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* String equality tests should take the context into account. All the

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evaluation test cases now succeed.
This commit is contained in:
Eelco Dolstra 2010-04-22 09:54:11 +00:00
parent 6bbfe95e30
commit 2d7636529f
2 changed files with 12 additions and 4 deletions
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14
src/libexpr/eval.cc
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@ -1019,9 +1019,17 @@ bool EvalState::eqValues(Value & v1, Value & v2)
case tBool:
return v1.boolean == v2.boolean;
case tString:
/* !!! contexts */
return strcmp(v1.string.s, v2.string.s) == 0;
case tString: {
/* Compare both the string and its context. */
if (strcmp(v1.string.s, v2.string.s) != 0) return false;
const char * * p = v1.string.context, * * q = v2.string.context;
if (!p && !q) return true;
if (!p || !q) return false;
for ( ; *p && *q; ++p, ++q)
if (strcmp(*p, *q) != 0) return false;
if (*p || *q) return false;
return true;
}
case tPath:
return strcmp(v1.path, v2.path) == 0;

2
src/libexpr/eval.hh
View file

@ -69,7 +69,7 @@ struct Value
For canonicity, the store paths should be in sorted order. */
struct {
const char * s;
const char * * context;
const char * * context; // must be in sorted order
} string;
const char * path;