* Type sizes used at multiple points in the IR codegen
*/
+const char *type_name[TYPE_COUNT] = {
+ "void",
+ "string",
+ "float",
+ "vector",
+ "entity",
+ "field",
+ "function",
+ "pointer",
+#if 0
+ "integer",
+#endif
+ "variant"
+};
+
size_t type_sizeof[TYPE_COUNT] = {
1, /* TYPE_VOID */
1, /* TYPE_STRING */
INSTR_STORE_FNC,
INSTR_STORE_ENT, /* should use I */
#if 0
- INSTR_STORE_ENT, /* integer type */
+ INSTR_STORE_I, /* integer type */
#endif
+
INSTR_STORE_V, /* variant, should never be accessed */
};
#if 0
INSTR_STOREP_ENT, /* integer type */
#endif
+
INSTR_STOREP_V, /* variant, should never be accessed */
};
+uint16_t type_eq_instr[TYPE_COUNT] = {
+ INSTR_EQ_F, /* should use I when having integer support */
+ INSTR_EQ_S,
+ INSTR_EQ_F,
+ INSTR_EQ_V,
+ INSTR_EQ_E,
+ INSTR_EQ_E, /* FLD has no comparison */
+ INSTR_EQ_FNC,
+ INSTR_EQ_E, /* should use I */
+#if 0
+ INSTR_EQ_I,
+#endif
+
+ INSTR_EQ_V, /* variant, should never be accessed */
+};
+
+uint16_t type_ne_instr[TYPE_COUNT] = {
+ INSTR_NE_F, /* should use I when having integer support */
+ INSTR_NE_S,
+ INSTR_NE_F,
+ INSTR_NE_V,
+ INSTR_NE_E,
+ INSTR_NE_E, /* FLD has no comparison */
+ INSTR_NE_FNC,
+ INSTR_NE_E, /* should use I */
+#if 0
+ INSTR_NE_I,
+#endif
+
+ INSTR_NE_V, /* variant, should never be accessed */
+};
+
MEM_VEC_FUNCTIONS(ir_value_vector, ir_value*, v)
+static void irerror(lex_ctx ctx, const char *msg, ...)
+{
+ va_list ap;
+ va_start(ap, msg);
+ cvprintmsg(ctx, LVL_ERROR, "internal error", msg, ap);
+ va_end(ap);
+}
+
/***********************************************************************
*IR Builder
*/
for (i = 0; i != self->globals_count; ++i) {
ir_value_delete(self->globals[i]);
}
- MEM_VECTOR_CLEAR(self, fields);
+ MEM_VECTOR_CLEAR(self, globals);
for (i = 0; i != self->fields_count; ++i) {
ir_value_delete(self->fields[i]);
}
ir_value* ir_builder_create_global(ir_builder *self, const char *name, int vtype)
{
- ir_value *ve = ir_builder_get_global(self, name);
- if (ve) {
- return NULL;
+ ir_value *ve;
+
+ if (name && name[0] != '#')
+ {
+ ve = ir_builder_get_global(self, name);
+ if (ve) {
+ return NULL;
+ }
}
ve = ir_value_var(name, store_global, vtype);
if (param &&
self->locals_count &&
self->locals[self->locals_count-1]->store != store_param) {
- printf("cannot add parameters after adding locals\n");
+ irerror(self->context, "cannot add parameters after adding locals\n");
return NULL;
}
memset(&self->constval, 0, sizeof(self->constval));
memset(&self->code, 0, sizeof(self->code));
+ self->members[0] = NULL;
+ self->members[1] = NULL;
+ self->members[2] = NULL;
+
MEM_VECTOR_INIT(self, life);
return self;
}
self->members[member] = m;
m->code.addroffset = member;
}
+ else
+ {
+ irerror(self->context, "invalid member access on %s\n", self->name);
+ return NULL;
+ }
return m;
}
if (++la == enda)
break;
}
- else if (lb->start < la->start)
+ else /* if (lb->start < la->start) actually <= */
{
/* order: B A, move B forward
* check if we hit the end with B
if (target->store == store_value &&
(op < INSTR_STOREP_F || op > INSTR_STOREP_FNC))
{
- fprintf(stderr, "cannot store to an SSA value\n");
- fprintf(stderr, "trying to store: %s <- %s\n", target->name, what->name);
- fprintf(stderr, "instruction: %s\n", asm_instr[op].m);
+ irerror(self->context, "cannot store to an SSA value\n");
+ irerror(self->context, "trying to store: %s <- %s\n", target->name, what->name);
+ irerror(self->context, "instruction: %s\n", asm_instr[op].m);
return false;
}
{
ir_instr *in;
if (self->final) {
- fprintf(stderr, "block already ended (%s)\n", self->label);
+ irerror(self->context, "block already ended (%s)\n", self->label);
return false;
}
self->final = true;
{
ir_instr *in;
if (self->final) {
- fprintf(stderr, "block already ended (%s)\n", self->label);
+ irerror(self->context, "block already ended (%s)\n", self->label);
return false;
}
self->final = true;
{
ir_instr *in;
if (self->final) {
- fprintf(stderr, "block already ended (%s)\n", self->label);
+ irerror(self->context, "block already ended (%s)\n", self->label);
return false;
}
self->final = true;
{
ir_instr *in;
if (self->final) {
- fprintf(stderr, "block already ended (%s)\n", self->label);
+ irerror(self->context, "block already ended (%s)\n", self->label);
return false;
}
self->final = true;
/* Must not be possible to cause this, otherwise the AST
* is doing something wrong.
*/
- fprintf(stderr, "Invalid entry block for PHI\n");
+ irerror(self->context, "Invalid entry block for PHI\n");
abort();
}
switch (outype)
{
- case TYPE_FLOAT: op = INSTR_LOAD_F; break;
- case TYPE_VECTOR: op = INSTR_LOAD_V; break;
- case TYPE_STRING: op = INSTR_LOAD_S; break;
- case TYPE_FIELD: op = INSTR_LOAD_FLD; break;
- case TYPE_ENTITY: op = INSTR_LOAD_ENT; break;
+ case TYPE_FLOAT: op = INSTR_LOAD_F; break;
+ case TYPE_VECTOR: op = INSTR_LOAD_V; break;
+ case TYPE_STRING: op = INSTR_LOAD_S; break;
+ case TYPE_FIELD: op = INSTR_LOAD_FLD; break;
+ case TYPE_ENTITY: op = INSTR_LOAD_ENT; break;
+ case TYPE_FUNCTION: op = INSTR_LOAD_FNC; break;
#if 0
case TYPE_POINTER: op = INSTR_LOAD_I; break;
case TYPE_INTEGER: op = INSTR_LOAD_I; break;
tempbool = ir_value_life_merge(self->living[i], eid);
/* debug
if (tempbool)
- fprintf(stderr, "block_living_add_instr() value instruction added %s: %i\n", self->living[i]->_name, (int)eid);
+ irerror(self->context, "block_living_add_instr() value instruction added %s: %i\n", self->living[i]->_name, (int)eid);
*/
changed = changed || tempbool;
}
if (!ir_block_living_add(self, prev->living[i]))
return false;
/*
- printf("%s got from prev: %s\n", self->label, prev->living[i]->_name);
+ irerror(self->contextt from prev: %s\n", self->label, prev->living[i]->_name);
*/
}
return true;
* since this function is run multiple times.
*/
/* For now: debug info: */
- fprintf(stderr, "Value only written %s\n", value->name);
+ /* fprintf(stderr, "Value only written %s\n", value->name); */
tempbool = ir_value_life_merge(value, instr->eid);
*changed = *changed || tempbool;
/*
{
ir_value *fld = global->constval.vpointer;
if (!fld) {
- printf("Invalid field constant with no field: %s\n", global->name);
+ irerror(global->context, "Invalid field constant with no field: %s\n", global->name);
return false;
}
* for functions... might as well support that here.
*/
if (!fld->code.globaladdr) {
- printf("FIXME: Relocation support\n");
+ irerror(global->context, "FIXME: Relocation support\n");
return false;
}
{
ir_value *target = global->constval.vpointer;
if (!target) {
- printf("Invalid pointer constant: %s\n", global->name);
+ irerror(global->context, "Invalid pointer constant: %s\n", global->name);
/* NULL pointers are pointing to the NULL constant, which also
* sits at address 0, but still has an ir_value for itself.
*/
/* FIXME: Check for the constant nullptr ir_value!
* because then code.globaladdr being 0 is valid.
*/
- printf("FIXME: Relocation support\n");
+ irerror(global->context, "FIXME: Relocation support\n");
return false;
}
instr = block->instr[i];
if (instr->opcode == VINSTR_PHI) {
- printf("cannot generate virtual instruction (phi)\n");
+ irerror(block->context, "cannot generate virtual instruction (phi)\n");
return false;
}
if (ontrue->generated) {
stmt.opcode = INSTR_IF;
- stmt.o2.s1 = (ontrue->code_start-1) - code_statements_elements;
+ stmt.o2.s1 = (ontrue->code_start) - code_statements_elements;
if (code_statements_add(stmt) < 0)
return false;
}
if (onfalse->generated) {
stmt.opcode = INSTR_IFNOT;
- stmt.o2.s1 = (onfalse->code_start-1) - code_statements_elements;
+ stmt.o2.s1 = (onfalse->code_start) - code_statements_elements;
if (code_statements_add(stmt) < 0)
return false;
}
}
if (instr->opcode == INSTR_STATE) {
- printf("TODO: state instruction\n");
+ irerror(block->context, "TODO: state instruction\n");
return false;
}
* for now. Dead blocks will not be translated obviously.
*/
if (!self->blocks_count) {
- printf("Function '%s' declared without body.\n", self->name);
+ irerror(self->context, "Function '%s' declared without body.\n", self->name);
return false;
}
return true;
if (!gen_blocks_recursive(self, block)) {
- printf("failed to generate blocks for '%s'\n", self->name);
+ irerror(self->context, "failed to generate blocks for '%s'\n", self->name);
return false;
}
if (!global->isconst || (!global->constval.vfunc))
{
- printf("Invalid state of function-global: not constant: %s\n", global->name);
+ irerror(global->context, "Invalid state of function-global: not constant: %s\n", global->name);
return false;
}
local_var_end = 0;
for (i = 0; i < irfun->locals_count; ++i) {
if (!ir_builder_gen_global(ir, irfun->locals[i])) {
- printf("Failed to generate global %s\n", irfun->locals[i]->name);
+ irerror(irfun->locals[i]->context, "Failed to generate global %s\n", irfun->locals[i]->name);
return false;
}
}
else {
fun.entry = code_statements_elements;
if (!gen_function_code(irfun)) {
- printf("Failed to generate code for function %s\n", irfun->name);
+ irerror(irfun->context, "Failed to generate code for function %s\n", irfun->name);
return false;
}
}
return true;
default:
/* refuse to create 'void' type or any other fancy business. */
- printf("Invalid type for global variable %s\n", global->name);
+ irerror(global->context, "Invalid type for global variable %s\n", global->name);
return false;
}
}
* bytes is more than enough for a variable/field name
*/
if (len+2 >= sizeof(name)) {
- printf("invalid field name size: %u\n", (unsigned int)len);
+ irerror(field->context, "invalid field name size: %u\n", (unsigned int)len);
return false;
}
name[0] = '.';
- strcpy(name+1, field->name); /* no strncpy - we used strlen above */
+ memcpy(name+1, field->name, len); /* no strncpy - we used strlen above */
name[len+1] = 0;
def.name = code_genstring(name);
fld.type = field->fieldtype;
if (fld.type == TYPE_VOID) {
- printf("field is missing a type: %s - don't know its size\n", field->name);
+ irerror(field->context, "field is missing a type: %s - don't know its size\n", field->name);
return false;
}
if (code_fields_add(fld) < 0)
return false;
+ ir_value_code_setaddr(field, code_globals_elements);
if (!code_globals_add(fld.offset))
return false;
if (fld.type == TYPE_VECTOR) {
return false;
}
- ir_value_code_setaddr(field, code_globals_add(fld.offset));
return field->code.globaladdr >= 0;
}
#define IND_BUFSZ 1024
+#ifdef WIN32
+# define strncat(dst, src, sz) strncat_s(dst, sz, src, _TRUNCATE)
+#else
+# define strncat strncat
+#endif
+
const char *qc_opname(int op)
{
if (op < 0) return "<INVALID>";
void ir_builder_dump(ir_builder *b, int (*oprintf)(const char*, ...))
{
- size_t i;
- char indent[IND_BUFSZ];
- indent[0] = '\t';
- indent[1] = 0;
-
- oprintf("module %s\n", b->name);
- for (i = 0; i < b->globals_count; ++i)
- {
- oprintf("global ");
- if (b->globals[i]->isconst)
- oprintf("%s = ", b->globals[i]->name);
- ir_value_dump(b->globals[i], oprintf);
- oprintf("\n");
- }
- for (i = 0; i < b->functions_count; ++i)
- ir_function_dump(b->functions[i], indent, oprintf);
- oprintf("endmodule %s\n", b->name);
+ size_t i;
+ char indent[IND_BUFSZ];
+ indent[0] = '\t';
+ indent[1] = 0;
+
+ oprintf("module %s\n", b->name);
+ for (i = 0; i < b->globals_count; ++i)
+ {
+ oprintf("global ");
+ if (b->globals[i]->isconst)
+ oprintf("%s = ", b->globals[i]->name);
+ ir_value_dump(b->globals[i], oprintf);
+ oprintf("\n");
+ }
+ for (i = 0; i < b->functions_count; ++i)
+ ir_function_dump(b->functions[i], indent, oprintf);
+ oprintf("endmodule %s\n", b->name);
}
void ir_function_dump(ir_function *f, char *ind,
int (*oprintf)(const char*, ...))
{
- size_t i;
- if (f->builtin != 0) {
- oprintf("%sfunction %s = builtin %i\n", ind, f->name, -f->builtin);
- return;
- }
- oprintf("%sfunction %s\n", ind, f->name);
- strncat(ind, "\t", IND_BUFSZ);
- if (f->locals_count)
- {
- oprintf("%s%i locals:\n", ind, (int)f->locals_count);
- for (i = 0; i < f->locals_count; ++i) {
- oprintf("%s\t", ind);
- ir_value_dump(f->locals[i], oprintf);
- oprintf("\n");
- }
- }
- if (f->blocks_count)
- {
- oprintf("%slife passes (check): %i\n", ind, (int)f->run_id);
- for (i = 0; i < f->blocks_count; ++i) {
- if (f->blocks[i]->run_id != f->run_id) {
- oprintf("%slife pass check fail! %i != %i\n", ind, (int)f->blocks[i]->run_id, (int)f->run_id);
- }
- ir_block_dump(f->blocks[i], ind, oprintf);
- }
-
- }
- ind[strlen(ind)-1] = 0;
- oprintf("%sendfunction %s\n", ind, f->name);
+ size_t i;
+ if (f->builtin != 0) {
+ oprintf("%sfunction %s = builtin %i\n", ind, f->name, -f->builtin);
+ return;
+ }
+ oprintf("%sfunction %s\n", ind, f->name);
+ strncat(ind, "\t", IND_BUFSZ);
+ if (f->locals_count)
+ {
+ oprintf("%s%i locals:\n", ind, (int)f->locals_count);
+ for (i = 0; i < f->locals_count; ++i) {
+ oprintf("%s\t", ind);
+ ir_value_dump(f->locals[i], oprintf);
+ oprintf("\n");
+ }
+ }
+ if (f->blocks_count)
+ {
+ oprintf("%slife passes (check): %i\n", ind, (int)f->run_id);
+ for (i = 0; i < f->blocks_count; ++i) {
+ if (f->blocks[i]->run_id != f->run_id) {
+ oprintf("%slife pass check fail! %i != %i\n", ind, (int)f->blocks[i]->run_id, (int)f->run_id);
+ }
+ ir_block_dump(f->blocks[i], ind, oprintf);
+ }
+
+ }
+ ind[strlen(ind)-1] = 0;
+ oprintf("%sendfunction %s\n", ind, f->name);
}
void ir_block_dump(ir_block* b, char *ind,
int (*oprintf)(const char*, ...))
{
- size_t i;
- oprintf("%s:%s\n", ind, b->label);
- strncat(ind, "\t", IND_BUFSZ);
+ size_t i;
+ oprintf("%s:%s\n", ind, b->label);
+ strncat(ind, "\t", IND_BUFSZ);
- for (i = 0; i < b->instr_count; ++i)
- ir_instr_dump(b->instr[i], ind, oprintf);
- ind[strlen(ind)-1] = 0;
+ for (i = 0; i < b->instr_count; ++i)
+ ir_instr_dump(b->instr[i], ind, oprintf);
+ ind[strlen(ind)-1] = 0;
}
void dump_phi(ir_instr *in, char *ind,
int (*oprintf)(const char*, ...))
{
- size_t i;
- oprintf("%s <- phi ", in->_ops[0]->name);
- for (i = 0; i < in->phi_count; ++i)
- {
- oprintf("([%s] : %s) ", in->phi[i].from->label,
- in->phi[i].value->name);
- }
- oprintf("\n");
+ size_t i;
+ oprintf("%s <- phi ", in->_ops[0]->name);
+ for (i = 0; i < in->phi_count; ++i)
+ {
+ oprintf("([%s] : %s) ", in->phi[i].from->label,
+ in->phi[i].value->name);
+ }
+ oprintf("\n");
}
void ir_instr_dump(ir_instr *in, char *ind,
int (*oprintf)(const char*, ...))
{
- size_t i;
- const char *comma = NULL;
-
- oprintf("%s (%i) ", ind, (int)in->eid);
-
- if (in->opcode == VINSTR_PHI) {
- dump_phi(in, ind, oprintf);
- return;
- }
-
- strncat(ind, "\t", IND_BUFSZ);
-
- if (in->_ops[0] && (in->_ops[1] || in->_ops[2])) {
- ir_value_dump(in->_ops[0], oprintf);
- if (in->_ops[1] || in->_ops[2])
- oprintf(" <- ");
- }
- oprintf("%s\t", qc_opname(in->opcode));
- if (in->_ops[0] && !(in->_ops[1] || in->_ops[2])) {
- ir_value_dump(in->_ops[0], oprintf);
- comma = ",\t";
- }
- else
- {
- for (i = 1; i != 3; ++i) {
- if (in->_ops[i]) {
- if (comma)
- oprintf(comma);
- ir_value_dump(in->_ops[i], oprintf);
- comma = ",\t";
- }
- }
- }
- if (in->bops[0]) {
- if (comma)
- oprintf(comma);
- oprintf("[%s]", in->bops[0]->label);
- comma = ",\t";
- }
- if (in->bops[1])
- oprintf("%s[%s]", comma, in->bops[1]->label);
- oprintf("\n");
- ind[strlen(ind)-1] = 0;
+ size_t i;
+ const char *comma = NULL;
+
+ oprintf("%s (%i) ", ind, (int)in->eid);
+
+ if (in->opcode == VINSTR_PHI) {
+ dump_phi(in, ind, oprintf);
+ return;
+ }
+
+ strncat(ind, "\t", IND_BUFSZ);
+
+ if (in->_ops[0] && (in->_ops[1] || in->_ops[2])) {
+ ir_value_dump(in->_ops[0], oprintf);
+ if (in->_ops[1] || in->_ops[2])
+ oprintf(" <- ");
+ }
+ if (in->opcode == INSTR_CALL0) {
+ oprintf("CALL%i\t", in->params_count);
+ } else
+ oprintf("%s\t", qc_opname(in->opcode));
+
+ if (in->_ops[0] && !(in->_ops[1] || in->_ops[2])) {
+ ir_value_dump(in->_ops[0], oprintf);
+ comma = ",\t";
+ }
+ else
+ {
+ for (i = 1; i != 3; ++i) {
+ if (in->_ops[i]) {
+ if (comma)
+ oprintf(comma);
+ ir_value_dump(in->_ops[i], oprintf);
+ comma = ",\t";
+ }
+ }
+ }
+ if (in->bops[0]) {
+ if (comma)
+ oprintf(comma);
+ oprintf("[%s]", in->bops[0]->label);
+ comma = ",\t";
+ }
+ if (in->bops[1])
+ oprintf("%s[%s]", comma, in->bops[1]->label);
+ oprintf("\n");
+ ind[strlen(ind)-1] = 0;
}
void ir_value_dump(ir_value* v, int (*oprintf)(const char*, ...))
{
- if (v->isconst) {
- switch (v->vtype) {
- case TYPE_VOID:
- oprintf("(void)");
- break;
- case TYPE_FLOAT:
- oprintf("%g", v->constval.vfloat);
- break;
- case TYPE_VECTOR:
- oprintf("'%g %g %g'",
- v->constval.vvec.x,
- v->constval.vvec.y,
- v->constval.vvec.z);
- break;
- case TYPE_ENTITY:
- oprintf("(entity)");
- break;
- case TYPE_STRING:
- oprintf("\"%s\"", v->constval.vstring);
- break;
+ if (v->isconst) {
+ switch (v->vtype) {
+ default:
+ case TYPE_VOID:
+ oprintf("(void)");
+ break;
+ case TYPE_FUNCTION:
+ oprintf("(function)");
+ break;
+ case TYPE_FLOAT:
+ oprintf("%g", v->constval.vfloat);
+ break;
+ case TYPE_VECTOR:
+ oprintf("'%g %g %g'",
+ v->constval.vvec.x,
+ v->constval.vvec.y,
+ v->constval.vvec.z);
+ break;
+ case TYPE_ENTITY:
+ oprintf("(entity)");
+ break;
+ case TYPE_STRING:
+ oprintf("\"%s\"", v->constval.vstring);
+ break;
#if 0
- case TYPE_INTEGER:
- oprintf("%i", v->constval.vint);
- break;
+ case TYPE_INTEGER:
+ oprintf("%i", v->constval.vint);
+ break;
#endif
- case TYPE_POINTER:
- oprintf("&%s",
- v->constval.vpointer->name);
- break;
- }
- } else {
- oprintf("%s", v->name);
- }
+ case TYPE_POINTER:
+ oprintf("&%s",
+ v->constval.vpointer->name);
+ break;
+ }
+ } else {
+ oprintf("%s", v->name);
+ }
}
void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...))
{
- size_t i;
- oprintf("Life of %s:\n", self->name);
- for (i = 0; i < self->life_count; ++i)
- {
- oprintf(" + [%i, %i]\n", self->life[i].start, self->life[i].end);
- }
+ size_t i;
+ oprintf("Life of %s:\n", self->name);
+ for (i = 0; i < self->life_count; ++i)
+ {
+ oprintf(" + [%i, %i]\n", self->life[i].start, self->life[i].end);
+ }
}