diff options
Diffstat (limited to 'tests/programs/meta.zc')
| -rw-r--r-- | tests/programs/meta.zc | 53 |
1 files changed, 28 insertions, 25 deletions
diff --git a/tests/programs/meta.zc b/tests/programs/meta.zc index 6afdf36..57c5d5a 100644 --- a/tests/programs/meta.zc +++ b/tests/programs/meta.zc @@ -1,43 +1,46 @@ +namespace; +include rt, run; + fn ipow(a, b) { let r = 1; while (b > 0) { r *= a; b--; } return r; } // a parse word that adds an operator to the compiler's tables -immediate fn pow_op() { next(); add_binop("**", 11, "ipow c"); return 0; } +immediate fn pow_op() { run.next(); run.add_binop("**", 11, "ipow c"); return 0; } pow_op // unless (cond) stmt: a parse word that emits code itself immediate fn unless() { let a; - next(); - expect(intern("(")); rval(); plainuse(expr()); rval(); expect(intern(")")); - emitseq(useq[0], ulen[0]); // not - a = hole(); op(O_JZ); // skip the body when the condition was true - substmt(); - setlit(a, here); + run.next(); + run.expect(run.intern("(")); run.rval(); run.plainuse(run.expr()); run.rval(); run.expect(run.intern(")")); + run.emitseq(run.useq[0], run.ulen[0]); // not + a = run.hole(); run.op(run.O_JZ); // skip the body when the condition was true + run.substmt(); + run.setlit(a, run.here); return 0; } // repeat N { body }: a macro, built from token lists immediate fn repeat() { let n, body, i = 0; - next(); n = tv; next(); - body = grab(); - while (i < n) { feed(qdup(body)); i++; } - free(d*body); + run.next(); n = run.tv; run.next(); + body = run.grab(); + while (i < n) { run.feed(run.qdup(body)); i++; } + rt.free(d*body); return 0; } fn main() { - put_n(2 ** 10); put_c(' '); put_n(3 + 2 ** 3 * 2); put_c(10); - unless (1 > 2) put_s("unless ok\n"); - unless (2 > 1) put_s("wrong\n"); - repeat 3 { put_c('r'); } - put_c(10); - let q = quote { put_n(40 + 2); put_c(10); return 7; }; - put_n(q[0]); put_c(' '); - put_n(eval(q)); put_c(10); - let f = compile(q); - put_n(f()); put_c(10); - free(d*q); + rt.put_n(2 ** 10); rt.put_c(' '); rt.put_n(3 + 2 ** 3 * 2); rt.put_c(10); + unless (1 > 2) rt.put_s("unless ok\n"); + unless (2 > 1) rt.put_s("wrong\n"); + repeat 3 { rt.put_c('r'); } + rt.put_c(10); + let q = quote { rt.put_n(40 + 2); rt.put_c(10); return 7; }; + rt.put_n(q[0]); rt.put_c(' '); + rt.put_n(run.eval(q)); rt.put_c(10); + let f = run.compile(q); + rt.put_n(f()); rt.put_c(10); + rt.free(d*q); let defs = quote { fn sq(x) { return x * x; } }; - load(defs); - free(d*defs); - put_n(evals("return sq(12);")); put_c(10); + run.load(defs); + rt.free(d*defs); + rt.put_n(run.evals("return sq(12);")); rt.put_c(10); return 0; } |
