/*
- * Copyright (C) 2012
- * Dale Weiler
+ * Copyright (C) 2012
+ * Dale Weiler, Wolfgang Bumiller
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
*/
#ifndef GMQCC_HDR
#define GMQCC_HDR
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
#include <stdio.h>
+#include <stdarg.h>
+#include <ctype.h>
-/* The types supported by the language */
-#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
+/*
+ * 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
+#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)
/*
- * there are 3 accessible memory zones -
- * globals
- * array of 32bit ints/floats, mixed, LE,
- * entities
- * structure is up to the engine but the fields are a linear array
- * of mixed ints/floats, there are globals referring to the offsets
- * of these in the entity struct so there are ADDRESS and STOREP and
- * LOAD instructions that use globals containing field offsets.
- * strings
- * a static array in the progs.dat, with file parsing creating
- * additional constants, and some engine fields are mapped by
- * address as well to unique string offsets
- */
-
-/*
- * Instructions
- * These are the external instructions supported by the interperter
- * this is what things compile to (from the C code). This is not internal
- * instructions for support like int, and such (which are translated)
- */
-#define INSTR_DONE 0
-// math
-#define INSTR_MUL_F 1 /* multiplication float */
-#define INSTR_MUL_V 2 /* multiplication vector */
-#define INSTR_MUL_FV 3 /* multiplication float->vector */
-#define INSTR_MUL_VF 4 /* multiplication vector->float */
-#define INSTR_DIV_F 5
-#define INSTR_ADD_F 6
-#define INSTR_ADD_V 7
-#define INSTR_SUB_F 8
-#define INSTR_SUB_V 9
-// compare
-#define INSTR_EQ_F 10
-#define INSTR_EQ_V 11
-#define INSTR_EQ_S 12
-#define INSTR_EQ_E 13
-#define INSTR_EQ_FNC 14
-#define INSTR_NE_F 15
-#define INSTR_NE_V 16
-#define INSTR_NE_S 17
-#define INSTR_NE_E 18
-#define INSTR_NE_FNC 19
-// multi compare
-#define INSTR_LE 20
-#define INSTR_GE 21
-#define INSTR_LT 22
-#define INSTR_GT 23
-// load and store
-#define INSTR_LOAD_F 24
-#define INSTR_LOAD_V 25
-#define INSTR_LOAD_S 26
-#define INSTR_LOAD_ENT 27
-#define INSTR_LOAD_FLD 28
-#define INSTR_LOAD_FNC 29
-#define INSTR_STORE_F 31
-#define INSTR_STORE_V 32
-#define INSTR_STORE_S 33
-#define INSTR_STORE_ENT 34
-#define INSTR_STORE_FLD 35
-#define INSTR_STORE_FNC 36
-// others
-#define INSTR_ADDRESS 30
-#define INSTR_RETURN 37
-#define INSTR_NOT_F 38
-#define INSTR_NOT_V 39
-#define INSTR_NOT_S 40
-#define INSTR_NOT_ENT 41
-#define INSTR_NOT_FNC 42
-#define INSTR_IF 43
-#define INSTR_IFNOT 44
-#define INSTR_CALL0 45
-#define INSTR_CALL1 46
-#define INSTR_CALL2 47
-#define INSTR_CALL3 48
-#define INSTR_CALL4 49
-#define INSTR_CALL5 50
-#define INSTR_CALL6 51
-#define INSTR_CALL7 52
-#define INSTR_CALL8 53
-#define INSTR_STATE 54
-#define INSTR_GOTO 55
-#define INSTR_AND 56
-#define INSTR_OR 57
-#define INSTR_BITAND 59
-#define INSTR_BITOR 60
-
-#define mem_a(x) malloc(x)
-#define mem_d(x) free (x)
+ * 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
+#else
+# define GMQCC_INLINE
+#endif /* !__STDC_VERSION__ */
+
+/*
+ * noreturn is present in GCC and clang
+ * it's required for _ast_node_destory otherwise -Wmissing-noreturn
+ * in clang complains about there being no return since abort() is
+ * called.
+ */
+#if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
+# define GMQCC_NORETURN __attribute__ ((noreturn))
+#else
+# define GMQCC_NORETURN
+#endif
+
+/*
+ * stdint.h and inttypes.h -less subset
+ * for systems that don't have it, which we must
+ * 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
+
+
+#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
+ /*
+ * 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 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_is_correct [sizeof(uint16_t) == 2?1:-1];
+typedef char uint32_size_is_correct [sizeof(uint32_t) == 4?1:-1];
+typedef char uint64_size_is_correct [sizeof(uint64_t) == 8?1:-1];
+typedef char int16_size_if_correct [sizeof(int16_t) == 2?1:-1];
+typedef char int32_size_is_correct [sizeof(int32_t) == 4?1:-1];
+typedef char int64_size_is_correct [sizeof(int64_t) >= 8?1:-1];
+/* intptr_t / uintptr_t correct size check */
+typedef char uintptr_size_is_correct[sizeof(intptr_t) == sizeof(int*)?1:-1];
+typedef char intptr_size_is_correct [sizeof(uintptr_t)== sizeof(int*)?1:-1];
+
+/*===================================================================*/
+/*=========================== util.c ================================*/
+/*===================================================================*/
+FILE *util_fopen(const char *filename, const char *mode);
+
+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 *);
+bool util_strncmpexact (const char *, const char *, size_t);
+char *util_strdup (const char *);
+char *util_strrq (const char *);
+char *util_strrnl (const char *);
+char *util_strsws (const char *);
+char *util_strchp (const char *, const char *);
+void util_debug (const char *, const char *, ...);
+int util_getline (char **, size_t *, FILE *);
+void util_endianswap (void *, int, int);
+
+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);
+uint32_t util_crc32(uint32_t crc, const char *data, size_t len);
+
+#ifdef NOTRACK
+# define mem_a(x) malloc (x)
+# define mem_d(x) free (x)
+# define mem_r(x, n) realloc(x, n)
+#else
+# define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
+# define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
+# define mem_r(x, n) util_memory_r((x), (n), __LINE__, __FILE__)
+#endif
/*
- * This is the smallest lexer I've ever wrote: and I must say, it's quite
- * more nicer than those large bulky complex parsers that most people write
- * which has some sort of a complex state.
- */
-struct lex_file {
- /*
- * This is a simple state for lexing, no need to be complex for qc
- * code. It's trivial stuff.
- */
- FILE *file;
- char peek[5]; /* extend for depthier peeks */
- int last;
- int current;
- int length;
- int size;
- char lastok[8192]; /* No token shall ever be bigger than this! */
+ * TODO: make these safer to use. Currently this only works on
+ * x86 and x86_64, some systems will likely not like this. Such
+ * as BE systems.
+ */
+#define FLT2INT(Y) *((int32_t*)&(Y))
+#define INT2FLT(Y) *((float *)&(Y))
+
+/* New flexible vector implementation from Dale */
+#define _vec_raw(A) (((size_t*)(A)) - 2)
+#define _vec_beg(A) (_vec_raw(A)[0])
+#define _vec_end(A) (_vec_raw(A)[1])
+#define _vec_needsgrow(A,N) ((!(A)) || (_vec_end(A) + (N) >= _vec_beg(A)))
+#define _vec_mightgrow(A,N) (_vec_needsgrow((A), (N)) ? _vec_forcegrow((A),(N)) : 0)
+#define _vec_forcegrow(A,N) _util_vec_grow((void**)&(A), (N), sizeof(*(A)))
+#define _vec_remove(A,S,I,N) (memmove((char*)(A)+(I)*(S),(char*)(A)+((I)+(N))*(S),(S)*(vec_size(A)-(I)-(N))), _vec_end(A)-=(N))
+void _util_vec_grow(void **a, size_t i, size_t s);
+/* exposed interface */
+#define vec_free(A) ((A) ? (mem_d(_vec_raw(A)), (A) = NULL) : 0)
+#define vec_push(A,V) (_vec_mightgrow((A),1), (A)[_vec_end(A)++] = (V))
+#define vec_size(A) ((A) ? _vec_end(A) : 0)
+#define vec_add(A,N) (_vec_mightgrow((A),(N)), _vec_end(A)+=(N), &(A)[_vec_end(A)-(N)])
+#define vec_last(A) ((A)[_vec_end(A)-1])
+#define vec_append(A,N,S) memcpy(vec_add((A), (N)), (S), N * sizeof(*(S)))
+#define vec_remove(A,I,N) _vec_remove((A), sizeof(*(A)), (I), (N))
+#define vec_pop(A) vec_remove((A), _vec_end(A)-1, 1)
+/* these are supposed to NOT reallocate */
+#define vec_shrinkto(A,N) (_vec_end(A) = (N))
+#define vec_shrinkby(A,N) (_vec_end(A) -= (N))
+
+/*===================================================================*/
+/*=========================== code.c ================================*/
+/*===================================================================*/
+
+/* Note: if you change the order, fix type_sizeof in ir.c */
+enum {
+ TYPE_VOID ,
+ TYPE_STRING ,
+ TYPE_FLOAT ,
+ TYPE_VECTOR ,
+ TYPE_ENTITY ,
+ TYPE_FIELD ,
+ TYPE_FUNCTION ,
+ TYPE_POINTER ,
+ TYPE_INTEGER ,
+ TYPE_VARIANT ,
+ TYPE_STRUCT ,
+ TYPE_UNION ,
+ TYPE_ARRAY ,
+
+ TYPE_COUNT
};
+extern const char *type_name[TYPE_COUNT];
+
+extern size_t type_sizeof[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];
+/* 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;
+
/*
- * It's important that this table never exceed 32 keywords, the ascii
- * table starts at 33 (which we need)
- */
-#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_INT 9 // extension
-#define TOKEN_VOID 10
-#define TOKEN_STRING 11
-#define TOKEN_FLOAT 12
-#define TOKEN_VECTOR 13
-#define TOKEN_ENTITY 14
+ * 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 */
+ uint32_t nargs; /* number of arguments */
+ uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
+} prog_section_function;
/*
- * 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.
- */
-#define LEX_COMMENT 128 /* higher than ascii */
-#define LEX_CHRLIT 129
-#define LEX_STRLIT 130
-#define LEX_IDENT 131
-
-int lex_token(struct lex_file *);
-void lex_reset(struct lex_file *);
-int lex_debug(struct lex_file *);
-int lex_close(struct lex_file *);
-struct lex_file *lex_open (FILE *);
-
-/* errors */
-#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(int, const char *, ...);
-
-/* parse.c */
-int parse(struct lex_file *);
-struct parsenode {
- struct parsenode *next;
- int type; /* some token */
+ * 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
+};
+
+extern prog_section_statement *code_statements;
+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;
+
+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);
+void code_init ();
+uint32_t code_genstring (const char *string);
+uint32_t code_cachedstring(const char *string);
+qcint code_alloc_field (size_t qcsize);
+
+/*===================================================================*/
+/*============================ 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
+};
+
+
+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_color(int state);
+void con_init ();
+void con_reset();
+int con_change(const char *out, const char *err);
+int con_verr (const char *fmt, va_list va);
+int con_vout (const char *fmt, va_list va);
+int con_err (const char *fmt, ...);
+int con_out (const char *fmt, ...);
+
+/*===================================================================*/
+/*========================= assembler.c =============================*/
+/*===================================================================*/
+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);
+
+/*
+ * 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;
+
+/*===================================================================*/
+/*============================= 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;
+
+ 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 *filename);
+bool parser_compile_string(const char *name, const char *str);
+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_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) }
+};
+
+/* 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;
+extern bool opts_pp_only;
+extern size_t opts_max_array_size;
-/* cpp.c */
-int cpp (struct lex_file *);
+/*===================================================================*/
+#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