X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=gmqcc.h;h=e5d1a5603bb5965cb7d31c9eedab700771063161;hb=f67b6ea240ed62fd40d7383968940b8f90f0c6c9;hp=d201c7885da237327aa51c87449acf9703d150cd;hpb=29a3c02c354a4f6056c0e311a42293f4dc639fd8;p=xonotic%2Fgmqcc.git diff --git a/gmqcc.h b/gmqcc.h index d201c78..e5d1a56 100644 --- a/gmqcc.h +++ b/gmqcc.h @@ -22,7 +22,52 @@ */ #ifndef GMQCC_HDR #define GMQCC_HDR +#include +#include +#include #include +#include +/* + * 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 uintptr_size_is_correct[sizeof(uintptr_t)== sizeof(int*)?1:-1]; //=================================================================== //============================ lex.c ================================ @@ -33,10 +78,8 @@ struct lex_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? */ @@ -90,7 +133,7 @@ struct lex_file *lex_open (FILE *); #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 ================================ @@ -107,7 +150,7 @@ typedef struct typedef_node_t { 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 *); //=================================================================== @@ -116,6 +159,8 @@ int typedef_add (const char *, const char *); void *util_memory_a(unsigned int, unsigned int, const char *); void util_memory_d(void *, unsigned int, const char *); char *util_strdup (const char *); +char *util_strrq (char *); +void util_debug (const char *, const char *, ...); #ifdef NOTRACK # define mem_a(x) malloc(x) @@ -174,6 +219,66 @@ char *util_strdup (const char *); #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 @@ -190,47 +295,39 @@ enum { 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, @@ -252,10 +349,45 @@ enum { INSTR_GOTO, INSTR_AND, INSTR_OR, - INSTR_BITAND, INSTR_BITOR }; -void code_write(); +/* + * 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_strings ); + */ +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_strings_add (char); +extern long code_statements_elements; +extern long code_strings_elements; +extern long code_globals_elements; +extern long code_functions_elements; +extern long code_fields_elements; +extern long code_defs_elements; + +/* + * code_write -- writes out the compiled file + * code_init -- prepares the code file + */ +void code_write (); +void code_init (); + +//=================================================================== +//========================= assembler.c ============================= +//=================================================================== +void asm_init (const char *, FILE **); +void asm_close(FILE *); +void asm_parse(FILE *); #endif