X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gmqcc.h;h=58e12cfd3f193d713d99132f2b4df863b55706aa;hb=2bfd27271444c99d02ac8de3135c6a7981b18286;hp=ba53228215bff807ba03d690581f4a4abc17e858;hpb=7849f8c597dce0e380a34b8b3a31a10ee5b0530d;p=xonotic%2Fgmqcc.git diff --git a/gmqcc.h b/gmqcc.h index ba53228..58e12cf 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 @@ -27,6 +27,93 @@ #include #include #include + +#define GMQCC_VERSION_MAJOR 0 +#define GMQCC_VERSION_MINOR 1 +#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) + +/* + * We cannoy 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 (0) +# define true (1) +# 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 * for systems that don't have it, which we must @@ -44,12 +131,34 @@ 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; + typedef long int64_t; + typedef unsigned long uint64_t; #elif LONG_MAX == 0x7FFFFFFF typedef long int32_t; typedef unsigned long uint32_t; + + /* + * It's nearly impossible to figure out a 64bit type at + * this point without making assumptions about the build + * enviroment. So if clang or gcc is detected use some + * compiler builtins to create a 64 signed and unsigned + * type. + */ +# if defined(__GNUC__) || defined (__CLANG__) + typedef int int64_t __attribute__((__mode__(__DI__))); + typedef unsigned int uint64_t __attribute__((__mode__(__DI__))); +# 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 #endif #ifdef _LP64 /* long pointer == 64 */ typedef unsigned long uintptr_t; @@ -57,117 +166,39 @@ #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 int8_size_is_correct [sizeof(int8_t) == 1?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? */ -}; +/*===================================================================*/ +/*=========================== util.c ================================*/ +/*===================================================================*/ +void *util_memory_a (unsigned int, unsigned int, const char *); +void util_memory_d (void *, unsigned int, const char *); +void util_meminfo (); -/* - * It's important that this table never exceed 32 keywords, the ascii - * table starts at 33 (and we don't want conflicts) - */ -#define TOKEN_DO 0 -#define TOKEN_ELSE 1 -#define TOKEN_IF 2 -#define TOKEN_WHILE 3 -#define TOKEN_BREAK 4 -#define TOKEN_CONTINUE 5 -#define TOKEN_RETURN 6 -#define TOKEN_GOTO 7 -#define TOKEN_FOR 8 // extension -#define TOKEN_TYPEDEF 9 // extension - -// ensure the token types are out of the -// bounds of anyothers that may conflict. -#define TOKEN_FLOAT 110 -#define TOKEN_VECTOR 111 -#define TOKEN_STRING 112 -#define TOKEN_ENTITY 113 -#define TOKEN_VOID 114 +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 (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); -/* - * 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 - */ -#define LEX_COMMENT 1128 -#define LEX_CHRLIT 1129 -#define LEX_STRLIT 1130 -#define LEX_IDENT 1131 - -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_d (void *, unsigned int, const char *); -void util_meminfo (); - -char *util_strdup (const char *); -char *util_strrq (char *); -char *util_strrnl (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); +uint32_t util_crc32(const char *, int, register const short); #ifdef NOTRACK # define mem_a(x) malloc(x) @@ -177,41 +208,91 @@ uint32_t util_crc32(const char *, int, register const short); # define mem_d(x) util_memory_d((x), __LINE__, __FILE__) #endif -#define VECTOR_MAKE(T,N) \ - T* N##_data = NULL; \ - long N##_elements = 0; \ - long N##_allocated = 0; \ - 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++; \ - } - -//=================================================================== -//=========================== code.c ================================ -//=================================================================== -#define TYPE_VOID 0 -#define TYPE_STRING 1 -#define TYPE_FLOAT 2 -#define TYPE_VECTOR 3 -#define TYPE_ENTITY 4 -#define TYPE_FIELD 5 -#define TYPE_FUNCTION 6 -#define TYPE_POINTER 7 +/* + * 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)) + +/* Builds vector type (usefull for inside structures) */ +#define VECTOR_SNAP(X,Y) X ## Y +#define VECTOR_FILL(X,Y) VECTOR_SNAP(X,Y) +#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) { \ + void *temp = NULL; \ + if (N##_elements == N##_allocated) { \ + if (N##_allocated == 0) { \ + N##_allocated = 12; \ + } else { \ + N##_allocated *= 2; \ + } \ + if (!(temp = mem_a(N##_allocated * sizeof(T)))) { \ + 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; \ + } \ + typedef char VECTOR_FILL(extra_semicolon_,__COUNTER__) +#define VECTOR_PROT(T,N) \ + extern T* N##_data ; \ + extern long N##_elements ; \ + extern long N##_allocated; \ + int N##_add(T); \ + int N##_put(T *, size_t) +#define VECTOR_MAKE(T,N) \ + VECTOR_TYPE(T,N); \ + VECTOR_CORE(T,N) + +/*===================================================================*/ +/*=========================== 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_QUATERNION , + TYPE_MATRIX , + TYPE_VARIANT , + + TYPE_COUNT +}; + +extern const char *type_name[TYPE_COUNT]; + +extern size_t type_sizeof[TYPE_COUNT]; +extern uint16_t type_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]; /* * Each paramater incerements by 3 since vector types hold @@ -230,23 +311,23 @@ uint32_t util_crc32(const char *, int, register const short); 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 * { @@ -288,8 +369,8 @@ 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). */ @@ -297,8 +378,8 @@ enum { INSTR_DONE, INSTR_MUL_F, INSTR_MUL_V, - INSTR_MUL_FV, INSTR_MUL_VF, + INSTR_MUL_FV, INSTR_DIV_F, INSTR_ADD_F, INSTR_ADD_V, @@ -359,13 +440,45 @@ enum { INSTR_AND, INSTR_OR, INSTR_BITAND, - INSTR_BITOR + INSTR_BITOR, + +/* warning: will be reordered */ + INSTR_MUL_Q, + INSTR_MUL_QF, + INSTR_MUL_M, + INSTR_MUL_MF, + INSTR_EQ_Q, + INSTR_EQ_M, + INSTR_NE_Q, + INSTR_NE_M, + INSTR_LOAD_Q, + INSTR_LOAD_M, + INSTR_STORE_Q, + INSTR_STORE_M, + INSTR_STOREP_Q, + INSTR_STOREP_M, + INSTR_INV_Q, + INSTR_INV_M, + /* + * 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 ); @@ -373,109 +486,284 @@ enum { * 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_strings_add (const char *); /* function wrapping code_chars_add */ -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; +VECTOR_PROT(prog_section_statement, code_statements); +VECTOR_PROT(prog_section_statement, code_statements); +VECTOR_PROT(prog_section_def, code_defs ); +VECTOR_PROT(prog_section_field, code_fields ); +VECTOR_PROT(prog_section_function, code_functions ); +VECTOR_PROT(int, code_globals ); +VECTOR_PROT(char, code_chars ); /* * 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); -//=================================================================== -//========================= assembler.c ============================= -//=================================================================== +/*===================================================================*/ +/*========================= 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_VF" , 3, 6 }, + { "MUL_FV" , 3, 6 }, + { "DIV" , 0, 3 }, + { "ADD_F" , 3, 5 }, + { "ADD_V" , 3, 5 }, + { "SUB_F" , 3, 5 }, + { "DUB_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 }, + + { "MUL_Q" , 3, 5 }, + { "MUL_QF" , 3, 6 }, + { "MUL_M" , 3, 5 }, + { "MUL_MF" , 3, 6 }, + { "EQ_Q" , 0, 4 }, + { "EQ_M" , 0, 4 }, + { "NE_Q" , 0, 4 }, + { "NE_M" , 0, 4 }, + { "FIELD_Q" , 0, 7 }, + { "FIELD_M" , 0, 7 }, + { "STORE_Q" , 0, 7 }, + { "STORE_M" , 0, 7 }, + { "STOREP_Q" , 0, 8 }, + { "STOREP_M" , 0, 8 }, + { "INV_Q" , 0, 5 }, + { "INV_M" , 0, 5 }, + + { "END" , 0, 3 } /* virtual assembler instruction */ }; void asm_init (const char *, FILE **); void asm_close(FILE *); void asm_parse(FILE *); -//====================================================================== -//============================= main.c ================================= -//====================================================================== -extern int opts_debug; -extern int opts_memchk; +/*===================================================================*/ +/*============================= main.c ==============================*/ +/*===================================================================*/ +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; +/*===================================================================*/ +/*============================= 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_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 */ +}; + +typedef struct { + float x, y, z; +} vector; + +typedef float matrix[4][4]; /* OpenGL layout */ +typedef float quaternion[4]; /* order: x, y, z, w */ +#define MATRIX(axis, elem) ((4*(axis)) + (elem)) +#define QUAT_X 0 +#define QUAT_Y 1 +#define QUAT_Z 2 +#define QUAT_W 3 + +/* + * 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; #endif