2012年9月24日

摘要： 4.7 More Powerful LR ParsersIn this section, we shall extend the previous LR parsing techniques to use one symbol of lookahead on the input. There are... 阅读全文

摘要： 4.6.5 Viable PrefixesWhy can LR(0) automata be used to make shift-reduce decisions? The LR(0) automaton for a grammar characterizes the strings of gra... 阅读全文

摘要： 4.6.4 Constructing SLR-Parsing TablesThe SLR method for constructing parsing tables is a good starting point for studying LR parsing. We shall refer t... 阅读全文

摘要： 4.6.3 The LR-Parsing AlgorithmA schematic of an LR parser is shown in Fig. 4.35. It consists of an input, an output, a stack, a driver program, and a ... 阅读全文

摘要： 4.6 Introduction to LR Parsing: Simple LRThe most prevalent type of bottom-up parser today is based on a concept called LR(k) parsing; the "L" is for ... 阅读全文

摘要： 4.5 Bottom-Up ParsingA bottom-up parse corresponds to the construction of a parse tree for an input string beginning at the leaves (the bottom) and wo... 阅读全文