Titlebook: Understanding and Writing Compilers; A do-it-yourself gui Richard Bornat Textbook 1979Latest edition Richard Bornat 1979 ALGOL.Algol 60.Alg

Injunction

Translating Arithmetic Expressionsment — together with the parse tree which describes its structure. It also shows the object code which is the best translation of this expression — ‘best’, that is, if the expression is considered in isolation. The example shows the point from which a compiler-writers’ discussion will start — what t

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Translating Boolean Expressionse an instruction (or a sequence of instructions) to combine the Boolean values. Thus Boolean . and Boolean . operations can be translated using the TranBinOp procedure of chapter 5 with the machine instructions AND and OR. However Boolean expressions more often than not appear as the conditional tes

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侵害

Creating and Using the Symbol Table by the translation phases to convert occurrences of source program names into references to run-time objects. This table is called the . in this book: it is sometimes called a ‘cross-reference table’ a ‘name table’ or an ‘identifier table’. It is used by all the phases from lexical analysis to tran