maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

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

llvm-svn: 66663
This commit is contained in:
Chris Lattner 2009-03-11 17:08:13 +00:00
parent 2689746705
commit be0d672ac4
2 changed files with 17 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
llvm/test/TableGen/strconcat.td
View File

@ -2,6 +2,9 @@
class Y<string S> {
string T = !strconcat(S, "foo");
// String values concatenate lexically, as in C.
string S = "foo" "bar";
}
def Z : Y<"fu">;

16
llvm/utils/TableGen/TGParser.cpp
View File

@ -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;