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NUM10 ({DIG}({DIG}|_)*)
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HEXDIG [0-9a-f]
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HEXDIG [0-9a-f]
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NUM16 ({HEXDIG}({HEXDIG}|_)*)
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NUM16 ({HEXDIG}({HEXDIG}|_)*)
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OCTDIG [0-7]
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OCTDIG [0-7]
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LETTER [a-z_]
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LETTER [a-z_]
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ID ({LETTER}({LETTER}|{DIG})*|"<"{LETTER}({LETTER}|{DIG})*">")
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ID ({LETTER}({LETTER}|{DIG})*|"<"{LETTER}({LETTER}|{DIG})*">")
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WHITE [ \t\n]
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WHITE [ \t\n]
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TICK ("'"{WHITE}*)
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TICK ("'"{WHITE}*)
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GRAPHIC [a-z0-9 #&'()*+,-./:;<>=_|!$%?@\[\]\\^`{}~]
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GRAPHIC [a-z0-9 #&'()*+,-./:;<>=_|!$%?@\[\]\\^`{}~]
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OPER ([-+*/=<>&]|"<="|">="|"**"|"/="|"and"|"or"|"xor"|"not"|"mod"|"rem"|"abs")
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OPER ([-+*/=<>&]|"<="|">="|"**"|"/="|"and"|"or"|"xor"|"not"|"mod"|"rem"|"abs")
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EXP (e[+-]{NUM10})
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EXP (e[+-]{NUM10})
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POSEXP (e"+"?{NUM10})
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POSEXP (e"+"?{NUM10})
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%{
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%{
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#define NUMERAL_WIDTH 256
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#define NUMERAL_WIDTH 256
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#define LONGEST_SIGN ((ULONGEST) 1 << (sizeof(LONGEST) * HOST_CHAR_BIT - 1))
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#define LONGEST_SIGN ((ULONGEST) 1 << (sizeof(LONGEST) * HOST_CHAR_BIT - 1))
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/* Temporary staging for numeric literals. */
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/* Temporary staging for numeric literals. */
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static char numbuf[NUMERAL_WIDTH];
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static char numbuf[NUMERAL_WIDTH];
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static void canonicalizeNumeral (char *s1, const char *);
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static void canonicalizeNumeral (char *s1, const char *);
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static struct stoken processString (const char*, int);
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static struct stoken processString (const char*, int);
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static int processInt (const char *, const char *, const char *);
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static int processInt (const char *, const char *, const char *);
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static int processReal (const char *);
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static int processReal (const char *);
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static struct stoken processId (const char *, int);
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static struct stoken processId (const char *, int);
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static int processAttribute (const char *);
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static int processAttribute (const char *);
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static int find_dot_all (const char *);
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static int find_dot_all (const char *);
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#undef YY_DECL
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#undef YY_DECL
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#define YY_DECL static int yylex ( void )
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#define YY_DECL static int yylex ( void )
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#undef YY_INPUT
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#undef YY_INPUT
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#define YY_INPUT(BUF, RESULT, MAX_SIZE) \
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#define YY_INPUT(BUF, RESULT, MAX_SIZE) \
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if ( *lexptr == '\000' ) \
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if ( *lexptr == '\000' ) \
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(RESULT) = YY_NULL; \
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(RESULT) = YY_NULL; \
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else \
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else \
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{ \
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{ \
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*(BUF) = *lexptr; \
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*(BUF) = *lexptr; \
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(RESULT) = 1; \
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(RESULT) = 1; \
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lexptr += 1; \
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lexptr += 1; \
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}
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}
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static int find_dot_all (const char *);
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static int find_dot_all (const char *);
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%}
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%}
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%option case-insensitive interactive nodefault
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%option case-insensitive interactive nodefault
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%s BEFORE_QUAL_QUOTE
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%s BEFORE_QUAL_QUOTE
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%%
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%%
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{WHITE} { }
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{WHITE} { }
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"--".* { yyterminate(); }
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"--".* { yyterminate(); }
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{NUM10}{POSEXP} {
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{NUM10}{POSEXP} {
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canonicalizeNumeral (numbuf, yytext);
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canonicalizeNumeral (numbuf, yytext);
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return processInt (NULL, numbuf, strrchr(numbuf, 'e')+1);
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return processInt (NULL, numbuf, strrchr(numbuf, 'e')+1);
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}
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}
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{NUM10} {
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{NUM10} {
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canonicalizeNumeral (numbuf, yytext);
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canonicalizeNumeral (numbuf, yytext);
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return processInt (NULL, numbuf, NULL);
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return processInt (NULL, numbuf, NULL);
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}
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}
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{NUM10}"#"{HEXDIG}({HEXDIG}|_)*"#"{POSEXP} {
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{NUM10}"#"{HEXDIG}({HEXDIG}|_)*"#"{POSEXP} {
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canonicalizeNumeral (numbuf, yytext);
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canonicalizeNumeral (numbuf, yytext);
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return processInt (numbuf,
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return processInt (numbuf,
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strchr (numbuf, '#') + 1,
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strchr (numbuf, '#') + 1,
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strrchr(numbuf, '#') + 1);
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strrchr(numbuf, '#') + 1);
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}
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}
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{NUM10}"#"{HEXDIG}({HEXDIG}|_)*"#" {
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{NUM10}"#"{HEXDIG}({HEXDIG}|_)*"#" {
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canonicalizeNumeral (numbuf, yytext);
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canonicalizeNumeral (numbuf, yytext);
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return processInt (numbuf, strchr (numbuf, '#') + 1, NULL);
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return processInt (numbuf, strchr (numbuf, '#') + 1, NULL);
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}
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}
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"0x"{HEXDIG}+ {
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"0x"{HEXDIG}+ {
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canonicalizeNumeral (numbuf, yytext+2);
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canonicalizeNumeral (numbuf, yytext+2);
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return processInt ("16#", numbuf, NULL);
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return processInt ("16#", numbuf, NULL);
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}
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}
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{NUM10}"."{NUM10}{EXP} {
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{NUM10}"."{NUM10}{EXP} {
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canonicalizeNumeral (numbuf, yytext);
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canonicalizeNumeral (numbuf, yytext);
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return processReal (numbuf);
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return processReal (numbuf);
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}
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}
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{NUM10}"."{NUM10} {
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{NUM10}"."{NUM10} {
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canonicalizeNumeral (numbuf, yytext);
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canonicalizeNumeral (numbuf, yytext);
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return processReal (numbuf);
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return processReal (numbuf);
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}
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}
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{NUM10}"#"{NUM16}"."{NUM16}"#"{EXP} {
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{NUM10}"#"{NUM16}"."{NUM16}"#"{EXP} {
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error (_("Based real literals not implemented yet."));
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error (_("Based real literals not implemented yet."));
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}
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}
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{NUM10}"#"{NUM16}"."{NUM16}"#" {
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{NUM10}"#"{NUM16}"."{NUM16}"#" {
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error (_("Based real literals not implemented yet."));
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error (_("Based real literals not implemented yet."));
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}
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}
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"'"({GRAPHIC}|\")"'" {
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"'"({GRAPHIC}|\")"'" {
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yylval.typed_val.type = type_char ();
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yylval.typed_val.type = type_char ();
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yylval.typed_val.val = yytext[1];
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yylval.typed_val.val = yytext[1];
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return CHARLIT;
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return CHARLIT;
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}
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}
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"'[\""{HEXDIG}{2}"\"]'" {
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"'[\""{HEXDIG}{2}"\"]'" {
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int v;
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int v;
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yylval.typed_val.type = type_char ();
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yylval.typed_val.type = type_char ();
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sscanf (yytext+3, "%2x", &v);
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sscanf (yytext+3, "%2x", &v);
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yylval.typed_val.val = v;
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yylval.typed_val.val = v;
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return CHARLIT;
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return CHARLIT;
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}
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}
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\"({GRAPHIC}|"[\""({HEXDIG}{2}|\")"\"]")*\" {
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\"({GRAPHIC}|"[\""({HEXDIG}{2}|\")"\"]")*\" {
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yylval.sval = processString (yytext+1, yyleng-2);
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yylval.sval = processString (yytext+1, yyleng-2);
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return STRING;
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return STRING;
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}
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}
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\" {
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\" {
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error (_("ill-formed or non-terminated string literal"));
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error (_("ill-formed or non-terminated string literal"));
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}
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}
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if {
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if {
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while (*lexptr != 'i' && *lexptr != 'I')
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while (*lexptr != 'i' && *lexptr != 'I')
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lexptr -= 1;
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lexptr -= 1;
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yyrestart(NULL);
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yyrestart(NULL);
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return 0;
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return 0;
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}
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}
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/* ADA KEYWORDS */
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/* ADA KEYWORDS */
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abs { return ABS; }
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abs { return ABS; }
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and { return _AND_; }
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and { return _AND_; }
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else { return ELSE; }
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else { return ELSE; }
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in { return IN; }
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in { return IN; }
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mod { return MOD; }
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mod { return MOD; }
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new { return NEW; }
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new { return NEW; }
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not { return NOT; }
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not { return NOT; }
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null { return NULL_PTR; }
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null { return NULL_PTR; }
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or { return OR; }
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or { return OR; }
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others { return OTHERS; }
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others { return OTHERS; }
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rem { return REM; }
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rem { return REM; }
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then { return THEN; }
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then { return THEN; }
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xor { return XOR; }
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xor { return XOR; }
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/* ATTRIBUTES */
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/* ATTRIBUTES */
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{TICK}[a-zA-Z][a-zA-Z]+ { return processAttribute (yytext+1); }
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{TICK}[a-zA-Z][a-zA-Z]+ { return processAttribute (yytext+1); }
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/* PUNCTUATION */
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/* PUNCTUATION */
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"=>" { return ARROW; }
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"=>" { return ARROW; }
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".." { return DOTDOT; }
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".." { return DOTDOT; }
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"**" { return STARSTAR; }
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"**" { return STARSTAR; }
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":=" { return ASSIGN; }
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":=" { return ASSIGN; }
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"/=" { return NOTEQUAL; }
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"/=" { return NOTEQUAL; }
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"<=" { return LEQ; }
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"<=" { return LEQ; }
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">=" { return GEQ; }
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">=" { return GEQ; }
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"'" { BEGIN INITIAL; return '\''; }
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"'" { BEGIN INITIAL; return '\''; }
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[-&*+./:<>=|;\[\]] { return yytext[0]; }
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[-&*+./:<>=|;\[\]] { return yytext[0]; }
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"," { if (paren_depth == 0 && comma_terminates)
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"," { if (paren_depth == 0 && comma_terminates)
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{
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{
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lexptr -= 1;
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lexptr -= 1;
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yyrestart(NULL);
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yyrestart(NULL);
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return 0;
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return 0;
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}
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}
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else
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else
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return ',';
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return ',';
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}
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}
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"(" { paren_depth += 1; return '('; }
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"(" { paren_depth += 1; return '('; }
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")" { if (paren_depth == 0)
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")" { if (paren_depth == 0)
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{
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{
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lexptr -= 1;
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lexptr -= 1;
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yyrestart(NULL);
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yyrestart(NULL);
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return 0;
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return 0;
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}
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}
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else
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else
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{
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{
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paren_depth -= 1;
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paren_depth -= 1;
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return ')';
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return ')';
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}
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}
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}
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}
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"."{WHITE}*all { return DOT_ALL; }
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"."{WHITE}*all { return DOT_ALL; }
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"."{WHITE}*{ID} {
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"."{WHITE}*{ID} {
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yylval.sval = processId (yytext+1, yyleng-1);
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yylval.sval = processId (yytext+1, yyleng-1);
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return DOT_ID;
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return DOT_ID;
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}
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}
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{ID}({WHITE}*"."{WHITE}*({ID}|\"{OPER}\"))*(" "*"'")? {
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{ID}({WHITE}*"."{WHITE}*({ID}|\"{OPER}\"))*(" "*"'")? {
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int all_posn = find_dot_all (yytext);
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int all_posn = find_dot_all (yytext);
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|
|
if (all_posn == -1 && yytext[yyleng-1] == '\'')
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if (all_posn == -1 && yytext[yyleng-1] == '\'')
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{
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{
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BEGIN BEFORE_QUAL_QUOTE;
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BEGIN BEFORE_QUAL_QUOTE;
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yyless (yyleng-1);
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yyless (yyleng-1);
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}
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}
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else if (all_posn >= 0)
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else if (all_posn >= 0)
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yyless (all_posn);
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yyless (all_posn);
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yylval.sval = processId (yytext, yyleng);
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yylval.sval = processId (yytext, yyleng);
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return NAME;
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return NAME;
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}
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}
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/* GDB EXPRESSION CONSTRUCTS */
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/* GDB EXPRESSION CONSTRUCTS */
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"'"[^']+"'"{WHITE}*:: {
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"'"[^']+"'"{WHITE}*:: {
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yyless (yyleng - 2);
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yyless (yyleng - 2);
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yylval.sval = processId (yytext, yyleng);
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yylval.sval = processId (yytext, yyleng);
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return NAME;
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return NAME;
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}
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}
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"::" { return COLONCOLON; }
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"::" { return COLONCOLON; }
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[{}@] { return yytext[0]; }
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[{}@] { return yytext[0]; }
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/* REGISTERS AND GDB CONVENIENCE VARIABLES */
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/* REGISTERS AND GDB CONVENIENCE VARIABLES */
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"$"({LETTER}|{DIG}|"$")* {
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"$"({LETTER}|{DIG}|"$")* {
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yylval.sval.ptr = yytext;
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yylval.sval.ptr = yytext;
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yylval.sval.length = yyleng;
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yylval.sval.length = yyleng;
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return SPECIAL_VARIABLE;
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return SPECIAL_VARIABLE;
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}
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}
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|
|
/* CATCH-ALL ERROR CASE */
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/* CATCH-ALL ERROR CASE */
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. { error (_("Invalid character '%s' in expression."), yytext); }
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. { error (_("Invalid character '%s' in expression."), yytext); }
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%%
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%%
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#include
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#include
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#include "gdb_string.h"
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#include "gdb_string.h"
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|
|
/* Initialize the lexer for processing new expression. */
|
/* Initialize the lexer for processing new expression. */
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|
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void
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void
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lexer_init (FILE *inp)
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lexer_init (FILE *inp)
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{
|
{
|
BEGIN INITIAL;
|
BEGIN INITIAL;
|
yyrestart (inp);
|
yyrestart (inp);
|
}
|
}
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|
|
|
|
/* Copy S2 to S1, removing all underscores, and downcasing all letters. */
|
/* Copy S2 to S1, removing all underscores, and downcasing all letters. */
|
|
|
static void
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static void
|
canonicalizeNumeral (char *s1, const char *s2)
|
canonicalizeNumeral (char *s1, const char *s2)
|
{
|
{
|
for (; *s2 != '\000'; s2 += 1)
|
for (; *s2 != '\000'; s2 += 1)
|
{
|
{
|
if (*s2 != '_')
|
if (*s2 != '_')
|
{
|
{
|
*s1 = tolower(*s2);
|
*s1 = tolower(*s2);
|
s1 += 1;
|
s1 += 1;
|
}
|
}
|
}
|
}
|
s1[0] = '\000';
|
s1[0] = '\000';
|
}
|
}
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|
|
/* Interprets the prefix of NUM that consists of digits of the given BASE
|
/* Interprets the prefix of NUM that consists of digits of the given BASE
|
as an integer of that BASE, with the string EXP as an exponent.
|
as an integer of that BASE, with the string EXP as an exponent.
|
Puts value in yylval, and returns INT, if the string is valid. Causes
|
Puts value in yylval, and returns INT, if the string is valid. Causes
|
an error if the number is improperly formated. BASE, if NULL, defaults
|
an error if the number is improperly formated. BASE, if NULL, defaults
|
to "10", and EXP to "1". The EXP does not contain a leading 'e' or 'E'.
|
to "10", and EXP to "1". The EXP does not contain a leading 'e' or 'E'.
|
*/
|
*/
|
|
|
static int
|
static int
|
processInt (const char *base0, const char *num0, const char *exp0)
|
processInt (const char *base0, const char *num0, const char *exp0)
|
{
|
{
|
ULONGEST result;
|
ULONGEST result;
|
long exp;
|
long exp;
|
int base;
|
int base;
|
|
|
char *trailer;
|
char *trailer;
|
|
|
if (base0 == NULL)
|
if (base0 == NULL)
|
base = 10;
|
base = 10;
|
else
|
else
|
{
|
{
|
base = strtol (base0, (char **) NULL, 10);
|
base = strtol (base0, (char **) NULL, 10);
|
if (base < 2 || base > 16)
|
if (base < 2 || base > 16)
|
error (_("Invalid base: %d."), base);
|
error (_("Invalid base: %d."), base);
|
}
|
}
|
|
|
if (exp0 == NULL)
|
if (exp0 == NULL)
|
exp = 0;
|
exp = 0;
|
else
|
else
|
exp = strtol(exp0, (char **) NULL, 10);
|
exp = strtol(exp0, (char **) NULL, 10);
|
|
|
errno = 0;
|
errno = 0;
|
result = strtoulst (num0, (const char **) &trailer, base);
|
result = strtoulst (num0, (const char **) &trailer, base);
|
if (errno == ERANGE)
|
if (errno == ERANGE)
|
error (_("Integer literal out of range"));
|
error (_("Integer literal out of range"));
|
if (isxdigit(*trailer))
|
if (isxdigit(*trailer))
|
error (_("Invalid digit `%c' in based literal"), *trailer);
|
error (_("Invalid digit `%c' in based literal"), *trailer);
|
|
|
while (exp > 0)
|
while (exp > 0)
|
{
|
{
|
if (result > (ULONG_MAX / base))
|
if (result > (ULONG_MAX / base))
|
error (_("Integer literal out of range"));
|
error (_("Integer literal out of range"));
|
result *= base;
|
result *= base;
|
exp -= 1;
|
exp -= 1;
|
}
|
}
|
|
|
if ((result >> (gdbarch_int_bit (current_gdbarch)-1)) == 0)
|
if ((result >> (gdbarch_int_bit (current_gdbarch)-1)) == 0)
|
yylval.typed_val.type = type_int ();
|
yylval.typed_val.type = type_int ();
|
else if ((result >> (gdbarch_long_bit (current_gdbarch)-1)) == 0)
|
else if ((result >> (gdbarch_long_bit (current_gdbarch)-1)) == 0)
|
yylval.typed_val.type = type_long ();
|
yylval.typed_val.type = type_long ();
|
else if (((result >> (gdbarch_long_bit (current_gdbarch)-1)) >> 1) == 0)
|
else if (((result >> (gdbarch_long_bit (current_gdbarch)-1)) >> 1) == 0)
|
{
|
{
|
/* We have a number representable as an unsigned integer quantity.
|
/* We have a number representable as an unsigned integer quantity.
|
For consistency with the C treatment, we will treat it as an
|
For consistency with the C treatment, we will treat it as an
|
anonymous modular (unsigned) quantity. Alas, the types are such
|
anonymous modular (unsigned) quantity. Alas, the types are such
|
that we need to store .val as a signed quantity. Sorry
|
that we need to store .val as a signed quantity. Sorry
|
for the mess, but C doesn't officially guarantee that a simple
|
for the mess, but C doesn't officially guarantee that a simple
|
assignment does the trick (no, it doesn't; read the reference manual).
|
assignment does the trick (no, it doesn't; read the reference manual).
|
*/
|
*/
|
yylval.typed_val.type = builtin_type_unsigned_long;
|
yylval.typed_val.type = builtin_type_unsigned_long;
|
if (result & LONGEST_SIGN)
|
if (result & LONGEST_SIGN)
|
yylval.typed_val.val =
|
yylval.typed_val.val =
|
(LONGEST) (result & ~LONGEST_SIGN)
|
(LONGEST) (result & ~LONGEST_SIGN)
|
- (LONGEST_SIGN>>1) - (LONGEST_SIGN>>1);
|
- (LONGEST_SIGN>>1) - (LONGEST_SIGN>>1);
|
else
|
else
|
yylval.typed_val.val = (LONGEST) result;
|
yylval.typed_val.val = (LONGEST) result;
|
return INT;
|
return INT;
|
}
|
}
|
else
|
else
|
yylval.typed_val.type = type_long_long ();
|
yylval.typed_val.type = type_long_long ();
|
|
|
yylval.typed_val.val = (LONGEST) result;
|
yylval.typed_val.val = (LONGEST) result;
|
return INT;
|
return INT;
|
}
|
}
|
|
|
static int
|
static int
|
processReal (const char *num0)
|
processReal (const char *num0)
|
{
|
{
|
sscanf (num0, "%" DOUBLEST_SCAN_FORMAT, &yylval.typed_val_float.dval);
|
sscanf (num0, "%" DOUBLEST_SCAN_FORMAT, &yylval.typed_val_float.dval);
|
|
|
yylval.typed_val_float.type = type_float ();
|
yylval.typed_val_float.type = type_float ();
|
if (sizeof(DOUBLEST) >= gdbarch_double_bit (current_gdbarch)
|
if (sizeof(DOUBLEST) >= gdbarch_double_bit (current_gdbarch)
|
/ TARGET_CHAR_BIT)
|
/ TARGET_CHAR_BIT)
|
yylval.typed_val_float.type = type_double ();
|
yylval.typed_val_float.type = type_double ();
|
if (sizeof(DOUBLEST) >= gdbarch_long_double_bit (current_gdbarch)
|
if (sizeof(DOUBLEST) >= gdbarch_long_double_bit (current_gdbarch)
|
/ TARGET_CHAR_BIT)
|
/ TARGET_CHAR_BIT)
|
yylval.typed_val_float.type = type_long_double ();
|
yylval.typed_val_float.type = type_long_double ();
|
|
|
return FLOAT;
|
return FLOAT;
|
}
|
}
|
|
|
|
|
/* Store a canonicalized version of NAME0[0..LEN-1] in yylval.ssym. The
|
/* Store a canonicalized version of NAME0[0..LEN-1] in yylval.ssym. The
|
resulting string is valid until the next call to ada_parse. It differs
|
resulting string is valid until the next call to ada_parse. It differs
|
from NAME0 in that:
|
from NAME0 in that:
|
+ Characters between '...' or <...> are transfered verbatim to
|
+ Characters between '...' or <...> are transfered verbatim to
|
yylval.ssym.
|
yylval.ssym.
|
+ <, >, and trailing "'" characters in quoted sequences are removed
|
+ <, >, and trailing "'" characters in quoted sequences are removed
|
(a leading quote is preserved to indicate that the name is not to be
|
(a leading quote is preserved to indicate that the name is not to be
|
GNAT-encoded).
|
GNAT-encoded).
|
+ Unquoted whitespace is removed.
|
+ Unquoted whitespace is removed.
|
+ Unquoted alphabetic characters are mapped to lower case.
|
+ Unquoted alphabetic characters are mapped to lower case.
|
Result is returned as a struct stoken, but for convenience, the string
|
Result is returned as a struct stoken, but for convenience, the string
|
is also null-terminated. Result string valid until the next call of
|
is also null-terminated. Result string valid until the next call of
|
ada_parse.
|
ada_parse.
|
*/
|
*/
|
static struct stoken
|
static struct stoken
|
processId (const char *name0, int len)
|
processId (const char *name0, int len)
|
{
|
{
|
char *name = obstack_alloc (&temp_parse_space, len + 11);
|
char *name = obstack_alloc (&temp_parse_space, len + 11);
|
int i0, i;
|
int i0, i;
|
struct stoken result;
|
struct stoken result;
|
|
|
while (len > 0 && isspace (name0[len-1]))
|
while (len > 0 && isspace (name0[len-1]))
|
len -= 1;
|
len -= 1;
|
i = i0 = 0;
|
i = i0 = 0;
|
while (i0 < len)
|
while (i0 < len)
|
{
|
{
|
if (isalnum (name0[i0]))
|
if (isalnum (name0[i0]))
|
{
|
{
|
name[i] = tolower (name0[i0]);
|
name[i] = tolower (name0[i0]);
|
i += 1; i0 += 1;
|
i += 1; i0 += 1;
|
}
|
}
|
else switch (name0[i0])
|
else switch (name0[i0])
|
{
|
{
|
default:
|
default:
|
name[i] = name0[i0];
|
name[i] = name0[i0];
|
i += 1; i0 += 1;
|
i += 1; i0 += 1;
|
break;
|
break;
|
case ' ': case '\t':
|
case ' ': case '\t':
|
i0 += 1;
|
i0 += 1;
|
break;
|
break;
|
case '\'':
|
case '\'':
|
do
|
do
|
{
|
{
|
name[i] = name0[i0];
|
name[i] = name0[i0];
|
i += 1; i0 += 1;
|
i += 1; i0 += 1;
|
}
|
}
|
while (i0 < len && name0[i0] != '\'');
|
while (i0 < len && name0[i0] != '\'');
|
i0 += 1;
|
i0 += 1;
|
break;
|
break;
|
case '<':
|
case '<':
|
i0 += 1;
|
i0 += 1;
|
while (i0 < len && name0[i0] != '>')
|
while (i0 < len && name0[i0] != '>')
|
{
|
{
|
name[i] = name0[i0];
|
name[i] = name0[i0];
|
i += 1; i0 += 1;
|
i += 1; i0 += 1;
|
}
|
}
|
i0 += 1;
|
i0 += 1;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
name[i] = '\000';
|
name[i] = '\000';
|
|
|
result.ptr = name;
|
result.ptr = name;
|
result.length = i;
|
result.length = i;
|
return result;
|
return result;
|
}
|
}
|
|
|
/* Return TEXT[0..LEN-1], a string literal without surrounding quotes,
|
/* Return TEXT[0..LEN-1], a string literal without surrounding quotes,
|
with special hex character notations replaced with characters.
|
with special hex character notations replaced with characters.
|
Result valid until the next call to ada_parse. */
|
Result valid until the next call to ada_parse. */
|
|
|
static struct stoken
|
static struct stoken
|
processString (const char *text, int len)
|
processString (const char *text, int len)
|
{
|
{
|
const char *p;
|
const char *p;
|
char *q;
|
char *q;
|
const char *lim = text + len;
|
const char *lim = text + len;
|
struct stoken result;
|
struct stoken result;
|
|
|
q = result.ptr = obstack_alloc (&temp_parse_space, len);
|
q = result.ptr = obstack_alloc (&temp_parse_space, len);
|
p = text;
|
p = text;
|
while (p < lim)
|
while (p < lim)
|
{
|
{
|
if (p[0] == '[' && p[1] == '"' && p+2 < lim)
|
if (p[0] == '[' && p[1] == '"' && p+2 < lim)
|
{
|
{
|
if (p[2] == '"') /* "...["""]... */
|
if (p[2] == '"') /* "...["""]... */
|
{
|
{
|
*q = '"';
|
*q = '"';
|
p += 4;
|
p += 4;
|
}
|
}
|
else
|
else
|
{
|
{
|
int chr;
|
int chr;
|
sscanf (p+2, "%2x", &chr);
|
sscanf (p+2, "%2x", &chr);
|
*q = (char) chr;
|
*q = (char) chr;
|
p += 5;
|
p += 5;
|
}
|
}
|
}
|
}
|
else
|
else
|
*q = *p;
|
*q = *p;
|
q += 1;
|
q += 1;
|
p += 1;
|
p += 1;
|
}
|
}
|
result.length = q - result.ptr;
|
result.length = q - result.ptr;
|
return result;
|
return result;
|
}
|
}
|
|
|
/* Returns the position within STR of the '.' in a
|
/* Returns the position within STR of the '.' in a
|
'.{WHITE}*all' component of a dotted name, or -1 if there is none.
|
'.{WHITE}*all' component of a dotted name, or -1 if there is none.
|
Note: we actually don't need this routine, since 'all' can never be an
|
Note: we actually don't need this routine, since 'all' can never be an
|
Ada identifier. Thus, looking up foo.all or foo.all.x as a name
|
Ada identifier. Thus, looking up foo.all or foo.all.x as a name
|
must fail, and will eventually be interpreted as (foo).all or
|
must fail, and will eventually be interpreted as (foo).all or
|
(foo).all.x. However, this does avoid an extraneous lookup. */
|
(foo).all.x. However, this does avoid an extraneous lookup. */
|
|
|
static int
|
static int
|
find_dot_all (const char *str)
|
find_dot_all (const char *str)
|
{
|
{
|
int i;
|
int i;
|
for (i = 0; str[i] != '\000'; i += 1)
|
for (i = 0; str[i] != '\000'; i += 1)
|
{
|
{
|
if (str[i] == '.')
|
if (str[i] == '.')
|
{
|
{
|
int i0 = i;
|
int i0 = i;
|
do
|
do
|
i += 1;
|
i += 1;
|
while (isspace (str[i]));
|
while (isspace (str[i]));
|
if (strncmp (str+i, "all", 3) == 0
|
if (strncmp (str+i, "all", 3) == 0
|
&& ! isalnum (str[i+3]) && str[i+3] != '_')
|
&& ! isalnum (str[i+3]) && str[i+3] != '_')
|
return i0;
|
return i0;
|
}
|
}
|
}
|
}
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* Returns non-zero iff string SUBSEQ matches a subsequence of STR, ignoring
|
/* Returns non-zero iff string SUBSEQ matches a subsequence of STR, ignoring
|
case. */
|
case. */
|
|
|
static int
|
static int
|
subseqMatch (const char *subseq, const char *str)
|
subseqMatch (const char *subseq, const char *str)
|
{
|
{
|
if (subseq[0] == '\0')
|
if (subseq[0] == '\0')
|
return 1;
|
return 1;
|
else if (str[0] == '\0')
|
else if (str[0] == '\0')
|
return 0;
|
return 0;
|
else if (tolower (subseq[0]) == tolower (str[0]))
|
else if (tolower (subseq[0]) == tolower (str[0]))
|
return subseqMatch (subseq+1, str+1) || subseqMatch (subseq, str+1);
|
return subseqMatch (subseq+1, str+1) || subseqMatch (subseq, str+1);
|
else
|
else
|
return subseqMatch (subseq, str+1);
|
return subseqMatch (subseq, str+1);
|
}
|
}
|
|
|
|
|
static struct { const char *name; int code; }
|
static struct { const char *name; int code; }
|
attributes[] = {
|
attributes[] = {
|
{ "address", TICK_ADDRESS },
|
{ "address", TICK_ADDRESS },
|
{ "unchecked_access", TICK_ACCESS },
|
{ "unchecked_access", TICK_ACCESS },
|
{ "unrestricted_access", TICK_ACCESS },
|
{ "unrestricted_access", TICK_ACCESS },
|
{ "access", TICK_ACCESS },
|
{ "access", TICK_ACCESS },
|
{ "first", TICK_FIRST },
|
{ "first", TICK_FIRST },
|
{ "last", TICK_LAST },
|
{ "last", TICK_LAST },
|
{ "length", TICK_LENGTH },
|
{ "length", TICK_LENGTH },
|
{ "max", TICK_MAX },
|
{ "max", TICK_MAX },
|
{ "min", TICK_MIN },
|
{ "min", TICK_MIN },
|
{ "modulus", TICK_MODULUS },
|
{ "modulus", TICK_MODULUS },
|
{ "pos", TICK_POS },
|
{ "pos", TICK_POS },
|
{ "range", TICK_RANGE },
|
{ "range", TICK_RANGE },
|
{ "size", TICK_SIZE },
|
{ "size", TICK_SIZE },
|
{ "tag", TICK_TAG },
|
{ "tag", TICK_TAG },
|
{ "val", TICK_VAL },
|
{ "val", TICK_VAL },
|
{ NULL, -1 }
|
{ NULL, -1 }
|
};
|
};
|
|
|
/* Return the syntactic code corresponding to the attribute name or
|
/* Return the syntactic code corresponding to the attribute name or
|
abbreviation STR. */
|
abbreviation STR. */
|
|
|
static int
|
static int
|
processAttribute (const char *str)
|
processAttribute (const char *str)
|
{
|
{
|
int i, k;
|
int i, k;
|
|
|
for (i = 0; attributes[i].code != -1; i += 1)
|
for (i = 0; attributes[i].code != -1; i += 1)
|
if (strcasecmp (str, attributes[i].name) == 0)
|
if (strcasecmp (str, attributes[i].name) == 0)
|
return attributes[i].code;
|
return attributes[i].code;
|
|
|
for (i = 0, k = -1; attributes[i].code != -1; i += 1)
|
for (i = 0, k = -1; attributes[i].code != -1; i += 1)
|
if (subseqMatch (str, attributes[i].name))
|
if (subseqMatch (str, attributes[i].name))
|
{
|
{
|
if (k == -1)
|
if (k == -1)
|
k = i;
|
k = i;
|
else
|
else
|
error (_("ambiguous attribute name: `%s'"), str);
|
error (_("ambiguous attribute name: `%s'"), str);
|
}
|
}
|
if (k == -1)
|
if (k == -1)
|
error (_("unrecognized attribute: `%s'"), str);
|
error (_("unrecognized attribute: `%s'"), str);
|
|
|
return attributes[k].code;
|
return attributes[k].code;
|
}
|
}
|
|
|
int
|
int
|
yywrap(void)
|
yywrap(void)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Dummy definition to suppress warnings about unused static definitions. */
|
/* Dummy definition to suppress warnings about unused static definitions. */
|
typedef void (*dummy_function) ();
|
typedef void (*dummy_function) ();
|
dummy_function ada_flex_use[] =
|
dummy_function ada_flex_use[] =
|
{
|
{
|
(dummy_function) yyunput
|
(dummy_function) yyunput
|
};
|
};
|
|
|
