X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=gmqcc.h;h=7eb835907115b3291371e3c75e90892457c517dc;hb=db879bd626af0003840ee32df41cf17714680ac8;hp=e8e3df055fee3c2ea6166f4a907a8bf2ba29a548;hpb=e4bc0a2d6a6c35c67f8920c555c3564e6002de84;p=xonotic%2Fgmqcc.git diff --git a/gmqcc.h b/gmqcc.h index e8e3df0..7eb8359 100644 --- a/gmqcc.h +++ b/gmqcc.h @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 - * Dale Weiler + * Dale Weiler * * 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 @@ -22,48 +22,124 @@ */ #ifndef GMQCC_HDR #define GMQCC_HDR +#include +#include +#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) +# define bool _Bool +# if __STDC_VERSION__ < 199901L && __GNUC__ < 3 + typedef int _Bool +# endif +# endif /* !__cplusplus */ + +/* + * stdint.h and inttypes.h -less subset + * for systems that don't have it, which we must + * assume is all systems. (int8_t not required) + */ +#if CHAR_MIN == -128 + typedef unsigned char uint8_t; /* same as below */ +#elif SCHAR_MIN == -128 + typedef unsigned char uint8_t; /* same as above */ +#endif +#if SHRT_MAX == 0x7FFF + typedef short int16_t; + typedef unsigned short uint16_t; +#elif INT_MAX == 0x7FFF + typedef int int16_t; + typedef unsigned int uint16_t; +#endif +#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 +#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 +/* 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 uint32_size_is_correct [sizeof(uint32_t) == 4?1:-1]; +//typedef char int8_size_is_correct [sizeof(int8_t) == 1?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]; +/* 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? */ + 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) */ -#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 +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. -#define TOKEN_FLOAT 110 -#define TOKEN_VECTOR 111 -#define TOKEN_STRING 112 -#define TOKEN_ENTITY 113 -#define TOKEN_VOID 114 + // 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 @@ -71,15 +147,18 @@ struct lex_file { * 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 +enum { + LEX_COMMENT = 1128, + LEX_CHRLIT , + LEX_STRLIT , + LEX_IDENT +}; -int lex_token(struct lex_file *); -void lex_reset(struct lex_file *); -void lex_close(struct lex_file *); -struct lex_file *lex_open (FILE *); +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 ================================ @@ -89,177 +168,380 @@ struct lex_file *lex_open (FILE *); #define ERROR_INTERNAL (SHRT_MAX+2) #define ERROR_COMPILER (SHRT_MAX+3) #define ERROR_PREPRO (SHRT_MAX+4) -int error(int, const char *, ...); +int error(struct lex_file *, int, const char *, ...); //=================================================================== //========================== parse.c ================================ //=================================================================== -int parse_tree(struct lex_file *); -struct parsenode { - struct parsenode *next; - int type; /* some token */ -}; +int parse_gen(struct lex_file *); //=================================================================== //========================== typedef.c ============================== //=================================================================== typedef struct typedef_node_t { - char *name; + char *name; } typedef_node; void typedef_init(); void typedef_clear(); typedef_node *typedef_find(const char *); -int typedef_add (const char *, 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 *); -char *util_strdup (const char *); +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); #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) #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__) #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 = realloc(N##_data, (N##_allocated * sizeof(T))); \ - if (!temp) { \ - free(temp); \ - return -1; \ - } \ - N##_data = (T*)temp; \ - } \ - N##_data[N##_elements] = element; \ - return N##_elements++; \ +/* 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 ================================ //=================================================================== -#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 +enum { + TYPE_VOID , + TYPE_STRING , + TYPE_FLOAT , + TYPE_VECTOR , + TYPE_ENTITY , + TYPE_FIELD , + TYPE_FUNCTION , + TYPE_POINTER +}; /* * 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_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 */ + }; + /* operand 2 */ + union { + int16_t s2; /* signed */ + uint16_t u2; /* unsigned */ + }; + /* operand 3 */ + union { + int16_t s3; /* signed */ + uint16_t u3; /* unsigned */ + }; + + /* + * 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; + +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; +typedef prog_section_both prog_section_def; +typedef prog_section_both prog_section_field; + +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 */ + uint32_t nargs; /* number of arguments */ + uint8_t argsize[8]; /* size of arguments (keep 8 always?) */ +} prog_section_function; + /* * 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, - INSTR_MUL_VF, - 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_DONE, + INSTR_MUL_F, + INSTR_MUL_V, + INSTR_MUL_FV, + INSTR_MUL_VF, + 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 +}; - INSTR_STORE_F, - INSTR_STORE_V, - INSTR_STORE_S, - INSTR_STORE_ENT, - INSTR_STORE_FLD, - INSTR_STORE_FNC, +/* + * 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; - INSTR_STOREP_F, - INSTR_STOREP_V, - INSTR_STOREP_S, - INSTR_STOREP_ENT, - INSTR_STOREP_FLD, - INSTR_STOREP_FNC, +/* + * code_write -- writes out the compiled file + * code_init -- prepares the code file + */ +void code_write (); +void code_init (); - 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 +//=================================================================== +//========================= assembler.c ============================= +//=================================================================== +static const struct { + const char *m; /* menomic */ + 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 } }; - -void code_write(); +void asm_init (const char *, FILE **); +void asm_close(FILE *); +void asm_parse(FILE *); +//====================================================================== +//============================= 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; #endif