mirrors/Odin
1
0
Fork 0
mirror of https://github.com/odin-lang/Odin.git synced 2026-06-07 02:54:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add or_break and or_continue constructs

Browse Source
This commit is contained in:
gingerBill
2023-09-30 15:04:17 +01:00
parent 4e97b83312
commit 648b83d6ea
11 changed files with 401 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
src/llvm_backend_expr.cpp
View File

@@ -3305,6 +3305,62 @@ gb_internal lbValue lb_build_expr_internal(lbProcedure *p, Ast *expr) {
return lb_emit_or_return(p, oe->expr, tv);
case_end;
case_ast_node(be, OrBranchExpr, expr);
lbBlock *block = nullptr;
if (be->label != nullptr) {
lbBranchBlocks bb = lb_lookup_branch_blocks(p, be->label);
switch (be->token.kind) {
case Token_or_break: block = bb.break_; break;
case Token_or_continue: block = bb.continue_; break;
}
} else {
for (lbTargetList *t = p->target_list; t != nullptr && block == nullptr; t = t->prev) {
if (t->is_block) {
continue;
}
switch (be->token.kind) {
case Token_or_break: block = t->break_; break;
case Token_or_continue: block = t->continue_; break;
}
}
}
lbValue lhs = {};
lbValue rhs = {};
lb_emit_try_lhs_rhs(p, be->expr, tv, &lhs, &rhs);
Type *type = default_type(tv.type);
lbBlock *then = lb_create_block(p, "or_branch.then");
lbBlock *done = lb_create_block(p, "or_branch.done"); // NOTE(bill): Append later
lbBlock *else_ = lb_create_block(p, "or_branch.else");
lb_emit_if(p, lb_emit_try_has_value(p, rhs), then, else_);
lb_start_block(p, then);
lbValue res = {};
if (lhs.value) {
res = lb_emit_conv(p, lhs, type);
}
lb_emit_jump(p, done);
lb_start_block(p, else_);
if (lhs.value) {
res = lb_const_nil(p->module, type);
}
if (block != nullptr) {
lb_emit_defer_stmts(p, lbDeferExit_Branch, block);
}
lb_emit_jump(p, block);
lb_start_block(p, done);
return res;
case_end;
case_ast_node(ta, TypeAssertion, expr);
TokenPos pos = ast_token(expr).pos;
lbValue e = lb_build_expr(p, ta->expr);