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Alphanumeric Calculator: GNU Bison Specification

Posted 10-01-2021 at 08:34 PM by astrogeek
Updated 10-07-2021 at 02:34 PM by astrogeek (Rev. 3 source / typo)

This post is Part 4 of the Alphanumeric Calculator program group.

Note: This is Rev. 3 Bison version and requires Rev. 3 Flex version.

Copy the code below into a file named alphacalc.y in your local build directory for this project, the same directory where Makefile and alphacalc.l are located.

I wrote this version using GNU Bison 3.7.6 and gcc 10.3 on a Slackware -current platform, but it should work using any not-too-old Bison with one small change...
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Old

Alphanumeric Calculator: Flex Specification

Posted 10-01-2021 at 08:29 PM by astrogeek
Updated 10-07-2021 at 02:47 AM by astrogeek (Rev. 3 source)

This post is Part 3 of the Alphanumeric Calculator program group.

Note: This is Rev. 3 version and works with Rev. 3 Bison specification.

Copy the code below into a file named alphacalc.l in your build directory for this project where Makefile and alphacalc.y are located.

This is the specification file for a Flex generated lexical analyzer, also called a lexer or scanner.

A brief description of the file contents follows, but if you are...
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Views 202 Comments 0 astrogeek is offline
Old

Alphanumeric Calculator: Makefile

Posted 10-01-2021 at 08:29 PM by astrogeek
Updated 10-03-2021 at 01:45 PM by astrogeek (meh... tpoys)

This post is Part 2 of the Alphanumeric Calculator program group.

Copy the code below into a file named Makefile in your local build directory for this project, the same directory where alphacalc.l and alphacalc.y are located.

Read and follow comment about TABs at top of the file.

I have it configured to build with gcc and -std=c17, although this project does not use any features specific to the c17 standard. If you use a different compiler or an older gcc...
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Views 170 Comments 0 astrogeek is offline
Old

Alphanumeric Calculator: The Source

Posted 10-01-2021 at 08:28 PM by astrogeek
Updated 10-12-2021 at 12:52 PM by astrogeek (Test cases, rearrange page)

Alphanumeric Calculator: The Source

To make it easy to find the source code I have moved the links to the top, along with links to test cases for my code and your build! You will find a brief discussion of the origins of this project below, as well as instructions for building and running the program.

The Source Code

Two source files and a Makefile are all that is required to build this project. Follow each of the links below to copy/paste the source...
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