X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=ast.c;h=3fc7353206e80c690c9d4021aab20d4270b7e9a2;hb=ed6189e65531819b21c12651e2eb8118bf3e0f17;hp=3474dfca472735545e6689529e1b642b753a2beb;hpb=69d93409e5f88864e38b5c3ab5e211096b541b1a;p=xonotic%2Fgmqcc.git

diff --git a/ast.c b/ast.c
index 3474dfc..3fc7353 100644
--- a/ast.c
+++ b/ast.c
@@ -29,29 +29,285 @@
 
 #define ast_instantiate(T, ctx, destroyfn)                          \
     T* self = (T*)mem_a(sizeof(T));                                 \
-    ast_node_init((ast_node*)self, ctx);                            \
+    if (!self) {                                                    \
+        return NULL;                                                \
+    }                                                               \
+    ast_node_init((ast_node*)self, ctx, TYPE_##T);                  \
     ( (ast_node*)self )->node.destroy = (ast_node_delete*)destroyfn
 
+/* error handling */
+static void asterror(lex_ctx ctx, const char *msg, ...)
+{
+    va_list ap;
+    va_start(ap, msg);
+    con_cvprintmsg((void*)&ctx, LVL_ERROR, "error", msg, ap);
+    va_end(ap);
+}
+
 /* It must not be possible to get here. */
-static void _ast_node_destroy(ast_node *self)
+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();
 }
 
 /* Initialize main ast node aprts */
-static void ast_node_init(ast_node *self, lex_ctx ctx)
+static void ast_node_init(ast_node *self, lex_ctx ctx, int nodetype)
 {
     self->node.context = ctx;
     self->node.destroy = &_ast_node_destroy;
     self->node.keep    = false;
+    self->node.nodetype = nodetype;
 }
 
 /* General expression initialization */
 static void ast_expression_init(ast_expression *self,
                                 ast_expression_codegen *codegen)
 {
-    self->expression.codegen = codegen;
+    self->expression.codegen  = codegen;
+    self->expression.vtype    = TYPE_VOID;
+    self->expression.next     = NULL;
+    self->expression.outl     = NULL;
+    self->expression.outr     = NULL;
+    self->expression.variadic = false;
+    self->expression.params   = NULL;
+}
+
+static void ast_expression_delete(ast_expression *self)
+{
+    size_t i;
+    if (self->expression.next)
+        ast_delete(self->expression.next);
+    for (i = 0; i < vec_size(self->expression.params); ++i) {
+        ast_delete(self->expression.params[i]);
+    }
+    vec_free(self->expression.params);
+}
+
+static void ast_expression_delete_full(ast_expression *self)
+{
+    ast_expression_delete(self);
+    mem_d(self);
+}
+
+ast_value* ast_value_copy(const ast_value *self)
+{
+    size_t i;
+    const ast_expression_common *fromex;
+    ast_expression_common *selfex;
+    ast_value *cp = ast_value_new(self->expression.node.context, self->name, self->expression.vtype);
+    if (self->expression.next) {
+        cp->expression.next = ast_type_copy(self->expression.node.context, self->expression.next);
+        if (!cp->expression.next) {
+            ast_value_delete(cp);
+            return NULL;
+        }
+    }
+    fromex   = &self->expression;
+    selfex = &cp->expression;
+    selfex->variadic = fromex->variadic;
+    for (i = 0; i < vec_size(fromex->params); ++i) {
+        ast_value *v = ast_value_copy(fromex->params[i]);
+        if (!v) {
+            ast_value_delete(cp);
+            return NULL;
+        }
+        vec_push(selfex->params, v);
+    }
+    return cp;
+}
+
+bool ast_type_adopt_impl(ast_expression *self, const ast_expression *other)
+{
+    size_t i;
+    const ast_expression_common *fromex;
+    ast_expression_common *selfex;
+    self->expression.vtype = other->expression.vtype;
+    if (other->expression.next) {
+        self->expression.next = (ast_expression*)ast_type_copy(ast_ctx(self), other->expression.next);
+        if (!self->expression.next)
+            return false;
+    }
+    fromex   = &other->expression;
+    selfex = &self->expression;
+    selfex->variadic = fromex->variadic;
+    for (i = 0; i < vec_size(fromex->params); ++i) {
+        ast_value *v = ast_value_copy(fromex->params[i]);
+        if (!v)
+            return false;
+        vec_push(selfex->params, v);
+    }
+    return true;
+}
+
+static ast_expression* ast_shallow_type(lex_ctx ctx, int vtype)
+{
+    ast_instantiate(ast_expression, ctx, ast_expression_delete_full);
+    ast_expression_init(self, NULL);
+    self->expression.codegen = NULL;
+    self->expression.next    = NULL;
+    self->expression.vtype   = vtype;
+    return self;
+}
+
+ast_expression* ast_type_copy(lex_ctx ctx, const ast_expression *ex)
+{
+    size_t i;
+    const ast_expression_common *fromex;
+    ast_expression_common *selfex;
+
+    if (!ex)
+        return NULL;
+    else
+    {
+        ast_instantiate(ast_expression, ctx, ast_expression_delete_full);
+        ast_expression_init(self, NULL);
+
+        fromex   = &ex->expression;
+        selfex = &self->expression;
+
+        /* This may never be codegen()d */
+        selfex->codegen = NULL;
+
+        selfex->vtype = fromex->vtype;
+        if (fromex->next)
+        {
+            selfex->next = ast_type_copy(ctx, fromex->next);
+            if (!selfex->next) {
+                ast_expression_delete_full(self);
+                return NULL;
+            }
+        }
+        else
+            selfex->next = NULL;
+
+        selfex->variadic = fromex->variadic;
+        for (i = 0; i < vec_size(fromex->params); ++i) {
+            ast_value *v = ast_value_copy(fromex->params[i]);
+            if (!v) {
+                ast_expression_delete_full(self);
+                return NULL;
+            }
+            vec_push(selfex->params, v);
+        }
+
+        return self;
+    }
+}
+
+bool ast_compare_type(ast_expression *a, ast_expression *b)
+{
+    if (a->expression.vtype != b->expression.vtype)
+        return false;
+    if (!a->expression.next != !b->expression.next)
+        return false;
+    if (vec_size(a->expression.params) != vec_size(b->expression.params))
+        return false;
+    if (a->expression.variadic != b->expression.variadic)
+        return false;
+    if (vec_size(a->expression.params)) {
+        size_t i;
+        for (i = 0; i < vec_size(a->expression.params); ++i) {
+            if (!ast_compare_type((ast_expression*)a->expression.params[i],
+                                  (ast_expression*)b->expression.params[i]))
+                return false;
+        }
+    }
+    if (a->expression.next)
+        return ast_compare_type(a->expression.next, b->expression.next);
+    return true;
+}
+
+static size_t ast_type_to_string_impl(ast_expression *e, char *buf, size_t bufsize, size_t pos)
+{
+    const char *typestr;
+    size_t typelen;
+    size_t i;
+
+    if (!e) {
+        if (pos + 6 >= bufsize)
+            goto full;
+        strcpy(buf + pos, "(null)");
+        return pos + 6;
+    }
+
+    if (pos + 1 >= bufsize)
+        goto full;
+
+    switch (e->expression.vtype) {
+        case TYPE_VARIANT:
+            strcpy(buf + pos, "(variant)");
+            return pos + 9;
+
+        case TYPE_FIELD:
+            buf[pos++] = '.';
+            return ast_type_to_string_impl(e->expression.next, buf, bufsize, pos);
+
+        case TYPE_POINTER:
+            if (pos + 3 >= bufsize)
+                goto full;
+            buf[pos++] = '*';
+            buf[pos++] = '(';
+            pos = ast_type_to_string_impl(e->expression.next, buf, bufsize, pos);
+            if (pos + 1 >= bufsize)
+                goto full;
+            buf[pos++] = ')';
+            return pos;
+
+        case TYPE_FUNCTION:
+            pos = ast_type_to_string_impl(e->expression.next, buf, bufsize, pos);
+            if (pos + 2 >= bufsize)
+                goto full;
+            if (!vec_size(e->expression.params)) {
+                buf[pos++] = '(';
+                buf[pos++] = ')';
+                return pos;
+            }
+            buf[pos++] = '(';
+            pos = ast_type_to_string_impl((ast_expression*)(e->expression.params[0]), buf, bufsize, pos);
+            for (i = 1; i < vec_size(e->expression.params); ++i) {
+                if (pos + 2 >= bufsize)
+                    goto full;
+                buf[pos++] = ',';
+                buf[pos++] = ' ';
+                pos = ast_type_to_string_impl((ast_expression*)(e->expression.params[i]), buf, bufsize, pos);
+            }
+            if (pos + 1 >= bufsize)
+                goto full;
+            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);
+            if (pos + typelen >= bufsize)
+                goto full;
+            strcpy(buf + pos, typestr);
+            return pos + typelen;
+    }
+
+full:
+    buf[bufsize-3] = '.';
+    buf[bufsize-2] = '.';
+    buf[bufsize-1] = '.';
+    return bufsize;
+}
+
+void ast_type_to_string(ast_expression *e, char *buf, size_t bufsize)
+{
+    size_t pos = ast_type_to_string_impl(e, buf, bufsize-1, 0);
+    buf[pos] = 0;
 }
 
 ast_value* ast_value_new(lex_ctx ctx, const char *name, int t)
@@ -62,30 +318,28 @@ ast_value* ast_value_new(lex_ctx ctx, const char *name, int t)
     self->expression.node.keep = true; /* keep */
 
     self->name = name ? util_strdup(name) : NULL;
-    self->vtype = t;
-    self->next = NULL;
-    MEM_VECTOR_INIT(self, params);
+    self->expression.vtype = t;
+    self->expression.next  = NULL;
     self->isconst = false;
+    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;
 }
-MEM_VEC_FUNCTIONS(ast_value, ast_value*, params)
 
 void ast_value_delete(ast_value* self)
 {
-    size_t i;
     if (self->name)
         mem_d((void*)self->name);
-    for (i = 0; i < self->params_count; ++i)
-        ast_value_delete(self->params[i]); /* delete, the ast_function is expected to die first */
-    MEM_VECTOR_CLEAR(self, params);
-    if (self->next) /* delete, not unref, types are always copied */
-        ast_delete(self->next);
     if (self->isconst) {
-        switch (self->vtype)
+        switch (self->expression.vtype)
         {
         case TYPE_STRING:
             mem_d((void*)self->constval.vstring);
@@ -101,9 +355,17 @@ void ast_value_delete(ast_value* self)
             break;
         }
     }
+    if (self->ir_values)
+        mem_d(self->ir_values);
+    ast_expression_delete((ast_expression*)self);
     mem_d(self);
 }
 
+void ast_value_params_add(ast_value *self, ast_value *p)
+{
+    vec_push(self->expression.params, p);
+}
+
 bool ast_value_set_name(ast_value *self, const char *name)
 {
     if (self->name)
@@ -122,6 +384,18 @@ ast_binary* ast_binary_new(lex_ctx ctx, int op,
     self->left = left;
     self->right = right;
 
+    if (op >= INSTR_EQ_F && op <= INSTR_GT)
+        self->expression.vtype = TYPE_FLOAT;
+    else if (op == INSTR_AND || op == INSTR_OR ||
+             op == INSTR_BITAND || op == INSTR_BITOR)
+        self->expression.vtype = TYPE_FLOAT;
+    else if (op == INSTR_MUL_VF || op == INSTR_MUL_FV)
+        self->expression.vtype = TYPE_VECTOR;
+    else if (op == INSTR_MUL_V)
+        self->expression.vtype = TYPE_FLOAT;
+    else
+        self->expression.vtype = left->expression.vtype;
+
     return self;
 }
 
@@ -129,190 +403,1844 @@ void ast_binary_delete(ast_binary *self)
 {
     ast_unref(self->left);
     ast_unref(self->right);
+    ast_expression_delete((ast_expression*)self);
     mem_d(self);
 }
 
-ast_store* ast_store_new(lex_ctx ctx, int op,
-                         ast_value *dest, ast_expression *source)
+ast_binstore* ast_binstore_new(lex_ctx ctx, int storop, int op,
+                               ast_expression* left, ast_expression* right)
 {
-    ast_instantiate(ast_store, ctx, ast_store_delete);
-    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_store_codegen);
+    ast_instantiate(ast_binstore, ctx, ast_binstore_delete);
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_binstore_codegen);
 
-    self->op = op;
-    self->dest = dest;
-    self->source = source;
+    self->opstore = storop;
+    self->opbin   = op;
+    self->dest    = left;
+    self->source  = right;
+
+    self->expression.vtype = left->expression.vtype;
+    if (left->expression.next) {
+        self->expression.next = ast_type_copy(ctx, left);
+        if (!self->expression.next) {
+            ast_delete(self);
+            return NULL;
+        }
+    }
+    else
+        self->expression.next = NULL;
 
     return self;
 }
 
-void ast_store_delete(ast_store *self)
+void ast_binstore_delete(ast_binstore *self)
 {
     ast_unref(self->dest);
     ast_unref(self->source);
+    ast_expression_delete((ast_expression*)self);
     mem_d(self);
 }
 
-ast_block* ast_block_new(lex_ctx ctx)
+ast_unary* ast_unary_new(lex_ctx ctx, int op,
+                         ast_expression *expr)
 {
-    ast_instantiate(ast_block, ctx, ast_block_delete);
-    ast_expression_init((ast_expression*)self,
-                        (ast_expression_codegen*)&ast_block_codegen);
+    ast_instantiate(ast_unary, ctx, ast_unary_delete);
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_unary_codegen);
+
+    self->op = op;
+    self->operand = expr;
 
-    MEM_VECTOR_INIT(self, locals);
-    MEM_VECTOR_INIT(self, exprs);
+    if (op >= INSTR_NOT_F && op <= INSTR_NOT_FNC) {
+        self->expression.vtype = TYPE_FLOAT;
+    } else
+        asterror(ctx, "cannot determine type of unary operation %s", asm_instr[op].m);
 
     return self;
 }
-MEM_VEC_FUNCTIONS(ast_block, ast_value*, locals)
-MEM_VEC_FUNCTIONS(ast_block, ast_expression*, exprs)
 
-void ast_block_delete(ast_block *self)
+void ast_unary_delete(ast_unary *self)
 {
-    size_t i;
-    for (i = 0; i < self->exprs_count; ++i)
-        ast_unref(self->exprs[i]);
-    MEM_VECTOR_CLEAR(self, exprs);
-    for (i = 0; i < self->locals_count; ++i)
-        ast_delete(self->locals[i]);
-    MEM_VECTOR_CLEAR(self, locals);
+    ast_unref(self->operand);
+    ast_expression_delete((ast_expression*)self);
     mem_d(self);
 }
 
-ast_function* ast_function_new(lex_ctx ctx, const char *name, ast_value *vtype)
+ast_return* ast_return_new(lex_ctx ctx, ast_expression *expr)
 {
-    ast_instantiate(ast_function, ctx, ast_function_delete);
+    ast_instantiate(ast_return, ctx, ast_return_delete);
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_return_codegen);
 
-    if (!vtype ||
-        vtype->isconst ||
-        vtype->vtype != TYPE_FUNCTION)
-    {
+    self->operand = expr;
+
+    return self;
+}
+
+void ast_return_delete(ast_return *self)
+{
+    if (self->operand)
+        ast_unref(self->operand);
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
+}
+
+ast_entfield* ast_entfield_new(lex_ctx ctx, ast_expression *entity, ast_expression *field)
+{
+    if (field->expression.vtype != TYPE_FIELD) {
+        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);
+
+    if (!outtype) {
         mem_d(self);
+        /* Error: field has no type... */
         return NULL;
     }
 
-    self->vtype = vtype;
-    self->name = name ? util_strdup(name) : NULL;
-    MEM_VECTOR_INIT(self, blocks);
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_entfield_codegen);
 
-    self->ir_func = NULL;
+    self->entity = entity;
+    self->field  = field;
 
-    vtype->isconst = true;
-    vtype->constval.vfunc = self;
+    if (!ast_type_adopt(self, outtype)) {
+        ast_entfield_delete(self);
+        return NULL;
+    }
 
     return self;
 }
 
-MEM_VEC_FUNCTIONS(ast_function, ast_block*, blocks)
-
-void ast_function_delete(ast_function *self)
+void ast_entfield_delete(ast_entfield *self)
 {
-    size_t i;
-    if (self->name)
-        mem_d((void*)self->name);
-    if (self->vtype) {
-        /* ast_value_delete(self->vtype); */
-        self->vtype->isconst = false;
-        self->vtype->constval.vfunc = NULL;
-        /* We use unref - if it was stored in a global table it is supposed
-         * to be deleted from *there*
-         */
-        ast_unref(self->vtype);
-    }
-    for (i = 0; i < self->blocks_count; ++i)
-        ast_delete(self->blocks[i]);
-    MEM_VECTOR_CLEAR(self, blocks);
+    ast_unref(self->entity);
+    ast_unref(self->field);
+    ast_expression_delete((ast_expression*)self);
     mem_d(self);
 }
 
-/*********************************************************************/
-/* AST codegen aprt
- */
+ast_member* ast_member_new(lex_ctx ctx, ast_expression *owner, unsigned int field)
+{
+    ast_instantiate(ast_member, ctx, ast_member_delete);
+    if (field >= 3) {
+        mem_d(self);
+        return NULL;
+    }
+
+    if (owner->expression.vtype != TYPE_VECTOR &&
+        owner->expression.vtype != TYPE_FIELD) {
+        asterror(ctx, "member-access on an invalid owner of type %s", type_name[owner->expression.vtype]);
+        mem_d(self);
+        return NULL;
+    }
+
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_member_codegen);
+    self->expression.node.keep = true; /* keep */
+
+    if (owner->expression.vtype == TYPE_VECTOR) {
+        self->expression.vtype = TYPE_FLOAT;
+        self->expression.next  = NULL;
+    } else {
+        self->expression.vtype = TYPE_FIELD;
+        self->expression.next = ast_shallow_type(ctx, TYPE_FLOAT);
+    }
 
-bool ast_value_codegen(ast_value *self, ast_function *func, ir_value **out)
+    self->owner = owner;
+    self->field = field;
+
+    return self;
+}
+
+void ast_member_delete(ast_member *self)
 {
-    /* NOTE: This is the codegen for a variable used in an expression.
-     * It is not the codegen to generate the value. For this purpose,
-     * ast_local_codegen and ast_global_codegen are to be used before this
-     * is executed. ast_function_codegen should take care of its locals,
-     * and the ast-user should take care of ast_global_codegen to be used
-     * on all the globals.
-     */
-    return false;
+    /* The owner is always an ast_value, which has .keep=true,
+     * also: ast_members are usually deleted after the owner, thus
+     * this will cause invalid access
+    ast_unref(self->owner);
+     * once we allow (expression).x to access a vector-member, we need
+     * to change this: preferably by creating an alternate ast node for this
+     * purpose that is not garbage-collected.
+    */
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
 }
 
-bool ast_global_codegen(ast_value *self, ir_builder *ir)
+ast_array_index* ast_array_index_new(lex_ctx ctx, ast_expression *array, ast_expression *index)
 {
-    ir_value *v = NULL;
-    if (self->isconst && self->vtype == TYPE_FUNCTION)
-    {
-        ir_function *func = ir_builder_create_function(ir, self->name);
-        if (!func)
-            return false;
+    ast_expression *outtype;
+    ast_instantiate(ast_array_index, ctx, ast_array_index_delete);
 
-        self->constval.vfunc->ir_func = func;
-        /* The function is filled later on ast_function_codegen... */
-        return true;
+    outtype = array->expression.next;
+    if (!outtype) {
+        mem_d(self);
+        /* Error: field has no type... */
+        return NULL;
     }
 
-    v = ir_builder_create_global(ir, self->name, self->vtype);
-    if (!v)
-        return false;
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_array_index_codegen);
 
-    if (self->isconst) {
-        switch (self->vtype)
-        {
-            case TYPE_FLOAT:
-                if (!ir_value_set_float(v, self->constval.vfloat))
-                    goto error;
-                break;
-            case TYPE_VECTOR:
-                if (!ir_value_set_vector(v, self->constval.vvec))
-                    goto error;
-                break;
-            case TYPE_STRING:
-                if (!ir_value_set_string(v, self->constval.vstring))
-                    goto error;
-                break;
-            case TYPE_FUNCTION:
-                /* Cannot generate an IR value for a function,
-                 * need a pointer pointing to a function rather.
-                 */
-                goto error;
-            default:
-                printf("TODO: global constant type %i\n", self->vtype);
-                break;
+    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;
     }
 
-    /* link us to the ir_value */
-    self->ir_v = v;
-    return true;
+    return self;
+}
 
-error: /* clean up */
-    ir_value_delete(v);
-    return false;
+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);
 }
 
-bool ast_function_codegen(ast_function *self, ir_builder *ir)
+ast_ifthen* ast_ifthen_new(lex_ctx ctx, ast_expression *cond, ast_expression *ontrue, ast_expression *onfalse)
 {
-    if (!self->ir_func) {
-        printf("ast_function's related ast_value was not generated yet\n");
-        return false;
+    ast_instantiate(ast_ifthen, ctx, ast_ifthen_delete);
+    if (!ontrue && !onfalse) {
+        /* because it is invalid */
+        mem_d(self);
+        return NULL;
     }
-    return false;
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_ifthen_codegen);
+
+    self->cond     = cond;
+    self->on_true  = ontrue;
+    self->on_false = onfalse;
+
+    return self;
 }
 
-bool ast_block_codegen(ast_block *self, ast_function *func, ir_value **out)
+void ast_ifthen_delete(ast_ifthen *self)
 {
-    return false;
+    ast_unref(self->cond);
+    if (self->on_true)
+        ast_unref(self->on_true);
+    if (self->on_false)
+        ast_unref(self->on_false);
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
 }
 
-bool ast_store_codegen(ast_store *self, ast_function *func, ir_value **out)
+ast_ternary* ast_ternary_new(lex_ctx ctx, ast_expression *cond, ast_expression *ontrue, ast_expression *onfalse)
 {
-    return false;
+    ast_instantiate(ast_ternary, ctx, ast_ternary_delete);
+    /* This time NEITHER must be NULL */
+    if (!ontrue || !onfalse) {
+        mem_d(self);
+        return NULL;
+    }
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_ternary_codegen);
+
+    self->cond     = cond;
+    self->on_true  = ontrue;
+    self->on_false = onfalse;
+    self->phi_out  = NULL;
+
+    return self;
+}
+
+void ast_ternary_delete(ast_ternary *self)
+{
+    ast_unref(self->cond);
+    ast_unref(self->on_true);
+    ast_unref(self->on_false);
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
+}
+
+ast_loop* ast_loop_new(lex_ctx ctx,
+                       ast_expression *initexpr,
+                       ast_expression *precond,
+                       ast_expression *postcond,
+                       ast_expression *increment,
+                       ast_expression *body)
+{
+    ast_instantiate(ast_loop, ctx, ast_loop_delete);
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_loop_codegen);
+
+    self->initexpr  = initexpr;
+    self->precond   = precond;
+    self->postcond  = postcond;
+    self->increment = increment;
+    self->body      = body;
+
+    return self;
+}
+
+void ast_loop_delete(ast_loop *self)
+{
+    if (self->initexpr)
+        ast_unref(self->initexpr);
+    if (self->precond)
+        ast_unref(self->precond);
+    if (self->postcond)
+        ast_unref(self->postcond);
+    if (self->increment)
+        ast_unref(self->increment);
+    if (self->body)
+        ast_unref(self->body);
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
 }
 
-bool ast_binary_codegen(ast_binary *self, ast_function *func, ir_value **out)
+ast_call* ast_call_new(lex_ctx ctx,
+                       ast_expression *funcexpr)
 {
+    ast_instantiate(ast_call, ctx, ast_call_delete);
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_call_codegen);
+
+    self->params = NULL;
+    self->func   = funcexpr;
+
+    self->expression.vtype = funcexpr->expression.next->expression.vtype;
+    if (funcexpr->expression.next->expression.next)
+        self->expression.next = ast_type_copy(ctx, funcexpr->expression.next->expression.next);
+
+    return self;
+}
+
+void ast_call_delete(ast_call *self)
+{
+    size_t i;
+    for (i = 0; i < vec_size(self->params); ++i)
+        ast_unref(self->params[i]);
+    vec_free(self->params);
+
+    if (self->func)
+        ast_unref(self->func);
+
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
+}
+
+bool ast_call_check_types(ast_call *self)
+{
+    size_t i;
+    bool   retval = true;
+    const  ast_expression *func = self->func;
+    size_t count = vec_size(self->params);
+    if (count > vec_size(func->expression.params))
+        count = vec_size(func->expression.params);
+
+    for (i = 0; i < count; ++i) {
+        if (!ast_compare_type(self->params[i], (ast_expression*)(func->expression.params[i]))) {
+            asterror(ast_ctx(self), "invalid type for parameter %u in function call",
+                     (unsigned int)(i+1));
+            /* we don't immediately return */
+            retval = false;
+        }
+    }
+    return retval;
+}
+
+ast_store* ast_store_new(lex_ctx ctx, int op,
+                         ast_expression *dest, ast_expression *source)
+{
+    ast_instantiate(ast_store, ctx, ast_store_delete);
+    ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_store_codegen);
+
+    self->op = op;
+    self->dest = dest;
+    self->source = source;
+
+    self->expression.vtype = dest->expression.vtype;
+    if (dest->expression.next) {
+        self->expression.next = ast_type_copy(ctx, dest);
+        if (!self->expression.next) {
+            ast_delete(self);
+            return NULL;
+        }
+    }
+    else
+        self->expression.next = NULL;
+
+    return self;
+}
+
+void ast_store_delete(ast_store *self)
+{
+    ast_unref(self->dest);
+    ast_unref(self->source);
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
+}
+
+ast_block* ast_block_new(lex_ctx ctx)
+{
+    ast_instantiate(ast_block, ctx, ast_block_delete);
+    ast_expression_init((ast_expression*)self,
+                        (ast_expression_codegen*)&ast_block_codegen);
+
+    self->locals  = NULL;
+    self->exprs   = NULL;
+    self->collect = NULL;
+
+    return self;
+}
+
+void ast_block_collect(ast_block *self, ast_expression *expr)
+{
+    vec_push(self->collect, expr);
+    expr->expression.node.keep = true;
+}
+
+void ast_block_delete(ast_block *self)
+{
+    size_t i;
+    for (i = 0; i < vec_size(self->exprs); ++i)
+        ast_unref(self->exprs[i]);
+    vec_free(self->exprs);
+    for (i = 0; i < vec_size(self->locals); ++i)
+        ast_delete(self->locals[i]);
+    vec_free(self->locals);
+    for (i = 0; i < vec_size(self->collect); ++i)
+        ast_delete(self->collect[i]);
+    vec_free(self->collect);
+    ast_expression_delete((ast_expression*)self);
+    mem_d(self);
+}
+
+bool ast_block_set_type(ast_block *self, ast_expression *from)
+{
+    if (self->expression.next)
+        ast_delete(self->expression.next);
+    self->expression.vtype = from->expression.vtype;
+    if (from->expression.next) {
+        self->expression.next = ast_type_copy(self->expression.node.context, from->expression.next);
+        if (!self->expression.next)
+            return false;
+    }
+    else
+        self->expression.next = NULL;
+    return true;
+}
+
+ast_function* ast_function_new(lex_ctx ctx, const char *name, ast_value *vtype)
+{
+    ast_instantiate(ast_function, ctx, ast_function_delete);
+
+    if (!vtype ||
+        vtype->isconst ||
+        vtype->expression.vtype != TYPE_FUNCTION)
+    {
+        mem_d(self);
+        return NULL;
+    }
+
+    self->vtype  = vtype;
+    self->name   = name ? util_strdup(name) : NULL;
+    self->blocks = NULL;
+
+    self->labelcount = 0;
+    self->builtin = 0;
+
+    self->ir_func = NULL;
+    self->curblock = NULL;
+
+    self->breakblock    = NULL;
+    self->continueblock = NULL;
+
+    vtype->isconst = true;
+    vtype->constval.vfunc = self;
+
+    return self;
+}
+
+void ast_function_delete(ast_function *self)
+{
+    size_t i;
+    if (self->name)
+        mem_d((void*)self->name);
+    if (self->vtype) {
+        /* ast_value_delete(self->vtype); */
+        self->vtype->isconst = false;
+        self->vtype->constval.vfunc = NULL;
+        /* We use unref - if it was stored in a global table it is supposed
+         * to be deleted from *there*
+         */
+        ast_unref(self->vtype);
+    }
+    for (i = 0; i < vec_size(self->blocks); ++i)
+        ast_delete(self->blocks[i]);
+    vec_free(self->blocks);
+    mem_d(self);
+}
+
+const char* ast_function_label(ast_function *self, const char *prefix)
+{
+    size_t id;
+    size_t len;
+    char  *from;
+
+    if (!opts_dump)
+        return NULL;
+
+    id  = (self->labelcount++);
+    len = strlen(prefix);
+
+    from = self->labelbuf + sizeof(self->labelbuf)-1;
+    *from-- = 0;
+    do {
+        unsigned int digit = id % 10;
+        *from = digit + '0';
+        id /= 10;
+    } while (id);
+    memcpy(from - len, prefix, len);
+    return from - len;
+}
+
+/*********************************************************************/
+/* AST codegen part
+ * by convention you must never pass NULL to the 'ir_value **out'
+ * parameter. If you really don't care about the output, pass a dummy.
+ * But I can't imagine a pituation where the output is truly unnecessary.
+ */
+
+bool ast_value_codegen(ast_value *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    /* NOTE: This is the codegen for a variable used in an expression.
+     * It is not the codegen to generate the value. For this purpose,
+     * ast_local_codegen and ast_global_codegen are to be used before this
+     * is executed. ast_function_codegen should take care of its locals,
+     * and the ast-user should take care of ast_global_codegen to be used
+     * on all the globals.
+     */
+    if (!self->ir_v) {
+        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;
+    return true;
+}
+
+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 (!func)
+            return false;
+        func->context = ast_ctx(self);
+        func->value->context = ast_ctx(self);
+
+        self->constval.vfunc->ir_func = func;
+        self->ir_v = func->value;
+        /* The function is filled later on ast_function_codegen... */
+        return true;
+    }
+
+    if (isfield && self->expression.vtype == TYPE_FIELD) {
+        ast_expression *fieldtype = self->expression.next;
+
+        if (self->isconst) {
+            asterror(ast_ctx(self), "TODO: constant field pointers with value");
+            goto error;
+        }
+
+        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;
+    }
+
+    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);
+    }
+
+    if (self->isconst) {
+        switch (self->expression.vtype)
+        {
+            case TYPE_FLOAT:
+                if (!ir_value_set_float(v, self->constval.vfloat))
+                    goto error;
+                break;
+            case TYPE_VECTOR:
+                if (!ir_value_set_vector(v, self->constval.vvec))
+                    goto error;
+                break;
+            case TYPE_STRING:
+                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;
+                /* Cannot generate an IR value for a function,
+                 * need a pointer pointing to a function rather.
+                 */
+            default:
+                asterror(ast_ctx(self), "TODO: global constant type %i", self->expression.vtype);
+                break;
+        }
+    }
+
+    /* link us to the ir_value */
+    self->ir_v = v;
+    return true;
+
+error: /* clean up */
+    ir_value_delete(v);
+    return false;
+}
+
+bool ast_local_codegen(ast_value *self, ir_function *func, bool param)
+{
+    ir_value *v = NULL;
+    if (self->isconst && self->expression.vtype == TYPE_FUNCTION)
+    {
+        /* Do we allow local functions? I think not...
+         * this is NOT a function pointer atm.
+         */
+        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;
+
+        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
+     */
+    if (self->isconst) {
+        switch (self->expression.vtype)
+        {
+            case TYPE_FLOAT:
+                if (!ir_value_set_float(v, self->constval.vfloat))
+                    goto error;
+                break;
+            case TYPE_VECTOR:
+                if (!ir_value_set_vector(v, self->constval.vvec))
+                    goto error;
+                break;
+            case TYPE_STRING:
+                if (!ir_value_set_string(v, self->constval.vstring))
+                    goto error;
+                break;
+            default:
+                asterror(ast_ctx(self), "TODO: global constant type %i", self->expression.vtype);
+                break;
+        }
+    }
+
+    /* 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 */
+    ir_value_delete(v);
+    return false;
+}
+
+bool ast_function_codegen(ast_function *self, ir_builder *ir)
+{
+    ir_function *irf;
+    ir_value    *dummy;
+    ast_expression_common *ec;
+    size_t    i;
+
+    irf = self->ir_func;
+    if (!irf) {
+        asterror(ast_ctx(self), "ast_function's related ast_value was not generated yet");
+        return false;
+    }
+
+    /* fill the parameter list */
+    ec = &self->vtype->expression;
+    irf->max_parameters = vec_size(ec->params);
+    for (i = 0; i < vec_size(ec->params); ++i)
+    {
+        vec_push(irf->params, ec->params[i]->expression.vtype);
+        if (!self->builtin) {
+            if (!ast_local_codegen(ec->params[i], self->ir_func, true))
+                return false;
+        }
+    }
+
+    if (self->builtin) {
+        irf->builtin = self->builtin;
+        return true;
+    }
+
+    if (!vec_size(self->blocks)) {
+        asterror(ast_ctx(self), "function `%s` has no body", self->name);
+        return false;
+    }
+
+    self->curblock = ir_function_create_block(irf, "entry");
+    if (!self->curblock) {
+        asterror(ast_ctx(self), "failed to allocate entry block for `%s`", self->name);
+        return false;
+    }
+
+    for (i = 0; i < vec_size(self->blocks); ++i) {
+        ast_expression_codegen *gen = self->blocks[i]->expression.codegen;
+        if (!(*gen)((ast_expression*)self->blocks[i], self, false, &dummy))
+            return false;
+    }
+
+    /* TODO: check return types */
+    if (!self->curblock->is_return)
+    {
+        return ir_block_create_return(self->curblock, NULL);
+        /* From now on the parser has to handle this situation */
+#if 0
+        if (!self->vtype->expression.next ||
+            self->vtype->expression.next->expression.vtype == TYPE_VOID)
+        {
+            return ir_block_create_return(self->curblock, NULL);
+        }
+        else
+        {
+            /* error("missing return"); */
+            asterror(ast_ctx(self), "function `%s` missing return value", self->name);
+            return false;
+        }
+#endif
+    }
+    return true;
+}
+
+/* Note, you will not see ast_block_codegen generate ir_blocks.
+ * To the AST and the IR, blocks are 2 different things.
+ * In the AST it represents a block of code, usually enclosed in
+ * curly braces {...}.
+ * While in the IR it represents a block in terms of control-flow.
+ */
+bool ast_block_codegen(ast_block *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    size_t i;
+
+    /* We don't use this
+     * Note: an ast-representation using the comma-operator
+     * of the form: (a, b, c) = x should not assign to c...
+     */
+    if (lvalue) {
+        asterror(ast_ctx(self), "not an l-value (code-block)");
+        return false;
+    }
+
+    if (self->expression.outr) {
+        *out = self->expression.outr;
+        return true;
+    }
+
+    /* output is NULL at first, we'll have each expression
+     * assign to out output, thus, a comma-operator represention
+     * using an ast_block will return the last generated value,
+     * so: (b, c) + a  executed both b and c, and returns c,
+     * which is then added to a.
+     */
+    *out = NULL;
+
+    /* generate locals */
+    for (i = 0; i < vec_size(self->locals); ++i)
+    {
+        if (!ast_local_codegen(self->locals[i], func->ir_func, false)) {
+            if (opts_debug)
+                asterror(ast_ctx(self), "failed to generate local `%s`", self->locals[i]->name);
+            return false;
+        }
+    }
+
+    for (i = 0; i < vec_size(self->exprs); ++i)
+    {
+        ast_expression_codegen *gen = self->exprs[i]->expression.codegen;
+        if (!(*gen)(self->exprs[i], func, false, out))
+            return false;
+    }
+
+    self->expression.outr = *out;
+
+    return true;
+}
+
+bool ast_store_codegen(ast_store *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    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;
+    }
+
+    if (!lvalue && self->expression.outr) {
+        *out = self->expression.outr;
+        return true;
+    }
+
+    if (ast_istype(self->dest, ast_array_index))
+    {
+
+        ai = (ast_array_index*)self->dest;
+        idx = (ast_value*)ai->index;
+
+        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;
+        ir_call_param(call, iridx);
+        ir_call_param(call, right);
+        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
+     * the right side as an rvalue, otherwise we have to
+     * somehow know whether or not we need to dereference the pointer
+     * on the left side - that is: OP_LOAD if it was an address.
+     * Also: in original QC we cannot OP_LOADP *anyway*.
+     */
+    *out = (lvalue ? left : right);
+
+    return true;
+}
+
+bool ast_binary_codegen(ast_binary *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+    ir_value *left, *right;
+
+    /* A binary operation cannot yield an l-value */
+    if (lvalue) {
+        asterror(ast_ctx(self), "not an l-value (binop)");
+        return false;
+    }
+
+    if (self->expression.outr) {
+        *out = self->expression.outr;
+        return true;
+    }
+
+    cgen = self->left->expression.codegen;
+    /* lvalue! */
+    if (!(*cgen)((ast_expression*)(self->left), func, false, &left))
+        return false;
+
+    cgen = self->right->expression.codegen;
+    /* rvalue! */
+    if (!(*cgen)((ast_expression*)(self->right), func, false, &right))
+        return false;
+
+    *out = ir_block_create_binop(func->curblock, ast_function_label(func, "bin"),
+                                 self->op, left, right);
+    if (!*out)
+        return false;
+    self->expression.outr = *out;
+
+    return true;
+}
+
+bool ast_binstore_codegen(ast_binstore *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+    ir_value *leftl, *leftr, *right, *bin;
+
+    if (lvalue && self->expression.outl) {
+        *out = self->expression.outl;
+        return true;
+    }
+
+    if (!lvalue && self->expression.outr) {
+        *out = self->expression.outr;
+        return true;
+    }
+
+    /* for a binstore we need both an lvalue and an rvalue for the left side */
+    /* rvalue of destination! */
+    cgen = self->dest->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->dest), func, false, &leftr))
+        return false;
+
+    /* source as rvalue only */
+    cgen = self->source->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->source), func, false, &right))
+        return false;
+
+    /* now the binary */
+    bin = ir_block_create_binop(func->curblock, ast_function_label(func, "binst"),
+                                self->opbin, leftr, right);
+    self->expression.outr = bin;
+
+    /* now store them */
+    cgen = self->dest->expression.codegen;
+    /* lvalue of destination */
+    if (!(*cgen)((ast_expression*)(self->dest), func, true, &leftl))
+        return false;
+    self->expression.outl = leftl;
+
+    if (!ir_block_create_store_op(func->curblock, self->opstore, leftl, bin))
+        return false;
+    self->expression.outr = bin;
+
+    /* Theoretically, an assinment returns its left side as an
+     * lvalue, if we don't need an lvalue though, we return
+     * the right side as an rvalue, otherwise we have to
+     * somehow know whether or not we need to dereference the pointer
+     * on the left side - that is: OP_LOAD if it was an address.
+     * Also: in original QC we cannot OP_LOADP *anyway*.
+     */
+    *out = (lvalue ? leftl : bin);
+
+    return true;
+}
+
+bool ast_unary_codegen(ast_unary *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+    ir_value *operand;
+
+    /* An unary operation cannot yield an l-value */
+    if (lvalue) {
+        asterror(ast_ctx(self), "not an l-value (binop)");
+        return false;
+    }
+
+    if (self->expression.outr) {
+        *out = self->expression.outr;
+        return true;
+    }
+
+    cgen = self->operand->expression.codegen;
+    /* lvalue! */
+    if (!(*cgen)((ast_expression*)(self->operand), func, false, &operand))
+        return false;
+
+    *out = ir_block_create_unary(func->curblock, ast_function_label(func, "unary"),
+                                 self->op, operand);
+    if (!*out)
+        return false;
+    self->expression.outr = *out;
+
+    return true;
+}
+
+bool ast_return_codegen(ast_return *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+    ir_value *operand;
+
+    /* In the context of a return operation, we don't actually return
+     * anything...
+     */
+    if (lvalue) {
+        asterror(ast_ctx(self), "return-expression is not an l-value");
+        return false;
+    }
+
+    if (self->expression.outr) {
+        asterror(ast_ctx(self), "internal error: ast_return cannot be reused, it bears no result!");
+        return false;
+    }
+    self->expression.outr = (ir_value*)1;
+
+    if (self->operand) {
+        cgen = self->operand->expression.codegen;
+        /* lvalue! */
+        if (!(*cgen)((ast_expression*)(self->operand), func, false, &operand))
+            return false;
+
+        if (!ir_block_create_return(func->curblock, operand))
+            return false;
+    } else {
+        if (!ir_block_create_return(func->curblock, NULL))
+            return false;
+    }
+
+    return true;
+}
+
+bool ast_entfield_codegen(ast_entfield *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+    ir_value *ent, *field;
+
+    /* This function needs to take the 'lvalue' flag into account!
+     * As lvalue we provide a field-pointer, as rvalue we provide the
+     * value in a temp.
+     */
+
+    if (lvalue && self->expression.outl) {
+        *out = self->expression.outl;
+        return true;
+    }
+
+    if (!lvalue && self->expression.outr) {
+        *out = self->expression.outr;
+        return true;
+    }
+
+    cgen = self->entity->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->entity), func, false, &ent))
+        return false;
+
+    cgen = self->field->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->field), func, false, &field))
+        return false;
+
+    if (lvalue) {
+        /* address! */
+        *out = ir_block_create_fieldaddress(func->curblock, ast_function_label(func, "efa"),
+                                            ent, field);
+    } else {
+        *out = ir_block_create_load_from_ent(func->curblock, ast_function_label(func, "efv"),
+                                             ent, field, self->expression.vtype);
+    }
+    if (!*out) {
+        asterror(ast_ctx(self), "failed to create %s instruction (output type %s)",
+                 (lvalue ? "ADDRESS" : "FIELD"),
+                 type_name[self->expression.vtype]);
+        return false;
+    }
+
+    if (lvalue)
+        self->expression.outl = *out;
+    else
+        self->expression.outr = *out;
+
+    /* Hm that should be it... */
+    return true;
+}
+
+bool ast_member_codegen(ast_member *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+    ir_value *vec;
+
+    /* in QC this is always an lvalue */
+    (void)lvalue;
+    if (self->expression.outl) {
+        *out = self->expression.outl;
+        return true;
+    }
+
+    cgen = self->owner->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->owner), func, true, &vec))
+        return false;
+
+    if (vec->vtype != TYPE_VECTOR &&
+        !(vec->vtype == TYPE_FIELD && self->owner->expression.next->expression.vtype == TYPE_VECTOR))
+    {
+        return false;
+    }
+
+    *out = ir_value_vector_member(vec, self->field);
+    self->expression.outl = *out;
+
+    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;
+        ir_call_param(call, iridx);
+
+        *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;
+
+    ir_value *condval;
+    ir_value *dummy;
+
+    ir_block *cond = func->curblock;
+    ir_block *ontrue;
+    ir_block *onfalse;
+    ir_block *ontrue_endblock = NULL;
+    ir_block *onfalse_endblock = NULL;
+    ir_block *merge;
+
+    /* We don't output any value, thus also don't care about r/lvalue */
+    (void)out;
+    (void)lvalue;
+
+    if (self->expression.outr) {
+        asterror(ast_ctx(self), "internal error: ast_ifthen cannot be reused, it bears no result!");
+        return false;
+    }
+    self->expression.outr = (ir_value*)1;
+
+    /* generate the condition */
+    func->curblock = cond;
+    cgen = self->cond->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->cond), func, false, &condval))
+        return false;
+
+    /* on-true path */
+
+    if (self->on_true) {
+        /* create on-true block */
+        ontrue = ir_function_create_block(func->ir_func, ast_function_label(func, "ontrue"));
+        if (!ontrue)
+            return false;
+
+        /* enter the block */
+        func->curblock = ontrue;
+
+        /* generate */
+        cgen = self->on_true->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->on_true), func, false, &dummy))
+            return false;
+
+        /* we now need to work from the current endpoint */
+        ontrue_endblock = func->curblock;
+    } else
+        ontrue = NULL;
+
+    /* on-false path */
+    if (self->on_false) {
+        /* create on-false block */
+        onfalse = ir_function_create_block(func->ir_func, ast_function_label(func, "onfalse"));
+        if (!onfalse)
+            return false;
+
+        /* enter the block */
+        func->curblock = onfalse;
+
+        /* generate */
+        cgen = self->on_false->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->on_false), func, false, &dummy))
+            return false;
+
+        /* we now need to work from the current endpoint */
+        onfalse_endblock = func->curblock;
+    } else
+        onfalse = NULL;
+
+    /* Merge block were they all merge in to */
+    merge = ir_function_create_block(func->ir_func, ast_function_label(func, "endif"));
+    if (!merge)
+        return false;
+
+    /* add jumps ot the merge block */
+    if (ontrue && !ontrue_endblock->final && !ir_block_create_jump(ontrue_endblock, merge))
+        return false;
+    if (onfalse && !onfalse_endblock->final && !ir_block_create_jump(onfalse_endblock, merge))
+        return false;
+
+    /* we create the if here, that way all blocks are ordered :)
+     */
+    if (!ir_block_create_if(cond, condval,
+                            (ontrue  ? ontrue  : merge),
+                            (onfalse ? onfalse : merge)))
+    {
+        return false;
+    }
+
+    /* Now enter the merge block */
+    func->curblock = merge;
+
+    return true;
+}
+
+bool ast_ternary_codegen(ast_ternary *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+
+    ir_value *condval;
+    ir_value *trueval, *falseval;
+    ir_instr *phi;
+
+    ir_block *cond = func->curblock;
+    ir_block *ontrue;
+    ir_block *onfalse;
+    ir_block *merge;
+
+    /* Ternary can never create an lvalue... */
+    if (lvalue)
+        return false;
+
+    /* In theory it shouldn't be possible to pass through a node twice, but
+     * in case we add any kind of optimization pass for the AST itself, it
+     * may still happen, thus we remember a created ir_value and simply return one
+     * if it already exists.
+     */
+    if (self->phi_out) {
+        *out = self->phi_out;
+        return true;
+    }
+
+    /* In the following, contraty to ast_ifthen, we assume both paths exist. */
+
+    /* generate the condition */
+    func->curblock = cond;
+    cgen = self->cond->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->cond), func, false, &condval))
+        return false;
+
+    /* create on-true block */
+    ontrue = ir_function_create_block(func->ir_func, ast_function_label(func, "tern_T"));
+    if (!ontrue)
+        return false;
+    else
+    {
+        /* enter the block */
+        func->curblock = ontrue;
+
+        /* generate */
+        cgen = self->on_true->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->on_true), func, false, &trueval))
+            return false;
+    }
+
+    /* create on-false block */
+    onfalse = ir_function_create_block(func->ir_func, ast_function_label(func, "tern_F"));
+    if (!onfalse)
+        return false;
+    else
+    {
+        /* enter the block */
+        func->curblock = onfalse;
+
+        /* generate */
+        cgen = self->on_false->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->on_false), func, false, &falseval))
+            return false;
+    }
+
+    /* create merge block */
+    merge = ir_function_create_block(func->ir_func, ast_function_label(func, "tern_out"));
+    if (!merge)
+        return false;
+    /* jump to merge block */
+    if (!ir_block_create_jump(ontrue, merge))
+        return false;
+    if (!ir_block_create_jump(onfalse, merge))
+        return false;
+
+    /* create if instruction */
+    if (!ir_block_create_if(cond, condval, ontrue, onfalse))
+        return false;
+
+    /* Now enter the merge block */
+    func->curblock = merge;
+
+    /* Here, now, we need a PHI node
+     * but first some sanity checking...
+     */
+    if (trueval->vtype != falseval->vtype) {
+        /* error("ternary with different types on the two sides"); */
+        return false;
+    }
+
+    /* create PHI */
+    phi = ir_block_create_phi(merge, ast_function_label(func, "phi"), trueval->vtype);
+    if (!phi)
+        return false;
+    ir_phi_add(phi, ontrue,  trueval);
+    ir_phi_add(phi, onfalse, falseval);
+
+    self->phi_out = ir_phi_value(phi);
+    *out = self->phi_out;
+
+    return true;
+}
+
+bool ast_loop_codegen(ast_loop *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+
+    ir_value *dummy      = NULL;
+    ir_value *precond    = NULL;
+    ir_value *postcond   = NULL;
+
+    /* Since we insert some jumps "late" so we have blocks
+     * ordered "nicely", we need to keep track of the actual end-blocks
+     * of expressions to add the jumps to.
+     */
+    ir_block *bbody      = NULL, *end_bbody      = NULL;
+    ir_block *bprecond   = NULL, *end_bprecond   = NULL;
+    ir_block *bpostcond  = NULL, *end_bpostcond  = NULL;
+    ir_block *bincrement = NULL, *end_bincrement = NULL;
+    ir_block *bout       = NULL, *bin            = NULL;
+
+    /* let's at least move the outgoing block to the end */
+    size_t    bout_id;
+
+    /* 'break' and 'continue' need to be able to find the right blocks */
+    ir_block *bcontinue     = NULL;
+    ir_block *bbreak        = NULL;
+
+    ir_block *old_bcontinue = NULL;
+    ir_block *old_bbreak    = NULL;
+
+    ir_block *tmpblock      = NULL;
+
+    (void)lvalue;
+    (void)out;
+
+    if (self->expression.outr) {
+        asterror(ast_ctx(self), "internal error: ast_loop cannot be reused, it bears no result!");
+        return false;
+    }
+    self->expression.outr = (ir_value*)1;
+
+    /* NOTE:
+     * Should we ever need some kind of block ordering, better make this function
+     * move blocks around than write a block ordering algorithm later... after all
+     * the ast and ir should work together, not against each other.
+     */
+
+    /* initexpr doesn't get its own block, it's pointless, it could create more blocks
+     * anyway if for example it contains a ternary.
+     */
+    if (self->initexpr)
+    {
+        cgen = self->initexpr->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->initexpr), func, false, &dummy))
+            return false;
+    }
+
+    /* Store the block from which we enter this chaos */
+    bin = func->curblock;
+
+    /* The pre-loop condition needs its own block since we
+     * need to be able to jump to the start of that expression.
+     */
+    if (self->precond)
+    {
+        bprecond = ir_function_create_block(func->ir_func, ast_function_label(func, "pre_loop_cond"));
+        if (!bprecond)
+            return false;
+
+        /* the pre-loop-condition the least important place to 'continue' at */
+        bcontinue = bprecond;
+
+        /* enter */
+        func->curblock = bprecond;
+
+        /* generate */
+        cgen = self->precond->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->precond), func, false, &precond))
+            return false;
+
+        end_bprecond = func->curblock;
+    } else {
+        bprecond = end_bprecond = NULL;
+    }
+
+    /* Now the next blocks won't be ordered nicely, but we need to
+     * generate them this early for 'break' and 'continue'.
+     */
+    if (self->increment) {
+        bincrement = ir_function_create_block(func->ir_func, ast_function_label(func, "loop_increment"));
+        if (!bincrement)
+            return false;
+        bcontinue = bincrement; /* increment comes before the pre-loop-condition */
+    } else {
+        bincrement = end_bincrement = NULL;
+    }
+
+    if (self->postcond) {
+        bpostcond = ir_function_create_block(func->ir_func, ast_function_label(func, "post_loop_cond"));
+        if (!bpostcond)
+            return false;
+        bcontinue = bpostcond; /* postcond comes before the increment */
+    } else {
+        bpostcond = end_bpostcond = NULL;
+    }
+
+    bout_id = vec_size(func->ir_func->blocks);
+    bout = ir_function_create_block(func->ir_func, ast_function_label(func, "after_loop"));
+    if (!bout)
+        return false;
+    bbreak = bout;
+
+    /* The loop body... */
+    if (self->body)
+    {
+        bbody = ir_function_create_block(func->ir_func, ast_function_label(func, "loop_body"));
+        if (!bbody)
+            return false;
+
+        /* enter */
+        func->curblock = bbody;
+
+        old_bbreak          = func->breakblock;
+        old_bcontinue       = func->continueblock;
+        func->breakblock    = bbreak;
+        func->continueblock = bcontinue;
+
+        /* generate */
+        cgen = self->body->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->body), func, false, &dummy))
+            return false;
+
+        end_bbody = func->curblock;
+        func->breakblock    = old_bbreak;
+        func->continueblock = old_bcontinue;
+    }
+
+    /* post-loop-condition */
+    if (self->postcond)
+    {
+        /* enter */
+        func->curblock = bpostcond;
+
+        /* generate */
+        cgen = self->postcond->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->postcond), func, false, &postcond))
+            return false;
+
+        end_bpostcond = func->curblock;
+    }
+
+    /* The incrementor */
+    if (self->increment)
+    {
+        /* enter */
+        func->curblock = bincrement;
+
+        /* generate */
+        cgen = self->increment->expression.codegen;
+        if (!(*cgen)((ast_expression*)(self->increment), func, false, &dummy))
+            return false;
+
+        end_bincrement = func->curblock;
+    }
+
+    /* In any case now, we continue from the outgoing block */
+    func->curblock = bout;
+
+    /* Now all blocks are in place */
+    /* From 'bin' we jump to whatever comes first */
+    if      (bprecond)   tmpblock = bprecond;
+    else if (bbody)      tmpblock = bbody;
+    else if (bpostcond)  tmpblock = bpostcond;
+    else                 tmpblock = bout;
+    if (!ir_block_create_jump(bin, tmpblock))
+        return false;
+
+    /* From precond */
+    if (bprecond)
+    {
+        ir_block *ontrue, *onfalse;
+        if      (bbody)      ontrue = bbody;
+        else if (bincrement) ontrue = bincrement;
+        else if (bpostcond)  ontrue = bpostcond;
+        else                 ontrue = bprecond;
+        onfalse = bout;
+        if (!ir_block_create_if(end_bprecond, precond, ontrue, onfalse))
+            return false;
+    }
+
+    /* from body */
+    if (bbody)
+    {
+        if      (bincrement) tmpblock = bincrement;
+        else if (bpostcond)  tmpblock = bpostcond;
+        else if (bprecond)   tmpblock = bprecond;
+        else                 tmpblock = bout;
+        if (!end_bbody->final && !ir_block_create_jump(end_bbody, tmpblock))
+            return false;
+    }
+
+    /* from increment */
+    if (bincrement)
+    {
+        if      (bpostcond)  tmpblock = bpostcond;
+        else if (bprecond)   tmpblock = bprecond;
+        else if (bbody)      tmpblock = bbody;
+        else                 tmpblock = bout;
+        if (!ir_block_create_jump(end_bincrement, tmpblock))
+            return false;
+    }
+
+    /* from postcond */
+    if (bpostcond)
+    {
+        ir_block *ontrue, *onfalse;
+        if      (bprecond)   ontrue = bprecond;
+        else if (bbody)      ontrue = bbody;
+        else if (bincrement) ontrue = bincrement;
+        else                 ontrue = bpostcond;
+        onfalse = bout;
+        if (!ir_block_create_if(end_bpostcond, postcond, ontrue, onfalse))
+            return false;
+    }
+
+    /* Move 'bout' to the end */
+    vec_remove(func->ir_func->blocks, bout_id, 1);
+    vec_push(func->ir_func->blocks, bout);
+
+    return true;
+}
+
+bool ast_call_codegen(ast_call *self, ast_function *func, bool lvalue, ir_value **out)
+{
+    ast_expression_codegen *cgen;
+    ir_value              **params;
+    ir_instr               *callinstr;
+    size_t i;
+
+    ir_value *funval = NULL;
+
+    /* return values are never lvalues */
+    if (lvalue) {
+        asterror(ast_ctx(self), "not an l-value (function call)");
+        return false;
+    }
+
+    if (self->expression.outr) {
+        *out = self->expression.outr;
+        return true;
+    }
+
+    cgen = self->func->expression.codegen;
+    if (!(*cgen)((ast_expression*)(self->func), func, false, &funval))
+        return false;
+    if (!funval)
+        return false;
+
+    params = NULL;
+
+    /* parameters */
+    for (i = 0; i < vec_size(self->params); ++i)
+    {
+        ir_value *param;
+        ast_expression *expr = self->params[i];
+
+        cgen = expr->expression.codegen;
+        if (!(*cgen)(expr, func, false, &param))
+            goto error;
+        if (!param)
+            goto error;
+        vec_push(params, param);
+    }
+
+    callinstr = ir_block_create_call(func->curblock, ast_function_label(func, "call"), funval);
+    if (!callinstr)
+        goto error;
+
+    for (i = 0; i < vec_size(params); ++i) {
+        ir_call_param(callinstr, params[i]);
+    }
+
+    *out = ir_call_value(callinstr);
+    self->expression.outr = *out;
+
+    vec_free(params);
+    return true;
+error:
+    vec_free(params);
     return false;
 }