glsl

package
v0.4.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 10, 2021 License: GPL-3.0 Imports: 8 Imported by: 0

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Index

Constants

View Source 
const (
	NO_ROLE  FunctionArgumentRole = 0
	IN_ROLE                       = 1 << 0
	OUT_ROLE                      = 1 << 1
)

Variables

View Source 
var TARGET = "vertex"

Functions

func FillCoreScope 

func FillCoreScope(scope Scope)

func FillFragmentShaderScope 

func FillFragmentShaderScope(scope Scope)

func FillGlobalScope 

func FillGlobalScope(scope Scope)

func FillVertexShaderScope 

func FillVertexShaderScope(scope Scope)

func IsLiteralBool 

func IsLiteralBool(t Expression) bool

func IsLiteralFloat 

func IsLiteralFloat(t Expression) bool

func IsLiteralInt 

func IsLiteralInt(t Expression) bool

func IsMacroExpression 

func IsMacroExpression(call *Call) bool

func IsMacroStatement 

func IsMacroStatement(call *Call) bool

func PrecisionTypeToString 

func PrecisionTypeToString(ptype PrecisionType) string

func RoleToString 

func RoleToString(role FunctionArgumentRole) string

Types

type AddOp 

type AddOp struct {
	BinaryOp
}

func NewAddOp 

func NewAddOp(a, b Expression, ctx context.Context) *AddOp

func (*AddOp) EvalExpression 

func (t *AddOp) EvalExpression() (values.Value, error)

type AndOp 

type AndOp struct {
	LogicalBinaryOp
}

func NewAndOp 

func NewAndOp(a, b Expression, ctx context.Context) *AndOp

type Assign 

type Assign struct {
	TokenData
	// contains filtered or unexported fields
}

func NewAssign 

func NewAssign(lhs Expression, rhs Expression, op string, ctx context.Context) *Assign

func (*Assign) Dump 

func (t *Assign) Dump(indent string) string

func (*Assign) EvalStatement 

func (t *Assign) EvalStatement() error

func (*Assign) ResolveStatementActivity 

func (t *Assign) ResolveStatementActivity(usage Usage) error

func (*Assign) ResolveStatementNames 

func (t *Assign) ResolveStatementNames(scope Scope) error

func (*Assign) UniqueStatementNames 

func (t *Assign) UniqueStatementNames(ns Namespace) error

func (*Assign) WriteStatement 

func (t *Assign) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Attribute 

type Attribute struct {
	Pointer
}

func NewAttribute 

func NewAttribute(typeExpr *TypeExpression, name string, ctx context.Context) *Attribute

func (*Attribute) Dump 

func (t *Attribute) Dump(indent string) string

func (*Attribute) WriteStatement 

func (t *Attribute) WriteStatement(usage Usage, indent string, nl string, tab string) string

type BinaryOp 

type BinaryOp struct {
	TokenData
	// contains filtered or unexported fields
}

func (*BinaryOp) Dump 

func (t *BinaryOp) Dump(indent string) string

dump functions

func (*BinaryOp) ResolveExpressionActivity 

func (t *BinaryOp) ResolveExpressionActivity(usage Usage) error

func (*BinaryOp) ResolveExpressionNames 

func (t *BinaryOp) ResolveExpressionNames(scope Scope) error

func (*BinaryOp) WriteExpression 

func (t *BinaryOp) WriteExpression() string

type Block 

type Block struct {
	TokenData
	// contains filtered or unexported fields
}

func NewBlock 

func NewBlock(ctx context.Context) *Block

func (*Block) AddStatement 

func (t *Block) AddStatement(statement Statement)

func (*Block) Dump 

func (t *Block) Dump(indent string) string

func (*Block) ResolveStatementActivity 

func (t *Block) ResolveStatementActivity(usage Usage) error

func (*Block) ResolveStatementNames 

func (t *Block) ResolveStatementNames(scope Scope) error

func (*Block) UniqueStatementNames 

func (t *Block) UniqueStatementNames(ns Namespace) error

type Call 

type Call struct {
	TokenData
	// contains filtered or unexported fields
}

func NewCall 

func NewCall(lhs Expression, args []Expression, ctx context.Context) *Call

func (*Call) Args 

func (t *Call) Args() []Expression

func (*Call) Dump 

func (t *Call) Dump(indent string) string

func (*Call) EvalExpression 

func (t *Call) EvalExpression() (values.Value, error)

func (*Call) EvalStatement 

func (t *Call) EvalStatement() error

func (*Call) Name 

func (t *Call) Name() string

returns empty string if lhs is not *VarExpression

func (*Call) ResolveExpressionActivity 

func (t *Call) ResolveExpressionActivity(usage Usage) error

func (*Call) ResolveExpressionNames 

func (t *Call) ResolveExpressionNames(scope Scope) error

func (*Call) ResolveStatementActivity 

func (t *Call) ResolveStatementActivity(usage Usage) error

func (*Call) ResolveStatementNames 

func (t *Call) ResolveStatementNames(scope Scope) error

func (*Call) UniqueStatementNames 

func (t *Call) UniqueStatementNames(ns Namespace) error

func (*Call) WriteExpression 

func (t *Call) WriteExpression() string

func (*Call) WriteStatement 

func (t *Call) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Const 

type Const struct {
	Pointer
	// contains filtered or unexported fields
}

func NewConst 

func NewConst(typeExpr *TypeExpression, name string, n int, rhsExpr Expression, isExport bool, ctx context.Context) *Const

func (*Const) Dump 

func (t *Const) Dump(indent string) string

func (*Const) Length 

func (t *Const) Length() int

func (*Const) ResolveStatementActivity added in v0.2.0 

func (t *Const) ResolveStatementActivity(usage Usage) error

func (*Const) ResolveStatementNames 

func (t *Const) ResolveStatementNames(scope Scope) error

func (*Const) SetAltRHS 

func (t *Const) SetAltRHS(str string)

func (*Const) TypeName 

func (t *Const) TypeName() string

func (*Const) UniqueStatementNames added in v0.2.0 

func (t *Const) UniqueStatementNames(ns Namespace) error

func (*Const) WriteStatement 

func (t *Const) WriteStatement(usage Usage, indent string, nl string, tab string) string

type DivOp 

type DivOp struct {
	BinaryOp
}

func NewDivOp 

func NewDivOp(a, b Expression, ctx context.Context) *DivOp

func (*DivOp) EvalExpression 

func (t *DivOp) EvalExpression() (values.Value, error)

type DynamicIndexFunction 

type DynamicIndexFunction struct {
	MacroFunction
	// contains filtered or unexported fields
}

type EqCompareOp 

type EqCompareOp struct {
	BinaryOp
}

func (*EqCompareOp) EvalExpression 

func (t *EqCompareOp) EvalExpression() (values.Value, error)

type EqOp 

type EqOp struct {
	EqCompareOp
}

func NewEqOp 

func NewEqOp(a, b Expression, ctx context.Context) *EqOp

type Export 

type Export struct {
	TokenData
	// contains filtered or unexported fields
}

func NewExport 

func NewExport(newName *Word, varExpr *VarExpression, ctx context.Context) *Export

func (*Export) Dump 

func (t *Export) Dump(indent string) string

func (*Export) EvalStatement 

func (t *Export) EvalStatement() error

func (*Export) ResolveStatementActivity 

func (t *Export) ResolveStatementActivity(usage Usage) error

func (*Export) ResolveStatementNames 

func (t *Export) ResolveStatementNames(scope Scope) error

func (*Export) UniqueStatementNames 

func (t *Export) UniqueStatementNames(ns Namespace) error

func (*Export) WriteStatement 

func (t *Export) WriteStatement(usage Usage, indent string, nl string, tab string) string

type ExportedVariable 

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

type Expression 

type Expression interface {
	Token

	WriteExpression() string

	ResolveExpressionNames(scope Scope) error

	EvalExpression() (values.Value, error)

	ResolveExpressionActivity(usage Usage) error
}

func DispatchMacroExpression 

func DispatchMacroExpression(call *Call) (Expression, error)

func NewGetDynamicIndex 

func NewGetDynamicIndex(args []Expression, ctx context.Context) (Expression, error)

type Extension 

type Extension struct {
	PreProc
	// contains filtered or unexported fields
}

func NewExtension 

func NewExtension(extension string, behavior string, ctx context.Context) *Extension

func (*Extension) Dump 

func (t *Extension) Dump(indent string) string

func (*Extension) WriteStatement 

func (t *Extension) WriteStatement(usage Usage, indent string, nl string, tab string) string

TODO: only write when no in library

type For added in v0.2.0 

type For struct {
	Block
	// contains filtered or unexported fields
}

func NewFor added in v0.2.0 

func NewFor(init Statement, comp Expression, incr Statement, statements []Statement, ctx context.Context) *For

func (*For) Dump added in v0.2.0 

func (t *For) Dump(indent string) string

func (*For) EvalStatement added in v0.2.0 

func (t *For) EvalStatement() error

func (*For) ResolveStatementActivity added in v0.2.0 

func (t *For) ResolveStatementActivity(usage Usage) error

func (*For) ResolveStatementNames added in v0.2.0 

func (t *For) ResolveStatementNames(scope Scope) error

func (*For) UniqueStatementNames added in v0.2.0 

func (t *For) UniqueStatementNames(ns Namespace) error

func (*For) WriteStatement added in v0.2.0 

func (t *For) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Function 

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

func NewFunction 

func NewFunction(fi *FunctionInterface, statements []Statement, ctx context.Context) *Function

func (*Function) Dump 

func (t *Function) Dump(indent string) string

func (*Function) EvalCall 

func (t *Function) EvalCall(args []values.Value, ctx context.Context) (values.Value, error)

args == nil allows the caller to retrieve only the return value

func (*Function) EvalStatement 

func (t *Function) EvalStatement() error

func (*Function) GetVariable 

func (t *Function) GetVariable() Variable

func (*Function) Name 

func (t *Function) Name() string

func (*Function) NewScope 

func (t *Function) NewScope(parent Scope) *FunctionScope

func (*Function) RegisterReturn 

func (t *Function) RegisterReturn(ret *Return)

func (*Function) ResolveStatementActivity 

func (t *Function) ResolveStatementActivity(usage Usage) error

func (*Function) ResolveStatementNames 

func (t *Function) ResolveStatementNames(outer Scope) error

func (*Function) UniqueStatementNames 

func (t *Function) UniqueStatementNames(ns Namespace) error

func (*Function) WriteStatement 

func (t *Function) WriteStatement(usage Usage, indent string, nl string, tab string) string

type FunctionArgument 

type FunctionArgument struct {
	TokenData
	// contains filtered or unexported fields
}

func NewFunctionArgument 

func NewFunctionArgument(role FunctionArgumentRole, typeExpr *TypeExpression, name string, length int, ctx context.Context) *FunctionArgument

func (*FunctionArgument) Dump 

func (fa *FunctionArgument) Dump(indent string) string

func (*FunctionArgument) GetTypeValue 

func (fa *FunctionArgument) GetTypeValue() (values.Value, error)

func (*FunctionArgument) Name 

func (fa *FunctionArgument) Name() string

func (*FunctionArgument) ResolveNames 

func (fa *FunctionArgument) ResolveNames(scope Scope) error

func (*FunctionArgument) UniqueNames 

func (fa *FunctionArgument) UniqueNames(ns Namespace) error

func (*FunctionArgument) WriteArgument 

func (fa *FunctionArgument) WriteArgument() string

type FunctionArgumentRole 

type FunctionArgumentRole int

type FunctionInterface 

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

func NewFunctionInterface 

func NewFunctionInterface(retTypeExpr *TypeExpression, name string, args []*FunctionArgument, ctx context.Context) *FunctionInterface

func (*FunctionInterface) Context 

func (fi *FunctionInterface) Context() context.Context

func (*FunctionInterface) Dump 

func (fi *FunctionInterface) Dump(indent string) string

func (*FunctionInterface) EvalCall 

func (fi *FunctionInterface) EvalCall(args []values.Value, ctx context.Context) (values.Value, error)

func (*FunctionInterface) GetVariable 

func (fi *FunctionInterface) GetVariable() Variable

func (*FunctionInterface) Name 

func (fi *FunctionInterface) Name() string

func (*FunctionInterface) ResolveNames 

func (fi *FunctionInterface) ResolveNames(scope Scope) error

func (*FunctionInterface) UniqueNames 

func (fi *FunctionInterface) UniqueNames(ns Namespace) error

func (*FunctionInterface) WriteInterface 

func (fi *FunctionInterface) WriteInterface() string

type FunctionScope 

type FunctionScope struct {
	ScopeData
	// contains filtered or unexported fields
}

func NewFunctionScope 

func NewFunctionScope(fn *Function, parent Scope) *FunctionScope

func (*FunctionScope) GetFunction 

func (fs *FunctionScope) GetFunction() *Function

func (*FunctionScope) SetVariable 

func (fs *FunctionScope) SetVariable(name string, v Variable) error

type GEOp 

type GEOp struct {
	OrderCompareOp
}

func NewGEOp 

func NewGEOp(a, b Expression, ctx context.Context) *GEOp

type GTOp 

type GTOp struct {
	OrderCompareOp
}

func NewGTOp 

func NewGTOp(a, b Expression, ctx context.Context) *GTOp

type GetDynamicIndex 

type GetDynamicIndex struct {
	Index
	// contains filtered or unexported fields
}

func (*GetDynamicIndex) Dump 

func (t *GetDynamicIndex) Dump(indent string) string

func (*GetDynamicIndex) EvalExpression 

func (t *GetDynamicIndex) EvalExpression() (values.Value, error)

func (*GetDynamicIndex) ResolveExpressionActivity 

func (t *GetDynamicIndex) ResolveExpressionActivity(usage Usage) error

func (*GetDynamicIndex) WriteExpression 

func (t *GetDynamicIndex) WriteExpression() string

type GetDynamicIndexFunction 

type GetDynamicIndexFunction struct {
	DynamicIndexFunction
	// contains filtered or unexported fields
}

func NewGetDynamicIndexFunction 

func NewGetDynamicIndexFunction(containerTypeName string, typeName string, length int, ctx context.Context) *GetDynamicIndexFunction

func (*GetDynamicIndexFunction) Dump 

func (t *GetDynamicIndexFunction) Dump(indent string) string

func (*GetDynamicIndexFunction) WriteStatement 

func (t *GetDynamicIndexFunction) WriteStatement(usage Usage, indent string, nl string, tab string) string

type GlobalScope 

type GlobalScope interface {
	Scope
	GetModule(path string) (Module, error)
}

func GetGlobalScope 

func GetGlobalScope(s_ Scope) GlobalScope

type GlobalScopeData 

type GlobalScopeData struct {
	ScopeData
}

wrapped by BundleScope in order to implement the GlobalScope interface

func NewFilledGlobalScope 

func NewFilledGlobalScope() *GlobalScopeData

type If 

type If struct {
	TokenData
	// contains filtered or unexported fields
}

func NewIf 

func NewIf(ctx context.Context) *If

func (*If) AddCondition 

func (t *If) AddCondition(expr Expression) error

func (*If) AddElse 

func (t *If) AddElse() error

func (*If) AddStatement 

func (t *If) AddStatement(statement Statement)

func (*If) Dump 

func (t *If) Dump(indent string) string

func (*If) EvalStatement 

func (t *If) EvalStatement() error

func (*If) ResolveStatementActivity 

func (t *If) ResolveStatementActivity(usage Usage) error

func (*If) ResolveStatementNames 

func (t *If) ResolveStatementNames(scope Scope) error

func (*If) UniqueStatementNames 

func (t *If) UniqueStatementNames(ns Namespace) error

func (*If) WriteStatement 

func (t *If) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Import 

type Import struct {
	TokenData
	// contains filtered or unexported fields
}

func NewImport 

func NewImport(newName *Word, varExpr *VarExpression, path_ *LiteralString, ctx context.Context) (*Import, error)

func (*Import) Dump 

func (t *Import) Dump(indent string) string

func (*Import) EvalStatement 

func (t *Import) EvalStatement() error

func (*Import) Path 

func (t *Import) Path() *LiteralString

func (*Import) ResolveStatementActivity 

func (t *Import) ResolveStatementActivity(usage Usage) error

func (*Import) ResolveStatementNames 

func (t *Import) ResolveStatementNames(scope Scope) error

func (*Import) UniqueStatementNames 

func (t *Import) UniqueStatementNames(ns Namespace) error

func (*Import) WriteStatement 

func (t *Import) WriteStatement(usage Usage, indent string, nl string, tab string) string

type ImportExport 

type ImportExport struct {
	Import
}

func NewImportExport 

func NewImportExport(newName *Word, varExpr *VarExpression, path_ *LiteralString, ctx context.Context) (*ImportExport, error)

func (*ImportExport) Dump 

func (t *ImportExport) Dump(indent string) string

func (*ImportExport) ResolveStatementNames 

func (t *ImportExport) ResolveStatementNames(scope Scope) error

func (*ImportExport) WriteStatement 

func (t *ImportExport) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Index 

type Index struct {
	TokenData
	// contains filtered or unexported fields
}

func NewIndex 

func NewIndex(container Expression, index Expression, ctx context.Context) *Index

func (*Index) Dump 

func (t *Index) Dump(indent string) string

func (*Index) EvalExpression 

func (t *Index) EvalExpression() (values.Value, error)

func (*Index) EvalSet 

func (t *Index) EvalSet(rhsValue values.Value, ctx context.Context) error

func (*Index) ResolveExpressionActivity 

func (t *Index) ResolveExpressionActivity(usage Usage) error

func (*Index) ResolveExpressionNames 

func (t *Index) ResolveExpressionNames(scope Scope) error

func (*Index) WriteExpression 

func (t *Index) WriteExpression() string

type InjectedStatement 

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

type LEOp 

type LEOp struct {
	OrderCompareOp
}

func NewLEOp 

func NewLEOp(a, b Expression, ctx context.Context) *LEOp

type LTOp 

type LTOp struct {
	OrderCompareOp
}

func NewLTOp 

func NewLTOp(a, b Expression, ctx context.Context) *LTOp

type LiteralBool 

type LiteralBool struct {
	LiteralData
	// contains filtered or unexported fields
}

func NewLiteralBool 

func NewLiteralBool(value bool, ctx context.Context) *LiteralBool

func (*LiteralBool) Dump 

func (t *LiteralBool) Dump(indent string) string

func (*LiteralBool) EvalExpression 

func (t *LiteralBool) EvalExpression() (values.Value, error)

func (*LiteralBool) Value 

func (t *LiteralBool) Value() bool

func (*LiteralBool) WriteExpression 

func (t *LiteralBool) WriteExpression() string

type LiteralData 

type LiteralData struct {
	TokenData
}

intended for LiteralInt, LiteralBool, LiteralFloat and LiteralString

func (*LiteralData) ResolveExpressionActivity 

func (t *LiteralData) ResolveExpressionActivity(usage Usage) error

func (*LiteralData) ResolveExpressionNames 

func (t *LiteralData) ResolveExpressionNames(scope Scope) error

type LiteralFloat 

type LiteralFloat struct {
	LiteralData
	// contains filtered or unexported fields
}

func NewLiteralFloat 

func NewLiteralFloat(value float64, ctx context.Context) *LiteralFloat

func (*LiteralFloat) Dump 

func (t *LiteralFloat) Dump(indent string) string

func (*LiteralFloat) EvalExpression 

func (t *LiteralFloat) EvalExpression() (values.Value, error)

func (*LiteralFloat) Value 

func (t *LiteralFloat) Value() float64

func (*LiteralFloat) WriteExpression 

func (t *LiteralFloat) WriteExpression() string

type LiteralInt 

type LiteralInt struct {
	LiteralData
	// contains filtered or unexported fields
}

func NewLiteralInt 

func NewLiteralInt(value int, ctx context.Context) *LiteralInt

func (*LiteralInt) Dump 

func (t *LiteralInt) Dump(indent string) string

func (*LiteralInt) EvalExpression 

func (t *LiteralInt) EvalExpression() (values.Value, error)

func (*LiteralInt) Value 

func (t *LiteralInt) Value() int

func (*LiteralInt) WriteExpression 

func (t *LiteralInt) WriteExpression() string

type LiteralString 

type LiteralString struct {
	LiteralData
	// contains filtered or unexported fields
}

func NewLiteralString 

func NewLiteralString(value string, ctx context.Context) *LiteralString

func (*LiteralString) EvalExpression 

func (t *LiteralString) EvalExpression() (values.Value, error)

func (*LiteralString) Value 

func (t *LiteralString) Value() string

type LogicalBinaryOp 

type LogicalBinaryOp struct {
	BinaryOp
}

func (*LogicalBinaryOp) EvalExpression 

func (t *LogicalBinaryOp) EvalExpression() (values.Value, error)

type MacroExpression 

type MacroExpression func(args []Expression, ctx context.Context) (Expression, error)

type MacroFunction 

type MacroFunction struct {
	TokenData
	// contains filtered or unexported fields
}

func (*MacroFunction) EvalStatement 

func (t *MacroFunction) EvalStatement() error

func (*MacroFunction) GetVariable 

func (t *MacroFunction) GetVariable() Variable

func (*MacroFunction) Name 

func (t *MacroFunction) Name() string

func (*MacroFunction) ResolveStatementActivity 

func (t *MacroFunction) ResolveStatementActivity(usage Usage) error

func (*MacroFunction) ResolveStatementNames 

func (t *MacroFunction) ResolveStatementNames(scope Scope) error

func (*MacroFunction) UniqueStatementNames 

func (t *MacroFunction) UniqueStatementNames(ns Namespace) error

type MacroStatement 

type MacroStatement func(args []Expression, ctx context.Context) (Statement, error)

type Member 

type Member struct {
	TokenData
	// contains filtered or unexported fields
}

func NewMember 

func NewMember(object Expression, key *Word, ctx context.Context) *Member

func (*Member) Dump 

func (t *Member) Dump(indent string) string

func (*Member) EvalExpression 

func (t *Member) EvalExpression() (values.Value, error)

func (*Member) EvalSet 

func (t *Member) EvalSet(rhsValue values.Value, ctx context.Context) error

func (*Member) GetPackageMember 

func (t *Member) GetPackageMember() (Variable, error)

func (*Member) ResolveExpressionActivity 

func (t *Member) ResolveExpressionActivity(usage Usage) error

func (*Member) ResolveExpressionNames 

func (t *Member) ResolveExpressionNames(scope Scope) error

func (*Member) WriteExpression 

func (t *Member) WriteExpression() string

type Module 

type Module interface {
	GetExportedVariable(gs GlobalScope, name string, nameCtx context.Context) (Variable, error)

	Context() context.Context
}

type ModuleData 

type ModuleData struct {
	Block
	// contains filtered or unexported fields
}

func GetModule 

func GetModule(s_ Scope) *ModuleData

func NewModule 

func NewModule(ctx context.Context) *ModuleData

func (*ModuleData) CollectVaryings 

func (m *ModuleData) CollectVaryings(varyings map[string]string) error

func (*ModuleData) CollectVersion 

func (m *ModuleData) CollectVersion(version *Word) (*Word, error)

func (*ModuleData) Dependencies 

func (m *ModuleData) Dependencies() []files.PathLang

func (*ModuleData) EvalTypes 

func (m *ModuleData) EvalTypes() error

func (*ModuleData) FinalizeInjected 

func (m *ModuleData) FinalizeInjected(usage Usage) error

func (*ModuleData) FindExportedConst 

func (m *ModuleData) FindExportedConst(name string) *Const

func (*ModuleData) GetExportedVariable 

func (m *ModuleData) GetExportedVariable(gs GlobalScope, name string,
	nameCtx context.Context) (Variable, error)

called from within other module

func (*ModuleData) ResolveActivity 

func (m *ModuleData) ResolveActivity(usage Usage) error

func (*ModuleData) ResolveEntryNames 

func (m *ModuleData) ResolveEntryNames(gs GlobalScope) (Variable, error)

func (*ModuleData) ResolveNames 

func (m *ModuleData) ResolveNames(gs GlobalScope) error

func (*ModuleData) ResolveStatementNames 

func (m *ModuleData) ResolveStatementNames(scope Scope) error

func (*ModuleData) SetExportedVariable 

func (m *ModuleData) SetExportedVariable(outerName string, v Variable, ctx context.Context) error

func (*ModuleData) UniqueNames 

func (m *ModuleData) UniqueNames(ns Namespace) error

func (*ModuleData) Write 

func (m *ModuleData) Write(usage Usage, nl string, tab string) (string, error)

type ModuleScope 

type ModuleScope struct {
	ScopeData
	// contains filtered or unexported fields
}

type MulOp 

type MulOp struct {
	BinaryOp
}

func NewMulOp 

func NewMulOp(a, b Expression, ctx context.Context) *MulOp

func (*MulOp) EvalExpression 

func (t *MulOp) EvalExpression() (values.Value, error)

type NEOp 

type NEOp struct {
	EqCompareOp
}

func NewNEOp 

func NewNEOp(a, b Expression, ctx context.Context) *NEOp

type Namespace 

type Namespace interface {
	NewBlockNamespace() Namespace
	NewFunctionNamespace() Namespace

	CurrentFunctionNamespace() Namespace

	FunctionName(v Variable)
	ArgName(v Variable)
	VarName(v Variable)
	OrigName(v Variable) error

	HasName(newName string) bool
	HasVar(v Variable) bool
}

func NewNamespace 

func NewNamespace(parent Namespace, isFunction bool) Namespace

type NamespaceData 

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

func (*NamespaceData) ArgName 

func (ns *NamespaceData) ArgName(v Variable)

func (*NamespaceData) CurrentFunctionNamespace 

func (ns *NamespaceData) CurrentFunctionNamespace() Namespace

func (*NamespaceData) FunctionName 

func (ns *NamespaceData) FunctionName(v Variable)

func (*NamespaceData) HasName 

func (ns *NamespaceData) HasName(newName string) bool

func (*NamespaceData) HasVar 

func (ns *NamespaceData) HasVar(v Variable) bool

func (*NamespaceData) NewBlockNamespace 

func (ns *NamespaceData) NewBlockNamespace() Namespace

func (*NamespaceData) NewFunctionNamespace 

func (ns *NamespaceData) NewFunctionNamespace() Namespace

func (*NamespaceData) OrigName 

func (ns *NamespaceData) OrigName(v Variable) error

func (*NamespaceData) VarName 

func (ns *NamespaceData) VarName(v Variable)

type NegOp 

type NegOp struct {
	PreUnaryOp
}

func NewNegOp 

func NewNegOp(a Expression, ctx context.Context) *NegOp

func (*NegOp) EvalExpression 

func (t *NegOp) EvalExpression() (values.Value, error)

type NotOp 

type NotOp struct {
	PreUnaryOp
}

func NewNotOp 

func NewNotOp(a Expression, ctx context.Context) *NotOp

func (*NotOp) EvalExpression 

func (t *NotOp) EvalExpression() (values.Value, error)

type OrOp 

type OrOp struct {
	LogicalBinaryOp
}

func NewOrOp 

func NewOrOp(a, b Expression, ctx context.Context) *OrOp

type OrderCompareOp 

type OrderCompareOp struct {
	BinaryOp
}

func (*OrderCompareOp) EvalExpression 

func (t *OrderCompareOp) EvalExpression() (values.Value, error)

type Package 

type Package struct {
	TokenData
	// contains filtered or unexported fields
}

func NewPackage 

func NewPackage(path string, ctx context.Context) *Package

user packages start nameless

func (*Package) Constant 

func (t *Package) Constant() bool

func (*Package) GetObject 

func (t *Package) GetObject() interface{}

func (*Package) GetValue 

func (t *Package) GetValue() values.Value

func (*Package) Name 

func (t *Package) Name() string

func (*Package) Rename 

func (t *Package) Rename(n string)

func (*Package) SetConstant 

func (t *Package) SetConstant()

func (*Package) SetObject 

func (t *Package) SetObject(obj interface{})

func (*Package) SetValue 

func (t *Package) SetValue(v values.Value)

type Parens 

type Parens struct {
	TokenData
	// contains filtered or unexported fields
}

func NewParens 

func NewParens(expr Expression, ctx context.Context) *Parens

func (*Parens) Dump 

func (t *Parens) Dump(indent string) string

func (*Parens) EvalExpression 

func (t *Parens) EvalExpression() (values.Value, error)

func (*Parens) ResolveExpressionActivity 

func (t *Parens) ResolveExpressionActivity(usage Usage) error

func (*Parens) ResolveExpressionNames 

func (t *Parens) ResolveExpressionNames(scope Scope) error

func (*Parens) WriteExpression 

func (t *Parens) WriteExpression() string

type Pointer 

type Pointer struct {
	TokenData
	// contains filtered or unexported fields
}

func (*Pointer) EvalStatement 

func (t *Pointer) EvalStatement() error

func (*Pointer) GetVariable 

func (t *Pointer) GetVariable() Variable

func (*Pointer) Name 

func (t *Pointer) Name() string

func (*Pointer) ResolveStatementActivity 

func (t *Pointer) ResolveStatementActivity(usage Usage) error

func (*Pointer) ResolveStatementNames 

func (t *Pointer) ResolveStatementNames(scope Scope) error

func (*Pointer) UniqueStatementNames 

func (t *Pointer) UniqueStatementNames(ns Namespace) error

likely exported, so keep original name

type PosOp 

type PosOp struct {
	PreUnaryOp
}

func NewPosOp 

func NewPosOp(a Expression, ctx context.Context) *PosOp

func (*PosOp) EvalExpression 

func (t *PosOp) EvalExpression() (values.Value, error)

type PostDecrOp 

type PostDecrOp struct {
	PostUnaryOp
}

func NewPostDecrOp 

func NewPostDecrOp(a Expression, ctx context.Context) *PostDecrOp

func (*PostDecrOp) EvalStatement 

func (t *PostDecrOp) EvalStatement() error

type PostIncrOp 

type PostIncrOp struct {
	PostUnaryOp
}

func NewPostIncrOp 

func NewPostIncrOp(a Expression, ctx context.Context) *PostIncrOp

func (*PostIncrOp) EvalStatement 

func (t *PostIncrOp) EvalStatement() error

type PostUnaryOp 

type PostUnaryOp struct {
	UnaryOp
}

func (*PostUnaryOp) ResolveStatementActivity 

func (t *PostUnaryOp) ResolveStatementActivity(usage Usage) error

func (*PostUnaryOp) ResolveStatementNames 

func (t *PostUnaryOp) ResolveStatementNames(scope Scope) error

func (*PostUnaryOp) UniqueStatementNames 

func (t *PostUnaryOp) UniqueStatementNames(ns Namespace) error

func (*PostUnaryOp) WriteExpression 

func (t *PostUnaryOp) WriteExpression() string

func (*PostUnaryOp) WriteStatement 

func (t *PostUnaryOp) WriteStatement(usage Usage, indent string, nl string, tab string) string

type PreProc 

type PreProc struct {
	TokenData
}

func (*PreProc) EvalStatement 

func (t *PreProc) EvalStatement() error

func (*PreProc) ResolveStatementActivity 

func (t *PreProc) ResolveStatementActivity(usage Usage) error

func (*PreProc) ResolveStatementNames 

func (t *PreProc) ResolveStatementNames(scope Scope) error

func (*PreProc) UniqueStatementNames 

func (t *PreProc) UniqueStatementNames(ns Namespace) error

type PreUnaryOp 

type PreUnaryOp struct {
	UnaryOp
}

func (*PreUnaryOp) WriteExpression 

func (t *PreUnaryOp) WriteExpression() string

type Precision 

type Precision struct {
	TokenData
	// contains filtered or unexported fields
}

func NewPrecision 

func NewPrecision(precType PrecisionType, typeExpr *TypeExpression, ctx context.Context) *Precision

func (*Precision) Dump 

func (t *Precision) Dump(indent string) string

func (*Precision) EvalStatement 

func (t *Precision) EvalStatement() error

func (*Precision) ResolveStatementActivity 

func (t *Precision) ResolveStatementActivity(usage Usage) error

func (*Precision) ResolveStatementNames 

func (t *Precision) ResolveStatementNames(scope Scope) error

func (*Precision) UniqueStatementNames 

func (t *Precision) UniqueStatementNames(ns Namespace) error

func (*Precision) WriteStatement 

func (t *Precision) WriteStatement(usage Usage, indent string, nl string, tab string) string

type PrecisionType 

type PrecisionType int
const (
	DEFAULTP PrecisionType = iota
	LOWP
	MEDIUMP
	HIGHP
)

type Return 

type Return struct {
	TokenData
	// contains filtered or unexported fields
}

func NewReturn 

func NewReturn(expr Expression, ctx context.Context) *Return

expr can be nil

func (*Return) Dump 

func (t *Return) Dump(indent string) string

func (*Return) EvalStatement 

func (t *Return) EvalStatement() error

func (*Return) ResolveStatementActivity 

func (t *Return) ResolveStatementActivity(usage Usage) error

func (*Return) ResolveStatementNames 

func (t *Return) ResolveStatementNames(scope Scope) error

func (*Return) UniqueStatementNames 

func (t *Return) UniqueStatementNames(ns Namespace) error

func (*Return) WriteStatement 

func (t *Return) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Scope 

type Scope interface {
	Parent() Scope

	HasVariable(name string) bool
	GetVariable(name string) (Variable, error)
	SetVariable(name string, v Variable) error

	GetFunction() *Function
}

type ScopeData 

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

func NewScope 

func NewScope(parent Scope) *ScopeData

func (*ScopeData) GetFunction 

func (s *ScopeData) GetFunction() *Function

func (*ScopeData) GetVariable 

func (s *ScopeData) GetVariable(name string) (Variable, error)

func (*ScopeData) HasVariable 

func (s *ScopeData) HasVariable(name string) bool

func (*ScopeData) Parent 

func (s *ScopeData) Parent() Scope

func (*ScopeData) SetVariable 

func (s *ScopeData) SetVariable(name string, v Variable) error

type SetDynamicIndex 

type SetDynamicIndex struct {
	Index
	// contains filtered or unexported fields
}

func (*SetDynamicIndex) Dump 

func (t *SetDynamicIndex) Dump(indent string) string

func (*SetDynamicIndex) EvalStatement 

func (t *SetDynamicIndex) EvalStatement() error

func (*SetDynamicIndex) ResolveStatementActivity 

func (t *SetDynamicIndex) ResolveStatementActivity(usage Usage) error

func (*SetDynamicIndex) ResolveStatementNames 

func (t *SetDynamicIndex) ResolveStatementNames(scope Scope) error

func (*SetDynamicIndex) UniqueStatementNames 

func (t *SetDynamicIndex) UniqueStatementNames(ns Namespace) error

func (*SetDynamicIndex) WriteStatement 

func (t *SetDynamicIndex) WriteStatement(usage Usage, indent string, nl string, tab string) string

type SetDynamicIndexFunction 

type SetDynamicIndexFunction struct {
	DynamicIndexFunction
	// contains filtered or unexported fields
}

func NewSetDynamicIndexFunction 

func NewSetDynamicIndexFunction(containerTypeName string, typeName string, length int, ctx context.Context) *SetDynamicIndexFunction

func (*SetDynamicIndexFunction) Dump 

func (t *SetDynamicIndexFunction) Dump(indent string) string

func (*SetDynamicIndexFunction) WriteStatement 

func (t *SetDynamicIndexFunction) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Statement 

type Statement interface {
	Token

	WriteStatement(usage Usage, indent string, nl string, tab string) string

	ResolveStatementNames(scope Scope) error

	EvalStatement() error

	ResolveStatementActivity(usage Usage) error

	UniqueStatementNames(ns Namespace) error
}

func DispatchMacroStatement 

func DispatchMacroStatement(call *Call) (Statement, error)

func NewSetDynamicIndex 

func NewSetDynamicIndex(args []Expression, ctx context.Context) (Statement, error)

type Struct 

type Struct struct {
	TokenData
	// contains filtered or unexported fields
}

func NewStruct 

func NewStruct(nameExpr *VarExpression, entries []*StructEntry, ctx context.Context) (*Struct, error)

func (*Struct) CheckConstruction 

func (t *Struct) CheckConstruction(args []values.Value, ctx context.Context) error

func (*Struct) Dump 

func (t *Struct) Dump(indent string) string

func (*Struct) EvalStatement 

func (t *Struct) EvalStatement() error

func (*Struct) GetMember 

func (t *Struct) GetMember(key string, ctx context.Context) (values.Value, error)

func (*Struct) GetVariable 

func (t *Struct) GetVariable() Variable

func (*Struct) Name 

func (t *Struct) Name() string

func (*Struct) ResolveStatementActivity 

func (t *Struct) ResolveStatementActivity(usage Usage) error

func (*Struct) ResolveStatementNames 

func (t *Struct) ResolveStatementNames(scope Scope) error

func (*Struct) SetMember 

func (t *Struct) SetMember(key string, arg values.Value, ctx context.Context) error

func (*Struct) UniqueStatementNames 

func (t *Struct) UniqueStatementNames(ns Namespace) error

func (*Struct) WriteStatement 

func (t *Struct) WriteStatement(usage Usage, indent string, nl string, tab string) string

type StructEntry 

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

func NewStructEntry 

func NewStructEntry(typeExpr *TypeExpression, nameExpr *VarExpression, length int, ctx context.Context) *StructEntry

func (*StructEntry) Context 

func (se *StructEntry) Context() context.Context

func (*StructEntry) Dump 

func (t *StructEntry) Dump(indent string) string

func (*StructEntry) Instantiate 

func (se *StructEntry) Instantiate(ctx context.Context) (values.Value, error)

func (*StructEntry) Name 

func (se *StructEntry) Name() string

func (*StructEntry) ResolveNames 

func (se *StructEntry) ResolveNames(scope Scope) error

type SubOp 

type SubOp struct {
	BinaryOp
}

func NewSubOp 

func NewSubOp(a, b Expression, ctx context.Context) *SubOp

func (*SubOp) EvalExpression 

func (t *SubOp) EvalExpression() (values.Value, error)

type Token 

type Token interface {
	Dump(indent string) string
	Context() context.Context
}

type TokenData 

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

func (*TokenData) Context 

func (t *TokenData) Context() context.Context

type TypeExpression 

type TypeExpression struct {
	VarExpression
}

func NewTypeExpression 

func NewTypeExpression(name string, ctx context.Context) *TypeExpression

func (*TypeExpression) Dump 

func (t *TypeExpression) Dump(indent string) string

func (*TypeExpression) EvalExpression 

func (t *TypeExpression) EvalExpression() (values.Value, error)

func (*TypeExpression) Instantiate 

func (t *TypeExpression) Instantiate(ctx context.Context) (values.Value, error)

func (*TypeExpression) InstantiateUniform 

func (t *TypeExpression) InstantiateUniform(ctx context.Context) (values.Value, error)

func (*TypeExpression) WriteExpression 

func (t *TypeExpression) WriteExpression() string

type UnaryOp 

type UnaryOp struct {
	TokenData
	// contains filtered or unexported fields
}

func (*UnaryOp) Dump 

func (t *UnaryOp) Dump(indent string) string

dump functions

func (*UnaryOp) ResolveExpressionActivity 

func (t *UnaryOp) ResolveExpressionActivity(usage Usage) error

func (*UnaryOp) ResolveExpressionNames 

func (t *UnaryOp) ResolveExpressionNames(scope Scope) error

type Uniform 

type Uniform struct {
	Pointer
}

func NewUniform 

func NewUniform(typeExpr *TypeExpression, name string, n int, ctx context.Context) *Uniform

func (*Uniform) Dump 

func (t *Uniform) Dump(indent string) string

func (*Uniform) EvalStatement 

func (t *Uniform) EvalStatement() error

different from Pointer.EvalStatement(), because different types are allowed

func (*Uniform) WriteStatement 

func (t *Uniform) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Usage 

type Usage interface {
	Use(v Variable, ctx context.Context) error
	Rereference(v Variable, ctx context.Context) error
	IsUsed(v Variable) bool

	GetInjectedStatements(name string) []InjectedStatement
	InjectStatement(name string, variable Variable, deps []Variable, st Statement)
	PopInjectedStatements(dep Variable) []InjectedStatement

	DetectUnused() error
}

func NewUsage 

func NewUsage() Usage

type UsageData 

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

func (*UsageData) DetectUnused 

func (u *UsageData) DetectUnused() error

func (*UsageData) GetInjectedStatements 

func (u *UsageData) GetInjectedStatements(name string) []InjectedStatement

func (*UsageData) InjectStatement 

func (u *UsageData) InjectStatement(name string, variable Variable, deps []Variable, st Statement)

func (*UsageData) IsUsed 

func (u *UsageData) IsUsed(v Variable) bool

func (*UsageData) PopInjectedStatements 

func (u *UsageData) PopInjectedStatements(dep Variable) []InjectedStatement

func (*UsageData) Rereference 

func (u *UsageData) Rereference(v Variable, ctx context.Context) error

func (*UsageData) Use 

func (u *UsageData) Use(v Variable, ctx context.Context) error

type UsageState 

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

type VarExpression 

type VarExpression struct {
	TokenData
	// contains filtered or unexported fields
}

func NewVarExpression 

func NewVarExpression(name string, ctx context.Context) *VarExpression

func (*VarExpression) Dump 

func (t *VarExpression) Dump(indent string) string

func (*VarExpression) EvalExpression 

func (t *VarExpression) EvalExpression() (values.Value, error)

func (*VarExpression) EvalSet 

func (t *VarExpression) EvalSet(v values.Value, ctx context.Context) error

func (*VarExpression) GetVariable 

func (t *VarExpression) GetVariable() Variable

func (*VarExpression) Name 

func (t *VarExpression) Name() string

func (*VarExpression) ResolveExpressionActivity 

func (t *VarExpression) ResolveExpressionActivity(usage Usage) error

func (*VarExpression) ResolveExpressionNames 

func (t *VarExpression) ResolveExpressionNames(scope Scope) error

func (*VarExpression) WriteExpression 

func (t *VarExpression) WriteExpression() string

type VarStatement 

type VarStatement struct {
	TokenData
	// contains filtered or unexported fields
}

func NewVarStatement 

func NewVarStatement(typeExpr *TypeExpression, name string, length int, rhsExpr Expression, ctx context.Context) *VarStatement

func (*VarStatement) Dump 

func (t *VarStatement) Dump(indent string) string

func (*VarStatement) EvalStatement 

func (t *VarStatement) EvalStatement() error

func (*VarStatement) ResolveStatementActivity 

func (t *VarStatement) ResolveStatementActivity(usage Usage) error

func (*VarStatement) ResolveStatementNames 

func (t *VarStatement) ResolveStatementNames(scope Scope) error

func (*VarStatement) UniqueStatementNames 

func (t *VarStatement) UniqueStatementNames(ns Namespace) error

func (*VarStatement) WriteStatement 

func (t *VarStatement) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Variable 

type Variable interface {
	Context() context.Context
	Name() string
	Rename(string)

	Constant() bool
	SetConstant()

	GetValue() values.Value
	SetValue(val values.Value)

	GetObject() interface{}
	SetObject(obj interface{})
}

type VariableData 

type VariableData struct {
	TokenData
	// contains filtered or unexported fields
}

func NewVariable 

func NewVariable(name string, ctx context.Context) *VariableData

func (*VariableData) Constant 

func (t *VariableData) Constant() bool

func (*VariableData) GetObject 

func (t *VariableData) GetObject() interface{}

func (*VariableData) GetValue 

func (t *VariableData) GetValue() values.Value

func (*VariableData) Name 

func (v *VariableData) Name() string

func (*VariableData) Rename 

func (t *VariableData) Rename(newName string)

func (*VariableData) SetConstant 

func (t *VariableData) SetConstant()

func (*VariableData) SetObject 

func (t *VariableData) SetObject(obj interface{})

func (*VariableData) SetValue 

func (t *VariableData) SetValue(v values.Value)

type Varying 

type Varying struct {
	Pointer
	// contains filtered or unexported fields
}

func NewVarying 

func NewVarying(precType PrecisionType, typeExpr *TypeExpression, name string, ctx context.Context) *Varying

func (*Varying) Collect 

func (t *Varying) Collect(varyings map[string]string) error

func (*Varying) Dump 

func (t *Varying) Dump(indent string) string

func (*Varying) EvalStatement 

func (t *Varying) EvalStatement() error

func (*Varying) ResolveStatementActivity added in v0.2.0 

func (t *Varying) ResolveStatementActivity(usage Usage) error

func (*Varying) WriteStatement 

func (t *Varying) WriteStatement(usage Usage, indent string, nl string, tab string) string

type Version 

type Version struct {
	PreProc
	// contains filtered or unexported fields
}

func NewVersion 

func NewVersion(version int, es string, ctx context.Context) *Version

func (*Version) CollectVersion 

func (t *Version) CollectVersion(version *Word) (*Word, error)

func (*Version) Dump 

func (t *Version) Dump(indent string) string

func (*Version) WriteStatement 

func (t *Version) WriteStatement(usage Usage, indent string, nl string, tab string) string

written by tree/shader/ShaderBundle instead

type Word 

type Word struct {
	TokenData
	// contains filtered or unexported fields
}

eg. for key of member essentially a string-context pair

func AssertWord 

func AssertWord(t Token) (*Word, error)

func NewWord 

func NewWord(value string, ctx context.Context) *Word

func (*Word) Dump 

func (t *Word) Dump(indent string) string

func (*Word) Value 

func (t *Word) Value() string

type XorOp 

type XorOp struct {
	LogicalBinaryOp
}

func NewXorOp 

func NewXorOp(a, b Expression, ctx context.Context) *XorOp

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