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-O gen-C++ support for pattern-to-pattern comparison

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This commit is contained in:
Vern Paxson 2025-03-07 10:32:15 -08:00
parent f48f3af79a
commit e1a859c31b
1 changed files with 17 additions and 4 deletions
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21
src/script_opt/CPP/Exprs.cc
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@ -998,10 +998,23 @@ string CPPCompile::GenEQ(const Expr* e, GenType gt, const char* op, const char*
auto tag = op1->GetType()->Tag();
string negated(e->Tag() == EXPR_EQ ? "" : "! ");
if ( tag == TYPE_PATTERN )
return NativeToGT(negated + GenExpr(op1, GEN_DONT_CARE) + "->MatchExactly(" + GenExpr(op2, GEN_DONT_CARE) +
"->AsString())",
e->GetType(), gt);
if ( tag == TYPE_PATTERN ) {
auto gen1 = GenExpr(op1, GEN_DONT_CARE);
auto gen2 = GenExpr(op2, GEN_DONT_CARE);
string gen;
if ( op2->GetType()->Tag() == TYPE_PATTERN ) {
gen1 += "->AsPattern()->PatternText()";
gen2 += "->AsPattern()->PatternText()";
gen = "(strcmp(" + gen1 + ", " + gen2 + ") == 0)";
}
else
gen = gen1 + "->MatchExactly(" + gen2 + "->AsString())";
return NativeToGT(negated + gen, e->GetType(), gt);
}
if ( tag == TYPE_FUNC ) {
auto gen_f1 = GenExpr(op1, GEN_DONT_CARE);