Created
December 20, 2012 11:13
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| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <title>WebTurtle/Parser tests</title> | |
| <meta charset="utf-8"> | |
| <script language="javascript" SRC="./js/peg-0.7.0.js"></script> | |
| <script language="peg" id="grammar"> | |
| start | |
| = additive | |
| additive | |
| = left:multiplicative "+" right:additive { return left + right; } | |
| / multiplicative | |
| multiplicative | |
| = left:primary "*" right:multiplicative { return left * right; } | |
| / primary | |
| primary | |
| = integer | |
| / "(" additive:additive ")" { return additive; } | |
| integer "integer" | |
| = digits:[0-9]+ { return parseInt(digits.join(""), 10); } | |
| </script> | |
| </head> | |
| <body> | |
| <script> | |
| var parser = PEG.buildParser(document.getElementById("grammar").innerText); | |
| result = parser.parse("5 + 6"); | |
| document.write("<h1>Out with the old - in with the new!</h1>" ); | |
| document.write(result); | |
| </script> | |
| </body> | |
| </html> |
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