ast

package
v0.0.0-...-2dc9ae7 Latest Latest
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 Go to latest Published: Sep 13, 2020 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Overview

Package ast defines the Abstract Syntax Tree for our language.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type ArrayLiteral 

type ArrayLiteral struct {
	Token    token.Token // The '[' token
	Elements []Expression
}

ArrayLiteral represents a prefix expression.

func (*ArrayLiteral) String 

func (al *ArrayLiteral) String() string

String returns the string representation of the Node.

func (*ArrayLiteral) TokenLiteral 

func (al *ArrayLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type BlockStatement 

type BlockStatement struct {
	Token      token.Token // The "if" token
	Statements []Statement
}

BlockStatement represents a block statement.

func (*BlockStatement) String 

func (bs *BlockStatement) String() string

String returns the string representation of the Node.

func (*BlockStatement) TokenLiteral 

func (bs *BlockStatement) TokenLiteral() string

TokenLiteral returns the token literal.

type BooleanLiteral 

type BooleanLiteral struct {
	Token token.Token
	Value bool
}

BooleanLiteral represents a boolean literal.

func (*BooleanLiteral) String 

func (bl *BooleanLiteral) String() string

String returns the string representation of the Node.

func (*BooleanLiteral) TokenLiteral 

func (bl *BooleanLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type CallExpression 

type CallExpression struct {
	Token     token.Token // The "(" token
	Function  Expression
	Arguments []Expression
}

CallExpression represents a call expression.

func (*CallExpression) String 

func (ce *CallExpression) String() string

String returns the string representation of the Node.

func (*CallExpression) TokenLiteral 

func (ce *CallExpression) TokenLiteral() string

TokenLiteral returns the token literal.

type CirclePrimitive 

type CirclePrimitive struct {
	Token     token.Token
	Arguments []Expression
}

CirclePrimitive represents a CSG primitive.

func (*CirclePrimitive) String 

func (cp *CirclePrimitive) String() string

String returns the string representation of the Node.

func (*CirclePrimitive) TokenLiteral 

func (cp *CirclePrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type ColorBlockPrimitive 

type ColorBlockPrimitive struct {
	Token     token.Token
	Arguments []Expression
	Body      *BlockStatement
}

ColorBlockPrimitive represents a CSG block primitive.

func (*ColorBlockPrimitive) String 

func (cbp *ColorBlockPrimitive) String() string

String returns the string representation of the Node.

func (*ColorBlockPrimitive) TokenLiteral 

func (cbp *ColorBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type CubePrimitive 

type CubePrimitive struct {
	Token     token.Token
	Arguments []Expression
}

CubePrimitive represents a CSG primitive.

func (*CubePrimitive) String 

func (cp *CubePrimitive) String() string

String returns the string representation of the Node.

func (*CubePrimitive) TokenLiteral 

func (cp *CubePrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type CylinderPrimitive 

type CylinderPrimitive struct {
	Token     token.Token
	Arguments []Expression
}

CylinderPrimitive represents a CSG primitive.

func (*CylinderPrimitive) String 

func (cp *CylinderPrimitive) String() string

String returns the string representation of the Node.

func (*CylinderPrimitive) TokenLiteral 

func (cp *CylinderPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type DifferenceBlockPrimitive 

type DifferenceBlockPrimitive struct {
	Token token.Token
	Body  *BlockStatement
}

DifferenceBlockPrimitive represents a CSG block primitive.

func (*DifferenceBlockPrimitive) String 

func (dbp *DifferenceBlockPrimitive) String() string

String returns the string representation of the Node.

func (*DifferenceBlockPrimitive) TokenLiteral 

func (dbp *DifferenceBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type Expression 

type Expression interface {
	Node
	// contains filtered or unexported methods
}

Expression respresents an expression in our abstract syntax tree.

type ExpressionStatement 

type ExpressionStatement struct {
	Token      token.Token // the first token of the expression
	Expression Expression
}

ExpressionStatement represents an expression statement.

func (*ExpressionStatement) String 

func (es *ExpressionStatement) String() string

String returns the string representation of the Node.

func (*ExpressionStatement) TokenLiteral 

func (es *ExpressionStatement) TokenLiteral() string

TokenLiteral returns the token literal.

type FloatLiteral 

type FloatLiteral struct {
	Token token.Token
	Value float64
}

FloatLiteral represents a float literal.

func (*FloatLiteral) String 

func (fl *FloatLiteral) String() string

String returns the string representation of the Node.

func (*FloatLiteral) TokenLiteral 

func (fl *FloatLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type FunctionLiteral 

type FunctionLiteral struct {
	Token      token.Token // The "function" token
	Parameters []*Identifier
	Body       *BlockStatement
}

FunctionLiteral represents a function literal.

func (*FunctionLiteral) String 

func (fl *FunctionLiteral) String() string

String returns the string representation of the Node.

func (*FunctionLiteral) TokenLiteral 

func (fl *FunctionLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type GroupBlockPrimitive 

type GroupBlockPrimitive struct {
	Token token.Token
	Body  *BlockStatement
}

GroupBlockPrimitive represents a CSG block primitive.

func (*GroupBlockPrimitive) String 

func (gbp *GroupBlockPrimitive) String() string

String returns the string representation of the Node.

func (*GroupBlockPrimitive) TokenLiteral 

func (gbp *GroupBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type GroupPrimitive 

type GroupPrimitive struct {
	Token     token.Token
	Arguments []Expression
}

GroupPrimitive represents a CSG primitive.

func (*GroupPrimitive) String 

func (gp *GroupPrimitive) String() string

String returns the string representation of the Node.

func (*GroupPrimitive) TokenLiteral 

func (gp *GroupPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type HashLiteral 

type HashLiteral struct {
	Token token.Token // The '{' token
	Pairs map[Expression]Expression
}

HashLiteral represents a prefix expression.

func (*HashLiteral) String 

func (hl *HashLiteral) String() string

String returns the string representation of the Node.

func (*HashLiteral) TokenLiteral 

func (hl *HashLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type HullBlockPrimitive 

type HullBlockPrimitive struct {
	Token token.Token
	Body  *BlockStatement
}

HullBlockPrimitive represents a CSG block primitive.

func (*HullBlockPrimitive) String 

func (hbp *HullBlockPrimitive) String() string

String returns the string representation of the Node.

func (*HullBlockPrimitive) TokenLiteral 

func (hbp *HullBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type Identifier 

type Identifier struct {
	Token token.Token // the token.IDENT token
	Value string
}

Identifier represents an identifier.

func (*Identifier) String 

func (i *Identifier) String() string

String returns the string representation of the Node.

func (*Identifier) TokenLiteral 

func (i *Identifier) TokenLiteral() string

TokenLiteral returns the token literal.

type IfExpression 

type IfExpression struct {
	Token       token.Token // The "if" token
	Condition   Expression
	Consequence *BlockStatement
	Alternative *BlockStatement
}

IfExpression represents an "if" expression.

func (*IfExpression) String 

func (ie *IfExpression) String() string

String returns the string representation of the Node.

func (*IfExpression) TokenLiteral 

func (ie *IfExpression) TokenLiteral() string

TokenLiteral returns the token literal.

type IndexExpression 

type IndexExpression struct {
	Token token.Token // The '[' token
	Left  Expression
	Index Expression
}

IndexExpression represents a prefix expression.

func (*IndexExpression) String 

func (ie *IndexExpression) String() string

String returns the string representation of the Node.

func (*IndexExpression) TokenLiteral 

func (ie *IndexExpression) TokenLiteral() string

TokenLiteral returns the token literal.

type InfixExpression 

type InfixExpression struct {
	Token    token.Token // The infix token, e.g. ==
	Left     Expression
	Operator string
	Right    Expression
}

InfixExpression represents an infix expression.

func (*InfixExpression) String 

func (pe *InfixExpression) String() string

String returns the string representation of the Node.

func (*InfixExpression) TokenLiteral 

func (pe *InfixExpression) TokenLiteral() string

TokenLiteral returns the token literal.

type IntegerLiteral 

type IntegerLiteral struct {
	Token token.Token
	Value int64
}

IntegerLiteral represents an integer literal.

func (*IntegerLiteral) String 

func (il *IntegerLiteral) String() string

String returns the string representation of the Node.

func (*IntegerLiteral) TokenLiteral 

func (il *IntegerLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type IntersectionBlockPrimitive 

type IntersectionBlockPrimitive struct {
	Token token.Token
	Body  *BlockStatement
}

IntersectionBlockPrimitive represents a CSG block primitive.

func (*IntersectionBlockPrimitive) String 

func (ibp *IntersectionBlockPrimitive) String() string

String returns the string representation of the Node.

func (*IntersectionBlockPrimitive) TokenLiteral 

func (ibp *IntersectionBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type LetStatement 

type LetStatement struct {
	Token token.Token // the token.LET token
	Name  *Identifier
	Value Expression
}

LetStatement represents a 'let' statement.

func (*LetStatement) String 

func (ls *LetStatement) String() string

String returns the string representation of the Node.

func (*LetStatement) TokenLiteral 

func (ls *LetStatement) TokenLiteral() string

TokenLiteral returns the token literal.

type LineComment 

type LineComment struct {
	Token token.Token // the token.IDENT token
	Value string
}

LineComment represents a line comment.

func (*LineComment) String 

func (i *LineComment) String() string

String returns the string representation of the Node.

func (*LineComment) TokenLiteral 

func (i *LineComment) TokenLiteral() string

TokenLiteral returns the token literal.

type LinearExtrudeBlockPrimitive 

type LinearExtrudeBlockPrimitive struct {
	Token     token.Token
	Arguments []Expression
	Body      *BlockStatement
}

LinearExtrudeBlockPrimitive represents a CSG block primitive.

func (*LinearExtrudeBlockPrimitive) String 

func (lebp *LinearExtrudeBlockPrimitive) String() string

String returns the string representation of the Node.

func (*LinearExtrudeBlockPrimitive) TokenLiteral 

func (lebp *LinearExtrudeBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type MinkowskiBlockPrimitive 

type MinkowskiBlockPrimitive struct {
	Token     token.Token
	Arguments []Expression
	Body      *BlockStatement
}

MinkowskiBlockPrimitive represents a CSG block primitive.

func (*MinkowskiBlockPrimitive) String 

func (mbp *MinkowskiBlockPrimitive) String() string

String returns the string representation of the Node.

func (*MinkowskiBlockPrimitive) TokenLiteral 

func (mbp *MinkowskiBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type MultmatrixBlockPrimitive 

type MultmatrixBlockPrimitive struct {
	Token     token.Token
	Arguments []Expression
	Body      *BlockStatement
}

MultmatrixBlockPrimitive represents a CSG block primitive.

func (*MultmatrixBlockPrimitive) String 

func (mbp *MultmatrixBlockPrimitive) String() string

String returns the string representation of the Node.

func (*MultmatrixBlockPrimitive) TokenLiteral 

func (mbp *MultmatrixBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type NamedArgument 

type NamedArgument struct {
	Token token.Token
	Name  Expression
	Value Expression
}

NamedArgument represents a CSG named argument.

func (*NamedArgument) String 

func (cp *NamedArgument) String() string

String returns the string representation of the Node.

func (*NamedArgument) TokenLiteral 

func (cp *NamedArgument) TokenLiteral() string

TokenLiteral returns the token literal.

type Node 

type Node interface {
	String() string
	TokenLiteral() string
}

Node represents a node in our abstract syntax tree.

type PolygonPrimitive 

type PolygonPrimitive struct {
	Token     token.Token
	Arguments []Expression
}

PolygonPrimitive represents a CSG primitive.

func (*PolygonPrimitive) String 

func (pp *PolygonPrimitive) String() string

String returns the string representation of the Node.

func (*PolygonPrimitive) TokenLiteral 

func (pp *PolygonPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type PolyhedronPrimitive 

type PolyhedronPrimitive struct {
	Token     token.Token
	Arguments []Expression
}

PolyhedronPrimitive represents a CSG primitive.

func (*PolyhedronPrimitive) String 

func (pp *PolyhedronPrimitive) String() string

String returns the string representation of the Node.

func (*PolyhedronPrimitive) TokenLiteral 

func (pp *PolyhedronPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type PrefixExpression 

type PrefixExpression struct {
	Token    token.Token // The prefix token, e.g. !
	Operator string
	Right    Expression
}

PrefixExpression represents a prefix expression.

func (*PrefixExpression) String 

func (pe *PrefixExpression) String() string

String returns the string representation of the Node.

func (*PrefixExpression) TokenLiteral 

func (pe *PrefixExpression) TokenLiteral() string

TokenLiteral returns the token literal.

type Program 

type Program struct {
	Statements []Statement
}

Program represents a program using our abstract syntax tree.

func (*Program) String 

func (p *Program) String() string

String returns the string representation of the Node.

func (*Program) TokenLiteral 

func (p *Program) TokenLiteral() string

TokenLiteral returns the first token literal of the program.

type ProjectionBlockPrimitive 

type ProjectionBlockPrimitive struct {
	Token     token.Token
	Arguments []Expression
	Body      *BlockStatement
}

ProjectionBlockPrimitive represents a CSG block primitive.

func (*ProjectionBlockPrimitive) String 

func (pbp *ProjectionBlockPrimitive) String() string

String returns the string representation of the Node.

func (*ProjectionBlockPrimitive) TokenLiteral 

func (pbp *ProjectionBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type ReturnStatement 

type ReturnStatement struct {
	Token       token.Token // the token.RETURN token
	ReturnValue Expression
}

ReturnStatement respresents a 'return' statement.

func (*ReturnStatement) String 

func (rs *ReturnStatement) String() string

String returns the string representation of the Node.

func (*ReturnStatement) TokenLiteral 

func (rs *ReturnStatement) TokenLiteral() string

TokenLiteral returns the token literal.

type RotateExtrudeBlockPrimitive 

type RotateExtrudeBlockPrimitive struct {
	Token     token.Token
	Arguments []Expression
	Body      *BlockStatement
}

RotateExtrudeBlockPrimitive represents a CSG block primitive.

func (*RotateExtrudeBlockPrimitive) String 

func (rebp *RotateExtrudeBlockPrimitive) String() string

String returns the string representation of the Node.

func (*RotateExtrudeBlockPrimitive) TokenLiteral 

func (rebp *RotateExtrudeBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type SpherePrimitive 

type SpherePrimitive struct {
	Token     token.Token
	Arguments []Expression
}

SpherePrimitive represents a CSG primitive.

func (*SpherePrimitive) String 

func (sp *SpherePrimitive) String() string

String returns the string representation of the Node.

func (*SpherePrimitive) TokenLiteral 

func (sp *SpherePrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type SquarePrimitive 

type SquarePrimitive struct {
	Token     token.Token
	Arguments []Expression
}

SquarePrimitive represents a CSG primitive.

func (*SquarePrimitive) String 

func (sp *SquarePrimitive) String() string

String returns the string representation of the Node.

func (*SquarePrimitive) TokenLiteral 

func (sp *SquarePrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type Statement 

type Statement interface {
	Node
	// contains filtered or unexported methods
}

Statement represents a statement in our abstract syntax tree.

type StringLiteral 

type StringLiteral struct {
	Token token.Token
	Value string
}

StringLiteral represents a string literal.

func (*StringLiteral) String 

func (sl *StringLiteral) String() string

String returns the string representation of the Node.

func (*StringLiteral) TokenLiteral 

func (sl *StringLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type TextPrimitive 

type TextPrimitive struct {
	Token     token.Token
	Arguments []Expression
}

TextPrimitive represents a CSG primitive.

func (*TextPrimitive) String 

func (tp *TextPrimitive) String() string

String returns the string representation of the Node.

func (*TextPrimitive) TokenLiteral 

func (tp *TextPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

type UndefLiteral 

type UndefLiteral struct {
	Token token.Token
}

UndefLiteral represents a undef literal.

func (*UndefLiteral) String 

func (tp *UndefLiteral) String() string

String returns the string representation of the Node.

func (*UndefLiteral) TokenLiteral 

func (tp *UndefLiteral) TokenLiteral() string

TokenLiteral returns the token literal.

type UnionBlockPrimitive 

type UnionBlockPrimitive struct {
	Token token.Token
	Body  *BlockStatement
}

UnionBlockPrimitive represents a CSG block primitive.

func (*UnionBlockPrimitive) String 

func (ubp *UnionBlockPrimitive) String() string

String returns the string representation of the Node.

func (*UnionBlockPrimitive) TokenLiteral 

func (ubp *UnionBlockPrimitive) TokenLiteral() string

TokenLiteral returns the token literal.

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