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dtc: cpp co-existence: add support for #line directives

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Line control directives of the following formats are supported:
    #line LINE "FILE"
    # LINE "FILE" [FLAGS]

This allows dtc to consume the output of pre-processors, and to provide
error messages that refer to the original filename, including taking
into account any #include directives that the pre-processor may have
performed.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stephen Warren 2012-09-27 17:11:05 -06:00 • committed by Jon Loeliger
parent 1ff3d3f8de
commit 1b6d1941dc
5 changed files with 42 additions and 0 deletions
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2
srcpos.h
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@ -113,4 +113,6 @@ extern void srcpos_error(struct srcpos *pos, char const *, ...)
extern void srcpos_warn(struct srcpos *pos, char const *, ...)
__attribute__((format(printf, 2, 3)));
extern void srcpos_set_line(char *f, int l);
#endif /* _SRCPOS_H_ */