X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=main.c;h=bef80723632b9176167b9cf3d4ee939aecca124e;hp=195574ea1538c737b65aeb0f7bb4207a5d3066c8;hb=6759c3633b0d2d18f776d5798af889566d86f00e;hpb=f103544c95f7bda51446ab5f34d15a84fbf3d1bb

diff --git a/main.c b/main.c
index 195574e..bef8072 100644
--- a/main.c
+++ b/main.c
@@ -22,18 +22,368 @@
  */
 #include "gmqcc.h"
 
+uint32_t    opts_flags[1 + (COUNT_FLAGS / 32)];
+uint32_t    opts_warn [1 + (COUNT_WARNINGS / 32)];
+
+uint32_t    opts_O        = 1;
+const char *opts_output   = "progs.dat";
+int         opts_standard = COMPILER_GMQCC;
+bool        opts_debug    = false;
+bool        opts_memchk   = false;
+
+typedef struct { char *filename; int type; } argitem;
+VECTOR_MAKE(argitem, items);
+
+#define TYPE_QC  0
+#define TYPE_ASM 1
+#define TYPE_SRC 2
+
+static const char *app_name;
+
+static int usage() {
+    printf("usage: %s [options] [files...]", app_name);
+    printf("options:\n"
+           "  -h, --help             show this help message\n"
+           "  -debug                 turns on compiler debug messages\n"
+           "  -memchk                turns on compiler memory leak check\n");
+    printf("  -o, --output=file      output file, defaults to progs.dat\n"
+           "  -a filename            add an asm file to be assembled\n"
+           "  -s filename            add a progs.src file to be used\n");
+    printf("  -f<flag>               enable a flag\n"
+           "  -fno-<flag>            disable a flag\n"
+           "  -std standard          select one of the following standards\n"
+           "       -std=qcc          original QuakeC\n"
+           "       -std=fteqcc       fteqcc QuakeC\n"
+           "       -std=gmqcc        this compiler (default)\n");
+    printf("  -W<warning>            enable a warning\n"
+           "  -Wno-<warning>         disable a warning\n"
+           "  -Wall                  enable all warnings\n");
+    printf("\n");
+    printf("flags:\n"
+           "  -fdarkplaces-string-table-bug\n"
+           "            patch the string table to work with some bugged darkplaces versions\n"
+           "  -fomit-nullbytes\n"
+           "            omits certain null-bytes for a smaller output - requires a patched engine\n"
+           );
+    return -1;
+}
+
+static bool options_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
+    size_t i;
+
+    for (i = 0; i < listsize; ++i) {
+        if (!strcmp(name, list[i].name)) {
+            longbit lb = list[i].bit;
+#if 0
+            if (on)
+                flags[lb.idx] |= (1<<(lb.bit));
+            else
+                flags[lb.idx] &= ~(1<<(lb.bit));
+#else
+            if (on)
+                flags[0] |= (1<<lb);
+            else
+                flags[0] &= ~(1<<(lb));
+#endif
+            return true;
+        }
+    }
+    return false;
+}
+static bool options_setflag(const char *name, bool on) {
+    return options_setflag_all(name, on, opts_flags, opts_flag_list, COUNT_FLAGS);
+}
+static bool options_setwarn(const char *name, bool on) {
+    return options_setflag_all(name, on, opts_warn, opts_warn_list, COUNT_WARNINGS);
+}
+
+static bool options_witharg(int *argc_, char ***argv_, char **out) {
+    int  argc   = *argc_;
+    char **argv = *argv_;
+
+    if (argv[0][2]) {
+        *out = argv[0]+2;
+        return true;
+    }
+    /* eat up the next */
+    if (argc < 2) /* no parameter was provided */
+        return false;
+
+    *out = argv[1];
+    --*argc_;
+    ++*argv_;
+    return true;
+}
+
+static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
+    int  argc   = *argc_;
+    char **argv = *argv_;
+
+    size_t len = strlen(optname);
+
+    if (strncmp(argv[0]+ds, optname, len))
+        return false;
+
+    /* it's --optname, check how the parameter is supplied */
+    if (argv[0][ds+len] == '=') {
+        /* using --opt=param */
+        *out = argv[0]+ds+len+1;
+        return true;
+    }
+
+    if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
+        return false;
+
+    /* using --opt param */
+    *out = argv[1];
+    --*argc_;
+    ++*argv_;
+    return true;
+}
+static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
+    return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
+}
+static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
+    return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
+}
+
+static bool options_parse(int argc, char **argv) {
+    bool argend = false;
+    size_t itr;
+    char buffer[1024];
+    while (!argend && argc > 1) {
+        char *argarg;
+        argitem item;
+
+        ++argv;
+        --argc;
+
+        if (argv[0][0] == '-') {
+    /* All gcc-type long options */
+            if (options_long_gcc("std", &argc, &argv, &argarg)) {
+                if      (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default"))
+                    opts_standard = COMPILER_GMQCC;
+                else if (!strcmp(argarg, "qcc"))
+                    opts_standard = COMPILER_QCC;
+                else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc"))
+                    opts_standard = COMPILER_FTEQCC;
+                else if (!strcmp(argarg, "qccx"))
+                    opts_standard = COMPILER_QCCX;
+                else {
+                    printf("Unknown standard: %s\n", argarg);
+                    return false;
+                }
+                continue;
+            }
+            if (!strcmp(argv[0]+1, "debug")) {
+                opts_debug = true;
+                continue;
+            }
+            if (!strcmp(argv[0]+1, "memchk")) {
+                opts_memchk = true;
+                continue;
+            }
+
+            switch (argv[0][1]) {
+                /* -h, show usage but exit with 0 */
+                case 'h':
+                    usage();
+                    exit(0);
+                    break;
+
+                /* handle all -fflags */
+                case 'f':
+                    util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
+                    if (!strcmp(argv[0]+2, "HELP")) {
+                        printf("Possible flags:\n");
+                        for (itr = 0; itr < COUNT_FLAGS; ++itr) {
+                            util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
+                            printf(" -f%s\n", buffer);
+                        }
+                        exit(0);
+                    }
+                    else if (!strncmp(argv[0]+2, "NO_", 3)) {
+                        if (!options_setflag(argv[0]+5, false)) {
+                            printf("unknown flag: %s\n", argv[0]+2);
+                            return false;
+                        }
+                    }
+                    else if (!options_setflag(argv[0]+2, true)) {
+                        printf("unknown flag: %s\n", argv[0]+2);
+                        return false;
+                    }
+                    break;
+                case 'W':
+                    util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
+                    if (!strcmp(argv[0]+2, "HELP")) {
+                        printf("Possible warnings:\n");
+                        for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
+                            util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
+                            printf(" -W%s\n", buffer);
+                        }
+                        exit(0);
+                    }
+                    else if (!strcmp(argv[0]+2, "ALL")) {
+                        for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
+                            opts_warn[itr] = 0xFFFFFFFFL;
+                        break;
+                    }
+                    if (!strncmp(argv[0]+2, "NO_", 3)) {
+                        if (!options_setwarn(argv[0]+5, false)) {
+                            printf("unknown warning: %s\n", argv[0]+2);
+                            return false;
+                        }
+                    }
+                    else if (!options_setwarn(argv[0]+2, true)) {
+                        printf("unknown warning: %s\n", argv[0]+2);
+                        return false;
+                    }
+                    break;
+
+                case 'O':
+                    if (!options_witharg(&argc, &argv, &argarg)) {
+                        printf("option -O requires a numerical argument\n");
+                        return false;
+                    }
+                    opts_O = atoi(argarg);
+                    break;
+
+                case 'o':
+                    if (!options_witharg(&argc, &argv, &argarg)) {
+                        printf("option -o requires an argument: the output file name\n");
+                        return false;
+                    }
+                    opts_output = argarg;
+                    break;
+
+                case 'a':
+                case 's':
+                    item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
+                    if (!options_witharg(&argc, &argv, &argarg)) {
+                        printf("option -a requires a filename %s\n",
+                                (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
+                        return false;
+                    }
+                    item.filename = argarg;
+                    items_add(item);
+                    break;
+
+                case '-':
+                    if (!argv[0][2]) {
+                        /* anything following -- is considered a non-option argument */
+                        argend = true;
+                        break;
+                    }
+            /* All long options without arguments */
+                    else if (!strcmp(argv[0]+2, "help")) {
+                        usage();
+                        exit(0);
+                    }
+                    else {
+            /* All long options with arguments */
+                        if (options_long_witharg("output", &argc, &argv, &argarg))
+                            opts_output = argarg;
+                        else
+                        {
+                            printf("Unknown parameter: %s\n", argv[0]);
+                            return false;
+                        }
+                    }
+                    break;
+
+                default:
+                    printf("Unknown parameter: %s\n", argv[0]);
+                    return false;
+            }
+        }
+        else
+        {
+            /* it's a QC filename */
+            argitem item;
+            item.filename = argv[0];
+            item.type     = TYPE_QC;
+            items_add(item);
+        }
+    }
+    return true;
+}
+
+static void options_set(uint32_t *flags, size_t idx, bool on)
+{
+    longbit lb = LONGBIT(idx);
+#if 0
+    if (on)
+        flags[lb.idx] |= (1<<(lb.bit));
+    else
+        flags[lb.idx] &= ~(1<<(lb.bit));
+#else
+    if (on)
+        flags[0] |= (1<<(lb));
+    else
+        flags[0] &= ~(1<<(lb));
+#endif
+}
+
+bool parser_init();
 bool parser_compile(const char *filename);
+bool parser_finish(const char *output);
+void parser_cleanup();
+
 int main(int argc, char **argv) {
+    size_t itr;
+    app_name = argv[0];
+
+    /* default options / warn flags */
+    options_set(opts_warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
+
+    if (!options_parse(argc, argv)) {
+        return usage();
+    }
+
+    for (itr = 0; itr < COUNT_FLAGS; ++itr) {
+        printf("Flag %s = %i\n", opts_flag_list[itr].name, OPTS_FLAG(itr));
+    }
+    for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
+        printf("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
+    }
+    printf("output = %s\n", opts_output);
+    printf("optimization level = %i\n", (int)opts_O);
+    printf("standard = %i\n", opts_standard);
+
+    if (!parser_init()) {
+        printf("failed to initialize parser\n");
+        goto cleanup;
+    }
+
     util_debug("COM", "starting ...\n");
 
-    if (argc == 2) {
-        if (!parser_compile(argv[1])) {
-            printf("There were compile errors\n");
+    if (items_elements) {
+        printf("Mode: manual\n");
+        printf("There are %lu items to compile:\n", (unsigned long)items_elements);
+        for (itr = 0; itr < items_elements; ++itr) {
+            printf("  item: %s (%s)\n",
+                   items_data[itr].filename,
+                   ( (items_data[itr].type == TYPE_QC ? "qc" :
+                     (items_data[itr].type == TYPE_ASM ? "asm" :
+                     (items_data[itr].type == TYPE_SRC ? "progs.src" :
+                     ("unknown"))))));
+
+            if (!parser_compile(items_data[itr].filename))
+                goto cleanup;
         }
+
+        parser_finish(opts_output);
+    } else {
+        printf("Mode: progs.src - not implemented\n");
     }
 
+    /* stuff */
+
+cleanup:
     util_debug("COM", "cleaning ...\n");
 
+    parser_cleanup();
+
     util_meminfo();
     return 0;
 }