xref: /illumos-gate/usr/src/tools/smatch/src/compile.c (revision 1f5207b7)
1 /*
2  * Example trivial client program that uses the sparse library
3  * and x86 backend.
4  *
5  * Copyright (C) 2003 Transmeta Corp.
6  *               2003 Linus Torvalds
7  * Copyright 2003 Jeff Garzik
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining a copy
10  * of this software and associated documentation files (the "Software"), to deal
11  * in the Software without restriction, including without limitation the rights
12  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13  * copies of the Software, and to permit persons to whom the Software is
14  * furnished to do so, subject to the following conditions:
15  *
16  * The above copyright notice and this permission notice shall be included in
17  * all copies or substantial portions of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25  * THE SOFTWARE.
26  *
27  */
28 #include <stdarg.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <ctype.h>
33 #include <unistd.h>
34 #include <fcntl.h>
35 
36 #include "lib.h"
37 #include "allocate.h"
38 #include "token.h"
39 #include "parse.h"
40 #include "symbol.h"
41 #include "expression.h"
42 #include "compile.h"
43 
44 static void clean_up_symbols(struct symbol_list *list)
45 {
46 	struct symbol *sym;
47 
48 	FOR_EACH_PTR(list, sym) {
49 		expand_symbol(sym);
50 		emit_one_symbol(sym);
51 	} END_FOR_EACH_PTR(sym);
52 }
53 
54 int main(int argc, char **argv)
55 {
56 	char *file;
57 	struct string_list *filelist = NULL;
58 
59 	bits_in_bool = 8;
60 
61 	clean_up_symbols(sparse_initialize(argc, argv, &filelist));
62 	FOR_EACH_PTR_NOTAG(filelist, file) {
63 		struct symbol_list *list;
64 		const char *basename = strrchr(file, '/');
65 		basename = basename ?  basename+1 : file;
66 
67 		list = sparse(file);
68 
69 		// Do type evaluation and simplification
70 		emit_unit_begin(basename);
71 		clean_up_symbols(list);
72 		emit_unit_end();
73 	} END_FOR_EACH_PTR_NOTAG(file);
74 
75 #if 0
76 	// And show the allocation statistics
77 	show_ident_alloc();
78 	show_token_alloc();
79 	show_symbol_alloc();
80 	show_expression_alloc();
81 	show_statement_alloc();
82 	show_string_alloc();
83 	show_bytes_alloc();
84 #endif
85 	return 0;
86 }
87