| 1 | /* Program to extract function declarations from C/C++ source code |
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| 2 | * |
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| 3 | * Written by Eric R. Smith and placed in the public domain |
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| 4 | * |
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| 5 | * Thanks to: |
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| 6 | * |
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| 7 | * Jwahar R. Bammi, for catching several bugs and providing the Unix makefiles |
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| 8 | * Byron T. Jenings Jr. for cleaning up the space code, providing a Unix |
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| 9 | * manual page, and some ANSI and C++ improvements. |
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| 10 | * Skip Gilbrech for code to skip parameter names in prototypes. |
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| 11 | * ... and many others for helpful comments and suggestions. |
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| 12 | * |
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| 13 | * Many extension were made for use in ARB build process |
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| 14 | * by Ralf Westram <ralf@arb-home.de> |
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| 15 | */ |
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| 16 | |
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| 17 | #include <cstddef> |
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| 18 | #include <cstdlib> |
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| 19 | #include <cassert> |
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| 20 | #include <unistd.h> |
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| 21 | #include <cstdio> |
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| 22 | #include <cctype> |
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| 23 | #include <cstring> |
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| 24 | #include <cstdarg> |
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| 25 | |
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| 26 | #define SIMPLE_ARB_ASSERT |
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| 27 | #include <attributes.h> |
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| 28 | #include <arb_assert.h> |
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| 29 | #include <arbtools.h> |
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| 30 | |
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| 31 | #define mp_assert(cond) arb_assert(cond) |
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| 32 | |
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| 33 | static void Version(); |
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| 34 | |
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| 35 | |
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| 36 | #define check_heap_sanity() do { char *x = malloc(10); free(x); } while (0) |
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| 37 | |
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| 38 | #if defined(DEBUG) |
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| 39 | // #define DEBUG_PRINTS |
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| 40 | #endif // DEBUG |
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| 41 | |
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| 42 | #ifdef DEBUG_PRINTS |
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| 43 | #define DEBUG_PRINT(s) fputs((s), stderr) |
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| 44 | #define DEBUG_PRINT_STRING(name, str) fprintf(stderr, "%s'%s'\n", name, str) |
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| 45 | #else |
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| 46 | #define DEBUG_PRINT(s) |
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| 47 | #define DEBUG_PRINT_STRING(name, str) |
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| 48 | #endif |
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| 49 | |
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| 50 | #define PRINT(s) fputs((s), stdout) |
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| 51 | |
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| 52 | #define ISCSYM(x) ((x) > 0 && (isalnum(x) || (x) == '_')) |
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| 53 | #define ABORTED ((Word *) -1) |
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| 54 | #define MAXPARAM 20 // max. number of parameters to a function |
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| 55 | #define NEWBUFSIZ (20480*sizeof(char)) // new buffer size |
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| 56 | |
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| 57 | |
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| 58 | static int dostatic = 0; // include static functions? |
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| 59 | static int doinline = 0; // include inline functions? |
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| 60 | static int donum = 0; // print line numbers? |
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| 61 | static int define_macro = 1; // define macro for prototypes? |
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| 62 | static int use_macro = 1; // use a macro for prototypes? |
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| 63 | static int use_main = 0; // add prototype for main? |
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| 64 | static int no_parm_names = 0; // no parm names - only types |
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| 65 | static int print_extern = 0; // use "extern" before function declarations |
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| 66 | static int dont_promote = 0; // don't promote prototypes |
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| 67 | static int promote_lines = 0; // promote 'AISC_MKPT_PROMOTE'-lines |
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| 68 | static int aisc = 0; // aisc compatible output |
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| 69 | static int cansibycplus = 0; // produce extern "C" |
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| 70 | static int promote_extern_c = 0; // produce extern "C" into prototype |
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| 71 | static int extern_c_seen = 0; // true if extern "C" was parsed |
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| 72 | static int search__attribute__ = 0; // search for gnu-extension __attribute__(()) ? |
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| 73 | static int search__ATTR__ = 0; // search for ARB-__attribute__-macros (__ATTR__) ? |
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| 74 | |
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| 75 | static const char *include_wrapper = NULL; // add include wrapper (contains name of header or NULL) |
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| 76 | |
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| 77 | static int inquote = 0; // in a quote?? |
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| 78 | static int newline_seen = 1; // are we at the start of a line |
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| 79 | static int glastc = ' '; // last char. seen by getsym() |
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| 80 | |
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| 81 | static char *current_file = 0; // name of current file |
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| 82 | static char *current_dir = 0; // name of current directory |
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| 83 | static const char *header_comment = 0; // comment written into header |
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| 84 | static long linenum = 1L; // line number in current file |
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| 85 | |
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| 86 | static char const *macro_name = "P_"; // macro to use for prototypes |
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| 87 | static char const *ourname; // our name, from argv[] array |
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| 88 | |
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| 89 | // ------------------------------------------------------------ |
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| 90 | |
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| 91 | static void errorAt(long line, const char *msg) { |
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| 92 | printf("\n" |
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| 93 | "#line %li \"%s/%s\"\n" |
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| 94 | "#error in aisc_mkpt: %s\n", |
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| 95 | line, |
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| 96 | current_dir, |
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| 97 | current_file, |
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| 98 | msg); |
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| 99 | } |
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| 100 | |
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| 101 | static void error(const char *msg) { |
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| 102 | errorAt(linenum, msg); |
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| 103 | } |
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| 104 | |
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| 105 | static void errorf(const char *format, ...) __attribute__((format(__printf__, 1, 2))); |
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| 106 | static void errorf(const char *format, ...) { |
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| 107 | const int BUFFERSIZE = 1000; |
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| 108 | char buffer[BUFFERSIZE]; |
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| 109 | va_list args; |
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| 110 | |
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| 111 | va_start(args, format); |
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| 112 | int printed = vsprintf(buffer, format, args); |
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| 113 | if (printed >= BUFFERSIZE) { |
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| 114 | fputs("buffer overflow\n", stderr); |
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| 115 | exit(EXIT_FAILURE); |
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| 116 | } |
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| 117 | va_end(args); |
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| 118 | |
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| 119 | error(buffer); |
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| 120 | } |
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| 121 | |
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| 122 | // ------------------------------------------------------------ |
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| 123 | |
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| 124 | struct SymPart { |
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| 125 | char *part; |
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| 126 | int len; // len of part |
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| 127 | bool atStart; // part has to match at start of name |
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| 128 | |
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| 129 | SymPart *next; |
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| 130 | }; |
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| 131 | |
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| 132 | static void addSymParts(SymPart*& symParts, const char *parts) { |
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| 133 | char *p = strdup(parts); |
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| 134 | const char *sep = ","; |
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| 135 | char *s = strtok(p, sep); |
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| 136 | |
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| 137 | while (s) { |
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| 138 | SymPart *sp = (SymPart*)malloc(sizeof(*sp)); |
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| 139 | |
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| 140 | sp->atStart = s[0] == '^'; |
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| 141 | sp->part = strdup(sp->atStart ? s+1 : s); |
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| 142 | sp->len = strlen(sp->part); |
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| 143 | sp->next = symParts; |
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| 144 | |
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| 145 | symParts = sp; |
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| 146 | |
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| 147 | s = strtok(0, sep); |
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| 148 | } |
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| 149 | |
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| 150 | free(p); |
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| 151 | } |
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| 152 | |
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| 153 | static bool matchesSymPart(SymPart*& symParts, const char *name) { |
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| 154 | SymPart *sp = symParts; |
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| 155 | bool matches = false; |
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| 156 | |
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| 157 | while (sp && !matches) { |
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| 158 | if (sp->atStart) { |
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| 159 | matches = strncmp(name, sp->part, sp->len) == 0; |
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| 160 | } |
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| 161 | else { |
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| 162 | matches = strstr(name, sp->part) != NULL; |
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| 163 | } |
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| 164 | sp = sp->next; |
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| 165 | } |
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| 166 | |
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| 167 | return matches; |
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| 168 | } |
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| 169 | |
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| 170 | static void freeSymParts(SymPart*& symParts) { |
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| 171 | SymPart *next = symParts; |
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| 172 | |
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| 173 | while (next) { |
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| 174 | SymPart *del = next; |
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| 175 | next = del->next; |
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| 176 | |
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| 177 | free(del->part); |
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| 178 | free(del); |
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| 179 | } |
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| 180 | |
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| 181 | symParts = NULL; |
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| 182 | } |
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| 183 | |
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| 184 | // ---------------------------------------- |
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| 185 | |
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| 186 | static SymPart *requiredSymParts = 0; // only create prototypes if function-name matches one of these parts |
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| 187 | static SymPart *excludedSymParts = 0; // DONT create prototypes if function-name matches one of these parts |
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| 188 | |
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| 189 | inline void addRequiredSymParts(const char *parts) { addSymParts(requiredSymParts, parts); } |
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| 190 | inline void addExcludedSymParts(const char *parts) { addSymParts(excludedSymParts, parts); } |
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| 191 | |
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| 192 | inline void freeRequiredSymParts() { freeSymParts(requiredSymParts); } |
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| 193 | inline void freeExcludedSymParts() { freeSymParts(excludedSymParts); } |
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| 194 | |
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| 195 | inline bool hasRequiredSymPart(const char *name) { return !requiredSymParts || matchesSymPart(requiredSymParts, name); } |
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| 196 | inline bool hasExcludedSymPart(const char *name) { return excludedSymParts && matchesSymPart(excludedSymParts, name); } |
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| 197 | |
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| 198 | inline bool wantPrototypeFor(const char *name) { |
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| 199 | return hasRequiredSymPart(name) && !hasExcludedSymPart(name); |
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| 200 | } |
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| 201 | |
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| 202 | // ---------------------------------------- |
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| 203 | |
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| 204 | struct Word { |
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| 205 | Word *next; |
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| 206 | char string[1]; |
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| 207 | }; |
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| 208 | |
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| 209 | // Routines for manipulating lists of words. |
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| 210 | |
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| 211 | static Word *word_alloc(const char *s) |
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| 212 | { |
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| 213 | Word *w; |
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| 214 | |
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| 215 | /* note that sizeof(Word) already contains space for a terminating null |
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| 216 | * however, we add 1 so that typefixhack can promote "float" to "double" |
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| 217 | * by just doing a strcpy. |
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| 218 | */ |
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| 219 | w = (Word *) malloc(sizeof(Word) + strlen(s) + 1); |
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| 220 | strcpy(w->string, s); |
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| 221 | w->next = NULL; |
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| 222 | return w; |
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| 223 | } |
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| 224 | |
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| 225 | static void word_free(Word *w) |
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| 226 | { |
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| 227 | Word *oldw; |
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| 228 | while (w) { |
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| 229 | oldw = w; |
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| 230 | w = w->next; |
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| 231 | free(oldw); |
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| 232 | } |
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| 233 | } |
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| 234 | |
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| 235 | static int List_len(Word *w) { |
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| 236 | // return the length of a list |
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| 237 | // empty words are not counted |
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| 238 | int count = 0; |
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| 239 | |
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| 240 | while (w) { |
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| 241 | if (*w->string) count++; |
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| 242 | w = w->next; |
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| 243 | } |
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| 244 | return count; |
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| 245 | } |
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| 246 | |
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| 247 | static Word *word_append(Word *w1, Word *w2) { |
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| 248 | // Append two lists, and return the result |
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| 249 | |
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| 250 | Word *r, *w; |
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| 251 | |
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| 252 | r = w = word_alloc(""); |
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| 253 | |
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| 254 | while (w1) { |
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| 255 | w->next = word_alloc(w1->string); |
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| 256 | w = w->next; |
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| 257 | w1 = w1->next; |
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| 258 | } |
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| 259 | while (w2) { |
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| 260 | w->next = word_alloc(w2->string); |
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| 261 | w = w->next; |
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| 262 | w2 = w2->next; |
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| 263 | } |
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| 264 | |
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| 265 | return r; |
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| 266 | } |
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| 267 | |
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| 268 | static int foundin(Word *w1, Word *w2) { |
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| 269 | // see if the last entry in w2 is in w1 |
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| 270 | |
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| 271 | while (w2->next) |
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| 272 | w2 = w2->next; |
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| 273 | |
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| 274 | while (w1) { |
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| 275 | if (strcmp(w1->string, w2->string)==0) |
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| 276 | return 1; |
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| 277 | w1 = w1->next; |
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| 278 | } |
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| 279 | return 0; |
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| 280 | } |
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| 281 | |
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| 282 | static void addword(Word *w, const char *s) { |
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| 283 | // add the string s to the given list of words |
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| 284 | |
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| 285 | while (w->next) w = w->next; |
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| 286 | w->next = word_alloc(s); |
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| 287 | |
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| 288 | DEBUG_PRINT("addword: '"); |
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| 289 | DEBUG_PRINT(s); |
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| 290 | DEBUG_PRINT("'\n"); |
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| 291 | } |
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| 292 | |
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| 293 | static void typefixhack(Word *w) { |
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| 294 | // typefixhack: promote formal parameters of type "char", "unsigned char", |
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| 295 | // "short", or "unsigned short" to "int". |
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| 296 | |
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| 297 | Word *oldw = 0; |
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| 298 | |
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| 299 | if (dont_promote) |
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| 300 | return; |
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| 301 | |
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| 302 | while (w) { |
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| 303 | if (*w->string) { |
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| 304 | if ((strcmp(w->string, "char")==0 || strcmp(w->string, "short")==0) && (List_len(w->next) < 2)) { |
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| 305 | // delete any "unsigned" specifier present -- yes, it's supposed to do this |
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| 306 | if (oldw && strcmp(oldw->string, "unsigned")==0) { |
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| 307 | oldw->next = w->next; |
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| 308 | free(w); |
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| 309 | w = oldw; |
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| 310 | } |
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| 311 | strcpy(w->string, "int"); |
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| 312 | } |
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| 313 | else if (strcmp(w->string, "float")==0 && List_len(w->next) < 2) { |
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| 314 | strcpy(w->string, "double"); |
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| 315 | } |
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| 316 | } |
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| 317 | w = w->next; |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | static int ngetc(FILE *f) { |
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| 322 | // read a character: if it's a newline, increment the line count |
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| 323 | |
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| 324 | int c; |
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| 325 | |
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| 326 | c = getc(f); |
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| 327 | if (c == '\n') linenum++; |
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| 328 | |
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| 329 | return c; |
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| 330 | } |
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| 331 | |
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| 332 | #define MAX_COMMENT_SIZE 10000 |
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| 333 | |
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| 334 | static char last_comment[MAX_COMMENT_SIZE]; |
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| 335 | static int lc_size = 0; |
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| 336 | static char *found__attribute__ = 0; |
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| 337 | static char *found__ATTR__ = 0; |
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| 338 | |
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| 339 | static void clear_found_attribute() { |
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| 340 | free(found__attribute__); found__attribute__ = 0; |
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| 341 | free(found__ATTR__); found__ATTR__ = 0; |
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| 342 | } |
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| 343 | |
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| 344 | static const char *nextNonSpace(const char* ptr) { |
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| 345 | while (isspace(*ptr)) ++ptr; |
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| 346 | return ptr; |
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| 347 | } |
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| 348 | static const char *nextNonWord(const char* ptr) { |
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| 349 | while (isalnum(*ptr) || *ptr == '_') ++ptr; |
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| 350 | return ptr; |
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| 351 | } |
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| 352 | |
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| 353 | inline const char *matchingParen(const char *from) { |
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| 354 | int open = 1; |
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| 355 | int i; |
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| 356 | for (i = 1; from[i] && open>0; ++i) { |
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| 357 | switch (from[i]) { |
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| 358 | case '(': open++; break; |
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| 359 | case ')': open--; break; |
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| 360 | } |
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| 361 | } |
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| 362 | if (open) return NULL; // no matching closing paren |
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| 363 | return from+i-1; |
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| 364 | } |
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| 365 | |
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| 366 | // ----------------- |
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| 367 | // LinePart |
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| 368 | |
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| 369 | class LinePart { |
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| 370 | const char *line; |
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| 371 | size_t linelen; // of line |
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| 372 | |
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| 373 | size_t pos; |
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| 374 | size_t size; |
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| 375 | |
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| 376 | bool part_is_legal() { return (pos <= linelen) && ((pos+size) <= linelen); } |
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| 377 | |
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| 378 | void set(size_t newPos, size_t newSize) { |
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| 379 | pos = newPos; |
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| 380 | size = newSize; |
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| 381 | mp_assert(part_is_legal()); |
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| 382 | } |
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| 383 | |
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| 384 | public: |
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| 385 | |
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| 386 | LinePart(const char *wholeLine, size_t len = -1U) |
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| 387 | : line(wholeLine), |
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| 388 | linelen(len != -1U ? len : strlen(line)) |
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| 389 | { |
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| 390 | mp_assert(line[linelen] == 0); |
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| 391 | undefine(); |
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| 392 | } |
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| 393 | |
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| 394 | size_t get_size() const { return size; } |
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| 395 | bool is_empty() const { return !size; } |
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| 396 | |
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| 397 | const char *whole_line() const { return line; } |
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| 398 | |
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| 399 | void define(const char *start, const char *end) { set(start-line, end-start+1); } |
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| 400 | void undefine() { set(0, 0); } |
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| 401 | |
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| 402 | void copyTo(char *buffer) const { |
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| 403 | mp_assert(!is_empty()); |
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| 404 | memcpy(buffer, line+pos, size); |
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| 405 | buffer[size] = 0; |
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| 406 | } |
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| 407 | |
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| 408 | LinePart behind() const { |
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| 409 | mp_assert(!is_empty()); |
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| 410 | size_t behind_offset = pos+size; |
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| 411 | mp_assert(linelen >= behind_offset); |
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| 412 | return LinePart(line+behind_offset, linelen-behind_offset); |
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| 413 | } |
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| 414 | |
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| 415 | void error(const char *format) { |
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| 416 | // 'format' has to contain one '%s' |
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| 417 | mp_assert(!is_empty()); |
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| 418 | char part[get_size()+1]; |
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| 419 | copyTo(part); |
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| 420 | errorf(format, part); |
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| 421 | undefine(); |
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| 422 | } |
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| 423 | }; |
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| 424 | |
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| 425 | |
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| 426 | // ------------------ |
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| 427 | // PartQueue |
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| 428 | |
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| 429 | class PartQueue : virtual Noncopyable { |
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| 430 | LinePart first; |
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| 431 | PartQueue *next; |
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| 432 | size_t size; |
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| 433 | |
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| 434 | bool is_empty() const { return !size; } |
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| 435 | size_t get_size() const { return size; } |
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| 436 | |
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| 437 | void copyPartsTo(char *buffer) const { |
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| 438 | mp_assert(!first.is_empty()); |
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| 439 | first.copyTo(buffer); |
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| 440 | buffer += first.get_size(); |
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| 441 | if (next) { |
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| 442 | *buffer++ = ' '; |
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| 443 | next->copyPartsTo(buffer); |
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| 444 | } |
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| 445 | } |
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| 446 | |
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| 447 | public: |
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| 448 | PartQueue(LinePart first_) |
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| 449 | : first(first_), |
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| 450 | next(0), |
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| 451 | size(first.get_size()) |
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| 452 | {} |
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| 453 | ~PartQueue() { delete next; } |
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| 454 | |
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| 455 | void append(PartQueue *mp) { |
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| 456 | mp_assert(!next); |
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| 457 | next = mp; |
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| 458 | size += 1+mp->get_size(); // add pos for space |
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| 459 | } |
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| 460 | |
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| 461 | char *to_string() { |
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| 462 | char *result = (char *)malloc(get_size()+1); |
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| 463 | copyPartsTo(result); |
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| 464 | mp_assert(get_size() == strlen(result)); |
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| 465 | return result; |
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| 466 | } |
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| 467 | }; |
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| 468 | |
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| 469 | // ------------------------ |
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| 470 | // AttributeParser |
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| 471 | |
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| 472 | class AttributeParser { |
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| 473 | const char *attrName; |
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| 474 | size_t attrNameLen; |
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| 475 | bool expandName; // try to expand 'attrName' |
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| 476 | bool expectParens; // otherwise parens are optional |
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| 477 | |
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| 478 | public: |
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| 479 | AttributeParser(const char *attrName_, bool expandName_, bool expectParens_) |
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| 480 | : attrName(attrName_), |
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| 481 | attrNameLen(strlen(attrName)), |
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| 482 | expandName(expandName_), |
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| 483 | expectParens(expectParens_) |
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| 484 | {} |
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| 485 | |
|---|
| 486 | private: |
|---|
| 487 | void parse_one_attr(LinePart& part) const { |
|---|
| 488 | const char *found = strstr(part.whole_line(), attrName); |
|---|
| 489 | if (found) { |
|---|
| 490 | const char *behind = found+attrNameLen; |
|---|
| 491 | if (expandName) behind = nextNonWord(behind); |
|---|
| 492 | const char *openParen = nextNonSpace(behind); |
|---|
| 493 | |
|---|
| 494 | if (*openParen == '(') { |
|---|
| 495 | const char *closeParen = matchingParen(openParen); |
|---|
| 496 | if (closeParen) part.define(found, closeParen); |
|---|
| 497 | else { |
|---|
| 498 | part.define(found, openParen); |
|---|
| 499 | part.error("Could not find matching paren after '%s'"); |
|---|
| 500 | } |
|---|
| 501 | } |
|---|
| 502 | else { |
|---|
| 503 | part.define(found, behind-1); |
|---|
| 504 | if (expectParens) part.error("Expected to see '(' after '%s'"); |
|---|
| 505 | } |
|---|
| 506 | } |
|---|
| 507 | } |
|---|
| 508 | |
|---|
| 509 | // rest is not really part of this class - may go to abstract base class if needed |
|---|
| 510 | |
|---|
| 511 | PartQueue *parse_all(LinePart from) const { |
|---|
| 512 | parse_one_attr(from); |
|---|
| 513 | if (from.is_empty()) return NULL; |
|---|
| 514 | |
|---|
| 515 | PartQueue *head = new PartQueue(from); |
|---|
| 516 | PartQueue *rest = parse_all(from.behind()); |
|---|
| 517 | if (rest) head->append(rest); |
|---|
| 518 | |
|---|
| 519 | return head; |
|---|
| 520 | } |
|---|
| 521 | |
|---|
| 522 | public: |
|---|
| 523 | char *parse(const char *toParse, size_t toParseSize) const { |
|---|
| 524 | char *result = NULL; |
|---|
| 525 | PartQueue *found_attributes = parse_all(LinePart(toParse, toParseSize)); |
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| 526 | |
|---|
| 527 | if (found_attributes) { |
|---|
| 528 | result = found_attributes->to_string(); |
|---|
| 529 | delete found_attributes; |
|---|
| 530 | } |
|---|
| 531 | return result; |
|---|
| 532 | } |
|---|
| 533 | }; |
|---|
| 534 | |
|---|
| 535 | static void search_comment_for_attribute() { |
|---|
| 536 | if (found__attribute__ || found__ATTR__) return; // only parse once (until reset) |
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| 537 | last_comment[lc_size] = 0; // close string |
|---|
| 538 | |
|---|
| 539 | static AttributeParser attribute_parser("__attribute__", false, true); |
|---|
| 540 | static AttributeParser ATTR_parser("__ATTR__", true, false); |
|---|
| 541 | |
|---|
| 542 | char *seen_attribute = attribute_parser.parse(last_comment, lc_size); |
|---|
| 543 | char *seen_ATTR = ATTR_parser.parse(last_comment, lc_size); |
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| 544 | |
|---|
| 545 | if (search__attribute__) { |
|---|
| 546 | mp_assert(!search__ATTR__); |
|---|
| 547 | found__attribute__ = seen_attribute; |
|---|
| 548 | if (seen_ATTR) { |
|---|
| 549 | error("Expected not to see '__ATTR__..' (when looking for '__attribute__(...)')"); |
|---|
| 550 | } |
|---|
| 551 | } |
|---|
| 552 | |
|---|
| 553 | if (search__ATTR__) { |
|---|
| 554 | mp_assert(!search__attribute__); |
|---|
| 555 | found__ATTR__ = seen_ATTR; |
|---|
| 556 | if (seen_attribute) { |
|---|
| 557 | error("Expected not to see '__attribute__(...)' (when looking for '__ATTR__..')"); |
|---|
| 558 | } |
|---|
| 559 | } |
|---|
| 560 | |
|---|
| 561 | if (found__attribute__ && found__ATTR__) { |
|---|
| 562 | error("Either specify __attribute__ or __ATTR__... - not both\n"); |
|---|
| 563 | } |
|---|
| 564 | } |
|---|
| 565 | |
|---|
| 566 | struct promotion { |
|---|
| 567 | char *to_promote; // text to promote to header |
|---|
| 568 | promotion *next; |
|---|
| 569 | }; |
|---|
| 570 | |
|---|
| 571 | static promotion *promotions = 0; |
|---|
| 572 | |
|---|
| 573 | static void add_promotion(char *to_promote) { |
|---|
| 574 | promotion *new_promotion = (promotion*)malloc(sizeof(promotion)); |
|---|
| 575 | new_promotion->to_promote = to_promote; |
|---|
| 576 | new_promotion->next = 0; |
|---|
| 577 | |
|---|
| 578 | if (!promotions) { |
|---|
| 579 | promotions = new_promotion; |
|---|
| 580 | } |
|---|
| 581 | else { // append |
|---|
| 582 | promotion *last = promotions; |
|---|
| 583 | while (last->next) last = last->next; |
|---|
| 584 | |
|---|
| 585 | last->next = new_promotion; |
|---|
| 586 | } |
|---|
| 587 | } |
|---|
| 588 | |
|---|
| 589 | static void print_promotions() { |
|---|
| 590 | promotion *p = promotions; |
|---|
| 591 | |
|---|
| 592 | if (promotions) fputc('\n', stdout); |
|---|
| 593 | |
|---|
| 594 | while (p) { |
|---|
| 595 | promotion *next = p->next; |
|---|
| 596 | |
|---|
| 597 | printf("%s\n", p->to_promote); |
|---|
| 598 | free(p->to_promote); |
|---|
| 599 | free(p); |
|---|
| 600 | |
|---|
| 601 | p = next; |
|---|
| 602 | } |
|---|
| 603 | |
|---|
| 604 | if (promotions) fputc('\n', stdout); |
|---|
| 605 | promotions = 0; |
|---|
| 606 | } |
|---|
| 607 | |
|---|
| 608 | static const char *promotion_tag = "AISC_MKPT_PROMOTE:"; |
|---|
| 609 | static int promotion_tag_len = 18; |
|---|
| 610 | |
|---|
| 611 | static void search_comment_for_promotion() { |
|---|
| 612 | char *promotion_found; |
|---|
| 613 | last_comment[lc_size] = 0; // close string |
|---|
| 614 | |
|---|
| 615 | promotion_found = strstr(last_comment, promotion_tag); |
|---|
| 616 | while (promotion_found) { |
|---|
| 617 | char *behind_promo = promotion_found+promotion_tag_len; |
|---|
| 618 | char *eol, *eoc; |
|---|
| 619 | mp_assert(behind_promo[-1] == ':'); // wrong promotion_tag_len |
|---|
| 620 | |
|---|
| 621 | eol = strchr(behind_promo, '\n'); |
|---|
| 622 | eoc = strstr(behind_promo, "*/"); |
|---|
| 623 | |
|---|
| 624 | if (eoc && eol) { |
|---|
| 625 | if (eoc<eol) eol = eoc; |
|---|
| 626 | } |
|---|
| 627 | else if (!eol) { |
|---|
| 628 | eol = eoc; |
|---|
| 629 | } |
|---|
| 630 | |
|---|
| 631 | if (!eol) eol = strchr(behind_promo, 0); |
|---|
| 632 | |
|---|
| 633 | if (eol) { |
|---|
| 634 | while (eol>behind_promo && eol[-1] == ' ') --eol; // trim spaces at eol |
|---|
| 635 | } |
|---|
| 636 | |
|---|
| 637 | mp_assert(eol); |
|---|
| 638 | if (!eol) { |
|---|
| 639 | promotion_found = 0; |
|---|
| 640 | } |
|---|
| 641 | else { |
|---|
| 642 | int promo_length = eol-behind_promo; |
|---|
| 643 | char *to_promote = (char*)malloc(promo_length+1); |
|---|
| 644 | |
|---|
| 645 | memcpy(to_promote, behind_promo, promo_length); |
|---|
| 646 | to_promote[promo_length] = 0; |
|---|
| 647 | |
|---|
| 648 | DEBUG_PRINT("promotion found!\n"); |
|---|
| 649 | |
|---|
| 650 | add_promotion(to_promote); |
|---|
| 651 | promotion_found = strstr(eol, promotion_tag); |
|---|
| 652 | } |
|---|
| 653 | } |
|---|
| 654 | } |
|---|
| 655 | |
|---|
| 656 | /* read the next character from the file. If the character is '\' then |
|---|
| 657 | * read and skip the next character. Any comment sequence is converted |
|---|
| 658 | * to a blank. |
|---|
| 659 | * |
|---|
| 660 | * if a comment contains __attribute__ and search__attribute__ != 0 |
|---|
| 661 | * the attribute string is stored in found__attribute__ |
|---|
| 662 | * |
|---|
| 663 | * if a comment contains __ATTR__ and search__ATTR__ != 0 |
|---|
| 664 | * the attribute string is stored in found__ATTR__ |
|---|
| 665 | */ |
|---|
| 666 | |
|---|
| 667 | |
|---|
| 668 | static int fnextch(FILE *f) { |
|---|
| 669 | int c, lastc, incomment; |
|---|
| 670 | |
|---|
| 671 | c = ngetc(f); |
|---|
| 672 | while (c == '\\') { |
|---|
| 673 | DEBUG_PRINT("fnextch: in backslash loop\n"); |
|---|
| 674 | c = ngetc(f); // skip a character |
|---|
| 675 | c = ngetc(f); |
|---|
| 676 | } |
|---|
| 677 | if (c == '/' && !inquote) { |
|---|
| 678 | c = ngetc(f); |
|---|
| 679 | if (c == '*') { |
|---|
| 680 | long commentStartLine = linenum; |
|---|
| 681 | |
|---|
| 682 | incomment = 1; |
|---|
| 683 | c = ' '; |
|---|
| 684 | DEBUG_PRINT("fnextch: comment seen\n"); |
|---|
| 685 | lc_size = 0; |
|---|
| 686 | |
|---|
| 687 | while (incomment) { |
|---|
| 688 | lastc = c; |
|---|
| 689 | c = ngetc(f); |
|---|
| 690 | last_comment[lc_size++] = c; |
|---|
| 691 | mp_assert(lc_size<MAX_COMMENT_SIZE); |
|---|
| 692 | |
|---|
| 693 | if (lastc == '*' && c == '/') incomment = 0; |
|---|
| 694 | else if (c < 0) { |
|---|
| 695 | error("EOF reached in comment"); |
|---|
| 696 | errorAt(commentStartLine, "comment started here"); |
|---|
| 697 | return c; |
|---|
| 698 | } |
|---|
| 699 | } |
|---|
| 700 | if (search__attribute__ || search__ATTR__) search_comment_for_attribute(); |
|---|
| 701 | if (promote_lines) search_comment_for_promotion(); |
|---|
| 702 | return fnextch(f); |
|---|
| 703 | } |
|---|
| 704 | else if (c == '/') { // C++ style comment |
|---|
| 705 | incomment = 1; |
|---|
| 706 | c = ' '; |
|---|
| 707 | DEBUG_PRINT("fnextch: C++ comment seen\n"); |
|---|
| 708 | lc_size = 0; |
|---|
| 709 | |
|---|
| 710 | while (incomment) { |
|---|
| 711 | lastc = c; |
|---|
| 712 | c = ngetc(f); |
|---|
| 713 | last_comment[lc_size++] = c; |
|---|
| 714 | mp_assert(lc_size<MAX_COMMENT_SIZE); |
|---|
| 715 | |
|---|
| 716 | if (lastc != '\\' && c == '\n') incomment = 0; |
|---|
| 717 | else if (c < 0) break; |
|---|
| 718 | } |
|---|
| 719 | if (search__attribute__ || search__ATTR__) search_comment_for_attribute(); |
|---|
| 720 | if (promote_lines) search_comment_for_promotion(); |
|---|
| 721 | |
|---|
| 722 | if (c == '\n') return c; |
|---|
| 723 | return fnextch(f); |
|---|
| 724 | } |
|---|
| 725 | else { |
|---|
| 726 | // if we pre-fetched a linefeed, remember to adjust the line number |
|---|
| 727 | if (c == '\n') linenum--; |
|---|
| 728 | ungetc(c, f); |
|---|
| 729 | return '/'; |
|---|
| 730 | } |
|---|
| 731 | } |
|---|
| 732 | return c; |
|---|
| 733 | } |
|---|
| 734 | |
|---|
| 735 | |
|---|
| 736 | static int nextch(FILE *f) { |
|---|
| 737 | // Get the next "interesting" character. Comments are skipped, and strings |
|---|
| 738 | // are converted to "0". Also, if a line starts with "#" it is skipped. |
|---|
| 739 | |
|---|
| 740 | int c, n; |
|---|
| 741 | char *p, numbuf[10]; |
|---|
| 742 | |
|---|
| 743 | c = fnextch(f); |
|---|
| 744 | |
|---|
| 745 | // skip preprocessor directives |
|---|
| 746 | // EXCEPTION: #line nnn or #nnn lines are interpreted |
|---|
| 747 | |
|---|
| 748 | if (newline_seen && c == '#') { |
|---|
| 749 | // skip blanks |
|---|
| 750 | do { |
|---|
| 751 | c = fnextch(f); |
|---|
| 752 | } while (c >= 0 && (c == '\t' || c == ' ')); |
|---|
| 753 | |
|---|
| 754 | // check for #line |
|---|
| 755 | if (c == 'l') { |
|---|
| 756 | c = fnextch(f); |
|---|
| 757 | if (c != 'i') // not a #line directive |
|---|
| 758 | goto skip_rest_of_line; |
|---|
| 759 | do { |
|---|
| 760 | c = fnextch(f); |
|---|
| 761 | } while (c >= 0 && c != '\n' && !isdigit(c)); |
|---|
| 762 | } |
|---|
| 763 | |
|---|
| 764 | // if we have a digit it's a line number, from the preprocessor |
|---|
| 765 | if (c >= 0 && isdigit(c)) { |
|---|
| 766 | p = numbuf; |
|---|
| 767 | for (n = 8; n >= 0; --n) { |
|---|
| 768 | *p++ = c; |
|---|
| 769 | c = fnextch(f); |
|---|
| 770 | if (c <= 0 || !isdigit(c)) |
|---|
| 771 | break; |
|---|
| 772 | } |
|---|
| 773 | *p = 0; |
|---|
| 774 | linenum = atol(numbuf) - 1; |
|---|
| 775 | } |
|---|
| 776 | |
|---|
| 777 | // skip the rest of the line |
|---|
| 778 | skip_rest_of_line : |
|---|
| 779 | while (c >= 0 && c != '\n') |
|---|
| 780 | c = fnextch(f); |
|---|
| 781 | if (c < 0) |
|---|
| 782 | return c; |
|---|
| 783 | } |
|---|
| 784 | newline_seen = (c == '\n'); |
|---|
| 785 | |
|---|
| 786 | if (c == '\'' || c == '\"') { |
|---|
| 787 | char buffer[11]; |
|---|
| 788 | int index = 0; |
|---|
| 789 | long quoteStartLine = linenum; |
|---|
| 790 | |
|---|
| 791 | DEBUG_PRINT("nextch: in a quote\n"); |
|---|
| 792 | inquote = c; |
|---|
| 793 | while ((c = fnextch(f)) >= 0) { |
|---|
| 794 | if (c == inquote) { |
|---|
| 795 | buffer[index] = 0; |
|---|
| 796 | DEBUG_PRINT("quoted content='"); |
|---|
| 797 | DEBUG_PRINT(buffer); |
|---|
| 798 | DEBUG_PRINT("'\n"); |
|---|
| 799 | |
|---|
| 800 | DEBUG_PRINT("nextch: out of quote\n"); |
|---|
| 801 | |
|---|
| 802 | if (linenum != quoteStartLine) { |
|---|
| 803 | error("multiline quotes"); |
|---|
| 804 | errorAt(quoteStartLine, "quotes opened here"); |
|---|
| 805 | } |
|---|
| 806 | |
|---|
| 807 | if (inquote=='\"' && strcmp(buffer, "C")==0) { |
|---|
| 808 | inquote = 0; |
|---|
| 809 | return '$'; // found "C" (needed for 'extern "C"') |
|---|
| 810 | } |
|---|
| 811 | inquote = 0; |
|---|
| 812 | return '0'; |
|---|
| 813 | } |
|---|
| 814 | else { |
|---|
| 815 | if (index<10) buffer[index++] = c; |
|---|
| 816 | } |
|---|
| 817 | } |
|---|
| 818 | error("EOF in a quote"); |
|---|
| 819 | errorAt(quoteStartLine, "quote started here"); |
|---|
| 820 | DEBUG_PRINT("nextch: EOF in a quote\n"); |
|---|
| 821 | } |
|---|
| 822 | return c; |
|---|
| 823 | } |
|---|
| 824 | |
|---|
| 825 | static int getsym(char *buf, FILE *f) { |
|---|
| 826 | /* Get the next symbol from the file, skipping blanks. |
|---|
| 827 | * Return 0 if OK, -1 for EOF. |
|---|
| 828 | * Also collapses everything between { and } |
|---|
| 829 | */ |
|---|
| 830 | |
|---|
| 831 | int c; |
|---|
| 832 | int inbrack = 0; |
|---|
| 833 | |
|---|
| 834 | #if defined(DEBUG_PRINTS) |
|---|
| 835 | char *bufStart = buf; |
|---|
| 836 | #endif // DEBUG_PRINTS |
|---|
| 837 | |
|---|
| 838 | c = glastc; |
|---|
| 839 | while ((c > 0) && isspace(c)) { |
|---|
| 840 | c = nextch(f); |
|---|
| 841 | } |
|---|
| 842 | |
|---|
| 843 | if (c < 0) { |
|---|
| 844 | DEBUG_PRINT("EOF read in getsym\n"); |
|---|
| 845 | return -1; |
|---|
| 846 | } |
|---|
| 847 | |
|---|
| 848 | if (c == '{') { |
|---|
| 849 | long bracketStartLine = linenum; |
|---|
| 850 | |
|---|
| 851 | inbrack = 1; |
|---|
| 852 | DEBUG_PRINT("getsym: in '{'\n"); |
|---|
| 853 | while (inbrack) { |
|---|
| 854 | c = nextch(f); |
|---|
| 855 | if (c < 0) { |
|---|
| 856 | error("EOF seen in bracket loop (unbalanced brackets?)"); |
|---|
| 857 | errorAt(bracketStartLine, "bracket opened here"); |
|---|
| 858 | DEBUG_PRINT("getsym: EOF seen in bracket loop\n"); |
|---|
| 859 | glastc = c; |
|---|
| 860 | return c; |
|---|
| 861 | } |
|---|
| 862 | if (c == '{') { |
|---|
| 863 | inbrack++; |
|---|
| 864 | #if defined(DEBUG_PRINTS) |
|---|
| 865 | fprintf(stderr, "inbrack=%i (line=%li)\n", inbrack, linenum); |
|---|
| 866 | #endif // DEBUG_PRINTS |
|---|
| 867 | } |
|---|
| 868 | else if (c == '}') { |
|---|
| 869 | inbrack--; |
|---|
| 870 | #if defined(DEBUG_PRINTS) |
|---|
| 871 | fprintf(stderr, "inbrack=%i (line=%li)\n", inbrack, linenum); |
|---|
| 872 | #endif // DEBUG_PRINTS |
|---|
| 873 | } |
|---|
| 874 | } |
|---|
| 875 | strcpy(buf, "{}"); |
|---|
| 876 | glastc = nextch(f); |
|---|
| 877 | DEBUG_PRINT("getsym: returning brackets '"); |
|---|
| 878 | } |
|---|
| 879 | else if (!ISCSYM(c)) { |
|---|
| 880 | *buf++ = c; |
|---|
| 881 | *buf = 0; |
|---|
| 882 | glastc = nextch(f); |
|---|
| 883 | |
|---|
| 884 | DEBUG_PRINT("getsym: returning special symbol '"); |
|---|
| 885 | } |
|---|
| 886 | else { |
|---|
| 887 | while (ISCSYM(c)) { |
|---|
| 888 | *buf++ = c; |
|---|
| 889 | c = nextch(f); |
|---|
| 890 | } |
|---|
| 891 | *buf = 0; |
|---|
| 892 | glastc = c; |
|---|
| 893 | DEBUG_PRINT("getsym: returning word '"); |
|---|
| 894 | } |
|---|
| 895 | |
|---|
| 896 | DEBUG_PRINT(bufStart); |
|---|
| 897 | DEBUG_PRINT("'\n"); |
|---|
| 898 | |
|---|
| 899 | return 0; |
|---|
| 900 | } |
|---|
| 901 | |
|---|
| 902 | static int skipit(char *buf, FILE *f) { |
|---|
| 903 | // skip until a ";" or the end of a function declaration is seen |
|---|
| 904 | |
|---|
| 905 | int i; |
|---|
| 906 | do { |
|---|
| 907 | DEBUG_PRINT("in skipit loop\n"); |
|---|
| 908 | |
|---|
| 909 | i = getsym(buf, f); |
|---|
| 910 | if (i < 0) return i; |
|---|
| 911 | |
|---|
| 912 | DEBUG_PRINT("skipit: '"); |
|---|
| 913 | DEBUG_PRINT(buf); |
|---|
| 914 | DEBUG_PRINT("'\n"); |
|---|
| 915 | |
|---|
| 916 | } while (*buf != ';' && *buf != '{'); |
|---|
| 917 | |
|---|
| 918 | return 0; |
|---|
| 919 | } |
|---|
| 920 | |
|---|
| 921 | static int is_type_word(char *s) { |
|---|
| 922 | // find most common type specifiers for purpose of ruling them out as parm names |
|---|
| 923 | |
|---|
| 924 | static const char *typewords[] = { |
|---|
| 925 | "char", "const", "double", "enum", |
|---|
| 926 | "float", "int", "long", "short", |
|---|
| 927 | "signed", "struct", "union", "unsigned", |
|---|
| 928 | "void", "volatile", (char *)0 |
|---|
| 929 | }; |
|---|
| 930 | |
|---|
| 931 | const char **ss; |
|---|
| 932 | |
|---|
| 933 | for (ss = typewords; *ss; ++ss) |
|---|
| 934 | if (strcmp(s, *ss) == 0) |
|---|
| 935 | return 1; |
|---|
| 936 | |
|---|
| 937 | return 0; |
|---|
| 938 | } |
|---|
| 939 | |
|---|
| 940 | |
|---|
| 941 | /* Ad-hoc macro to recognize parameter name for purposes of removal. |
|---|
| 942 | * Idea is to remove the bulk of easily recognized parm names without |
|---|
| 943 | * losing too many type specifiers. (sg) |
|---|
| 944 | */ |
|---|
| 945 | #define IS_PARM_NAME(w) \ |
|---|
| 946 | (ISCSYM(*(w)->string) && !is_type_word((w)->string) && \ |
|---|
| 947 | (!(w)->next || *(w)->next->string == ',' || \ |
|---|
| 948 | *(w)->next->string == '[')) |
|---|
| 949 | |
|---|
| 950 | |
|---|
| 951 | static Word *typelist(Word *p) { |
|---|
| 952 | // given a list representing a type and a variable name, extract just |
|---|
| 953 | // the base type, e.g. "struct word *x" would yield "struct word" |
|---|
| 954 | |
|---|
| 955 | Word *w, *r; |
|---|
| 956 | |
|---|
| 957 | r = w = word_alloc(""); |
|---|
| 958 | while (p && p->next) { |
|---|
| 959 | // handle int *x --> int |
|---|
| 960 | if (p->string[0] && !ISCSYM(p->string[0])) |
|---|
| 961 | break; |
|---|
| 962 | // handle int x[] --> int |
|---|
| 963 | if (p->next->string[0] == '[') |
|---|
| 964 | break; |
|---|
| 965 | w->next = word_alloc(p->string); |
|---|
| 966 | w = w->next; |
|---|
| 967 | p = p->next; |
|---|
| 968 | } |
|---|
| 969 | return r; |
|---|
| 970 | } |
|---|
| 971 | |
|---|
| 972 | static Word *getparamlist(FILE *f) { |
|---|
| 973 | // Get a parameter list; when this is called the next symbol in line |
|---|
| 974 | // should be the first thing in the list. |
|---|
| 975 | |
|---|
| 976 | static Word *pname[MAXPARAM]; // parameter names |
|---|
| 977 | Word *tlist; // type name |
|---|
| 978 | Word *plist; // temporary |
|---|
| 979 | int np = 0; // number of parameters |
|---|
| 980 | int typed[MAXPARAM]; // parameter has been given a type |
|---|
| 981 | int tlistdone; // finished finding the type name |
|---|
| 982 | int sawsomething; |
|---|
| 983 | int i; |
|---|
| 984 | int inparen = 0; |
|---|
| 985 | char buf[80]; |
|---|
| 986 | |
|---|
| 987 | DEBUG_PRINT("in getparamlist\n"); |
|---|
| 988 | for (i = 0; i < MAXPARAM; i++) |
|---|
| 989 | typed[i] = 0; |
|---|
| 990 | |
|---|
| 991 | plist = word_alloc(""); |
|---|
| 992 | |
|---|
| 993 | // first, get the stuff inside brackets (if anything) |
|---|
| 994 | |
|---|
| 995 | sawsomething = 0; // gets set nonzero when we see an arg |
|---|
| 996 | for (;;) { |
|---|
| 997 | if (getsym(buf, f) < 0) return NULL; |
|---|
| 998 | if (*buf == ')' && (--inparen < 0)) { |
|---|
| 999 | if (sawsomething) { // if we've seen an arg |
|---|
| 1000 | pname[np] = plist; |
|---|
| 1001 | plist = word_alloc(""); |
|---|
| 1002 | np++; |
|---|
| 1003 | } |
|---|
| 1004 | break; |
|---|
| 1005 | } |
|---|
| 1006 | if (*buf == ';') { // something weird |
|---|
| 1007 | return ABORTED; |
|---|
| 1008 | } |
|---|
| 1009 | sawsomething = 1; // there's something in the arg. list |
|---|
| 1010 | if (*buf == ',' && inparen == 0) { |
|---|
| 1011 | pname[np] = plist; |
|---|
| 1012 | plist = word_alloc(""); |
|---|
| 1013 | np++; |
|---|
| 1014 | } |
|---|
| 1015 | else { |
|---|
| 1016 | addword(plist, buf); |
|---|
| 1017 | if (*buf == '(') inparen++; |
|---|
| 1018 | } |
|---|
| 1019 | } |
|---|
| 1020 | |
|---|
| 1021 | // next, get the declarations after the function header |
|---|
| 1022 | |
|---|
| 1023 | inparen = 0; |
|---|
| 1024 | |
|---|
| 1025 | tlist = word_alloc(""); |
|---|
| 1026 | plist = word_alloc(""); |
|---|
| 1027 | tlistdone = 0; |
|---|
| 1028 | sawsomething = 0; |
|---|
| 1029 | for (;;) { |
|---|
| 1030 | if (getsym(buf, f) < 0) return NULL; |
|---|
| 1031 | |
|---|
| 1032 | if (*buf == ',' && !inparen) { // handle a list like "int x,y,z" |
|---|
| 1033 | if (!sawsomething) |
|---|
| 1034 | return NULL; |
|---|
| 1035 | for (i = 0; i < np; i++) { |
|---|
| 1036 | if (!typed[i] && foundin(plist, pname[i])) { |
|---|
| 1037 | typed[i] = 1; |
|---|
| 1038 | word_free(pname[i]); |
|---|
| 1039 | pname[i] = word_append(tlist, plist); |
|---|
| 1040 | // promote types |
|---|
| 1041 | typefixhack(pname[i]); |
|---|
| 1042 | break; |
|---|
| 1043 | } |
|---|
| 1044 | } |
|---|
| 1045 | if (!tlistdone) { |
|---|
| 1046 | tlist = typelist(plist); |
|---|
| 1047 | tlistdone = 1; |
|---|
| 1048 | } |
|---|
| 1049 | word_free(plist); |
|---|
| 1050 | plist = word_alloc(""); |
|---|
| 1051 | } |
|---|
| 1052 | else if (*buf == ';') { // handle the end of a list |
|---|
| 1053 | if (!sawsomething) |
|---|
| 1054 | return ABORTED; |
|---|
| 1055 | for (i = 0; i < np; i++) { |
|---|
| 1056 | if (!typed[i] && foundin(plist, pname[i])) { |
|---|
| 1057 | typed[i] = 1; |
|---|
| 1058 | word_free(pname[i]); |
|---|
| 1059 | pname[i] = word_append(tlist, plist); |
|---|
| 1060 | typefixhack(pname[i]); |
|---|
| 1061 | break; |
|---|
| 1062 | } |
|---|
| 1063 | } |
|---|
| 1064 | tlistdone = 0; |
|---|
| 1065 | word_free(tlist); word_free(plist); |
|---|
| 1066 | tlist = word_alloc(""); |
|---|
| 1067 | plist = word_alloc(""); |
|---|
| 1068 | } |
|---|
| 1069 | else if (strcmp(buf, "{}") == 0) break; // handle the beginning of the function |
|---|
| 1070 | else if (strcmp(buf, "register")) { // otherwise, throw the word into the list (except for "register") |
|---|
| 1071 | addword(plist, buf); |
|---|
| 1072 | if (*buf == '(') inparen++; |
|---|
| 1073 | else if (*buf == ')') inparen--; |
|---|
| 1074 | else sawsomething = 1; |
|---|
| 1075 | } |
|---|
| 1076 | } |
|---|
| 1077 | |
|---|
| 1078 | // Now take the info we have and build a prototype list |
|---|
| 1079 | |
|---|
| 1080 | // empty parameter list means "void" |
|---|
| 1081 | if (np == 0) return word_alloc("void"); |
|---|
| 1082 | |
|---|
| 1083 | plist = tlist = word_alloc(""); |
|---|
| 1084 | |
|---|
| 1085 | /* how to handle parameters which contain only one word ? |
|---|
| 1086 | * |
|---|
| 1087 | * void -> void |
|---|
| 1088 | * xxx -> int xxx (if AUTO_INT is defined) |
|---|
| 1089 | * int -> int dummyXX (otherwise) |
|---|
| 1090 | */ |
|---|
| 1091 | |
|---|
| 1092 | // #define AUTO_INT |
|---|
| 1093 | |
|---|
| 1094 | { |
|---|
| 1095 | #if !defined(AUTO_INT) |
|---|
| 1096 | int dummy_counter = 1; |
|---|
| 1097 | char dummy_name[] = "dummy_xx"; |
|---|
| 1098 | #define DUMMY_COUNTER_POS 6 |
|---|
| 1099 | #endif |
|---|
| 1100 | |
|---|
| 1101 | for (i = 0; i < np; i++) { |
|---|
| 1102 | #if !defined(AUTO_INT) |
|---|
| 1103 | int add_dummy_name = 0; |
|---|
| 1104 | #endif |
|---|
| 1105 | { |
|---|
| 1106 | Word *pn_list = pname[i]; |
|---|
| 1107 | int cnt = 0; |
|---|
| 1108 | int is_void = 0; |
|---|
| 1109 | |
|---|
| 1110 | while (pn_list) { // count words |
|---|
| 1111 | if (pn_list->string[0]) { |
|---|
| 1112 | ++cnt; |
|---|
| 1113 | if (strcmp(pn_list->string, "void")==0) is_void = 1; |
|---|
| 1114 | } |
|---|
| 1115 | pn_list = pn_list->next; |
|---|
| 1116 | } |
|---|
| 1117 | if (cnt==1 && !is_void) { // only name, but not void |
|---|
| 1118 | // no type or no parameter name |
|---|
| 1119 | #ifdef AUTO_INT |
|---|
| 1120 | // If no type provided, make it an "int" |
|---|
| 1121 | addword(tlist, "int"); // add int to tlist before adding pname[i] |
|---|
| 1122 | #else |
|---|
| 1123 | add_dummy_name = 1; // add a dummy name after adding pname[i] |
|---|
| 1124 | #endif |
|---|
| 1125 | } |
|---|
| 1126 | } |
|---|
| 1127 | |
|---|
| 1128 | while (tlist->next) tlist = tlist->next; |
|---|
| 1129 | tlist->next = pname[i]; |
|---|
| 1130 | |
|---|
| 1131 | #if !defined(AUTO_INT) |
|---|
| 1132 | if (add_dummy_name) { |
|---|
| 1133 | mp_assert(dummy_counter<100); |
|---|
| 1134 | dummy_name[DUMMY_COUNTER_POS] = (dummy_counter/10)+'0'; |
|---|
| 1135 | dummy_name[DUMMY_COUNTER_POS] = (dummy_counter%10)+'0'; |
|---|
| 1136 | addword(tlist, dummy_name); |
|---|
| 1137 | dummy_counter++; |
|---|
| 1138 | } |
|---|
| 1139 | #endif |
|---|
| 1140 | |
|---|
| 1141 | if (i < np - 1) addword(tlist, ","); |
|---|
| 1142 | } |
|---|
| 1143 | } |
|---|
| 1144 | |
|---|
| 1145 | return plist; |
|---|
| 1146 | } |
|---|
| 1147 | |
|---|
| 1148 | static void emit(Word *wlist, Word *plist, long startline) { |
|---|
| 1149 | // emit a function declaration. The attributes and name of the function |
|---|
| 1150 | // are in wlist; the parameters are in plist. |
|---|
| 1151 | |
|---|
| 1152 | Word *w; |
|---|
| 1153 | int count = 0; |
|---|
| 1154 | int isstatic = 0; |
|---|
| 1155 | int ismain = 0; |
|---|
| 1156 | int refs = 0; |
|---|
| 1157 | |
|---|
| 1158 | if (promote_lines) print_promotions(); |
|---|
| 1159 | |
|---|
| 1160 | for (w = wlist; w; w = w->next) { |
|---|
| 1161 | if (w->string[0]) { |
|---|
| 1162 | count ++; |
|---|
| 1163 | if (strcmp(w->string, "static") == 0) isstatic = 1; |
|---|
| 1164 | else if (strcmp(w->string, "main") == 0) ismain = 1; |
|---|
| 1165 | } |
|---|
| 1166 | } |
|---|
| 1167 | |
|---|
| 1168 | if (ismain && !use_main) return; |
|---|
| 1169 | |
|---|
| 1170 | if (aisc) { |
|---|
| 1171 | if (count < 2) { |
|---|
| 1172 | printf("int\t"); |
|---|
| 1173 | w = wlist; |
|---|
| 1174 | } |
|---|
| 1175 | else { |
|---|
| 1176 | refs = 0; |
|---|
| 1177 | for (w = wlist; w; w = w->next) { |
|---|
| 1178 | if (w->string[0]) { |
|---|
| 1179 | printf("%s,\t", w->string); |
|---|
| 1180 | w = w->next; |
|---|
| 1181 | break; |
|---|
| 1182 | } |
|---|
| 1183 | } |
|---|
| 1184 | } |
|---|
| 1185 | for (; w; w = w->next) { |
|---|
| 1186 | if (w->string[0] == '*') { |
|---|
| 1187 | refs++; |
|---|
| 1188 | continue; |
|---|
| 1189 | } |
|---|
| 1190 | if (w->string[0]) { |
|---|
| 1191 | printf("%s,", w->string); |
|---|
| 1192 | break; |
|---|
| 1193 | } |
|---|
| 1194 | } |
|---|
| 1195 | if (refs) { |
|---|
| 1196 | printf("\tlink%i", refs); |
|---|
| 1197 | refs = 0; |
|---|
| 1198 | } |
|---|
| 1199 | else { |
|---|
| 1200 | printf("\tterm"); |
|---|
| 1201 | } |
|---|
| 1202 | |
|---|
| 1203 | refs = 0; |
|---|
| 1204 | |
|---|
| 1205 | if (strcmp(plist->string, "void") != 0) { // if parameter is not 'void' |
|---|
| 1206 | printf(",\t{\n"); |
|---|
| 1207 | printf("\t@TYPE,\t@IDENT,\t@REF;\n"); |
|---|
| 1208 | |
|---|
| 1209 | int name_seen = 0; |
|---|
| 1210 | int unnamed_counter = 1; |
|---|
| 1211 | for (w = plist; w; w = w->next) { |
|---|
| 1212 | if (w->string[0] == '*') { |
|---|
| 1213 | refs++; |
|---|
| 1214 | name_seen = 0; |
|---|
| 1215 | continue; |
|---|
| 1216 | } |
|---|
| 1217 | if (w->string[0] == ',') { |
|---|
| 1218 | if (refs) { |
|---|
| 1219 | printf("\tlink%i;\n", refs); |
|---|
| 1220 | refs = 0; |
|---|
| 1221 | continue; |
|---|
| 1222 | } |
|---|
| 1223 | else { |
|---|
| 1224 | printf("\tterm;\n"); |
|---|
| 1225 | continue; |
|---|
| 1226 | } |
|---|
| 1227 | } |
|---|
| 1228 | if (w->string[0]) { |
|---|
| 1229 | printf("\t%s,", w->string); |
|---|
| 1230 | name_seen = 1; |
|---|
| 1231 | } |
|---|
| 1232 | } |
|---|
| 1233 | if (refs) { |
|---|
| 1234 | if (!name_seen) { // automatically insert missing parameter names |
|---|
| 1235 | printf("\tunnamed%i,", unnamed_counter++); |
|---|
| 1236 | } |
|---|
| 1237 | printf("\tlink%i;\n", refs); |
|---|
| 1238 | refs = 0; |
|---|
| 1239 | } |
|---|
| 1240 | else { |
|---|
| 1241 | printf("\tterm;\n"); |
|---|
| 1242 | } |
|---|
| 1243 | printf("}"); |
|---|
| 1244 | } |
|---|
| 1245 | printf(";\n\n"); |
|---|
| 1246 | return; |
|---|
| 1247 | } |
|---|
| 1248 | DEBUG_PRINT("emit called\n"); |
|---|
| 1249 | if (donum) |
|---|
| 1250 | printf("/*%8ld */ ", startline); |
|---|
| 1251 | |
|---|
| 1252 | |
|---|
| 1253 | // if the -e flag was given, and it's not a static function, print "extern" |
|---|
| 1254 | |
|---|
| 1255 | if (print_extern && !isstatic) { |
|---|
| 1256 | printf("extern "); |
|---|
| 1257 | } |
|---|
| 1258 | |
|---|
| 1259 | int spaceBeforeNext = 0; |
|---|
| 1260 | if (count < 2) { |
|---|
| 1261 | printf("int"); |
|---|
| 1262 | spaceBeforeNext = 1; |
|---|
| 1263 | } |
|---|
| 1264 | |
|---|
| 1265 | for (w = wlist; w; w = w->next) { |
|---|
| 1266 | if (spaceBeforeNext) { |
|---|
| 1267 | DEBUG_PRINT("emit[1] ' '\n"); |
|---|
| 1268 | putchar(' '); |
|---|
| 1269 | } |
|---|
| 1270 | printf("%s", w->string); |
|---|
| 1271 | DEBUG_PRINT_STRING("emit[2] ", w->string); |
|---|
| 1272 | spaceBeforeNext = ISCSYM(w->string[0]); |
|---|
| 1273 | } |
|---|
| 1274 | |
|---|
| 1275 | if (use_macro) printf(" %s((", macro_name); |
|---|
| 1276 | else putchar('('); |
|---|
| 1277 | DEBUG_PRINT("emit[3] '('\n"); |
|---|
| 1278 | |
|---|
| 1279 | spaceBeforeNext = 0; |
|---|
| 1280 | for (w = plist; w; w = w->next) { |
|---|
| 1281 | if (no_parm_names && IS_PARM_NAME(w)) continue; |
|---|
| 1282 | |
|---|
| 1283 | const char *token = w->string; |
|---|
| 1284 | char tokStart = token[0]; |
|---|
| 1285 | |
|---|
| 1286 | if (!tokStart) continue; // empty token |
|---|
| 1287 | |
|---|
| 1288 | if (tokStart == ',') spaceBeforeNext = 1; |
|---|
| 1289 | else if (strchr("[])", tokStart) != NULL) spaceBeforeNext = 0; |
|---|
| 1290 | else { |
|---|
| 1291 | if (spaceBeforeNext) { |
|---|
| 1292 | putchar(' '); |
|---|
| 1293 | DEBUG_PRINT("emit[4] ' '\n"); |
|---|
| 1294 | } |
|---|
| 1295 | spaceBeforeNext = ISCSYM(tokStart); |
|---|
| 1296 | } |
|---|
| 1297 | fputs(token, stdout); |
|---|
| 1298 | DEBUG_PRINT_STRING("emit[5] ", token); |
|---|
| 1299 | } |
|---|
| 1300 | |
|---|
| 1301 | if (use_macro) PRINT("))"); |
|---|
| 1302 | else PRINT(")"); |
|---|
| 1303 | DEBUG_PRINT("emit[6] ')'\n"); |
|---|
| 1304 | |
|---|
| 1305 | if (found__attribute__) { PRINT(" "); PRINT(found__attribute__); } |
|---|
| 1306 | if (found__ATTR__) { PRINT(" "); PRINT(found__ATTR__); } |
|---|
| 1307 | |
|---|
| 1308 | PRINT(";\n"); |
|---|
| 1309 | } |
|---|
| 1310 | |
|---|
| 1311 | static void getdecl(FILE *f, const char *header) { |
|---|
| 1312 | // parse all function declarations and print to STDOUT |
|---|
| 1313 | |
|---|
| 1314 | Word *plist, *wlist = NULL; |
|---|
| 1315 | char buf[80]; |
|---|
| 1316 | int sawsomething; |
|---|
| 1317 | long startline; // line where declaration started |
|---|
| 1318 | int oktoprint; |
|---|
| 1319 | int header_printed = 0; |
|---|
| 1320 | |
|---|
| 1321 | current_file = strdup(header); |
|---|
| 1322 | |
|---|
| 1323 | again : |
|---|
| 1324 | DEBUG_PRINT("again\n"); |
|---|
| 1325 | word_free(wlist); |
|---|
| 1326 | wlist = word_alloc(""); |
|---|
| 1327 | sawsomething = 0; |
|---|
| 1328 | oktoprint = 1; |
|---|
| 1329 | extern_c_seen = 0; |
|---|
| 1330 | |
|---|
| 1331 | for (;;) { |
|---|
| 1332 | DEBUG_PRINT("main getdecl loop\n"); |
|---|
| 1333 | if (getsym(buf, f) < 0) { |
|---|
| 1334 | DEBUG_PRINT("EOF in getdecl loop\n"); |
|---|
| 1335 | return; |
|---|
| 1336 | } |
|---|
| 1337 | |
|---|
| 1338 | DEBUG_PRINT("getdecl: '"); |
|---|
| 1339 | DEBUG_PRINT(buf); |
|---|
| 1340 | DEBUG_PRINT("'\n"); |
|---|
| 1341 | |
|---|
| 1342 | // try to guess when a declaration is not an external function definition |
|---|
| 1343 | if (strcmp(buf, ",")==0 || |
|---|
| 1344 | strcmp(buf, "=")==0 || |
|---|
| 1345 | strcmp(buf, "typedef")==0 || |
|---|
| 1346 | strcmp(buf, "[")==0) |
|---|
| 1347 | { |
|---|
| 1348 | skipit(buf, f); |
|---|
| 1349 | goto again; |
|---|
| 1350 | } |
|---|
| 1351 | |
|---|
| 1352 | if (strcmp(buf, "{}")==0) { |
|---|
| 1353 | if (!extern_c_seen) skipit(buf, f); |
|---|
| 1354 | goto again; |
|---|
| 1355 | } |
|---|
| 1356 | |
|---|
| 1357 | if (strcmp(buf, "extern")==0) { |
|---|
| 1358 | if (getsym(buf, f)<0) { |
|---|
| 1359 | DEBUG_PRINT("EOF in getdecl loop\n"); |
|---|
| 1360 | return; |
|---|
| 1361 | } |
|---|
| 1362 | |
|---|
| 1363 | DEBUG_PRINT("test auf extern \"C\": '"); |
|---|
| 1364 | DEBUG_PRINT(buf); |
|---|
| 1365 | DEBUG_PRINT("'\n"); |
|---|
| 1366 | |
|---|
| 1367 | if (strcmp(buf, "$") == 0) { // symbol used if "C" was found |
|---|
| 1368 | extern_c_seen = 1; |
|---|
| 1369 | if (promote_extern_c) { |
|---|
| 1370 | addword(wlist, "extern"); |
|---|
| 1371 | addword(wlist, "\"C\" "); |
|---|
| 1372 | sawsomething = 1; |
|---|
| 1373 | } |
|---|
| 1374 | continue; |
|---|
| 1375 | } |
|---|
| 1376 | |
|---|
| 1377 | skipit(buf, f); |
|---|
| 1378 | goto again; |
|---|
| 1379 | } |
|---|
| 1380 | |
|---|
| 1381 | if (oktoprint && !dostatic && strcmp(buf, "static")==0) { |
|---|
| 1382 | oktoprint = 0; |
|---|
| 1383 | } |
|---|
| 1384 | if (oktoprint && !doinline && strcmp(buf, "inline")==0) { |
|---|
| 1385 | oktoprint = 0; |
|---|
| 1386 | } |
|---|
| 1387 | if (oktoprint && search__ATTR__ && |
|---|
| 1388 | (strcmp(buf, "STATIC_ATTRIBUTED") == 0 || strcmp(buf, "INLINE_ATTRIBUTED") == 0)) |
|---|
| 1389 | { |
|---|
| 1390 | // (compare with ../TEMPLATES/attributes.h@specialHandling_ATTRIBUTED) |
|---|
| 1391 | oktoprint = 0; |
|---|
| 1392 | } |
|---|
| 1393 | |
|---|
| 1394 | |
|---|
| 1395 | if (strcmp(buf, ";") == 0) goto again; |
|---|
| 1396 | |
|---|
| 1397 | // A left parenthesis *might* indicate a function definition |
|---|
| 1398 | if (strcmp(buf, "(")==0) { |
|---|
| 1399 | startline = linenum; |
|---|
| 1400 | if (!sawsomething || !(plist = getparamlist(f))) { |
|---|
| 1401 | skipit(buf, f); |
|---|
| 1402 | goto again; |
|---|
| 1403 | } |
|---|
| 1404 | if (plist == ABORTED) |
|---|
| 1405 | goto again; |
|---|
| 1406 | |
|---|
| 1407 | // It seems to have been what we wanted |
|---|
| 1408 | |
|---|
| 1409 | if (oktoprint) { // check function-name |
|---|
| 1410 | Word *w; |
|---|
| 1411 | |
|---|
| 1412 | for (w=wlist; w->next && oktoprint; w=w->next) { |
|---|
| 1413 | if (w->string[0]==':' && w->string[1]==0) oktoprint = 0; // do not emit prototypes for member functions |
|---|
| 1414 | } |
|---|
| 1415 | |
|---|
| 1416 | if (oktoprint && !wantPrototypeFor(w->string)) { |
|---|
| 1417 | oktoprint = 0; // => do not emit prototype |
|---|
| 1418 | } |
|---|
| 1419 | } |
|---|
| 1420 | |
|---|
| 1421 | if (oktoprint) { |
|---|
| 1422 | if (!header_printed) { |
|---|
| 1423 | if (aisc) printf("\n# %s\n", header); |
|---|
| 1424 | else printf("\n/* %s */\n", header); |
|---|
| 1425 | header_printed = 1; |
|---|
| 1426 | } |
|---|
| 1427 | emit(wlist, plist, startline); |
|---|
| 1428 | } |
|---|
| 1429 | clear_found_attribute(); |
|---|
| 1430 | |
|---|
| 1431 | word_free(plist); |
|---|
| 1432 | goto again; |
|---|
| 1433 | } |
|---|
| 1434 | |
|---|
| 1435 | addword(wlist, buf); |
|---|
| 1436 | sawsomething = 1; |
|---|
| 1437 | } |
|---|
| 1438 | } |
|---|
| 1439 | |
|---|
| 1440 | STATIC_ATTRIBUTED(__ATTR__NORETURN, void Usage()) { |
|---|
| 1441 | fprintf(stderr, "Usage: %s [flags] [files ...]", ourname); |
|---|
| 1442 | fputs("\nSupported flags:" |
|---|
| 1443 | "\n -a make a function list for aisc_includes (default: generate C prototypes)" |
|---|
| 1444 | "\n" |
|---|
| 1445 | "\n -e put an explicit \"extern\" keyword in declarations" |
|---|
| 1446 | "\n" |
|---|
| 1447 | "\n -n put line numbers of declarations as comments" |
|---|
| 1448 | "\n" |
|---|
| 1449 | "\n -s promote declarations for static functions" |
|---|
| 1450 | "\n -i promote declarations for inline functions" |
|---|
| 1451 | "\n -m promote declaration of 'main()' (default is to skip it)" |
|---|
| 1452 | "\n -F part[,part]* only promote declarations for functionnames containing one of the parts" |
|---|
| 1453 | "\n if 'part' starts with a '^' functionname has to start with rest of part" |
|---|
| 1454 | "\n -S (like -F) do NOT promote matching declarations (defaults to -S '^TEST_')" |
|---|
| 1455 | "\n" |
|---|
| 1456 | "\n -W don't promote types in old style declarations" |
|---|
| 1457 | "\n -x omit parameter names in prototypes" |
|---|
| 1458 | "\n" |
|---|
| 1459 | "\n -p sym use \"sym\" as the prototype macro (default \"P_\")" |
|---|
| 1460 | "\n -z omit prototype macro definition" |
|---|
| 1461 | "\n -A omit prototype macro; header files are strict ANSI" |
|---|
| 1462 | "\n" |
|---|
| 1463 | "\n -C insert 'extern \"C\"'" |
|---|
| 1464 | "\n -E prefix 'extern \"C\"' at prototype" |
|---|
| 1465 | "\n" |
|---|
| 1466 | "\n -g search for GNU extension __attribute__ in comment behind function header" |
|---|
| 1467 | "\n -G search for ARB macro __ATTR__ in comment behind function header" |
|---|
| 1468 | "\n and detect and ignore STATIC/INLINE_ATTRIBUTED() declarations" |
|---|
| 1469 | "\n" |
|---|
| 1470 | "\n -P promote /*AISC_MKPT_PROMOTE:forHeader*/ to header" |
|---|
| 1471 | "\n" |
|---|
| 1472 | "\n -w gen.h add standard include wrapper (needs name of generated header)" |
|---|
| 1473 | "\n" |
|---|
| 1474 | "\n -c \"text\" add text as comment into header" |
|---|
| 1475 | "\n" |
|---|
| 1476 | "\n -V print version number" |
|---|
| 1477 | "\n" |
|---|
| 1478 | , stderr); |
|---|
| 1479 | exit(EXIT_FAILURE); |
|---|
| 1480 | } |
|---|
| 1481 | |
|---|
| 1482 | static int string_comparator(const void *v0, const void *v1) { |
|---|
| 1483 | return strcmp(*(const char **)v0, *(const char **)v1); |
|---|
| 1484 | } |
|---|
| 1485 | |
|---|
| 1486 | int ARB_main(int argc, const char *argv[]) { |
|---|
| 1487 | FILE *f; |
|---|
| 1488 | const char *t; |
|---|
| 1489 | char *iobuf; |
|---|
| 1490 | int exit_if_noargs = 0; |
|---|
| 1491 | |
|---|
| 1492 | if (argv[0] && argv[0][0]) { |
|---|
| 1493 | |
|---|
| 1494 | ourname = strrchr(argv[0], '/'); |
|---|
| 1495 | if (!ourname) |
|---|
| 1496 | ourname = argv[0]; |
|---|
| 1497 | } |
|---|
| 1498 | else { |
|---|
| 1499 | ourname = "mkptypes"; |
|---|
| 1500 | } |
|---|
| 1501 | |
|---|
| 1502 | argv++; argc--; |
|---|
| 1503 | |
|---|
| 1504 | addExcludedSymParts("^TEST_,^NOTEST_"); // exclude unit tests |
|---|
| 1505 | |
|---|
| 1506 | iobuf = (char *)malloc(NEWBUFSIZ); |
|---|
| 1507 | while (*argv && **argv == '-') { |
|---|
| 1508 | t = *argv++; --argc; t++; |
|---|
| 1509 | while (*t) { |
|---|
| 1510 | if (*t == 'e') print_extern = 1; |
|---|
| 1511 | else if (*t == 'A') use_macro = 0; |
|---|
| 1512 | else if (*t == 'C') cansibycplus = 1; |
|---|
| 1513 | else if (*t == 'E') promote_extern_c = 1; |
|---|
| 1514 | else if (*t == 'W') dont_promote = 1; |
|---|
| 1515 | else if (*t == 'a') aisc = 1; |
|---|
| 1516 | else if (*t == 'g') search__attribute__ = 1; |
|---|
| 1517 | else if (*t == 'G') search__ATTR__ = 1; |
|---|
| 1518 | else if (*t == 'n') donum = 1; |
|---|
| 1519 | else if (*t == 's') dostatic = 1; |
|---|
| 1520 | else if (*t == 'i') doinline = 1; |
|---|
| 1521 | else if (*t == 'x') no_parm_names = 1; // no parm names, only types (sg) |
|---|
| 1522 | else if (*t == 'z') define_macro = 0; |
|---|
| 1523 | else if (*t == 'P') promote_lines = 1; |
|---|
| 1524 | else if (*t == 'm') use_main = 1; |
|---|
| 1525 | else if (*t == 'p') { |
|---|
| 1526 | t = *argv++; --argc; |
|---|
| 1527 | if (!t) Usage(); |
|---|
| 1528 | use_macro = 1; |
|---|
| 1529 | macro_name = t; |
|---|
| 1530 | break; |
|---|
| 1531 | } |
|---|
| 1532 | else if (*t == 'c') { |
|---|
| 1533 | t = *argv++; --argc; |
|---|
| 1534 | if (!t) Usage(); |
|---|
| 1535 | header_comment = t; |
|---|
| 1536 | break; |
|---|
| 1537 | } |
|---|
| 1538 | else if (*t == 'w') { |
|---|
| 1539 | t = *argv++; --argc; |
|---|
| 1540 | if (!t) Usage(); |
|---|
| 1541 | include_wrapper = t; |
|---|
| 1542 | break; |
|---|
| 1543 | } |
|---|
| 1544 | else if (*t == 'F') { |
|---|
| 1545 | t = *argv++; --argc; |
|---|
| 1546 | if (!t) Usage(); |
|---|
| 1547 | addRequiredSymParts(t); |
|---|
| 1548 | break; |
|---|
| 1549 | } |
|---|
| 1550 | else if (*t == 'S') { |
|---|
| 1551 | t = *argv++; --argc; |
|---|
| 1552 | if (!t) Usage(); |
|---|
| 1553 | freeExcludedSymParts(); |
|---|
| 1554 | addExcludedSymParts(t); |
|---|
| 1555 | break; |
|---|
| 1556 | } |
|---|
| 1557 | else if (*t == 'V') { |
|---|
| 1558 | exit_if_noargs = 1; |
|---|
| 1559 | Version(); |
|---|
| 1560 | } |
|---|
| 1561 | else Usage(); |
|---|
| 1562 | t++; |
|---|
| 1563 | } |
|---|
| 1564 | } |
|---|
| 1565 | |
|---|
| 1566 | if (search__ATTR__ && search__attribute__) { |
|---|
| 1567 | fputs("Either use option -g or -G (not both)", stderr); |
|---|
| 1568 | exit(EXIT_FAILURE); |
|---|
| 1569 | } |
|---|
| 1570 | |
|---|
| 1571 | if (argc == 0 && exit_if_noargs) { |
|---|
| 1572 | exit(EXIT_FAILURE); |
|---|
| 1573 | } |
|---|
| 1574 | |
|---|
| 1575 | char *include_macro = 0; |
|---|
| 1576 | if (aisc) { |
|---|
| 1577 | if (header_comment) { |
|---|
| 1578 | printf("# %s\n#\n", header_comment); |
|---|
| 1579 | } |
|---|
| 1580 | fputs("# This file is generated by aisc_mkpt.\n" |
|---|
| 1581 | "# Any changes you make here will be overwritten later!\n" |
|---|
| 1582 | "\n" |
|---|
| 1583 | "@FUNCTION_TYPE, @FUNCTION, @FUNCTION_REF;", stdout); |
|---|
| 1584 | } |
|---|
| 1585 | else { |
|---|
| 1586 | fputs("/*", stdout); |
|---|
| 1587 | if (header_comment) printf(" %s.\n *\n *", header_comment); |
|---|
| 1588 | fputs(" This file is generated by aisc_mkpt.\n" |
|---|
| 1589 | " * Any changes you make here will be overwritten later!\n" |
|---|
| 1590 | " */\n" |
|---|
| 1591 | "\n" |
|---|
| 1592 | , stdout); |
|---|
| 1593 | |
|---|
| 1594 | if (include_wrapper) { |
|---|
| 1595 | int p; |
|---|
| 1596 | include_macro = strdup(include_wrapper); |
|---|
| 1597 | for (p = 0; include_macro[p]; p++) { |
|---|
| 1598 | char c = include_macro[p]; |
|---|
| 1599 | c = strchr(".-", c) ? '_' : toupper(c); |
|---|
| 1600 | include_macro[p] = c; |
|---|
| 1601 | } |
|---|
| 1602 | |
|---|
| 1603 | printf("#ifndef %s\n" |
|---|
| 1604 | "#define %s\n" |
|---|
| 1605 | "\n", |
|---|
| 1606 | include_macro, |
|---|
| 1607 | include_macro); |
|---|
| 1608 | } |
|---|
| 1609 | |
|---|
| 1610 | if (use_macro) { |
|---|
| 1611 | if (define_macro) { |
|---|
| 1612 | fprintf(stdout, |
|---|
| 1613 | "#ifndef %s\n" |
|---|
| 1614 | "# if defined(__STDC__) || defined(__cplusplus)\n" |
|---|
| 1615 | "# define %s(s) s\n" |
|---|
| 1616 | "# else\n" |
|---|
| 1617 | "# define %s(s) ()\n" |
|---|
| 1618 | "# endif\n" |
|---|
| 1619 | "#else\n" |
|---|
| 1620 | "# error %s already defined elsewhere\n" |
|---|
| 1621 | "#endif\n\n", |
|---|
| 1622 | macro_name, macro_name, macro_name, macro_name); |
|---|
| 1623 | } |
|---|
| 1624 | else { |
|---|
| 1625 | fprintf(stdout, |
|---|
| 1626 | "#ifndef %s\n" |
|---|
| 1627 | "# error %s is not defined\n" |
|---|
| 1628 | "#endif\n\n", |
|---|
| 1629 | macro_name, macro_name); |
|---|
| 1630 | } |
|---|
| 1631 | } |
|---|
| 1632 | if (search__attribute__) { |
|---|
| 1633 | fputs("/* hide __attribute__'s for non-gcc compilers: */\n" |
|---|
| 1634 | "#ifndef __GNUC__\n" |
|---|
| 1635 | "# ifndef __attribute__\n" |
|---|
| 1636 | "# define __attribute__(x)\n" |
|---|
| 1637 | "# endif\n" |
|---|
| 1638 | "#endif\n\n", stdout); |
|---|
| 1639 | } |
|---|
| 1640 | if (search__ATTR__) { |
|---|
| 1641 | fputs("/* define ARB attributes: */\n" |
|---|
| 1642 | "#ifndef ATTRIBUTES_H\n" |
|---|
| 1643 | "# include <attributes.h>\n" |
|---|
| 1644 | "#endif\n\n", stdout); |
|---|
| 1645 | } |
|---|
| 1646 | if (cansibycplus) { |
|---|
| 1647 | fputs("#ifdef __cplusplus\n" |
|---|
| 1648 | "extern \"C\" {\n" |
|---|
| 1649 | "#endif\n\n", stdout); |
|---|
| 1650 | } |
|---|
| 1651 | } |
|---|
| 1652 | |
|---|
| 1653 | current_dir = strdup(getcwd(0, 255)); |
|---|
| 1654 | if (argc == 0) { |
|---|
| 1655 | getdecl(stdin, "<from stdin>"); |
|---|
| 1656 | } |
|---|
| 1657 | else { |
|---|
| 1658 | const char *filename[1000]; |
|---|
| 1659 | int fcount = 0; |
|---|
| 1660 | |
|---|
| 1661 | while (argc > 0 && *argv) { |
|---|
| 1662 | filename[fcount++] = *argv; |
|---|
| 1663 | argc--; argv++; |
|---|
| 1664 | } |
|---|
| 1665 | |
|---|
| 1666 | qsort(&filename, fcount, sizeof(filename[0]), string_comparator); |
|---|
| 1667 | |
|---|
| 1668 | for (int i = 0; i<fcount; ++i) { |
|---|
| 1669 | DEBUG_PRINT("trying new file '"); |
|---|
| 1670 | DEBUG_PRINT(filename[i]); |
|---|
| 1671 | DEBUG_PRINT("'\n"); |
|---|
| 1672 | |
|---|
| 1673 | if (!(f = fopen(filename[i], "r"))) { |
|---|
| 1674 | perror(filename[i]); |
|---|
| 1675 | exit(EXIT_FAILURE); |
|---|
| 1676 | } |
|---|
| 1677 | if (iobuf) setvbuf(f, iobuf, _IOFBF, NEWBUFSIZ); |
|---|
| 1678 | |
|---|
| 1679 | linenum = 1; |
|---|
| 1680 | newline_seen = 1; |
|---|
| 1681 | glastc = ' '; |
|---|
| 1682 | getdecl(f, filename[i]); |
|---|
| 1683 | fclose(f); |
|---|
| 1684 | |
|---|
| 1685 | free(current_file); |
|---|
| 1686 | current_file = 0; |
|---|
| 1687 | } |
|---|
| 1688 | } |
|---|
| 1689 | if (aisc) { |
|---|
| 1690 | } |
|---|
| 1691 | else { |
|---|
| 1692 | if (cansibycplus) { |
|---|
| 1693 | fputs("\n#ifdef __cplusplus\n" |
|---|
| 1694 | "}\n" |
|---|
| 1695 | "#endif\n", stdout); |
|---|
| 1696 | } |
|---|
| 1697 | if (use_macro && define_macro) { |
|---|
| 1698 | printf("\n#undef %s\n", macro_name); // clean up namespace |
|---|
| 1699 | } |
|---|
| 1700 | |
|---|
| 1701 | if (include_wrapper) { |
|---|
| 1702 | printf("\n" |
|---|
| 1703 | "#else\n" |
|---|
| 1704 | "#error %s included twice\n" |
|---|
| 1705 | "#endif /* %s */\n", |
|---|
| 1706 | include_wrapper, |
|---|
| 1707 | include_macro); |
|---|
| 1708 | } |
|---|
| 1709 | } |
|---|
| 1710 | |
|---|
| 1711 | free(include_macro); |
|---|
| 1712 | |
|---|
| 1713 | freeRequiredSymParts(); |
|---|
| 1714 | freeExcludedSymParts(); |
|---|
| 1715 | |
|---|
| 1716 | free(current_file); |
|---|
| 1717 | free(current_dir); |
|---|
| 1718 | |
|---|
| 1719 | free(iobuf); |
|---|
| 1720 | |
|---|
| 1721 | return EXIT_SUCCESS; |
|---|
| 1722 | } |
|---|
| 1723 | |
|---|
| 1724 | static void Version() { |
|---|
| 1725 | fprintf(stderr, "%s 1.1 ARB\n", ourname); |
|---|
| 1726 | } |
|---|
| 1727 | |
|---|
| 1728 | // -------------------------------------------------------------------------------- |
|---|
| 1729 | |
|---|
| 1730 | #ifdef UNIT_TESTS |
|---|
| 1731 | |
|---|
| 1732 | #include <test_unit.h> |
|---|
| 1733 | |
|---|
| 1734 | inline char*& searchResult(bool ATTR) { return ATTR ? found__ATTR__ : found__attribute__; } |
|---|
| 1735 | inline int& doSearchFor(bool ATTR) { return ATTR ? search__ATTR__ : search__attribute__; } |
|---|
| 1736 | |
|---|
| 1737 | inline const char *test_extract(bool ATTR, const char *str) { |
|---|
| 1738 | doSearchFor(ATTR) = true; |
|---|
| 1739 | doSearchFor(!ATTR) = false; |
|---|
| 1740 | |
|---|
| 1741 | clear_found_attribute(); |
|---|
| 1742 | |
|---|
| 1743 | strcpy(last_comment, str); |
|---|
| 1744 | lc_size = strlen(last_comment); |
|---|
| 1745 | |
|---|
| 1746 | search_comment_for_attribute(); |
|---|
| 1747 | |
|---|
| 1748 | TEST_ASSERT(!searchResult(!ATTR)); |
|---|
| 1749 | return searchResult(ATTR); |
|---|
| 1750 | } |
|---|
| 1751 | |
|---|
| 1752 | #define TEST_ATTR_____(comment,extracted) TEST_ASSERT_EQUAL(test_extract(true, comment), extracted) |
|---|
| 1753 | #define TEST_attribute(comment,extracted) TEST_ASSERT_EQUAL(test_extract(false, comment), extracted) |
|---|
| 1754 | |
|---|
| 1755 | #define TEST_both(c,e) do { TEST_attribute(c,e); TEST_ATTR_____(c,e); } while(0) |
|---|
| 1756 | |
|---|
| 1757 | void TEST_attribute_parser() { |
|---|
| 1758 | TEST_both("", (const char*)NULL); |
|---|
| 1759 | TEST_both("nothing here", (const char*)NULL); |
|---|
| 1760 | |
|---|
| 1761 | TEST_attribute("bla bla __attribute__(whatever) more content", "__attribute__(whatever)"); |
|---|
| 1762 | TEST_ATTR_____("bla bla __ATTR__DEPRECATED(\" my reason \") more content", "__ATTR__DEPRECATED(\" my reason \")"); |
|---|
| 1763 | TEST_ATTR_____("bla bla __ATTR__FORMAT(pos) more content", "__ATTR__FORMAT(pos)"); |
|---|
| 1764 | |
|---|
| 1765 | TEST_ATTR_____("__ATTR__DEPRECATED", "__ATTR__DEPRECATED"); |
|---|
| 1766 | TEST_ATTR_____("__ATTR__FORMAT(pos)", "__ATTR__FORMAT(pos)"); |
|---|
| 1767 | TEST_ATTR_____("bla __ATTR__FORMAT(pos)", "__ATTR__FORMAT(pos)"); |
|---|
| 1768 | TEST_ATTR_____("__ATTR__FORMAT(pos) bla", "__ATTR__FORMAT(pos)"); |
|---|
| 1769 | TEST_ATTR_____(" __ATTR__FORMAT(pos) ", "__ATTR__FORMAT(pos)"); |
|---|
| 1770 | |
|---|
| 1771 | TEST_ATTR_____("__ATTR__FORMAT((pos)", (const char*)NULL); |
|---|
| 1772 | TEST_ATTR_____("__attribute__(pos", (const char*)NULL); |
|---|
| 1773 | TEST_ATTR_____("__ATTR__FORMAT(pos))", "__ATTR__FORMAT(pos)"); |
|---|
| 1774 | TEST_ATTR_____("__ATTR__FORMAT((pos))", "__ATTR__FORMAT((pos))"); |
|---|
| 1775 | TEST_ATTR_____("__ATTR__FORMAT((pos)+((sop)))", "__ATTR__FORMAT((pos)+((sop)))"); |
|---|
| 1776 | TEST_ATTR_____("__ATTR__FORMAT(((pos)))+(sop))", "__ATTR__FORMAT(((pos)))"); |
|---|
| 1777 | |
|---|
| 1778 | TEST_ATTR_____("bla bla __ATTR__DEPRECATED __ATTR__FORMAT(pos) more content", "__ATTR__DEPRECATED __ATTR__FORMAT(pos)"); |
|---|
| 1779 | TEST_ATTR_____("bla __ATTR__DEPRECATED bla more__ATTR__FORMAT(pos)content", "__ATTR__DEPRECATED __ATTR__FORMAT(pos)"); |
|---|
| 1780 | |
|---|
| 1781 | TEST_ATTR_____(" goes to header: __ATTR__NORETURN */", "__ATTR__NORETURN"); |
|---|
| 1782 | |
|---|
| 1783 | clear_found_attribute(); |
|---|
| 1784 | } |
|---|
| 1785 | |
|---|
| 1786 | #endif |
|---|