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gmqcc/gmqcc.h
Wolfgang Bumiller b42328dbc6 Switch over to LONGBIT
2012-12-26 21:39:00 +01:00

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/*
* 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
* 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 <limits.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <ctype.h>
/*
* 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 */
#endif
#define GMQCC_VERSION_MAJOR 0
#define GMQCC_VERSION_MINOR 3
#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 <stdbool.h>). 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
/*
* 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
#ifndef _MSC_VER
# include <stdint.h>
#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
/*
*windows makes these prefixed because they're C99
* TODO: utility versions that are type-safe and not
* just plain textual subsitution.
*/
#ifdef _MSC_VER
# define snprintf(X, Y, Z, ...) _snprintf(X, Y, Z, __VA_ARGS__)
/* strtof doesn't exist -> strtod does though :) */
# define strtof(X, Y) (float)(strtod(X, Y))
#endif
/*
* 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 <sys/endian.h>
# elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
# include <machine/endiane.h>
# elif defined (__APPLE__)
# if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
# define BIG_ENDIAN
# elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
# define LITTLE_ENDIAN
# endif
# elif !defined (__MINGW32__)
# include <endian.h>
# if !defined (__BEOS__)
# include <byteswap.h>
# endif
# endif
#endif
#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
# 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
# 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
# endif
#endif
#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
/*===================================================================*/
/*=========================== util.c ================================*/
/*===================================================================*/
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_filexists (const char *);
bool util_strupper (const char *);
bool util_strdigit (const char *);
char *util_strdup (const char *);
void util_debug (const char *, 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);
uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
void util_seed(uint32_t);
uint32_t util_rand();
#ifdef NOTRACK
# define mem_a(x) malloc (x)
# define mem_d(x) free ((void*)x)
# define mem_r(x, n) realloc((void*)x, n)
#else
# define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
# define mem_d(x) util_memory_d((void*)(x), __LINE__, __FILE__)
# define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
#endif
/*
* 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*)(A)) - 1)
#define vec_free(A) ((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) (vec_meta(A)->used -= 1)
#define vec_shrinkto(A,N) (vec_meta(A)->used = (N))
#define vec_shrinkby(A,N) (vec_meta(A)->used -= (N))
#define vec_append(A,N,S) memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))
#define vec_upload(X,Y,S) memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))
#define vec_remove(A,I,N) memmove((A)+(I),(A)+((I)+(N)),sizeof(*(A))*(vec_meta(A)->used-(I)-(N))),vec_meta(A)->used-=(N)
typedef struct hash_table_t {
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_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_htget (hash_table_t *ht, const char *key);
void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
/*===================================================================*/
/*============================ file.c ===============================*/
/*===================================================================*/
GMQCC_INLINE void file_close (FILE *);
GMQCC_INLINE int file_error (FILE *);
GMQCC_INLINE int file_getc (FILE *);
GMQCC_INLINE int file_printf (FILE *, const char *, ...);
GMQCC_INLINE int file_puts (FILE *, const char *);
GMQCC_INLINE int file_seek (FILE *, long int, int);
GMQCC_INLINE size_t file_read (void *, size_t, size_t, FILE *);
GMQCC_INLINE size_t file_write (const void *, size_t, size_t, FILE *);
GMQCC_INLINE FILE *file_open (const char *, const char *);
/*NOINLINE*/ int file_getline(char **, size_t *, FILE *);
/*===================================================================*/
/*=========================== code.c ================================*/
/*===================================================================*/
/* TODO: cleanup */
/* 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_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 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];
extern uint16_t type_eq_instr [TYPE_COUNT];
extern uint16_t type_ne_instr [TYPE_COUNT];
extern 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;
typedef struct {
uint32_t version; /* Program version (6) */
uint16_t crc16;
uint16_t skip;
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;
prog_section globals;
uint32_t entfield; /* Number of entity fields */
} prog_header;
/*
* 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;
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;
/* 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;
/*
* 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 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,
/* A never returning CALL.
* Creating this causes IR blocks to be marked as 'final'.
* No-Return-Call
*/
VINSTR_NRCALL
};
/* TODO: cleanup this mess */
extern prog_section_statement *code_statements;
extern int *code_linenums;
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;
/* uhh? */
typedef float qcfloat;
typedef int32_t qcint;
/*
* code_write -- writes out the compiled file
* code_init -- prepares the code file
*/
bool code_write (const char *filename, const char *lno);
void code_init ();
uint32_t code_genstring (const char *string);
qcint code_alloc_field (size_t qcsize);
/* this function is used to keep statements and linenumbers together */
void code_push_statement(prog_section_statement *stmt, int linenum);
void code_pop_statement();
/*
* 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;
/*===================================================================*/
/*============================ 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();
FILE *con_default_err();
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_init ();
void con_reset ();
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_warnings;
void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
/*===================================================================*/
/*========================= assembler.c =============================*/
/*===================================================================*/
/* TODO: remove this ... */
static const struct {
const char *m; /* menomic */
const size_t o; /* operands */
const size_t l; /* menomic len */
} 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 */
};
/*===================================================================*/
/*============================= 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 x, y, z;
} vector;
vector vec3_add (vector, vector);
vector vec3_sub (vector, vector);
qcfloat vec3_mulvv(vector, vector);
vector vec3_mulvf(vector, float);
/*===================================================================*/
/*============================= 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 _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 *);
bool parser_compile_string(const char *, const char *, size_t);
bool parser_finish (const char *);
void parser_cleanup ();
/*===================================================================*/
/*====================== ftepp.c commandline ========================*/
/*===================================================================*/
bool ftepp_init ();
bool ftepp_preprocess_file (const char *filename);
bool ftepp_preprocess_string(const char *name, const char *str);
void ftepp_finish ();
const char *ftepp_get ();
void ftepp_flush ();
void ftepp_add_define (const char *source, const char *name);
void ftepp_add_macro (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
/*===================================================================*/
/*=========================== utf8lib.c =============================*/
/*===================================================================*/
typedef uint32_t uchar_t;
bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
size_t u8_strlen (const char*);
size_t u8_strnlen (const char*, size_t);
uchar_t u8_getchar (const char*, const char**);
uchar_t u8_getnchar(const char*, const char**, size_t);
int u8_fromchar(uchar_t w, char *to, size_t maxlen);
/*===================================================================*/
/*============================= opts.c ==============================*/
/*===================================================================*/
typedef struct {
const char *name;
longbit bit;
} opts_flag_def;
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 *);
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) }
};
enum {
# define GMQCC_TYPE_OPTIMIZATIONS
# define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
# include "opts.def"
COUNT_OPTIMIZATIONS
};
static const opts_flag_def opts_opt_list[] = {
# define GMQCC_TYPE_OPTIMIZATIONS
# define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
# include "opts.def"
{ NULL, LONGBIT(0) }
};
static const unsigned int opts_opt_oflag[] = {
# define GMQCC_TYPE_OPTIMIZATIONS
# define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
# include "opts.def"
0
};
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;
/* TODO: cleanup this */
typedef struct {
uint32_t O; /* -Ox */
const char *output; /* -o file */
bool quiet; /* -q --quiet */
bool g; /* -g */
opts_std_t standard; /* -std= */
bool debug; /* -debug */
bool memchk; /* -memchk */
bool dumpfin; /* -dumpfin */
bool dump; /* -dump */
bool forcecrc; /* --force-crc= */
uint16_t forced_crc; /* --force-crc= */
bool pp_only; /* -E */
size_t max_array_size; /* --max-array= */
uint32_t flags [1 + (COUNT_FLAGS / 32)];
uint32_t warn [1 + (COUNT_WARNINGS / 32)];
uint32_t werror [1 + (COUNT_WARNINGS / 32)];
uint32_t optimization[1 + (COUNT_OPTIMIZATIONS / 32)];
} opts_cmd_t;
extern opts_cmd_t opts;
#define OPTS_FLAG(i) (!! (opts.flags [(i)/32] & (1<< ((i)%32))))
#define OPTS_WARN(i) (!! (opts.warn [(i)/32] & (1<< ((i)%32))))
#define OPTS_WERROR(i) (!! (opts.werror [(i)/32] & (1<< ((i)%32))))
#define OPTS_OPTIMIZATION(i) (!! (opts.optimization[(i)/32] & (1<< ((i)%32))))
#endif
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