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Move more code to helper functions. NFC. 

llvm-svn: 293715
This commit is contained in:
Rafael Espindola 2017-01-31 23:26:32 +00:00
parent 23ccc29197
commit a86be22230
1 changed files with 60 additions and 39 deletions
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99
llvm/lib/MC/MCParser/ELFAsmParser.cpp
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@ -143,6 +143,9 @@ private:
bool ParseSectionArguments(bool IsPush, SMLoc loc);
unsigned parseSunStyleSectionFlags();
bool maybeParseSectionType(StringRef &TypeName);
bool parseMergeSize(int64_t &Size);
bool parseGroup(StringRef &GroupName);
bool maybeParseUniqueID(int64_t &UniqueID);
};
}
@ -382,6 +385,57 @@ bool ELFAsmParser::maybeParseSectionType(StringRef &TypeName) {
return false;
}
bool ELFAsmParser::parseMergeSize(int64_t &Size) {
if (getLexer().isNot(AsmToken::Comma))
return TokError("expected the entry size");
Lex();
if (getParser().parseAbsoluteExpression(Size))
return true;
if (Size <= 0)
return TokError("entry size must be positive");
return false;
}
bool ELFAsmParser::parseGroup(StringRef &GroupName) {
MCAsmLexer &L = getLexer();
if (L.isNot(AsmToken::Comma))
return TokError("expected group name");
Lex();
if (getParser().parseIdentifier(GroupName))
return true;
if (L.is(AsmToken::Comma)) {
Lex();
StringRef Linkage;
if (getParser().parseIdentifier(Linkage))
return true;
if (Linkage != "comdat")
return TokError("Linkage must be 'comdat'");
}
return false;
}
bool ELFAsmParser::maybeParseUniqueID(int64_t &UniqueID) {
MCAsmLexer &L = getLexer();
if (L.isNot(AsmToken::Comma))
return false;
Lex();
StringRef UniqueStr;
if (getParser().parseIdentifier(UniqueStr))
return TokError("expected identifier in directive");
if (UniqueStr != "unique")
return TokError("expected 'unique'");
if (L.isNot(AsmToken::Comma))
return TokError("expected commma");
Lex();
if (getParser().parseAbsoluteExpression(UniqueID))
return true;
if (UniqueID < 0)
return TokError("unique id must be positive");
if (!isUInt<32>(UniqueID) || UniqueID == ~0U)
return TokError("unique id is too large");
return false;
}
bool ELFAsmParser::ParseSectionArguments(bool IsPush, SMLoc loc) {
StringRef SectionName;
@ -451,47 +505,14 @@ bool ELFAsmParser::ParseSectionArguments(bool IsPush, SMLoc loc) {
return TokError("unexpected token in directive");
}
if (Mergeable) {
if (getLexer().isNot(AsmToken::Comma))
return TokError("expected the entry size");
Lex();
if (getParser().parseAbsoluteExpression(Size))
if (Mergeable)
if (parseMergeSize(Size))
return true;
if (Size <= 0)
return TokError("entry size must be positive");
}
if (Group) {
if (getLexer().isNot(AsmToken::Comma))
return TokError("expected group name");
Lex();
if (getParser().parseIdentifier(GroupName))
if (Group)
if (parseGroup(GroupName))
return true;
if (getLexer().is(AsmToken::Comma)) {
Lex();
StringRef Linkage;
if (getParser().parseIdentifier(Linkage))
return true;
if (Linkage != "comdat")
return TokError("Linkage must be 'comdat'");
}
}
if (getLexer().is(AsmToken::Comma)) {
Lex();
if (getParser().parseIdentifier(UniqueStr))
return TokError("expected identifier in directive");
if (UniqueStr != "unique")
return TokError("expected 'unique'");
if (getLexer().isNot(AsmToken::Comma))
return TokError("expected commma");
Lex();
if (getParser().parseAbsoluteExpression(UniqueID))
return true;
if (UniqueID < 0)
return TokError("unique id must be positive");
if (!isUInt<32>(UniqueID) || UniqueID == ~0U)
return TokError("unique id is too large");
}
if (maybeParseUniqueID(UniqueID))
return true;
}
EndStmt: