tacil

package
v0.0.0-...-a1c1f5a Latest Latest
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 Go to latest Published: Aug 5, 2024 License: MIT Imports: 6 Imported by: 0

README

Three Address Code Intermediate Language (TACIL)

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	VoidType *Void

	Int1Type  *Int1
	Int16Type *Int16
	Int8Type  *Int8
	Int32Type *Int32
	Int64Type *Int64
)
View Source 
var PredeclaredRegisters = map[string]bool{
	"$sp": true,
	"$gp": true,
	"$fp": true,
}

Functions

func NextTemp 

func NextTemp() string

Types

type Argument 

type Argument struct {
	// contains filtered or unexported fields
}

Argument ... ---------------------

func CreateArgument 

func CreateArgument(ty *FunctionType, parent *Function, name string) *Argument

func (Argument) HasName 

func (a Argument) HasName() bool

func (Argument) Name 

func (a Argument) Name() string

func (Argument) Parent 

func (a Argument) Parent() *Function

func (Argument) SetName 

func (a Argument) SetName(name string)

func (Argument) String 

func (a Argument) String() string

func (Argument) Type 

func (a Argument) Type() Type

type ArrayType 

type ArrayType struct {
	// contains filtered or unexported fields
}

ArrayType -----------------------------------------

func CreateArrayType 

func CreateArrayType(numEl Expr, elTy Type) *ArrayType

func (ArrayType) IsArrayTy 

func (a ArrayType) IsArrayTy() bool

func (ArrayType) IsFuncTy 

func (a ArrayType) IsFuncTy() bool

func (ArrayType) IsIntegerTy 

func (a ArrayType) IsIntegerTy() bool

func (ArrayType) IsPtrTy 

func (a ArrayType) IsPtrTy() bool

func (ArrayType) IsVoidTy 

func (a ArrayType) IsVoidTy() bool

func (ArrayType) String 

func (a ArrayType) String() string

type Assign 

type Assign struct {
	Dst   Expr
	Value Expr
	// contains filtered or unexported fields
}

Assign --------------------------------

func CreateAssign 

func CreateAssign(val, dst Expr) *Assign

func (*Assign) Parent 

func (a *Assign) Parent() *BasicBlock

func (*Assign) SetParent 

func (a *Assign) SetParent(parent *BasicBlock)

func (*Assign) String 

func (a *Assign) String() string

type BasicBlock 

type BasicBlock struct {
	Phi map[string]*Assign
	// contains filtered or unexported fields
}

BasicBlock ... -------------------------

func CreateBasicBlock 

func CreateBasicBlock(name string, parent *Function) *BasicBlock

func NewBasicBlock 

func NewBasicBlock(name string) *BasicBlock

func (*BasicBlock) AddInstr 

func (b *BasicBlock) AddInstr(i Stmt)

func (*BasicBlock) Empty 

func (b *BasicBlock) Empty() bool

func (*BasicBlock) HasName 

func (b *BasicBlock) HasName() bool

func (*BasicBlock) InsertInstrBegin 

func (b *BasicBlock) InsertInstrBegin(inst Stmt)

func (*BasicBlock) Instr 

func (b *BasicBlock) Instr() *list.List

func (*BasicBlock) LastInst 

func (b *BasicBlock) LastInst() Stmt

func (*BasicBlock) LastInstIsCondBr 

func (b *BasicBlock) LastInstIsCondBr() bool

func (*BasicBlock) Name 

func (b *BasicBlock) Name() string

func (*BasicBlock) Parent 

func (b *BasicBlock) Parent() *Function

func (*BasicBlock) RemoveInstr 

func (b *BasicBlock) RemoveInstr(rem *list.Element)

func (*BasicBlock) SetName 

func (b *BasicBlock) SetName(name string)

func (*BasicBlock) String 

func (b *BasicBlock) String() string

func (*BasicBlock) Type 

func (b *BasicBlock) Type() Type

type BinaryOp 

type BinaryOp struct {
	Op   Opcode
	X, Y Expr
	// contains filtered or unexported fields
}

BinaryOp ----------------------------------------

func NewBinaryOp 

func NewBinaryOp(ty Type, op Opcode, x, y Expr) *BinaryOp

func (*BinaryOp) BaseName 

func (b *BinaryOp) BaseName() string

func (*BinaryOp) HasName 

func (b *BinaryOp) HasName() bool

func (*BinaryOp) Name 

func (b *BinaryOp) Name() string

func (*BinaryOp) NumOperands 

func (b *BinaryOp) NumOperands() int

func (*BinaryOp) Operand 

func (b *BinaryOp) Operand(i int) Expr

func (*BinaryOp) SetName 

func (b *BinaryOp) SetName(string)

func (*BinaryOp) String 

func (b *BinaryOp) String() string

func (*BinaryOp) Type 

func (b *BinaryOp) Type() Type

type BitVector 

type BitVector byte

BitVector -----------------------------

type Builder 

type Builder struct {
	BB  *BasicBlock       // the current BasicBlock where instructions are inserted
	CFG *ControlFlowGraph // A graph modelling control-flow for the current function
}

func NewBuilder 

func NewBuilder() *Builder

func (*Builder) CreateAdd 

func (b *Builder) CreateAdd(lhs, rhs Expr) *BinaryOp

func (*Builder) CreateAssign 

func (b *Builder) CreateAssign(Val, Dst Expr) *Assign

func (*Builder) CreateCmp 

func (b *Builder) CreateCmp(pred Opcode, lhs, rhs Expr) Expr

func (*Builder) CreateCondBr 

func (b *Builder) CreateCondBr(cond Expr, ifTrue, ifFalse *BasicBlock) *CondBr

func (*Builder) CreateFuncCall 

func (b *Builder) CreateFuncCall(callee Expr, args []Expr) *FuncCall

func (*Builder) CreateJmp 

func (b *Builder) CreateJmp(dst *BasicBlock) *Jump

func (*Builder) CreateLoad 

func (b *Builder) CreateLoad(addr Expr) *Load

func (*Builder) CreateNeg 

func (b *Builder) CreateNeg(v Expr) Expr

func (*Builder) CreateNot 

func (b *Builder) CreateNot(v Expr) Expr

func (*Builder) CreateProcCall 

func (b *Builder) CreateProcCall(callee Expr, args []Expr) *ProcCallInstr

func (*Builder) CreateRet 

func (b *Builder) CreateRet(v Expr) *Return

func (*Builder) CreateSub 

func (b *Builder) CreateSub(lhs, rhs Expr) Expr

func (*Builder) CreateXOR 

func (b *Builder) CreateXOR(lhs, rhs Expr) Expr

func (*Builder) GetInsertBlock 

func (b *Builder) GetInsertBlock() *BasicBlock

GetInsertBlock returns the current BasicBlock where instructions are inserted

func (*Builder) SetInsertPoint 

func (b *Builder) SetInsertPoint(BB *BasicBlock)

SetInsertPoint updates the current BasicBlock to BB

type Cmp 

type Cmp struct {
	Pred Opcode
	X, Y Expr
	// contains filtered or unexported fields
}

Cmp -------------------------

func CreateCmp 

func CreateCmp(pred Opcode, x, y Expr) *Cmp

func (*Cmp) BaseName 

func (c *Cmp) BaseName() string

func (*Cmp) HasName 

func (c *Cmp) HasName() bool

func (*Cmp) Name 

func (c *Cmp) Name() string

func (*Cmp) NumOperands 

func (c *Cmp) NumOperands() int

func (*Cmp) Operand 

func (c *Cmp) Operand(i int) Expr

func (*Cmp) SetName 

func (c *Cmp) SetName(string)

func (*Cmp) String 

func (c *Cmp) String() string

func (*Cmp) Type 

func (c *Cmp) Type() Type

type CondBr 

type CondBr struct {
	Op      Opcode
	Cond    Expr
	IfTrue  *BasicBlock
	IfFalse *BasicBlock
	// contains filtered or unexported fields
}

CondBr ----------

func CreateCondBr 

func CreateCondBr(cond Expr, ifThen, ifElse *BasicBlock) *CondBr

func (*CondBr) Parent 

func (c *CondBr) Parent() *BasicBlock

func (*CondBr) SetParent 

func (c *CondBr) SetParent(parent *BasicBlock)

func (*CondBr) String 

func (c *CondBr) String() string

type ConstantBool 

type ConstantBool struct {
	Value int
	Ty    *Int1
}

ConstantBool ... --------------------

func NewConstBool 

func NewConstBool(value int) *ConstantBool

func (ConstantBool) BaseName 

func (c ConstantBool) BaseName() string

func (ConstantBool) HasName 

func (c ConstantBool) HasName() bool

func (ConstantBool) Name 

func (c ConstantBool) Name() string

func (ConstantBool) NumOperands 

func (c ConstantBool) NumOperands() int

func (ConstantBool) Operand 

func (c ConstantBool) Operand(i int) Expr

func (ConstantBool) SetName 

func (c ConstantBool) SetName(string)

func (ConstantBool) String 

func (c ConstantBool) String() string

func (ConstantBool) Type 

func (c ConstantBool) Type() Type

type ConstantInt 

type ConstantInt struct {
	Value  uint64
	Signed bool
	Ty     Type
}

ConstantInt ... --------------------

func NewConstantInt 

func NewConstantInt(ty Type, value uint64, signed bool) *ConstantInt

func (ConstantInt) BaseName 

func (c ConstantInt) BaseName() string

func (ConstantInt) HasName 

func (c ConstantInt) HasName() bool

func (ConstantInt) Name 

func (c ConstantInt) Name() string

func (ConstantInt) NumOperands 

func (c ConstantInt) NumOperands() int

func (ConstantInt) Operand 

func (c ConstantInt) Operand(i int) Expr

func (ConstantInt) SetName 

func (c ConstantInt) SetName(string)

func (ConstantInt) String 

func (c ConstantInt) String() string

func (ConstantInt) Type 

func (c ConstantInt) Type() Type

type ControlFlowGraph 

type ControlFlowGraph struct {
	Entry, Exit *BasicBlock
	Nodes       adt.Set[*BasicBlock]
	Succ        map[string]*adt.HashSet[*BasicBlock]
	Pred        map[string]*adt.HashSet[*BasicBlock]

	Defs map[string]Stmt
	Uses map[string]adt.Set[Stmt]
}

ControlFlowGraph ----------------------------------------------------------------

func NewCFG 

func NewCFG() *ControlFlowGraph

func (*ControlFlowGraph) AddPred 

func (cfg *ControlFlowGraph) AddPred(BlkName string, Predecessors ...*BasicBlock)

func (*ControlFlowGraph) AddSucc 

func (cfg *ControlFlowGraph) AddSucc(BlkName string, Successors ...*BasicBlock)

func (*ControlFlowGraph) DeleteBlocks 

func (cfg *ControlFlowGraph) DeleteBlocks(blocks ...*BasicBlock)

func (*ControlFlowGraph) IsBrNode 

func (cfg *ControlFlowGraph) IsBrNode(blk string) bool

func (*ControlFlowGraph) IsJoinNode 

func (cfg *ControlFlowGraph) IsJoinNode(blk string) bool

func (*ControlFlowGraph) PostOrder 

func (cfg *ControlFlowGraph) PostOrder() []*BasicBlock

func (*ControlFlowGraph) Reverse 

func (cfg *ControlFlowGraph) Reverse() *ControlFlowGraph

func (*ControlFlowGraph) ReversePostOrder 

func (cfg *ControlFlowGraph) ReversePostOrder() []*BasicBlock

func (*ControlFlowGraph) String 

func (cfg *ControlFlowGraph) String() string

type Expr 

type Expr interface {
	Name() string
	BaseName() string
	SetName(string)
	HasName() bool
	Operand(int) Expr
	NumOperands() int
	Type() Type
	fmt.Stringer
	// contains filtered or unexported methods
}

func GetAllOnesValue 

func GetAllOnesValue(ty Type) Expr

func GetNullValue 

func GetNullValue(ty Type) Expr

type FuncCall 

type FuncCall struct {
	Op     Opcode
	Callee Expr
	Args   []Expr
	// contains filtered or unexported fields
}

FuncCall ... --------------------

func CreateFuncCall 

func CreateFuncCall(callee Expr, args []Expr) *FuncCall

func (FuncCall) BaseName 

func (c FuncCall) BaseName() string

func (FuncCall) HasName 

func (c FuncCall) HasName() bool

func (FuncCall) Name 

func (c FuncCall) Name() string

func (FuncCall) NumOperands 

func (c FuncCall) NumOperands() int

func (FuncCall) Operand 

func (c FuncCall) Operand(idx int) Expr

func (FuncCall) SetName 

func (c FuncCall) SetName(string)

func (FuncCall) String 

func (c FuncCall) String() string

func (FuncCall) Type 

func (c FuncCall) Type() Type

type Function 

type Function struct {
	// contains filtered or unexported fields
}

Function ... -----------------------------

func CreateFunction 

func CreateFunction(ty *FunctionType, link LinkageKind, name string, module *Module) *Function

func CreatePreDeclaredFunction 

func CreatePreDeclaredFunction(ty *FunctionType, link LinkageKind, name string, module *Module) *Function

func (*Function) CFG 

func (f *Function) CFG() *ControlFlowGraph

func (*Function) HasExternalLinkage 

func (f *Function) HasExternalLinkage() bool

func (*Function) HasInternalLinkage 

func (f *Function) HasInternalLinkage() bool

func (*Function) HasName 

func (f *Function) HasName() bool

func (*Function) Name 

func (f *Function) Name() string

func (*Function) NumUses 

func (f *Function) NumUses() int

func (*Function) OrigName 

func (f *Function) OrigName() string

func (*Function) Parent 

func (f *Function) Parent() *Module

func (*Function) SetName 

func (f *Function) SetName(name string)

func (*Function) String 

func (f *Function) String() string

func (*Function) SymbolTable 

func (f *Function) SymbolTable()

func (*Function) Type 

func (f *Function) Type() Type

type FunctionType 

type FunctionType struct {
	// contains filtered or unexported fields
}

FunctionType ... ---------------------

func CreateFunctionType 

func CreateFunctionType(args []Type, retTy Type, varArgs bool) *FunctionType

func (FunctionType) ArgType 

func (f FunctionType) ArgType(i uint) Type

func (FunctionType) IsArrayTy 

func (FunctionType) IsArrayTy() bool

func (FunctionType) IsFuncTy 

func (FunctionType) IsFuncTy() bool

func (FunctionType) IsIntegerTy 

func (FunctionType) IsIntegerTy() bool

func (FunctionType) IsPtrTy 

func (FunctionType) IsPtrTy() bool

func (FunctionType) IsVarArg 

func (f FunctionType) IsVarArg() bool

func (FunctionType) IsVoidTy 

func (FunctionType) IsVoidTy() bool

func (FunctionType) NumArgs 

func (f FunctionType) NumArgs() int

func (FunctionType) ReturnType 

func (f FunctionType) ReturnType() Type

func (FunctionType) String 

func (f FunctionType) String() string

type Int1 

type Int1 struct {
	// contains filtered or unexported fields
}

Int1 ... ----------------------

func (Int1) BitWidth 

func (i Int1) BitWidth() uint

func (Int1) IsArrayTy 

func (Int1) IsArrayTy() bool

func (Int1) IsFuncTy 

func (Int1) IsFuncTy() bool

func (Int1) IsIntegerTy 

func (Int1) IsIntegerTy() bool

func (Int1) IsPtrTy 

func (Int1) IsPtrTy() bool

func (Int1) IsVoidTy 

func (Int1) IsVoidTy() bool

func (Int1) String 

func (Int1) String() string

type Int16 

type Int16 struct {
	// contains filtered or unexported fields
}

Int16 ... ----------------------

func (Int16) BitWidth 

func (i Int16) BitWidth() uint

func (Int16) IsArrayTy 

func (Int16) IsArrayTy() bool

func (Int16) IsFuncTy 

func (Int16) IsFuncTy() bool

func (Int16) IsIntegerTy 

func (Int16) IsIntegerTy() bool

func (Int16) IsPtrTy 

func (Int16) IsPtrTy() bool

func (Int16) IsVoidTy 

func (Int16) IsVoidTy() bool

func (Int16) String 

func (Int16) String() string

type Int32 

type Int32 struct {
	// contains filtered or unexported fields
}

Int32 ... ----------------------

func (Int32) BitWidth 

func (i Int32) BitWidth() uint

func (Int32) IsArrayTy 

func (Int32) IsArrayTy() bool

func (Int32) IsFuncTy 

func (Int32) IsFuncTy() bool

func (Int32) IsIntegerTy 

func (Int32) IsIntegerTy() bool

func (Int32) IsPtrTy 

func (Int32) IsPtrTy() bool

func (Int32) IsVoidTy 

func (Int32) IsVoidTy() bool

func (Int32) String 

func (Int32) String() string

type Int64 

type Int64 struct {
	// contains filtered or unexported fields
}

Int64 ... ----------------------

func (Int64) BitWidth 

func (i Int64) BitWidth() uint

func (Int64) IsArrayTy 

func (Int64) IsArrayTy() bool

func (Int64) IsFuncTy 

func (Int64) IsFuncTy() bool

func (Int64) IsIntegerTy 

func (Int64) IsIntegerTy() bool

func (Int64) IsPtrTy 

func (Int64) IsPtrTy() bool

func (Int64) IsVoidTy 

func (Int64) IsVoidTy() bool

func (Int64) String 

func (Int64) String() string

type Int8 

type Int8 struct {
	// contains filtered or unexported fields
}

Int8 ... ----------------------

func (Int8) BitWidth 

func (i Int8) BitWidth() uint

func (Int8) IsArrayTy 

func (Int8) IsArrayTy() bool

func (Int8) IsFuncTy 

func (Int8) IsFuncTy() bool

func (Int8) IsIntegerTy 

func (Int8) IsIntegerTy() bool

func (Int8) IsPtrTy 

func (Int8) IsPtrTy() bool

func (Int8) IsVoidTy 

func (Int8) IsVoidTy() bool

func (Int8) String 

func (Int8) String() string

type IntegerType 

type IntegerType interface {
	Type
	BitWidth() uint
}

IntegerType ... ----------------------

func GetIntegerType 

func GetIntegerType(numBits uint) IntegerType

type Jump 

type Jump struct {
	Op  Opcode
	Dst *BasicBlock
	// contains filtered or unexported fields
}

Jump --------------------------------

func CreateJmp 

func CreateJmp(dst *BasicBlock) *Jump

func (*Jump) Parent 

func (j *Jump) Parent() *BasicBlock

func (*Jump) SetParent 

func (j *Jump) SetParent(parent *BasicBlock)

func (*Jump) String 

func (j *Jump) String() string

type LabelType 

type LabelType struct {
	// contains filtered or unexported fields
}

LabelType ... ---------------------

func (LabelType) IsArrayTy 

func (LabelType) IsArrayTy() bool

func (LabelType) IsFuncTy 

func (LabelType) IsFuncTy() bool

func (LabelType) IsIntegerTy 

func (LabelType) IsIntegerTy() bool

func (LabelType) IsPtrTy 

func (LabelType) IsPtrTy() bool

func (LabelType) IsVoidTy 

func (LabelType) IsVoidTy() bool

func (LabelType) String 

func (l LabelType) String() string

type LinkageKind 

type LinkageKind int
const (
	Internal LinkageKind = iota
	External
)

type Load 

type Load struct {
	Op   Opcode
	Addr Expr
}

Load --------------------------

func CreateLoad 

func CreateLoad(addr Expr) *Load

func (Load) BaseName 

func (l Load) BaseName() string

func (Load) HasName 

func (l Load) HasName() bool

func (Load) Name 

func (l Load) Name() string

func (Load) NumOperands 

func (l Load) NumOperands() int

func (Load) Operand 

func (l Load) Operand(i int) Expr

func (Load) SetName 

func (l Load) SetName(string)

func (Load) String 

func (l Load) String() string

func (Load) Type 

func (l Load) Type() Type

type Module 

type Module struct {
	// contains filtered or unexported fields
}

func NewModule 

func NewModule(name string) *Module

func (*Module) GetFunction 

func (m *Module) GetFunction(name string) (F *Function)

func (*Module) GetFunctionList 

func (m *Module) GetFunctionList() []*Function

func (*Module) GetOrInsertFunction 

func (m *Module) GetOrInsertFunction(name string, ty *FunctionType, link LinkageKind) *Function

type ObjKind 

type ObjKind int
const (
	Var ObjKind = iota
	Const
	Func
)

type Object 

type Object interface {
	Name() string
	Type() Type
	Kind() ObjKind
	Offset() int
	Parent() Scope
	SetParent(Scope)
}

type Opcode 

type Opcode int
const (
	Invalid Opcode = iota

	Add
	Sub
	Mul
	Div

	Ld
	Str

	Xor
	Or
	And
	Shl
	LShr
	AShr

	Call
	Phi

	Eq
	Ne
	Gt
	Ge
	Lt
	Le

	Br
	Ret
	Jmp
)

func (Opcode) String 

func (op Opcode) String() string

type PHINode 

type PHINode struct {
	Op       Opcode
	Incoming []PHINodeIncoming
	// contains filtered or unexported fields
}

PHINode --------------------------

func CreateEmptyPHINode 

func CreateEmptyPHINode() *PHINode

func CreatePHINode 

func CreatePHINode(numIncomingPaths uint) *PHINode

func (*PHINode) AddIncoming 

func (phi *PHINode) AddIncoming(v Expr, blk *BasicBlock)

func (*PHINode) BaseName 

func (phi *PHINode) BaseName() string

func (*PHINode) HasName 

func (phi *PHINode) HasName() bool

func (*PHINode) Name 

func (phi *PHINode) Name() string

func (*PHINode) NumOperands 

func (phi *PHINode) NumOperands() int

func (*PHINode) Operand 

func (phi *PHINode) Operand(int) Expr

func (*PHINode) SetName 

func (phi *PHINode) SetName(string)

func (*PHINode) String 

func (phi *PHINode) String() string

func (*PHINode) Type 

func (phi *PHINode) Type() Type

type PHINodeIncoming 

type PHINodeIncoming struct {
	V   Expr
	Blk *BasicBlock
}

func (PHINodeIncoming) String 

func (p PHINodeIncoming) String() string

type PointerType 

type PointerType struct {
	// contains filtered or unexported fields
}

PointerType ... --------------------

func CreatePointerType 

func CreatePointerType(ty Type) *PointerType

func (PointerType) ElemType 

func (p PointerType) ElemType() Type

func (PointerType) IsArrayTy 

func (PointerType) IsArrayTy() bool

func (PointerType) IsFuncTy 

func (PointerType) IsFuncTy() bool

func (PointerType) IsIntegerTy 

func (PointerType) IsIntegerTy() bool

func (PointerType) IsPtrTy 

func (PointerType) IsPtrTy() bool

func (PointerType) IsVoidTy 

func (PointerType) IsVoidTy() bool

func (PointerType) String 

func (PointerType) String() string

type ProcCallInstr 

type ProcCallInstr struct {
	Op     Opcode
	Callee Expr
	Args   []Expr
	// contains filtered or unexported fields
}

ProcCallInstr ... --------------------

func CreateProcCall 

func CreateProcCall(callee Expr, args []Expr) *ProcCallInstr

func (*ProcCallInstr) Parent 

func (c *ProcCallInstr) Parent() *BasicBlock

func (*ProcCallInstr) SetParent 

func (c *ProcCallInstr) SetParent(parent *BasicBlock)

func (*ProcCallInstr) String 

func (c *ProcCallInstr) String() string

type Program 

type Program struct {
	Modules []*Module
}

func (*Program) AddModule 

func (p *Program) AddModule(mod *Module)

type PtrTy 

type PtrTy struct {
	To Type
}

PtrTy -------------------------------------------

func (PtrTy) IsArrayTy 

func (p PtrTy) IsArrayTy() bool

func (PtrTy) IsFuncTy 

func (p PtrTy) IsFuncTy() bool

func (PtrTy) IsIntegerTy 

func (p PtrTy) IsIntegerTy() bool

func (PtrTy) IsPtrTy 

func (p PtrTy) IsPtrTy() bool

func (PtrTy) IsVoidTy 

func (p PtrTy) IsVoidTy() bool

func (PtrTy) String 

func (p PtrTy) String() string

type Return 

type Return struct {
	Op    Opcode
	Value Expr
	// contains filtered or unexported fields
}

Return -----------------------------

func CreateRet 

func CreateRet(v Expr) *Return

func (*Return) Parent 

func (r *Return) Parent() *BasicBlock

func (*Return) SetParent 

func (r *Return) SetParent(parent *BasicBlock)

func (*Return) String 

func (r *Return) String() string

type Scope 

type Scope interface {
	Parent() Scope
	Size() int
	Lookup(string) Object
	Insert(Object) Object
}

type Stmt 

type Stmt interface {
	Parent() *BasicBlock
	SetParent(*BasicBlock)
	fmt.Stringer
	// contains filtered or unexported methods
}

type Store 

type Store struct {
	Op    Opcode
	Value Expr
	Addr  Expr
	// contains filtered or unexported fields
}

Store -----------------------

func CreateStore 

func CreateStore(addr, value Expr) *Store

func (*Store) Parent 

func (s *Store) Parent() *BasicBlock

func (*Store) SetParent 

func (s *Store) SetParent(parent *BasicBlock)

func (*Store) String 

func (s *Store) String() string

type SymbolTable 

type SymbolTable struct {
	// contains filtered or unexported fields
}

func NewScope 

func NewScope(parent Scope, name string) *SymbolTable

func (*SymbolTable) Elems 

func (s *SymbolTable) Elems() map[string]Object

func (*SymbolTable) Insert 

func (s *SymbolTable) Insert(obj Object) Object

func (*SymbolTable) Lookup 

func (s *SymbolTable) Lookup(name string) Object

Lookup checks the current and (possibly) parent (and ancestor) scopes for the object with the given name if no such object exists, return nil.

func (*SymbolTable) Parent 

func (s *SymbolTable) Parent() Scope

Parent returns the scope's containing (parent) scope.

func (*SymbolTable) Size 

func (s *SymbolTable) Size() int

Size returns the number of symbols in the scope.

type Temp 

type Temp struct {
	// contains filtered or unexported fields
}

Temp --------------------------------------

func NewTemp 

func NewTemp(name string, ty Type) *Temp

func (*Temp) BaseName 

func (t *Temp) BaseName() string

func (*Temp) HasName 

func (t *Temp) HasName() bool

func (*Temp) Name 

func (t *Temp) Name() string

func (*Temp) NumOperands 

func (t *Temp) NumOperands() int

func (*Temp) Operand 

func (t *Temp) Operand(i int) Expr

func (*Temp) SetName 

func (t *Temp) SetName(s string)

func (*Temp) String 

func (t *Temp) String() string

func (*Temp) Type 

func (t *Temp) Type() Type

type Type 

type Type interface {
	String() string

	IsIntegerTy() bool
	IsPtrTy() bool
	IsFuncTy() bool
	IsVoidTy() bool
	IsArrayTy() bool
	// contains filtered or unexported methods
}

type ValueSymbolTable 

type ValueSymbolTable map[string]*Function

type Variable 

type Variable struct {
	// contains filtered or unexported fields
}

Variable ----------------

func CreateVariableObject 

func CreateVariableObject(name string, ty Type, offset int, kind ObjKind) *Variable

func (*Variable) Kind 

func (v *Variable) Kind() ObjKind

func (*Variable) Name 

func (v *Variable) Name() string

func (*Variable) Offset 

func (v *Variable) Offset() int

func (*Variable) Parent 

func (v *Variable) Parent() Scope

func (*Variable) SetParent 

func (v *Variable) SetParent(s Scope)

func (*Variable) Type 

func (v *Variable) Type() Type

type Void 

type Void struct{}

Void ... ---------------

func (Void) IsArrayTy 

func (Void) IsArrayTy() bool

func (Void) IsFuncTy 

func (Void) IsFuncTy() bool

func (Void) IsIntegerTy 

func (Void) IsIntegerTy() bool

func (Void) IsPtrTy 

func (Void) IsPtrTy() bool

func (Void) IsVoidTy 

func (Void) IsVoidTy() bool

func (Void) String 

func (Void) String() string

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