{
va_list ap;
va_start(ap, msg);
- cvprintmsg(ctx, LVL_ERROR, "error", msg, ap);
+ con_cvprintmsg((void*)&ctx, LVL_ERROR, "error", msg, ap);
va_end(ap);
}
/* It must not be possible to get here. */
static GMQCC_NORETURN void _ast_node_destroy(ast_node *self)
{
- fprintf(stderr, "ast node missing destroy()\n");
+ con_err("ast node missing destroy()\n");
abort();
}
buf[pos++] = ')';
return pos;
+ case TYPE_ARRAY:
+ pos = ast_type_to_string_impl(e->expression.next, buf, bufsize, pos);
+ if (pos + 1 >= bufsize)
+ goto full;
+ buf[pos++] = '[';
+ pos += snprintf(buf + pos, bufsize - pos - 1, "%i", (int)e->expression.count);
+ if (pos + 1 >= bufsize)
+ goto full;
+ buf[pos++] = ']';
+ return pos;
+
default:
typestr = type_name[e->expression.vtype];
typelen = strlen(typestr);
self->uses = 0;
memset(&self->constval, 0, sizeof(self->constval));
- self->ir_v = NULL;
+ self->ir_v = NULL;
+ self->ir_values = NULL;
+ self->ir_value_count = 0;
+
+ self->setter = NULL;
+ self->getter = NULL;
return self;
}
break;
}
}
+ if (self->ir_values)
+ mem_d(self->ir_values);
ast_expression_delete((ast_expression*)self);
mem_d(self);
}
ast_entfield* ast_entfield_new(lex_ctx ctx, ast_expression *entity, ast_expression *field)
{
- const ast_expression *outtype;
-
- ast_instantiate(ast_entfield, ctx, ast_entfield_delete);
-
if (field->expression.vtype != TYPE_FIELD) {
- mem_d(self);
+ asterror(ctx, "ast_entfield_new with expression not of type field");
return NULL;
}
+ return ast_entfield_new_force(ctx, entity, field, field->expression.next);
+}
+
+ast_entfield* ast_entfield_new_force(lex_ctx ctx, ast_expression *entity, ast_expression *field, const ast_expression *outtype)
+{
+ ast_instantiate(ast_entfield, ctx, ast_entfield_delete);
- outtype = field->expression.next;
if (!outtype) {
mem_d(self);
/* Error: field has no type... */
mem_d(self);
}
+ast_array_index* ast_array_index_new(lex_ctx ctx, ast_expression *array, ast_expression *index)
+{
+ ast_expression *outtype;
+ ast_instantiate(ast_array_index, ctx, ast_array_index_delete);
+
+ outtype = array->expression.next;
+ if (!outtype) {
+ mem_d(self);
+ /* Error: field has no type... */
+ return NULL;
+ }
+
+ ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_array_index_codegen);
+
+ self->array = array;
+ self->index = index;
+
+ if (!ast_type_adopt(self, outtype)) {
+ ast_array_index_delete(self);
+ return NULL;
+ }
+ if (array->expression.vtype == TYPE_FIELD && outtype->expression.vtype == TYPE_ARRAY) {
+ if (self->expression.vtype != TYPE_ARRAY) {
+ asterror(ast_ctx(self), "array_index node on type");
+ ast_array_index_delete(self);
+ return NULL;
+ }
+ self->array = outtype;
+ self->expression.vtype = TYPE_FIELD;
+ }
+
+ return self;
+}
+
+void ast_array_index_delete(ast_array_index *self)
+{
+ ast_unref(self->array);
+ ast_unref(self->index);
+ ast_expression_delete((ast_expression*)self);
+ mem_d(self);
+}
+
ast_ifthen* ast_ifthen_new(lex_ctx ctx, ast_expression *cond, ast_expression *ontrue, ast_expression *onfalse)
{
ast_instantiate(ast_ifthen, ctx, ast_ifthen_delete);
* on all the globals.
*/
if (!self->ir_v) {
- asterror(ast_ctx(self), "ast_value used before generated (%s)", self->name);
+ char typename[1024];
+ ast_type_to_string((ast_expression*)self, typename, sizeof(typename));
+ asterror(ast_ctx(self), "ast_value used before generated %s %s", typename, self->name);
return false;
}
*out = self->ir_v;
bool ast_global_codegen(ast_value *self, ir_builder *ir, bool isfield)
{
ir_value *v = NULL;
+
if (self->isconst && self->expression.vtype == TYPE_FUNCTION)
{
ir_function *func = ir_builder_create_function(ir, self->name, self->expression.next->expression.vtype);
}
if (isfield && self->expression.vtype == TYPE_FIELD) {
- v = ir_builder_create_field(ir, self->name, self->expression.next->expression.vtype);
- if (!v)
- return false;
- v->context = ast_ctx(self);
+ ast_expression *fieldtype = self->expression.next;
+
if (self->isconst) {
asterror(ast_ctx(self), "TODO: constant field pointers with value");
goto error;
}
- self->ir_v = v;
+
+ if (fieldtype->expression.vtype == TYPE_ARRAY) {
+ size_t ai;
+ char *name;
+ size_t namelen;
+
+ ast_expression_common *elemtype;
+ int vtype;
+ ast_value *array = (ast_value*)fieldtype;
+
+ if (!ast_istype(fieldtype, ast_value)) {
+ asterror(ast_ctx(self), "internal error: ast_value required");
+ return false;
+ }
+
+ /* we are lame now - considering the way QC works we won't tolerate arrays > 1024 elements */
+ if (!array->expression.count || array->expression.count > opts_max_array_size)
+ asterror(ast_ctx(self), "Invalid array of size %lu", (unsigned long)array->expression.count);
+
+ elemtype = &array->expression.next->expression;
+ vtype = elemtype->vtype;
+
+ v = ir_builder_create_field(ir, self->name, vtype);
+ if (!v) {
+ asterror(ast_ctx(self), "ir_builder_create_global failed");
+ return false;
+ }
+ if (vtype == TYPE_FIELD)
+ v->fieldtype = elemtype->next->expression.vtype;
+ v->context = ast_ctx(self);
+ array->ir_v = self->ir_v = v;
+
+ namelen = strlen(self->name);
+ name = (char*)mem_a(namelen + 16);
+ strcpy(name, self->name);
+
+ array->ir_values = (ir_value**)mem_a(sizeof(array->ir_values[0]) * array->expression.count);
+ array->ir_values[0] = v;
+ for (ai = 1; ai < array->expression.count; ++ai) {
+ snprintf(name + namelen, 16, "[%u]", (unsigned int)ai);
+ array->ir_values[ai] = ir_builder_create_field(ir, name, vtype);
+ if (!array->ir_values[ai]) {
+ mem_d(name);
+ asterror(ast_ctx(self), "ir_builder_create_global failed");
+ return false;
+ }
+ if (vtype == TYPE_FIELD)
+ array->ir_values[ai]->fieldtype = elemtype->next->expression.vtype;
+ array->ir_values[ai]->context = ast_ctx(self);
+ }
+ mem_d(name);
+ }
+ else
+ {
+ v = ir_builder_create_field(ir, self->name, self->expression.next->expression.vtype);
+ if (!v)
+ return false;
+ v->context = ast_ctx(self);
+ self->ir_v = v;
+ }
return true;
}
- v = ir_builder_create_global(ir, self->name, self->expression.vtype);
- if (!v) {
- asterror(ast_ctx(self), "ir_builder_create_global failed");
- return false;
+ if (self->expression.vtype == TYPE_ARRAY) {
+ size_t ai;
+ char *name;
+ size_t namelen;
+
+ ast_expression_common *elemtype = &self->expression.next->expression;
+ int vtype = elemtype->vtype;
+
+ /* same as with field arrays */
+ if (!self->expression.count || self->expression.count > opts_max_array_size)
+ asterror(ast_ctx(self), "Invalid array of size %lu", (unsigned long)self->expression.count);
+
+ v = ir_builder_create_global(ir, self->name, vtype);
+ if (!v) {
+ asterror(ast_ctx(self), "ir_builder_create_global failed");
+ return false;
+ }
+ if (vtype == TYPE_FIELD)
+ v->fieldtype = elemtype->next->expression.vtype;
+ v->context = ast_ctx(self);
+
+ namelen = strlen(self->name);
+ name = (char*)mem_a(namelen + 16);
+ strcpy(name, self->name);
+
+ self->ir_values = (ir_value**)mem_a(sizeof(self->ir_values[0]) * self->expression.count);
+ self->ir_values[0] = v;
+ for (ai = 1; ai < self->expression.count; ++ai) {
+ snprintf(name + namelen, 16, "[%u]", (unsigned int)ai);
+ self->ir_values[ai] = ir_builder_create_global(ir, name, vtype);
+ if (!self->ir_values[ai]) {
+ mem_d(name);
+ asterror(ast_ctx(self), "ir_builder_create_global failed");
+ return false;
+ }
+ if (vtype == TYPE_FIELD)
+ self->ir_values[ai]->fieldtype = elemtype->next->expression.vtype;
+ self->ir_values[ai]->context = ast_ctx(self);
+ }
+ mem_d(name);
+ }
+ else
+ {
+ /* Arrays don't do this since there's no "array" value which spans across the
+ * whole thing.
+ */
+ v = ir_builder_create_global(ir, self->name, self->expression.vtype);
+ if (!v) {
+ asterror(ast_ctx(self), "ir_builder_create_global failed");
+ return false;
+ }
+ if (self->expression.vtype == TYPE_FIELD)
+ v->fieldtype = self->expression.next->expression.vtype;
+ v->context = ast_ctx(self);
}
- v->context = ast_ctx(self);
if (self->isconst) {
switch (self->expression.vtype)
if (!ir_value_set_string(v, self->constval.vstring))
goto error;
break;
+ case TYPE_ARRAY:
+ asterror(ast_ctx(self), "TODO: global constant array");
+ break;
case TYPE_FUNCTION:
asterror(ast_ctx(self), "global of type function not properly generated");
goto error;
return false;
}
- v = ir_function_create_local(func, self->name, self->expression.vtype, param);
- if (!v)
- return false;
- v->context = ast_ctx(self);
+ if (self->expression.vtype == TYPE_ARRAY) {
+ size_t ai;
+ char *name;
+ size_t namelen;
+
+ ast_expression_common *elemtype = &self->expression.next->expression;
+ int vtype = elemtype->vtype;
+
+ if (param) {
+ asterror(ast_ctx(self), "array-parameters are not supported");
+ return false;
+ }
+
+ /* we are lame now - considering the way QC works we won't tolerate arrays > 1024 elements */
+ if (!self->expression.count || self->expression.count > opts_max_array_size) {
+ asterror(ast_ctx(self), "Invalid array of size %lu", (unsigned long)self->expression.count);
+ }
+
+ self->ir_values = (ir_value**)mem_a(sizeof(self->ir_values[0]) * self->expression.count);
+ if (!self->ir_values) {
+ asterror(ast_ctx(self), "failed to allocate array values");
+ return false;
+ }
+
+ v = ir_function_create_local(func, self->name, vtype, param);
+ if (!v) {
+ asterror(ast_ctx(self), "ir_function_create_local failed");
+ return false;
+ }
+ if (vtype == TYPE_FIELD)
+ v->fieldtype = elemtype->next->expression.vtype;
+ v->context = ast_ctx(self);
+
+ namelen = strlen(self->name);
+ name = (char*)mem_a(namelen + 16);
+ strcpy(name, self->name);
+
+ self->ir_values[0] = v;
+ for (ai = 1; ai < self->expression.count; ++ai) {
+ snprintf(name + namelen, 16, "[%u]", (unsigned int)ai);
+ self->ir_values[ai] = ir_function_create_local(func, name, vtype, param);
+ if (!self->ir_values[ai]) {
+ asterror(ast_ctx(self), "ir_builder_create_global failed");
+ return false;
+ }
+ if (vtype == TYPE_FIELD)
+ self->ir_values[ai]->fieldtype = elemtype->next->expression.vtype;
+ self->ir_values[ai]->context = ast_ctx(self);
+ }
+ }
+ else
+ {
+ v = ir_function_create_local(func, self->name, self->expression.vtype, param);
+ if (!v)
+ return false;
+ if (self->expression.vtype == TYPE_FIELD)
+ v->fieldtype = self->expression.next->expression.vtype;
+ v->context = ast_ctx(self);
+ }
/* A constant local... hmmm...
* I suppose the IR will have to deal with this
/* link us to the ir_value */
self->ir_v = v;
+
+ if (self->setter) {
+ if (!ast_global_codegen(self->setter, func->owner, false) ||
+ !ast_function_codegen(self->setter->constval.vfunc, func->owner) ||
+ !ir_function_finalize(self->setter->constval.vfunc->ir_func))
+ return false;
+ }
+ if (self->getter) {
+ if (!ast_global_codegen(self->getter, func->owner, false) ||
+ !ast_function_codegen(self->getter->constval.vfunc, func->owner) ||
+ !ir_function_finalize(self->getter->constval.vfunc->ir_func))
+ return false;
+ }
return true;
error: /* clean up */
ast_expression_codegen *cgen;
ir_value *left, *right;
+ ast_value *arr;
+ ast_value *idx;
+ ast_array_index *ai = NULL;
+
if (lvalue && self->expression.outl) {
*out = self->expression.outl;
return true;
return true;
}
- cgen = self->dest->expression.codegen;
- /* lvalue! */
- if (!(*cgen)((ast_expression*)(self->dest), func, true, &left))
- return false;
- self->expression.outl = left;
+ if (ast_istype(self->dest, ast_array_index))
+ {
- cgen = self->source->expression.codegen;
- /* rvalue! */
- if (!(*cgen)((ast_expression*)(self->source), func, false, &right))
- return false;
+ ai = (ast_array_index*)self->dest;
+ idx = (ast_value*)ai->index;
- if (!ir_block_create_store_op(func->curblock, self->op, left, right))
- return false;
- self->expression.outr = right;
+ if (ast_istype(ai->index, ast_value) && idx->isconst)
+ ai = NULL;
+ }
+
+ if (ai) {
+ /* we need to call the setter */
+ ir_value *iridx, *funval;
+ ir_instr *call;
+
+ if (lvalue) {
+ asterror(ast_ctx(self), "array-subscript assignment cannot produce lvalues");
+ return false;
+ }
+
+ arr = (ast_value*)ai->array;
+ if (!ast_istype(ai->array, ast_value) || !arr->setter) {
+ asterror(ast_ctx(self), "value has no setter (%s)", arr->name);
+ return false;
+ }
+
+ cgen = idx->expression.codegen;
+ if (!(*cgen)((ast_expression*)(idx), func, false, &iridx))
+ return false;
+
+ cgen = arr->setter->expression.codegen;
+ if (!(*cgen)((ast_expression*)(arr->setter), func, true, &funval))
+ return false;
+
+ cgen = self->source->expression.codegen;
+ if (!(*cgen)((ast_expression*)(self->source), func, false, &right))
+ return false;
+
+ call = ir_block_create_call(func->curblock, ast_function_label(func, "store"), funval);
+ if (!call)
+ return false;
+ if (!ir_call_param(call, iridx))
+ return false;
+ if (!ir_call_param(call, right))
+ return false;
+ self->expression.outr = right;
+ }
+ else
+ {
+ /* regular code */
+
+ cgen = self->dest->expression.codegen;
+ /* lvalue! */
+ if (!(*cgen)((ast_expression*)(self->dest), func, true, &left))
+ return false;
+ self->expression.outl = left;
+
+ cgen = self->source->expression.codegen;
+ /* rvalue! */
+ if (!(*cgen)((ast_expression*)(self->source), func, false, &right))
+ return false;
+
+ if (!ir_block_create_store_op(func->curblock, self->op, left, right))
+ return false;
+ self->expression.outr = right;
+ }
/* Theoretically, an assinment returns its left side as an
* lvalue, if we don't need an lvalue though, we return
return (*out != NULL);
}
+bool ast_array_index_codegen(ast_array_index *self, ast_function *func, bool lvalue, ir_value **out)
+{
+ ast_value *arr;
+ ast_value *idx;
+
+ if (!lvalue && self->expression.outr) {
+ *out = self->expression.outr;
+ }
+ if (lvalue && self->expression.outl) {
+ *out = self->expression.outl;
+ }
+
+ if (!ast_istype(self->array, ast_value)) {
+ asterror(ast_ctx(self), "array indexing this way is not supported");
+ /* note this would actually be pointer indexing because the left side is
+ * not an actual array but (hopefully) an indexable expression.
+ * Once we get integer arithmetic, and GADDRESS/GSTORE/GLOAD instruction
+ * support this path will be filled.
+ */
+ return false;
+ }
+
+ arr = (ast_value*)self->array;
+ idx = (ast_value*)self->index;
+
+ if (!ast_istype(self->index, ast_value) || !idx->isconst) {
+ /* Time to use accessor functions */
+ ast_expression_codegen *cgen;
+ ir_value *iridx, *funval;
+ ir_instr *call;
+
+ if (lvalue) {
+ asterror(ast_ctx(self), "(.2) array indexing here needs a compile-time constant");
+ return false;
+ }
+
+ if (!arr->getter) {
+ asterror(ast_ctx(self), "value has no getter, don't know how to index it");
+ return false;
+ }
+
+ cgen = self->index->expression.codegen;
+ if (!(*cgen)((ast_expression*)(self->index), func, true, &iridx))
+ return false;
+
+ cgen = arr->getter->expression.codegen;
+ if (!(*cgen)((ast_expression*)(arr->getter), func, true, &funval))
+ return false;
+
+ call = ir_block_create_call(func->curblock, ast_function_label(func, "fetch"), funval);
+ if (!call)
+ return false;
+ if (!ir_call_param(call, iridx))
+ return false;
+
+ *out = ir_call_value(call);
+ self->expression.outr = *out;
+ return true;
+ }
+
+ if (idx->expression.vtype == TYPE_FLOAT)
+ *out = arr->ir_values[(int)idx->constval.vfloat];
+ else if (idx->expression.vtype == TYPE_INTEGER)
+ *out = arr->ir_values[idx->constval.vint];
+ else {
+ asterror(ast_ctx(self), "array indexing here needs an integer constant");
+ return false;
+ }
+ return true;
+}
+
bool ast_ifthen_codegen(ast_ifthen *self, ast_function *func, bool lvalue, ir_value **out)
{
ast_expression_codegen *cgen;
projects / xonotic / gmqcc.git / blobdiff