mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 00:25:27 +00:00
925 lines
33 KiB
JavaScript
925 lines
33 KiB
JavaScript
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(function () {
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var tokenise = function (str) {
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var tokens = []
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, re = {
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"float": /^-?(([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([Ee][-+]?[0-9]+)?|[0-9]+[Ee][-+]?[0-9]+)/
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, "integer": /^-?(0([Xx][0-9A-Fa-f]+|[0-7]*)|[1-9][0-9]*)/
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, "identifier": /^[A-Z_a-z][0-9A-Z_a-z]*/
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, "string": /^"[^"]*"/
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, "whitespace": /^(?:[\t\n\r ]+|[\t\n\r ]*((\/\/.*|\/\*(.|\n|\r)*?\*\/)[\t\n\r ]*))+/
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, "other": /^[^\t\n\r 0-9A-Z_a-z]/
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}
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, types = []
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;
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for (var k in re) types.push(k);
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while (str.length > 0) {
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var matched = false;
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for (var i = 0, n = types.length; i < n; i++) {
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var type = types[i];
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str = str.replace(re[type], function (tok) {
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tokens.push({ type: type, value: tok });
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matched = true;
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return "";
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});
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if (matched) break;
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}
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if (matched) continue;
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throw new Error("Token stream not progressing");
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}
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return tokens;
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};
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var parse = function (tokens, opt) {
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var line = 1;
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tokens = tokens.slice();
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var FLOAT = "float"
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, INT = "integer"
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, ID = "identifier"
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, STR = "string"
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, OTHER = "other"
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;
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var WebIDLParseError = function (str, line, input, tokens) {
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this.message = str;
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this.line = line;
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this.input = input;
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this.tokens = tokens;
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};
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WebIDLParseError.prototype.toString = function () {
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return this.message + ", line " + this.line + " (tokens: '" + this.input + "')\n" +
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JSON.stringify(this.tokens, null, 4);
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};
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var error = function (str) {
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var tok = "", numTokens = 0, maxTokens = 5;
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while (numTokens < maxTokens && tokens.length > numTokens) {
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tok += tokens[numTokens].value;
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numTokens++;
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}
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throw new WebIDLParseError(str, line, tok, tokens.slice(0, 5));
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};
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var last_token = null;
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var consume = function (type, value) {
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if (!tokens.length || tokens[0].type !== type) return;
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if (typeof value === "undefined" || tokens[0].value === value) {
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last_token = tokens.shift();
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if (type === ID) last_token.value = last_token.value.replace(/^_/, "");
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return last_token;
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}
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};
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var ws = function () {
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if (!tokens.length) return;
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if (tokens[0].type === "whitespace") {
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var t = tokens.shift();
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t.value.replace(/\n/g, function (m) { line++; return m; });
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return t;
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}
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};
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var all_ws = function (store, pea) { // pea == post extended attribute, tpea = same for types
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var t = { type: "whitespace", value: "" };
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while (true) {
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var w = ws();
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if (!w) break;
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t.value += w.value;
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}
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if (t.value.length > 0) {
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if (store) {
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var w = t.value
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, re = {
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"ws": /^([\t\n\r ]+)/
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, "line-comment": /^\/\/(.*)\n?/m
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, "multiline-comment": /^\/\*((?:.|\n|\r)*?)\*\//
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}
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, wsTypes = []
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;
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for (var k in re) wsTypes.push(k);
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while (w.length) {
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var matched = false;
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for (var i = 0, n = wsTypes.length; i < n; i++) {
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var type = wsTypes[i];
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w = w.replace(re[type], function (tok, m1) {
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store.push({ type: type + (pea ? ("-" + pea) : ""), value: m1 });
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matched = true;
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return "";
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});
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if (matched) break;
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}
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if (matched) continue;
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throw new Error("Surprising white space construct."); // this shouldn't happen
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}
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}
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return t;
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}
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};
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var integer_type = function () {
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var ret = "";
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all_ws();
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if (consume(ID, "unsigned")) ret = "unsigned ";
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all_ws();
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if (consume(ID, "short")) return ret + "short";
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if (consume(ID, "long")) {
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ret += "long";
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all_ws();
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if (consume(ID, "long")) return ret + " long";
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return ret;
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}
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if (ret) error("Failed to parse integer type");
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};
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var float_type = function () {
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var ret = "";
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all_ws();
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if (consume(ID, "unrestricted")) ret = "unrestricted ";
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all_ws();
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if (consume(ID, "float")) return ret + "float";
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if (consume(ID, "double")) return ret + "double";
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if (ret) error("Failed to parse float type");
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};
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var primitive_type = function () {
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var num_type = integer_type() || float_type();
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if (num_type) return num_type;
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all_ws();
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if (consume(ID, "boolean")) return "boolean";
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if (consume(ID, "byte")) return "byte";
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if (consume(ID, "octet")) return "octet";
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};
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var const_value = function () {
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if (consume(ID, "true")) return { type: "boolean", value: true };
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if (consume(ID, "false")) return { type: "boolean", value: false };
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if (consume(ID, "null")) return { type: "null" };
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if (consume(ID, "Infinity")) return { type: "Infinity", negative: false };
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if (consume(ID, "NaN")) return { type: "NaN" };
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var ret = consume(FLOAT) || consume(INT);
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if (ret) return { type: "number", value: 1 * ret.value };
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var tok = consume(OTHER, "-");
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if (tok) {
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if (consume(ID, "Infinity")) return { type: "Infinity", negative: true };
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else tokens.unshift(tok);
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}
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};
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var type_suffix = function (obj) {
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while (true) {
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all_ws();
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if (consume(OTHER, "?")) {
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if (obj.nullable) error("Can't nullable more than once");
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obj.nullable = true;
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}
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else if (consume(OTHER, "[")) {
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all_ws();
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consume(OTHER, "]") || error("Unterminated array type");
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if (!obj.array) {
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obj.array = 1;
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obj.nullableArray = [obj.nullable];
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}
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else {
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obj.array++;
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obj.nullableArray.push(obj.nullable);
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}
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obj.nullable = false;
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}
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else return;
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}
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};
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var single_type = function () {
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var prim = primitive_type()
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, ret = { sequence: false, generic: null, nullable: false, array: false, union: false }
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, name
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, value
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;
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if (prim) {
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ret.idlType = prim;
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}
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else if (name = consume(ID)) {
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value = name.value;
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all_ws();
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// Generic types
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if (consume(OTHER, "<")) {
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// backwards compat
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if (value === "sequence") {
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ret.sequence = true;
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}
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ret.generic = value;
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ret.idlType = type() || error("Error parsing generic type " + value);
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all_ws();
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if (!consume(OTHER, ">")) error("Unterminated generic type " + value);
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all_ws();
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if (consume(OTHER, "?")) ret.nullable = true;
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return ret;
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}
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else {
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ret.idlType = value;
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}
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}
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else {
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return;
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}
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type_suffix(ret);
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if (ret.nullable && !ret.array && ret.idlType === "any") error("Type any cannot be made nullable");
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return ret;
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};
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var union_type = function () {
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all_ws();
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if (!consume(OTHER, "(")) return;
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var ret = { sequence: false, generic: null, nullable: false, array: false, union: true, idlType: [] };
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var fst = type() || error("Union type with no content");
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ret.idlType.push(fst);
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while (true) {
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all_ws();
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if (!consume(ID, "or")) break;
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var typ = type() || error("No type after 'or' in union type");
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ret.idlType.push(typ);
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}
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if (!consume(OTHER, ")")) error("Unterminated union type");
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type_suffix(ret);
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return ret;
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};
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var type = function () {
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return single_type() || union_type();
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};
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var argument = function (store) {
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var ret = { optional: false, variadic: false };
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ret.extAttrs = extended_attrs(store);
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all_ws(store, "pea");
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var opt_token = consume(ID, "optional");
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if (opt_token) {
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ret.optional = true;
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all_ws();
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}
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ret.idlType = type();
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if (!ret.idlType) {
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if (opt_token) tokens.unshift(opt_token);
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return;
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}
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var type_token = last_token;
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if (!ret.optional) {
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all_ws();
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if (tokens.length >= 3 &&
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tokens[0].type === "other" && tokens[0].value === "." &&
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tokens[1].type === "other" && tokens[1].value === "." &&
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tokens[2].type === "other" && tokens[2].value === "."
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) {
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tokens.shift();
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tokens.shift();
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tokens.shift();
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ret.variadic = true;
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}
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}
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all_ws();
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var name = consume(ID);
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if (!name) {
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if (opt_token) tokens.unshift(opt_token);
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tokens.unshift(type_token);
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return;
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}
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ret.name = name.value;
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if (ret.optional) {
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all_ws();
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ret["default"] = default_();
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}
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return ret;
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};
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var argument_list = function (store) {
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var ret = []
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, arg = argument(store ? ret : null)
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;
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if (!arg) return;
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ret.push(arg);
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while (true) {
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all_ws(store ? ret : null);
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if (!consume(OTHER, ",")) return ret;
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var nxt = argument(store ? ret : null) || error("Trailing comma in arguments list");
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ret.push(nxt);
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}
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};
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var type_pair = function () {
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all_ws();
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var k = type();
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if (!k) return;
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all_ws()
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if (!consume(OTHER, ",")) return;
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all_ws();
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var v = type();
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if (!v) return;
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return [k, v];
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};
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var simple_extended_attr = function (store) {
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all_ws();
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var name = consume(ID);
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if (!name) return;
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var ret = {
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name: name.value
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, "arguments": null
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};
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all_ws();
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var eq = consume(OTHER, "=");
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if (eq) {
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all_ws();
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ret.rhs = consume(ID);
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if (!ret.rhs) return error("No right hand side to extended attribute assignment");
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}
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all_ws();
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if (consume(OTHER, "(")) {
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var args, pair;
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// [Constructor(DOMString str)]
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if (args = argument_list(store)) {
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ret["arguments"] = args;
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}
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// [MapClass(DOMString, DOMString)]
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else if (pair = type_pair()) {
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ret.typePair = pair;
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}
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// [Constructor()]
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else {
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ret["arguments"] = [];
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}
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all_ws();
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consume(OTHER, ")") || error("Unexpected token in extended attribute argument list or type pair");
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}
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return ret;
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};
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// Note: we parse something simpler than the official syntax. It's all that ever
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// seems to be used
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var extended_attrs = function (store) {
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var eas = [];
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all_ws(store);
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if (!consume(OTHER, "[")) return eas;
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eas[0] = simple_extended_attr(store) || error("Extended attribute with not content");
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all_ws();
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while (consume(OTHER, ",")) {
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eas.push(simple_extended_attr(store) || error("Trailing comma in extended attribute"));
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all_ws();
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}
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consume(OTHER, "]") || error("No end of extended attribute");
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return eas;
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};
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var default_ = function () {
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all_ws();
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if (consume(OTHER, "=")) {
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all_ws();
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var def = const_value();
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if (def) {
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return def;
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}
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else {
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var str = consume(STR) || error("No value for default");
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str.value = str.value.replace(/^"/, "").replace(/"$/, "");
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return str;
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}
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}
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};
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var const_ = function (store) {
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all_ws(store, "pea");
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if (!consume(ID, "const")) return;
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var ret = { type: "const", nullable: false };
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all_ws();
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var typ = primitive_type();
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if (!typ) {
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typ = consume(ID) || error("No type for const");
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typ = typ.value;
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}
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ret.idlType = typ;
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all_ws();
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if (consume(OTHER, "?")) {
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ret.nullable = true;
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all_ws();
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}
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var name = consume(ID) || error("No name for const");
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ret.name = name.value;
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all_ws();
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consume(OTHER, "=") || error("No value assignment for const");
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all_ws();
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var cnt = const_value();
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if (cnt) ret.value = cnt;
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else error("No value for const");
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all_ws();
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consume(OTHER, ";") || error("Unterminated const");
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return ret;
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};
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var inheritance = function () {
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all_ws();
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if (consume(OTHER, ":")) {
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all_ws();
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var inh = consume(ID) || error ("No type in inheritance");
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return inh.value;
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}
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};
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var operation_rest = function (ret, store) {
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all_ws();
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if (!ret) ret = {};
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var name = consume(ID);
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ret.name = name ? name.value : null;
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all_ws();
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consume(OTHER, "(") || error("Invalid operation");
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ret["arguments"] = argument_list(store) || [];
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all_ws();
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consume(OTHER, ")") || error("Unterminated operation");
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all_ws();
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consume(OTHER, ";") || error("Unterminated operation");
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return ret;
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};
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var callback = function (store) {
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all_ws(store, "pea");
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var ret;
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if (!consume(ID, "callback")) return;
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all_ws();
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var tok = consume(ID, "interface");
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if (tok) {
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tokens.unshift(tok);
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ret = interface_();
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ret.type = "callback interface";
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return ret;
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}
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var name = consume(ID) || error("No name for callback");
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ret = { type: "callback", name: name.value };
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all_ws();
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consume(OTHER, "=") || error("No assignment in callback");
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all_ws();
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ret.idlType = return_type();
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all_ws();
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consume(OTHER, "(") || error("No arguments in callback");
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ret["arguments"] = argument_list(store) || [];
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all_ws();
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consume(OTHER, ")") || error("Unterminated callback");
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all_ws();
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consume(OTHER, ";") || error("Unterminated callback");
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return ret;
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};
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var attribute = function (store) {
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all_ws(store, "pea");
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var grabbed = []
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, ret = {
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type: "attribute"
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, "static": false
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, stringifier: false
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, inherit: false
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, readonly: false
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};
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if (consume(ID, "static")) {
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ret["static"] = true;
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grabbed.push(last_token);
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}
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else if (consume(ID, "stringifier")) {
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ret.stringifier = true;
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grabbed.push(last_token);
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}
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var w = all_ws();
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if (w) grabbed.push(w);
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if (consume(ID, "inherit")) {
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if (ret["static"] || ret.stringifier) error("Cannot have a static or stringifier inherit");
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ret.inherit = true;
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grabbed.push(last_token);
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var w = all_ws();
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if (w) grabbed.push(w);
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}
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if (consume(ID, "readonly")) {
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ret.readonly = true;
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grabbed.push(last_token);
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var w = all_ws();
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if (w) grabbed.push(w);
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}
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if (!consume(ID, "attribute")) {
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tokens = grabbed.concat(tokens);
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return;
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}
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all_ws();
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ret.idlType = type() || error("No type in attribute");
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if (ret.idlType.sequence) error("Attributes cannot accept sequence types");
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all_ws();
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var name = consume(ID) || error("No name in attribute");
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ret.name = name.value;
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all_ws();
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consume(OTHER, ";") || error("Unterminated attribute");
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return ret;
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};
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var return_type = function () {
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var typ = type();
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if (!typ) {
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if (consume(ID, "void")) {
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return "void";
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}
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else error("No return type");
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}
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return typ;
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};
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var operation = function (store) {
|
|
all_ws(store, "pea");
|
|
var ret = {
|
|
type: "operation"
|
|
, getter: false
|
|
, setter: false
|
|
, creator: false
|
|
, deleter: false
|
|
, legacycaller: false
|
|
, "static": false
|
|
, stringifier: false
|
|
};
|
|
while (true) {
|
|
all_ws();
|
|
if (consume(ID, "getter")) ret.getter = true;
|
|
else if (consume(ID, "setter")) ret.setter = true;
|
|
else if (consume(ID, "creator")) ret.creator = true;
|
|
else if (consume(ID, "deleter")) ret.deleter = true;
|
|
else if (consume(ID, "legacycaller")) ret.legacycaller = true;
|
|
else break;
|
|
}
|
|
if (ret.getter || ret.setter || ret.creator || ret.deleter || ret.legacycaller) {
|
|
all_ws();
|
|
ret.idlType = return_type();
|
|
operation_rest(ret, store);
|
|
return ret;
|
|
}
|
|
if (consume(ID, "static")) {
|
|
ret["static"] = true;
|
|
ret.idlType = return_type();
|
|
operation_rest(ret, store);
|
|
return ret;
|
|
}
|
|
else if (consume(ID, "stringifier")) {
|
|
ret.stringifier = true;
|
|
all_ws();
|
|
if (consume(OTHER, ";")) return ret;
|
|
ret.idlType = return_type();
|
|
operation_rest(ret, store);
|
|
return ret;
|
|
}
|
|
ret.idlType = return_type();
|
|
all_ws();
|
|
if (consume(ID, "iterator")) {
|
|
all_ws();
|
|
ret.type = "iterator";
|
|
if (consume(ID, "object")) {
|
|
ret.iteratorObject = "object";
|
|
}
|
|
else if (consume(OTHER, "=")) {
|
|
all_ws();
|
|
var name = consume(ID) || error("No right hand side in iterator");
|
|
ret.iteratorObject = name.value;
|
|
}
|
|
all_ws();
|
|
consume(OTHER, ";") || error("Unterminated iterator");
|
|
return ret;
|
|
}
|
|
else {
|
|
operation_rest(ret, store);
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
var identifiers = function (arr) {
|
|
while (true) {
|
|
all_ws();
|
|
if (consume(OTHER, ",")) {
|
|
all_ws();
|
|
var name = consume(ID) || error("Trailing comma in identifiers list");
|
|
arr.push(name.value);
|
|
}
|
|
else break;
|
|
}
|
|
};
|
|
|
|
var serialiser = function (store) {
|
|
all_ws(store, "pea");
|
|
if (!consume(ID, "serializer")) return;
|
|
var ret = { type: "serializer" };
|
|
all_ws();
|
|
if (consume(OTHER, "=")) {
|
|
all_ws();
|
|
if (consume(OTHER, "{")) {
|
|
ret.patternMap = true;
|
|
all_ws();
|
|
var id = consume(ID);
|
|
if (id && id.value === "getter") {
|
|
ret.names = ["getter"];
|
|
}
|
|
else if (id && id.value === "inherit") {
|
|
ret.names = ["inherit"];
|
|
identifiers(ret.names);
|
|
}
|
|
else if (id) {
|
|
ret.names = [id.value];
|
|
identifiers(ret.names);
|
|
}
|
|
else {
|
|
ret.names = [];
|
|
}
|
|
all_ws();
|
|
consume(OTHER, "}") || error("Unterminated serializer pattern map");
|
|
}
|
|
else if (consume(OTHER, "[")) {
|
|
ret.patternList = true;
|
|
all_ws();
|
|
var id = consume(ID);
|
|
if (id && id.value === "getter") {
|
|
ret.names = ["getter"];
|
|
}
|
|
else if (id) {
|
|
ret.names = [id.value];
|
|
identifiers(ret.names);
|
|
}
|
|
else {
|
|
ret.names = [];
|
|
}
|
|
all_ws();
|
|
consume(OTHER, "]") || error("Unterminated serializer pattern list");
|
|
}
|
|
else {
|
|
var name = consume(ID) || error("Invalid serializer");
|
|
ret.name = name.value;
|
|
}
|
|
all_ws();
|
|
consume(OTHER, ";") || error("Unterminated serializer");
|
|
return ret;
|
|
}
|
|
else if (consume(OTHER, ";")) {
|
|
// noop, just parsing
|
|
}
|
|
else {
|
|
ret.idlType = return_type();
|
|
all_ws();
|
|
ret.operation = operation_rest(null, store);
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
var interface_ = function (isPartial, store) {
|
|
all_ws(isPartial ? null : store, "pea");
|
|
if (!consume(ID, "interface")) return;
|
|
all_ws();
|
|
var name = consume(ID) || error("No name for interface");
|
|
var mems = []
|
|
, ret = {
|
|
type: "interface"
|
|
, name: name.value
|
|
, partial: false
|
|
, members: mems
|
|
};
|
|
if (!isPartial) ret.inheritance = inheritance() || null;
|
|
all_ws();
|
|
consume(OTHER, "{") || error("Bodyless interface");
|
|
while (true) {
|
|
all_ws(store ? mems : null);
|
|
if (consume(OTHER, "}")) {
|
|
all_ws();
|
|
consume(OTHER, ";") || error("Missing semicolon after interface");
|
|
return ret;
|
|
}
|
|
var ea = extended_attrs(store ? mems : null);
|
|
all_ws();
|
|
var cnt = const_(store ? mems : null);
|
|
if (cnt) {
|
|
cnt.extAttrs = ea;
|
|
ret.members.push(cnt);
|
|
continue;
|
|
}
|
|
var mem = serialiser(store ? mems : null) ||
|
|
attribute(store ? mems : null) ||
|
|
operation(store ? mems : null) ||
|
|
error("Unknown member");
|
|
mem.extAttrs = ea;
|
|
ret.members.push(mem);
|
|
}
|
|
};
|
|
|
|
var partial = function (store) {
|
|
all_ws(store, "pea");
|
|
if (!consume(ID, "partial")) return;
|
|
var thing = dictionary(true, store) ||
|
|
interface_(true, store) ||
|
|
error("Partial doesn't apply to anything");
|
|
thing.partial = true;
|
|
return thing;
|
|
};
|
|
|
|
var dictionary = function (isPartial, store) {
|
|
all_ws(isPartial ? null : store, "pea");
|
|
if (!consume(ID, "dictionary")) return;
|
|
all_ws();
|
|
var name = consume(ID) || error("No name for dictionary");
|
|
var mems = []
|
|
, ret = {
|
|
type: "dictionary"
|
|
, name: name.value
|
|
, partial: false
|
|
, members: mems
|
|
};
|
|
if (!isPartial) ret.inheritance = inheritance() || null;
|
|
all_ws();
|
|
consume(OTHER, "{") || error("Bodyless dictionary");
|
|
while (true) {
|
|
all_ws(store ? mems : null);
|
|
if (consume(OTHER, "}")) {
|
|
all_ws();
|
|
consume(OTHER, ";") || error("Missing semicolon after dictionary");
|
|
return ret;
|
|
}
|
|
var ea = extended_attrs(store ? mems : null);
|
|
all_ws(store ? mems : null, "pea");
|
|
var typ = type() || error("No type for dictionary member");
|
|
all_ws();
|
|
var name = consume(ID) || error("No name for dictionary member");
|
|
ret.members.push({
|
|
type: "field"
|
|
, name: name.value
|
|
, idlType: typ
|
|
, extAttrs: ea
|
|
, "default": default_()
|
|
});
|
|
all_ws();
|
|
consume(OTHER, ";") || error("Unterminated dictionary member");
|
|
}
|
|
};
|
|
|
|
var exception = function (store) {
|
|
all_ws(store, "pea");
|
|
if (!consume(ID, "exception")) return;
|
|
all_ws();
|
|
var name = consume(ID) || error("No name for exception");
|
|
var mems = []
|
|
, ret = {
|
|
type: "exception"
|
|
, name: name.value
|
|
, members: mems
|
|
};
|
|
ret.inheritance = inheritance() || null;
|
|
all_ws();
|
|
consume(OTHER, "{") || error("Bodyless exception");
|
|
while (true) {
|
|
all_ws(store ? mems : null);
|
|
if (consume(OTHER, "}")) {
|
|
all_ws();
|
|
consume(OTHER, ";") || error("Missing semicolon after exception");
|
|
return ret;
|
|
}
|
|
var ea = extended_attrs(store ? mems : null);
|
|
all_ws(store ? mems : null, "pea");
|
|
var cnt = const_();
|
|
if (cnt) {
|
|
cnt.extAttrs = ea;
|
|
ret.members.push(cnt);
|
|
}
|
|
else {
|
|
var typ = type();
|
|
all_ws();
|
|
var name = consume(ID);
|
|
all_ws();
|
|
if (!typ || !name || !consume(OTHER, ";")) error("Unknown member in exception body");
|
|
ret.members.push({
|
|
type: "field"
|
|
, name: name.value
|
|
, idlType: typ
|
|
, extAttrs: ea
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
var enum_ = function (store) {
|
|
all_ws(store, "pea");
|
|
if (!consume(ID, "enum")) return;
|
|
all_ws();
|
|
var name = consume(ID) || error("No name for enum");
|
|
var vals = []
|
|
, ret = {
|
|
type: "enum"
|
|
, name: name.value
|
|
, values: vals
|
|
};
|
|
all_ws();
|
|
consume(OTHER, "{") || error("No curly for enum");
|
|
var saw_comma = false;
|
|
while (true) {
|
|
all_ws(store ? vals : null);
|
|
if (consume(OTHER, "}")) {
|
|
all_ws();
|
|
if (saw_comma) error("Trailing comma in enum");
|
|
consume(OTHER, ";") || error("No semicolon after enum");
|
|
return ret;
|
|
}
|
|
var val = consume(STR) || error("Unexpected value in enum");
|
|
ret.values.push(val.value.replace(/"/g, ""));
|
|
all_ws(store ? vals : null);
|
|
if (consume(OTHER, ",")) {
|
|
if (store) vals.push({ type: "," });
|
|
all_ws(store ? vals : null);
|
|
saw_comma = true;
|
|
}
|
|
else {
|
|
saw_comma = false;
|
|
}
|
|
}
|
|
};
|
|
|
|
var typedef = function (store) {
|
|
all_ws(store, "pea");
|
|
if (!consume(ID, "typedef")) return;
|
|
var ret = {
|
|
type: "typedef"
|
|
};
|
|
all_ws();
|
|
ret.typeExtAttrs = extended_attrs();
|
|
all_ws(store, "tpea");
|
|
ret.idlType = type() || error("No type in typedef");
|
|
all_ws();
|
|
var name = consume(ID) || error("No name in typedef");
|
|
ret.name = name.value;
|
|
all_ws();
|
|
consume(OTHER, ";") || error("Unterminated typedef");
|
|
return ret;
|
|
};
|
|
|
|
var implements_ = function (store) {
|
|
all_ws(store, "pea");
|
|
var target = consume(ID);
|
|
if (!target) return;
|
|
var w = all_ws();
|
|
if (consume(ID, "implements")) {
|
|
var ret = {
|
|
type: "implements"
|
|
, target: target.value
|
|
};
|
|
all_ws();
|
|
var imp = consume(ID) || error("Incomplete implements statement");
|
|
ret["implements"] = imp.value;
|
|
all_ws();
|
|
consume(OTHER, ";") || error("No terminating ; for implements statement");
|
|
return ret;
|
|
}
|
|
else {
|
|
// rollback
|
|
tokens.unshift(w);
|
|
tokens.unshift(target);
|
|
}
|
|
};
|
|
|
|
var definition = function (store) {
|
|
return callback(store) ||
|
|
interface_(false, store) ||
|
|
partial(store) ||
|
|
dictionary(false, store) ||
|
|
exception(store) ||
|
|
enum_(store) ||
|
|
typedef(store) ||
|
|
implements_(store)
|
|
;
|
|
};
|
|
|
|
var definitions = function (store) {
|
|
if (!tokens.length) return [];
|
|
var defs = [];
|
|
while (true) {
|
|
var ea = extended_attrs(store ? defs : null)
|
|
, def = definition(store ? defs : null);
|
|
if (!def) {
|
|
if (ea.length) error("Stray extended attributes");
|
|
break;
|
|
}
|
|
def.extAttrs = ea;
|
|
defs.push(def);
|
|
}
|
|
return defs;
|
|
};
|
|
var res = definitions(opt.ws);
|
|
if (tokens.length) error("Unrecognised tokens");
|
|
return res;
|
|
};
|
|
|
|
var inNode = typeof module !== "undefined" && module.exports
|
|
, obj = {
|
|
parse: function (str, opt) {
|
|
if (!opt) opt = {};
|
|
var tokens = tokenise(str);
|
|
return parse(tokens, opt);
|
|
}
|
|
};
|
|
|
|
if (inNode) module.exports = obj;
|
|
else self.WebIDL2 = obj;
|
|
}());
|