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minor clean-up (#4998)

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This commit is contained in:
Alex Lam S.L
2021-06-12 09:20:06 +08:00
committed by GitHub
parent ce75477670
commit 70ceda5398
1 changed files with 29 additions and 33 deletions
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62
lib/mozilla-ast.js
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@@ -1134,58 +1134,54 @@
}
function map(moztype, mytype, propmap) {
var moz_to_me = "function From_Moz_" + moztype + "(M){\n";
moz_to_me += "return new U2." + mytype.name + "({\n" +
"start: my_start_token(M),\n" +
"end: my_end_token(M)";
var me_to_moz = "function To_Moz_" + moztype + "(M){\n";
me_to_moz += "return {\n" +
"type: " + JSON.stringify(moztype);
var moz_to_me = [
"start: my_start_token(M)",
"end: my_end_token(M)",
];
var me_to_moz = [
"type: " + JSON.stringify(moztype),
];
if (propmap) propmap.split(/\s*,\s*/).forEach(function(prop) {
var m = /([a-z0-9$_]+)(=|@|>|%)([a-z0-9$_]+)/i.exec(prop);
if (!m) throw new Error("Can't understand property map: " + prop);
var moz = m[1], how = m[2], my = m[3];
moz_to_me += ",\n" + my + ": ";
me_to_moz += ",\n" + moz + ": ";
switch (how) {
case "@":
moz_to_me += "M." + moz + ".map(from_moz)";
me_to_moz += "M." + my + ".map(to_moz)";
moz_to_me.push(my + ": M." + moz + ".map(from_moz)");
me_to_moz.push(moz + ": M." + my + ".map(to_moz)");
break;
case ">":
moz_to_me += "from_moz(M." + moz + ")";
me_to_moz += "to_moz(M." + my + ")";
moz_to_me.push(my + ": from_moz(M." + moz + ")");
me_to_moz.push(moz + ": to_moz(M." + my + ")");
break;
case "=":
moz_to_me += "M." + moz;
me_to_moz += "M." + my;
moz_to_me.push(my + ": M." + moz);
me_to_moz.push(moz + ": M." + my);
break;
case "%":
moz_to_me += "from_moz(M." + moz + ").body";
me_to_moz += "to_moz_block(M)";
moz_to_me.push(my + ": from_moz(M." + moz + ").body");
me_to_moz.push(moz + ": to_moz_block(M)");
break;
default:
throw new Error("Can't understand operator in propmap: " + prop);
}
});
moz_to_me += "\n})\n}";
me_to_moz += "\n}\n}";
//moz_to_me = parse(moz_to_me).print_to_string({ beautify: true });
//me_to_moz = parse(me_to_moz).print_to_string({ beautify: true });
//console.log(moz_to_me);
moz_to_me = new Function("U2", "my_start_token", "my_end_token", "from_moz", "return(" + moz_to_me + ")")(
exports, my_start_token, my_end_token, from_moz
);
me_to_moz = new Function("to_moz", "to_moz_block", "to_moz_scope", "return(" + me_to_moz + ")")(
to_moz, to_moz_block, to_moz_scope
);
MOZ_TO_ME[moztype] = moz_to_me;
def_to_moz(mytype, me_to_moz);
MOZ_TO_ME[moztype] = new Function("U2", "my_start_token", "my_end_token", "from_moz", [
"return function From_Moz_" + moztype + "(M) {",
" return new U2.AST_" + mytype.TYPE + "({",
moz_to_me.join(",\n"),
" });",
"};",
].join("\n"))(exports, my_start_token, my_end_token, from_moz);
def_to_moz(mytype, new Function("to_moz", "to_moz_block", "to_moz_scope", [
"return function To_Moz_" + moztype + "(M) {",
" return {",
me_to_moz.join(",\n"),
" };",
"};",
].join("\n"))(to_moz, to_moz_block, to_moz_scope));
}
var FROM_MOZ_STACK = null;