298 lines
5.4 KiB
JavaScript
298 lines
5.4 KiB
JavaScript
function DEFNODE(type, props, methods, base) {
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if (arguments.length < 4) base = AST_Node;
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if (!props) props = [];
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else props = props.split(/\s+/);
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if (base && base.PROPS)
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props = props.concat(base.PROPS);
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var code = "return function AST_" + type + "(props){ if (props) { ";
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for (var i = props.length; --i >= 0;) {
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code += "this." + props[i] + " = props." + props[i] + ";";
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}
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code += " } }";
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var ctor = new Function(code)();
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if (base) {
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ctor.prototype = new base;
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}
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ctor.prototype.CTOR = ctor;
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ctor.PROPS = props || null;
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if (type) {
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ctor.prototype.TYPE = ctor.TYPE = type;
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}
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if (methods) for (var i in methods) if (HOP(methods, i)) {
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ctor.prototype[i] = methods[i];
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}
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return ctor;
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};
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var AST_Token = DEFNODE("Token", "type value line col pos endpos nlb", {
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}, null);
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var AST_Node = DEFNODE("Node", "start end", {
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}, null);
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var AST_Directive = DEFNODE("Directive", "value", {
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});
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var AST_Debugger = DEFNODE("Debugger", null, {
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});
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var AST_Parenthesized = DEFNODE("Parenthesized", "expression", {
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documentation: "Represents an expression which is always parenthesized. Used for the \
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conditions in IF/WHILE."
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});
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var AST_Bracketed = DEFNODE("Bracketed", "body", {
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documentation: "Represents a block of statements that are always included in brackets. \
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Used for bodies of FUNCTION/TRY/CATCH/THROW/SWITCH."
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});
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/* -----[ loops ]----- */
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var AST_LabeledStatement = DEFNODE("LabeledStatement", "label body", {
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});
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var AST_Statement = DEFNODE("Statement", null, {
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}, AST_LabeledStatement);
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var AST_Do = DEFNODE("Do", "condition", {
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}, AST_LabeledStatement);
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var AST_While = DEFNODE("While", "condition", {
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}, AST_LabeledStatement);
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var AST_For = DEFNODE("For", "init condition step", {
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}, AST_LabeledStatement);
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var AST_ForIn = DEFNODE("ForIn", "init name object", {
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}, AST_LabeledStatement);
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var AST_With = DEFNODE("With", "expression body", {
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});
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var AST_LoopControl = DEFNODE("LoopControl", "label", {
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});
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var AST_Break = DEFNODE("Break", null, {
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}, AST_LoopControl);
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var AST_Continue = DEFNODE("Continue", null, {
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}, AST_LoopControl);
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/* -----[ functions ]----- */
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var AST_Scope = DEFNODE("Scope", "identifiers body", {
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});
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var AST_Toplevel = DEFNODE("Toplevel", null, {
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}, AST_Scope);
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var AST_Lambda = DEFNODE("Lambda", "name argnames", {
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}, AST_Scope);
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var AST_Function = DEFNODE("Function", null, {
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}, AST_Lambda);
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var AST_Defun = DEFNODE("Defun", null, {
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}, AST_Function);
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/* -----[ JUMPS ]----- */
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var AST_Jump = DEFNODE("Jump", "value");
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var AST_Return = DEFNODE("Return", null, {
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}, AST_Jump);
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var AST_Throw = DEFNODE("Throw", null, {
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}, AST_Jump);
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/* -----[ IF ]----- */
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var AST_If = DEFNODE("If", "condition consequent alternative", {
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});
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/* -----[ SWITCH ]----- */
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var AST_Switch = DEFNODE("Switch", "expression", {
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}, AST_LabeledStatement);
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var AST_SwitchBlock = DEFNODE("SwitchBlock", null, {
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}, AST_Bracketed);
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var AST_SwitchBranch = DEFNODE("SwitchBranch", "body", {
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});
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var AST_Default = DEFNODE("Default", null, {
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}, AST_SwitchBranch);
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var AST_Case = DEFNODE("Case", "expression", {
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}, AST_SwitchBranch);
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/* -----[ EXCEPTIONS ]----- */
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var AST_Try = DEFNODE("Try", "btry bcatch bfinally", {
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});
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var AST_Catch = DEFNODE("Catch", "argname body", {
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});
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var AST_Finally = DEFNODE("Finally", null, {
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}, AST_Bracketed);
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/* -----[ VAR/CONST ]----- */
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var AST_Definitions = DEFNODE("Definitions", "definitions", {
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});
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var AST_Var = DEFNODE("Var", null, {
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}, AST_Definitions);
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var AST_Const = DEFNODE("Const", null, {
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}, AST_Definitions);
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var AST_VarDef = DEFNODE("VarDef", "name value", {
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});
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/* -----[ OTHER ]----- */
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var AST_Call = DEFNODE("Call", "expression args", {
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});
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var AST_New = DEFNODE("New", null, {
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}, AST_Call);
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var AST_Seq = DEFNODE("Seq", "first second", {
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});
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var AST_PropAccess = DEFNODE("PropAccess", "expression property", {
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});
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var AST_Dot = DEFNODE("Dot", null, {
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}, AST_PropAccess);
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var AST_Sub = DEFNODE("Sub", null, {
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}, AST_PropAccess);
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var AST_Unary = DEFNODE("Unary", "operator expression", {
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});
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var AST_UnaryPrefix = DEFNODE("UnaryPrefix", null, {
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}, AST_Unary);
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var AST_UnaryPostfix = DEFNODE("UnaryPostfix", null, {
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}, AST_Unary);
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var AST_Binary = DEFNODE("Binary", "left operator right", {
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});
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var AST_Conditional = DEFNODE("Conditional", "condition consequent alternative", {
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});
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var AST_Assign = DEFNODE("Assign", "left operator right", {
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});
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/* -----[ LITERALS ]----- */
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var AST_RegExp = DEFNODE("Regexp", "pattern mods", {
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});
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var AST_Array = DEFNODE("Array", "elements", {
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});
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var AST_Object = DEFNODE("Object", "properties", {
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});
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var AST_ObjectProperty = DEFNODE("ObjectProperty");
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var AST_ObjectKeyVal = DEFNODE("ObjectKeyval", "key value", {
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}, AST_ObjectProperty);
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var AST_ObjectSetter = DEFNODE("ObjectSetter", "name func", {
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}, AST_ObjectProperty);
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var AST_ObjectGetter = DEFNODE("ObjectGetter", "name func", {
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}, AST_ObjectProperty);
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var AST_Symbol = DEFNODE("Symbol", "name", {
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});
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var AST_String = DEFNODE("String", "value", {
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});
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var AST_Number = DEFNODE("Number", "value", {
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});
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var AST_Boolean = DEFNODE("Boolean", "value", {
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});
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var AST_Atom = DEFNODE("Atom", null, {
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});
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var AST_Null = DEFNODE("Null", null, {
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}, AST_Atom);
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var AST_Undefined = DEFNODE("Undefined", null, {
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}, AST_Atom);
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var AST_False = DEFNODE("False", null, {
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}, AST_Atom);
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var AST_True = DEFNODE("True", null, {
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}, AST_Atom);
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