X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=main.c;h=4c8062d7dcdb1b125101c77348c26952c9ac592c;hp=195574ea1538c737b65aeb0f7bb4207a5d3066c8;hb=61fa54318c3aa1ce0c2099f9793d830e5896c016;hpb=ea09553b322d3b788c07043291ae532afa9cba99

diff --git a/main.c b/main.c
index 195574e..4c8062d 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2012
  *     Dale Weiler
+ *     Wolfgang Bumiller
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -21,19 +22,602 @@
  * SOFTWARE.
  */
 #include "gmqcc.h"
+#include "lexer.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;
+bool        opts_dump     = false;
+bool        opts_werror   = false;
+bool        opts_forcecrc = false;
+bool        opts_pp_only  = false;
+size_t      opts_max_array_size = 1024;
+
+uint16_t    opts_forced_crc;
+
+static bool opts_output_wasset = false;
+
+/* set by the standard */
+const oper_info *operators      = NULL;
+size_t           operator_count = 0;
+
+typedef struct { char *filename; int type; } argitem;
+static argitem *items = NULL;
+
+#define TYPE_QC  0
+#define TYPE_ASM 1
+#define TYPE_SRC 2
+
+static const char *app_name;
+
+static int usage() {
+    con_out("usage: %s [options] [files...]", app_name);
+    con_out("options:\n"
+            "  -h, --help             show this help message\n"
+            "  -debug                 turns on compiler debug messages\n"
+            "  -memchk                turns on compiler memory leak check\n");
+    con_out("  -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");
+    con_out("  -E                     stop after preprocessing\n");
+    con_out("  -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");
+    con_out("  -W<warning>            enable a warning\n"
+            "  -Wno-<warning>         disable a warning\n"
+            "  -Wall                  enable all warnings\n"
+            "  -Werror                treat warnings as errors\n");
+    con_out("  -force-crc=num         force a specific checksum into the header\n");
+    con_out("\n");
+    con_out("flags:\n"
+            "  -fadjust-vector-fields\n"
+            "            when assigning a vector field, its _y and _z fields also get assigned\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 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
+}
+
+static bool options_parse(int argc, char **argv) {
+    bool argend = false;
+    size_t itr;
+    char  buffer[1024];
+    char *redirout = (char*)stdout;
+    char *redirerr = (char*)stderr;
+
+    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")) {
+                    options_set(opts_flags, ADJUST_VECTOR_FIELDS, true);
+                    opts_standard = COMPILER_GMQCC;
+                } else if (!strcmp(argarg, "qcc")) {
+                    options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
+                    opts_standard = COMPILER_QCC;
+                } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
+                    options_set(opts_flags, FTEPP,                true);
+                    options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
+                    opts_standard = COMPILER_FTEQCC;
+                } else if (!strcmp(argarg, "qccx")) {
+                    options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
+                    opts_standard = COMPILER_QCCX;
+                } else {
+                    con_out("Unknown standard: %s\n", argarg);
+                    return false;
+                }
+                continue;
+            }
+            if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
+                opts_forcecrc = true;
+                opts_forced_crc = strtol(argarg, NULL, 0);
+                continue;
+            }
+            if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
+                continue;
+            }
+            if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
+                continue;
+            }
+            
+            con_change(redirout, redirerr);
+
+            if (!strcmp(argv[0]+1, "debug")) {
+                opts_debug = true;
+                continue;
+            }
+            if (!strcmp(argv[0]+1, "dump")) {
+                opts_dump = true;
+                continue;
+            }
+            if (!strcmp(argv[0]+1, "memchk")) {
+                opts_memchk = true;
+                continue;
+            }
+            if (!strcmp(argv[0]+1, "nocolor")) {
+                con_color(0);
+                continue;
+            }
+
+            switch (argv[0][1]) {
+                /* -h, show usage but exit with 0 */
+                case 'h':
+                    usage();
+                    exit(0);
+                    break;
+
+                case 'E':
+                    opts_pp_only = true;
+                    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")) {
+                        con_out("Possible flags:\n");
+                        for (itr = 0; itr < COUNT_FLAGS; ++itr) {
+                            util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
+                            con_out(" -f%s\n", buffer);
+                        }
+                        exit(0);
+                    }
+                    else if (!strncmp(argv[0]+2, "NO_", 3)) {
+                        if (!options_setflag(argv[0]+5, false)) {
+                            con_out("unknown flag: %s\n", argv[0]+2);
+                            return false;
+                        }
+                    }
+                    else if (!options_setflag(argv[0]+2, true)) {
+                        con_out("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")) {
+                        con_out("Possible warnings:\n");
+                        for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
+                            util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
+                            con_out(" -W%s\n", buffer);
+                        }
+                        exit(0);
+                    }
+                    else if (!strcmp(argv[0]+2, "NO_ERROR")) {
+                        opts_werror = false;
+                        break;
+                    }
+                    else if (!strcmp(argv[0]+2, "ERROR")) {
+                        opts_werror = true;
+                        break;
+                    }
+                    else if (!strcmp(argv[0]+2, "NONE")) {
+                        for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
+                            opts_warn[itr] = 0;
+                        break;
+                    }
+                    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)) {
+                            con_out("unknown warning: %s\n", argv[0]+2);
+                            return false;
+                        }
+                    }
+                    else if (!options_setwarn(argv[0]+2, true)) {
+                        con_out("unknown warning: %s\n", argv[0]+2);
+                        return false;
+                    }
+                    break;
+
+                case 'O':
+                    if (!options_witharg(&argc, &argv, &argarg)) {
+                        con_out("option -O requires a numerical argument\n");
+                        return false;
+                    }
+                    opts_O = atoi(argarg);
+                    break;
+
+                case 'o':
+                    if (!options_witharg(&argc, &argv, &argarg)) {
+                        con_out("option -o requires an argument: the output file name\n");
+                        return false;
+                    }
+                    opts_output = argarg;
+                    opts_output_wasset = true;
+                    break;
+
+                case 'a':
+                case 's':
+                    item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
+                    if (!options_witharg(&argc, &argv, &argarg)) {
+                        con_out("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;
+                    vec_push(items, 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;
+                            opts_output_wasset = true;
+                        } else {
+                            con_out("Unknown parameter: %s\n", argv[0]);
+                            return false;
+                        }
+                    }
+                    break;
+
+                default:
+                    con_out("Unknown parameter: %s\n", argv[0]);
+                    return false;
+            }
+        }
+        else
+        {
+            /* it's a QC filename */
+            argitem item;
+            item.filename = argv[0];
+            item.type     = TYPE_QC;
+            vec_push(items, item);
+        }
+    }
+    return true;
+}
+
+/* returns the line number, or -1 on error */
+static bool progs_nextline(char **out, size_t *alen,FILE *src) {
+    int    len;
+    char  *line;
+    char  *start;
+    char  *end;
+
+    line = *out;
+    len = util_getline(&line, alen, src);
+    if (len == -1)
+        return false;
+
+    /* start at first non-blank */
+    for (start = line; isspace(*start); ++start) {}
+    /* end at the first non-blank */
+    for (end = start;  *end && !isspace(*end);  ++end)   {}
+
+    *out = line;
+    /* move the actual filename to the beginning */
+    while (start != end) {
+        *line++ = *start++;
+    }
+    *line = 0;
+    return true;
+}
 
-bool parser_compile(const char *filename);
 int main(int argc, char **argv) {
+    size_t itr;
+    int retval = 0;
+    bool opts_output_free = false;
+    bool progs_src = false;
+    FILE *outfile = NULL;
+
+    app_name = argv[0];
+    con_init();
+
+    /* default options / warn flags */
+    options_set(opts_warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
+    options_set(opts_warn, WARN_EXTENSIONS, true);
+    options_set(opts_warn, WARN_FIELD_REDECLARED, true);
+    options_set(opts_warn, WARN_TOO_FEW_PARAMETERS, true);
+    options_set(opts_warn, WARN_MISSING_RETURN_VALUES, true);
+    options_set(opts_warn, WARN_USED_UNINITIALIZED, true);
+    options_set(opts_warn, WARN_LOCAL_CONSTANTS, true);
+    options_set(opts_warn, WARN_VOID_VARIABLES, true);
+    options_set(opts_warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
+    options_set(opts_warn, WARN_VARIADIC_FUNCTION, true);
+    options_set(opts_warn, WARN_FRAME_MACROS, true);
+    options_set(opts_warn, WARN_UNUSED_VARIABLE, true);
+    options_set(opts_warn, WARN_EFFECTLESS_STATEMENT, true);
+    options_set(opts_warn, WARN_END_SYS_FIELDS, true);
+    options_set(opts_warn, WARN_ASSIGN_FUNCTION_TYPES, true);
+    options_set(opts_warn, WARN_PREPROCESSOR, true);
+    options_set(opts_warn, WARN_MULTIFILE_IF, true);
+
+    options_set(opts_flags, ADJUST_VECTOR_FIELDS, true);
+    options_set(opts_flags, FTEPP, false);
+
+    if (!options_parse(argc, argv)) {
+        return usage();
+    }
+
+    /* the standard decides which set of operators to use */
+    if (opts_standard == COMPILER_GMQCC) {
+        operators = c_operators;
+        operator_count = c_operator_count;
+    } else {
+        operators = qcc_operators;
+        operator_count = qcc_operator_count;
+    }
+
+    if (opts_dump) {
+        for (itr = 0; itr < COUNT_FLAGS; ++itr) {
+            con_out("Flag %s = %i\n", opts_flag_list[itr].name, OPTS_FLAG(itr));
+        }
+        for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
+            con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
+        }
+        con_out("output = %s\n", opts_output);
+        con_out("optimization level = %i\n", (int)opts_O);
+        con_out("standard = %i\n", opts_standard);
+    }
+
+    if (opts_pp_only) {
+        if (opts_output_wasset) {
+            outfile = util_fopen(opts_output, "wb");
+            if (!outfile) {
+                con_err("failed to open `%s` for writing\n", opts_output);
+                retval = 1;
+                goto cleanup;
+            }
+        }
+        else
+            outfile = stdout;
+    }
+
+    if (!opts_pp_only) {
+        if (!parser_init()) {
+            con_err("failed to initialize parser\n");
+            retval = 1;
+            goto cleanup;
+        }
+    }
+    if (opts_pp_only || OPTS_FLAG(FTEPP)) {
+        if (!ftepp_init()) {
+            con_err("failed to initialize parser\n");
+            retval = 1;
+            goto cleanup;
+        }
+    }
+
     util_debug("COM", "starting ...\n");
 
-    if (argc == 2) {
-        if (!parser_compile(argv[1])) {
-            printf("There were compile errors\n");
+    if (!vec_size(items)) {
+        FILE *src;
+        char *line;
+        size_t linelen = 0;
+
+        progs_src = true;
+
+        src = util_fopen("progs.src", "rb");
+        if (!src) {
+            con_err("failed to open `progs.src` for reading\n");
+            retval = 1;
+            goto cleanup;
+        }
+
+        line = NULL;
+        if (!progs_nextline(&line, &linelen, src) || !line[0]) {
+            con_err("illformatted progs.src file: expected output filename in first line\n");
+            retval = 1;
+            goto srcdone;
+        }
+
+        if (!opts_output_wasset) {
+            opts_output = util_strdup(line);
+            opts_output_free = true;
+        }
+
+        while (progs_nextline(&line, &linelen, src)) {
+            argitem item;
+            if (!line[0] || (line[0] == '/' && line[1] == '/'))
+                continue;
+            item.filename = util_strdup(line);
+            item.type     = TYPE_QC;
+            vec_push(items, item);
+        }
+
+srcdone:
+        fclose(src);
+        mem_d(line);
+    }
+
+    if (retval)
+        goto cleanup;
+
+    if (vec_size(items)) {
+        if (!opts_pp_only) {
+            con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
+            con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
+        }
+        for (itr = 0; itr < vec_size(items); ++itr) {
+            if (!opts_pp_only) {
+                con_out("  item: %s (%s)\n",
+                       items[itr].filename,
+                       ( (items[itr].type == TYPE_QC ? "qc" :
+                         (items[itr].type == TYPE_ASM ? "asm" :
+                         (items[itr].type == TYPE_SRC ? "progs.src" :
+                         ("unknown"))))));
+            }
+
+            if (opts_pp_only) {
+                if (!ftepp_preprocess_file(items[itr].filename)) {
+                    retval = 1;
+                    goto cleanup;
+                }
+                fprintf(outfile, "%s", ftepp_get());
+                ftepp_flush();
+            }
+            else {
+                if (OPTS_FLAG(FTEPP)) {
+                    const char *data;
+                    if (!ftepp_preprocess_file(items[itr].filename)) {
+                        retval = 1;
+                        goto cleanup;
+                    }
+                    data = ftepp_get();
+                    if (!parser_compile_string_len(items[itr].filename, data, vec_size(data)-1)) {
+                        retval = 1;
+                        goto cleanup;
+                    }
+                    ftepp_flush();
+                }
+                else {
+                    if (!parser_compile_file(items[itr].filename)) {
+                        retval = 1;
+                        goto cleanup;
+                    }
+                }
+            }
+
+            if (progs_src) {
+                mem_d(items[itr].filename);
+                items[itr].filename = NULL;
+            }
+        }
+
+        ftepp_finish();
+        if (!opts_pp_only) {
+            if (!parser_finish(opts_output)) {
+                retval = 1;
+                goto cleanup;
+            }
         }
     }
 
+    /* stuff */
+
+cleanup:
     util_debug("COM", "cleaning ...\n");
+    ftepp_finish();
+    con_close();
+    vec_free(items);
+
+    if (!opts_pp_only)
+        parser_cleanup();
+    if (opts_output_free)
+        mem_d((char*)opts_output);
 
+    lex_cleanup();
     util_meminfo();
-    return 0;
+    return retval;
 }