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6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
10 * so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #define ast_setfunc(me, fn, what) ( *(void**)&((me)->fn) = what )
32 #define ast_instantiate(T, ctx, destroyfn) \
33 T *self = (T*)mem_a(sizeof(T)); \
34 ast_node_init((ast_node*)self, ctx); \
35 ast_setfunc(&((ast_node*)self)->node, destroy, destroyfn)
37 /* It must not be possible to get here. */
38 static void _ast_node_destroy(ast_node *self)
40 fprintf(stderr, "ast node missing destroy()\n");
44 /* Initialize main ast node aprts */
45 static void ast_node_init(ast_node *self, lex_ctx ctx)
47 self->node.context = ctx;
48 self->node.destroy = &_ast_node_destroy;
49 self->node.keep = false;
52 /* General expression initialization */
53 static void ast_expression_init(ast_expression *self,
54 ast_expression_codegen *codegen)
56 ast_setfunc(&self->expression, codegen, codegen);
59 ast_value* ast_value_new(lex_ctx ctx, const char *name, int t, bool keep)
61 ast_instantiate(ast_value, ctx, ast_value_delete);
62 ast_expression_init((ast_expression*)self,
63 (ast_expression_codegen*)&ast_value_codegen);
64 self->expression.node.keep = keep;
66 self->name = name ? util_strdup(name) : NULL;
69 MEM_VECTOR_INIT(self, params);
70 self->isconst = false;
71 memset(&self->constval, 0, sizeof(self->constval));
77 MEM_VEC_FUNCTIONS(ast_value, ast_value*, params)
79 void ast_value_delete(ast_value* self)
83 mem_d((void*)self->name);
84 for (i = 0; i < self->params_count; ++i)
85 ast_unref(self->params[i]);
86 MEM_VECTOR_CLEAR(self, params);
87 if (self->next) /* delete, not unref, types are always copied */
88 ast_delete(self->next);
93 mem_d((void*)self->constval.vstring);
95 /* NOTE: delete function? currently collected in
96 * the parser structure
105 bool ast_value_set_name(ast_value *self, const char *name)
108 mem_d((void*)self->name);
109 self->name = util_strdup(name);
113 ast_binary* ast_binary_new(lex_ctx ctx, int op,
114 ast_value* left, ast_value* right)
116 ast_instantiate(ast_binary, ctx, ast_binary_delete);
117 ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_binary_codegen);
126 void ast_binary_delete(ast_binary *self)
128 ast_unref(self->left);
129 ast_unref(self->right);
133 ast_store* ast_store_new(lex_ctx ctx, int op,
134 ast_value *dest, ast_value *source)
136 ast_instantiate(ast_store, ctx, ast_store_delete);
137 ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_store_codegen);
141 self->source = source;
146 void ast_store_delete(ast_store *self)
148 ast_unref(self->dest);
149 ast_unref(self->source);
153 ast_block* ast_block_new(lex_ctx ctx)
155 ast_instantiate(ast_block, ctx, ast_block_delete);
156 ast_expression_init((ast_expression*)self,
157 (ast_expression_codegen*)&ast_block_codegen);
159 MEM_VECTOR_INIT(self, locals);
160 MEM_VECTOR_INIT(self, exprs);
164 MEM_VEC_FUNCTIONS(ast_block, ast_value*, locals)
165 MEM_VEC_FUNCTIONS(ast_block, ast_expression*, exprs)
167 void ast_block_delete(ast_block *self)
170 for (i = 0; i < self->locals_count; ++i)
171 ast_delete(self->locals[i]);
172 MEM_VECTOR_CLEAR(self, locals);
173 for (i = 0; i < self->exprs_count; ++i)
174 ast_unref(self->exprs[i]);
175 MEM_VECTOR_CLEAR(self, exprs);
179 ast_function* ast_function_new(lex_ctx ctx, const char *name, ast_value *vtype)
181 ast_instantiate(ast_function, ctx, ast_function_delete);
184 self->name = name ? util_strdup(name) : NULL;
185 MEM_VECTOR_INIT(self, blocks);
190 MEM_VEC_FUNCTIONS(ast_function, ast_block*, blocks)
192 void ast_function_delete(ast_function *self)
196 mem_d((void*)self->name);
198 ast_value_delete(self->vtype);
199 for (i = 0; i < self->blocks_count; ++i)
200 ast_delete(self->blocks[i]);
201 MEM_VECTOR_CLEAR(self, blocks);
205 /*********************************************************************/
209 /* Some dummies so it compiles... */
210 bool ast_value_codegen(ast_value *self, ast_function *func, ir_value **out)
215 bool ast_block_codegen(ast_block *self, ast_function *func, ir_value **out)
220 bool ast_store_codegen(ast_store *self, ast_function *func, ir_value **out)
225 bool ast_binary_codegen(ast_binary *self, ast_function *func, ir_value **out)