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godefs: fix handling of negative constants

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R=r
CC=golang-dev
https://golang.org/cl/849041
This commit is contained in:
Russ Cox 2010-03-30 10:42:13 -07:00
parent 00f9f0c056
commit 5b257732ac
1 changed files with 8 additions and 2 deletions
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10
src/cmd/godefs/main.c
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@ -294,8 +294,14 @@ Continue:
Bprint(bout, "// Constants\n"); Bprint(bout, "// Constants\n");
if(ncon > 0) { if(ncon > 0) {
Bprint(bout, lang->constbegin); Bprint(bout, lang->constbegin);
for(i=0; i<ncon; i++) for(i=0; i<ncon; i++) {
Bprint(bout, lang->constfmt, con[i].name, con[i].value & 0xFFFFFFFF); // Go can handle negative constants,
// but C enums may not be able to.
if(lang == &go)
Bprint(bout, lang->constfmt, con[i].name, con[i].value);
else
Bprint(bout, lang->constfmt, con[i].name, con[i].value & 0xFFFFFFFF);
}
Bprint(bout, lang->constend); Bprint(bout, lang->constend);
} }
Bprint(bout, "\n"); Bprint(bout, "\n");