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gmqcc/gmqcc.h
Dale Weiler 76278e8b97 s/NULL/nullptr/
2015-01-15 15:18:33 -05:00

858 lines
27 KiB
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#ifndef GMQCC_HDR
#define GMQCC_HDR
#include <vector>
#include <stdarg.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#define GMQCC_VERSION_MAJOR 0
#define GMQCC_VERSION_MINOR 3
#define GMQCC_VERSION_PATCH 6
#define GMQCC_VERSION ((GMQCC_VERSION_MAJOR<<16)|(GMQCC_VERSION_MINOR<<8)|GMQCC_VERSION_PATCH)
#ifdef GMQCC_VERSION_TYPE_RELEASE
# ifdef GMQCC_GITINFO
# define GMQCC_DEV_VERSION_STRING "git build: " GMQCC_GITINFO "\n"
# elif defined(GMQCC_VERSION_TYPE_DEVEL)
# define GMQCC_DEV_VERSION_STRING "development build\n"
# else
# define GMQCC_DEV_VERSION_STRING
# endif /*! GMQCC_GITINGO */
#else
# define GMQCC_DEV_VERSION_STRING
#endif
#define GMQCC_STRINGIFY(x) #x
#define GMQCC_IND_STRING(x) GMQCC_STRINGIFY(x)
#define GMQCC_FULL_VERSION_STRING \
"GMQCC " \
GMQCC_IND_STRING(GMQCC_VERSION_MAJOR) "." \
GMQCC_IND_STRING(GMQCC_VERSION_MINOR) "." \
GMQCC_IND_STRING(GMQCC_VERSION_PATCH) \
" Built " __DATE__ " " __TIME__ \
"\n" GMQCC_DEV_VERSION_STRING
#ifndef __cplusplus
# define false (unsigned char)(0)
# define true (unsigned char)(1)
typedef unsigned char bool;
#endif
#if defined(__GNUC__) || defined(__CLANG__)
# include <stdint.h>
# if (__GNUC__ >= 2) || defined(__CLANG__)
# define GMQCC_NORETURN __attribute__((noreturn))
# define GMQCC_FORCEINLINE __attribute__((always_inline))
# define GMQCC_INLINE __inline
# endif
# define GMQCC_LIKELY(X) __builtin_expect((X), 1)
# define GMQCC_UNLIKELY(X) __builtin_expect((X), 0)
# define GMQCC_WARN __attribute__((warn_unused_result))
# define GMQCC_USED __attribute__((used))
# define GMQCC_RESTRICT __restrict__
#else
# ifdef _MSC_VER
/* conversion from 'int' to 'float', possible loss of data */
# pragma warning(disable : 4244)
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;
# define GMQCC_NORETURN __declspec(noreturn)
# define GMQCC_FORCEINLINE __forceinline
# define GMQCC_INLINE __inline
# define GMQCC_RESTRICT __restrict
# else
# define GMQCC_NORETURN
# define GMQCC_FORCEINLINE
# define GMQCC_INLINE
# define GMQCC_RESTRICT
# endif
# define GMQCC_LIKELY(X) (X)
# define GMQCC_UNLIKELY(X) (X)
# define GMQCC_WARN
# define GMQCC_USED
#endif
#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/endian.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 /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */
# elif !defined (__MINGW32__)
# include <endian.h>
# if !defined (__BEOS__)
# include <byteswap.h>
# endif /*! !definde (__BEOS__) */
# endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */
#endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */
#if !defined(PLATFORM_BYTE_ORDER)
# if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
# if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
# elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
# elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
# elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
# endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */
# elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
# if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
# elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
# elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
# elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
# endif /*! defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) */
# elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
# if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
# elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
# elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
# elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
# endif /*! defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) */
# endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */
#endif /*! !defined(PLATFORM_BYTE_ORDER) */
#if !defined (PLATFORM_BYTE_ORDER)
# if defined (__alpha__) || defined (__alpha) || defined (i386) || \
defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
defined (vax) || defined (vms) || defined (VMS) || \
defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
defined (_M_X64) || defined (__i386) || defined (__x86_64)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
# elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
defined (ibm370) || defined (mc68000) || defined (m68k) || \
defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
defined (__PPC__) || defined (__PPC) || defined (PPC)
# define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
# else
# define PLATFORM_BYTE_ORDER -1
# endif
#endif
#define GMQCC_ARRAY_COUNT(X) (sizeof(X) / sizeof((X)[0]))
/* stat.c */
char *stat_mem_strdup(const char *, bool);
#define mem_a(SIZE) malloc(SIZE)
#define mem_d(PTRN) free((void*)PTRN)
#define mem_r(PTRN, SIZE) realloc((void*)PTRN, SIZE)
#define util_strdup(SRC) stat_mem_strdup((char*)(SRC), false)
#define util_strdupe(SRC) stat_mem_strdup((char*)(SRC), true)
#define util_isalpha(a) ((((unsigned)(a)|32)-'a') < 26)
#define util_isdigit(a) (((unsigned)(a)-'0') < 10)
#define util_islower(a) (((unsigned)(a)-'a') < 26)
#define util_isupper(a) (((unsigned)(a)-'A') < 26)
#define util_isprint(a) (((unsigned)(a)-0x20) < 0x5F)
#define util_isspace(a) (((a) >= 9 && (a) <= 13) || (a) == ' ')
bool util_strupper(const char *);
bool util_strdigit(const char *);
void util_endianswap(void *, size_t, unsigned int);
size_t util_strtocmd (const char *, char *, size_t);
size_t util_strtononcmd (const char *, char *, size_t);
size_t util_optimizationtostr(const char *, char *, size_t);
uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
void util_seed(uint32_t);
uint32_t util_rand(void);
int util_asprintf (char **ret, const char *fmt, ...);
int util_sscanf (const char *str, const char *format, ...);
char *util_strncpy (char *dest, const char *src, size_t n);
char *util_strncat (char *dest, const char *src, size_t n);
char *util_strcat (char *dest, const char *src);
const char *util_strerror(int err);
const struct tm *util_localtime(const time_t *timer);
const char *util_ctime (const time_t *timer);
bool util_isatty(FILE *);
size_t hash(const char *key);
/*
* 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.
*/
struct vector_t {
size_t allocated;
size_t used;
/* can be extended now! whoot */
};
/* hidden interface */
void _util_vec_grow(void **a, size_t i, size_t s);
void _util_vec_delete(void *vec);
#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*)(((char *)(A)) - sizeof(vector_t)))
#define vec_free(A) ((void)((A) ? (_util_vec_delete((void *)(A)), (A) = nullptr) : 0))
#define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
#define vec_size(A) ((A) ? vec_meta(A)->used : 0)
#define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
#define vec_last(A) ((A)[vec_meta(A)->used - 1])
#define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
#define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
#define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
#define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
#define vec_remove(A,I,N) ((void)(memmove((A)+(I),(A)+((I)+(N)),sizeof(*(A))*(vec_meta(A)->used-(I)-(N))),vec_meta(A)->used-=(N)))
typedef struct hash_table_s {
size_t size;
struct hash_node_t **table;
} hash_table_t, *ht;
hash_table_t *util_htnew (size_t size);
void util_htrem(hash_table_t *ht, void (*callback)(void *data));
void util_htset(hash_table_t *ht, const char *key, void *value);
void util_htdel(hash_table_t *ht);
size_t util_hthash(hash_table_t *ht, const char *key);
void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
void util_htrmh(hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
void util_htrm(hash_table_t *ht, const char *key, void (*cb)(void*));
void *util_htget(hash_table_t *ht, const char *key);
void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
int util_snprintf(char *str, size_t, const char *fmt, ...);
int util_getline(char **, size_t *, FILE *);
/* code.c */
/* Note: if you change the order, fix type_sizeof in ir.c */
enum {
TYPE_VOID ,
TYPE_STRING ,
TYPE_FLOAT ,
TYPE_VECTOR ,
TYPE_ENTITY ,
TYPE_FIELD ,
TYPE_FUNCTION ,
TYPE_POINTER ,
TYPE_INTEGER ,
TYPE_VARIANT ,
TYPE_STRUCT ,
TYPE_UNION ,
TYPE_ARRAY ,
TYPE_NIL , /* it's its own type / untyped */
TYPE_NOEXPR , /* simply invalid in expressions */
TYPE_COUNT
};
/* const/var qualifiers */
#define CV_NONE 0
#define CV_CONST 1
#define CV_VAR -1
#define CV_WRONG 0x8000 /* magic number to help parsing */
extern const char *type_name [TYPE_COUNT];
extern const uint16_t type_store_instr [TYPE_COUNT];
extern const uint16_t field_store_instr[TYPE_COUNT];
/*
* could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
* but this breaks when TYPE_INTEGER is added, since with the enhanced
* instruction set, the old ones are left untouched, thus the _I instructions
* are at a seperate place.
*/
extern const uint16_t type_storep_instr[TYPE_COUNT];
extern const uint16_t type_eq_instr [TYPE_COUNT];
extern const uint16_t type_ne_instr [TYPE_COUNT];
extern const uint16_t type_not_instr [TYPE_COUNT];
struct prog_section_t {
uint32_t offset; /* Offset in file of where data begins */
uint32_t length; /* Length of section (how many of) */
};
struct prog_header_t {
uint32_t version; /* Program version (6) */
uint16_t crc16;
uint16_t skip;
prog_section_t statements; /* prog_section_statement */
prog_section_t defs; /* prog_section_def */
prog_section_t fields; /* prog_section_field */
prog_section_t functions; /* prog_section_function */
prog_section_t strings;
prog_section_t globals;
uint32_t entfield; /* Number of entity fields */
};
/*
* 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)
union operand_t {
int16_t s1;
uint16_t u1;
};
struct prog_section_statement_t {
uint16_t opcode;
operand_t o1;
operand_t o2;
operand_t o3;
};
struct prog_section_both_t {
/*
* 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;
};
typedef prog_section_both_t prog_section_def_t;
typedef prog_section_both_t prog_section_field_t;
/* this is ORed to the type */
#define DEF_SAVEGLOBAL (1<<15)
#define DEF_TYPEMASK ((1<<15)-1)
struct prog_section_function_t {
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?) */
};
/*
* Instructions
* These are the external instructions supported by the interperter
* this is what things compile to (from the C code).
*/
enum {
INSTR_DONE,
INSTR_MUL_F,
INSTR_MUL_V,
INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
INSTR_MUL_VF, /* and here: B != C */
INSTR_DIV_F,
INSTR_ADD_F,
INSTR_ADD_V,
INSTR_SUB_F,
INSTR_SUB_V,
INSTR_EQ_F,
INSTR_EQ_V,
INSTR_EQ_S,
INSTR_EQ_E,
INSTR_EQ_FNC,
INSTR_NE_F,
INSTR_NE_V,
INSTR_NE_S,
INSTR_NE_E,
INSTR_NE_FNC,
INSTR_LE,
INSTR_GE,
INSTR_LT,
INSTR_GT,
INSTR_LOAD_F,
INSTR_LOAD_V,
INSTR_LOAD_S,
INSTR_LOAD_ENT,
INSTR_LOAD_FLD,
INSTR_LOAD_FNC,
INSTR_ADDRESS,
INSTR_STORE_F,
INSTR_STORE_V,
INSTR_STORE_S,
INSTR_STORE_ENT,
INSTR_STORE_FLD,
INSTR_STORE_FNC,
INSTR_STOREP_F,
INSTR_STOREP_V,
INSTR_STOREP_S,
INSTR_STOREP_ENT,
INSTR_STOREP_FLD,
INSTR_STOREP_FNC,
INSTR_RETURN,
INSTR_NOT_F,
INSTR_NOT_V,
INSTR_NOT_S,
INSTR_NOT_ENT,
INSTR_NOT_FNC,
INSTR_IF,
INSTR_IFNOT,
INSTR_CALL0,
INSTR_CALL1,
INSTR_CALL2,
INSTR_CALL3,
INSTR_CALL4,
INSTR_CALL5,
INSTR_CALL6,
INSTR_CALL7,
INSTR_CALL8,
INSTR_STATE,
INSTR_GOTO,
INSTR_AND,
INSTR_OR,
INSTR_BITAND,
INSTR_BITOR,
/*
* Virtual instructions used by the IR
* Keep at the end!
*/
VINSTR_END,
VINSTR_PHI,
VINSTR_JUMP,
VINSTR_COND,
/* A never returning CALL.
* Creating this causes IR blocks to be marked as 'final'.
* No-Return-Call
*/
VINSTR_NRCALL,
/* Emulated instructions. */
VINSTR_BITAND_V, /* BITAND_V must be the first emulated bitop */
VINSTR_BITAND_VF,
VINSTR_BITOR_V,
VINSTR_BITOR_VF,
VINSTR_BITXOR,
VINSTR_BITXOR_V,
VINSTR_BITXOR_VF,
VINSTR_CROSS,
VINSTR_NEG_F,
VINSTR_NEG_V
};
/* TODO: elide */
extern const char *util_instr_str[VINSTR_END];
void util_swap_header(prog_header_t &code_header);
void util_swap_statements(std::vector<prog_section_statement_t> &statements);
void util_swap_defs_fields(std::vector<prog_section_both_t> &section);
void util_swap_functions(std::vector<prog_section_function_t> &functions);
void util_swap_globals(std::vector<int32_t> &globals);
typedef float qcfloat_t;
typedef int32_t qcint_t;
typedef uint32_t qcuint_t;
struct code_t {
std::vector<prog_section_statement_t> statements;
std::vector<int> linenums;
std::vector<int> columnnums;
std::vector<prog_section_def_t> defs;
std::vector<prog_section_field_t> fields;
std::vector<prog_section_function_t> functions;
std::vector<int> globals;
std::vector<char> chars;
uint16_t crc;
uint32_t entfields;
ht string_cache;
qcint_t string_cached_empty;
};
/*
* A shallow copy of a lex_file to remember where which ast node
* came from.
*/
struct lex_ctx_t {
const char *file;
size_t line;
size_t column;
};
/*
* code_write -- writes out the compiled file
* code_init -- prepares the code file
* code_genstrin -- generates string for code
* code_alloc_field -- allocated a field
* code_push_statement -- keeps statements and linenumbers together
* code_pop_statement -- keeps statements and linenumbers together
*/
bool code_write (code_t *, const char *filename, const char *lno);
GMQCC_WARN
code_t *code_init (void);
void code_cleanup (code_t *);
uint32_t code_genstring (code_t *, const char *string);
qcint_t code_alloc_field (code_t *, size_t qcsize);
void code_push_statement(code_t *, prog_section_statement_t *stmt, lex_ctx_t ctx);
void code_pop_statement (code_t *);
/* conout.c */
enum {
CON_BLACK = 30,
CON_RED,
CON_GREEN,
CON_BROWN,
CON_BLUE,
CON_MAGENTA,
CON_CYAN ,
CON_WHITE
};
/* message level */
enum {
LVL_MSG,
LVL_WARNING,
LVL_ERROR
};
FILE *con_default_out(void);
FILE *con_default_err(void);
void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap);
void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...);
void con_cvprintmsg(lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
void con_cprintmsg (lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, ...);
void con_close (void);
void con_init (void);
void con_reset (void);
void con_color (int);
int con_verr (const char *, va_list);
int con_vout (const char *, va_list);
int con_err (const char *, ...);
int con_out (const char *, ...);
/* error/warning interface */
extern size_t compile_errors;
extern size_t compile_Werrors;
extern size_t compile_warnings;
void /********/ compile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, ...);
void /********/ vcompile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
bool GMQCC_WARN compile_warning (lex_ctx_t ctx, int warntype, const char *fmt, ...);
bool GMQCC_WARN vcompile_warning(lex_ctx_t ctx, int warntype, const char *fmt, va_list ap);
void compile_show_werrors(void);
/* ir.c */
/* TODO: cleanup */
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 */
};
struct vec3_t {
qcfloat_t x, y, z;
};
/* exec.c */
/* TODO: cleanup */
/*
* Darkplaces has (or will have) a 64 bit prog loader
* where the 32 bit qc program is autoconverted on load.
* Since we may want to support that as well, let's redefine
* float and int here.
*/
typedef union {
qcint_t _int;
qcint_t string;
qcint_t function;
qcint_t edict;
qcfloat_t _float;
qcfloat_t vector[3];
qcint_t ivector[3];
} qcany_t;
typedef char qcfloat_t_size_is_correct [sizeof(qcfloat_t) == 4 ?1:-1];
typedef char qcint_t_size_is_correct [sizeof(qcint_t) == 4 ?1:-1];
enum {
VMERR_OK,
VMERR_TEMPSTRING_ALLOC,
VMERR_END
};
#define VM_JUMPS_DEFAULT 1000000
/* execute-flags */
#define VMXF_DEFAULT 0x0000 /* default flags - nothing */
#define VMXF_TRACE 0x0001 /* trace: print statements before executing */
#define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
struct qc_program_t;
typedef int (*prog_builtin_t)(qc_program_t *prog);
struct qc_exec_stack_t {
qcint_t stmt;
size_t localsp;
prog_section_function_t *function;
};
struct qc_program_t {
char *filename;
std::vector<prog_section_statement_t> code;
std::vector<prog_section_def_t> defs;
std::vector<prog_section_def_t> fields;
std::vector<prog_section_function_t> functions;
std::vector<char> strings;
std::vector<qcint_t> globals;
qcint_t *entitydata;
bool *entitypool;
const char* *function_stack;
uint16_t crc16;
size_t tempstring_start;
size_t tempstring_at;
qcint_t vmerror;
size_t *profile;
prog_builtin_t *builtins;
size_t builtins_count;
/* size_t ip; */
qcint_t entities;
size_t entityfields;
bool allowworldwrites;
qcint_t *localstack;
qc_exec_stack_t *stack;
size_t statement;
size_t xflags;
int argc; /* current arg count for debugging */
/* cached fields */
struct {
qcint_t frame;
qcint_t nextthink;
qcint_t think;
} cached_fields;
struct {
qcint_t self;
qcint_t time;
} cached_globals;
bool supports_state; /* is INSTR_STATE supported? */
};
qc_program_t* prog_load (const char *filename, bool ignoreversion);
void prog_delete (qc_program_t *prog);
bool prog_exec (qc_program_t *prog, prog_section_function_t *func, size_t flags, long maxjumps);
const char* prog_getstring (qc_program_t *prog, qcint_t str);
prog_section_def_t* prog_entfield (qc_program_t *prog, qcint_t off);
prog_section_def_t* prog_getdef (qc_program_t *prog, qcint_t off);
qcany_t* prog_getedict (qc_program_t *prog, qcint_t e);
qcint_t prog_tempstring(qc_program_t *prog, const char *_str);
/* parser.c */
struct parser_t;
parser_t *parser_create(void);
bool parser_compile_file(parser_t *parser, const char *);
bool parser_compile_string(parser_t *parser, const char *, const char *, size_t);
bool parser_finish(parser_t *parser, const char *);
void parser_cleanup(parser_t *parser);
/* ftepp.c */
struct ftepp_t;
ftepp_t *ftepp_create (void);
bool ftepp_preprocess_file (ftepp_t *ftepp, const char *filename);
bool ftepp_preprocess_string(ftepp_t *ftepp, const char *name, const char *str);
void ftepp_finish(ftepp_t *ftepp);
const char *ftepp_get(ftepp_t *ftepp);
void ftepp_flush(ftepp_t *ftepp);
void ftepp_add_define(ftepp_t *ftepp, const char *source, const char *name);
void ftepp_add_macro(ftepp_t *ftepp, const char *name, const char *value);
/* main.c */
#if 1
/* Helpers to allow for a whole lot of flags. Otherwise we'd limit
* to 32 or 64 -f options...
*/
struct longbit {
size_t idx; /* index into an array of 32 bit words */
uint8_t bit; /* bit index for the 8 bit group idx points to */
};
#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
/* utf.8 */
typedef long utf8ch_t;
int utf8_from(char *, utf8ch_t);
int utf8_to(utf8ch_t *, const unsigned char *, size_t);
/* opts.c */
struct opts_flag_def_t {
const char *name;
longbit bit;
};
bool opts_setflag (const char *, bool);
bool opts_setwarn (const char *, bool);
bool opts_setwerror(const char *, bool);
bool opts_setoptim (const char *, bool);
void opts_init (const char *, int, size_t);
void opts_set (uint32_t *, size_t, bool);
void opts_setoptimlevel(unsigned int);
void opts_ini_init (const char *);
/* Saner flag handling */
void opts_backup_non_Wall(void);
void opts_restore_non_Wall(void);
void opts_backup_non_Werror_all(void);
void opts_restore_non_Werror_all(void);
enum {
# define GMQCC_TYPE_FLAGS
# define GMQCC_DEFINE_FLAG(X) X,
# include "opts.def"
COUNT_FLAGS
};
enum {
# define GMQCC_TYPE_WARNS
# define GMQCC_DEFINE_FLAG(X) WARN_##X,
# include "opts.def"
COUNT_WARNINGS
};
enum {
# define GMQCC_TYPE_OPTIMIZATIONS
# define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
# include "opts.def"
COUNT_OPTIMIZATIONS
};
enum {
# define GMQCC_TYPE_OPTIONS
# define GMQCC_DEFINE_FLAG(X) OPTION_##X,
# include "opts.def"
OPTION_COUNT
};
extern const opts_flag_def_t opts_flag_list[COUNT_FLAGS+1];
extern const opts_flag_def_t opts_warn_list[COUNT_WARNINGS+1];
extern const opts_flag_def_t opts_opt_list[COUNT_OPTIMIZATIONS+1];
extern const unsigned int opts_opt_oflag[COUNT_OPTIMIZATIONS+1];
extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
/* other options: */
enum {
COMPILER_QCC, /* circa QuakeC */
COMPILER_FTEQCC, /* fteqcc QuakeC */
COMPILER_QCCX, /* qccx QuakeC */
COMPILER_GMQCC /* this QuakeC */
};
struct opt_value_t {
union {
bool b;
uint16_t u16;
uint32_t u32;
union {
char *p;
const char *c;
} str;
} data;
bool allocated;
};
struct opts_cmd_t {
opt_value_t options [OPTION_COUNT];
uint32_t flags [1 + (COUNT_FLAGS / 32)];
uint32_t warn [1 + (COUNT_WARNINGS / 32)];
uint32_t werror [1 + (COUNT_WARNINGS / 32)];
uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
bool optimizeoff; /* True when -O0 */
};
extern opts_cmd_t opts;
#define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1U << (unsigned)((i)%32))))
#define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
#define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
#define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
#define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
#define OPTS_OPTION_DUPED(X) (opts.options[X].allocated)
#define OPTS_OPTION_BOOL(X) (opts.options[X].data.b)
#define OPTS_OPTION_U16(X) (opts.options[X].data.u16)
#define OPTS_OPTION_U32(X) (opts.options[X].data.u32)
#define OPTS_OPTION_STR(X) (opts.options[X].data.str.c)
#define OPTS_OPTION_DUP(X) *(OPTS_OPTION_DUPED(X)=true, &(opts.options[X].data.str.p))
#endif /*! GMQCC_HDR */
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