* 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
};
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).
{ "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 },
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_APPEND(Tself, Twhat, 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) \
++#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) \
+ #define MEM_VEC_FUN_CLEAR(Tself, mem) \
void Tself##_##mem##_clear(Tself *self) \
{ \
if (!self->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_value /* unassignable */
+ store_param, /* parameters, they are locals with a fixed position */
+ store_value, /* unassignable */
+ store_return /* unassignable, at OFS_RETURN */
};
typedef struct {
const char *file;
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 float qcfloat;
+typedef int32_t qcint;
+
+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);
+
#endif
projects / xonotic / gmqcc.git / commitdiff