a0f4fd390a
- update modified flag between compress() passes - support IIFE arguments - fix corner case with multiple definitions closes #1473
473 lines
9.6 KiB
JavaScript
473 lines
9.6 KiB
JavaScript
reduce_vars: {
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options = {
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conditionals : true,
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evaluate : true,
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global_defs : {
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C : 0
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},
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reduce_vars : true,
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unused : true
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}
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input: {
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var A = 1;
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(function f0() {
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var a = 2;
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console.log(a - 5);
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console.log(A - 5);
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})();
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(function f1() {
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var a = 2;
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console.log(a - 5);
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eval("console.log(a);");
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})();
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(function f2(eval) {
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var a = 2;
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console.log(a - 5);
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eval("console.log(a);");
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})(eval);
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(function f3() {
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var b = typeof C !== "undefined";
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var c = 4;
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if (b) {
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return 'yes';
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} else {
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return 'no';
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}
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})();
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console.log(A + 1);
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}
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expect: {
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var A = 1;
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(function() {
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console.log(-3);
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console.log(-4);
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})();
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(function f1() {
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var a = 2;
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console.log(-3);
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eval("console.log(a);");
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})();
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(function f2(eval) {
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var a = 2;
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console.log(-3);
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eval("console.log(a);");
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})(eval);
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(function() {
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return "yes";
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})();
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console.log(2);
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}
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}
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modified: {
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options = {
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conditionals : true,
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evaluate : true,
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reduce_vars : true,
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unused : true
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}
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input: {
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function f0() {
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var a = 1, b = 2;
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b++;
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console.log(a + 1);
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console.log(b + 1);
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}
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function f1() {
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var a = 1, b = 2;
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--b;
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console.log(a + 1);
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console.log(b + 1);
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}
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function f2() {
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var a = 1, b = 2, c = 3;
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b = c;
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console.log(a + b);
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console.log(b + c);
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console.log(a + c);
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console.log(a + b + c);
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}
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function f3() {
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var a = 1, b = 2, c = 3;
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b *= c;
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console.log(a + b);
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console.log(b + c);
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console.log(a + c);
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console.log(a + b + c);
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}
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function f4() {
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var a = 1, b = 2, c = 3;
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if (a) {
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b = c;
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} else {
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c = b;
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}
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console.log(a + b);
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console.log(b + c);
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console.log(a + c);
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console.log(a + b + c);
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}
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function f5(a) {
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B = a;
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console.log(A ? 'yes' : 'no');
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console.log(B ? 'yes' : 'no');
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}
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}
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expect: {
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function f0() {
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var b = 2;
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b++;
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console.log(2);
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console.log(b + 1);
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}
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function f1() {
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var b = 2;
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--b;
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console.log(2);
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console.log(b + 1);
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}
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function f2() {
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var b = 2, c = 3;
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b = c;
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console.log(1 + b);
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console.log(b + 3);
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console.log(4);
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console.log(1 + b + 3);
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}
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function f3() {
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var b = 2, c = 3;
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b *= c;
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console.log(1 + b);
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console.log(b + 3);
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console.log(4);
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console.log(1 + b + 3);
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}
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function f4() {
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var b = 2, c = 3;
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b = c;
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console.log(1 + b);
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console.log(b + c);
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console.log(1 + c);
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console.log(1 + b + c);
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}
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function f5(a) {
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B = a;
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console.log(A ? 'yes' : 'no');
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console.log(B ? 'yes' : 'no');
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}
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}
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}
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unsafe_evaluate: {
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options = {
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evaluate : true,
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reduce_vars : true,
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unsafe : true,
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unused : true
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}
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input: {
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function f0(){
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var a = {
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b:1
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};
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console.log(a.b + 3);
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}
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function f1(){
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var a = {
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b:{
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c:1
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},
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d:2
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};
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console.log(a.b + 3, a.d + 4, a.b.c + 5, a.d.c + 6);
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}
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}
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expect: {
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function f0(){
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console.log(4);
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}
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function f1(){
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var a = {
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b:{
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c:1
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},
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d:2
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};
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console.log(a.b + 3, 6, 6, 2..c + 6);
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}
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}
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}
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unsafe_evaluate_object: {
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options = {
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evaluate : true,
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reduce_vars : true,
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unsafe : true
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}
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input: {
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function f0(){
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var a = 1;
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var b = {};
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b[a] = 2;
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console.log(a + 3);
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}
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function f1(){
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var a = {
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b:1
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};
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a.b = 2;
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console.log(a.b + 3);
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}
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}
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expect: {
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function f0(){
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var a = 1;
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var b = {};
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b[a] = 2;
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console.log(4);
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}
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function f1(){
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var a = {
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b:1
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};
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a.b = 2;
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console.log(a.b + 3);
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}
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}
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}
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unsafe_evaluate_array: {
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options = {
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evaluate : true,
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reduce_vars : true,
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unsafe : true
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}
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input: {
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function f0(){
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var a = 1;
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var b = [];
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b[a] = 2;
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console.log(a + 3);
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}
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function f1(){
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var a = [1];
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a[2] = 3;
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console.log(a.length);
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}
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function f2(){
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var a = [1];
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a.push(2);
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console.log(a.length);
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}
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}
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expect: {
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function f0(){
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var a = 1;
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var b = [];
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b[a] = 2;
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console.log(4);
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}
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function f1(){
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var a = [1];
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a[2] = 3;
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console.log(a.length);
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}
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function f2(){
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var a = [1];
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a.push(2);
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console.log(a.length);
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}
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}
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}
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unsafe_evaluate_equality: {
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options = {
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evaluate : true,
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reduce_vars : true,
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unsafe : true,
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unused : true
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}
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input: {
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function f0(){
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var a = {};
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console.log(a === a);
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}
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function f1(){
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var a = [];
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console.log(a === a);
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}
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function f2(){
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var a = {a:1, b:2};
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var b = a;
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var c = a;
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console.log(b === c);
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}
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function f3(){
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var a = [1, 2, 3];
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var b = a;
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var c = a;
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console.log(b === c);
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}
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}
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expect: {
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function f0(){
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console.log(true);
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}
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function f1(){
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console.log(true);
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}
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function f2(){
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console.log(true);
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}
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function f3(){
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console.log(true);
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}
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}
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}
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passes: {
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options = {
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conditionals: true,
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evaluate: true,
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passes: 2,
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reduce_vars: true,
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unused: true,
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}
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input: {
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function f() {
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var a = 1, b = 2, c = 3;
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if (a) {
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b = c;
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} else {
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c = b;
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}
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console.log(a + b);
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console.log(b + c);
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console.log(a + c);
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console.log(a + b + c);
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}
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}
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expect: {
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function f() {
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var b = 2, c = 3;
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b = c;
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console.log(1 + b);
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console.log(b + 3);
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console.log(4);
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console.log(1 + b + 3);
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}
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}
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}
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iife: {
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options = {
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evaluate: true,
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reduce_vars: true,
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}
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input: {
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!function(a, b, c) {
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b++;
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console.log(a - 1, b * 1, c + 2);
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}(1, 2, 3);
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}
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expect: {
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!function(a, b, c) {
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b++;
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console.log(0, 1 * b, 5);
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}(1, 2, 3);
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}
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}
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iife_new: {
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options = {
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evaluate: true,
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reduce_vars: true,
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}
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input: {
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var A = new function(a, b, c) {
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b++;
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console.log(a - 1, b * 1, c + 2);
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}(1, 2, 3);
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}
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expect: {
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var A = new function(a, b, c) {
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b++;
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console.log(0, 1 * b, 5);
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}(1, 2, 3);
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}
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}
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multi_def: {
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options = {
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evaluate: true,
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reduce_vars: true,
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}
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input: {
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function f(a) {
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if (a)
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var b = 1;
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else
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var b = 2
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console.log(b + 1);
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}
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}
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expect: {
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function f(a) {
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if (a)
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var b = 1;
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else
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var b = 2
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console.log(b + 1);
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}
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}
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}
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multi_def_2: {
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options = {
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evaluate: true,
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reduce_vars: true,
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}
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input: {
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if (code == 16)
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var bitsLength = 2, bitsOffset = 3, what = len;
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else if (code == 17)
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var bitsLength = 3, bitsOffset = 3, what = (len = 0);
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else if (code == 18)
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var bitsLength = 7, bitsOffset = 11, what = (len = 0);
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var repeatLength = this.getBits(bitsLength) + bitsOffset;
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}
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expect: {
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if (16 == code)
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var bitsLength = 2, bitsOffset = 3, what = len;
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else if (17 == code)
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var bitsLength = 3, bitsOffset = 3, what = (len = 0);
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else if (18 == code)
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var bitsLength = 7, bitsOffset = 11, what = (len = 0);
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var repeatLength = this.getBits(bitsLength) + bitsOffset;
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}
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}
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