/*
- * 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
#include <string.h>
#include <stdio.h>
#include <ctype.h>
+
+#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)
+
+/*
+ * 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
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 int8_size_is_correct [sizeof(int8_t) == 1?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 ================================
-//===================================================================
-struct lex_file {
- 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? */
-};
-
-/*
- * 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
-};
+/*===================================================================*/
+/*=========================== util.c ================================*/
+/*===================================================================*/
+void *util_memory_a (unsigned int, unsigned int, const char *);
+void util_memory_d (void *, unsigned int, const char *);
+void util_meminfo ();
-/*
- * 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
-};
+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);
-int lex_token (struct lex_file *);
-void lex_reset (struct lex_file *);
-void lex_close (struct lex_file *);
-struct lex_file *lex_include(struct lex_file *, char *);
-struct lex_file *lex_open (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(struct lex_file *, int, const char *, ...);
-
-//===================================================================
-//========================== parse.c ================================
-//===================================================================
-int parse_gen(struct 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 (struct lex_file *file, const char *, const char *);
-
-
-//===================================================================
-//=========================== util.c ================================
-//===================================================================
-void *util_memory_a (unsigned int, unsigned int, const char *);
-void util_memory_d (void *, unsigned int, const char *);
-void util_meminfo ();
-
-char *util_strdup (const char *);
-char *util_strrq (char *);
-char *util_strrnl (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);
+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
-#define VECTOR_MAKE(T,N) \
- T* N##_data = NULL; \
- long N##_elements = 0; \
- long N##_allocated = 0; \
- 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++; \
- }
-
-//===================================================================
-//=========================== 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))
+
+/* 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) { \
+ void *temp = NULL; \
+ if (N##_elements == N##_allocated) { \
+ if (N##_allocated == 0) { \
+ N##_allocated = 12; \
+ } else { \
+ N##_allocated *= 2; \
+ } \
+ if (!(temp = mem_a(N##_allocated * sizeof(T)))) { \
+ 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__)
+#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)
+
+/*===================================================================*/
+/*=========================== code.c ================================*/
+/*===================================================================*/
+
+/* Note: if you change the order, fix type_sizeof in ir.c */
enum {
TYPE_VOID ,
TYPE_STRING ,
TYPE_ENTITY ,
TYPE_FIELD ,
TYPE_FUNCTION ,
- TYPE_POINTER
+ TYPE_POINTER ,
+ 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).
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_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_AND,
INSTR_OR,
INSTR_BITAND,
- INSTR_BITOR
+ 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
+ * for the IR below.
+ */
+ AINSTR_END,
+
+ /*
+ * Virtual instructions used by the IR
+ * Keep at the end!
+ */
+ VINSTR_PHI,
+ VINSTR_JUMP,
+ 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_strings_add (const char *); /* function wrapping code_chars_add */
-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 );
/*
* 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);
-//===================================================================
-//========================= 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_VF" , 3, 6 },
+ { "MUL_FV" , 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 },
+
+ { "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 */
};
void asm_init (const char *, FILE **);
void asm_close(FILE *);
void asm_parse(FILE *);
-//======================================================================
-//============================= main.c =================================
-//======================================================================
+/*===================================================================*/
+/*============================= main.c ==============================*/
+/*===================================================================*/
enum {
COMPILER_QCC, /* circa QuakeC */
COMPILER_FTEQCC, /* fteqcc QuakeC */
COMPILER_QCCX, /* qccx QuakeC */
COMPILER_GMQCC /* this QuakeC */
};
-extern int opts_debug;
-extern int opts_memchk;
-extern int opts_darkplaces_stringtablebug;
-extern int opts_omit_nullcode;
+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_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)
+
+#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)
+
+enum store_types {
+ store_global,
+ store_local, /* local, assignable for now, should get promoted later */
+ 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.
+ */
+typedef struct {
+ const char *file;
+ size_t line;
+} lex_ctx;
#endif