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130 lines
5.1 KiB
130 lines
5.1 KiB
4 months ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html;charset=utf-8" />
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<title>t047treeparser</title>
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<!-- ANTLR includes -->
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<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
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<script type="text/javascript" src="t047treeparserLexer.js"></script>
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<script type="text/javascript" src="t047treeparserParser.js"></script>
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<script type="text/javascript" src="t047treeparserWalker.js"></script>
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<!-- JsUnit include -->
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<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>
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<!-- Test Code -->
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<script type="text/javascript">
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var TLexer = function() {
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TLexer.superclass.constructor.apply(this, arguments);
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};
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org.antlr.lang.extend(TLexer, t047treeparserLexer, {
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reportError: function(re) {
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throw re;
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}
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});
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var TParser = function() {
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TParser.superclass.constructor.apply(this, arguments);
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};
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org.antlr.lang.extend(TParser, t047treeparserParser, {
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recover: function(re) {
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throw new PrivateError(re);
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}
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});
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var TWalker = function() {
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TWalker.superclass.constructor.apply(this, arguments);
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this.traces = [];
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};
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org.antlr.lang.extend(TWalker, t047treeparserWalker, {
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recover: function(re) {
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throw new PrivateError(re);
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},
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traceIn: function(ruleName, ruleIndex) {
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this.traces.push(">"+ruleName);
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},
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traceOut: function(ruleName, ruleIndex) {
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this.traces.push("<"+ruleName);
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}
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});
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function testWalker() {
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var xinput = [
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"char c;",
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"int x;",
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"",
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"void bar(int x);",
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"",
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"int foo(int y, char d) {",
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" int i;",
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" for (i=0; i<3; i=i+1) {",
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" x=3;",
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" y=5;",
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" }",
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"}"
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].join("\n"),
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xoutput = "(VAR_DEF char c) (VAR_DEF int x) (FUNC_DECL (FUNC_HDR void bar (ARG_DEF int x))) (FUNC_DEF (FUNC_HDR int foo (ARG_DEF int y) (ARG_DEF char d)) (BLOCK (VAR_DEF int i) (for (= i 0) (< i 3) (= i (+ i 1)) (BLOCK (= x 3) (= y 5)))))",
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traces = [
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'>program', '>declaration', '>variable', '>type', '<type',
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'>declarator', '<declarator', '<variable', '<declaration',
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'>declaration', '>variable', '>type', '<type', '>declarator',
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'<declarator', '<variable', '<declaration', '>declaration',
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'>functionHeader', '>type', '<type', '>formalParameter',
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'>type', '<type', '>declarator', '<declarator',
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'<formalParameter', '<functionHeader', '<declaration',
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'>declaration', '>functionHeader', '>type', '<type',
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'>formalParameter', '>type', '<type', '>declarator',
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'<declarator', '<formalParameter', '>formalParameter', '>type',
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'<type', '>declarator', '<declarator', '<formalParameter',
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'<functionHeader', '>block', '>variable', '>type', '<type',
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'>declarator', '<declarator', '<variable', '>stat', '>forStat',
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'>expr', '>expr', '>atom', '<atom', '<expr', '<expr', '>expr',
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'>expr', '>atom', '<atom', '<expr', '>expr', '>atom', '<atom',
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'<expr', '<expr', '>expr', '>expr', '>expr', '>atom', '<atom',
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'<expr', '>expr', '>atom', '<atom', '<expr', '<expr', '<expr',
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'>block', '>stat', '>expr', '>expr', '>atom', '<atom', '<expr',
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'<expr', '<stat', '>stat', '>expr', '>expr', '>atom', '<atom',
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'<expr', '<expr', '<stat', '<block', '<forStat', '<stat',
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'<block', '<declaration', '<program'
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];
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var cstream = new org.antlr.runtime.ANTLRStringStream(xinput),
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lexer = new TLexer(cstream),
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tstream = new org.antlr.runtime.CommonTokenStream(lexer),
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parser = new TParser(tstream);
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var r = parser.program();
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assertEquals(r.getTree().toStringTree(), xoutput);
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var nodes = new org.antlr.runtime.tree.CommonTreeNodeStream(r.getTree());
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nodes.setTokenStream(tstream);
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var walker = new TWalker(nodes);
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walker.program();
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assertArrayEquals(walker.traces, traces);
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}
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function testRuleLabelPropertyRefText() {
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var cstream = new org.antlr.runtime.ANTLRStringStream("\nchar c;\n"),
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lexer = new TLexer(cstream),
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tstream = new org.antlr.runtime.CommonTokenStream(lexer),
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parser = new TParser(tstream),
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r = parser.variable();
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var nodes = new org.antlr.runtime.tree.CommonTreeNodeStream(r.getTree());
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nodes.setTokenStream(tstream);
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var walker = new TWalker(nodes);
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r = walker.variable();
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assertEquals(r, 'c');
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}
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</script>
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</head>
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<body>
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<h1>t047treeparser</h1>
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</body>
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</html>
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