/*
* Copyright (C) 2012
- * Dale Weiler
+ * Dale Weiler
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
*/
#ifndef GMQCC_HDR
#define GMQCC_HDR
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
#include <stdio.h>
+#include <ctype.h>
+/*
+ * stdint.h and inttypes.h -less subset
+ * for systems that don't have it, which we must
+ * assume is all systems. (int8_t not required)
+ */
+#if CHAR_MIN == -128
+ typedef unsigned char uint8_t; /* same as below */
+#elif SCHAR_MIN == -128
+ typedef unsigned char uint8_t; /* same as above */
+#endif
+#if SHRT_MAX == 0x7FFF
+ typedef short int16_t;
+ typedef unsigned short uint16_t;
+#elif INT_MAX == 0x7FFF
+ typedef int int16_t;
+ typedef unsigned int uint16_t;
+#endif
+#if INT_MAX == 0x7FFFFFFF
+ typedef int int32_t;
+ typedef unsigned int uint32_t;
+#elif LONG_MAX == 0x7FFFFFFF
+ typedef long int32_t;
+ typedef unsigned long uint32_t;
+#endif
+#ifdef _LP64 /* long pointer == 64 */
+ typedef unsigned long uintptr_t;
+ typedef long intptr_t;
+#else
+ typedef unsigned int uintptr_t;
+ typedef int intptr_t;
+#endif
+/* Ensure type sizes are correct: */
+typedef char uint8_size_is_correct [sizeof(uint8_t) == 1?1:-1];
+typedef char uint16_size_if_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 int16_size_if_correct [sizeof(int16_t) == 2?1:-1];
+typedef char int32_size_is_correct [sizeof(int32_t) == 4?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? */
+ 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? */
};
/*
#define ERROR_INTERNAL (SHRT_MAX+2)
#define ERROR_COMPILER (SHRT_MAX+3)
#define ERROR_PREPRO (SHRT_MAX+4)
-int error(int, const char *, ...);
+int error(struct lex_file *, int, const char *, ...);
//===================================================================
//========================== parse.c ================================
//===================================================================
-int parse_tree(struct lex_file *);
-struct parsenode {
- struct parsenode *next;
- int type; /* some token */
-};
+int parse_gen(struct lex_file *);
//===================================================================
//========================== typedef.c ==============================
//===================================================================
typedef struct typedef_node_t {
- char *name;
+ char *name;
} typedef_node;
void typedef_init();
void typedef_clear();
typedef_node *typedef_find(const char *);
-int typedef_add (const char *, 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 *);
-char *util_strdup (const char *);
+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);
#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)
#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__)
#endif
#define VECTOR_MAKE(T,N) \
} else { \
N##_allocated *= 2; \
} \
- void *temp = realloc(N##_data, (N##_allocated * sizeof(T))); \
+ void *temp = mem_a(N##_allocated * sizeof(T)); \
if (!temp) { \
- free(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; \
* Each paramater incerements by 3 since vector types hold
* 3 components (x,y,z).
*/
-#define OFS_NULL 0
-#define OFS_RETURN 1
-#define OFS_PARM0 (OFS_RETURN+3)
-#define OFS_PARM1 (OFS_PARM0 +3)
-#define OFS_PARM2 (OFS_PARM1 +3)
-#define OFS_PARM3 (OFS_PARM2 +3)
-#define OFS_PARM4 (OFS_PARM3 +3)
+#define OFS_NULL 0
+#define OFS_RETURN 1
+#define OFS_PARM0 (OFS_RETURN+3)
+#define OFS_PARM1 (OFS_PARM0 +3)
+#define OFS_PARM2 (OFS_PARM1 +3)
+#define OFS_PARM3 (OFS_PARM2 +3)
+#define OFS_PARM4 (OFS_PARM3 +3)
#define OFS_PARM5 (OFS_PARM4 +3)
#define OFS_PARM6 (OFS_PARM5 +3)
#define OFS_PARM7 (OFS_PARM6 +3)
+typedef struct {
+ uint16_t opcode;
+
+ /* operand 1 */
+ union {
+ int16_t s1; /* signed */
+ uint16_t u1; /* unsigned */
+ };
+ /* operand 2 */
+ union {
+ int16_t s2; /* signed */
+ uint16_t u2; /* unsigned */
+ };
+ /* operand 3 */
+ union {
+ int16_t s3; /* signed */
+ uint16_t u3; /* unsigned */
+ };
+
+ /*
+ * This is the same as the structure in darkplaces
+ * {
+ * unsigned short op;
+ * short a,b,c;
+ * }
+ * But this one is more sane to work with, and the
+ * type sizes are guranteed.
+ */
+} prog_section_statement;
+
+typedef struct {
+ /* The types:
+ * 0 = ev_void
+ * 1 = ev_string
+ * 2 = ev_float
+ * 3 = ev_vector
+ * 4 = ev_entity
+ * 5 = ev_field
+ * 6 = ev_function
+ * 7 = ev_pointer -- engine only
+ * 8 = ev_bad -- engine only
+ */
+ uint16_t type;
+ uint16_t offset;
+ uint32_t name;
+} prog_section_both;
+typedef prog_section_both prog_section_def;
+typedef prog_section_both prog_section_field;
+
+typedef struct {
+ int32_t entry; /* in statement table for instructions */
+ uint32_t firstlocal; /* First local in local table */
+ uint32_t locals; /* Total ints of params + locals */
+ uint32_t profile; /* Always zero (engine uses this) */
+ uint32_t name; /* name of function in string table */
+ uint32_t file; /* file of the source file */
+ uint32_t nargs; /* number of arguments */
+ uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
+} prog_section_function;
+
/*
* Instructions
* These are the external instructions supported by the interperter
* this is what things compile to (from the C code).
*/
enum {
- INSTR_DONE,
- INSTR_MUL_F,
- INSTR_MUL_V,
- INSTR_MUL_FV,
- INSTR_MUL_VF,
- INSTR_DIV_F,
- INSTR_ADD_F,
- INSTR_ADD_V,
- INSTR_SUB_F,
- INSTR_SUB_V,
-
- INSTR_EQ_F,
- INSTR_EQ_V,
- INSTR_EQ_S,
- INSTR_EQ_E,
- INSTR_EQ_FNC,
-
- INSTR_NE_F,
- INSTR_NE_V,
- INSTR_NE_S,
- INSTR_NE_E,
- INSTR_NE_FNC,
-
- INSTR_LE,
- INSTR_GE,
- INSTR_LT,
- INSTR_GT,
-
- INSTR_LOAD_F,
- INSTR_LOAD_V,
- INSTR_LOAD_S,
- INSTR_LOAD_ENT,
- INSTR_LOAD_FLD,
- INSTR_LOAD_FNC,
-
- INSTR_ADDRESS,
+ INSTR_DONE,
+ INSTR_MUL_F,
+ INSTR_MUL_V,
+ INSTR_MUL_FV,
+ INSTR_MUL_VF,
+ INSTR_DIV_F,
+ INSTR_ADD_F,
+ INSTR_ADD_V,
+ INSTR_SUB_F,
+ INSTR_SUB_V,
+ INSTR_EQ_F,
+ INSTR_EQ_V,
+ INSTR_EQ_S,
+ INSTR_EQ_E,
+ INSTR_EQ_FNC,
+ INSTR_NE_F,
+ INSTR_NE_V,
+ INSTR_NE_S,
+ INSTR_NE_E,
+ INSTR_NE_FNC,
+ INSTR_LE,
+ INSTR_GE,
+ INSTR_LT,
+ INSTR_GT,
+ INSTR_LOAD_F,
+ INSTR_LOAD_V,
+ INSTR_LOAD_S,
+ INSTR_LOAD_ENT,
+ INSTR_LOAD_FLD,
+ INSTR_LOAD_FNC,
+ INSTR_ADDRESS,
+ INSTR_STORE_F,
+ INSTR_STORE_V,
+ INSTR_STORE_S,
+ INSTR_STORE_ENT,
+ INSTR_STORE_FLD,
+ INSTR_STORE_FNC,
+ INSTR_STOREP_F,
+ INSTR_STOREP_V,
+ INSTR_STOREP_S,
+ INSTR_STOREP_ENT,
+ INSTR_STOREP_FLD,
+ INSTR_STOREP_FNC,
+ INSTR_RETURN,
+ INSTR_NOT_F,
+ INSTR_NOT_V,
+ INSTR_NOT_S,
+ INSTR_NOT_ENT,
+ INSTR_NOT_FNC,
+ INSTR_IF,
+ INSTR_IFNOT,
+ INSTR_CALL0,
+ INSTR_CALL1,
+ INSTR_CALL2,
+ INSTR_CALL3,
+ INSTR_CALL4,
+ INSTR_CALL5,
+ INSTR_CALL6,
+ INSTR_CALL7,
+ INSTR_CALL8,
+ INSTR_STATE,
+ INSTR_GOTO,
+ INSTR_AND,
+ INSTR_OR,
+ INSTR_BITAND,
+ INSTR_BITOR
+};
- INSTR_STORE_F,
- INSTR_STORE_V,
- INSTR_STORE_S,
- INSTR_STORE_ENT,
- INSTR_STORE_FLD,
- INSTR_STORE_FNC,
+/*
+ * 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_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;
- INSTR_STOREP_F,
- INSTR_STOREP_V,
- INSTR_STOREP_S,
- INSTR_STOREP_ENT,
- INSTR_STOREP_FLD,
- INSTR_STOREP_FNC,
+/*
+ * code_write -- writes out the compiled file
+ * code_init -- prepares the code file
+ */
+void code_write ();
+void code_init ();
- INSTR_RETURN,
- INSTR_NOT_F,
- INSTR_NOT_V,
- INSTR_NOT_S,
- INSTR_NOT_ENT,
- INSTR_NOT_FNC,
- INSTR_IF,
- INSTR_IFNOT,
- INSTR_CALL0,
- INSTR_CALL1,
- INSTR_CALL2,
- INSTR_CALL3,
- INSTR_CALL4,
- INSTR_CALL5,
- INSTR_CALL6,
- INSTR_CALL7,
- INSTR_CALL8,
- INSTR_STATE,
- INSTR_GOTO,
- INSTR_AND,
- INSTR_OR,
-
- INSTR_BITAND,
- INSTR_BITOR
+//===================================================================
+//========================= 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 }
};
-
-void code_write();
+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 int opts_debug;
+extern int opts_memchk;
+extern int opts_darkplaces_stringtablebug;
+extern int opts_omit_nullcode;
#endif