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/*
* Example trivial client program that uses the sparse library
* and x86 backend.
*
* Copyright (C) 2003 Transmeta Corp.
* 2003 Linus Torvalds
* Copyright 2003 Jeff Garzik
*
* Licensed under the Open Software License version 1.1
*
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <fcntl.h>
#include "lib.h"
#include "token.h"
#include "parse.h"
#include "symbol.h"
#include "expression.h"
#include "compile.h"
static void clean_up_symbol(struct symbol *sym, void *_parent, int flags)
{
evaluate_symbol(sym);
expand_symbol(sym);
emit_one_symbol(sym);
}
int main(int argc, char **argv)
{
int fd;
char *basename, *filename = NULL, **args;
struct token *token;
// Initialize symbol stream first, so that we can add defines etc
init_symbols();
create_builtin_stream();
args = argv;
for (;;) {
char *arg = *++args;
if (!arg)
break;
if (arg[0] == '-') {
args = handle_switch(arg + 1, args);
continue;
}
filename = arg;
}
// Initialize type system
init_ctype();
if (filename == NULL)
die("No file specified");
basename = strrchr(filename, '/');
if (!basename)
basename = filename;
else if ((basename == filename) && (basename[1] == 0)) {
fprintf(stderr, "um\n");
exit(1);
} else {
basename++;
if (*basename == 0) {
fprintf(stderr, "um\n");
exit(1);
}
}
fd = open(filename, O_RDONLY);
if (fd < 0)
die("No such file: %s", filename);
// Tokenize the input stream
token = tokenize(filename, fd, NULL, includepath);
close(fd);
// Prepend the initial built-in stream
token = tokenize_buffer(pre_buffer, pre_buffer_size, token);
// Pre-process the stream
token = preprocess(token);
// Parse the resulting C code
translation_unit(token, &used_list);
// Do type evaluation and simplification
emit_unit_begin(basename);
symbol_iterate(used_list, clean_up_symbol, NULL);
emit_unit_end();
#if 0
// And show the allocation statistics
show_ident_alloc();
show_token_alloc();
show_symbol_alloc();
show_expression_alloc();
show_statement_alloc();
show_string_alloc();
show_bytes_alloc();
#endif
return 0;
}
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