X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/54bd0db43634c649d13e175384e6e816c44a34d4..4562bb77645125f427751de0320774e5f0d92fba:/src/main.c diff --git a/src/main.c b/src/main.c index dc53fd81..4482286f 100644 --- a/src/main.c +++ b/src/main.c @@ -1,5 +1,5 @@ /* Top level entry point of bison, - Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc. + Copyright (C) 1984, 1986, 1989, 1992, 1995 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -20,7 +20,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include "system.h" -#include "machine.h" /* JF for MAXSHORT */ +#include "machine.h" /* for MAXSHORT */ extern int lineno; extern int verboseflag; @@ -28,7 +28,7 @@ extern int verboseflag; /* Nonzero means failure has been detected; don't write a parser file. */ int failure; -/* The name this program was run with, for messages. */ +/* The name this program was run with, for messages. */ char *program_name; extern void getargs(), openfiles(), reader(), reduce_grammar(); @@ -38,12 +38,17 @@ extern void output(), done(); /* VMS complained about using `int'. */ + int main(argc, argv) -int argc; -char *argv[]; + int argc; + char *argv[]; { program_name = argv[0]; + setlocale (LC_ALL, ""); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + failure = 0; lineno = 0; getargs(argc, argv); @@ -53,6 +58,8 @@ char *argv[]; In file reader.c. The other parts are recorded in the grammar; see gram.h. */ reader(); + if (failure) + done(failure); /* find useless nonterminals and productions and reduce the grammar. In file reduce.c */ @@ -71,8 +78,7 @@ char *argv[]; /* Find and record any conflicts: places where one token of lookahead is not enough to disambiguate the parsing. In file conflicts. - Currently this does not do anything to resolve them; - the trivial form of conflict resolution that exists is done in output. */ + Also resolve s/r conflicts based on precedence declarations. */ initialize_conflicts(); /* print information about results, if requested. In file print. */ @@ -84,57 +90,154 @@ char *argv[]; /* output the tables and the parser to ftable. In file output. */ output(); done(failure); + return failure; } - + /* functions to report errors which prevent a parser from being generated */ + +/* Return a string containing a printable version of C: + either C itself, or the corresponding \DDD code. */ + +char * +printable_version(c) + int c; +{ + static char buf[10]; + if (c < ' ' || c >= '\177') + sprintf(buf, "\\%o", c); + else + { + buf[0] = c; + buf[1] = '\0'; + } + return buf; +} + +/* Generate a string from the integer I. + Return a ptr to internal memory containing the string. */ + +char * +int_to_string(i) + int i; +{ + static char buf[20]; + sprintf(buf, "%d", i); + return buf; +} + +/* Print the message S for a fatal error. */ + void fatal(s) -char *s; + char *s; { extern char *infile; if (infile == 0) - fprintf(stderr, "fatal error: %s\n", s); + fprintf(stderr, _("%s: fatal error: %s\n"), program_name, s); else - fprintf(stderr, "\"%s\", line %d: %s\n", infile, lineno, s); + fprintf(stderr, _("%s:%d: fatal error: %s\n"), infile, lineno, s); done(1); } -/* JF changed to accept/deal with variable args. - DO NOT change this to use varargs. It will appear to work - but will break on systems that don't have the necessary library - functions. This is the ONLY safe way to write such a function. */ -/*VARARGS1*/ +/* Print a message for a fatal error. Use FMT to construct the message + and incorporate string X1. */ void -fatals(fmt,x1,x2,x3,x4,x5,x6,x7,x8) -char *fmt; +fatals(fmt, x1) + char *fmt, *x1; { char buffer[200]; - - sprintf(buffer, fmt, x1,x2,x3,x4,x5,x6,x7,x8); + sprintf(buffer, fmt, x1); fatal(buffer); } +/* Print a warning message S. */ void -toomany(s) -char *s; +warn(s) + char *s; +{ + extern char *infile; + + if (infile == 0) + fprintf(stderr, _("%s: %s\n"), program_name, s); + else + fprintf(stderr, _("%s:%d: %s\n"), + infile, lineno, s); + + failure = 1; +} + +/* Print a warning message containing the string for the integer X1. + The message is given by the format FMT. */ + +void +warni(fmt, x1) + char *fmt; + int x1; { char buffer[200]; + sprintf(buffer, fmt, x1); + warn(buffer); +} - /* JF new msg */ - sprintf(buffer, "limit of %d exceeded, too many %s", MAXSHORT, s); +/* Print a warning message containing the string X1. + The message is given by the format FMT. */ + +void +warns(fmt, x1) + char *fmt, *x1; +{ + char buffer[200]; + sprintf(buffer, fmt, x1); + warn(buffer); +} + +/* Print a warning message containing the two strings X1 and X2. + The message is given by the format FMT. */ + +void +warnss(fmt, x1, x2) + char *fmt, *x1, *x2; +{ + char buffer[200]; + sprintf(buffer, fmt, x1, x2); + warn(buffer); +} + +/* Print a warning message containing the 3 strings X1, X2, X3. + The message is given by the format FMT. */ + +void +warnsss(fmt, x1, x2, x3) + char *fmt, *x1, *x2, *x3; +{ + char buffer[200]; + sprintf(buffer, fmt, x1, x2, x3); + warn(buffer); +} + +/* Print a message for the fatal occurence of more than MAXSHORT + instances of whatever is denoted by the string S. */ + +void +toomany(s) + char *s; +{ + char buffer[200]; + sprintf(buffer, _("too many %s (max %d)"), s, MAXSHORT); fatal(buffer); } +/* Abort for an internal error denoted by string S. */ void berror(s) -char *s; + char *s; { - fprintf(stderr, "internal error, %s\n", s); + fprintf(stderr, _("%s: internal error: %s\n"), program_name, s); abort(); }