JoBoEVD/UglifyJS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix quoting of properties

Browse Source 
- Make AST_ConciseMethod child of AST_ObjectProperty.
- Fix some typos.
This commit is contained in:
Anthony Van de Gejuchte
2016-07-29 03:18:21 +02:00
committed by Richard van Velzen
parent 67461666dc
commit 1c15d0db45
7 changed files with 257 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
lib/ast.js
View File

@@ -448,8 +448,8 @@ var AST_ArrowParametersOrSeq = DEFNODE("ArrowParametersOrSeq", "expressions", {
var AST_Lambda = DEFNODE("Lambda", "name argnames uses_arguments is_generator", {
$documentation: "Base class for functions",
$propdoc: {
is_generator: "is generatorFn or not",
name: "[AST_SymbolDeclaration?|AST_Node] the name of this function or computed expression",
is_generator: "[boolean] is generatorFn or not",
name: "[AST_SymbolDeclaration?] the name of this function",
argnames: "[AST_SymbolFunarg|AST_Destructuring|AST_Expansion*] array of function arguments, destructurings, or expanding arguments",
uses_arguments: "[boolean/S] tells whether this function accesses the arguments array"
},
@@ -487,14 +487,6 @@ var AST_Arrow = DEFNODE("Arrow", null, {
$documentation: "An ES6 Arrow function ((a) => b)"
}, AST_Lambda);
var AST_ConciseMethod = DEFNODE("ConciseMethod", "is_generator static", {
$propdoc: {
is_generator: "is generatorFn or not",
static: "[boolean] whether this method is static (classes only)",
},
$documentation: "An ES6 concise method inside an object or class"
}, AST_Lambda);
var AST_Defun = DEFNODE("Defun", null, {
$documentation: "A function definition"
}, AST_Lambda);
@@ -996,11 +988,13 @@ var AST_Object = DEFNODE("Object", "properties", {
var AST_ObjectProperty = DEFNODE("ObjectProperty", "key value", {
$documentation: "Base class for literal object properties",
$propdoc: {
key: "[string|AST_Node] the property name converted to a string for ObjectKeyVal. For setters and getters this is an arbitrary AST_Node.",
value: "[AST_Node] property value. For setters and getters this is an AST_Function."
key: "[string|AST_Node] the property name converted to a string for ObjectKeyVal. For setters, getters and computed property this is an arbitrary AST_Node",
value: "[AST_Node] property value. For setters and getters this is an AST_Function."
},
_walk: function(visitor) {
return visitor._visit(this, function(){
if (this.key instanceof AST_Node)
this.key._walk(visitor);
this.value._walk(visitor);
});
}
@@ -1016,28 +1010,33 @@ var AST_ObjectKeyVal = DEFNODE("ObjectKeyVal", "quote shorthand", {
var AST_ObjectComputedKeyVal = DEFNODE("ObjectComputedKeyVal", null, {
$documentation: "An object property whose key is computed. Like `[Symbol.iterator]: function...` or `[routes.homepage]: renderHomepage`",
_walk: function(visitor) {
return visitor._visit(this, function(){
this.key._walk(visitor);
this.value._walk(visitor);
});
}
}, AST_ObjectProperty);
var AST_ObjectSetter = DEFNODE("ObjectSetter", "static", {
var AST_ObjectSetter = DEFNODE("ObjectSetter", "quote static", {
$propdoc: {
quote: "[string|undefined] the original quote character, if any",
static: "[boolean] whether this is a static setter (classes only)"
},
$documentation: "An object setter property",
}, AST_ObjectProperty);
var AST_ObjectGetter = DEFNODE("ObjectGetter", "static", {
var AST_ObjectGetter = DEFNODE("ObjectGetter", "quote static", {
$propdoc: {
quote: "[string|undefined] the original quote character, if any",
static: "[boolean] whether this is a static getter (classes only)"
},
$documentation: "An object getter property",
}, AST_ObjectProperty);
var AST_ConciseMethod = DEFNODE("ConciseMethod", "quote static is_generator", {
$propdoc: {
quote: "[string|undefined] the original quote character, if any",
static: "[boolean] whether this method is static (classes only)",
is_generator: "[boolean] is generatorFn or not",
},
$documentation: "An ES6 concise method inside an object or class"
}, AST_ObjectProperty);
var AST_Class = DEFNODE("Class", "name extends properties", {
$propdoc: {
name: "[AST_SymbolClass|AST_SymbolDefClass?] optional class name.",

57
lib/output.js
View File

@@ -966,16 +966,6 @@ function OutputStream(options) {
}
if (needs_parens) { output.print(")") }
});
DEFPRINT(AST_ConciseMethod, function(self, output){
if (self.static) {
output.print("static");
output.space();
}
if (self.is_generator) {
output.print("*");
}
self._do_print(output, true /* do not print "function" */);
});
/* -----[ exits ]----- */
AST_Exit.DEFMETHOD("_do_print", function(output, kind){
@@ -1430,17 +1420,7 @@ function OutputStream(options) {
DEFPRINT(AST_NewTarget, function(self, output) {
output.print("new.target");
});
DEFPRINT(AST_ObjectKeyVal, function(self, output){
var key = self.key;
var quote = self.quote;
var print_as_shorthand = self.shorthand &&
self.value instanceof AST_Symbol &&
self.key == self.value.print_to_string();
if (print_as_shorthand) {
output.print_name(key);
return;
}
AST_ObjectProperty.DEFMETHOD("print_property_name", function(key, quote, output) {
if (output.option("quote_keys")) {
output.print_string(key + "");
} else if ((typeof key == "number"
@@ -1457,6 +1437,17 @@ function OutputStream(options) {
} else {
output.print_string(key, quote);
}
});
DEFPRINT(AST_ObjectKeyVal, function(self, output){
var print_as_shorthand = self.shorthand &&
self.value instanceof AST_Symbol &&
self.key == self.value.print_to_string();
if (print_as_shorthand) {
output.print_name(self.key);
return;
}
self.print_property_name(self.key, self.quote, output);
output.colon();
self.value.print(output);
});
@@ -1468,11 +1459,7 @@ function OutputStream(options) {
output.print(type);
output.space();
if (self.key instanceof AST_SymbolMethod) {
if (typeof self.key.name === "string" && !is_identifier_string(self.key.name)) {
output.print_string(self.key.name);
} else {
self.key.print(output);
}
self.print_property_name(self.key.name, self.quote, output);
} else {
output.with_square(function() {
self.key.print(output);
@@ -1486,6 +1473,24 @@ function OutputStream(options) {
DEFPRINT(AST_ObjectGetter, function(self, output){
self._print_getter_setter("get", self, output);
});
DEFPRINT(AST_ConciseMethod, function(self, output){
if (self.static) {
output.print("static");
output.space();
}
if (self.is_generator) {
output.print("*");
}
output.space();
if (self.key instanceof AST_SymbolMethod) {
self.print_property_name(self.key.name, self.quote, output);
} else {
output.with_square(function() {
self.key.print(output);
});
}
self.value._do_print(output, true);
});
DEFPRINT(AST_ObjectComputedKeyVal, function(self, output) {
output.print("[");
self.key.print(output);

34
lib/parse.js
View File

@@ -1253,7 +1253,7 @@ function parse($TEXT, options) {
});
};
var function_ = function(ctor) {
var function_ = function(ctor, is_generator_property) {
var start = S.token
var in_statement = ctor === AST_Defun;
@@ -1267,7 +1267,7 @@ function parse($TEXT, options) {
unexpected();
var args = params_or_seq_().as_params(croak);
var body = _function_body(true, is_generator);
var body = _function_body(true, is_generator || is_generator_property);
return new ctor({
start : args.start,
end : body.end,
@@ -1744,7 +1744,7 @@ function parse($TEXT, options) {
start = S.token;
var type = start.type;
var name = as_property_name();
if (type != "string" && type != "num" && !is("punc", ":")) {
if (!is("punc", ":")) {
var concise = concise_method_or_getset(name, start);
if (concise) {
a.push(concise);
@@ -1757,8 +1757,10 @@ function parse($TEXT, options) {
if (type == "punc" && start.value == "[") {
expect(":");
a.push(new AST_ObjectComputedKeyVal({
start: start,
key: name,
value: expression(false)
value: expression(false),
end: prev()
}));
continue;
}
@@ -1859,12 +1861,15 @@ function parse($TEXT, options) {
}
var is_static = false;
var is_generator = false;
var property_token = start;
if (is_class && name === "static" && !is("punc", "(")) {
is_static = true;
property_token = S.token;
name = as_property_name();
}
if (name === null) {
is_generator = true;
property_token = S.token;
name = as_property_name();
if (name === null) {
unexpected();
@@ -1872,23 +1877,28 @@ function parse($TEXT, options) {
}
if (is("punc", "(")) {
name = get_ast(name, start);
return new AST_ConciseMethod({
is_generator: is_generator,
var node = new AST_ConciseMethod({
start : start,
static : is_static,
name : name,
argnames : params_or_seq_().as_params(croak),
body : _function_body(true, is_generator),
is_generator: is_generator,
key : name,
quote : name instanceof AST_SymbolMethod ?
property_token.quote : undefined,
value : function_(AST_Accessor, is_generator),
end : prev()
});
return node;
}
property_token = S.token;
if (name == "get") {
if (!is("punc") || is("punc", "[")) {
name = get_ast(as_property_name(), prev());
name = get_ast(as_property_name(), start);
return new AST_ObjectGetter({
start : start,
static: is_static,
key : name,
quote : name instanceof AST_SymbolMethod ?
property_token.quote : undefined,
value : function_(AST_Accessor),
end : prev()
});
@@ -1896,11 +1906,13 @@ function parse($TEXT, options) {
}
else if (name == "set") {
if (!is("punc") || is("punc", "[")) {
name = get_ast(as_property_name(), prev());
name = get_ast(as_property_name(), start);
return new AST_ObjectSetter({
start : start,
static: is_static,
key : name,
quote : name instanceof AST_SymbolMethod ?
property_token.quote : undefined,
value : function_(AST_Accessor),
end : prev()
});

3
lib/transform.js
View File

@@ -224,6 +224,9 @@ TreeTransformer.prototype = new TreeWalker;
});
_(AST_ObjectProperty, function(self, tw){
if (self.key instanceof AST_Node) {
self.key = self.key.transform(tw);
}
self.value = self.value.transform(tw);
});