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javascript Programming Glossary: peeknexttokenGenerate syntax tree for simple math operations http://stackoverflow.com/questions/2705727/generate-syntax-tree-for-simple-math-operations Basically you need a tokenizer that provides getNextToken peekNextToken and skipNextToken. Then you work your way down using this structure... else ret nextToken currToken undefined return ret function peekNextToken if currToken currToken nextToken return currToken function skipNextToken.. var left multiplicativeExpression var tok peekNextToken while tok.type TOK_OPERATOR tok.op ' ' tok.op ' ' skipNextToken..
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