#include <errno.h>
+#include <stdio.h>
#include <string.h>
#include <stdarg.h>
MEM_VEC_FUNCTIONS(qc_program, prog_section_def, fields)
MEM_VEC_FUNCTIONS(qc_program, prog_section_function, functions)
MEM_VEC_FUNCTIONS(qc_program, char, strings)
-_MEM_VEC_FUN_APPEND(qc_program, char, strings)
-_MEM_VEC_FUN_RESIZE(qc_program, char, strings)
+MEM_VEC_FUN_APPEND(qc_program, char, strings)
+MEM_VEC_FUN_RESIZE(qc_program, char, strings)
MEM_VEC_FUNCTIONS(qc_program, qcint, globals)
MEM_VEC_FUNCTIONS(qc_program, qcint, entitydata)
+MEM_VEC_FUNCTIONS(qc_program, bool, entitypool)
MEM_VEC_FUNCTIONS(qc_program, qcint, localstack)
-_MEM_VEC_FUN_APPEND(qc_program, qcint, localstack)
-_MEM_VEC_FUN_RESIZE(qc_program, qcint, localstack)
+MEM_VEC_FUN_APPEND(qc_program, qcint, localstack)
+MEM_VEC_FUN_RESIZE(qc_program, qcint, localstack)
MEM_VEC_FUNCTIONS(qc_program, qc_exec_stack, stack)
MEM_VEC_FUNCTIONS(qc_program, size_t, profile)
-_MEM_VEC_FUN_RESIZE(qc_program, size_t, profile)
+MEM_VEC_FUN_RESIZE(qc_program, size_t, profile)
+
+MEM_VEC_FUNCTIONS(qc_program, prog_builtin, builtins)
static void loaderror(const char *fmt, ...)
{
printf(": %s\n", strerror(err));
}
+static void qcvmerror(qc_program *prog, const char *fmt, ...)
+{
+ va_list ap;
+
+ prog->vmerror++;
+
+ va_start(ap, fmt);
+ vprintf(fmt, ap);
+ va_end(ap);
+ putchar('\n');
+}
+
qc_program* prog_load(const char *filename)
{
qc_program *prog;
prog_header header;
+ size_t i;
FILE *file;
- file = fopen(filename, "rb");
+ file = util_fopen(filename, "rb");
if (!file)
return NULL;
if (!qc_program_strings_resize(prog, prog->strings_count + 16*1024))
goto error;
+ /* spawn the world entity */
+ if (!qc_program_entitypool_add(prog, true)) {
+ loaderror("failed to allocate world entity\n");
+ goto error;
+ }
+ for (i = 0; i < prog->entityfields; ++i) {
+ if (!qc_program_entitydata_add(prog, 0)) {
+ loaderror("failed to allocate world data\n");
+ goto error;
+ }
+ }
+ prog->entities = 1;
+
return prog;
error:
if (prog->strings) mem_d(prog->strings);
if (prog->globals) mem_d(prog->globals);
if (prog->entitydata) mem_d(prog->entitydata);
+ if (prog->entitypool) mem_d(prog->entitypool);
mem_d(prog);
return NULL;
}
MEM_VECTOR_CLEAR(prog, strings);
MEM_VECTOR_CLEAR(prog, globals);
MEM_VECTOR_CLEAR(prog, entitydata);
+ MEM_VECTOR_CLEAR(prog, entitypool);
MEM_VECTOR_CLEAR(prog, localstack);
MEM_VECTOR_CLEAR(prog, stack);
MEM_VECTOR_CLEAR(prog, profile);
+
+ if (prog->builtins_alloc) {
+ MEM_VECTOR_CLEAR(prog, builtins);
+ }
+ /* otherwise the builtins were statically allocated */
mem_d(prog);
}
qcany* prog_getedict(qc_program *prog, qcint e)
{
- return (qcany*)(prog->entitydata + (prog->entityfields + e));
+ if (e >= prog->entitypool_count) {
+ prog->vmerror++;
+ printf("Accessing out of bounds edict %i\n", (int)e);
+ e = 0;
+ }
+ return (qcany*)(prog->entitydata + (prog->entityfields * e));
+}
+
+qcint prog_spawn_entity(qc_program *prog)
+{
+ size_t i;
+ qcint e;
+ for (e = 0; e < (qcint)prog->entitypool_count; ++e) {
+ if (!prog->entitypool[e]) {
+ char *data = (char*)(prog->entitydata + (prog->entityfields * e));
+ memset(data, 0, prog->entityfields * sizeof(qcint));
+ return e;
+ }
+ }
+ if (!qc_program_entitypool_add(prog, true)) {
+ prog->vmerror++;
+ printf("Failed to allocate entity\n");
+ return 0;
+ }
+ prog->entities++;
+ for (i = 0; i < prog->entityfields; ++i) {
+ if (!qc_program_entitydata_add(prog, 0)) {
+ printf("Failed to allocate entity\n");
+ return 0;
+ }
+ }
+ return e;
+}
+
+void prog_free_entity(qc_program *prog, qcint e)
+{
+ if (!e) {
+ prog->vmerror++;
+ printf("Trying to free world entity\n");
+ return;
+ }
+ if (e >= prog->entitypool_count) {
+ prog->vmerror++;
+ printf("Trying to free out of bounds entity\n");
+ return;
+ }
+ if (!prog->entitypool[e]) {
+ prog->vmerror++;
+ printf("Double free on entity\n");
+ return;
+ }
+ prog->entitypool[e] = false;
}
qcint prog_tempstring(qc_program *prog, const char *_str)
return at;
}
+static int print_escaped_string(const char *str)
+{
+ int len = 2;
+ putchar('"');
+ while (*str) {
+ switch (*str) {
+ case '\a': len += 2; putchar('\\'); putchar('a'); break;
+ case '\b': len += 2; putchar('\\'); putchar('b'); break;
+ case '\r': len += 2; putchar('\\'); putchar('r'); break;
+ case '\n': len += 2; putchar('\\'); putchar('n'); break;
+ case '\t': len += 2; putchar('\\'); putchar('t'); break;
+ case '\f': len += 2; putchar('\\'); putchar('f'); break;
+ case '\v': len += 2; putchar('\\'); putchar('v'); break;
+ case '\\': len += 2; putchar('\\'); putchar('\\'); break;
+ case '"': len += 2; putchar('\\'); putchar('"'); break;
+ default:
+ ++len;
+ putchar(*str);
+ break;
+ }
+ ++str;
+ }
+ putchar('"');
+ return len;
+}
+
static void trace_print_global(qc_program *prog, unsigned int glob, int vtype)
{
- static char spaces[16+1] = " ";
+ static char spaces[40+1] = " ";
prog_section_def *def;
qcany *value;
int len;
- if (!glob)
- return;
+ if (!glob) {
+ len = printf("<null>,");
+ goto done;
+ }
def = prog_getdef(prog, glob);
value = (qcany*)(&prog->globals[glob]);
vtype = def->type;
}
else
- len = printf("[#%u] ", glob);
+ len = printf("[@%u] ", glob);
switch (vtype) {
case TYPE_VOID:
value->vector[2]);
break;
case TYPE_STRING:
- len += printf("\"%s\",", prog_getstring(prog, value->string));
+ len += print_escaped_string(prog_getstring(prog, value->string));
+ len += printf(",");
+ /* len += printf("\"%s\",", prog_getstring(prog, value->string)); */
break;
case TYPE_FLOAT:
default:
len += printf("%g,", value->_float);
break;
}
- if (len < 16) {
- spaces[16-len] = 0;
+done:
+ if (len < sizeof(spaces)-1) {
+ spaces[sizeof(spaces)-1-len] = 0;
printf(spaces);
- spaces[16-len] = ' ';
+ spaces[sizeof(spaces)-1-len] = ' ';
}
}
printf("<illegal instruction %d>\n", st->opcode);
return;
}
- printf("%-12s", asm_instr[st->opcode].m);
+ printf(" <> %-12s", asm_instr[st->opcode].m);
if (st->opcode >= INSTR_IF &&
st->opcode <= INSTR_IFNOT)
{
case INSTR_NE_S:
t[0] = t[1] = TYPE_STRING;
break;
+ case INSTR_STORE_F:
+ case INSTR_STOREP_F:
+ t[2] = -1;
+ break;
case INSTR_STORE_V:
t[0] = t[1] = TYPE_VECTOR; t[2] = -1;
break;
case INSTR_STORE_S:
t[0] = t[1] = TYPE_STRING; t[2] = -1;
break;
+ case INSTR_STORE_ENT:
+ t[0] = t[1] = TYPE_ENTITY; t[2] = -1;
+ break;
+ case INSTR_STORE_FLD:
+ t[0] = t[1] = TYPE_FIELD; t[2] = -1;
+ break;
+ case INSTR_STORE_FNC:
+ t[0] = t[1] = TYPE_FUNCTION; t[2] = -1;
+ break;
+ case INSTR_STOREP_V:
+ t[0] = TYPE_VECTOR; t[1] = TYPE_ENTITY; t[2] = -1;
+ break;
+ case INSTR_STOREP_S:
+ t[0] = TYPE_STRING; t[1] = TYPE_ENTITY; t[2] = -1;
+ break;
+ case INSTR_STOREP_ENT:
+ t[0] = TYPE_ENTITY; t[1] = TYPE_ENTITY; t[2] = -1;
+ break;
+ case INSTR_STOREP_FLD:
+ t[0] = TYPE_FIELD; t[1] = TYPE_ENTITY; t[2] = -1;
+ break;
+ case INSTR_STOREP_FNC:
+ t[0] = TYPE_FUNCTION; t[1] = TYPE_ENTITY; t[2] = -1;
+ break;
}
if (t[0] >= 0) trace_print_global(prog, st->o1.u1, t[0]);
+ else printf("(none), ");
if (t[1] >= 0) trace_print_global(prog, st->o2.u1, t[1]);
+ else printf("(none), ");
if (t[2] >= 0) trace_print_global(prog, st->o3.u1, t[2]);
+ else printf("(none)");
printf("\n");
}
+ fflush(stdout);
}
static qcint prog_enterfunction(qc_program *prog, prog_section_function *func)
{
qc_exec_stack st;
- prog_section_function *cur = NULL;
-
- if (prog->stack_count)
- cur = prog->stack[prog->stack_count-1].function;
+ size_t p, parampos;
/* back up locals */
st.localsp = prog->localstack_count;
st.stmt = prog->statement;
st.function = func;
- if (cur)
+#ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
+ if (prog->stack_count)
+ {
+ prog_section_function *cur;
+ cur = prog->stack[prog->stack_count-1].function;
+ if (cur)
+ {
+ qcint *globals = prog->globals + cur->firstlocal;
+ if (!qc_program_localstack_append(prog, globals, cur->locals))
+ {
+ printf("out of memory\n");
+ exit(1);
+ }
+ }
+ }
+#else
{
- qcint *globals = prog->globals + cur->firstlocal;
- if (!qc_program_localstack_append(prog, globals, cur->locals))
+ qcint *globals = prog->globals + func->firstlocal;
+ if (!qc_program_localstack_append(prog, globals, func->locals))
{
printf("out of memory\n");
exit(1);
}
}
+#endif
+
+ /* copy parameters */
+ parampos = func->firstlocal;
+ for (p = 0; p < func->nargs; ++p)
+ {
+ size_t s;
+ for (s = 0; s < func->argsize[p]; ++s) {
+ prog->globals[parampos] = prog->globals[OFS_PARM0 + 3*p + s];
+ ++parampos;
+ }
+ }
if (!qc_program_stack_add(prog, st)) {
printf("out of memory\n");
static qcint prog_leavefunction(qc_program *prog)
{
+ prog_section_function *prev = NULL;
+ size_t oldsp;
+
qc_exec_stack st = prog->stack[prog->stack_count-1];
- if (!qc_program_stack_remove(prog, prog->stack_count-1)) {
- printf("out of memory\n");
- exit(1);
- }
- if (st.localsp != prog->localstack_count) {
- if (!qc_program_localstack_resize(prog, st.localsp)) {
+#ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
+ if (prog->stack_count > 1) {
+ prev = prog->stack[prog->stack_count-2].function;
+ oldsp = prog->stack[prog->stack_count-2].localsp;
+ }
+#else
+ prev = prog->stack[prog->stack_count-1].function;
+ oldsp = prog->stack[prog->stack_count-1].localsp;
+#endif
+ if (prev) {
+ qcint *globals = prog->globals + prev->firstlocal;
+ memcpy(globals, prog->localstack + oldsp, prev->locals);
+ if (!qc_program_localstack_resize(prog, oldsp)) {
printf("out of memory\n");
exit(1);
}
}
- return st.stmt;
+ if (!qc_program_stack_remove(prog, prog->stack_count-1)) {
+ printf("out of memory\n");
+ exit(1);
+ }
+
+ return st.stmt - 1; /* offset the ++st */
}
bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps)
long jumpcount = 0;
prog_section_statement *st;
+ prog->vmerror = 0;
+
st = prog->code + prog_enterfunction(prog, func);
--st;
switch (flags)
cleanup:
prog->localstack_count = 0;
prog->stack_count = 0;
+ if (prog->vmerror)
+ return false;
return true;
}
*/
#if defined(QCVM_EXECUTOR)
+bool opts_debug = false;
+bool opts_memchk = false;
+
+#define CheckArgs(num) do { \
+ if (prog->argc != (num)) { \
+ prog->vmerror++; \
+ printf("ERROR: invalid number of arguments for %s: %i, expected %i\n", \
+ __FUNCTION__, prog->argc, (num)); \
+ return -1; \
+ } \
+} while (0)
+
+#define GetGlobal(idx) ((qcany*)(prog->globals + (idx)))
+#define GetArg(num) GetGlobal(OFS_PARM0 + 3*(num))
+#define Return(any) *(GetGlobal(OFS_RETURN)) = (any)
+
+static int qc_print(qc_program *prog)
+{
+ size_t i;
+ for (i = 0; i < prog->argc; ++i) {
+ qcany *str = (qcany*)(prog->globals + OFS_PARM0 + 3*i);
+ printf("%s", prog_getstring(prog, str->string));
+ }
+ return 0;
+}
+
+static int qc_ftos(qc_program *prog)
+{
+ char buffer[512];
+ qcany *num;
+ qcany str;
+ CheckArgs(1);
+ num = GetArg(0);
+ snprintf(buffer, sizeof(buffer), "%g", num->_float);
+ str.string = prog_tempstring(prog, buffer);
+ Return(str);
+ return 0;
+}
+
+static int qc_spawn(qc_program *prog)
+{
+ qcany ent;
+ CheckArgs(0);
+ ent.edict = prog_spawn_entity(prog);
+ Return(ent);
+ return (ent.edict ? 0 : -1);
+}
+
+static int qc_kill(qc_program *prog)
+{
+ qcany *ent;
+ CheckArgs(1);
+ ent = GetArg(0);
+ prog_free_entity(prog, ent->edict);
+ return 0;
+}
+
+static prog_builtin qc_builtins[] = {
+ NULL,
+ &qc_print,
+ &qc_ftos,
+ &qc_spawn,
+ &qc_kill
+};
+static size_t qc_builtins_count = sizeof(qc_builtins) / sizeof(qc_builtins[0]);
+
+static const char *arg0 = NULL;
+
+void usage()
+{
+ printf("usage: [-debug] %s file\n", arg0);
+ exit(1);
+}
+
int main(int argc, char **argv)
{
size_t i;
qcint fnmain = -1;
qc_program *prog;
+ size_t xflags = VMXF_DEFAULT;
- if (argc != 2) {
- printf("usage: %s file\n", argv[0]);
- exit(1);
+ arg0 = argv[0];
+
+ if (argc < 2)
+ usage();
+
+ while (argc > 2) {
+ if (!strcmp(argv[1], "-trace")) {
+ --argc;
+ ++argv;
+ xflags |= VMXF_TRACE;
+ }
+ else if (!strcmp(argv[1], "-profile")) {
+ --argc;
+ ++argv;
+ xflags |= VMXF_PROFILE;
+ }
+ else
+ usage();
}
+
prog = prog_load(argv[1]);
if (!prog) {
printf("failed to load program '%s'\n", argv[1]);
exit(1);
}
+ prog->builtins = qc_builtins;
+ prog->builtins_count = qc_builtins_count;
+ prog->builtins_alloc = 0;
+
for (i = 1; i < prog->functions_count; ++i) {
const char *name = prog_getstring(prog, prog->functions[i].name);
- printf("Found function: %s\n", name);
+ /* printf("Found function: %s\n", name); */
if (!strcmp(name, "main"))
fnmain = (qcint)i;
}
+ printf("Entity field space: %i\n", (int)prog->entityfields);
if (fnmain > 0)
{
- prog_exec(prog, &prog->functions[fnmain], VMXF_TRACE, VM_JUMPS_DEFAULT);
+ prog_exec(prog, &prog->functions[fnmain], xflags, VM_JUMPS_DEFAULT);
}
else
printf("No main function found\n");
projects / xonotic / gmqcc.git / blobdiff