Expr ScriptParser::readExpr1(Expr Lhs, int MinPrec) {
while (!atEOF() && !Error) {
// Read an operator and an expression.
- StringRef Op1 = peek();
- if (Op1 == "?")
+ if (consume("?"))
return readTernary(Lhs);
+ StringRef Op1 = peek();
if (precedence(Op1) < MinPrec)
break;
skip();
// and decimal numbers. Decimal numbers may have "K" (kilo) or
// "M" (mega) prefixes.
static bool readInteger(StringRef Tok, uint64_t &Result) {
+ // Negative number
if (Tok.startswith("-")) {
if (!readInteger(Tok.substr(1), Result))
return false;
Result = -Result;
return true;
}
+
+ // Hexadecimal
if (Tok.startswith_lower("0x"))
return !Tok.substr(2).getAsInteger(16, Result);
if (Tok.endswith_lower("H"))
return !Tok.drop_back().getAsInteger(16, Result);
+ // Decimal
int Suffix = 1;
if (Tok.endswith_lower("K")) {
Suffix = 1024;
}
Expr ScriptParser::readTernary(Expr Cond) {
- skip();
Expr L = readExpr();
expect(":");
Expr R = readExpr();