/* * Copyright (C) 2012, 2013 * 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 * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished to do * so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef GMQCC_HDR #define GMQCC_HDR #include #include /* TODO: remove this */ /* * Disable some over protective warnings in visual studio because fixing them is a waste * of my time. */ #ifdef _MSC_VER # pragma warning(disable : 4244 ) /* conversion from 'int' to 'float', possible loss of data */ #endif /*! _MSC_VER */ #define GMQCC_VERSION_MAJOR 0 #define GMQCC_VERSION_MINOR 4 #define GMQCC_VERSION_PATCH 0 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P)) #define GMQCC_VERSION \ GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH) /* Undefine the following on a release-tag: */ #define GMQCC_VERSION_TYPE_DEVEL /* Full version string in case we need it */ #ifdef GMQCC_VERSION_TYPE_DEVEL # ifdef GMQCC_GITINFO # define GMQCC_DEV_VERSION_STRING "git build: " GMQCC_GITINFO "\n" # elif defined(GMQCC_VERSION_TYPE_DEVEL) # define GMQCC_DEV_VERSION_STRING "development build\n" # else # define GMQCC_DEV_VERSION_STRING # endif /*! GMQCC_GITINGO */ #else # define GMQCC_DEV_VERSION_STRING #endif #define GMQCC_STRINGIFY(x) #x #define GMQCC_IND_STRING(x) GMQCC_STRINGIFY(x) #define GMQCC_FULL_VERSION_STRING \ "GMQCC " \ GMQCC_IND_STRING(GMQCC_VERSION_MAJOR) "." \ GMQCC_IND_STRING(GMQCC_VERSION_MINOR) "." \ GMQCC_IND_STRING(GMQCC_VERSION_PATCH) \ " Built " __DATE__ " " __TIME__ \ "\n" GMQCC_DEV_VERSION_STRING /* * We cannot rely on C99 at all, since compilers like MSVC * simply don't support it. We define our own boolean type * as a result (since we cannot include ). For * compilers that are in 1999 mode (C99 compliant) we can use * the language keyword _Bool which can allow for better code * on GCC and GCC-like compilers, opposed to `int`. */ #ifndef __cplusplus # ifdef false # undef false # endif /*! false */ # ifdef true # undef true # endif /*! true */ # define false (unsigned)(0) # define true (unsigned)(1) # ifdef __STDC_VERSION__ # if __STDC_VERSION__ < 199901L && __GNUC__ < 3 typedef int bool; # else typedef _Bool bool; # endif /*! __STDC_VERSION__ < 199901L && __GNUC__ < 3 */ # else typedef int bool; # endif /*! __STDC_VERSION__ */ #endif /*! __cplusplus */ /* * Of some functions which are generated we want to make sure * that the result isn't ignored. To find such function calls, * we use this macro. */ #if defined(__GNUC__) || defined(__CLANG__) # define GMQCC_WARN __attribute__((warn_unused_result)) # define GMQCC_USED __attribute__((used)) #else # define GMQCC_WARN # define GMQCC_USED #endif /*! defined(__GNUC__) || defined (__CLANG__) */ /* * Inline is not supported in < C90, however some compilers * like gcc and clang might have an inline attribute we can * use if present. */ #ifdef __STDC_VERSION__ # if __STDC_VERSION__ < 199901L # if defined(__GNUC__) || defined (__CLANG__) # if __GNUC__ < 2 # define GMQCC_INLINE # else # define GMQCC_INLINE __attribute__ ((always_inline)) # endif /*! __GNUC__ < 2 */ # else # define GMQCC_INLINE # endif /*! defined(__GNUC__) || defined (__CLANG__) */ # else # define GMQCC_INLINE inline # endif /*! __STDC_VERSION < 199901L */ /* * Visual studio has __forcinline we can use. So lets use that * I suspect it also has just __inline of some sort, but our use * of inline is correct (not guessed), WE WANT IT TO BE INLINE */ #elif defined(_MSC_VER) # define GMQCC_INLINE __forceinline #else # define GMQCC_INLINE #endif /*! __STDC_VERSION__ */ /* * noreturn is present in GCC and clang * it's required for _ast_node_destory otherwise -Wmissing-noreturn * in clang complains about there being no return since abort() is * called. */ #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__) # define GMQCC_NORETURN __attribute__ ((noreturn)) #else # define GMQCC_NORETURN #endif /*! (defined(__GNUC__) && __GNUC__ >= 2) || defined (__CLANG__) */ #if (defined(__GNUC__)) || defined(__CLANG__) # define GMQCC_LIKELY(X) __builtin_expect((X), 1) # define GMQCC_UNLIKELY(X) __builtin_expect((X), 0) #else # define GMQCC_LIKELY(X) (X) # define GMQCC_UNLIKELY(X) (X) #endif #define GMQCC_ARRAY_COUNT(X) (sizeof(X) / sizeof((X)[0])) #ifndef _MSC_VER # include #else typedef unsigned __int8 uint8_t; typedef unsigned __int16 uint16_t; typedef unsigned __int32 uint32_t; typedef unsigned __int64 uint64_t; typedef __int16 int16_t; typedef __int32 int32_t; typedef __int64 int64_t; #endif /*! _MSC_VER */ /* * Very roboust way at determining endianess at compile time: this handles * almost every possible situation. Otherwise a runtime check has to be * performed. */ #define GMQCC_BYTE_ORDER_LITTLE 1234 #define GMQCC_BYTE_ORDER_BIG 4321 #if defined (__GNUC__) || defined (__GNU_LIBRARY__) # if defined (__FreeBSD__) || defined (__OpenBSD__) # include # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__) # include # elif defined (__APPLE__) # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) # define BIG_ENDIAN # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN) # define LITTLE_ENDIAN # endif /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */ # elif !defined (__MINGW32__) # include # if !defined (__BEOS__) # include # endif /*! !definde (__BEOS__) */ # endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */ #endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */ #if !defined(PLATFORM_BYTE_ORDER) # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN) # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG # endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */ # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN) # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG # endif /*! defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) */ # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__) # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG # endif /*! defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) */ # endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */ #endif /*! !defined(PLATFORM_BYTE_ORDER) */ #if !defined (PLATFORM_BYTE_ORDER) # if defined (__alpha__) || defined (__alpha) || defined (i386) || \ defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \ defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \ defined (vax) || defined (vms) || defined (VMS) || \ defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \ defined (_M_X64) || defined (__i386) || defined (__x86_64) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \ defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \ defined (ibm370) || defined (mc68000) || defined (m68k) || \ defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \ defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \ defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \ defined (__PPC__) || defined (__PPC) || defined (PPC) # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG # else # define PLATFORM_BYTE_ORDER -1 # endif #endif /*! !defined (PLATFORM_BYTE_ORDER) */ /* * On windows systems where we're not compiling with MING32 we need a * little extra help on dependinces for implementing our own dirent.h * in fs.c. */ #if defined(_WIN32) && !defined(__MINGW32__) # define _WIN32_LEAN_AND_MEAN # include # include # include struct dirent { long d_ino; unsigned short d_reclen; unsigned short d_namlen; char d_name[FILENAME_MAX]; }; typedef struct { struct _finddata_t dd_dta; struct dirent dd_dir; long dd_handle; int dd_stat; char dd_name[1]; } DIR; /* * Visual studio also lacks S_ISDIR for sys/stat.h, so we emulate this as well * which is not hard at all. */ # ifdef S_ISDIR # undef S_ISDIR # endif /*! S_ISDIR */ # define S_ISDIR(X) ((X)&_S_IFDIR) #else # include #endif /*! _WIN32 && !defined(__MINGW32__) */ /*===================================================================*/ /*=========================== stat.c ================================*/ /*===================================================================*/ void stat_info (void); char *stat_mem_strdup (const char *, size_t, const char *, bool); void *stat_mem_reallocate(void *, size_t, size_t, const char *); void stat_mem_deallocate(void *); void *stat_mem_allocate (size_t, size_t, const char *); #define mem_a(SIZE) stat_mem_allocate ((SIZE), __LINE__, __FILE__) #define mem_d(PTRN) stat_mem_deallocate((void*)(PTRN)) #define mem_r(PTRN, SIZE) stat_mem_reallocate((void*)(PTRN), (SIZE), __LINE__, __FILE__) #define mem_af(SIZE, FILE, LINE) stat_mem_allocate ((SIZE), (LINE), (FILE)) /* TODO: rename to mem variations */ #define util_strdup(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, false) #define util_strdupe(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, true) /*===================================================================*/ /*=========================== util.c ================================*/ /*===================================================================*/ /* * Microsoft implements against the spec versions of ctype.h. Which * means what ever the current set locale is will render the actual * results of say isalpha('A') wrong for what ever retarded locale * is used. Simalerly these are also implemented inefficently on * some toolchains and end up becoming actual library calls. Perhaps * this is why tools like yacc provide their own? Regardless implementing * these as functions is equally as silly, the call overhead is not * justified when this could happen on every character from an input * stream. We provide our own as macros for absolute inlinability. */ #define util_isalpha(a) ((((unsigned)(a)|32)-'a') < 26) #define util_isdigit(a) (((unsigned)(a)-'0') < 10) #define util_islower(a) (((unsigned)(a)-'a') < 26) #define util_isupper(a) (((unsigned)(a)-'A') < 26) #define util_isprint(a) (((unsigned)(a)-0x20) < 0x5F) #define util_isspace(a) (((a) >= 9 && (a) <= 13) || (a) == ' ') bool util_filexists (const char *); bool util_strupper (const char *); bool util_strdigit (const char *); void util_endianswap (void *, size_t, unsigned int); size_t util_strtocmd (const char *, char *, size_t); size_t util_strtononcmd (const char *, char *, size_t); size_t util_optimizationtostr(const char *, char *, size_t); uint16_t util_crc16(uint16_t crc, const char *data, size_t len); void util_seed(uint32_t); uint32_t util_rand(void); /* * String functions (formatting, copying, concatenating, errors). These are wrapped * to use the MSVC _safe_ versions when using MSVC, plus some implementations of * these are non-conformant or don't exist such as asprintf and snprintf, which are * not supported in C90, but do exist in C99. */ int util_vasprintf(char **ret, const char *fmt, va_list); int util_asprintf (char **ret, const char *fmt, ...); int util_snprintf (char *src, size_t bytes, const char *format, ...); char *util_strcat (char *dest, const char *src); char *util_strncpy (char *dest, const char *src, size_t num); const char *util_strerror (int num); /* * A flexible vector implementation: all vector pointers contain some * data about themselfs exactly - sizeof(vector_t) behind the pointer * this data is represented in the structure below. Doing this allows * us to use the array [] to access individual elements from the vector * opposed to using set/get methods. */ typedef struct { size_t allocated; size_t used; /* can be extended now! whoot */ } vector_t; /* hidden interface */ void _util_vec_grow(void **a, size_t i, size_t s); #define GMQCC_VEC_WILLGROW(X,Y) ( \ ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \ (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \ (void)0 \ ) /* exposed interface */ #define vec_meta(A) (((vector_t*)((void*)A)) - 1) #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0)) #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V)) #define vec_size(A) ((A) ? vec_meta(A)->used : 0) #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)]) #define vec_last(A) ((A)[vec_meta(A)->used - 1]) #define vec_pop(A) ((void)(vec_meta(A)->used -= 1)) #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N))) #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N))) #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S))))) #define vec_remove(A,I,N) ((void)(memmove((A)+(I),(A)+((I)+(N)),sizeof(*(A))*(vec_meta(A)->used-(I)-(N))),vec_meta(A)->used-=(N))) typedef struct correct_trie_s { void *value; struct correct_trie_s *entries; } correct_trie_t; correct_trie_t* correct_trie_new(void); typedef struct hash_table_s { size_t size; struct hash_node_t **table; } hash_table_t, *ht; /* * hashtable implementation: * * Note: * This was designed for pointers: you manage the life of the object yourself * if you do use this for non-pointers please be warned that the object may not * be valid if the duration of it exceeds (i.e on stack). So you need to allocate * yourself, or put those in global scope to ensure duration is for the whole * runtime. * * util_htnew(size) -- to make a new hashtable * util_htset(table, key, value, sizeof(value)) -- to set something in the table * util_htget(table, key) -- to get something from the table * util_htdel(table) -- to delete the table * * example of use: * * ht foo = util_htnew(1024); * int data = 100; * char *test = "hello world\n"; * util_htset(foo, "foo", (void*)&data); * util_gtset(foo, "bar", (void*)test); * * printf("foo: %d, bar %s", * *((int *)util_htget(foo, "foo")), * ((char*)util_htget(foo, "bar")) * ); * * util_htdel(foo); */ hash_table_t *util_htnew (size_t size); void util_htrem (hash_table_t *ht, void (*callback)(void *data)); void util_htset (hash_table_t *ht, const char *key, void *value); void util_htdel (hash_table_t *ht); size_t util_hthash(hash_table_t *ht, const char *key); void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value); void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*)); void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*)); void *util_htget (hash_table_t *ht, const char *key); void *util_htgeth(hash_table_t *ht, const char *key, size_t hash); /*===================================================================*/ /*============================ file.c ===============================*/ /*===================================================================*/ /* file handling */ void fs_file_close (FILE *); int fs_file_error (FILE *); int fs_file_getc (FILE *); int fs_file_printf (FILE *, const char *, ...); int fs_file_puts (FILE *, const char *); int fs_file_seek (FILE *, long int, int); long int fs_file_tell (FILE *); size_t fs_file_read (void *, size_t, size_t, FILE *); size_t fs_file_write (const void *, size_t, size_t, FILE *); FILE *fs_file_open (const char *, const char *); int fs_file_getline(char **, size_t *, FILE *); /* directory handling */ int fs_dir_make (const char *); DIR *fs_dir_open (const char *); int fs_dir_close (DIR *); struct dirent *fs_dir_read (DIR *); /*===================================================================*/ /*=========================== correct.c =============================*/ /*===================================================================*/ typedef struct { char ***edits; size_t **lens; } correction_t; void correct_del (correct_trie_t*, size_t **); void correct_add (correct_trie_t*, size_t ***, const char *); char *correct_str (correction_t *, correct_trie_t*, const char *); void correct_init(correction_t *); void correct_free(correction_t *); /*===================================================================*/ /*=========================== code.c ================================*/ /*===================================================================*/ /* Note: if you change the order, fix type_sizeof in ir.c */ enum { TYPE_VOID , TYPE_STRING , TYPE_FLOAT , TYPE_VECTOR , TYPE_ENTITY , TYPE_FIELD , TYPE_FUNCTION , TYPE_POINTER , TYPE_INTEGER , TYPE_VARIANT , TYPE_STRUCT , TYPE_UNION , TYPE_ARRAY , TYPE_NIL , /* it's its own type / untyped */ TYPE_NOEXPR , /* simply invalid in expressions */ TYPE_COUNT }; /* const/var qualifiers */ #define CV_NONE 0 #define CV_CONST 1 #define CV_VAR -1 #define CV_WRONG 0x8000 /* magic number to help parsing */ extern const char *type_name [TYPE_COUNT]; extern const uint16_t type_store_instr [TYPE_COUNT]; extern const uint16_t field_store_instr[TYPE_COUNT]; /* * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F * but this breaks when TYPE_INTEGER is added, since with the enhanced * instruction set, the old ones are left untouched, thus the _I instructions * are at a seperate place. */ extern const uint16_t type_storep_instr[TYPE_COUNT]; extern const uint16_t type_eq_instr [TYPE_COUNT]; extern const uint16_t type_ne_instr [TYPE_COUNT]; extern const uint16_t type_not_instr [TYPE_COUNT]; typedef struct { uint32_t offset; /* Offset in file of where data begins */ uint32_t length; /* Length of section (how many of) */ } prog_section_t; typedef struct { uint32_t version; /* Program version (6) */ uint16_t crc16; uint16_t skip; prog_section_t statements; /* prog_section_statement */ prog_section_t defs; /* prog_section_def */ prog_section_t fields; /* prog_section_field */ prog_section_t functions; /* prog_section_function */ prog_section_t strings; prog_section_t globals; uint32_t entfield; /* Number of entity fields */ } prog_header_t; /* * Each paramater incerements by 3 since vector types hold * 3 components (x,y,z). */ #define OFS_NULL 0 #define OFS_RETURN 1 #define OFS_PARM0 (OFS_RETURN+3) #define OFS_PARM1 (OFS_PARM0 +3) #define OFS_PARM2 (OFS_PARM1 +3) #define OFS_PARM3 (OFS_PARM2 +3) #define OFS_PARM4 (OFS_PARM3 +3) #define OFS_PARM5 (OFS_PARM4 +3) #define OFS_PARM6 (OFS_PARM5 +3) #define OFS_PARM7 (OFS_PARM6 +3) typedef struct { uint16_t opcode; /* operand 1 */ union { int16_t s1; /* signed */ uint16_t u1; /* unsigned */ } o1; /* operand 2 */ union { int16_t s1; /* signed */ uint16_t u1; /* unsigned */ } o2; /* operand 3 */ union { int16_t s1; /* signed */ uint16_t u1; /* unsigned */ } o3; /* * This is the same as the structure in darkplaces * { * unsigned short op; * short a,b,c; * } * But this one is more sane to work with, and the * type sizes are guranteed. */ } prog_section_statement_t; typedef struct { /* * The types: * 0 = ev_void * 1 = ev_string * 2 = ev_float * 3 = ev_vector * 4 = ev_entity * 5 = ev_field * 6 = ev_function * 7 = ev_pointer -- engine only * 8 = ev_bad -- engine only */ uint16_t type; uint16_t offset; uint32_t name; } prog_section_both_t; typedef prog_section_both_t prog_section_def_t; typedef prog_section_both_t prog_section_field_t; /* this is ORed to the type */ #define DEF_SAVEGLOBAL (1<<15) #define DEF_TYPEMASK ((1<<15)-1) typedef struct { int32_t entry; /* in statement table for instructions */ uint32_t firstlocal; /* First local in local table */ uint32_t locals; /* Total ints of params + locals */ uint32_t profile; /* Always zero (engine uses this) */ uint32_t name; /* name of function in string table */ uint32_t file; /* file of the source file */ int32_t nargs; /* number of arguments */ uint8_t argsize[8]; /* size of arguments (keep 8 always?) */ } prog_section_function_t; /* * Instructions * These are the external instructions supported by the interperter * this is what things compile to (from the C code). */ enum { INSTR_DONE, INSTR_MUL_F, INSTR_MUL_V, INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */ INSTR_MUL_VF, /* and here: B != C */ INSTR_DIV_F, INSTR_ADD_F, INSTR_ADD_V, INSTR_SUB_F, INSTR_SUB_V, INSTR_EQ_F, INSTR_EQ_V, INSTR_EQ_S, INSTR_EQ_E, INSTR_EQ_FNC, INSTR_NE_F, INSTR_NE_V, INSTR_NE_S, INSTR_NE_E, INSTR_NE_FNC, INSTR_LE, INSTR_GE, INSTR_LT, INSTR_GT, INSTR_LOAD_F, INSTR_LOAD_V, INSTR_LOAD_S, INSTR_LOAD_ENT, INSTR_LOAD_FLD, INSTR_LOAD_FNC, INSTR_ADDRESS, INSTR_STORE_F, INSTR_STORE_V, INSTR_STORE_S, INSTR_STORE_ENT, INSTR_STORE_FLD, INSTR_STORE_FNC, INSTR_STOREP_F, INSTR_STOREP_V, INSTR_STOREP_S, INSTR_STOREP_ENT, INSTR_STOREP_FLD, INSTR_STOREP_FNC, INSTR_RETURN, INSTR_NOT_F, INSTR_NOT_V, INSTR_NOT_S, INSTR_NOT_ENT, INSTR_NOT_FNC, INSTR_IF, INSTR_IFNOT, INSTR_CALL0, INSTR_CALL1, INSTR_CALL2, INSTR_CALL3, INSTR_CALL4, INSTR_CALL5, INSTR_CALL6, INSTR_CALL7, INSTR_CALL8, INSTR_STATE, INSTR_GOTO, INSTR_AND, INSTR_OR, INSTR_BITAND, INSTR_BITOR, /* * Virtual instructions used by the IR * Keep at the end! */ VINSTR_END, VINSTR_PHI, VINSTR_JUMP, VINSTR_COND, /* A never returning CALL. * Creating this causes IR blocks to be marked as 'final'. * No-Return-Call */ VINSTR_NRCALL, /* Emulated instructions. */ VINSTR_BITAND_V, /* BITAND_V must be the first emulated bitop */ VINSTR_BITAND_VF, VINSTR_BITOR_V, VINSTR_BITOR_VF, VINSTR_BITXOR, VINSTR_BITXOR_V, VINSTR_BITXOR_VF, VINSTR_CROSS, VINSTR_NEG_F, VINSTR_NEG_V }; /* TODO: elide */ extern const char *util_instr_str[VINSTR_END]; typedef float qcfloat_t; typedef int32_t qcint_t; typedef uint32_t qcuint_t; typedef struct { prog_section_statement_t *statements; int *linenums; int *columnnums; prog_section_def_t *defs; prog_section_field_t *fields; prog_section_function_t *functions; int *globals; char *chars; uint16_t crc; uint32_t entfields; ht string_cache; qcint_t string_cached_empty; } code_t; /* * A shallow copy of a lex_file to remember where which ast node * came from. */ typedef struct { const char *file; size_t line; size_t column; } lex_ctx_t; /* * code_write -- writes out the compiled file * code_init -- prepares the code file * code_genstrin -- generates string for code * code_alloc_field -- allocated a field * code_push_statement -- keeps statements and linenumbers together * code_pop_statement -- keeps statements and linenumbers together */ bool code_write (code_t *, const char *filename, const char *lno); GMQCC_WARN code_t *code_init (void); void code_cleanup (code_t *); uint32_t code_genstring (code_t *, const char *string); qcint_t code_alloc_field (code_t *, size_t qcsize); void code_push_statement(code_t *, prog_section_statement_t *stmt, lex_ctx_t ctx); void code_pop_statement (code_t *); /*===================================================================*/ /*============================ con.c ================================*/ /*===================================================================*/ enum { CON_BLACK = 30, CON_RED, CON_GREEN, CON_BROWN, CON_BLUE, CON_MAGENTA, CON_CYAN , CON_WHITE }; /* message level */ enum { LVL_MSG, LVL_WARNING, LVL_ERROR }; FILE *con_default_out(void); FILE *con_default_err(void); void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap); void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...); void con_cvprintmsg(lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, va_list ap); void con_cprintmsg (lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, ...); void con_close (void); void con_init (void); void con_reset (void); void con_color (int); int con_change(const char *, const char *); int con_verr (const char *, va_list); int con_vout (const char *, va_list); int con_err (const char *, ...); int con_out (const char *, ...); /* error/warning interface */ extern size_t compile_errors; extern size_t compile_Werrors; extern size_t compile_warnings; void /********/ compile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, ...); void /********/ vcompile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, va_list ap); bool GMQCC_WARN compile_warning (lex_ctx_t ctx, int warntype, const char *fmt, ...); bool GMQCC_WARN vcompile_warning(lex_ctx_t ctx, int warntype, const char *fmt, va_list ap); void compile_show_werrors(void); /*===================================================================*/ /*============================= ir.c ================================*/ /*===================================================================*/ enum store_types { store_global, store_local, /* local, assignable for now, should get promoted later */ store_param, /* parameters, they are locals with a fixed position */ store_value, /* unassignable */ store_return /* unassignable, at OFS_RETURN */ }; typedef struct { qcfloat_t x, y, z; } vec3_t; /*===================================================================*/ /*============================= exec.c ==============================*/ /*===================================================================*/ /* TODO: cleanup */ /* * Darkplaces has (or will have) a 64 bit prog loader * where the 32 bit qc program is autoconverted on load. * Since we may want to support that as well, let's redefine * float and int here. */ typedef union { qcint_t _int; qcint_t string; qcint_t function; qcint_t edict; qcfloat_t _float; qcfloat_t vector[3]; qcint_t ivector[3]; } qcany_t; typedef char qcfloat_t_size_is_correct [sizeof(qcfloat_t) == 4 ?1:-1]; typedef char qcint_t_size_is_correct [sizeof(qcint_t) == 4 ?1:-1]; enum { VMERR_OK, VMERR_TEMPSTRING_ALLOC, VMERR_END }; #define VM_JUMPS_DEFAULT 1000000 /* execute-flags */ #define VMXF_DEFAULT 0x0000 /* default flags - nothing */ #define VMXF_TRACE 0x0001 /* trace: print statements before executing */ #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */ struct qc_program_s; typedef int (*prog_builtin_t)(struct qc_program_s *prog); typedef struct { qcint_t stmt; size_t localsp; prog_section_function_t *function; } qc_exec_stack_t; typedef struct qc_program_s { char *filename; prog_section_statement_t *code; prog_section_def_t *defs; prog_section_def_t *fields; prog_section_function_t *functions; char *strings; qcint_t *globals; qcint_t *entitydata; bool *entitypool; const char* *function_stack; uint16_t crc16; size_t tempstring_start; size_t tempstring_at; qcint_t vmerror; size_t *profile; prog_builtin_t *builtins; size_t builtins_count; /* size_t ip; */ qcint_t entities; size_t entityfields; bool allowworldwrites; qcint_t *localstack; qc_exec_stack_t *stack; size_t statement; size_t xflags; int argc; /* current arg count for debugging */ } qc_program_t; qc_program_t* prog_load (const char *filename, bool ignoreversion); void prog_delete (qc_program_t *prog); bool prog_exec (qc_program_t *prog, prog_section_function_t *func, size_t flags, long maxjumps); const char* prog_getstring (qc_program_t *prog, qcint_t str); prog_section_def_t* prog_entfield (qc_program_t *prog, qcint_t off); prog_section_def_t* prog_getdef (qc_program_t *prog, qcint_t off); qcany_t* prog_getedict (qc_program_t *prog, qcint_t e); qcint_t prog_tempstring(qc_program_t *prog, const char *_str); /*===================================================================*/ /*===================== parser.c commandline ========================*/ /*===================================================================*/ struct parser_s; struct parser_s *parser_create (void); bool parser_compile_file (struct parser_s *parser, const char *); bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t); bool parser_finish (struct parser_s *parser, const char *); void parser_cleanup (struct parser_s *parser); /*===================================================================*/ /*====================== ftepp.c commandline ========================*/ /*===================================================================*/ struct ftepp_s; struct ftepp_s *ftepp_create (void); bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename); bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str); void ftepp_finish (struct ftepp_s *ftepp); const char *ftepp_get (struct ftepp_s *ftepp); void ftepp_flush (struct ftepp_s *ftepp); void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name); void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value); /*===================================================================*/ /*======================= main.c commandline ========================*/ /*===================================================================*/ #if 1 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit * to 32 or 64 -f options... */ typedef struct { size_t idx; /* index into an array of 32 bit words */ uint8_t bit; /* bit index for the 8 bit group idx points to */ } longbit; #define LONGBIT(bit) { ((bit)/32), ((bit)%32) } #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32)) #else typedef uint32_t longbit; #define LONGBIT(bit) (bit) #define LONGBIT_SET(B, I) ((B) = (I)) #endif /*===================================================================*/ /*============================= utf8.c ==============================*/ /*===================================================================*/ typedef long utf8ch_t; int utf8_from(char *, utf8ch_t); int utf8_to(utf8ch_t *, const unsigned char *, size_t); /*===================================================================*/ /*============================= opts.c ==============================*/ /*===================================================================*/ typedef struct { const char *name; longbit bit; } opts_flag_def_t; bool opts_setflag (const char *, bool); bool opts_setwarn (const char *, bool); bool opts_setwerror(const char *, bool); bool opts_setoptim (const char *, bool); void opts_init (const char *, int, size_t); void opts_set (uint32_t *, size_t, bool); void opts_setoptimlevel(unsigned int); void opts_ini_init (const char *); /* Saner flag handling */ void opts_backup_non_Wall(void); void opts_restore_non_Wall(void); void opts_backup_non_Werror_all(void); void opts_restore_non_Werror_all(void); enum { # define GMQCC_TYPE_FLAGS # define GMQCC_DEFINE_FLAG(X) X, # include "opts.def" COUNT_FLAGS }; enum { # define GMQCC_TYPE_WARNS # define GMQCC_DEFINE_FLAG(X) WARN_##X, # include "opts.def" COUNT_WARNINGS }; enum { # define GMQCC_TYPE_OPTIMIZATIONS # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME, # include "opts.def" COUNT_OPTIMIZATIONS }; enum { # define GMQCC_TYPE_OPTIONS # define GMQCC_DEFINE_FLAG(X) OPTION_##X, # include "opts.def" OPTION_COUNT }; extern const opts_flag_def_t opts_flag_list[COUNT_FLAGS+1]; extern const opts_flag_def_t opts_warn_list[COUNT_WARNINGS+1]; extern const opts_flag_def_t opts_opt_list[COUNT_OPTIMIZATIONS+1]; extern const unsigned int opts_opt_oflag[COUNT_OPTIMIZATIONS+1]; extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS]; /* other options: */ typedef enum { COMPILER_QCC, /* circa QuakeC */ COMPILER_FTEQCC, /* fteqcc QuakeC */ COMPILER_QCCX, /* qccx QuakeC */ COMPILER_GMQCC /* this QuakeC */ } opts_std_t; typedef union { bool B; uint16_t U16; uint32_t U32; char *STR; } opt_value_t; typedef struct { opt_value_t options [OPTION_COUNT]; uint32_t flags [1 + (COUNT_FLAGS / 32)]; uint32_t warn [1 + (COUNT_WARNINGS / 32)]; uint32_t werror [1 + (COUNT_WARNINGS / 32)]; uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)]; uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)]; uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)]; bool optimizeoff; /* True when -O0 */ } opts_cmd_t; extern opts_cmd_t opts; #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32)))) #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i)) #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i)) #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i)) #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i)) #define OPTS_OPTION_BOOL(X) (opts.options[X].B) #define OPTS_OPTION_U16(X) (opts.options[X].U16) #define OPTS_OPTION_U32(X) (opts.options[X].U32) #define OPTS_OPTION_STR(X) (opts.options[X].STR) #endif /*! GMQCC_HDR */