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-rw-r--r--llvm/lib/AsmParser/llvmAsmParser.y.cvs237
1 files changed, 105 insertions, 132 deletions
diff --git a/llvm/lib/AsmParser/llvmAsmParser.y.cvs b/llvm/lib/AsmParser/llvmAsmParser.y.cvs
index 3525567cf2c..683b95b8fba 100644
--- a/llvm/lib/AsmParser/llvmAsmParser.y.cvs
+++ b/llvm/lib/AsmParser/llvmAsmParser.y.cvs
@@ -29,9 +29,6 @@
#include <list>
#include <map>
#include <utility>
-#ifndef NDEBUG
-#define YYDEBUG 1
-#endif
// The following is a gross hack. In order to rid the libAsmParser library of
// exceptions, we have to have a way of getting the yyparse function to go into
@@ -51,15 +48,6 @@ static bool TriggerError = false;
int yyerror(const char *ErrorMsg); // Forward declarations to prevent "implicit
int yylex(); // declaration" of xxx warnings.
int yyparse();
-
-namespace llvm {
- std::string CurFilename;
-#if YYDEBUG
-static cl::opt<bool>
-Debug("debug-yacc", cl::desc("Print yacc debug state changes"),
- cl::Hidden, cl::init(false));
-#endif
-}
using namespace llvm;
static Module *ParserResult;
@@ -513,7 +501,7 @@ static Value *getVal(const Type *Ty, const ValID &ID) {
// Remember where this forward reference came from. FIXME, shouldn't we try
// to recycle these things??
CurModule.PlaceHolderInfo.insert(std::make_pair(V, std::make_pair(ID,
- llvmAsmlineno)));
+ LLLgetLineNo())));
if (inFunctionScope())
InsertValue(V, CurFun.LateResolveValues);
@@ -945,22 +933,11 @@ static PATypeHolder HandleUpRefs(const Type *ty) {
//
static Module* RunParser(Module * M);
-Module *llvm::RunVMAsmParser(const std::string &Filename, FILE *F) {
- set_scan_file(F);
-
- CurFilename = Filename;
- return RunParser(new Module(CurFilename));
-}
-
-Module *llvm::RunVMAsmParser(const char * AsmString, Module * M) {
- set_scan_string(AsmString);
-
- CurFilename = "from_memory";
- if (M == NULL) {
- return RunParser(new Module (CurFilename));
- } else {
- return RunParser(M);
- }
+Module *llvm::RunVMAsmParser(llvm::MemoryBuffer *MB) {
+ InitLLLexer(MB);
+ Module *M = RunParser(new Module(LLLgetFilename()));
+ FreeLexer();
+ return M;
}
%}
@@ -1113,7 +1090,7 @@ Module *llvm::RunVMAsmParser(const char * AsmString, Module * M) {
// Function Attributes
%token SIGNEXT ZEROEXT NORETURN INREG SRET NOUNWIND NOALIAS BYVAL NEST
-%token CONST PURE
+%token READNONE READONLY
// Visibility Styles
%token DEFAULT HIDDEN PROTECTED
@@ -1257,8 +1234,8 @@ FuncAttr : NORETURN { $$ = ParamAttr::NoReturn; }
| NOUNWIND { $$ = ParamAttr::NoUnwind; }
| ZEROEXT { $$ = ParamAttr::ZExt; }
| SIGNEXT { $$ = ParamAttr::SExt; }
- | PURE { $$ = ParamAttr::Pure; }
- | CONST { $$ = ParamAttr::Const; }
+ | READNONE { $$ = ParamAttr::ReadNone; }
+ | READONLY { $$ = ParamAttr::ReadOnly; }
;
OptFuncAttrs : /* empty */ { $$ = ParamAttr::None; }
@@ -1351,61 +1328,36 @@ Types
CHECK_FOR_ERROR
}
| Types '(' ArgTypeListI ')' OptFuncAttrs {
+ // Allow but ignore attributes on function types; this permits auto-upgrade.
+ // FIXME: remove in LLVM 3.0.
std::vector<const Type*> Params;
- ParamAttrsVector Attrs;
- if ($5 != ParamAttr::None) {
- ParamAttrsWithIndex X; X.index = 0; X.attrs = $5;
- Attrs.push_back(X);
- }
- unsigned index = 1;
TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
- for (; I != E; ++I, ++index) {
+ for (; I != E; ++I ) {
const Type *Ty = I->Ty->get();
Params.push_back(Ty);
- if (Ty != Type::VoidTy)
- if (I->Attrs != ParamAttr::None) {
- ParamAttrsWithIndex X; X.index = index; X.attrs = I->Attrs;
- Attrs.push_back(X);
- }
}
bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
if (isVarArg) Params.pop_back();
- ParamAttrsList *ActualAttrs = 0;
- if (!Attrs.empty())
- ActualAttrs = ParamAttrsList::get(Attrs);
- FunctionType *FT = FunctionType::get(*$1, Params, isVarArg, ActualAttrs);
+ FunctionType *FT = FunctionType::get(*$1, Params, isVarArg);
delete $3; // Delete the argument list
delete $1; // Delete the return type handle
$$ = new PATypeHolder(HandleUpRefs(FT));
CHECK_FOR_ERROR
}
| VOID '(' ArgTypeListI ')' OptFuncAttrs {
+ // Allow but ignore attributes on function types; this permits auto-upgrade.
+ // FIXME: remove in LLVM 3.0.
std::vector<const Type*> Params;
- ParamAttrsVector Attrs;
- if ($5 != ParamAttr::None) {
- ParamAttrsWithIndex X; X.index = 0; X.attrs = $5;
- Attrs.push_back(X);
- }
TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
- unsigned index = 1;
- for ( ; I != E; ++I, ++index) {
+ for ( ; I != E; ++I ) {
const Type* Ty = I->Ty->get();
Params.push_back(Ty);
- if (Ty != Type::VoidTy)
- if (I->Attrs != ParamAttr::None) {
- ParamAttrsWithIndex X; X.index = index; X.attrs = I->Attrs;
- Attrs.push_back(X);
- }
}
bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
if (isVarArg) Params.pop_back();
- ParamAttrsList *ActualAttrs = 0;
- if (!Attrs.empty())
- ActualAttrs = ParamAttrsList::get(Attrs);
-
- FunctionType *FT = FunctionType::get($1, Params, isVarArg, ActualAttrs);
+ FunctionType *FT = FunctionType::get($1, Params, isVarArg);
delete $3; // Delete the argument list
$$ = new PATypeHolder(HandleUpRefs(FT));
CHECK_FOR_ERROR
@@ -1457,9 +1409,11 @@ Types
;
ArgType
- : Types OptParamAttrs {
+ : Types OptParamAttrs {
+ // Allow but ignore attributes on function types; this permits auto-upgrade.
+ // FIXME: remove in LLVM 3.0.
$$.Ty = $1;
- $$.Attrs = $2;
+ $$.Attrs = ParamAttr::None;
}
;
@@ -2264,7 +2218,9 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
std::vector<const Type*> ParamTypeList;
ParamAttrsVector Attrs;
if ($7 != ParamAttr::None) {
- ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = $7;
+ ParamAttrsWithIndex PAWI;
+ PAWI.index = 0;
+ PAWI.attrs = $7;
Attrs.push_back(PAWI);
}
if ($5) { // If there are arguments...
@@ -2276,7 +2232,9 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
ParamTypeList.push_back(Ty);
if (Ty != Type::VoidTy)
if (I->Attrs != ParamAttr::None) {
- ParamAttrsWithIndex PAWI; PAWI.index = index; PAWI.attrs = I->Attrs;
+ ParamAttrsWithIndex PAWI;
+ PAWI.index = index;
+ PAWI.attrs = I->Attrs;
Attrs.push_back(PAWI);
}
}
@@ -2289,7 +2247,7 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
if (!Attrs.empty())
PAL = ParamAttrsList::get(Attrs);
- FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg, PAL);
+ FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg);
const PointerType *PFT = PointerType::get(FT);
delete $2;
@@ -2306,19 +2264,24 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
// Move the function to the end of the list, from whereever it was
// previously inserted.
Fn = cast<Function>(FWRef);
+ assert(!Fn->getParamAttrs() && "Forward reference has parameter attributes!");
CurModule.CurrentModule->getFunctionList().remove(Fn);
CurModule.CurrentModule->getFunctionList().push_back(Fn);
} else if (!FunctionName.empty() && // Merge with an earlier prototype?
(Fn = CurModule.CurrentModule->getFunction(FunctionName))) {
- if (Fn->getFunctionType() != FT) {
+ if (Fn->getFunctionType() != FT ) {
// The existing function doesn't have the same type. This is an overload
// error.
GEN_ERROR("Overload of function '" + FunctionName + "' not permitted.");
+ } else if (Fn->getParamAttrs() != PAL) {
+ // The existing function doesn't have the same parameter attributes.
+ // This is an overload error.
+ GEN_ERROR("Overload of function '" + FunctionName + "' not permitted.");
} else if (!CurFun.isDeclare && !Fn->isDeclaration()) {
// Neither the existing or the current function is a declaration and they
// have the same name and same type. Clearly this is a redefinition.
GEN_ERROR("Redefinition of function '" + FunctionName + "'");
- } if (Fn->isDeclaration()) {
+ } else if (Fn->isDeclaration()) {
// Make sure to strip off any argument names so we can't get conflicts.
for (Function::arg_iterator AI = Fn->arg_begin(), AE = Fn->arg_end();
AI != AE; ++AI)
@@ -2327,7 +2290,6 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
} else { // Not already defined?
Fn = new Function(FT, GlobalValue::ExternalWeakLinkage, FunctionName,
CurModule.CurrentModule);
-
InsertValue(Fn, CurModule.Values);
}
@@ -2341,6 +2303,7 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
Fn->setVisibility(CurFun.Visibility);
}
Fn->setCallingConv($1);
+ Fn->setParamAttrs(PAL);
Fn->setAlignment($9);
if ($8) {
Fn->setSection(*$8);
@@ -2620,28 +2583,14 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
- ParamAttrsVector Attrs;
- if ($8 != ParamAttr::None) {
- ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = $8;
- Attrs.push_back(PAWI);
- }
ParamList::iterator I = $6->begin(), E = $6->end();
- unsigned index = 1;
- for (; I != E; ++I, ++index) {
+ for (; I != E; ++I) {
const Type *Ty = I->Val->getType();
if (Ty == Type::VoidTy)
GEN_ERROR("Short call syntax cannot be used with varargs");
ParamTypes.push_back(Ty);
- if (I->Attrs != ParamAttr::None) {
- ParamAttrsWithIndex PAWI; PAWI.index = index; PAWI.attrs = I->Attrs;
- Attrs.push_back(PAWI);
- }
}
-
- ParamAttrsList *PAL = 0;
- if (!Attrs.empty())
- PAL = ParamAttrsList::get(Attrs);
- Ty = FunctionType::get($3->get(), ParamTypes, false, PAL);
+ Ty = FunctionType::get($3->get(), ParamTypes, false);
PFTy = PointerType::get(Ty);
}
@@ -2654,6 +2603,12 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
BasicBlock *Except = getBBVal($14);
CHECK_FOR_ERROR
+ ParamAttrsVector Attrs;
+ if ($8 != ParamAttr::None) {
+ ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = $8;
+ Attrs.push_back(PAWI);
+ }
+
// Check the arguments
ValueList Args;
if ($6->empty()) { // Has no arguments?
@@ -2667,12 +2622,19 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
ParamList::iterator ArgI = $6->begin(), ArgE = $6->end();
+ unsigned index = 1;
- for (; ArgI != ArgE && I != E; ++ArgI, ++I) {
+ for (; ArgI != ArgE && I != E; ++ArgI, ++I, ++index) {
if (ArgI->Val->getType() != *I)
GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
(*I)->getDescription() + "'");
Args.push_back(ArgI->Val);
+ if (ArgI->Attrs != ParamAttr::None) {
+ ParamAttrsWithIndex PAWI;
+ PAWI.index = index;
+ PAWI.attrs = ArgI->Attrs;
+ Attrs.push_back(PAWI);
+ }
}
if (Ty->isVarArg()) {
@@ -2683,9 +2645,14 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
GEN_ERROR("Invalid number of parameters detected");
}
+ ParamAttrsList *PAL = 0;
+ if (!Attrs.empty())
+ PAL = ParamAttrsList::get(Attrs);
+
// Create the InvokeInst
InvokeInst *II = new InvokeInst(V, Normal, Except, Args.begin(), Args.end());
II->setCallingConv($2);
+ II->setParamAttrs(PAL);
$$ = II;
delete $6;
CHECK_FOR_ERROR
@@ -2756,33 +2723,39 @@ PHIList : Types '[' ValueRef ',' ValueRef ']' { // Used for PHI nodes
};
-ParamList : Types ValueRef OptParamAttrs {
+ParamList : Types OptParamAttrs ValueRef OptParamAttrs {
+ // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
if (!UpRefs.empty())
GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
// Used for call and invoke instructions
$$ = new ParamList();
- ParamListEntry E; E.Attrs = $3; E.Val = getVal($1->get(), $2);
+ ParamListEntry E; E.Attrs = $2 | $4; E.Val = getVal($1->get(), $3);
$$->push_back(E);
delete $1;
+ CHECK_FOR_ERROR
}
- | LABEL ValueRef OptParamAttrs {
+ | LABEL OptParamAttrs ValueRef OptParamAttrs {
+ // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
// Labels are only valid in ASMs
$$ = new ParamList();
- ParamListEntry E; E.Attrs = $3; E.Val = getBBVal($2);
+ ParamListEntry E; E.Attrs = $2 | $4; E.Val = getBBVal($3);
$$->push_back(E);
+ CHECK_FOR_ERROR
}
- | ParamList ',' Types ValueRef OptParamAttrs {
+ | ParamList ',' Types OptParamAttrs ValueRef OptParamAttrs {
+ // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
if (!UpRefs.empty())
GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
$$ = $1;
- ParamListEntry E; E.Attrs = $5; E.Val = getVal($3->get(), $4);
+ ParamListEntry E; E.Attrs = $4 | $6; E.Val = getVal($3->get(), $5);
$$->push_back(E);
delete $3;
CHECK_FOR_ERROR
}
- | ParamList ',' LABEL ValueRef OptParamAttrs {
+ | ParamList ',' LABEL OptParamAttrs ValueRef OptParamAttrs {
+ // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
$$ = $1;
- ParamListEntry E; E.Attrs = $5; E.Val = getBBVal($4);
+ ParamListEntry E; E.Attrs = $4 | $6; E.Val = getBBVal($5);
$$->push_back(E);
CHECK_FOR_ERROR
}
@@ -2937,29 +2910,14 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
- ParamAttrsVector Attrs;
- if ($8 != ParamAttr::None) {
- ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = $8;
- Attrs.push_back(PAWI);
- }
- unsigned index = 1;
ParamList::iterator I = $6->begin(), E = $6->end();
- for (; I != E; ++I, ++index) {
+ for (; I != E; ++I) {
const Type *Ty = I->Val->getType();
if (Ty == Type::VoidTy)
GEN_ERROR("Short call syntax cannot be used with varargs");
ParamTypes.push_back(Ty);
- if (I->Attrs != ParamAttr::None) {
- ParamAttrsWithIndex PAWI; PAWI.index = index; PAWI.attrs = I->Attrs;
- Attrs.push_back(PAWI);
- }
}
-
- ParamAttrsList *PAL = 0;
- if (!Attrs.empty())
- PAL = ParamAttrsList::get(Attrs);
-
- Ty = FunctionType::get($3->get(), ParamTypes, false, PAL);
+ Ty = FunctionType::get($3->get(), ParamTypes, false);
PFTy = PointerType::get(Ty);
}
@@ -2975,6 +2933,14 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
theF->getName() + "'");
}
+ // Set up the ParamAttrs for the function
+ ParamAttrsVector Attrs;
+ if ($8 != ParamAttr::None) {
+ ParamAttrsWithIndex PAWI;
+ PAWI.index = 0;
+ PAWI.attrs = $8;
+ Attrs.push_back(PAWI);
+ }
// Check the arguments
ValueList Args;
if ($6->empty()) { // Has no arguments?
@@ -2984,17 +2950,23 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
"expects arguments");
} else { // Has arguments?
// Loop through FunctionType's arguments and ensure they are specified
- // correctly!
- //
+ // correctly. Also, gather any parameter attributes.
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
ParamList::iterator ArgI = $6->begin(), ArgE = $6->end();
+ unsigned index = 1;
- for (; ArgI != ArgE && I != E; ++ArgI, ++I) {
+ for (; ArgI != ArgE && I != E; ++ArgI, ++I, ++index) {
if (ArgI->Val->getType() != *I)
GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
(*I)->getDescription() + "'");
Args.push_back(ArgI->Val);
+ if (ArgI->Attrs != ParamAttr::None) {
+ ParamAttrsWithIndex PAWI;
+ PAWI.index = index;
+ PAWI.attrs = ArgI->Attrs;
+ Attrs.push_back(PAWI);
+ }
}
if (Ty->isVarArg()) {
if (I == E)
@@ -3003,10 +2975,17 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
} else if (I != E || ArgI != ArgE)
GEN_ERROR("Invalid number of parameters detected");
}
+
+ // Finish off the ParamAttrs and check them
+ ParamAttrsList *PAL = 0;
+ if (!Attrs.empty())
+ PAL = ParamAttrsList::get(Attrs);
+
// Create the call node
CallInst *CI = new CallInst(V, Args.begin(), Args.end());
CI->setTailCall($1);
CI->setCallingConv($2);
+ CI->setParamAttrs(PAL);
$$ = CI;
delete $6;
delete $3;
@@ -3118,13 +3097,7 @@ MemoryInst : MALLOC Types OptCAlign {
// common code from the two 'RunVMAsmParser' functions
static Module* RunParser(Module * M) {
-
- llvmAsmlineno = 1; // Reset the current line number...
CurModule.CurrentModule = M;
-#if YYDEBUG
- yydebug = Debug;
-#endif
-
// Check to make sure the parser succeeded
if (yyparse()) {
if (ParserResult)
@@ -3176,21 +3149,21 @@ static Module* RunParser(Module * M) {
}
void llvm::GenerateError(const std::string &message, int LineNo) {
- if (LineNo == -1) LineNo = llvmAsmlineno;
+ if (LineNo == -1) LineNo = LLLgetLineNo();
// TODO: column number in exception
if (TheParseError)
- TheParseError->setError(CurFilename, message, LineNo);
+ TheParseError->setError(LLLgetFilename(), message, LineNo);
TriggerError = 1;
}
int yyerror(const char *ErrorMsg) {
- std::string where
- = std::string((CurFilename == "-") ? std::string("<stdin>") : CurFilename)
- + ":" + utostr((unsigned) llvmAsmlineno) + ": ";
+ std::string where = LLLgetFilename() + ":" + utostr(LLLgetLineNo()) + ": ";
std::string errMsg = where + "error: " + std::string(ErrorMsg);
- if (yychar != YYEMPTY && yychar != 0)
- errMsg += " while reading token: '" + std::string(llvmAsmtext, llvmAsmleng)+
- "'";
+ if (yychar != YYEMPTY && yychar != 0) {
+ errMsg += " while reading token: '";
+ errMsg += std::string(LLLgetTokenStart(),
+ LLLgetTokenStart()+LLLgetTokenLength()) + "'";
+ }
GenerateError(errMsg);
return 0;
}
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