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implement function inlining (#2053)

Browse Source 
- empty body
- single `AST_Return`
- single `AST_SimpleStatement`
- avoid `/*#__PURE__*/`

Miscellaneous
- enhance single-use function substitution

fixes #281
This commit is contained in:
Alex Lam S.L
2017-06-06 05:49:53 +08:00
committed by GitHub
parent 27c5284d3d
commit 3493a182b2
11 changed files with 528 additions and 29 deletions
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15
test/compress/reduce_vars.js
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@@ -2,6 +2,7 @@ reduce_vars: {
options = {
conditionals : true,
evaluate : true,
inline : true,
global_defs : {
C : 0
},
@@ -1032,6 +1033,7 @@ defun_inline_2: {
defun_inline_3: {
options = {
evaluate: true,
inline: true,
passes: 2,
reduce_vars: true,
side_effects: true,
@@ -1054,6 +1056,7 @@ defun_inline_3: {
defun_call: {
options = {
inline: true,
reduce_vars: true,
unused: true,
}
@@ -1080,6 +1083,7 @@ defun_call: {
defun_redefine: {
options = {
inline: true,
reduce_vars: true,
unused: true,
}
@@ -1112,6 +1116,7 @@ defun_redefine: {
func_inline: {
options = {
inline: true,
reduce_vars: true,
unused: true,
}
@@ -1138,6 +1143,7 @@ func_inline: {
func_modified: {
options = {
inline: true,
reduce_vars: true,
unused: true,
}
@@ -1340,10 +1346,9 @@ iife_func_side_effects: {
console.log("z");
}
(function(a, b, c) {
function y() {
return function() {
console.log("FAIL");
}
return y + b();
} + b();
})(x(), function() {
return y();
}, z());
@@ -1716,6 +1721,7 @@ redefine_arguments_1: {
redefine_arguments_2: {
options = {
evaluate: true,
inline: true,
keep_fargs: false,
reduce_vars: true,
side_effects: true,
@@ -1752,6 +1758,7 @@ redefine_arguments_2: {
redefine_arguments_3: {
options = {
evaluate: true,
inline: true,
keep_fargs: false,
passes: 3,
reduce_vars: true,
@@ -1828,6 +1835,7 @@ redefine_farg_1: {
redefine_farg_2: {
options = {
evaluate: true,
inline: true,
keep_fargs: false,
reduce_vars: true,
side_effects: true,
@@ -1864,6 +1872,7 @@ redefine_farg_2: {
redefine_farg_3: {
options = {
evaluate: true,
inline: true,
keep_fargs: false,
passes: 3,
reduce_vars: true,