ast

package
v0.0.3 Latest Latest
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 Go to latest Published: Feb 1, 2024 License: Apache-2.0 Imports: 13 Imported by: 0

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Constants

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const (
	UNKNOWN = -1
)

Variables

This section is empty.

Functions

func EvalMain 

func EvalMain(bf *OptFunction, en envir.Environment) (interface{}, error)

func FunctionLookup 

func FunctionLookup(sym *envir.Symbols, params *ParameterList, body *BlockStmt) int

Types

type ASTLeaf 

type ASTLeaf struct {
	Token token.Token
}

func NewASTLeaf 

func NewASTLeaf(token token.Token) *ASTLeaf

func (*ASTLeaf) Child 

func (leaf *ASTLeaf) Child(i int) (ASTree, error)

func (*ASTLeaf) Children 

func (leaf *ASTLeaf) Children() *base.List[ASTree]

func (*ASTLeaf) Eval 

func (leaf *ASTLeaf) Eval(env envir.Environment) (interface{}, error)

func (*ASTLeaf) GetString 

func (leaf *ASTLeaf) GetString() (string, error)

func (*ASTLeaf) GetToken 

func (leaf *ASTLeaf) GetToken() token.Token

func (*ASTLeaf) Location 

func (leaf *ASTLeaf) Location() string

func (*ASTLeaf) Lookup 

func (leaf *ASTLeaf) Lookup(sym *envir.Symbols)

func (*ASTLeaf) NumChildren 

func (leaf *ASTLeaf) NumChildren() int

type ASTList 

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

func NewASTList 

func NewASTList(l *base.List[ASTree]) *ASTList

func (*ASTList) Child 

func (l *ASTList) Child(i int) (ASTree, error)

func (*ASTList) Children 

func (l *ASTList) Children() *base.List[ASTree]

func (*ASTList) Eval 

func (l *ASTList) Eval(env envir.Environment) (interface{}, error)

func (*ASTList) GetString 

func (l *ASTList) GetString() (string, error)

func (*ASTList) Location 

func (l *ASTList) Location() string

func (*ASTList) Lookup 

func (l *ASTList) Lookup(sym *envir.Symbols)

func (*ASTList) NumChildren 

func (l *ASTList) NumChildren() int

type ASTree 

type ASTree interface {
	Child(i int) (ASTree, error)
	NumChildren() int
	Children() *base.List[ASTree]
	Location() string
	GetString() (string, error)
	Eval(env envir.Environment) (interface{}, error)
	Lookup(sym *envir.Symbols)
}

func NewPrimaryExpr 

func NewPrimaryExpr(l *base.List[ASTree]) ASTree

type Arguments 

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

func NewArguments 

func NewArguments(l *base.List[ASTree]) *Arguments

func (*Arguments) Child 

func (a *Arguments) Child(i int) (ASTree, error)

func (*Arguments) Children 

func (a *Arguments) Children() *base.List[ASTree]

func (*Arguments) Eval 

func (a *Arguments) Eval(env envir.Environment) (interface{}, error)

func (*Arguments) Eval0 

func (a *Arguments) Eval0(en envir.Environment, value interface{}) (interface{}, error)

func (*Arguments) GetString 

func (a *Arguments) GetString() (string, error)

func (*Arguments) Location 

func (a *Arguments) Location() string

func (*Arguments) Lookup 

func (a *Arguments) Lookup(sym *envir.Symbols)

func (*Arguments) NumChildren 

func (a *Arguments) NumChildren() int

func (*Arguments) Size 

func (a *Arguments) Size() int

type ArrayLiteral 

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

func NewArrayLiteral 

func NewArrayLiteral(l *base.List[ASTree]) *ArrayLiteral

func (*ArrayLiteral) Child 

func (a *ArrayLiteral) Child(i int) (ASTree, error)

func (*ArrayLiteral) Children 

func (a *ArrayLiteral) Children() *base.List[ASTree]

func (*ArrayLiteral) Eval 

func (a *ArrayLiteral) Eval(env envir.Environment) (interface{}, error)

func (*ArrayLiteral) GetString 

func (a *ArrayLiteral) GetString() (string, error)

func (*ArrayLiteral) Location 

func (a *ArrayLiteral) Location() string

func (*ArrayLiteral) Lookup 

func (a *ArrayLiteral) Lookup(sym *envir.Symbols)

func (*ArrayLiteral) NumChildren 

func (a *ArrayLiteral) NumChildren() int

func (*ArrayLiteral) Size 

func (a *ArrayLiteral) Size() int

type ArrayRef 

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

func NewArrayRef 

func NewArrayRef(l *base.List[ASTree]) *ArrayRef

func (*ArrayRef) Child 

func (a *ArrayRef) Child(i int) (ASTree, error)

func (*ArrayRef) Children 

func (a *ArrayRef) Children() *base.List[ASTree]

func (*ArrayRef) Eval 

func (a *ArrayRef) Eval(env envir.Environment) (interface{}, error)

func (*ArrayRef) Eval0 

func (a *ArrayRef) Eval0(env envir.Environment, value interface{}) (interface{}, error)

func (*ArrayRef) GetString 

func (a *ArrayRef) GetString() (string, error)

func (*ArrayRef) Index 

func (a *ArrayRef) Index() (ASTree, error)

func (*ArrayRef) Location 

func (a *ArrayRef) Location() string

func (*ArrayRef) Lookup 

func (a *ArrayRef) Lookup(sym *envir.Symbols)

func (*ArrayRef) NumChildren 

func (a *ArrayRef) NumChildren() int

type BinaryExpr 

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

func NewBinaryExpr 

func NewBinaryExpr(l *base.List[ASTree]) *BinaryExpr

func (*BinaryExpr) Child 

func (b *BinaryExpr) Child(i int) (ASTree, error)

func (*BinaryExpr) Children 

func (b *BinaryExpr) Children() *base.List[ASTree]

func (*BinaryExpr) Eval 

func (b *BinaryExpr) Eval(env envir.Environment) (interface{}, error)

func (*BinaryExpr) GetString 

func (b *BinaryExpr) GetString() (string, error)

func (*BinaryExpr) Location 

func (b *BinaryExpr) Location() string

func (*BinaryExpr) Lookup 

func (b *BinaryExpr) Lookup(sym *envir.Symbols)

func (*BinaryExpr) NumChildren 

func (b *BinaryExpr) NumChildren() int

type BlockStmt 

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

func NewBlockStmt 

func NewBlockStmt(l *base.List[ASTree]) *BlockStmt

func (*BlockStmt) Child 

func (b *BlockStmt) Child(i int) (ASTree, error)

func (*BlockStmt) Children 

func (b *BlockStmt) Children() *base.List[ASTree]

func (*BlockStmt) Eval 

func (b *BlockStmt) Eval(env envir.Environment) (interface{}, error)

func (*BlockStmt) GetString 

func (b *BlockStmt) GetString() (string, error)

func (*BlockStmt) Location 

func (b *BlockStmt) Location() string

func (*BlockStmt) Lookup 

func (b *BlockStmt) Lookup(sym *envir.Symbols)

func (*BlockStmt) NumChildren 

func (b *BlockStmt) NumChildren() int

type BreakSignal 

type BreakSignal struct {
	Val bool
}

BreakSignal control break while

type BreakStmt 

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

func NewBreakStmt 

func NewBreakStmt(l *base.List[ASTree]) *BreakStmt

func (*BreakStmt) Child 

func (b *BreakStmt) Child(i int) (ASTree, error)

func (*BreakStmt) Children 

func (b *BreakStmt) Children() *base.List[ASTree]

func (*BreakStmt) Eval 

func (b *BreakStmt) Eval(env envir.Environment) (interface{}, error)

func (*BreakStmt) GetString 

func (b *BreakStmt) GetString() (string, error)

func (*BreakStmt) Location 

func (b *BreakStmt) Location() string

func (*BreakStmt) Lookup 

func (b *BreakStmt) Lookup(sym *envir.Symbols)

func (*BreakStmt) NumChildren 

func (b *BreakStmt) NumChildren() int

type ContinueSignal 

type ContinueSignal struct {
	Val bool
}

ContinueSignal control continue while

type ContinueStmt 

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

func NewContinueStmt 

func NewContinueStmt(l *base.List[ASTree]) *ContinueStmt

func (*ContinueStmt) Child 

func (c *ContinueStmt) Child(i int) (ASTree, error)

func (*ContinueStmt) Children 

func (c *ContinueStmt) Children() *base.List[ASTree]

func (*ContinueStmt) Eval 

func (c *ContinueStmt) Eval(env envir.Environment) (interface{}, error)

func (*ContinueStmt) GetString 

func (c *ContinueStmt) GetString() (string, error)

func (*ContinueStmt) Location 

func (c *ContinueStmt) Location() string

func (*ContinueStmt) Lookup 

func (c *ContinueStmt) Lookup(sym *envir.Symbols)

func (*ContinueStmt) NumChildren 

func (c *ContinueStmt) NumChildren() int

type DefStmt 

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

func NewDefStmt 

func NewDefStmt(l *base.List[ASTree]) *DefStmt

func (*DefStmt) Body 

func (d *DefStmt) Body() (*BlockStmt, error)

func (*DefStmt) Child 

func (d *DefStmt) Child(i int) (ASTree, error)

func (*DefStmt) Children 

func (d *DefStmt) Children() *base.List[ASTree]

func (*DefStmt) Eval 

func (d *DefStmt) Eval(en envir.Environment) (interface{}, error)

func (*DefStmt) GetString 

func (d *DefStmt) GetString() (string, error)

func (*DefStmt) Location 

func (d *DefStmt) Location() string

func (*DefStmt) Lookup 

func (d *DefStmt) Lookup(sym *envir.Symbols)

func (*DefStmt) Name 

func (d *DefStmt) Name() (string, error)

func (*DefStmt) NumChildren 

func (d *DefStmt) NumChildren() int

func (*DefStmt) Parameters 

func (d *DefStmt) Parameters() (*ParameterList, error)

type ForStmt 

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

func NewForStmt 

func NewForStmt(l *base.List[ASTree]) *ForStmt

func (*ForStmt) Child 

func (w *ForStmt) Child(i int) (ASTree, error)

func (*ForStmt) Children 

func (w *ForStmt) Children() *base.List[ASTree]

func (*ForStmt) Eval 

func (w *ForStmt) Eval(en envir.Environment) (interface{}, error)

func (*ForStmt) GetString 

func (w *ForStmt) GetString() (string, error)

func (*ForStmt) Location 

func (w *ForStmt) Location() string

func (*ForStmt) Lookup 

func (w *ForStmt) Lookup(sym *envir.Symbols)

func (*ForStmt) NumChildren 

func (w *ForStmt) NumChildren() int

type Function 

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

func NewFunction 

func NewFunction(parameters *ParameterList,
	body *BlockStmt, en envir.Environment) *Function

func (*Function) Body 

func (f *Function) Body() *BlockStmt

func (*Function) Parameters 

func (f *Function) Parameters() *ParameterList

type GoStmt 

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

func NewGoStmt 

func NewGoStmt(l *base.List[ASTree]) *GoStmt

func (*GoStmt) Child 

func (g *GoStmt) Child(i int) (ASTree, error)

func (*GoStmt) Children 

func (g *GoStmt) Children() *base.List[ASTree]

func (*GoStmt) Eval 

func (g *GoStmt) Eval(env envir.Environment) (interface{}, error)

func (*GoStmt) GetString 

func (g *GoStmt) GetString() (string, error)

func (*GoStmt) Location 

func (g *GoStmt) Location() string

func (*GoStmt) Lookup 

func (g *GoStmt) Lookup(sym *envir.Symbols)

func (*GoStmt) NumChildren 

func (g *GoStmt) NumChildren() int

type IfStmt 

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

func NewIfStmt 

func NewIfStmt(l *base.List[ASTree]) *IfStmt

func (*IfStmt) Child 

func (is *IfStmt) Child(i int) (ASTree, error)

func (*IfStmt) Children 

func (is *IfStmt) Children() *base.List[ASTree]

func (*IfStmt) Condition 

func (is *IfStmt) Condition() (ASTree, error)

func (*IfStmt) ElseBlock 

func (is *IfStmt) ElseBlock() (ASTree, error)

func (*IfStmt) Eval 

func (is *IfStmt) Eval(en envir.Environment) (interface{}, error)

func (*IfStmt) GetString 

func (is *IfStmt) GetString() (string, error)

func (*IfStmt) Location 

func (is *IfStmt) Location() string

func (*IfStmt) Lookup 

func (is *IfStmt) Lookup(sym *envir.Symbols)

func (*IfStmt) NumChildren 

func (is *IfStmt) NumChildren() int

func (*IfStmt) ThenBlock 

func (is *IfStmt) ThenBlock() (ASTree, error)

type IncludeStmt 

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

func NewIncludeStmt 

func NewIncludeStmt(l *base.List[ASTree]) *IncludeStmt

func (*IncludeStmt) Child 

func (ic *IncludeStmt) Child(i int) (ASTree, error)

func (*IncludeStmt) Children 

func (ic *IncludeStmt) Children() *base.List[ASTree]

func (*IncludeStmt) Eval 

func (ic *IncludeStmt) Eval(en envir.Environment) (interface{}, error)

func (*IncludeStmt) GetString 

func (ic *IncludeStmt) GetString() (string, error)

func (*IncludeStmt) Location 

func (ic *IncludeStmt) Location() string

func (*IncludeStmt) Lookup 

func (ic *IncludeStmt) Lookup(sym *envir.Symbols)

func (*IncludeStmt) NumChildren 

func (ic *IncludeStmt) NumChildren() int

type Name 

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

func NewName 

func NewName(t token.Token) *Name

func (*Name) Child 

func (n *Name) Child(i int) (ASTree, error)

func (*Name) Children 

func (n *Name) Children() *base.List[ASTree]

func (*Name) Eval 

func (n *Name) Eval(env envir.Environment) (interface{}, error)

func (*Name) EvalForAssign 

func (n *Name) EvalForAssign(env envir.Environment, value interface{})

func (*Name) GetString 

func (n *Name) GetString() (string, error)

func (*Name) Location 

func (n *Name) Location() string

func (*Name) Lookup 

func (n *Name) Lookup(sym *envir.Symbols)

func (*Name) LookupForAssign 

func (n *Name) LookupForAssign(sym *envir.Symbols)

func (*Name) Name 

func (n *Name) Name() (string, error)

func (*Name) NumChildren 

func (n *Name) NumChildren() int

func (*Name) Token 

func (n *Name) Token() token.Token

type NegativeExpr 

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

func NewNegativeExpr 

func NewNegativeExpr(l *base.List[ASTree]) *NegativeExpr

func (*NegativeExpr) Child 

func (n *NegativeExpr) Child(i int) (ASTree, error)

func (*NegativeExpr) Children 

func (n *NegativeExpr) Children() *base.List[ASTree]

func (*NegativeExpr) Eval 

func (n *NegativeExpr) Eval(env envir.Environment) (interface{}, error)

func (*NegativeExpr) GetString 

func (n *NegativeExpr) GetString() (string, error)

func (*NegativeExpr) Location 

func (n *NegativeExpr) Location() string

func (*NegativeExpr) Lookup 

func (n *NegativeExpr) Lookup(sym *envir.Symbols)

func (*NegativeExpr) NumChildren 

func (n *NegativeExpr) NumChildren() int

type NotExpr 

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

func NewNotExpr 

func NewNotExpr(l *base.List[ASTree]) *NotExpr

func (*NotExpr) Child 

func (n *NotExpr) Child(i int) (ASTree, error)

func (*NotExpr) Children 

func (n *NotExpr) Children() *base.List[ASTree]

func (*NotExpr) Eval 

func (n *NotExpr) Eval(env envir.Environment) (interface{}, error)

func (*NotExpr) GetString 

func (n *NotExpr) GetString() (string, error)

func (*NotExpr) Location 

func (n *NotExpr) Location() string

func (*NotExpr) Lookup 

func (n *NotExpr) Lookup(sym *envir.Symbols)

func (*NotExpr) NumChildren 

func (n *NotExpr) NumChildren() int

type NullStmt 

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

func NewNullStmt 

func NewNullStmt(l *base.List[ASTree]) *NullStmt

func (*NullStmt) Child 

func (n *NullStmt) Child(i int) (ASTree, error)

func (*NullStmt) Children 

func (n *NullStmt) Children() *base.List[ASTree]

func (*NullStmt) Eval 

func (n *NullStmt) Eval(env envir.Environment) (interface{}, error)

func (*NullStmt) GetString 

func (n *NullStmt) GetString() (string, error)

func (*NullStmt) Location 

func (n *NullStmt) Location() string

func (*NullStmt) Lookup 

func (n *NullStmt) Lookup(sym *envir.Symbols)

func (*NullStmt) NumChildren 

func (n *NullStmt) NumChildren() int

type NumberLiteral 

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

func NewNumberLiteral 

func NewNumberLiteral(t token.Token) *NumberLiteral

func (*NumberLiteral) Child 

func (n *NumberLiteral) Child(i int) (ASTree, error)

func (*NumberLiteral) Children 

func (n *NumberLiteral) Children() *base.List[ASTree]

func (*NumberLiteral) Eval 

func (n *NumberLiteral) Eval(env envir.Environment) (interface{}, error)

func (*NumberLiteral) GetString 

func (n *NumberLiteral) GetString() (string, error)

func (*NumberLiteral) Location 

func (n *NumberLiteral) Location() string

func (*NumberLiteral) Lookup 

func (n *NumberLiteral) Lookup(sym *envir.Symbols)

func (*NumberLiteral) NumChildren 

func (n *NumberLiteral) NumChildren() int

func (*NumberLiteral) String 

func (n *NumberLiteral) String() string

func (*NumberLiteral) Value 

func (n *NumberLiteral) Value() (interface{}, error)

type OptFunction 

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

func NewOptFunction 

func NewOptFunction(parameters *ParameterList,
	body *BlockStmt, en envir.Environment, memorySize int) *OptFunction

func (*OptFunction) Body 

func (o *OptFunction) Body() *BlockStmt

func (*OptFunction) MakeEnv 

func (o *OptFunction) MakeEnv() envir.Environment

func (*OptFunction) Parameters 

func (o *OptFunction) Parameters() *ParameterList

type ParameterList 

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

func NewParameterList 

func NewParameterList(l *base.List[ASTree]) *ParameterList

func (*ParameterList) Child 

func (p *ParameterList) Child(i int) (ASTree, error)

func (*ParameterList) Children 

func (p *ParameterList) Children() *base.List[ASTree]

func (*ParameterList) Eval 

func (p *ParameterList) Eval(env envir.Environment) (interface{}, error)

func (*ParameterList) Eval0 

func (p *ParameterList) Eval0(env envir.Environment, index int, val interface{})

func (*ParameterList) GetString 

func (p *ParameterList) GetString() (string, error)

func (*ParameterList) Location 

func (p *ParameterList) Location() string

func (*ParameterList) Lookup 

func (p *ParameterList) Lookup(sym *envir.Symbols)

func (*ParameterList) Name 

func (p *ParameterList) Name(i int) (string, error)

func (*ParameterList) NumChildren 

func (p *ParameterList) NumChildren() int

func (*ParameterList) Size 

func (p *ParameterList) Size() int

type Postfix 

type Postfix interface {
	Eval0(env envir.Environment, value interface{}) (interface{}, error)
}

type PrimaryExpr 

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

func (*PrimaryExpr) Child 

func (p *PrimaryExpr) Child(i int) (ASTree, error)

func (*PrimaryExpr) Children 

func (p *PrimaryExpr) Children() *base.List[ASTree]

func (*PrimaryExpr) Eval 

func (p *PrimaryExpr) Eval(env envir.Environment) (interface{}, error)

func (*PrimaryExpr) GetString 

func (p *PrimaryExpr) GetString() (string, error)

func (*PrimaryExpr) HasPostfix 

func (p *PrimaryExpr) HasPostfix(nest int) bool

func (*PrimaryExpr) Location 

func (p *PrimaryExpr) Location() string

func (*PrimaryExpr) Lookup 

func (p *PrimaryExpr) Lookup(sym *envir.Symbols)

func (*PrimaryExpr) NumChildren 

func (p *PrimaryExpr) NumChildren() int

func (*PrimaryExpr) Operand 

func (p *PrimaryExpr) Operand() (ASTree, error)

func (*PrimaryExpr) Postfix 

func (p *PrimaryExpr) Postfix(nest int) Postfix

type ReturnSignal 

type ReturnSignal struct {
	Val interface{}
}

type ReturnStmt 

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

func NewReturnStmt 

func NewReturnStmt(l *base.List[ASTree]) *ReturnStmt

func (*ReturnStmt) Child 

func (r *ReturnStmt) Child(i int) (ASTree, error)

func (*ReturnStmt) Children 

func (r *ReturnStmt) Children() *base.List[ASTree]

func (*ReturnStmt) Eval 

func (r *ReturnStmt) Eval(env envir.Environment) (interface{}, error)

func (*ReturnStmt) GetString 

func (r *ReturnStmt) GetString() (string, error)

func (*ReturnStmt) Location 

func (r *ReturnStmt) Location() string

func (*ReturnStmt) Lookup 

func (r *ReturnStmt) Lookup(sym *envir.Symbols)

func (*ReturnStmt) NumChildren 

func (r *ReturnStmt) NumChildren() int

type StringLiteral 

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

func NewStringLiteral 

func NewStringLiteral(t token.Token) *StringLiteral

func (*StringLiteral) Child 

func (s *StringLiteral) Child(i int) (ASTree, error)

func (*StringLiteral) Children 

func (s *StringLiteral) Children() *base.List[ASTree]

func (*StringLiteral) Eval 

func (s *StringLiteral) Eval(env envir.Environment) (interface{}, error)

func (*StringLiteral) GetString 

func (s *StringLiteral) GetString() (string, error)

func (*StringLiteral) Location 

func (s *StringLiteral) Location() string

func (*StringLiteral) Lookup 

func (s *StringLiteral) Lookup(sym *envir.Symbols)

func (*StringLiteral) NumChildren 

func (s *StringLiteral) NumChildren() int

func (*StringLiteral) Value 

func (s *StringLiteral) Value() (string, error)

type WhileStmt 

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

func NewWhileStmt 

func NewWhileStmt(l *base.List[ASTree]) *WhileStmt

func (*WhileStmt) Body 

func (w *WhileStmt) Body() (ASTree, error)

func (*WhileStmt) Child 

func (w *WhileStmt) Child(i int) (ASTree, error)

func (*WhileStmt) Children 

func (w *WhileStmt) Children() *base.List[ASTree]

func (*WhileStmt) Condition 

func (w *WhileStmt) Condition() (ASTree, error)

func (*WhileStmt) Eval 

func (w *WhileStmt) Eval(en envir.Environment) (interface{}, error)

func (*WhileStmt) GetString 

func (w *WhileStmt) GetString() (string, error)

func (*WhileStmt) Location 

func (w *WhileStmt) Location() string

func (*WhileStmt) Lookup 

func (w *WhileStmt) Lookup(sym *envir.Symbols)

func (*WhileStmt) NumChildren 

func (w *WhileStmt) NumChildren() int

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