codegen

package
v0.0.0-...-c04ea6e Latest Latest
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 Go to latest Published: Jun 11, 2021 License: MIT Imports: 12 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AsLocalVariable 

func AsLocalVariable(identifier string) string

func Generate 

func Generate(node ast.Node, logger logger.Logger) string

Generate llvm IR for ast

Types

type BlocksFragment 

type BlocksFragment struct {
	Blocks       []*ir.Block
	CurrentBlock *ir.Block
	// contains filtered or unexported fields
}

func NewBlocksFragment 

func NewBlocksFragment(resultType ResultType) *BlocksFragment

func (*BlocksFragment) AddBlock 

func (blocksFragment *BlocksFragment) AddBlock(block *ir.Block)

func (*BlocksFragment) Append 

func (blocksFragment *BlocksFragment) Append(fragment Fragment)

func (*BlocksFragment) AppendWithResultPropogation 

func (blocksFragment *BlocksFragment) AppendWithResultPropogation(fragment Fragment)

func (*BlocksFragment) ChainBlocks 

func (blocksFragment *BlocksFragment) ChainBlocks(blocks ...*ir.Block)

func (*BlocksFragment) GetResult 

func (blocksFragment *BlocksFragment) GetResult() value.Value

func (*BlocksFragment) GetResultType 

func (blocksFragment *BlocksFragment) GetResultType() ResultType

func (*BlocksFragment) NewBlock 

func (blocksFragment *BlocksFragment) NewBlock(name string)

type CodegenVisitor 

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

CodegenVisitor visits each node and generates llvm IR.

func (*CodegenVisitor) Init 

func (visitor *CodegenVisitor) Init(logger logger.Logger)

Init with a logger

func (*CodegenVisitor) VisitBooleanNode 

func (visitor *CodegenVisitor) VisitBooleanNode(node *ast.BooleanNode)

VisitBooleanNode do something

func (*CodegenVisitor) VisitBreakNode 

func (visitor *CodegenVisitor) VisitBreakNode(node *ast.BreakNode)

func (*CodegenVisitor) VisitCharacterNode 

func (visitor *CodegenVisitor) VisitCharacterNode(node *ast.CharacterNode)

VisitCharacterNode do something

func (*CodegenVisitor) VisitEnterAssignmentNode 

func (visitor *CodegenVisitor) VisitEnterAssignmentNode(node *ast.AssignmentNode)

VisitEnterAssignmentNode do something

func (*CodegenVisitor) VisitEnterBinaryOepratorNode 

func (visitor *CodegenVisitor) VisitEnterBinaryOepratorNode(node *ast.BinaryOperatorNode)

VisitEnterBinaryOepratorNode do something

func (*CodegenVisitor) VisitEnterBlockNode 

func (visitor *CodegenVisitor) VisitEnterBlockNode(node *ast.BlockNode)

func (*CodegenVisitor) VisitEnterForStmtNode 

func (visitor *CodegenVisitor) VisitEnterForStmtNode(node *ast.ForStmtNode)

func (*CodegenVisitor) VisitEnterForStmtNodeBeforeBlockNode 

func (visitor *CodegenVisitor) VisitEnterForStmtNodeBeforeBlockNode(node *ast.ForStmtNode)

func (*CodegenVisitor) VisitEnterIfStmtNode 

func (visitor *CodegenVisitor) VisitEnterIfStmtNode(node *ast.IfStmtNode)

func (*CodegenVisitor) VisitEnterIncDecNode 

func (visitor *CodegenVisitor) VisitEnterIncDecNode(node *ast.IncDecNode)

func (*CodegenVisitor) VisitEnterPrintNode 

func (visitor *CodegenVisitor) VisitEnterPrintNode(node *ast.PrintNode)

VisitEnterPrintNode do something

func (*CodegenVisitor) VisitEnterProgramNode 

func (visitor *CodegenVisitor) VisitEnterProgramNode(node *ast.ProgramNode)

VisitEnterProgramNode creates program scope

func (*CodegenVisitor) VisitEnterSwitchStmtNode 

func (visitor *CodegenVisitor) VisitEnterSwitchStmtNode(node *ast.SwitchStmtNode)

func (*CodegenVisitor) VisitEnterTernaryOperatorNode 

func (visitor *CodegenVisitor) VisitEnterTernaryOperatorNode(node *ast.TernaryOperatorNode)

VisitEnterTernaryOperatorNode do something

func (*CodegenVisitor) VisitEnterUnaryOperatorNode 

func (visitor *CodegenVisitor) VisitEnterUnaryOperatorNode(node *ast.UnaryOperatorNode)

VisitEnterUnaryOperatorNode do something

func (*CodegenVisitor) VisitEnterVariableDeclarationNode 

func (visitor *CodegenVisitor) VisitEnterVariableDeclarationNode(node *ast.VariableDeclarationNode)

VisitEnterVariableDeclarationNode do something

func (*CodegenVisitor) VisitEnterWhileStmtNode 

func (visitor *CodegenVisitor) VisitEnterWhileStmtNode(node *ast.WhileStmtNode)

func (*CodegenVisitor) VisitErrorNode 

func (visitor *CodegenVisitor) VisitErrorNode(node *ast.ErrorNode)

VisitErrorNode should not happen during codegen

func (*CodegenVisitor) VisitFloatNode 

func (visitor *CodegenVisitor) VisitFloatNode(node *ast.FloatNode)

VisitFloatNode do something

func (*CodegenVisitor) VisitIdentifierNode 

func (visitor *CodegenVisitor) VisitIdentifierNode(node *ast.IdentifierNode)

VisitIdentifierNode do something

func (*CodegenVisitor) VisitIntegerNode 

func (visitor *CodegenVisitor) VisitIntegerNode(node *ast.IntegerNode)

VisitIntegerNode do something

func (*CodegenVisitor) VisitLeaveAssignmentNode 

func (visitor *CodegenVisitor) VisitLeaveAssignmentNode(node *ast.AssignmentNode)

VisitLeaveAssignmentNode do something

func (*CodegenVisitor) VisitLeaveBinaryOperatorNode 

func (visitor *CodegenVisitor) VisitLeaveBinaryOperatorNode(node *ast.BinaryOperatorNode)

VisitLeaveBinaryOperatorNode do something

func (*CodegenVisitor) VisitLeaveBlockNode 

func (visitor *CodegenVisitor) VisitLeaveBlockNode(node *ast.BlockNode)

func (*CodegenVisitor) VisitLeaveForStmtNode 

func (visitor *CodegenVisitor) VisitLeaveForStmtNode(node *ast.ForStmtNode)

func (*CodegenVisitor) VisitLeaveIfStmtNode 

func (visitor *CodegenVisitor) VisitLeaveIfStmtNode(node *ast.IfStmtNode)

func (*CodegenVisitor) VisitLeaveIncDecNode 

func (visitor *CodegenVisitor) VisitLeaveIncDecNode(node *ast.IncDecNode)

func (*CodegenVisitor) VisitLeavePrintNode 

func (visitor *CodegenVisitor) VisitLeavePrintNode(node *ast.PrintNode)

VisitLeavePrintNode do something

func (*CodegenVisitor) VisitLeaveProgramNode 

func (visitor *CodegenVisitor) VisitLeaveProgramNode(node *ast.ProgramNode)

VisitLeaveProgramNode closes program scope

func (*CodegenVisitor) VisitLeaveSwitchStmtNode 

func (visitor *CodegenVisitor) VisitLeaveSwitchStmtNode(node *ast.SwitchStmtNode)

func (*CodegenVisitor) VisitLeaveTernaryOperatorNode 

func (visitor *CodegenVisitor) VisitLeaveTernaryOperatorNode(node *ast.TernaryOperatorNode)

VisitLeaveTernaryOperatorNode do something

func (*CodegenVisitor) VisitLeaveUnaryOperatorNode 

func (visitor *CodegenVisitor) VisitLeaveUnaryOperatorNode(node *ast.UnaryOperatorNode)

VisitLeaveUnaryOperatorNode do something

func (*CodegenVisitor) VisitLeaveVariableDeclarationNode 

func (visitor *CodegenVisitor) VisitLeaveVariableDeclarationNode(node *ast.VariableDeclarationNode)

VisitLeaveVariableDeclarationNode do something

func (*CodegenVisitor) VisitLeaveWhileStmtNode 

func (visitor *CodegenVisitor) VisitLeaveWhileStmtNode(node *ast.WhileStmtNode)

func (*CodegenVisitor) VisitStringNode 

func (visitor *CodegenVisitor) VisitStringNode(node *ast.StringNode)

VisitStringNode do something

func (*CodegenVisitor) VisitTypeLiteralNode 

func (visitor *CodegenVisitor) VisitTypeLiteralNode(node *ast.TypeLiteralNode)

VisitTypeLiteralNode do something

type Fragment 

type Fragment interface {
	Append(fragment Fragment)
	AppendWithResultPropogation(fragment Fragment)
	GetResultType() ResultType
	GetResult() value.Value
}

Fragment represents a fragment of instructions in asm

type FragmentType 

type FragmentType int
const (
	MODULE FragmentType = iota
	FUNCTIONS
	BLOCKS
	INSTRUCTIONS
)

type FunctionsFragment 

type FunctionsFragment struct {
	Functions []*ir.Func
	// contains filtered or unexported fields
}

func NewFunctionsFragment 

func NewFunctionsFragment() *FunctionsFragment

func (*FunctionsFragment) AddFunc 

func (functionsFragment *FunctionsFragment) AddFunc(function *ir.Func)

func (*FunctionsFragment) Append 

func (functionsFragment *FunctionsFragment) Append(fragment Fragment)

func (*FunctionsFragment) AppendWithResultPropogation 

func (functionsFragment *FunctionsFragment) AppendWithResultPropogation(fragment Fragment)

func (*FunctionsFragment) GetResult 

func (functionsFragment *FunctionsFragment) GetResult() value.Value

func (*FunctionsFragment) GetResultType 

func (functionsFragment *FunctionsFragment) GetResultType() ResultType

type GlobalIdentifierTracker 

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

GlobalIdentifierTracker manages creating new global identifiers State is managed on a function level

func (*GlobalIdentifierTracker) CurrentIdentifier 

func (globalIdentifierTracker *GlobalIdentifierTracker) CurrentIdentifier() string

func (*GlobalIdentifierTracker) NewIdentifier 

func (globalIdentifierTracker *GlobalIdentifierTracker) NewIdentifier() string

func (*GlobalIdentifierTracker) Reset 

func (globalIdentifierTracker *GlobalIdentifierTracker) Reset()

type IdentifierTracker 

type IdentifierTracker interface {
	NewIdentifier() string
	CurrentIdentifier() string
	Reset()
}

IdentifierTracker keeps track of identifiers in llvm ir

type Instruction 

type Instruction struct {
	Result    string // resulting local variable, if exists
	Operation string // actual operation
}

Instruction is one line of instruction in ir

func (*Instruction) Line 

func (instruction *Instruction) Line() string

type InstructionsFragment 

type InstructionsFragment struct {
	Instructions []ir.Instruction
	// contains filtered or unexported fields
}

func NewInstructionsFragment 

func NewInstructionsFragment(resultType ResultType) *InstructionsFragment

func (*InstructionsFragment) AddInstruction 

func (instructionsFragment *InstructionsFragment) AddInstruction(instr ir.Instruction)

func (*InstructionsFragment) Append 

func (instructionsFragment *InstructionsFragment) Append(fragment Fragment)

func (*InstructionsFragment) AppendWithResultPropogation 

func (instructionsFragment *InstructionsFragment) AppendWithResultPropogation(fragment Fragment)

func (*InstructionsFragment) GetResult 

func (instructionsFragment *InstructionsFragment) GetResult() value.Value

func (*InstructionsFragment) GetResultType 

func (instructionsFragment *InstructionsFragment) GetResultType() ResultType

type IrLiner 

type IrLiner interface {
	Line() string
}

IrLiner represents one line of code in IR

type Label 

type Label struct {
	Name string
}

Label is a label in ir

func (*Label) Line 

func (label *Label) Line() string

type Labeller 

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

Labeller manages creating new labels that are never used before state is managed on a module level

func (*Labeller) Label 

func (labeller *Labeller) Label(tags ...string) string

Label creates a new label under the current set

func (*Labeller) NewSet 

func (labeller *Labeller) NewSet(tags ...string) string

NewSet increments the label index, making sure the label is not used before

func (*Labeller) Reset 

func (labeller *Labeller) Reset()

Reset the label index to 0

type LocalIdentifierTracker 

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

LocalIdentifierTracker manages creating new local variables in current function scope State is managed on a function level

func (*LocalIdentifierTracker) CurrentIdentifier 

func (localIdentifierTracker *LocalIdentifierTracker) CurrentIdentifier() string

func (*LocalIdentifierTracker) NewIdentifier 

func (localIdentifierTracker *LocalIdentifierTracker) NewIdentifier() string

func (*LocalIdentifierTracker) Reset 

func (localIdentifierTracker *LocalIdentifierTracker) Reset()

type ModuleFragment 

type ModuleFragment struct {
	Module *ir.Module
}

func NewModuleFragment 

func NewModuleFragment(module *ir.Module) *ModuleFragment

func (*ModuleFragment) Append 

func (moduleFragment *ModuleFragment) Append(fragment Fragment)

func (*ModuleFragment) AppendWithResultPropogation 

func (moduleFragment *ModuleFragment) AppendWithResultPropogation(fragment Fragment)

func (*ModuleFragment) GetResult 

func (moduleFragment *ModuleFragment) GetResult() value.Value

func (*ModuleFragment) GetResultType 

func (moduleFragment *ModuleFragment) GetResultType() ResultType

type OperatorCodegen 

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

func NewOperatorCodegen 

func NewOperatorCodegen(fragment *BlocksFragment, operator signature.Operator, typing typing.Typing, labeller *Labeller, operands ...Fragment) *OperatorCodegen

func (*OperatorCodegen) GenerateCode 

func (gen *OperatorCodegen) GenerateCode()

func (*OperatorCodegen) GenerateComparisonInstr 

func (gen *OperatorCodegen) GenerateComparisonInstr(frag *BlocksFragment) func(value.Value, value.Value) value.Value

type ResultType 

type ResultType int
const (
	VOID    ResultType = iota // fragment will not produce a value
	VALUE                     // fragment will produce a value
	POINTER                   // fragment will produce a pointer value
)

Source Files

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