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81 lines
2.2 KiB
81 lines
2.2 KiB
4 months ago
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/* Test Infrastructure */
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function loadFile(fileName, encoding) {
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var f = new java.io.File(fileName),
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size = f.length(),
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isr,
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fis = new java.io.FileInputStream(f);
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if (encoding) {
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isr = new java.io.InputStreamReader(fis, encoding);
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} else {
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isr = new java.io.InputStreamReader(fis);
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}
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/* Should use the ternary version of isr.read here, but can't figure
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* out how to create a Java char array from JS. . .
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* @todo
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*/
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var charCode, data=[];
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while ((charCode = isr.read()) >= 0) {
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data.push(String.fromCharCode(charCode));
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}
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return data.join("");
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}
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eval(loadFile("../../lib/antlr3-all.js"));
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eval(loadFile("../../lib/antlr3-cli.js"));
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eval(loadFile("PythonLexer.js"));
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eval(loadFile("PythonParser.js"));
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eval(loadFile("rhino-python.extensions"));
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/* Parser Extensions */
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var output = [];
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function xlog(msg) {
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output.push(msg);
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}
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function MyLexer() {
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MyLexer.superclass.constructor.apply(this, arguments);
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}
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ANTLR.lang.extend(MyLexer, PythonLexer, {
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nextToken: function() {
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// keep track of this token's position in line because Python is
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// whitespace sensitive
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this.startPos = this.getCharPositionInLine();
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return MyLexer.superclass.nextToken.call(this);
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}
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});
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MyLexer.prototype.emitErrorMessage = function(msg) {xlog(msg);}
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PythonParser.prototype.emitErrorMessage = function(msg) {xlog(msg);}
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/* Test */
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function parse(text) {
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try {
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var input = new ANTLR.runtime.ANTLRStringStream(text);
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var lexer = new MyLexer(input);
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var tokens = new ANTLR.runtime.CommonTokenStream(lexer);
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tokens.discardOffChannelTokens=true;
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var indentedSource = new PythonTokenSource(tokens);
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tokens = new ANTLR.runtime.CommonTokenStream(indentedSource);
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var parser = new PythonParser(tokens);
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parser.file_input();
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} catch (e) {
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xlog(e.toString());
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} finally {
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}
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}
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var input = loadFile("rhino-python.input");
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var expected = loadFile("rhino-python.output");
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parse(input);
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var actual = output.join("\n")+"\n";
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if (actual==expected) {
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print("Test Passed!");
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} else {
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print("Test Failed!");
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print(actual);
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print(expected);
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}
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