ed/Odin
1
0
Fork 0
mirror of https://github.com/Ed94/Odin.git synced 2026-08-05 15:18:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix give expressions

Browse Source
This commit is contained in:
Ginger Bill
2016-12-30 22:52:43 +00:00
parent 6748f305db
commit 0c6775ca14
7 changed files with 189 additions and 135 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/checker/stmt.c
+12 -7
View File
@@ -6,7 +6,7 @@ void check_stmt_list(Checker *c, AstNodeArray stmts, u32 flags) {
check_scope_decls(c, stmts, 1.2*stmts.count, NULL);
bool ft_ok = (flags & Stmt_FallthroughAllowed) != 0;
u32 f = flags & (~Stmt_FallthroughAllowed);
flags &= ~Stmt_FallthroughAllowed;
isize max = stmts.count;
for (isize i = stmts.count-1; i >= 0; i--) {
@@ -20,16 +20,21 @@ void check_stmt_list(Checker *c, AstNodeArray stmts, u32 flags) {
if (n->kind == AstNode_EmptyStmt) {
continue;
}
u32 new_flags = f;
u32 new_flags = flags;
if (ft_ok && i+1 == max) {
new_flags |= Stmt_FallthroughAllowed;
}
if (n->kind == AstNode_ReturnStmt && i+1 < max) {
error_node(n, "Statements after this `return` are never executed");
} else if (n->kind == AstNode_ExprStmt && i+1 < max) {
if (n->ExprStmt.expr->kind == AstNode_GiveExpr) {
error_node(n, "A `give` must be the last statement in a block");
if (i+1 < max) {
switch (n->kind) {
case AstNode_ReturnStmt:
error_node(n, "Statements after this `return` are never executed");
break;
case AstNode_ExprStmt:
if (n->ExprStmt.expr->kind == AstNode_GiveExpr) {
error_node(n, "A `give` must be the last statement in a block");
}
break;
}
}