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| From | Hans-Peter Diettrich <DrDiettrich1@aol.com> |
| Newsgroups | comp.compilers |
| Subject | Re: Trouble implementing a standard library -- Calling C functions from within my language |
| Date | Thu, 20 Mar 2014 03:37:23 +0100 |
| Organization | Compilers Central |
| Lines | 22 |
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| Keywords | design |
| Posted-Date | 19 Mar 2014 23:40:14 EDT |
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| Xref | csiph.com comp.compilers:1172 |
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noitalmost schrieb:
> And then have
> class CCall : public Expr
> {
> CCall(string name, vector<Expr*> params);
> string genC();
> ...
> }
>
> where, Expr is a AstNode. But CCall::genC() would be a really
> complicated list of special cases.
Right now I see a problem with Expr (lval), when the C function
expects an pointer (rval). This should be handled at least for
variables, i.e. Expr should include an hint on whether it *is* an
lval. When you produce C code, your data types already should match
the C definitions, else another transformation may be required for
passing parameters back and forth. All that should be built into Expr,
or a DataType member of Expr.
DoDi
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Trouble implementing a standard library -- Calling C functions from within my language noitalmost <noitalmost@cox.net> - 2014-03-19 18:28 -0400 Re: Trouble implementing a standard library -- Calling C functions from within my language Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2014-03-20 03:37 +0100 Re: Trouble implementing a standard library -- Calling C functions from within my language alexfrunews@gmail.com - 2014-03-19 21:41 -0700 Re: Trouble implementing a standard library -- Calling C functions from within my language noitalmost <noitalmost@cox.net> - 2014-03-21 14:49 -0400
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