Running Bison to Make the Parser -------------------------------- Before running Bison to produce a parser, we need to decide how to arrange all the source code in one or more source files. For such a simple example, the easiest thing is to put everything in one file. The definitions of `yylex', `yyerror' and `main' go at the end, in the "additional C code" section of the file (Note: The Overall Layout of a Bison Grammar.). For a large project, you would probably have several source files, and use `make' to arrange to recompile them. With all the source in a single file, you use the following command to convert it into a parser file: bison FILE_NAME.y In this example the file was called `rpcalc.y' (for "Reverse Polish CALCulator"). Bison produces a file named `FILE_NAME.tab.c', removing the `.y' from the original file name. The file output by Bison contains the source code for `yyparse'. The additional functions in the input file (`yylex', `yyerror' and `main') are copied verbatim to the output.
Dirfile and infopages generated Sat Dec 3 02:07:54 2005