#include <stdlib.h>
#include <string.h>
#include <stdio.h>
+#include <stdarg.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 */
+# pragma warning(disable : 4996 ) /* This function or variable may be unsafe */
+# pragma warning(disable : 4700 ) /* uninitialized local variable used */
+#endif
+
#define GMQCC_VERSION_MAJOR 0
#define GMQCC_VERSION_MINOR 1
#define GMQCC_VERSION_PATCH 0
#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;
+#endif
+
+#if defined(__GNUC__) || defined (__CLANG__)
+ typedef int int64_t __attribute__((__mode__(__DI__)));
+ typedef unsigned int uint64_t __attribute__((__mode__(__DI__)));
+#elif defined(_MSC_VER)
+ typedef __int64 int64_t;
+ typedef unsigned __int64 uint64_t;
+#else
/*
- * 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
+ * Incoorectly size the types so static assertions below will
+ * fail. There is no valid way to get a 64bit type at this point
+ * without making assumptions of too many things.
+ */
+ typedef struct { char _fail : 0; } int64_t;
+ typedef struct { char _fail : 0; } uint64_t;
#endif
#ifdef _LP64 /* long pointer == 64 */
typedef unsigned long uintptr_t;
typedef 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];
+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 ================================*/
-/*===================================================================*/
-typedef struct lex_file_t {
- 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? */
-} lex_file;
-
-/*
- * It's important that this table never exceed 32 keywords, the ascii
- * table starts at 33 (and we don't want conflicts)
- */
-enum {
- TOKEN_DO ,
- TOKEN_ELSE ,
- TOKEN_IF ,
- TOKEN_WHILE ,
- TOKEN_BREAK ,
- TOKEN_CONTINUE ,
- TOKEN_RETURN ,
- TOKEN_GOTO ,
- TOKEN_FOR , /* extension */
- TOKEN_TYPEDEF , /* extension */
-
- /* ensure the token types are out of the */
- /* bounds of anyothers that may conflict. */
- TOKEN_FLOAT = 110,
- TOKEN_VECTOR ,
- TOKEN_STRING ,
- TOKEN_ENTITY ,
- TOKEN_VOID
-};
-
-/*
- * Lexer state constants, these are numbers for where exactly in
- * the lexing the lexer is at. Or where it decided to stop if a lexer
- * error occurs. These numbers must be > where the ascii-table ends
- * and > the last type token which is TOKEN_VOID
- */
-enum {
- LEX_COMMENT = 1128,
- LEX_CHRLIT ,
- LEX_STRLIT ,
- LEX_IDENT
-};
-
-int lex_token (lex_file *);
-void lex_reset (lex_file *);
-void lex_close (lex_file *);
-void lex_parse (lex_file *);
-lex_file *lex_include(lex_file *, const char *);
-void lex_init (const char *, lex_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(lex_file *, int, const char *, ...);
-
-/*===================================================================*/
-/*========================== parse.c ================================*/
-/*===================================================================*/
-int parse_gen(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 (lex_file *file, const char *, const char *);
-
-
/*===================================================================*/
/*=========================== util.c ================================*/
/*===================================================================*/
+FILE *util_fopen(const char *filename, const char *mode);
+
void *util_memory_a (unsigned int, unsigned int, const char *);
void util_memory_d (void *, unsigned int, const char *);
void util_meminfo ();
int util_getline (char **, size_t *, FILE *);
void util_endianswap (void *, int, int);
+size_t util_strtocmd (const char *, char *, size_t);
+size_t util_strtononcmd (const char *, char *, size_t);
+
uint32_t util_crc32(const char *, int, register const short);
#ifdef NOTRACK
while (N##_add(*++elements) != -1 && len--); \
return N##_elements; \
} \
- typedef char VECTOR_FILL(extra_semicolon_,__COUNTER__)
+ typedef char VECTOR_FILL(extra_semicolon_##N,__COUNTER__)
#define VECTOR_PROT(T,N) \
extern T* N##_data ; \
extern long N##_elements ; \
TYPE_FIELD ,
TYPE_FUNCTION ,
TYPE_POINTER ,
- /* TYPE_INTEGER , */
+ TYPE_INTEGER ,
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
* are at a seperate place.
*/
extern uint16_t type_storep_instr[TYPE_COUNT];
+/* other useful lists */
+extern uint16_t type_eq_instr[TYPE_COUNT];
+extern uint16_t type_ne_instr[TYPE_COUNT];
+
+typedef struct {
+ uint32_t offset; /* Offset in file of where data begins */
+ uint32_t length; /* Length of section (how many of) */
+} prog_section;
+
+typedef struct {
+ uint32_t version; /* Program version (6) */
+ uint16_t crc16; /* What is this? */
+ uint16_t skip; /* see propsal.txt */
+
+ prog_section statements; /* prog_section_statement */
+ prog_section defs; /* prog_section_def */
+ prog_section fields; /* prog_section_field */
+ prog_section functions; /* prog_section_function */
+ prog_section strings; /* What is this? */
+ prog_section globals; /* What is this? */
+ uint32_t entfield; /* Number of entity fields */
+} prog_header;
/*
* Each paramater incerements by 3 since vector types hold
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 */
INSTR_DONE,
INSTR_MUL_F,
INSTR_MUL_V,
- INSTR_MUL_FV,
- INSTR_MUL_VF,
+ INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
+ INSTR_MUL_VF, /* and here: B != C */
INSTR_DIV_F,
INSTR_ADD_F,
INSTR_ADD_V,
VECTOR_PROT(int, code_globals );
VECTOR_PROT(char, code_chars );
+typedef float qcfloat;
+typedef int32_t qcint;
+
/*
* code_write -- writes out the compiled file
* code_init -- prepares the code file
void code_init ();
uint32_t code_genstring (const char *string);
uint32_t code_cachedstring(const char *string);
+qcint code_alloc_field (size_t qcsize);
/*===================================================================*/
/*========================= assembler.c =============================*/
{ "ADD_F" , 3, 5 },
{ "ADD_V" , 3, 5 },
{ "SUB_F" , 3, 5 },
- { "DUB_V" , 3, 5 },
+ { "SUB_V" , 3, 5 },
{ "EQ_F" , 0, 4 },
{ "EQ_V" , 0, 4 },
{ "EQ_S" , 0, 4 },
{ "OR" , 0, 2 },
{ "BITAND" , 0, 6 },
{ "BITOR" , 0, 5 },
+
{ "END" , 0, 3 } /* virtual assembler instruction */
};
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;
-/*===================================================================*/
/*============================= ast.c ===============================*/
/*===================================================================*/
#define MEM_VECTOR_PROTO(Towner, Tmem, mem) \
size_t name##_count; \
size_t name##_alloc
-#define _MEM_VEC_FUN_ADD(Tself, Twhat, mem) \
+#define MEM_VEC_FUN_ADD(Tself, Twhat, mem) \
bool GMQCC_WARN Tself##_##mem##_add(Tself *self, Twhat f) \
{ \
Twhat *reall; \
return true; \
}
-#define _MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
+#define MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
bool GMQCC_WARN Tself##_##mem##_remove(Tself *self, size_t idx) \
{ \
size_t i; \
return true; \
}
-#define _MEM_VEC_FUN_FIND(Tself, Twhat, mem) \
+#define MEM_VEC_FUN_FIND(Tself, Twhat, mem) \
bool GMQCC_WARN Tself##_##mem##_find(Tself *self, Twhat obj, size_t *idx) \
{ \
size_t i; \
return false; \
}
-#define _MEM_VEC_FUN_CLEAR(Tself, mem) \
+#define MEM_VEC_FUN_APPEND(Tself, Twhat, mem) \
+bool GMQCC_WARN Tself##_##mem##_append(Tself *s, Twhat *p, size_t c) \
+{ \
+ Twhat *reall; \
+ if (s->mem##_count+c > s->mem##_alloc) { \
+ if (!s->mem##_alloc) { \
+ s->mem##_alloc = c < 16 ? 16 : c; \
+ s->mem = (Twhat*)mem_a(sizeof(Twhat) * s->mem##_alloc); \
+ } else { \
+ s->mem##_alloc *= 2; \
+ if (s->mem##_count+c >= s->mem##_alloc) { \
+ s->mem##_alloc = s->mem##_count+c; \
+ } \
+ reall = (Twhat*)mem_a(sizeof(Twhat) * s->mem##_alloc); \
+ if (!reall) { \
+ return false; \
+ } \
+ memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \
+ mem_d(s->mem); \
+ s->mem = reall; \
+ } \
+ } \
+ memcpy(&s->mem[s->mem##_count], p, c*sizeof(*p)); \
+ s->mem##_count += c; \
+ return true; \
+}
+
+#define MEM_VEC_FUN_RESIZE(Tself, Twhat, mem) \
+bool GMQCC_WARN Tself##_##mem##_resize(Tself *s, size_t c) \
+{ \
+ Twhat *reall; \
+ if (c > s->mem##_alloc) { \
+ reall = (Twhat*)mem_a(sizeof(Twhat) * c); \
+ if (!reall) { return false; } \
+ memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \
+ s->mem##_alloc = c; \
+ s->mem##_count = c; \
+ mem_d(s->mem); \
+ s->mem = reall; \
+ return true; \
+ } \
+ s->mem##_count = c; \
+ if (c < (s->mem##_alloc / 2)) { \
+ reall = (Twhat*)mem_a(sizeof(Twhat) * c); \
+ if (!reall) { return false; } \
+ memcpy(reall, s->mem, sizeof(Twhat) * c); \
+ mem_d(s->mem); \
+ s->mem = reall; \
+ } \
+ return true; \
+}
+
+#define MEM_VEC_FUN_CLEAR(Tself, mem) \
void Tself##_##mem##_clear(Tself *self) \
{ \
if (!self->mem) \
(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)
+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)
+MEM_VEC_FUN_CLEAR(Tself, mem) \
+MEM_VEC_FUN_FIND(Tself, Twhat, mem)
enum store_types {
store_global,
};
typedef struct {
- float x, y, z;
+ qcfloat x, y, z;
} vector;
+vector vec3_add (vector, vector);
+vector vec3_sub (vector, vector);
+qcfloat vec3_mulvv(vector, vector);
+vector vec3_mulvf(vector, float);
+
/*
* A shallow copy of a lex_file to remember where which ast node
* came from.
const char *file;
size_t line;
} lex_ctx;
+
+/*===================================================================*/
+/*============================= exec.c ==============================*/
+/*===================================================================*/
+
+/* darkplaces has (or will have) a 64 bit prog loader
+ * where the 32 bit qc program is autoconverted on load.
+ * Since we may want to support that as well, let's redefine
+ * float and int here.
+ */
+typedef union {
+ qcint _int;
+ qcint string;
+ qcint function;
+ qcint edict;
+ qcfloat _float;
+ qcfloat vector[3];
+ qcint ivector[3];
+} qcany;
+
+typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
+typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
+
+enum {
+ VMERR_OK,
+ VMERR_TEMPSTRING_ALLOC,
+
+ VMERR_END
+};
+
+#define VM_JUMPS_DEFAULT 1000000
+
+/* execute-flags */
+#define VMXF_DEFAULT 0x0000 /* default flags - nothing */
+#define VMXF_TRACE 0x0001 /* trace: print statements before executing */
+#define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
+
+struct qc_program_s;
+
+typedef int (*prog_builtin)(struct qc_program_s *prog);
+
+typedef struct {
+ qcint stmt;
+ size_t localsp;
+ prog_section_function *function;
+} qc_exec_stack;
+
+typedef struct qc_program_s {
+ char *filename;
+
+ MEM_VECTOR_MAKE(prog_section_statement, code);
+ MEM_VECTOR_MAKE(prog_section_def, defs);
+ MEM_VECTOR_MAKE(prog_section_def, fields);
+ MEM_VECTOR_MAKE(prog_section_function, functions);
+ MEM_VECTOR_MAKE(char, strings);
+ MEM_VECTOR_MAKE(qcint, globals);
+ MEM_VECTOR_MAKE(qcint, entitydata);
+ MEM_VECTOR_MAKE(bool, entitypool);
+
+ uint16_t crc16;
+
+ size_t tempstring_start;
+ size_t tempstring_at;
+
+ qcint vmerror;
+
+ MEM_VECTOR_MAKE(size_t, profile);
+
+ MEM_VECTOR_MAKE(prog_builtin, builtins);
+
+ /* size_t ip; */
+ qcint entities;
+ size_t entityfields;
+ bool allowworldwrites;
+
+ MEM_VECTOR_MAKE(qcint, localstack);
+ MEM_VECTOR_MAKE(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);
+
+/*===================================================================*/
+/*===================== error.c message printer =====================*/
+/*===================================================================*/
+
+#ifndef WIN32
+enum {
+ CON_BLACK = 30,
+ CON_RED,
+ CON_GREEN,
+ CON_BROWN,
+ CON_BLUE,
+ CON_MAGENTA,
+ CON_CYAN ,
+ CON_WHITE
+};
+#endif
+enum {
+ LVL_MSG,
+ LVL_WARNING,
+ LVL_ERROR
+};
+
+void vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
+void printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
+void cvprintmsg(lex_ctx ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
+void cprintmsg (lex_ctx ctx, int lvl, const char *msgtype, const char *msg, ...);
+
+/*===================================================================*/
+/*===================== parser.c commandline ========================*/
+/*===================================================================*/
+
+bool parser_init ();
+bool parser_compile(const char *filename);
+bool parser_finish (const char *output);
+void parser_cleanup();
+
+/*===================================================================*/
+/*======================= main.c commandline ========================*/
+/*===================================================================*/
+
+#if 0
+/* Helpers to allow for a whole lot of flags. Otherwise we'd limit
+ * to 32 or 64 -f options...
+ */
+typedef struct {
+ size_t idx; /* index into an array of 32 bit words */
+ uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
+} longbit;
+#define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
+#else
+typedef uint32_t longbit;
+#define LONGBIT(bit) (bit)
+#endif
+
+/* Used to store the list of flags with names */
+typedef struct {
+ const char *name;
+ longbit bit;
+} opts_flag_def;
+
+/*===================================================================*/
+/* list of -f flags, like -fdarkplaces-string-table-bug */
+enum {
+# define GMQCC_DEFINE_FLAG(X) X,
+# include "flags.def"
+# undef GMQCC_DEFINE_FLAG
+ COUNT_FLAGS
+};
+static const opts_flag_def opts_flag_list[] = {
+# define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
+# include "flags.def"
+# undef GMQCC_DEFINE_FLAG
+ { NULL, LONGBIT(0) }
+};
+
+enum {
+# define GMQCC_DEFINE_FLAG(X) WARN_##X,
+# include "warns.def"
+# undef GMQCC_DEFINE_FLAG
+ COUNT_WARNINGS
+};
+static const opts_flag_def opts_warn_list[] = {
+# define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
+# include "warns.def"
+# undef GMQCC_DEFINE_FLAG
+ { NULL, LONGBIT(0) }
+};
+
+/* other options: */
+enum {
+ COMPILER_QCC, /* circa QuakeC */
+ COMPILER_FTEQCC, /* fteqcc QuakeC */
+ COMPILER_QCCX, /* qccx QuakeC */
+ COMPILER_GMQCC /* this QuakeC */
+};
+extern uint32_t opts_O; /* -Ox */
+extern const char *opts_output; /* -o file */
+extern int opts_standard;
+extern bool opts_debug;
+extern bool opts_memchk;
+extern bool opts_dump;
+extern bool opts_werror;
+extern bool opts_forcecrc;
+extern uint16_t opts_forced_crc;
+
+/*===================================================================*/
+#define OPTS_FLAG(i) (!! (opts_flags[(i)/32] & (1<< ((i)%32))))
+extern uint32_t opts_flags[1 + (COUNT_FLAGS / 32)];
+#define OPTS_WARN(i) (!! (opts_warn[(i)/32] & (1<< ((i)%32))))
+extern uint32_t opts_warn[1 + (COUNT_WARNINGS / 32)];
+
#endif
projects / xonotic / gmqcc.git / blobdiff