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Remove remaining unused eval methods. Issue #604

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This commit is contained in:
Brian Anderson 2011-06-30 23:53:57 -07:00
parent 91b87b31e5
commit 8614cc975c
1 changed files with 0 additions and 46 deletions
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46
src/comp/front/eval.rs
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@ -18,9 +18,6 @@
import util::common::new_str_hash;
// Simple dynamic-typed value type for eval_expr.
tag val { val_bool(bool); val_int(int); val_str(str); }
tag eval_mode { mode_depend; mode_parse; }
type ctx =
@ -32,49 +29,6 @@
mutable int next_id,
ast::crate_cfg cfg);
fn val_is_bool(val v) -> bool {
alt (v) { case (val_bool(_)) { true } case (_) { false } }
}
fn val_is_int(val v) -> bool {
alt (v) { case (val_int(_)) { true } case (_) { false } }
}
fn val_is_str(val v) -> bool {
alt (v) { case (val_str(_)) { true } case (_) { false } }
}
fn val_as_bool(val v) -> bool {
alt (v) { case (val_bool(?b)) { b } case (_) { fail } }
}
fn val_as_int(val v) -> int {
alt (v) { case (val_int(?i)) { i } case (_) { fail } }
}
fn val_as_str(val v) -> str {
alt (v) { case (val_str(?s)) { s } case (_) { fail } }
}
fn eval_lit(ctx cx, span sp, @ast::lit lit) -> val {
alt (lit.node) {
case (ast::lit_bool(?b)) { val_bool(b) }
case (ast::lit_int(?i)) { val_int(i) }
case (ast::lit_str(?s, _)) { val_str(s) }
case (_) { cx.sess.span_fatal(sp, "evaluating unsupported literal") }
}
}
fn val_eq(session::session sess, span sp, val av, val bv) -> bool {
if (val_is_bool(av) && val_is_bool(bv)) {
val_as_bool(av) == val_as_bool(bv)
} else if (val_is_int(av) && val_is_int(bv)) {
val_as_int(av) == val_as_int(bv)
} else if (val_is_str(av) && val_is_str(bv)) {
str::eq(val_as_str(av), val_as_str(bv))
} else { sess.span_fatal(sp, "bad types in comparison") }
}
fn eval_crate_directives(ctx cx, vec[@ast::crate_directive] cdirs,
str prefix, &mutable vec[@ast::view_item] view_items,
&mutable vec[@ast::item] items) {