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Continued sketching out code for checking states against preconditions.

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It's still sketchy. I added a typestate annotation field to statements
tagged stmt_decl or stmt_expr, because a stmt_decl statement has a typestate
that's different from that of its child node. This necessitated trivial
changes to a bunch of other files all over to the compiler. I also added a
few small standard library functions, some of which I didn't actually end
up using but which I thought might be useful anyway.
This commit is contained in:
Tim Chevalier 2011-04-06 17:56:44 -07:00
parent 36d75d6391
commit 2e90bd94de
16 changed files with 362 additions and 151 deletions
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3
src/comp/middle/resolve.rs
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@ -6,6 +6,7 @@ import front.creader;
import driver.session;
import util.common.new_def_hash;
import util.common.span;
import util.typestate_ann.ts_ann;
import std.map.hashmap;
import std.list.list;
import std.list.nil;
@ -348,7 +349,7 @@ fn lookup_name_wrapped(&env e, ast.ident i, namespace ns)
fn found_decl_stmt(@ast.stmt s, namespace ns) -> def_wrap {
alt (s.node) {
case (ast.stmt_decl(?d)) {
case (ast.stmt_decl(?d,_)) {
alt (d.node) {
case (ast.decl_local(?loc)) {
auto t = ast.def_local(loc.id);