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implement support for C-style string literal concatenation in td files.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66663 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-03-11 17:08:13 +00:00
parent eda2ec35a1
commit d7a50cf28c
2 changed files with 17 additions and 2 deletions
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16
utils/TableGen/TGParser.cpp
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@@ -505,7 +505,7 @@ Init *TGParser::ParseIDValue(Record *CurRec,
///
/// SimpleValue ::= IDValue
/// SimpleValue ::= INTVAL
/// SimpleValue ::= STRVAL
/// SimpleValue ::= STRVAL+
/// SimpleValue ::= CODEFRAGMENT
/// SimpleValue ::= '?'
/// SimpleValue ::= '{' ValueList '}'
@@ -523,7 +523,19 @@ Init *TGParser::ParseSimpleValue(Record *CurRec) {
switch (Lex.getCode()) {
default: TokError("Unknown token when parsing a value"); break;
case tgtok::IntVal: R = new IntInit(Lex.getCurIntVal()); Lex.Lex(); break;
case tgtok::StrVal: R = new StringInit(Lex.getCurStrVal()); Lex.Lex(); break;
case tgtok::StrVal: {
std::string Val = Lex.getCurStrVal();
Lex.Lex();
// Handle multiple consequtive concatenated strings.
while (Lex.getCode() == tgtok::StrVal) {
Val += Lex.getCurStrVal();
Lex.Lex();
}
R = new StringInit(Val);
break;
}
case tgtok::CodeFragment:
R = new CodeInit(Lex.getCurStrVal()); Lex.Lex(); break;
case tgtok::question: R = new UnsetInit(); Lex.Lex(); break;