2 * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
115 TAILQ_HEAD(bindings, binding);
117 TAILQ_ENTRY(binding) entry;
122 * Hack to support varargs. We set a special variable named
123 * "..." that contains the list of ops that will evaluate to
129 TAILQ_HEAD(envs, env);
131 TAILQ_ENTRY(env) entry;
132 struct bindings bindings;
135 TAILQ_HEAD(opstacks, opstack);
137 TAILQ_ENTRY(opstack) entry;
143 TAILQ_HEAD(procs, proc);
145 TAILQ_ENTRY(proc) entry;
149 char *args[MAXWELEM];
151 int (*nativefn)(int);
154 TAILQ_HEAD(tests, test);
156 TAILQ_ENTRY(test) entry;
169 int global_set(char *, struct op *);
171 struct op *newop(int);
172 void free_op_rec(struct op *);
173 void free_op(struct op *);
174 struct op *op_rest(void);
175 struct op *op_assign(char *, struct op *);
176 struct op *op_assert(struct op *);
177 struct op *op_var(char *);
178 struct op *op_lit_str(char *);
179 struct op *op_lit_num(uint64_t);
180 struct op *op_cmp_eq(struct op *, struct op *);
181 struct op *op_cmp_leq(struct op *, struct op *);
182 struct op *op_cast(struct op *, int);
183 struct op *op_faccess(struct op *, char *);
184 struct op *op_sfail(struct op *, char *);
185 struct op *op_vargs(void);
187 void ppf_val(FILE *, struct value *);
188 void pp_val(struct value *);
189 void pp_val(struct value *);
190 const char *val_type(struct value *);
191 int val_trueish(struct value *);
192 int val_isnum(struct value *);
193 int64_t val_tonum(struct value *);
194 int val_eq(struct value *, struct value *);
195 int val_leq(struct value *, struct value *);
196 int val_cast(struct value *, int);
197 int val_faccess(struct value *, const char *, struct value *);
198 void pp_op(struct op *);
199 void pp_block(struct op *);
200 int eval(struct op *);
203 void prepare_funcall(void);
204 void push_arg(struct op *);
205 struct op *op_funcall(struct proc *);
208 void add_builtin_proc(const char *name, int (*)(int), int, int);
209 void prepare_proc(void);
210 /* push_arg works on procs too */
211 int proc_setup_body(void);
212 void proc_done(char *name);
213 void block_push(struct op *);
214 struct proc *proc_by_name(const char *);
217 void prepare_test(void);
218 void test_done(int, char *, char *);
221 void loadfile(const char *);