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Correct or_return logic for debug printing and expression is not used checking

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This commit is contained in:
gingerBill
2021-08-16 11:08:37 +01:00
parent 0996cc82a7
commit 4c306a6f99
2 changed files with 36 additions and 4 deletions
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25
src/check_stmt.cpp
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@@ -1456,6 +1456,21 @@ bool all_operands_valid(Array<Operand> const &operands) {
return true;
}
Ast *strip_or_return_expr(Ast *node) {
for (;;) {
if (node == nullptr) {
return node;
}
if (node->kind == Ast_OrReturnExpr) {
node = node->OrReturnExpr.expr;
} else if (node->kind == Ast_ParenExpr) {
node = node->ParenExpr.expr;
} else {
return node;
}
}
}
void check_stmt_internal(CheckerContext *ctx, Ast *node, u32 flags) {
u32 mod_flags = flags & (~Stmt_FallthroughAllowed);
switch (node->kind) {
@@ -1480,8 +1495,10 @@ void check_stmt_internal(CheckerContext *ctx, Ast *node, u32 flags) {
if (kind == Expr_Stmt) {
return;
}
if (operand.expr->kind == Ast_CallExpr) {
AstCallExpr *ce = &operand.expr->CallExpr;
Ast *expr = strip_or_return_expr(operand.expr);
if (expr->kind == Ast_CallExpr) {
AstCallExpr *ce = &expr->CallExpr;
Type *t = type_of_expr(ce->proc);
if (is_type_proc(t)) {
if (t->Proc.require_results) {
@@ -1491,8 +1508,8 @@ void check_stmt_internal(CheckerContext *ctx, Ast *node, u32 flags) {
}
}
return;
} else if (operand.expr->kind == Ast_SelectorCallExpr) {
AstSelectorCallExpr *se = &operand.expr->SelectorCallExpr;
} else if (expr->kind == Ast_SelectorCallExpr) {
AstSelectorCallExpr *se = &expr->SelectorCallExpr;
ast_node(ce, CallExpr, se->call);
Type *t = type_of_expr(ce->proc);
if (is_type_proc(t)) {