/*
- * Copyright (C) 2012
- * Dale Weiler, Wolfgang Bumiller
+ * 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
#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_MINOR 2
#define GMQCC_VERSION_PATCH 0
#define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
#define GMQCC_VERSION \
# endif /* !true */
# define false (0)
# define true (1)
-# define bool _Bool
-# if __STDC_VERSION__ < 199901L && __GNUC__ < 3
- typedef int _Bool
-# endif
-# endif /* !__cplusplus */
+# 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
* This is a hack to silent clang regarding empty
* body if statements.
*/
-#define GMQCC_SUPRESS_EMPTY_BODY do { } while (0)
+#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
+ */
+#elseif 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
/*
* stdint.h and inttypes.h -less subset
typedef int int16_t;
typedef unsigned int uint16_t;
#endif
-#if INT_MAX == 0x7FFFFFFF
+#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
+ /*
+ * Incorrectly 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
+#endif
/* Ensure type sizes are correct: */
typedef char uint8_size_is_correct [sizeof(uint8_t) == 1?1:-1];
-typedef char uint16_size_if_correct [sizeof(uint16_t) == 2?1:-1];
+typedef char 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];
-//===================================================================
-//============================ 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;
+/*===================================================================*/
+/*=========================== util.c ================================*/
+/*===================================================================*/
+FILE *util_fopen(const char *filename, const char *mode);
-/*
- * 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 ================================
-//===================================================================
-void *util_memory_a (unsigned int, unsigned int, const char *);
+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 *);
int util_getline (char **, size_t *, FILE *);
void util_endianswap (void *, int, int);
-uint32_t util_crc32(const char *, int, register const short);
+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_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_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
-/* Builds vector type (usefull for inside structures) */
-#define VECTOR_SNAP(X,Y) X ## Y
-#define VECTOR_FILL(X,Y) VECTOR_SNAP(X,Y)
-#define VECTOR_TYPE(T,N) \
- T* N##_data = NULL; \
- long N##_elements = 0; \
- long N##_allocated = 0
-/* Builds vector add */
-#define VECTOR_CORE(T,N) \
- int N##_add(T element) { \
- if (N##_elements == N##_allocated) { \
- if (N##_allocated == 0) { \
- N##_allocated = 12; \
- } else { \
- N##_allocated *= 2; \
- } \
- void *temp = mem_a(N##_allocated * sizeof(T)); \
- if (!temp) { \
- mem_d(temp); \
- return -1; \
- } \
- memcpy(temp, N##_data, (N##_elements * sizeof(T))); \
- mem_d(N##_data); \
- N##_data = (T*)temp; \
- } \
- N##_data[N##_elements] = element; \
- return N##_elements++; \
- } \
- int N##_put(T* elements, size_t len) { \
- len --; \
- elements--; \
- while (N##_add(*++elements) != -1 && len--); \
- return N##_elements; \
- } \
- typedef char VECTOR_FILL(extra_semicolon_,__COUNTER__)
-/* Builds a full vector inspot */
-#define VECTOR_MAKE(T,N) \
- VECTOR_TYPE(T,N); \
- VECTOR_CORE(T,N)
-/* Builds a vector add function pointer for inside structures */
-#define VECTOR_IMPL(T,N) int (*N##_add)(T)
-
-//===================================================================
-//=========================== code.c ================================
-//===================================================================
+/*
+ * 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*)(void*)(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)) ? (void)_vec_forcegrow((A),(N)) : (void)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_end(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((void*)_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_end(A)-=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))
+
+#define vec_upload(X,Y,S) \
+ do { \
+ size_t E = 0; \
+ while (E < S) { \
+ vec_push(X, Y[E]); \
+ E ++; \
+ } \
+ } while(0)
+
+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_htget (hash_table_t *ht, const char *key);
+void util_htdel (hash_table_t *ht);
+size_t util_hthash(hash_table_t *ht, const char *key);
+void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
+void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
+/*===================================================================*/
+/*=========================== code.c ================================*/
+/*===================================================================*/
+
+/* Note: if you change the order, fix type_sizeof in ir.c */
enum {
TYPE_VOID ,
TYPE_STRING ,
TYPE_FIELD ,
TYPE_FUNCTION ,
TYPE_POINTER ,
- /* TYPE_INTEGER , */
+ 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
+/* magic number to help parsing */
+#define CV_WRONG 0x8000
+
+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];
+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).
typedef struct {
uint16_t opcode;
-
+
/* operand 1 */
union {
int16_t s1; /* signed */
} o1;
/* operand 2 */
union {
- int16_t s2; /* signed */
- uint16_t u2; /* unsigned */
+ int16_t s1; /* signed */
+ uint16_t u1; /* unsigned */
} o2;
/* operand 3 */
union {
- int16_t s3; /* signed */
- uint16_t u3; /* unsigned */
+ int16_t s1; /* signed */
+ uint16_t u1; /* unsigned */
} o3;
-
+
/*
* This is the same as the structure in darkplaces
* {
} prog_section_statement;
typedef struct {
- /* The types:
+ /*
+ * The types:
* 0 = ev_void
* 1 = ev_string
* 2 = ev_float
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 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 */
+ int32_t nargs; /* number of arguments */
uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
} prog_section_function;
-/*
- * Instructions
+/*
+ * Instructions
* These are the external instructions supported by the interperter
* this is what things compile to (from the C code).
*/
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,
INSTR_BITAND,
INSTR_BITOR,
- /* Virtual instructions used by the IR
+ /*
+ * 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,
+ VINSTR_COND
};
-/*
- * The symbols below are created by the following
- * expanded macros:
- *
- * VECTOR_MAKE(prog_section_statement, code_statements);
- * VECTOR_MAKE(prog_section_def, code_defs );
- * VECTOR_MAKE(prog_section_field, code_fields );
- * VECTOR_MAKE(prog_section_function, code_functions );
- * VECTOR_MAKE(int, code_globals );
- * VECTOR_MAKE(char, code_chars );
- */
-int code_statements_add(prog_section_statement);
-int code_defs_add (prog_section_def);
-int code_fields_add (prog_section_field);
-int code_functions_add (prog_section_function);
-int code_globals_add (int);
-int code_chars_add (char);
-int code_statements_put(prog_section_statement*, size_t);
-int code_defs_put (prog_section_def*, size_t);
-int code_fields_put (prog_section_field*, size_t);
-int code_functions_put (prog_section_function*, size_t);
-int code_globals_put (int*, size_t);
-int code_chars_put (char*, size_t);
-extern long code_statements_elements;
-extern long code_chars_elements;
-extern long code_globals_elements;
-extern long code_functions_elements;
-extern long code_fields_elements;
-extern long code_defs_elements;
+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;
+
+typedef float qcfloat;
+typedef int32_t qcint;
/*
* code_write -- writes out the compiled file
* code_init -- prepares the code file
*/
-void code_write ();
-void code_init ();
+bool code_write (const char *filename, const char *lno);
+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 =============================
-//===================================================================
-static const struct {
- const char *m; /* menomic */
- const size_t o; /* operands */
- const size_t l; /* menomic len */
-} const asm_instr[] = {
- [INSTR_DONE] = { "DONE" , 1, 4 },
- [INSTR_MUL_F] = { "MUL_F" , 3, 5 },
- [INSTR_MUL_V] = { "MUL_V" , 3, 5 },
- [INSTR_MUL_FV] = { "MUL_FV" , 3, 6 },
- [INSTR_MUL_VF] = { "MUL_VF" , 3, 6 },
- [INSTR_DIV_F] = { "DIV" , 0, 3 },
- [INSTR_ADD_F] = { "ADD_F" , 3, 5 },
- [INSTR_ADD_V] = { "ADD_V" , 3, 5 },
- [INSTR_SUB_F] = { "SUB_F" , 3, 5 },
- [INSTR_SUB_V] = { "DUB_V" , 3, 5 },
- [INSTR_EQ_F] = { "EQ_F" , 0, 4 },
- [INSTR_EQ_V] = { "EQ_V" , 0, 4 },
- [INSTR_EQ_S] = { "EQ_S" , 0, 4 },
- [INSTR_EQ_E] = { "EQ_E" , 0, 4 },
- [INSTR_EQ_FNC] = { "ES_FNC" , 0, 6 },
- [INSTR_NE_F] = { "NE_F" , 0, 4 },
- [INSTR_NE_V] = { "NE_V" , 0, 4 },
- [INSTR_NE_S] = { "NE_S" , 0, 4 },
- [INSTR_NE_E] = { "NE_E" , 0, 4 },
- [INSTR_NE_FNC] = { "NE_FNC" , 0, 6 },
- [INSTR_LE] = { "LE" , 0, 2 },
- [INSTR_GE] = { "GE" , 0, 2 },
- [INSTR_LT] = { "LT" , 0, 2 },
- [INSTR_GT] = { "GT" , 0, 2 },
- [INSTR_LOAD_F] = { "FIELD_F" , 0, 7 },
- [INSTR_LOAD_V] = { "FIELD_V" , 0, 7 },
- [INSTR_LOAD_S] = { "FIELD_S" , 0, 7 },
- [INSTR_LOAD_ENT] = { "FIELD_ENT" , 0, 9 },
- [INSTR_LOAD_FLD] = { "FIELD_FLD" , 0, 9 },
- [INSTR_LOAD_FNC] = { "FIELD_FNC" , 0, 9 },
- [INSTR_ADDRESS] = { "ADDRESS" , 0, 7 },
- [INSTR_STORE_F] = { "STORE_F" , 0, 7 },
- [INSTR_STORE_V] = { "STORE_V" , 0, 7 },
- [INSTR_STORE_S] = { "STORE_S" , 0, 7 },
- [INSTR_STORE_ENT] = { "STORE_ENT" , 0, 9 },
- [INSTR_STORE_FLD] = { "STORE_FLD" , 0, 9 },
- [INSTR_STORE_FNC] = { "STORE_FNC" , 0, 9 },
- [INSTR_STOREP_F] = { "STOREP_F" , 0, 8 },
- [INSTR_STOREP_V] = { "STOREP_V" , 0, 8 },
- [INSTR_STOREP_S] = { "STOREP_S" , 0, 8 },
- [INSTR_STOREP_ENT] = { "STOREP_ENT", 0, 10},
- [INSTR_STOREP_FLD] = { "STOREP_FLD", 0, 10},
- [INSTR_STOREP_FNC] = { "STOREP_FNC", 0, 10},
- [INSTR_RETURN] = { "RETURN" , 0, 6 },
- [INSTR_NOT_F] = { "NOT_F" , 0, 5 },
- [INSTR_NOT_V] = { "NOT_V" , 0, 5 },
- [INSTR_NOT_S] = { "NOT_S" , 0, 5 },
- [INSTR_NOT_ENT] = { "NOT_ENT" , 0, 7 },
- [INSTR_NOT_FNC] = { "NOT_FNC" , 0, 7 },
- [INSTR_IF] = { "IF" , 0, 2 },
- [INSTR_IFNOT] = { "IFNOT" , 0, 5 },
- [INSTR_CALL0] = { "CALL0" , 0, 5 },
- [INSTR_CALL1] = { "CALL1" , 0, 5 },
- [INSTR_CALL2] = { "CALL2" , 0, 5 },
- [INSTR_CALL3] = { "CALL3" , 0, 5 },
- [INSTR_CALL4] = { "CALL4" , 0, 5 },
- [INSTR_CALL5] = { "CALL5" , 0, 5 },
- [INSTR_CALL6] = { "CALL6" , 0, 5 },
- [INSTR_CALL7] = { "CALL7" , 0, 5 },
- [INSTR_CALL8] = { "CALL8" , 0, 5 },
- [INSTR_STATE] = { "STATE" , 0, 5 },
- [INSTR_GOTO] = { "GOTO" , 0, 4 },
- [INSTR_AND] = { "AND" , 0, 3 },
- [INSTR_OR] = { "OR" , 0, 2 },
- [INSTR_BITAND] = { "BITAND" , 0, 6 },
- [INSTR_BITOR] = { "BITOR" , 0, 5 }
+/* 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
};
-void asm_init (const char *, FILE **);
-void asm_close(FILE *);
-void asm_parse(FILE *);
-//======================================================================
-//============================= main.c =================================
-//======================================================================
+/* message level */
enum {
- COMPILER_QCC, /* circa QuakeC */
- COMPILER_FTEQCC, /* fteqcc QuakeC */
- COMPILER_QCCX, /* qccx QuakeC */
- COMPILER_GMQCC /* this QuakeC */
+ LVL_MSG,
+ LVL_WARNING,
+ LVL_ERROR
};
-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) \
- bool GMQCC_WARN Towner##_##mem##_add(Towner*, Tmem); \
- bool GMQCC_WARN Towner##_##mem##_remove(Towner*, size_t)
-
-#define MEM_VECTOR_PROTO_ALL(Towner, Tmem, mem) \
- MEM_VECTOR_PROTO(Towner, Tmem, mem); \
- bool GMQCC_WARN Towner##_##mem##_find(Towner*, Tmem, size_t*); \
- void Towner##_##mem##_clear(Towner*)
-
-#define MEM_VECTOR_MAKE(Twhat, name) \
- Twhat *name; \
- size_t name##_count; \
- size_t name##_alloc
-
-#define _MEM_VEC_FUN_ADD(Tself, Twhat, mem) \
-bool GMQCC_WARN Tself##_##mem##_add(Tself *self, Twhat f) \
-{ \
- Twhat *reall; \
- if (self->mem##_count == self->mem##_alloc) { \
- if (!self->mem##_alloc) { \
- self->mem##_alloc = 16; \
- } else { \
- self->mem##_alloc *= 2; \
- } \
- reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_alloc); \
- if (!reall) { \
- return false; \
- } \
- memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
- mem_d(self->mem); \
- self->mem = reall; \
- } \
- self->mem[self->mem##_count++] = f; \
- return true; \
-}
-
-#define _MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
-bool GMQCC_WARN Tself##_##mem##_remove(Tself *self, size_t idx) \
-{ \
- size_t i; \
- Twhat *reall; \
- if (idx >= self->mem##_count) { \
- return true; /* huh... */ \
- } \
- for (i = idx; i < self->mem##_count-1; ++i) { \
- self->mem[i] = self->mem[i+1]; \
- } \
- self->mem##_count--; \
- if (self->mem##_count < self->mem##_count/2) { \
- self->mem##_alloc /= 2; \
- reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_count); \
- if (!reall) { \
- return false; \
- } \
- memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
- mem_d(self->mem); \
- self->mem = reall; \
- } \
- return true; \
-}
-
-#define _MEM_VEC_FUN_FIND(Tself, Twhat, mem) \
-bool GMQCC_WARN Tself##_##mem##_find(Tself *self, Twhat obj, size_t *idx) \
-{ \
- size_t i; \
- for (i = 0; i < self->mem##_count; ++i) { \
- if (self->mem[i] == obj) { \
- if (idx) { \
- *idx = i; \
- } \
- return true; \
- } \
- } \
- return false; \
-}
-
-#define _MEM_VEC_FUN_CLEAR(Tself, mem) \
-void Tself##_##mem##_clear(Tself *self) \
-{ \
- if (!self->mem) \
- return; \
- mem_d((void*) self->mem); \
- self->mem = NULL; \
- self->mem##_count = 0; \
- self->mem##_alloc = 0; \
-}
-
-#define MEM_VECTOR_CLEAR(owner, mem) \
- if ((owner)->mem) \
- mem_d((void*)((owner)->mem)); \
- (owner)->mem = NULL; \
- (owner)->mem##_count = 0; \
- (owner)->mem##_alloc = 0
-
-#define MEM_VECTOR_INIT(owner, mem) \
-{ \
- (owner)->mem = NULL; \
- (owner)->mem##_count = 0; \
- (owner)->mem##_alloc = 0; \
-}
-
-#define MEM_VEC_FUNCTIONS(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)
+
+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 =============================*/
+/*===================================================================*/
+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 {
- 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);
+
+/*===================================================================*/
+/*============================= exec.c ==============================*/
+/*===================================================================*/
+
/*
- * A shallow copy of a lex_file to remember where which ast node
- * came from.
+ * 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 {
- const char *file;
- size_t line;
-} lex_ctx;
+ 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 ();
+/* There's really no need to strlen() preprocessed files */
+bool parser_compile_string_len(const char *name, const char *str, size_t len);
+
+/*===================================================================*/
+/*====================== 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 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
+
+/*===================================================================*/
+/*============================= 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_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;
+
+typedef struct {
+ uint32_t O; /* -Ox */
+ const char *output; /* -o file */
+ bool g; /* -g */
+ opts_std_t standard; /* -std= */
+ bool debug; /* -debug */
+ bool memchk; /* -memchk */
+ bool dumpfin; /* -dumpfin */
+ bool dump; /* -dump */
+ bool werror; /* -Werror */
+ 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 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_OPTIMIZATION(i) (!! (opts.optimization[(i)/32] & (1<< ((i)%32))))
+
#endif