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parser.y
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parser.y
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/*------------------------------------------------------*
* The parser. *
*------------------------------------------------------*/
%{
#include "scanner.h"
#include "parser.h"
#include "errors.h"
void yyerror(const char *msg);
%}
// %error-verbose
%union {
Program *program;
FuncBody *funcbody;
List<FuncBody *> *funcbodies;
Stmt *stmt;
List<Stmt *> *stmts;
Note *note;
Barrier *barrier;
CodeLabel *codelabel;
Integer *integer;
Insn *insn;
MainCmd *maincmd;
PlainCmd *plaincmd;
ParallelCmd *parallelcmd;
List<PlainCmd *> *cmds;
ClobberCmd *clobbercmd;
SetCmd *setcmd;
UseCmd *usecmd;
Operand *operand;
IntOperand *intoperand;
ExprOperand *exproperand;
ExtendOperand *extendoperand;
DerefOperand *derefoperand;
SymbolRefOperand *symbolrefoperand;
NegOperand *negoperand;
FixOperand *fixoperand;
TypeInfo *typeinfo;
LocInfo *locinfo;
MemType *memtype;
List<Flag *> *flags;
Flag *flag;
Expr *expr;
IntegerExpr *integerexpr;
PlusExpr *plusexpr;
MinusExpr *minusexpr;
MultExpr *multexpr;
DivExpr *divexpr;
UDivExpr *udivexpr;
ModExpr *modexpr;
UModExpr *umodexpr;
LshiftExpr *lshiftexpr;
AshiftExpr *ashiftexpr;
LshiftRtExpr *lshiftrtexpr;
AshiftRtExpr *ashiftrtexpr;
XorExpr *xorexpr;
SubregExpr *subregexpr;
CompareExpr *compareexpr;
ConditionExpr *conditionexpr;
SymbolRefExpr *symbolrefexpr;
JumpInsn *jumpinsn;
Dest *dest;
Label *label;
Pc *pc;
IfThenElse *ifthenelse;
Comparison *comparison;
Condition *condition;
Call *call;
RetCall *retcall;
NoRetCall *noretcall;
ExprList *exprlist;
List<pair<int,const char *>> *exprlistexpr;
TruncateOperand *truncateoperand;
int integerConstant;
const char *stringConstant;
char identifier[32];
}
%token T_Note T_Insn T_JumpInsn T_CallInsn T_Call T_SymbolRef T_Nil T_Parallel T_TIType
%token T_Clobber T_Set T_Use T_IfThenElse T_ConstInt T_Barrier T_Mem T_Reg T_Pc T_LabelRef
%token T_IFlag T_VFlag T_FFlag T_CFlag T_UFlag T_SIType T_SFType T_DIType T_QIType T_CCType T_CCZType T_CCGCType
%token T_Plus T_Minus T_Mult T_Div T_Lshift T_Ashift T_LshiftRt T_AshiftRt T_Subreg T_ExprList
%token T_EndPara T_RArrow T_SiExtend T_Compare T_Lt T_Gt T_Le T_Ge T_Eq T_Ne T_CodeLabel T_UDiv
%token T_Mod T_UMod T_CCGOCType T_ZeExtend T_FlExtend T_Gtu T_Ltu T_Leu T_Geu T_Neg T_Xor T_Fix
%token T_Truncate T_Scratch
%token <stringConstant> T_StringConstant
%token <integerConstant> T_IntConstant
%token <identifier> T_FunBegin
%type <program> Program
%type <funcbody> FuncBody
%type <funcbodies> FuncBodies
%type <stmt> Stmt
%type <stmts> Stmts
%type <note> Note
%type <barrier> Barrier
%type <codelabel> CodeLabel
%type <integer> Integer
%type <insn> Insn
%type <maincmd> MainCmd
%type <plaincmd> PlainCmd
%type <parallelcmd> ParallelCmd
%type <cmds> Cmds
%type <clobbercmd> ClobberCmd
%type <setcmd> SetCmd
%type <usecmd> UseCmd
%type <operand> Operand
%type <intoperand> IntOperand
%type <exproperand> ExprOperand
%type <extendoperand> ExtendOperand
%type <derefoperand> DerefOperand;
%type <symbolrefoperand> SymbolRefOperand
%type <negoperand> NegOperand
%type <fixoperand> FixOperand
%type <typeinfo> TypeInfo
%type <locinfo> LocInfo
%type <memtype> MemType
%type <flags> Flags
%type <flag> Flag
%type <expr> Expr
%type <integerexpr> IntegerExpr
%type <plusexpr> PlusExpr
%type <minusexpr> MinusExpr
%type <multexpr> MultExpr
%type <divexpr> DivExpr
%type <udivexpr> UDivExpr
%type <modexpr> ModExpr
%type <umodexpr> UModExpr
%type <lshiftexpr> LshiftExpr
%type <ashiftexpr> AshiftExpr
%type <lshiftrtexpr> LshiftRtExpr
%type <ashiftrtexpr> AshiftRtExpr
%type <xorexpr> XorExpr
%type <subregexpr> SubregExpr
%type <compareexpr> CompareExpr
%type <conditionexpr> ConditionExpr
%type <symbolrefexpr> SymbolRefExpr
%type <jumpinsn> JumpInsn
%type <dest> Dest
%type <label> Label
%type <pc> Pc
%type <ifthenelse> IfThenElse
%type <comparison> Comparison
%type <condition> Condition
%type <call> Call
%type <retcall> RetCall
%type <noretcall> NoRetCall
%type <exprlist> ExprList
%type <exprlistexpr> ExprListExpr
%type <truncateoperand> TruncateOperand
%left TWO
%left ')'
%%
/* Rules begin */
Program : FuncBodies {
@1;
$$ = new Program($1);
if (ReportError::findNumErrors() == 0) {
// $$->Print(0);
$$->Analyze();
$$->GenerateCode(0);
}
}
;
FuncBodies : FuncBodies FuncBody { ($$=$1)->Append($2); }
| FuncBody { ($$ = new List<FuncBody *>)->Append($1); }
;
FuncBody : T_FunBegin Stmts { $$ = new FuncBody($2, $1); }
;
Stmts : Stmts Stmt { ($$=$1)->Append($2); }
| Stmt { ($$ = new List<Stmt *>)->Append($1); }
;
Stmt : '(' Note ')' { $$ = $2; }
| '(' Barrier ')' { $$ = $2; }
| '(' Insn ')' { $$ = $2; }
| '(' JumpInsn ')' { $$ = $2; }
| '(' Call ')' { $$ = $2; }
| '(' CodeLabel ')' { $$ = $2; }
;
Note : T_Note T_IntConstant T_IntConstant T_IntConstant T_IntConstant { $$ = new Note(); }
| T_Note T_IntConstant T_IntConstant T_IntConstant { $$ = new Note(); }
;
Barrier : T_Barrier T_IntConstant T_IntConstant T_IntConstant { $$ = new Barrier(); }
;
CodeLabel : T_CodeLabel T_IntConstant T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' T_Nil ')'
{ $$ = new CodeLabel($2); }
| T_CodeLabel T_IntConstant T_IntConstant T_IntConstant T_IntConstant'(' T_Nil ')'
{ $$ = new CodeLabel($2); }
| T_CodeLabel T_IntConstant T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' T_StringConstant ')'
{ $$ = new CodeLabel($2); }
;
Integer : '-' T_IntConstant { $$ = new Integer(-$2); }
| T_IntConstant { $$ = new Integer($1); }
;
Insn : T_Insn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' MainCmd ')'
T_StringConstant ':' T_IntConstant Integer '(' T_Nil ')' { $$ = new Insn($7); }
| T_Insn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' MainCmd ')'
T_StringConstant ':' T_IntConstant Integer '(' T_ExprList '(' Operand ')' '('
T_Nil ')' ')' { $$ = new Insn($7); }
| T_Insn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' MainCmd ')'
Integer '(' T_ExprList '(' Operand ')' '(' T_Nil ')' ')' { $$ = new Insn($7); }
| T_Insn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' MainCmd ')'
Integer '(' T_Nil ')' { $$ = new Insn($7); }
| T_Insn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' T_ConstInt T_IntConstant ')'
T_StringConstant ':' T_IntConstant Integer '(' T_Nil ')' { $$ = new Insn(NULL); }
| T_Insn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' MainCmd ')'
T_StringConstant ':' T_IntConstant Integer '(' ':' T_IntConstant '('
T_Nil ')' ')' { $$ = new Insn($7); }
;
MainCmd : PlainCmd { $$ = $1; }
| ParallelCmd { $$ = $1; }
;
PlainCmd : ClobberCmd { $$ = $1; }
| SetCmd { $$ = $1; }
| UseCmd { $$ = $1; }
;
ParallelCmd : T_Parallel Cmds T_EndPara { $$ = new ParallelCmd($2); }
;
Cmds : Cmds '(' PlainCmd ')' { ($$ = $1)->Append($3); }
| '(' PlainCmd ')' { ($$ = new List<PlainCmd *>)->Append($2); }
;
ClobberCmd : T_Clobber '(' T_Reg ':' TypeInfo T_IntConstant ')' { $$ = new ClobberCmd(); }
| T_Clobber '(' T_Reg Flags ':' TypeInfo T_IntConstant ')' { $$ = new ClobberCmd(); }
| T_Clobber '(' T_Mem ':' '(' ')' ')' { $$ = new ClobberCmd(); }
| T_Clobber '(' T_Mem ':' '(' T_Scratch ')' ')' { $$ = new ClobberCmd(); }
| T_Clobber '(' T_Mem ':' '(' Operand ')' ')' { $$ = new ClobberCmd(); }
| T_Clobber '(' T_Scratch ':' TypeInfo ')' { $$ = new ClobberCmd(); }
;
SetCmd : T_Set '(' Operand ')' '(' Operand ')' { $$ = new SetCmd($3,$6); }
;
UseCmd : T_Use '(' T_Reg Flags ':' TypeInfo T_IntConstant ')' { $$ = new UseCmd(); }
;
Operand : IntOperand { $$ = $1; }
| ExprOperand { $$ = $1; }
| ExtendOperand { $$ = $1; }
| TruncateOperand { $$ = $1; }
| SymbolRefOperand { $$ = $1; }
| DerefOperand { $$ = $1; }
| NegOperand { $$ = $1; }
| FixOperand { $$ = $1; }
| Dest { $$ = $1; }
;
IntOperand : T_ConstInt Integer { $$ = new IntOperand($2->getValue()); }
;
ExprOperand : LocInfo ':' TypeInfo Expr { $$ = new ExprOperand($1,$3,$4); }
| AshiftExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| LshiftExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| AshiftRtExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| LshiftRtExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| CompareExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| PlusExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| MinusExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| MultExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| DivExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| UDivExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| ModExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| UModExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| XorExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| SubregExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| ConditionExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
| SymbolRefExpr %prec TWO { $$ = new ExprOperand(NULL,NULL,$1); }
;
ExtendOperand : T_SiExtend TypeInfo '(' Operand ')' { $$ = new ExtendOperand($2,$4); }
| T_ZeExtend TypeInfo '(' Operand ')' { $$ = new ExtendOperand($2,$4); }
| T_FlExtend TypeInfo '(' Operand ')' { $$ = new ExtendOperand($2,$4); }
;
TruncateOperand : T_Truncate TypeInfo '(' Operand ')' { $$ = new TruncateOperand($2,$4); }
;
DerefOperand : LocInfo ':' TypeInfo '(' Operand ')' { $$ = new DerefOperand($1,$3,$5); }
;
SymbolRefOperand : T_SymbolRef Flags ':' T_DIType '(' T_StringConstant ')' { $$ = new SymbolRefOperand($6); }
;
NegOperand : T_Neg ':' TypeInfo '(' Operand ')' { $$ = new NegOperand($5); }
| T_Neg '(' Operand ')' { $$ = new NegOperand($3); }
;
FixOperand : T_Fix ':' TypeInfo '(' Operand ')' { $$ = new FixOperand($5); }
;
LocInfo : MemType Flags { $$ = new LocInfo($1, $2); }
| MemType { $$ = new LocInfo($1,NULL); }
;
Flags : Flags Flag { ($$ = $1)->Append($2); }
| Flag { ($$ = new List<Flag *>)->Append($1); }
;
Flag : T_IFlag { $$ = new Flag("i"); }
| T_VFlag { $$ = new Flag("v"); }
| T_FFlag { $$ = new Flag("f"); }
| T_CFlag { $$ = new Flag("c"); }
| T_UFlag { $$ = new Flag("u"); }
;
MemType : T_Mem { $$ = new MemType("mem"); }
| T_Reg { $$ = new MemType("reg"); }
;
TypeInfo : T_SIType { $$ = new TypeInfo("si"); }
| T_SFType { $$ = new TypeInfo("sf"); }
| T_DIType { $$ = new TypeInfo("di"); }
| T_QIType { $$ = new TypeInfo("qi"); }
| T_TIType { $$ = new TypeInfo("ti"); }
| T_CCType { $$ = new TypeInfo("cc"); }
| T_CCZType { $$ = new TypeInfo("ccz"); }
| T_CCGCType { $$ = new TypeInfo("ccgc"); }
| T_CCGOCType { $$ = new TypeInfo("ccgoc"); }
;
Expr : IntegerExpr { $$ = $1; }
| '(' PlusExpr ')' { $$ = $2; }
| '(' MinusExpr ')' { $$ = $2; }
| '(' MultExpr ')' { $$ = $2; }
| '(' AshiftExpr ')' { $$ = $2; }
| '(' LshiftExpr ')' { $$ = $2; }
| '(' AshiftRtExpr ')' { $$ = $2; }
| '(' LshiftRtExpr ')' { $$ = $2; }
| '(' XorExpr ')' { $$ = $2; }
| '(' SubregExpr ')' { $$ = $2; }
| '(' CompareExpr ')' { $$ = $2; }
| '(' DivExpr ')' { $$ = $2; }
| '(' UDivExpr ')' { $$ = $2; }
| '(' ModExpr ')' { $$ = $2; }
| '(' UModExpr ')' { $$ = $2; }
| '(' ConditionExpr ')' { $$ = $2; }
| '(' SymbolRefExpr ')' { $$ = $2; }
;
IntegerExpr : Integer { $$ = new IntegerExpr($1->getValue()); }
;
PlusExpr : T_Plus TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new PlusExpr($2,$4,$7); }
;
MinusExpr : T_Minus TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new MinusExpr($2,$4,$7); }
;
MultExpr : T_Mult TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new MultExpr($2,$4,$7); }
;
DivExpr : T_Div TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new DivExpr($2,$4,$7); }
;
UDivExpr : T_UDiv TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new UDivExpr($2,$4,$7); }
;
ModExpr : T_Mod TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new ModExpr($2,$4,$7); }
;
UModExpr : T_UMod TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new UModExpr($2,$4,$7); }
;
LshiftExpr : T_Lshift TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new LshiftExpr($2,$4,$7); }
;
AshiftExpr : T_Ashift TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new AshiftExpr($2,$4,$7); }
;
LshiftRtExpr : T_LshiftRt TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new LshiftRtExpr($2,$4,$7); }
;
AshiftRtExpr : T_AshiftRt TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new AshiftRtExpr($2,$4,$7); }
;
XorExpr : T_Xor TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new XorExpr($2,$4,$7); }
;
SubregExpr : T_Subreg TypeInfo '(' Operand ')' Integer { $$ = new SubregExpr($2,$4); }
;
CompareExpr : T_Compare TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new CompareExpr($2,$4,$7); }
;
ConditionExpr : Condition ':' TypeInfo '(' Operand ')' '(' Operand ')' { $$ = new ConditionExpr($1,$3,$5,$8); }
;
SymbolRefExpr : T_SymbolRef ':' TypeInfo '(' T_StringConstant ')' { $$ = new SymbolRefExpr($3,$5); }
;
JumpInsn : T_JumpInsn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' T_Set
'(' T_Pc ')' '(' Dest ')' ')' T_StringConstant ':' T_IntConstant
Integer '(' T_Nil ')' T_RArrow T_IntConstant { $$ = new JumpInsn($12); }
| T_JumpInsn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' T_Set
'(' T_Pc ')' '(' Dest ')' ')' T_IntConstant '(' T_Nil ')' T_RArrow T_IntConstant { $$ = new JumpInsn($12); }
;
Dest : Label { $$ = $1; }
| IfThenElse { $$ = $1; }
| Pc { $$ = $1; }
;
Label : T_LabelRef T_IntConstant { $$ = new Label($2); }
| T_LabelRef ':' TypeInfo T_IntConstant { $$ = new Label($4); }
;
IfThenElse : T_IfThenElse '(' Comparison ')' '(' Operand ')' '(' Operand ')' { $$ = new IfThenElse($3,$6,$9); }
| T_IfThenElse ':' TypeInfo '(' Comparison ')' '(' Operand ')' '(' Operand ')' { $$ = new IfThenElse($5,$8,$11); }
;
Pc : T_Pc { $$ = new Pc(); }
;
Comparison : Condition '(' Operand ')' '(' Operand ')' { $$ = new Comparison($1,$3,$6); }
;
Condition : T_Lt { $$ = new Condition("lt"); }
| T_Gt { $$ = new Condition("gt"); }
| T_Le { $$ = new Condition("le"); }
| T_Ge { $$ = new Condition("ge"); }
| T_Eq { $$ = new Condition("eq"); }
| T_Ne { $$ = new Condition("ne"); }
| T_Gtu { $$ = new Condition("gtu"); }
| T_Ltu { $$ = new Condition("ltu"); }
| T_Geu { $$ = new Condition("geu"); }
| T_Leu { $$ = new Condition("leu"); }
;
Call : RetCall { $$ = $1; }
| NoRetCall { $$ = $1; }
;
RetCall : T_CallInsn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' T_Set '('
T_Reg ':' TypeInfo T_IntConstant ')' '(' T_Call '(' T_Mem ':' T_QIType '('
T_SymbolRef ':' T_DIType '(' T_StringConstant ')' ')' ')' '(' T_ConstInt Integer ')'
')' ')' T_StringConstant ':' T_IntConstant Integer '(' Junk2 ')' '(' ExprList ')'
{ $$ = new RetCall($11,$12,$25,$43); }
;
NoRetCall : T_CallInsn T_IntConstant T_IntConstant T_IntConstant T_IntConstant '(' T_Call
'(' T_Mem ':' T_QIType '(' T_SymbolRef ':' T_DIType '('
T_StringConstant ')' ')' ')' '(' T_ConstInt Integer ')' ')' T_StringConstant
':' T_IntConstant Integer '(' Junk2 ')' '(' ExprList ')'
{ $$ = new NoRetCall($17,$34); }
;
ExprList : ExprListExpr { $$ = new ExprList($1); }
;
ExprListExpr : T_ExprList TypeInfo '(' T_Use '(' T_Reg ':' TypeInfo T_IntConstant ')' ')' '(' T_Nil ')'
{ ($$ = new List<pair<int, const char*>>)->Append(make_pair($9,$8->getType())); }
| '(' T_Use '(' T_Reg ':' TypeInfo T_IntConstant ')' ')' '(' T_Nil ')'
{ ($$ = new List<pair<int, const char*>>)->Append(make_pair($7,$6->getType())); }
| T_ExprList TypeInfo '(' T_Use '(' T_Reg ':' TypeInfo T_IntConstant ')' ')' '(' ExprListExpr ')'
{ ($$=$13)->Append(make_pair($9,$8->getType())); }
| '(' T_Use '(' T_Reg ':' TypeInfo T_IntConstant ')' ')' '(' ExprListExpr ')'
{ ($$=$11)->Append(make_pair($7,$6->getType())); }
| T_Nil { $$ = new List<pair<int,const char*>>; }
;
Junk2 : T_Nil { }
| T_ExprList '(' Operand ')' '(' Junk2 ')' { }
| T_ExprList TypeInfo '(' Operand ')' '(' Junk2 ')' { }
;
%%
void InitParser()
{
// printf("Initializing parser.\n\n");
yydebug = false;
}