#include <stdio.h>
#include <ctype.h>
-
#define GMQCC_VERSION_MAJOR 0
#define GMQCC_VERSION_MINOR 1
#define GMQCC_VERSION_PATCH 0
# 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.
*/
-#if __STDC_VERSION__ < 199901L
-# if defined(__GNUC__) || defined (__CLANG__)
-# if __GNUC__ < 2
-# define GMQCC_INLINE
+#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 __attribute__ ((always_inline))
+# define GMQCC_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_INLINE inline
+# define GMQCC_NORETURN
#endif
/*
* fail. There is no valid way to get a 64bit type at this point
* without making assumptions of too many things.
*/
- typedef char int64_t;
- typedef char uint64_t;
+ typedef struct { char _fail : 0; } int64_t;
+ typedef struct { char _fail : 0; } uint64_t;
# endif
#endif
#ifdef _LP64 /* long pointer == 64 */
#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 uintptr_size_is_correct[sizeof(intptr_t) == sizeof(int*)?1:-1];
typedef char intptr_size_is_correct [sizeof(uintptr_t)== sizeof(int*)?1:-1];
-/*===================================================================*/
-/*============================ lex.c ================================*/
-/*===================================================================*/
-typedef struct lex_file_t {
- FILE *file; /* file handler */
- char *name; /* name of file */
- char peek [5];
- char lastok[8192];
-
- int last; /* last token */
- int current; /* current token */
- int length; /* bytes left to parse */
- int size; /* never changes (size of file) */
- int line; /* what line are we on? */
-} lex_file;
-
-/*
- * It's important that this table never exceed 32 keywords, the ascii
- * table starts at 33 (and we don't want conflicts)
- */
-enum {
- TOKEN_DO ,
- TOKEN_ELSE ,
- TOKEN_IF ,
- TOKEN_WHILE ,
- TOKEN_BREAK ,
- TOKEN_CONTINUE ,
- TOKEN_RETURN ,
- TOKEN_GOTO ,
- TOKEN_FOR , /* extension */
- TOKEN_TYPEDEF , /* extension */
-
- /* ensure the token types are out of the */
- /* bounds of anyothers that may conflict. */
- TOKEN_FLOAT = 110,
- TOKEN_VECTOR ,
- TOKEN_STRING ,
- TOKEN_ENTITY ,
- TOKEN_VOID
-};
-
-/*
- * Lexer state constants, these are numbers for where exactly in
- * the lexing the lexer is at. Or where it decided to stop if a lexer
- * error occurs. These numbers must be > where the ascii-table ends
- * and > the last type token which is TOKEN_VOID
- */
-enum {
- LEX_COMMENT = 1128,
- LEX_CHRLIT ,
- LEX_STRLIT ,
- LEX_IDENT
-};
-
-int lex_token (lex_file *);
-void lex_reset (lex_file *);
-void lex_close (lex_file *);
-void lex_parse (lex_file *);
-lex_file *lex_include(lex_file *, const char *);
-void lex_init (const char *, lex_file **);
-
-/*===================================================================*/
-/*========================== error.c ================================*/
-/*===================================================================*/
-#define ERROR_LEX (SHRT_MAX+0)
-#define ERROR_PARSE (SHRT_MAX+1)
-#define ERROR_INTERNAL (SHRT_MAX+2)
-#define ERROR_COMPILER (SHRT_MAX+3)
-#define ERROR_PREPRO (SHRT_MAX+4)
-int error(lex_file *, int, const char *, ...);
-
-/*===================================================================*/
-/*========================== parse.c ================================*/
-/*===================================================================*/
-int parse_gen(lex_file *);
-
-/*===================================================================*/
-/*========================== typedef.c ==============================*/
-/*===================================================================*/
-typedef struct typedef_node_t {
- char *name;
-} typedef_node;
-
-void typedef_init();
-void typedef_clear();
-typedef_node *typedef_find(const char *);
-int typedef_add (lex_file *file, const char *, const char *);
-
-
/*===================================================================*/
/*=========================== util.c ================================*/
/*===================================================================*/
/*===================================================================*/
/*=========================== 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_VARIANT
+ TYPE_INTEGER ,
+ TYPE_QUATERNION ,
+ TYPE_MATRIX ,
+ TYPE_VARIANT ,
+
+ TYPE_COUNT
};
+extern const char *type_name[TYPE_COUNT];
+
+extern size_t type_sizeof[TYPE_COUNT];
+extern uint16_t type_store_instr[TYPE_COUNT];
+/* could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
+ * 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];
+
/*
* Each paramater incerements by 3 since vector types hold
* 3 components (x,y,z).
INSTR_DONE,
INSTR_MUL_F,
INSTR_MUL_V,
- INSTR_MUL_FV,
INSTR_MUL_VF,
+ INSTR_MUL_FV,
INSTR_DIV_F,
INSTR_ADD_F,
INSTR_ADD_V,
INSTR_BITAND,
INSTR_BITOR,
+/* warning: will be reordered */
+ INSTR_MUL_Q,
+ INSTR_MUL_QF,
+ INSTR_MUL_M,
+ INSTR_MUL_MF,
+ INSTR_EQ_Q,
+ INSTR_EQ_M,
+ INSTR_NE_Q,
+ INSTR_NE_M,
+ INSTR_LOAD_Q,
+ INSTR_LOAD_M,
+ INSTR_STORE_Q,
+ INSTR_STORE_M,
+ INSTR_STOREP_Q,
+ INSTR_STOREP_M,
+ INSTR_INV_Q,
+ INSTR_INV_M,
/*
* Virtual instructions used by the assembler
* keep at the end but before virtual instructions
{ "DONE" , 1, 4 },
{ "MUL_F" , 3, 5 },
{ "MUL_V" , 3, 5 },
- { "MUL_FV" , 3, 6 },
{ "MUL_VF" , 3, 6 },
+ { "MUL_FV" , 3, 6 },
{ "DIV" , 0, 3 },
{ "ADD_F" , 3, 5 },
{ "ADD_V" , 3, 5 },
{ "EQ_V" , 0, 4 },
{ "EQ_S" , 0, 4 },
{ "EQ_E" , 0, 4 },
- { "ES_FNC" , 0, 6 },
+ { "EQ_FNC" , 0, 6 },
{ "NE_F" , 0, 4 },
{ "NE_V" , 0, 4 },
{ "NE_S" , 0, 4 },
{ "OR" , 0, 2 },
{ "BITAND" , 0, 6 },
{ "BITOR" , 0, 5 },
+
+ { "MUL_Q" , 3, 5 },
+ { "MUL_QF" , 3, 6 },
+ { "MUL_M" , 3, 5 },
+ { "MUL_MF" , 3, 6 },
+ { "EQ_Q" , 0, 4 },
+ { "EQ_M" , 0, 4 },
+ { "NE_Q" , 0, 4 },
+ { "NE_M" , 0, 4 },
+ { "FIELD_Q" , 0, 7 },
+ { "FIELD_M" , 0, 7 },
+ { "STORE_Q" , 0, 7 },
+ { "STORE_M" , 0, 7 },
+ { "STOREP_Q" , 0, 8 },
+ { "STOREP_M" , 0, 8 },
+ { "INV_Q" , 0, 5 },
+ { "INV_M" , 0, 5 },
+
{ "END" , 0, 3 } /* virtual assembler instruction */
};
(owner)->mem##_alloc = 0; \
}
+#define MEM_VECTOR_MOVE(from, mem, to, tm) \
+{ \
+ (to)->tm = (from)->mem; \
+ (to)->tm##_count = (from)->mem##_count; \
+ (to)->tm##_alloc = (from)->mem##_alloc; \
+ (from)->mem = NULL; \
+ (from)->mem##_count = 0; \
+ (from)->mem##_alloc = 0; \
+}
+
#define MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \
_MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
_MEM_VEC_FUN_ADD(Tself, Twhat, mem)
enum store_types {
store_global,
store_local, /* local, assignable for now, should get promoted later */
- store_value /* unassignable */
+ 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;
+typedef float matrix[4][4]; /* OpenGL layout */
+typedef float quaternion[4]; /* order: x, y, z, w */
+#define MATRIX(axis, elem) ((4*(axis)) + (elem))
+#define QUAT_X 0
+#define QUAT_Y 1
+#define QUAT_Z 2
+#define QUAT_W 3
+
/*
* A shallow copy of a lex_file to remember where which ast node
* came from.
projects / xonotic / gmqcc.git / blobdiff