/*
- * Copyright (C) 2012
+ * Copyright (C) 2012
* Dale Weiler, Wolfgang Bumiller
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
# 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
#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
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;
+ typedef long int64_t;
+ typedef unsigned long uint64_t;
#elif LONG_MAX == 0x7FFFFFFF
typedef long int32_t;
typedef unsigned long uint32_t;
+
+ /*
+ * 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
#endif
#ifdef _LP64 /* long pointer == 64 */
typedef unsigned long uintptr_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 ================================
-//===================================================================
+/*===================================================================*/
+/*============================ lex.c ================================*/
+/*===================================================================*/
typedef struct lex_file_t {
FILE *file; /* file handler */
char *name; /* name of file */
- char peek [5];
+ char peek [5];
char lastok[8192];
-
+
int last; /* last token */
int current; /* current token */
int length; /* bytes left to parse */
TOKEN_CONTINUE ,
TOKEN_RETURN ,
TOKEN_GOTO ,
- TOKEN_FOR , // extension
- TOKEN_TYPEDEF , // extension
+ TOKEN_FOR , /* extension */
+ TOKEN_TYPEDEF , /* extension */
- // ensure the token types are out of the
- // bounds of anyothers that may conflict.
+ /* ensure the token types are out of the */
+ /* bounds of anyothers that may conflict. */
TOKEN_FLOAT = 110,
TOKEN_VECTOR ,
TOKEN_STRING ,
* and > the last type token which is TOKEN_VOID
*/
enum {
- LEX_COMMENT = 1128,
+ LEX_COMMENT = 1128,
LEX_CHRLIT ,
LEX_STRLIT ,
LEX_IDENT
int lex_token (lex_file *);
void lex_reset (lex_file *);
void lex_close (lex_file *);
-lex_file *lex_include(lex_file *, char *);
-lex_file *lex_open (FILE *);
+void lex_parse (lex_file *);
+lex_file *lex_include(lex_file *, const char *);
+void lex_init (const char *, lex_file **);
-//===================================================================
-//========================== error.c ================================
-//===================================================================
+/*===================================================================*/
+/*========================== error.c ================================*/
+/*===================================================================*/
#define ERROR_LEX (SHRT_MAX+0)
#define ERROR_PARSE (SHRT_MAX+1)
#define ERROR_INTERNAL (SHRT_MAX+2)
#define ERROR_PREPRO (SHRT_MAX+4)
int error(lex_file *, int, const char *, ...);
-//===================================================================
-//========================== parse.c ================================
-//===================================================================
+/*===================================================================*/
+/*========================== parse.c ================================*/
+/*===================================================================*/
int parse_gen(lex_file *);
-//===================================================================
-//========================== typedef.c ==============================
-//===================================================================
+/*===================================================================*/
+/*========================== typedef.c ==============================*/
+/*===================================================================*/
typedef struct typedef_node_t {
char *name;
} typedef_node;
int typedef_add (lex_file *file, const char *, const char *);
-//===================================================================
-//=========================== util.c ================================
-//===================================================================
+/*===================================================================*/
+/*=========================== util.c ================================*/
+/*===================================================================*/
void *util_memory_a (unsigned int, unsigned int, const char *);
void util_memory_d (void *, unsigned int, const char *);
void util_meminfo ();
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 (char *);
-char *util_strrnl (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);
-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);
+
+uint32_t util_crc32(const char *, int, register const short);
#ifdef NOTRACK
# define mem_a(x) malloc(x)
# define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
#endif
+/*
+ * 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))
+
/* 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; \
/* Builds vector add */
#define VECTOR_CORE(T,N) \
int N##_add(T element) { \
+ void *temp = NULL; \
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) { \
+ if (!(temp = mem_a(N##_allocated * sizeof(T)))) { \
mem_d(temp); \
return -1; \
} \
elements--; \
while (N##_add(*++elements) != -1 && len--); \
return N##_elements; \
- }
-/* Builds a full vector inspot */
+ } \
+ typedef char VECTOR_FILL(extra_semicolon_##N,__COUNTER__)
+#define VECTOR_PROT(T,N) \
+ extern T* N##_data ; \
+ extern long N##_elements ; \
+ extern long N##_allocated; \
+ int N##_add(T); \
+ int N##_put(T *, size_t)
#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 ================================
-//===================================================================
+/*===================================================================*/
+/*=========================== code.c ================================*/
+/*===================================================================*/
+
+/* Note: if you change the order, fix type_sizeof in ir.c */
enum {
TYPE_VOID ,
TYPE_STRING ,
TYPE_POINTER ,
/* TYPE_INTEGER , */
TYPE_VARIANT ,
+
+ 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
+ * 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];
+
+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
* 3 components (x,y,z).
typedef struct {
uint16_t opcode;
-
+
/* operand 1 */
union {
int16_t s1; /* signed */
uint16_t u1; /* unsigned */
- };
+ } 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
* {
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_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(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;
+VECTOR_PROT(prog_section_statement, code_statements);
+VECTOR_PROT(prog_section_statement, code_statements);
+VECTOR_PROT(prog_section_def, code_defs );
+VECTOR_PROT(prog_section_field, code_fields );
+VECTOR_PROT(prog_section_function, code_functions );
+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_write ();
-void code_init ();
+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);
-//===================================================================
-//========================= assembler.c =============================
-//===================================================================
+/*===================================================================*/
+/*========================= assembler.c =============================*/
+/*===================================================================*/
static const struct {
const char *m; /* menomic */
- const size_t o; /* operands */
+ 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 }
+} 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 },
+ { "DUB_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 */
};
void asm_init (const char *, FILE **);
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 ==================================
-//======================================================================
+/*===================================================================*/
+/*============================= 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);
+ bool GMQCC_WARN Towner##_##mem##_remove(Towner*, size_t)
#define MEM_VECTOR_PROTO_ALL(Towner, Tmem, mem) \
- MEM_VECTOR_PROTO(Towner, Tmem, mem) \
+ MEM_VECTOR_PROTO(Towner, Tmem, mem); \
bool GMQCC_WARN Towner##_##mem##_find(Towner*, Tmem, size_t*); \
- void Towner##_##mem##_clear(Towner*);
+ 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) \
+#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; \
+ } 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; \
+ 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) \
return; \
- free((void*) self->mem); \
+ 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) \
- free((void*)((owner)->mem)); \
- (owner)->mem = NULL; \
- (owner)->mem##_count = 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) \
}
#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,
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;
-} vector_t;
+} vector;
/*
* A shallow copy of a lex_file to remember where which ast node
* came from.
*/
-typedef struct lex_ctx {
+typedef struct {
const char *file;
- size_t line;
-} lex_ctx_t;
+ 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);
+
+ 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;
+
+ 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);
+
+/*===================================================================*/
+/*======================= 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;
+
+/*===================================================================*/
+#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