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Implement !cast.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71794 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene
2009-05-14 21:22:49 +00:00
parent d418c1b768
commit e6c27de069
7 changed files with 248 additions and 157 deletions
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utils/TableGen/TGParser.cpp
+31 -31
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@@ -680,41 +680,41 @@ Init *TGParser::ParseOperation(Record *CurRec) {
TokError("unknown operation");
return 0;
break;
// case tgtok::XCast: { // Value ::= !unop '(' Value ')'
// UnOpInit::UnaryOp Code;
// RecTy *Type = 0;
case tgtok::XCast: { // Value ::= !unop '(' Value ')'
UnOpInit::UnaryOp Code;
RecTy *Type = 0;
// switch (Lex.getCode()) {
// default: assert(0 && "Unhandled code!");
// case tgtok::XCast:
// Lex.Lex(); // eat the operation
// Code = UnOpInit::CAST;
switch (Lex.getCode()) {
default: assert(0 && "Unhandled code!");
case tgtok::XCast:
Lex.Lex(); // eat the operation
Code = UnOpInit::CAST;
// Type = ParseOperatorType();
Type = ParseOperatorType();
// if (Type == 0) {
// TokError("did not get type for binary operator");
// return 0;
// }
if (Type == 0) {
TokError("did not get type for binary operator");
return 0;
}
// break;
// }
// if (Lex.getCode() != tgtok::l_paren) {
// TokError("expected '(' after unary operator");
// return 0;
// }
// Lex.Lex(); // eat the '('
break;
}
if (Lex.getCode() != tgtok::l_paren) {
TokError("expected '(' after unary operator");
return 0;
}
Lex.Lex(); // eat the '('
// Init *LHS = ParseValue(CurRec);
// if (LHS == 0) return 0;
Init *LHS = ParseValue(CurRec);
if (LHS == 0) return 0;
// if (Lex.getCode() != tgtok::r_paren) {
// TokError("expected ')' in unary operator");
// return 0;
// }
// Lex.Lex(); // eat the ')'
// return (new UnOpInit(Code, LHS, Type))->Fold(CurRec, CurMultiClass);
// }
if (Lex.getCode() != tgtok::r_paren) {
TokError("expected ')' in unary operator");
return 0;
}
Lex.Lex(); // eat the ')'
return (new UnOpInit(Code, LHS, Type))->Fold(CurRec, CurMultiClass);
}
case tgtok::XConcat:
case tgtok::XSRA:
@@ -1029,7 +1029,7 @@ Init *TGParser::ParseSimpleValue(Record *CurRec) {
case tgtok::l_paren: { // Value ::= '(' IDValue DagArgList ')'
Lex.Lex(); // eat the '('
if (Lex.getCode() != tgtok::Id
// && Lex.getCode() != tgtok::XCast
&& Lex.getCode() != tgtok::XCast
&& Lex.getCode() != tgtok::XNameConcat) {
TokError("expected identifier in dag init");
return 0;
@@ -1072,7 +1072,7 @@ Init *TGParser::ParseSimpleValue(Record *CurRec) {
break;
}
// case tgtok::XCast: // Value ::= !unop '(' Value ')'
case tgtok::XCast: // Value ::= !unop '(' Value ')'
case tgtok::XConcat:
case tgtok::XSRA:
case tgtok::XSRL: