X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=main.c;h=06e036d280e64d0c6a6aca45727e5e4e8acbe491;hb=d96fd2d9b881fc7d9339cddbdd7cf8fbd4acf05f;hp=a8832864e9b12a8d564b92d628df142e208c5c49;hpb=488859a218f03f4ca6427128e84aa30d8d8bbfba;p=xonotic%2Fgmqcc.git

diff --git a/main.c b/main.c
index a883286..06e036d 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 
+ * Copyright (C) 2012
  *     Dale Weiler
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -21,157 +21,373 @@
  * SOFTWARE.
  */
 #include "gmqcc.h"
-// todo CLEANUP this argitem thing
-typedef struct { char *name, type; } argitem;
+
+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);
 
-/* global options */
-bool opts_debug                     = false;
-bool opts_memchk                    = false;
-bool opts_darkplaces_stringtablebug = false;
-bool opts_omit_nullcode             = false;
-int  opts_compiler                  = COMPILER_GMQCC;
-
-static const int usage(const char *const app) {
-    printf("usage:\n"
-           "    %s -c<file>          -oprog.dat -- compile file\n"
-           "    %s -a<file>          -oprog.dat -- assemble file\n"
-           "    %s -c<file> -i<file> -oprog.dat -- compile together (allowed multiple -i<file>)\n"
-           "    %s -a<file> -i<file> -oprog.dat -- assemble together(allowed multiple -i<file>)\n"
-           "    example:\n"
-           "    %s -cfoo.qc -ibar.qc -oqc.dat -afoo.qs -ibar.qs -oqs.dat\n"
-           "    additional flags:\n"
-           "        -debug           -- turns on compiler debug messages\n"
-           "        -memchk          -- turns on compiler memory leak check\n"
-           "        -help            -- prints this help/usage text\n"
-           "        -std             -- select the QuakeC compile type (types below):\n"
-           "            -std=qcc     -- original QuakeC\n"
-           "            -std=ftqecc  -- fteqcc QuakeC\n"
-           "            -std=qccx    -- qccx QuakeC\n"
-           "            -std=gmqcc   -- this compiler QuakeC (default selection)\n"
-           "    codegen flags:\n"
-           "        -fdarkplaces-string-table-bug -- patches the string table to work with bugged versions of darkplaces\n"
-           "        -fomit-nullcode               -- omits the generation of null code (will break everywhere see propsal.txt)\n",
-            app,app,app,app,app
-    );
+#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;
 }
 
-int main(int argc, char **argv) {
-    size_t    itr = 0;
-    char     *app = &argv[0][0];
-    FILE     *fpp = NULL;
-    lex_file *lex = NULL;
-
-    /*
-     * Parse all command line arguments.  This is rather annoying to do
-     * because of all tiny corner cases.
-     */
-    if (argc <= 1 || (argv[1][0] != '-'))
-        return usage(app);
-
-    while ((argc > 1) && argv[1][0] == '-') {
-        switch (argv[1][1]) {
-            case 'v': {
-                printf("GMQCC:\n"
-                       "    version:    %d.%d.%d (0x%08X)\n"
-                       "    build date: %s\n"
-                       "    build time: %s\n",
-                    (GMQCC_VERSION >> 16) & 0xFF,
-                    (GMQCC_VERSION >>  8) & 0xFF,
-                    (GMQCC_VERSION >>  0) & 0xFF,
-                    (GMQCC_VERSION),
-                    __DATE__,
-                    __TIME__
-                );
-                return 0;
+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;
             }
-#define param_argument(argtype) do {                             \
-    if (argv[1][2])                                              \
-        items_add((argitem){util_strdup(&argv[1][2]), argtype}); \
-    else {                                                       \
-        ++argv; --argc;                                          \
-        if (argc <= 1)                                           \
-            goto clean_params_usage;                             \
-        items_add((argitem){util_strdup(&argv[1][0]), argtype}); \
-    }                                                            \
-} while (0)
-
-            case 'c': param_argument(0); break; /* compile */
-            case 'a': param_argument(1); break; /* assemble */
-            case 'i': param_argument(2); break; /* includes */
-            default:
-                if (!strncmp(&argv[1][1], "debug" , 5)) { opts_debug  = true; break; }
-                if (!strncmp(&argv[1][1], "memchk", 6)) { opts_memchk = true; break; }
-                if (!strncmp(&argv[1][1], "help",   4)) {
-                    return usage(app);
+            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;
-                }
-                /* compiler type selection */
-                if (!strncmp(&argv[1][1], "std=qcc"   , 7 )) { opts_compiler = COMPILER_QCC;    break; }
-                if (!strncmp(&argv[1][1], "std=fteqcc", 10)) { opts_compiler = COMPILER_FTEQCC; break; }
-                if (!strncmp(&argv[1][1], "std=qccx",   8 )) { opts_compiler = COMPILER_QCCX;   break; }
-                if (!strncmp(&argv[1][1], "std=gmqcc",  9 )) { opts_compiler = COMPILER_GMQCC;  break; }
-                if (!strncmp(&argv[1][1], "std=",       4 )) {
-                    printf("invalid std selection, supported types:\n"
-                           "    -std=qcc     -- original QuakeC\n"
-                           "    -std=ftqecc  -- fteqcc QuakeC\n"
-                           "    -std=qccx    -- qccx QuakeC\n"
-                           "    -std=gmqcc   -- this compiler QuakeC (default selection)\n");
-                    return 0;
-                }
 
-                /* code specific switches */
-                if (!strcmp(&argv[1][1], "fdarkplaces-stringtablebug")) {
-                    opts_darkplaces_stringtablebug = true;
+                /* 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;
-                }
-                if (!strcmp(&argv[1][1], "fomit-nullcode")) {
-                    opts_omit_nullcode = true;
+                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;
-                }
-                return usage(app);
-                
+
+                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;
+            }
         }
-        ++argv;
-        --argc;
+        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;
+    int retval = 0;
+    app_name = argv[0];
+
+    /* default options / warn flags */
+    options_set(opts_warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
+    options_set(opts_warn, WARN_EXTENSIONS, 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);
 
-    /*
-     * options could depend on another option, this is where option
-     * validity checking like that would take place.
-     */
-    if (opts_memchk && !opts_debug) 
-        printf("Warning: cannot enable -memchk, without -debug.\n");
+    if (!parser_init()) {
+        printf("failed to initialize parser\n");
+        goto cleanup;
+    }
 
     util_debug("COM", "starting ...\n");
-    /* multi file multi path compilation system */
-    for (; itr < items_elements; itr++) {
-        switch (items_data[itr].type) {
-            case 0:
-                lex_init (items_data[itr].name, &lex);
-                lex_parse(lex);
-                lex_close(lex);
-                break;
-            case 1:
-                asm_init (items_data[itr].name, &fpp);
-                asm_parse(fpp);
-                asm_close(fpp);
-                break;
+
+    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)) {
+                retval = 1;
+                goto cleanup;
+            }
         }
+
+        parser_finish(opts_output);
+    } else {
+        printf("Mode: progs.src - not implemented\n");
     }
 
-    util_debug("COM", "cleaning ...\n"); 
-    /* clean list */
-    for (itr = 0; itr < items_elements; itr++)
-        mem_d(items_data[itr].name);
-    mem_d(items_data);
-    
+    /* stuff */
+
+cleanup:
+    util_debug("COM", "cleaning ...\n");
+
+    parser_cleanup();
+
     util_meminfo();
-    return 0;
-clean_params_usage:
-    for (itr = 0; itr < items_elements; itr++)
-        mem_d(items_data[itr].name);
-    mem_d(items_data);
-    return usage(app);
+    return retval;
 }