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First to note there is probably NO complete mapping between Pascal and C (although I'm not sure about it :). You can make a decent translator though<br />
<br />
The way I would go about it, I would parse the Pascal code, make an Abstract Syntax Tree, and generate C code from that.<br />
<br />
For making the AST, the work is usually divided between lexing and parsing. You can use Lex and Yacc for that. There are lex/yacc grammars for several different Pascal versions ...<br />
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In fact, you may want to get the source for a Pascal compiler, like FreePascal (<a href="http://www.freepascal.org/" rel="ugc">http://www.freepascal.org/</a>), and modify only the output phase.<br />
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And a decent book on compiler construction would surely help :)<br />
<br />
Hope this helps
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First to note there is probably NO complete mapping between Pascal and C (although I'm not sure about it :). You can make a decent translator though

The way I would go about it, I would parse the Pascal code, make an Abstract Syntax Tree, and generate C code from that.

For making the AST, the work is usually divided between lexing and parsing. You can use Lex and Yacc for that. There are lex/yacc grammars for several different Pascal versions ...

In fact, you may want to get the source for a Pascal compiler, like FreePascal (http://www.freepascal.org/ [http://www.freepascal.org/]), and modify only the output phase.

And a decent book on compiler construction would surely help :)

Hope this helps

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I need to make my own pascal to c converter. so, what would be the main steps i would have to follow? guidelines and advice needed too.<br />
<br />
P.S. since, this is a project of mine, i'd have to do it myself...i know about Dave Gillespie's p2c.<br />
<br />
Thanks.
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I need to make my own pascal to c converter. so, what would be the main steps i would have to follow? guidelines and advice needed too.

P.S. since, this is a project of mine, i'd have to do it myself...i know about Dave Gillespie's p2c.

Thanks.

Pascal To C converter.

Pascal is an influential imperative and procedural programming language, largely (but not exclusively) intended to teach students structured programming and data structuring. Pasca was implemented on a wide range of architectures, from early PCs to mainframes. Pascal derivatives include OOP-based Object Pascal (used in Delphi and Lazarus/Free Pascal). Pascal is a purely procedural language and includes control statements with reserved words, but has many data structuring facilities and other abstractions like type definitions, records, pointers, enumerations, and sets.