ast_value **accessors;
ast_value *imm_float_zero;
+ ast_value *imm_float_one;
ast_value *imm_vector_zero;
size_t crc_globals;
size_t i;
ast_value *out;
for (i = 0; i < vec_size(parser->imm_float); ++i) {
- if ((double)(parser->imm_float[i]->constval.vfloat) == d)
+ const double compare = parser->imm_float[i]->constval.vfloat;
+ if (memcmp((const void*)&compare, (const void *)&d, sizeof(double)) == 0)
return parser->imm_float[i];
}
out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
return parser->imm_float_zero;
}
+static ast_value* parser_const_float_1(parser_t *parser)
+{
+ if (!parser->imm_float_one)
+ parser->imm_float_one = parser_const_float(parser, 1);
+ return parser->imm_float_one;
+}
+
static char *parser_strdup(const char *str)
{
if (str && !*str) {
ast_expression *exprs[3];
ast_block *blocks[3];
ast_value *asvalue[3];
- size_t i, assignop;
+ size_t i, assignop, addop, subop;
qcint generated_op = 0;
char ty1[1024];
}
out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
break;
+ case opid3('+','+','P'):
+ case opid3('-','-','P'):
+ /* prefix ++ */
+ if (exprs[0]->expression.vtype != TYPE_FLOAT) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ parseerror(parser, "invalid type for prefix increment: %s", ty1);
+ return false;
+ }
+ if (op->id == opid3('+','+','P'))
+ addop = INSTR_ADD_F;
+ else
+ addop = INSTR_SUB_F;
+ if (ast_istype(exprs[0], ast_entfield)) {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ } else {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ }
+ break;
+ case opid3('S','+','+'):
+ case opid3('S','-','-'):
+ /* prefix ++ */
+ if (exprs[0]->expression.vtype != TYPE_FLOAT) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ parseerror(parser, "invalid type for suffix increment: %s", ty1);
+ return false;
+ }
+ if (op->id == opid3('S','+','+')) {
+ addop = INSTR_ADD_F;
+ subop = INSTR_SUB_F;
+ } else {
+ addop = INSTR_SUB_F;
+ subop = INSTR_ADD_F;
+ }
+ if (ast_istype(exprs[0], ast_entfield)) {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ } else {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ }
+ if (!out)
+ return false;
+ out = (ast_expression*)ast_binary_new(ctx, subop,
+ out,
+ (ast_expression*)parser_const_float_1(parser));
+ break;
case opid2('+','='):
case opid2('-','='):
if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
(exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
{
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
- type_name[exprs[0]->expression.vtype],
- type_name[exprs[1]->expression.vtype]);
+ ty1, ty2);
return false;
}
if (ast_istype(exprs[0], ast_entfield))
return false;
};
break;
+ case opid2('*','='):
+ case opid2('/','='):
+ if (exprs[1]->expression.vtype != TYPE_FLOAT ||
+ !(exprs[0]->expression.vtype == TYPE_FLOAT ||
+ exprs[0]->expression.vtype == TYPE_VECTOR))
+ {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
+ parseerror(parser, "invalid types used in expression: %s and %s",
+ ty1, ty2);
+ return false;
+ }
+ if (ast_istype(exprs[0], ast_entfield))
+ assignop = type_storep_instr[exprs[0]->expression.vtype];
+ else
+ assignop = type_store_instr[exprs[0]->expression.vtype];
+ switch (exprs[0]->expression.vtype) {
+ case TYPE_FLOAT:
+ out = (ast_expression*)ast_binstore_new(ctx, assignop,
+ (op->id == opid2('*','=') ? INSTR_MUL_F : INSTR_DIV_F),
+ exprs[0], exprs[1]);
+ break;
+ case TYPE_VECTOR:
+ if (op->id == opid2('*','=')) {
+ out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
+ exprs[0], exprs[1]);
+ } else {
+ /* there's no DIV_VF */
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F,
+ (ast_expression*)parser_const_float_1(parser),
+ exprs[1]);
+ if (!out)
+ return false;
+ out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
+ exprs[0], out);
+ }
+ break;
+ default:
+ parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ };
+ break;
+ case opid2('&','='):
+ case opid2('|','='):
+ if (NotSameType(TYPE_FLOAT)) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
+ parseerror(parser, "invalid types used in expression: %s and %s",
+ ty1, ty2);
+ return false;
+ }
+ if (ast_istype(exprs[0], ast_entfield))
+ assignop = type_storep_instr[exprs[0]->expression.vtype];
+ else
+ assignop = type_store_instr[exprs[0]->expression.vtype];
+ out = (ast_expression*)ast_binstore_new(ctx, assignop,
+ (op->id == opid2('&','=') ? INSTR_BITAND : INSTR_BITOR),
+ exprs[0], exprs[1]);
+ break;
+ case opid3('&','~','='):
+ /* This is like: a &= ~(b);
+ * But QC has no bitwise-not, so we implement it as
+ * a -= a & (b);
+ */
+ if (NotSameType(TYPE_FLOAT)) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
+ parseerror(parser, "invalid types used in expression: %s and %s",
+ ty1, ty2);
+ return false;
+ }
+ if (ast_istype(exprs[0], ast_entfield))
+ assignop = type_storep_instr[exprs[0]->expression.vtype];
+ else
+ assignop = type_store_instr[exprs[0]->expression.vtype];
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_BITAND, exprs[0], exprs[1]);
+ if (!out)
+ return false;
+ out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
+ break;
}
#undef NotSameType
else
{
/* classify the operator */
- /* TODO: suffix operators */
const oper_info *op;
const oper_info *olast = NULL;
size_t o;
for (o = 0; o < operator_count; ++o) {
if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
- !(operators[o].flags & OP_SUFFIX) && /* remove this */
+ /* !(operators[o].flags & OP_SUFFIX) && / * remove this */
!strcmp(parser_tokval(parser), operators[o].op))
{
break;
} else {
DEBUGSHUNTDO(con_out("push operator %s\n", op->op));
vec_push(sy.ops, syop(parser_ctx(parser), op));
- wantop = false;
+ wantop = !!(op->flags & OP_SUFFIX);
}
}
if (!parser_next(parser)) {
lex_ctx ctx = ast_ctx(array);
if (from+1 == afterend) {
- // set this value
+ /* set this value */
ast_block *block;
ast_return *ret;
ast_array_index *subscript;
+ ast_store *st;
int assignop = type_store_instr[value->expression.vtype];
if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
if (!subscript)
return NULL;
- ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
+ st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
if (!st) {
ast_delete(subscript);
return NULL;
lex_ctx ctx = ast_ctx(array);
if (from+1 == afterend) {
- // set this value
+ /* set this value */
ast_block *block;
ast_return *ret;
ast_entfield *entfield;
ast_array_index *subscript;
+ ast_store *st;
int assignop = type_storep_instr[value->expression.vtype];
if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
return NULL;
}
- ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
+ st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
if (!st) {
ast_delete(entfield);
return NULL;
projects / xonotic / gmqcc.git / blobdiff