+/*
+ * Copyright (C) 2012
+ * Wolfgang Bumiller
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include "gmqcc.h"
#include "ast.h"
#define ast_setfunc(me, fn, what) ( *(void**)&((me)->fn) = what )
{
self->node.context = ctx;
self->node.destroy = &_ast_node_destroy;
+ self->node.keep = false;
}
/* General expression initialization */
ast_setfunc(&self->expression, codegen, codegen);
}
-ast_value* ast_value_new(lex_ctx_t ctx, const char *name, qc_type_t t)
+ast_value* ast_value_new(lex_ctx_t ctx, const char *name, int t, bool keep)
{
ast_instantiate(ast_value, ctx, ast_value_delete);
ast_expression_init((ast_expression*)self,
(ast_expression_codegen*)&ast_value_codegen);
+ self->expression.node.keep = keep;
self->name = name ? util_strdup(name) : NULL;
self->vtype = t;
self->next = NULL;
MEM_VECTOR_INIT(self, params);
- self->has_constval = false;
- memset(&self->cvalue, 0, sizeof(self->cvalue));
+ self->isconst = false;
+ memset(&self->constval, 0, sizeof(self->constval));
self->ir_v = NULL;
if (self->name)
mem_d((void*)self->name);
for (i = 0; i < self->params_count; ++i)
- ast_delete(self->params[i]);
+ ast_unref(self->params[i]);
MEM_VECTOR_CLEAR(self, params);
- if (self->next)
+ if (self->next) /* delete, not unref, types are always copied */
ast_delete(self->next);
- if (self->has_constval) {
+ if (self->isconst) {
switch (self->vtype)
{
case qc_string:
- mem_d((void*)self->cvalue.vstring);
+ mem_d((void*)self->constval.vstring);
break;
/* NOTE: delete function? currently collected in
* the parser structure
mem_d(self);
}
-void ast_value_set_name(ast_value *self, const char *name)
+bool ast_value_set_name(ast_value *self, const char *name)
{
if (self->name)
mem_d((void*)self->name);
self->name = util_strdup(name);
+ return !!self->name;
}
-ast_binary* ast_binary_new(lex_ctx_t ctx, qc_op_t op,
+ast_binary* ast_binary_new(lex_ctx_t ctx, int op,
ast_value* left, ast_value* right)
{
ast_instantiate(ast_binary, ctx, ast_binary_delete);
- ast_expression_init((ast_expression*)self, (ast_expression_codegen*)codegen);
+ ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_binary_codegen);
self->op = op;
self->left = left;
void ast_binary_delete(ast_binary *self)
{
+ ast_unref(self->left);
+ ast_unref(self->right);
+ mem_d(self);
+}
+
+ast_store* ast_store_new(lex_ctx_t ctx, int op,
+ ast_value *dest, ast_value *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;
+
+ return self;
+}
+
+void ast_store_delete(ast_store *self)
+{
+ ast_unref(self->dest);
+ ast_unref(self->source);
mem_d(self);
}
ast_delete(self->locals[i]);
MEM_VECTOR_CLEAR(self, locals);
for (i = 0; i < self->exprs_count; ++i)
- ast_delete(self->exprs[i]);
+ ast_unref(self->exprs[i]);
MEM_VECTOR_CLEAR(self, exprs);
mem_d(self);
}
/* AST codegen aprt
*/
-static qbool ast_value_gen_global(ir_builder *ir, ast_value *self, ir_value **out)
-{
- ir_value *v;
- *out = NULL;
-
- /* Generate functions */
- if (self->vtype == qc_function && self->has_constval)
- {
- /* Without has_constval it would be invalid... function pointers actually have
- * type qc_pointer and next with type qc_function
- */
- ast_function *func = self->cvalue.vfunc;
- (void)func;
- if (!ast_function_codegen(func, ir))
- return false;
-
- /* Here we do return NULL anyway */
- return true;
- }
- else if (self->vtype == qc_function && !self->has_constval) {
- fprintf(stderr,
- "!v->has_constval <- qc_function body missing - FIXME: remove when implementing prototypes\n");
- fprintf(stderr, "Value: %s\n", self->_name);
- abort();
- }
-
- v = ir_builder_create_global(ir, self->_name, self->vtype);
- self->ir_v = v;
-
- *out = v;
- return true;
-}
-
-qbool ast_value_codegen(ast_value *self, ast_function *func, ir_value **out)
+/* Some dummies so it compiles... */
+bool ast_value_codegen(ast_value *self, ast_function *func, ir_value **out)
{
- if (!func)
- return ast_value_gen_global(parser.ir, self, out);
return false;
}
-qbool ast_function_codegen(ast_function *self, ir_builder *builder)
+bool ast_block_codegen(ast_block *self, ast_function *func, ir_value **out)
{
- size_t i;
- for (i = 0; i < self->blocks_count; ++i)
- {
- ast_expression *expr;
- ir_value *out;
-
- expr = (ast_expression*)self->blocks[i];
-
- if (!(expr->expression.codegen)(expr, self, &out))
- {
- /* there was an error while building this expression... */
- return false;
- }
- (void)out;
- }
- return true;
+ return false;
}
-qbool ast_block_codegen(ast_block *self, ir_function *func, ir_value **out)
+bool ast_store_codegen(ast_store *self, ast_function *func, ir_value **out)
{
return false;
}
-qbool ast_bin_store_codegen(ast_binary *self, ir_function *func, ir_value **out)
+bool ast_binary_codegen(ast_binary *self, ast_function *func, ir_value **out)
{
return false;
}
projects / xonotic / gmqcc.git / blobdiff