X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gmqcc.h;h=d25ac3b8f6cc70f0d4f21d940edae1dab346fd92;hb=906f319673f6a2eddb62e59acc970b9497f3e96a;hp=eca1e156f05b3edd615dcd47fd79f9a02098e4bd;hpb=de01d34925cb609607e76b3cb7e7a48312f2cc8e;p=xonotic%2Fgmqcc.git diff --git a/gmqcc.h b/gmqcc.h index eca1e15..d25ac3b 100644 --- a/gmqcc.h +++ b/gmqcc.h @@ -1,6 +1,6 @@ /* - * Copyright (C) 2012 - * Dale Weiler + * 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 @@ -26,8 +26,20 @@ #include #include #include +#include #include +/* + * 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 */ +# pragma warning(disable : 4018 ) /* signed/unsigned mismatch */ +# pragma warning(disable : 4996 ) /* This function or variable may be unsafe */ +# pragma warning(disable : 4700 ) /* uninitialized local variable used */ +#endif + #define GMQCC_VERSION_MAJOR 0 #define GMQCC_VERSION_MINOR 1 #define GMQCC_VERSION_PATCH 0 @@ -52,11 +64,67 @@ # endif /* !true */ # define false (0) # define true (1) -# define bool _Bool -# if __STDC_VERSION__ < 199901L && __GNUC__ < 3 - typedef int _Bool -# endif -# endif /* !__cplusplus */ +# ifdef __STDC_VERSION__ +# if __STDC_VERSION__ < 199901L && __GNUC__ < 3 + typedef int bool; +# else + typedef _Bool bool; +# endif +# 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)) +#else +# define GMQCC_WARN +#endif +/* + * This is a hack to silent clang regarding empty + * body if statements. + */ +#define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0) + +/* + * 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 +# else +# define GMQCC_INLINE +# endif +# else +# define GMQCC_INLINE inline +# endif +#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 /* * stdint.h and inttypes.h -less subset @@ -75,188 +143,122 @@ typedef int int16_t; typedef unsigned int uint16_t; #endif -#if INT_MAX == 0x7FFFFFFF +#if INT_MAX == 0x7FFFFFFF typedef int int32_t; typedef unsigned int uint32_t; #elif LONG_MAX == 0x7FFFFFFF typedef long int32_t; typedef unsigned long uint32_t; #endif + + +#if defined(__GNUC__) || defined (__CLANG__) + typedef int int64_t __attribute__((__mode__(__DI__))); + typedef unsigned int uint64_t __attribute__((__mode__(__DI__))); +#elif defined(_MSC_VER) + typedef __int64 int64_t; + typedef unsigned __int64 uint64_t; +#else + /* + * Incoorectly size the types so static assertions below will + * fail. There is no valid way to get a 64bit type at this point + * without making assumptions of too many things. + */ + typedef struct { char _fail : 0; } int64_t; + typedef struct { char _fail : 0; } uint64_t; +#endif #ifdef _LP64 /* long pointer == 64 */ typedef unsigned long uintptr_t; typedef long intptr_t; #else typedef unsigned int uintptr_t; typedef int intptr_t; -#endif +#endif /* Ensure type sizes are correct: */ typedef char uint8_size_is_correct [sizeof(uint8_t) == 1?1:-1]; -typedef char uint16_size_if_correct [sizeof(uint16_t) == 2?1:-1]; +typedef char uint16_size_is_correct [sizeof(uint16_t) == 2?1:-1]; typedef char uint32_size_is_correct [sizeof(uint32_t) == 4?1:-1]; +typedef char uint64_size_is_correct [sizeof(uint64_t) == 8?1:-1]; typedef char int16_size_if_correct [sizeof(int16_t) == 2?1:-1]; typedef char int32_size_is_correct [sizeof(int32_t) == 4?1:-1]; +typedef char int64_size_is_correct [sizeof(int64_t) >= 8?1:-1]; /* intptr_t / uintptr_t correct size check */ typedef char uintptr_size_is_correct[sizeof(intptr_t) == sizeof(int*)?1:-1]; typedef char intptr_size_is_correct [sizeof(uintptr_t)== sizeof(int*)?1:-1]; -//=================================================================== -//============================ lex.c ================================ -//=================================================================== -struct lex_file { - FILE *file; /* file handler */ - char *name; /* name of file */ - char peek [5]; - char lastok[8192]; - - int last; /* last token */ - int current; /* current token */ - int length; /* bytes left to parse */ - int size; /* never changes (size of file) */ - int line; /* what line are we on? */ -}; - -/* - * It's important that this table never exceed 32 keywords, the ascii - * table starts at 33 (and we don't want conflicts) - */ -enum { - TOKEN_DO , - TOKEN_ELSE , - TOKEN_IF , - TOKEN_WHILE , - TOKEN_BREAK , - TOKEN_CONTINUE , - TOKEN_RETURN , - TOKEN_GOTO , - TOKEN_FOR , // extension - TOKEN_TYPEDEF , // extension - - // ensure the token types are out of the - // bounds of anyothers that may conflict. - TOKEN_FLOAT = 110, - TOKEN_VECTOR , - TOKEN_STRING , - TOKEN_ENTITY , - TOKEN_VOID -}; - -/* - * Lexer state constants, these are numbers for where exactly in - * the lexing the lexer is at. Or where it decided to stop if a lexer - * error occurs. These numbers must be > where the ascii-table ends - * and > the last type token which is TOKEN_VOID - */ -enum { - LEX_COMMENT = 1128, - LEX_CHRLIT , - LEX_STRLIT , - LEX_IDENT -}; +/*===================================================================*/ +/*=========================== util.c ================================*/ +/*===================================================================*/ +FILE *util_fopen(const char *filename, const char *mode); -int lex_token (struct lex_file *); -void lex_reset (struct lex_file *); -void lex_close (struct lex_file *); -struct lex_file *lex_include(struct lex_file *, char *); -struct lex_file *lex_open (FILE *); - -//=================================================================== -//========================== error.c ================================ -//=================================================================== -#define ERROR_LEX (SHRT_MAX+0) -#define ERROR_PARSE (SHRT_MAX+1) -#define ERROR_INTERNAL (SHRT_MAX+2) -#define ERROR_COMPILER (SHRT_MAX+3) -#define ERROR_PREPRO (SHRT_MAX+4) -int error(struct lex_file *, int, const char *, ...); - -//=================================================================== -//========================== parse.c ================================ -//=================================================================== -int parse_gen(struct lex_file *); - -//=================================================================== -//========================== typedef.c ============================== -//=================================================================== -typedef struct typedef_node_t { - char *name; -} typedef_node; - -void typedef_init(); -void typedef_clear(); -typedef_node *typedef_find(const char *); -int typedef_add (struct lex_file *file, const char *, const char *); - - -//=================================================================== -//=========================== util.c ================================ -//=================================================================== -void *util_memory_a (unsigned int, unsigned int, const char *); +void *util_memory_a (size_t, unsigned int, const char *); void util_memory_d (void *, unsigned int, const char *); +void *util_memory_r (void *, size_t, unsigned int, const char *); void util_meminfo (); bool util_strupper (const char *); bool util_strdigit (const char *); +bool util_strncmpexact (const char *, const char *, size_t); char *util_strdup (const char *); -char *util_strrq (char *); -char *util_strrnl (char *); +char *util_strrq (const char *); +char *util_strrnl (const char *); char *util_strsws (const char *); char *util_strchp (const char *, const char *); void util_debug (const char *, const char *, ...); int util_getline (char **, size_t *, FILE *); void util_endianswap (void *, int, int); -uint32_t util_crc32(const char *, int, register const short); +size_t util_strtocmd (const char *, char *, size_t); +size_t util_strtononcmd (const char *, char *, size_t); + +uint16_t util_crc16(uint16_t crc, const char *data, size_t len); +uint32_t util_crc32(uint32_t crc, const char *data, size_t len); #ifdef NOTRACK -# define mem_a(x) malloc(x) -# define mem_d(x) free (x) +# define mem_a(x) malloc(x) +# define mem_d(x) free (x) +# define mem_r(x, n) free (x, n) #else -# define mem_a(x) util_memory_a((x), __LINE__, __FILE__) -# define mem_d(x) util_memory_d((x), __LINE__, __FILE__) +# define mem_a(x) util_memory_a((x), __LINE__, __FILE__) +# define mem_d(x) util_memory_d((x), __LINE__, __FILE__) +# define mem_r(x, n) util_memory_r((x), (n), __LINE__, __FILE__) #endif -/* Builds vector type (usefull for inside structures) */ -#define VECTOR_TYPE(T,N) \ - T* N##_data = NULL; \ - long N##_elements = 0; \ - long N##_allocated = 0 -/* Builds vector add */ -#define VECTOR_CORE(T,N) \ - int N##_add(T element) { \ - if (N##_elements == N##_allocated) { \ - if (N##_allocated == 0) { \ - N##_allocated = 12; \ - } else { \ - N##_allocated *= 2; \ - } \ - void *temp = mem_a(N##_allocated * sizeof(T)); \ - if (!temp) { \ - mem_d(temp); \ - return -1; \ - } \ - memcpy(temp, N##_data, (N##_elements * sizeof(T))); \ - mem_d(N##_data); \ - N##_data = (T*)temp; \ - } \ - N##_data[N##_elements] = element; \ - return N##_elements++; \ - } \ - int N##_put(T* elements, size_t len) { \ - len --; \ - elements--; \ - while (N##_add(*++elements) != -1 && len--); \ - return N##_elements; \ - } -/* Builds a full vector inspot */ -#define VECTOR_MAKE(T,N) \ - VECTOR_TYPE(T,N); \ - VECTOR_CORE(T,N) -/* Builds a vector add function pointer for inside structures */ -#define VECTOR_IMPL(T,N) int (*N##_add)(T) - -//=================================================================== -//=========================== code.c ================================ -//=================================================================== +/* + * TODO: make these safer to use. Currently this only works on + * x86 and x86_64, some systems will likely not like this. Such + * as BE systems. + */ +#define FLT2INT(Y) *((int32_t*)&(Y)) +#define INT2FLT(Y) *((float *)&(Y)) + +/* New flexible vector implementation from Dale */ +#define _vec_raw(A) (((size_t*)(A)) - 2) +#define _vec_beg(A) (_vec_raw(A)[0]) +#define _vec_end(A) (_vec_raw(A)[1]) +#define _vec_needsgrow(A,N) ((!(A)) || (_vec_end(A) + (N) >= _vec_beg(A))) +#define _vec_mightgrow(A,N) (_vec_needsgrow((A), (N)) ? _vec_forcegrow((A),(N)) : 0) +#define _vec_forcegrow(A,N) _util_vec_grow((void**)&(A), (N), sizeof(*(A))) +void _util_vec_grow(void **a, size_t i, size_t s); +/* exposed interface */ +#define vec_free(A) ((A) ? (mem_d(_vec_raw(A)), (A) = NULL) : 0) +#define vec_push(A,V) (_vec_mightgrow((A),1), (A)[_vec_end(A)++] = (V)) +#define vec_size(A) ((A) ? _vec_end(A) : 0) +#define vec_add(A,N) (_vec_mightgrow((A),(N)), _vec_end(A)+=(N), &(A)[_vec_end(A)-(N)]) +#define vec_last(A) ((A)[_vec_end(A)-1]) +#define vec_append(A,N,S) memcpy(vec_add((A), (N)), (S), N * sizeof(*(S))) +#define _vec_remove(A,S,I,N) (memmove((char*)(A)+(I)*(S),(char*)(A)+((I)+(N))*(S),(S)*(vec_size(A)-(I)-(N))), _vec_end(A)-=(N)) +#define vec_remove(A,I,N) _vec_remove((A), sizeof(*(A)), (I), (N)) +#define vec_pop(A) vec_remove((A), _vec_end(A)-1, 1) +/* these are supposed to NOT reallocate */ +#define vec_shrinkto(A,N) (_vec_end(A) = (N)) +#define vec_shrinkby(A,N) (_vec_end(A) -= (N)) + +/*===================================================================*/ +/*=========================== code.c ================================*/ +/*===================================================================*/ + +/* Note: if you change the order, fix type_sizeof in ir.c */ enum { TYPE_VOID , TYPE_STRING , @@ -265,9 +267,50 @@ enum { TYPE_ENTITY , TYPE_FIELD , TYPE_FUNCTION , - TYPE_POINTER + TYPE_POINTER , + TYPE_INTEGER , + TYPE_VARIANT , + TYPE_STRUCT , + TYPE_UNION , + TYPE_ARRAY , + + TYPE_COUNT }; +extern const char *type_name[TYPE_COUNT]; + +extern size_t type_sizeof[TYPE_COUNT]; +extern uint16_t type_store_instr[TYPE_COUNT]; +extern 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 uint16_t type_storep_instr[TYPE_COUNT]; +/* other useful lists */ +extern uint16_t type_eq_instr[TYPE_COUNT]; +extern uint16_t type_ne_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; + +typedef struct { + uint32_t version; /* Program version (6) */ + uint16_t crc16; /* What is this? */ + uint16_t skip; /* see propsal.txt */ + + prog_section statements; /* prog_section_statement */ + prog_section defs; /* prog_section_def */ + prog_section fields; /* prog_section_field */ + prog_section functions; /* prog_section_function */ + prog_section strings; /* What is this? */ + prog_section globals; /* What is this? */ + uint32_t entfield; /* Number of entity fields */ +} prog_header; + /* * Each paramater incerements by 3 since vector types hold * 3 components (x,y,z). @@ -285,23 +328,23 @@ enum { typedef struct { uint16_t opcode; - + /* operand 1 */ union { int16_t s1; /* signed */ uint16_t u1; /* unsigned */ - }; + } o1; /* operand 2 */ union { - int16_t s2; /* signed */ - uint16_t u2; /* unsigned */ - }; + int16_t s1; /* signed */ + uint16_t u1; /* unsigned */ + } o2; /* operand 3 */ union { - int16_t s3; /* signed */ - uint16_t u3; /* unsigned */ - }; - + int16_t s1; /* signed */ + uint16_t u1; /* unsigned */ + } o3; + /* * This is the same as the structure in darkplaces * { @@ -332,6 +375,10 @@ typedef struct { typedef prog_section_both prog_section_def; typedef prog_section_both prog_section_field; +/* 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 */ @@ -343,8 +390,8 @@ typedef struct { uint8_t argsize[8]; /* size of arguments (keep 8 always?) */ } prog_section_function; -/* - * Instructions +/* + * Instructions * These are the external instructions supported by the interperter * this is what things compile to (from the C code). */ @@ -352,8 +399,8 @@ enum { INSTR_DONE, INSTR_MUL_F, INSTR_MUL_V, - INSTR_MUL_FV, - INSTR_MUL_VF, + 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, @@ -414,137 +461,547 @@ enum { INSTR_AND, INSTR_OR, INSTR_BITAND, - INSTR_BITOR + INSTR_BITOR, + + /* + * Virtual instructions used by the assembler + * keep at the end but before virtual instructions + * for the IR below. + */ + AINSTR_END, + + /* + * Virtual instructions used by the IR + * Keep at the end! + */ + VINSTR_PHI, + VINSTR_JUMP, + VINSTR_COND }; -/* - * The symbols below are created by the following - * expanded macros: - * - * VECTOR_MAKE(prog_section_statement, code_statements); - * VECTOR_MAKE(prog_section_def, code_defs ); - * VECTOR_MAKE(prog_section_field, code_fields ); - * VECTOR_MAKE(prog_section_function, code_functions ); - * VECTOR_MAKE(int, code_globals ); - * VECTOR_MAKE(char, code_chars ); - */ -int code_statements_add(prog_section_statement); -int code_defs_add (prog_section_def); -int code_fields_add (prog_section_field); -int code_functions_add (prog_section_function); -int code_globals_add (int); -int code_chars_add (char); -int code_statements_put(prog_section_statement*, size_t); -int code_defs_put (prog_section_def*, size_t); -int code_fields_put (prog_section_field*, size_t); -int code_functions_put (prog_section_function*, size_t); -int code_globals_put (int*, size_t); -int code_chars_put (char*, size_t); -extern long code_statements_elements; -extern long code_chars_elements; -extern long code_globals_elements; -extern long code_functions_elements; -extern long code_fields_elements; -extern long code_defs_elements; +extern prog_section_statement *code_statements; +extern prog_section_def *code_defs; +extern prog_section_field *code_fields; +extern prog_section_function *code_functions; +extern int *code_globals; +extern char *code_chars; +extern uint16_t code_crc; + +typedef float qcfloat; +typedef int32_t qcint; /* * code_write -- writes out the compiled file * code_init -- prepares the code file */ -void code_write (); -void code_init (); +bool code_write (const char *filename); +void code_init (); +uint32_t code_genstring (const char *string); +uint32_t code_cachedstring(const char *string); +qcint code_alloc_field (size_t qcsize); + +/*===================================================================*/ +/*============================ 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 +}; -//=================================================================== -//========================= assembler.c ============================= -//=================================================================== + +void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap); +void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...); +void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap); +void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...); + +void con_close(); +void con_color(int state); +void con_init (); +void con_reset(); +int con_change(const char *out, const char *err); +int con_verr (const char *fmt, va_list va); +int con_vout (const char *fmt, va_list va); +int con_err (const char *fmt, ...); +int con_out (const char *fmt, ...); + +/*===================================================================*/ +/*========================= assembler.c =============================*/ +/*===================================================================*/ static const struct { const char *m; /* menomic */ - const size_t o; /* operands */ + const size_t o; /* operands */ const size_t l; /* menomic len */ -} const asm_instr[] = { - [INSTR_DONE] = { "DONE" , 1, 4 }, - [INSTR_MUL_F] = { "MUL_F" , 3, 5 }, - [INSTR_MUL_V] = { "MUL_V" , 3, 5 }, - [INSTR_MUL_FV] = { "MUL_FV" , 3, 6 }, - [INSTR_MUL_VF] = { "MUL_VF" , 3, 6 }, - [INSTR_DIV_F] = { "DIV" , 0, 3 }, - [INSTR_ADD_F] = { "ADD_F" , 3, 5 }, - [INSTR_ADD_V] = { "ADD_V" , 3, 5 }, - [INSTR_SUB_F] = { "SUB_F" , 3, 5 }, - [INSTR_SUB_V] = { "DUB_V" , 3, 5 }, - [INSTR_EQ_F] = { "EQ_F" , 0, 4 }, - [INSTR_EQ_V] = { "EQ_V" , 0, 4 }, - [INSTR_EQ_S] = { "EQ_S" , 0, 4 }, - [INSTR_EQ_E] = { "EQ_E" , 0, 4 }, - [INSTR_EQ_FNC] = { "ES_FNC" , 0, 6 }, - [INSTR_NE_F] = { "NE_F" , 0, 4 }, - [INSTR_NE_V] = { "NE_V" , 0, 4 }, - [INSTR_NE_S] = { "NE_S" , 0, 4 }, - [INSTR_NE_E] = { "NE_E" , 0, 4 }, - [INSTR_NE_FNC] = { "NE_FNC" , 0, 6 }, - [INSTR_LE] = { "LE" , 0, 2 }, - [INSTR_GE] = { "GE" , 0, 2 }, - [INSTR_LT] = { "LT" , 0, 2 }, - [INSTR_GT] = { "GT" , 0, 2 }, - [INSTR_LOAD_F] = { "FIELD_F" , 0, 7 }, - [INSTR_LOAD_V] = { "FIELD_V" , 0, 7 }, - [INSTR_LOAD_S] = { "FIELD_S" , 0, 7 }, - [INSTR_LOAD_ENT] = { "FIELD_ENT" , 0, 9 }, - [INSTR_LOAD_FLD] = { "FIELD_FLD" , 0, 9 }, - [INSTR_LOAD_FNC] = { "FIELD_FNC" , 0, 9 }, - [INSTR_ADDRESS] = { "ADDRESS" , 0, 7 }, - [INSTR_STORE_F] = { "STORE_F" , 0, 7 }, - [INSTR_STORE_V] = { "STORE_V" , 0, 7 }, - [INSTR_STORE_S] = { "STORE_S" , 0, 7 }, - [INSTR_STORE_ENT] = { "STORE_ENT" , 0, 9 }, - [INSTR_STORE_FLD] = { "STORE_FLD" , 0, 9 }, - [INSTR_STORE_FNC] = { "STORE_FNC" , 0, 9 }, - [INSTR_STOREP_F] = { "STOREP_F" , 0, 8 }, - [INSTR_STOREP_V] = { "STOREP_V" , 0, 8 }, - [INSTR_STOREP_S] = { "STOREP_S" , 0, 8 }, - [INSTR_STOREP_ENT] = { "STOREP_ENT", 0, 10}, - [INSTR_STOREP_FLD] = { "STOREP_FLD", 0, 10}, - [INSTR_STOREP_FNC] = { "STOREP_FNC", 0, 10}, - [INSTR_RETURN] = { "RETURN" , 0, 6 }, - [INSTR_NOT_F] = { "NOT_F" , 0, 5 }, - [INSTR_NOT_V] = { "NOT_V" , 0, 5 }, - [INSTR_NOT_S] = { "NOT_S" , 0, 5 }, - [INSTR_NOT_ENT] = { "NOT_ENT" , 0, 7 }, - [INSTR_NOT_FNC] = { "NOT_FNC" , 0, 7 }, - [INSTR_IF] = { "IF" , 0, 2 }, - [INSTR_IFNOT] = { "IFNOT" , 0, 5 }, - [INSTR_CALL0] = { "CALL0" , 0, 5 }, - [INSTR_CALL1] = { "CALL1" , 0, 5 }, - [INSTR_CALL2] = { "CALL2" , 0, 5 }, - [INSTR_CALL3] = { "CALL3" , 0, 5 }, - [INSTR_CALL4] = { "CALL4" , 0, 5 }, - [INSTR_CALL5] = { "CALL5" , 0, 5 }, - [INSTR_CALL6] = { "CALL6" , 0, 5 }, - [INSTR_CALL7] = { "CALL7" , 0, 5 }, - [INSTR_CALL8] = { "CALL8" , 0, 5 }, - [INSTR_STATE] = { "STATE" , 0, 5 }, - [INSTR_GOTO] = { "GOTO" , 0, 4 }, - [INSTR_AND] = { "AND" , 0, 3 }, - [INSTR_OR] = { "OR" , 0, 2 }, - [INSTR_BITAND] = { "BITAND" , 0, 6 }, - [INSTR_BITOR] = { "BITOR" , 0, 5 } +} asm_instr[] = { + { "DONE" , 1, 4 }, + { "MUL_F" , 3, 5 }, + { "MUL_V" , 3, 5 }, + { "MUL_FV" , 3, 6 }, + { "MUL_VF" , 3, 6 }, + { "DIV" , 0, 3 }, + { "ADD_F" , 3, 5 }, + { "ADD_V" , 3, 5 }, + { "SUB_F" , 3, 5 }, + { "SUB_V" , 3, 5 }, + { "EQ_F" , 0, 4 }, + { "EQ_V" , 0, 4 }, + { "EQ_S" , 0, 4 }, + { "EQ_E" , 0, 4 }, + { "EQ_FNC" , 0, 6 }, + { "NE_F" , 0, 4 }, + { "NE_V" , 0, 4 }, + { "NE_S" , 0, 4 }, + { "NE_E" , 0, 4 }, + { "NE_FNC" , 0, 6 }, + { "LE" , 0, 2 }, + { "GE" , 0, 2 }, + { "LT" , 0, 2 }, + { "GT" , 0, 2 }, + { "FIELD_F" , 0, 7 }, + { "FIELD_V" , 0, 7 }, + { "FIELD_S" , 0, 7 }, + { "FIELD_ENT" , 0, 9 }, + { "FIELD_FLD" , 0, 9 }, + { "FIELD_FNC" , 0, 9 }, + { "ADDRESS" , 0, 7 }, + { "STORE_F" , 0, 7 }, + { "STORE_V" , 0, 7 }, + { "STORE_S" , 0, 7 }, + { "STORE_ENT" , 0, 9 }, + { "STORE_FLD" , 0, 9 }, + { "STORE_FNC" , 0, 9 }, + { "STOREP_F" , 0, 8 }, + { "STOREP_V" , 0, 8 }, + { "STOREP_S" , 0, 8 }, + { "STOREP_ENT", 0, 10}, + { "STOREP_FLD", 0, 10}, + { "STOREP_FNC", 0, 10}, + { "RETURN" , 0, 6 }, + { "NOT_F" , 0, 5 }, + { "NOT_V" , 0, 5 }, + { "NOT_S" , 0, 5 }, + { "NOT_ENT" , 0, 7 }, + { "NOT_FNC" , 0, 7 }, + { "IF" , 0, 2 }, + { "IFNOT" , 0, 5 }, + { "CALL0" , 1, 5 }, + { "CALL1" , 2, 5 }, + { "CALL2" , 3, 5 }, + { "CALL3" , 4, 5 }, + { "CALL4" , 5, 5 }, + { "CALL5" , 6, 5 }, + { "CALL6" , 7, 5 }, + { "CALL7" , 8, 5 }, + { "CALL8" , 9, 5 }, + { "STATE" , 0, 5 }, + { "GOTO" , 0, 4 }, + { "AND" , 0, 3 }, + { "OR" , 0, 2 }, + { "BITAND" , 0, 6 }, + { "BITOR" , 0, 5 }, + + { "END" , 0, 3 } /* virtual assembler instruction */ +}; +/*===================================================================*/ +/*============================= ast.c ===============================*/ +/*===================================================================*/ +#define MEM_VECTOR_PROTO(Towner, Tmem, mem) \ + bool GMQCC_WARN Towner##_##mem##_add(Towner*, Tmem); \ + bool GMQCC_WARN Towner##_##mem##_remove(Towner*, size_t) + +#define MEM_VECTOR_PROTO_ALL(Towner, Tmem, mem) \ + MEM_VECTOR_PROTO(Towner, Tmem, mem); \ + bool GMQCC_WARN Towner##_##mem##_find(Towner*, Tmem, size_t*); \ + void Towner##_##mem##_clear(Towner*) + +#define MEM_VECTOR_MAKE(Twhat, name) \ + Twhat *name; \ + size_t name##_count; \ + size_t name##_alloc + +#define MEM_VEC_FUN_ADD(Tself, Twhat, mem) \ +bool GMQCC_WARN Tself##_##mem##_add(Tself *self, Twhat f) \ +{ \ + Twhat *reall; \ + if (self->mem##_count == self->mem##_alloc) { \ + if (!self->mem##_alloc) { \ + self->mem##_alloc = 16; \ + } else { \ + self->mem##_alloc *= 2; \ + } \ + reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_alloc); \ + if (!reall) { \ + return false; \ + } \ + memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \ + mem_d(self->mem); \ + self->mem = reall; \ + } \ + self->mem[self->mem##_count++] = f; \ + return true; \ +} + +#define MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \ +bool GMQCC_WARN Tself##_##mem##_remove(Tself *self, size_t idx) \ +{ \ + size_t i; \ + Twhat *reall; \ + if (idx >= self->mem##_count) { \ + return true; /* huh... */ \ + } \ + for (i = idx; i < self->mem##_count-1; ++i) { \ + self->mem[i] = self->mem[i+1]; \ + } \ + self->mem##_count--; \ + if (self->mem##_count < self->mem##_count/2) { \ + self->mem##_alloc /= 2; \ + reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_count); \ + if (!reall) { \ + return false; \ + } \ + memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \ + mem_d(self->mem); \ + self->mem = reall; \ + } \ + return true; \ +} + +#define MEM_VEC_FUN_FIND(Tself, Twhat, mem) \ +bool GMQCC_WARN Tself##_##mem##_find(Tself *self, Twhat obj, size_t *idx) \ +{ \ + size_t i; \ + for (i = 0; i < self->mem##_count; ++i) { \ + if (self->mem[i] == obj) { \ + if (idx) { \ + *idx = i; \ + } \ + return true; \ + } \ + } \ + return false; \ +} + +#define MEM_VEC_FUN_APPEND(Tself, Twhat, mem) \ +bool GMQCC_WARN Tself##_##mem##_append(Tself *s, Twhat *p, size_t c) \ +{ \ + Twhat *reall; \ + size_t oldalloc; \ + if (s->mem##_count+c > s->mem##_alloc) { \ + if (!s->mem##_alloc) { \ + s->mem##_alloc = c < 16 ? 16 : c; \ + s->mem = (Twhat*)mem_a(sizeof(Twhat) * s->mem##_alloc); \ + } else { \ + oldalloc = s->mem##_alloc; \ + s->mem##_alloc *= 2; \ + if (s->mem##_count+c >= s->mem##_alloc) { \ + s->mem##_alloc = s->mem##_count+c; \ + } \ + reall = (Twhat*)mem_a(sizeof(Twhat) * s->mem##_alloc); \ + if (!reall) { \ + s->mem##_alloc = oldalloc; \ + return false; \ + } \ + memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \ + mem_d(s->mem); \ + s->mem = reall; \ + } \ + } \ + memcpy(&s->mem[s->mem##_count], p, c*sizeof(*p)); \ + s->mem##_count += c; \ + return true; \ +} + +#define MEM_VEC_FUN_RESIZE(Tself, Twhat, mem) \ +bool GMQCC_WARN Tself##_##mem##_resize(Tself *s, size_t c) \ +{ \ + Twhat *reall; \ + if (c > s->mem##_alloc) { \ + reall = (Twhat*)mem_a(sizeof(Twhat) * c); \ + if (!reall) { return false; } \ + memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \ + s->mem##_alloc = c; \ + s->mem##_count = c; \ + mem_d(s->mem); \ + s->mem = reall; \ + return true; \ + } \ + s->mem##_count = c; \ + if (c < (s->mem##_alloc / 2)) { \ + reall = (Twhat*)mem_a(sizeof(Twhat) * c); \ + if (!reall) { return false; } \ + memcpy(reall, s->mem, sizeof(Twhat) * c); \ + mem_d(s->mem); \ + s->mem = reall; \ + s->mem##_alloc = c; \ + } \ + return true; \ +} + +#define MEM_VEC_FUN_CLEAR(Tself, mem) \ +void Tself##_##mem##_clear(Tself *self) \ +{ \ + if (!self->mem) \ + return; \ + mem_d((void*) self->mem); \ + self->mem = NULL; \ + self->mem##_count = 0; \ + self->mem##_alloc = 0; \ +} + +#define MEM_VECTOR_CLEAR(owner, mem) \ + if ((owner)->mem) \ + mem_d((void*)((owner)->mem)); \ + (owner)->mem = NULL; \ + (owner)->mem##_count = 0; \ + (owner)->mem##_alloc = 0 + +#define MEM_VECTOR_INIT(owner, mem) \ +{ \ + (owner)->mem = NULL; \ + (owner)->mem##_count = 0; \ + (owner)->mem##_alloc = 0; \ +} + +#define MEM_VECTOR_MOVE(from, mem, to, tm) \ +{ \ + (to)->tm = (from)->mem; \ + (to)->tm##_count = (from)->mem##_count; \ + (to)->tm##_alloc = (from)->mem##_alloc; \ + (from)->mem = NULL; \ + (from)->mem##_count = 0; \ + (from)->mem##_alloc = 0; \ +} + +#define MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \ +MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \ +MEM_VEC_FUN_ADD(Tself, Twhat, mem) + +#define MEM_VEC_FUNCTIONS_ALL(Tself, Twhat, mem) \ +MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \ +MEM_VEC_FUN_CLEAR(Tself, mem) \ +MEM_VEC_FUN_FIND(Tself, Twhat, mem) + +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 */ }; -void asm_init (const char *, FILE **); -void asm_close(FILE *); -void asm_parse(FILE *); -//====================================================================== -//============================= main.c ================================= -//====================================================================== +typedef struct { + qcfloat x, y, z; +} vector; + +vector vec3_add (vector, vector); +vector vec3_sub (vector, vector); +qcfloat vec3_mulvv(vector, vector); +vector vec3_mulvf(vector, float); + +/* + * A shallow copy of a lex_file to remember where which ast node + * came from. + */ +typedef struct { + const char *file; + size_t line; +} lex_ctx; + +/*===================================================================*/ +/*============================= exec.c ==============================*/ +/*===================================================================*/ + +/* 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 _int; + qcint string; + qcint function; + qcint edict; + qcfloat _float; + qcfloat vector[3]; + qcint ivector[3]; +} qcany; + +typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1]; +typedef char qcint_size_is_correct [sizeof(qcint) == 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)(struct qc_program_s *prog); + +typedef struct { + qcint stmt; + size_t localsp; + prog_section_function *function; +} qc_exec_stack; + +typedef struct qc_program_s { + char *filename; + + prog_section_statement *code; + prog_section_def *defs; + prog_section_def *fields; + prog_section_function *functions; + char *strings; + qcint *globals; + qcint *entitydata; + bool *entitypool; + + const char* *function_stack; + + uint16_t crc16; + + size_t tempstring_start; + size_t tempstring_at; + + qcint vmerror; + + size_t *profile; + + prog_builtin *builtins; + size_t builtins_count; + + /* size_t ip; */ + qcint entities; + size_t entityfields; + bool allowworldwrites; + + qcint *localstack; + qc_exec_stack *stack; + size_t statement; + + size_t xflags; + + int argc; /* current arg count for debugging */ +} qc_program; + +qc_program* prog_load(const char *filename); +void prog_delete(qc_program *prog); + +bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps); + +char* prog_getstring (qc_program *prog, qcint str); +prog_section_def* prog_entfield (qc_program *prog, qcint off); +prog_section_def* prog_getdef (qc_program *prog, qcint off); +qcany* prog_getedict (qc_program *prog, qcint e); +qcint prog_tempstring(qc_program *prog, const char *_str); + + +/*===================================================================*/ +/*===================== parser.c commandline ========================*/ +/*===================================================================*/ + +bool parser_init (); +bool parser_compile_file (const char *filename); +bool parser_compile_string(const char *name, const char *str); +bool parser_finish (const char *output); +void parser_cleanup (); + +/*===================================================================*/ +/*======================= main.c commandline ========================*/ +/*===================================================================*/ + +#if 0 +/* 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; /* index _into_ the 32 bit word, thus just uint8 */ +} longbit; +#define LONGBIT(bit) { ((bit)/32), ((bit)%32) } +#else +typedef uint32_t longbit; +#define LONGBIT(bit) (bit) +#endif + +/* Used to store the list of flags with names */ +typedef struct { + const char *name; + longbit bit; +} opts_flag_def; + +/*===================================================================*/ +/* list of -f flags, like -fdarkplaces-string-table-bug */ +enum { +# define GMQCC_TYPE_FLAGS +# define GMQCC_DEFINE_FLAG(X) X, +# include "opts.def" + COUNT_FLAGS +}; +static const opts_flag_def opts_flag_list[] = { +# define GMQCC_TYPE_FLAGS +# define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) }, +# include "opts.def" + { NULL, LONGBIT(0) } +}; + +enum { +# define GMQCC_TYPE_WARNS +# define GMQCC_DEFINE_FLAG(X) WARN_##X, +# include "opts.def" + COUNT_WARNINGS +}; +static const opts_flag_def opts_warn_list[] = { +# define GMQCC_TYPE_WARNS +# define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) }, +# include "opts.def" + { NULL, LONGBIT(0) } +}; + +/* other options: */ enum { COMPILER_QCC, /* circa QuakeC */ COMPILER_FTEQCC, /* fteqcc QuakeC */ COMPILER_QCCX, /* qccx QuakeC */ COMPILER_GMQCC /* this QuakeC */ }; -extern bool opts_debug; -extern bool opts_memchk; -extern bool opts_darkplaces_stringtablebug; -extern bool opts_omit_nullcode; -extern int opts_compiler; +extern uint32_t opts_O; /* -Ox */ +extern const char *opts_output; /* -o file */ +extern int opts_standard; +extern bool opts_debug; +extern bool opts_memchk; +extern bool opts_dump; +extern bool opts_werror; +extern bool opts_forcecrc; +extern uint16_t opts_forced_crc; +extern bool opts_pp_only; +extern size_t opts_max_array_size; + +/*===================================================================*/ +#define OPTS_FLAG(i) (!! (opts_flags[(i)/32] & (1<< ((i)%32)))) +extern uint32_t opts_flags[1 + (COUNT_FLAGS / 32)]; +#define OPTS_WARN(i) (!! (opts_warn[(i)/32] & (1<< ((i)%32)))) +extern uint32_t opts_warn[1 + (COUNT_WARNINGS / 32)]; + #endif