By David R. Hanson
This new textual content examines the layout and implementation of Icc, a production-quality, retargetable compiler, designed at AT&T Bell Laboratories and Princeton college for the ANSI c language. The authors' cutting edge technique - a "literate software" that intermingles the textual content with the resource code - provides an in depth travel of the code that explains the implementation and layout judgements mirrored within the software program. And whereas so much books describe toy compilers or specialise in remoted items of code, the authors have made to be had the total resource code for a true compiler. dependent as a self-study consultant that describes the real-world tradeoffs encountered in construction a production-quality compiler, A Retargetable C Compiler is usually invaluable to people who paintings in program parts utilizing or growing language-based instruments and methods. good points: discusses the implementation and layout tradeoffs made whereas developing a true ANSI C compiler, illustrating the interplay among thought and perform; covers compiler idea merely as had to comprehend the implementation of Icc, focusing as an alternative on functional, utilized matters; encourages a deeper realizing of programming in C, by way of delivering C programmers with a travel of the language from the viewpoint of compiler authors; contains insurance of code turbines for the MIPS R3000, SPARC, and Intel 386 and its successors; and gives entry to the whole resource code for the Icc compiler, the 3 again ends, and the code-generator generator, both on disk or through FTP.
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Extra info for A Retargetable C Compiler Design and Implementation
Measure the performance of the arena-based algorithm against ma11 oc and free as implemented in the previous exercise. , so that it calls a 11 ocate only when there isn't enough space in the arena. Measure the benefit. You'll need to export the arena data structures to implement inline allocation. 4 When a 11 ocate creates a new block, there's a good chance that this block is adjacent to the previous one for the arena and that they can be merged into one larger block. Implement this and measure the improvement.
1 cc compiling itself is a reasonable benchmark. Measure the performance of the arena-based algorithm against ma11 oc and free as implemented in the previous exercise. , so that it calls a 11 ocate only when there isn't enough space in the arena. Measure the benefit. You'll need to export the arena data structures to implement inline allocation. 4 When a 11 ocate creates a new block, there's a good chance that this block is adjacent to the previous one for the arena and that they can be merged into one larger block.
37 39 The file field is the name of the file that contains the definition, and y and x give the line number and character position within that line at which the definition occurs. 2 •REPRESENTING SYMBOL TABLES 39 The up field chains together all symbols in a symbol table, starting with the last one installed. Traversing up this chain reveals all of the symbols that are in scope at the time of the traversal, as well as those hidden by declarations of the same identifiers in nested scopes. This facility may help back ends emit debugger symbol-table information, for example.
A Retargetable C Compiler Design and Implementation by David R. Hanson