var lhs = is_lhs(node, parent);
if (lhs) return lhs;
if (parent instanceof AST_Array) return is_modified(compressor, tw, parent, parent, level + 1);
+ if (parent instanceof AST_Binary) {
+ if (!lazy_op[parent.operator]) return;
+ return is_modified(compressor, tw, parent, parent, level + 1);
+ }
if (parent instanceof AST_Call) {
return !immutable
&& parent.expression === node
&& !parent.is_expr_pure(compressor)
&& (!(value instanceof AST_LambdaExpression) || !(parent instanceof AST_New) && value.contains_this());
}
+ if (parent instanceof AST_Conditional) {
+ if (parent.condition === node) return;
+ return is_modified(compressor, tw, parent, parent, level + 1);
+ }
if (parent instanceof AST_ForEnumeration) return parent.init === node;
if (parent instanceof AST_ObjectKeyVal) {
if (parent.value !== node) return;
var prop = read_property(value, parent);
return (!immutable || recursive) && is_modified(compressor, tw, parent, prop, level + 1);
}
+ if (parent instanceof AST_Sequence) {
+ if (parent.tail_node() !== node) return;
+ return is_modified(compressor, tw, parent, value, level + 1, immutable, recursive);
+ }
}
function is_arguments(def) {
expect_stdout: true
expect_warnings: []
}
+
+unsafe_evaluate_modified_binary: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ unsafe: true,
+ }
+ input: {
+ (function(a) {
+ (console && a).push(1);
+ if (a.length)
+ console.log("PASS");
+ })([]);
+ }
+ expect: {
+ (function(a) {
+ (console && a).push(1);
+ if (a.length)
+ console.log("PASS");
+ })([]);
+ }
+ expect_stdout: "PASS"
+}
+
+unsafe_evaluate_modified_conditional: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ unsafe: true,
+ }
+ input: {
+ (function(a) {
+ (console ? a : []).push(1);
+ if (a.length)
+ console.log("PASS");
+ })([]);
+ }
+ expect: {
+ (function(a) {
+ (console ? a : []).push(1);
+ if (a.length)
+ console.log("PASS");
+ })([]);
+ }
+ expect_stdout: "PASS"
+}
+
+unsafe_evaluate_modified_sequence: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ unsafe: true,
+ }
+ input: {
+ (function(a) {
+ (0, a).push(1);
+ if (a.length)
+ console.log("PASS");
+ })([]);
+ }
+ expect: {
+ (function(a) {
+ (0, a).push(1);
+ if (a.length)
+ console.log("PASS");
+ })([]);
+ }
+ expect_stdout: "PASS"
+}