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authorPatrick Walton <[email protected]>2010-10-08 12:26:34 -0700
committerPatrick Walton <[email protected]>2010-10-08 12:26:34 -0700
commite3758fe321725bec4707e1b7d4fff333ba915905 (patch)
tree4d9c60203378443b34cdce5fff0b9783d674b46d
parentAdd a little code to resolve, to check that the fold interface works. (diff)
downloadrust-e3758fe321725bec4707e1b7d4fff333ba915905.tar.xz
rust-e3758fe321725bec4707e1b7d4fff333ba915905.zip
rustc: Make functions output a type, not a slot
-rw-r--r--src/comp/front/ast.rs2
-rw-r--r--src/comp/front/parser.rs7
-rw-r--r--src/comp/middle/fold.rs8
3 files changed, 8 insertions, 9 deletions
diff --git a/src/comp/front/ast.rs b/src/comp/front/ast.rs
index 422fd039..0b0f571c 100644
--- a/src/comp/front/ast.rs
+++ b/src/comp/front/ast.rs
@@ -129,7 +129,7 @@ type slot = rec(@ty ty, mode mode, option[slot_id] id);
type input = rec(slot slot, ident ident);
type _fn = rec(vec[input] inputs,
- slot output,
+ ty output,
block body);
type _mod = hashmap[ident,@item];
diff --git a/src/comp/front/parser.rs b/src/comp/front/parser.rs
index 4eb303ed..8e848afb 100644
--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -603,13 +603,12 @@ io fn parse_fn(parser p) -> tup(ast.ident, @ast.item) {
some(token.COMMA),
pf, p);
- let ast.slot output;
+ let ast.ty output;
if (p.peek() == token.RARROW) {
p.bump();
- output = rec(ty=parse_ty(p), mode=ast.val, id=none[ast.slot_id]);
+ output = *parse_ty(p);
} else {
- output = rec(ty=@spanned(lo, inputs.span, ast.ty_nil),
- mode=ast.val, id=none[ast.slot_id]);
+ output = spanned(lo, inputs.span, ast.ty_nil);
}
auto body = parse_block(p);
diff --git a/src/comp/middle/fold.rs b/src/comp/middle/fold.rs
index 6f4b369e..a74ac3b3 100644
--- a/src/comp/middle/fold.rs
+++ b/src/comp/middle/fold.rs
@@ -120,7 +120,7 @@ type ast_fold[ENV] =
vec[@stmt] stmts) -> block) fold_block,
(fn(&ENV e, vec[ast.input] inputs,
- &slot output, block body) -> ast._fn) fold_fn,
+ &ty output, block body) -> ast._fn) fold_fn,
(fn(&ENV e, &ast._mod m) -> ast._mod) fold_mod,
@@ -310,10 +310,10 @@ fn fold_fn[ENV](&ENV env, ast_fold[ENV] fld, &ast._fn f) -> ast._fn {
let operator[ast.input,ast.input] fi = bind fold_input[ENV](env, fld, _);
auto inputs = _vec.map[ast.input, ast.input](fi, f.inputs);
- auto output = fold_slot[ENV](env, fld, f.output);
+ auto output = fold_ty[ENV](env, fld, @f.output);
auto body = fold_block[ENV](env, fld, f.body);
- ret fld.fold_fn(env, inputs, output, body);
+ ret fld.fold_fn(env, inputs, *output, body);
}
fn fold_item[ENV](&ENV env, ast_fold[ENV] fld, @item i) -> @item {
@@ -539,7 +539,7 @@ fn identity_fold_block[ENV](&ENV e, &span sp, vec[@stmt] stmts) -> block {
fn identity_fold_fn[ENV](&ENV e,
vec[ast.input] inputs,
- &slot output,
+ &ast.ty output,
block body) -> ast._fn {
ret rec(inputs=inputs, output=output, body=body);
}