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use the appropriate constructor for symbols

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This commit is contained in:
Mihai Bazon
2012-10-04 17:28:35 +03:00
parent 708ec0467c
commit a9b6f9909a
1 changed files with 33 additions and 5 deletions
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38
lib/mozilla-ast.js
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@@ -69,18 +69,21 @@
end : my_end_token(M),
properties : M.properties.map(function(prop){
var key = prop.key;
var name = key.type == "Identifier" ? key.name : key.value;
var args = {
start : my_start_token(key),
end : my_end_token(prop.value),
key : key.type == "Identifier" ? key.name : key.value,
key : name,
value : from_moz(prop.value)
};
switch (prop.kind) {
case "init":
return new AST_ObjectKeyVal(args);
case "set":
args.value.name = from_moz(key);
return new AST_ObjectSetter(args);
case "get":
args.value.name = from_moz(key);
return new AST_ObjectGetter(args);
}
})
@@ -129,7 +132,22 @@
}
},
UnaryExpression: From_Moz_Unary,
UpdateExpression: From_Moz_Unary
UpdateExpression: From_Moz_Unary,
Identifier: function(M) {
var p = FROM_MOZ_STACK[FROM_MOZ_STACK.length - 2];
return new (M.name == "this" ? AST_This
: p.type == "LabeledStatement" ? AST_Label
: p.type == "VariableDeclarator" && p.id === M ? (p.kind == "const" ? AST_SymbolConst : AST_SymbolVar)
: p.type == "FunctionExpression" ? (p.id === M ? AST_SymbolLambda : AST_SymbolFunarg)
: p.type == "FunctionDeclaration" ? (p.id === M ? AST_SymbolDefun : AST_SymbolFunarg)
: p.type == "CatchClause" ? AST_SymbolCatch
: p.type == "BreakStatement" || p.type == "ContinueStatement" ? AST_LabelRef
: AST_SymbolRef)({
start : my_start_token(M),
end : my_end_token(M),
name : M.name
});
}
};
function From_Moz_Unary(M) {
@@ -175,7 +193,6 @@
map("ConditionalExpression", AST_Conditional, "test>condition, consequent>consequent, alternate>alternative");
map("NewExpression", AST_New, "callee>expression, arguments@args");
map("CallExpression", AST_Call, "callee>expression, arguments@args");
map("Identifier", AST_Symbol, "name=name");
/* -----[ tools ]----- */
@@ -233,10 +250,21 @@
return MOZ_TO_ME[moztype] = moz_to_me;
};
var FROM_MOZ_STACK = null;
function from_moz(node) {
return node != null ? MOZ_TO_ME[node.type](node) : null;
FROM_MOZ_STACK.push(node);
var ret = node != null ? MOZ_TO_ME[node.type](node) : null;
FROM_MOZ_STACK.pop();
return ret;
};
AST_Node.from_mozilla_ast = from_moz;
AST_Node.from_mozilla_ast = function(node){
var save_stack = FROM_MOZ_STACK;
FROM_MOZ_STACK = [];
var ast = from_moz(node);
FROM_MOZ_STACK = save_stack;
return ast;
};
})();