parse

package
v0.0.0-...-8573055 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jun 2, 2014 License: MIT Imports: 8 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IsExpr 

func IsExpr(n Node) bool

func IsStatement 

func IsStatement(n Node) bool

func NewLexError 

func NewLexError(pos scanner.Position, msg string) error

func NewParseError 

func NewParseError(tok Token, msg string) error

func NewSemanticError 

func NewSemanticError(node Node, msg string) error

Types

type ArrayAccessNode 

type ArrayAccessNode struct {
	Array Node
	Index Node
}

func (ArrayAccessNode) String 

func (a ArrayAccessNode) String() string

type BinaryNode 

type BinaryNode struct {
	Left  Node
	Oper  string
	Right Node
}

func (BinaryNode) String 

func (b BinaryNode) String() string

func (BinaryNode) StringWithPrecedence 

func (b BinaryNode) StringWithPrecedence() string

Use parens to make precedence more apparent

type BlockNode 

type BlockNode struct {
	Nodes []Node
}

'{' node* '}'

func (BlockNode) String 

func (b BlockNode) String() string

type BreakNode 

type BreakNode struct{}

func (BreakNode) String 

func (b BreakNode) String() string

type CaseNode 

type CaseNode struct {
	Cond       Node
	Statements []Node
}

func (CaseNode) String 

func (c CaseNode) String() string

type CharacterNode 

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

func (CharacterNode) String 

func (c CharacterNode) String() string

type ExternVarDeclNode 

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

func (ExternVarDeclNode) String 

func (e ExternVarDeclNode) String() string

type ExternVarInitNode 

type ExternVarInitNode struct {
	Name  string
	Value Node
}

name value ';'

func (ExternVarInitNode) String 

func (e ExternVarInitNode) String() string

type ExternVecInitNode 

type ExternVecInitNode struct {
	Name   string
	Size   int
	Values []Node
}

name '[' size ']' value+ ';'

func (ExternVecInitNode) String 

func (e ExternVecInitNode) String() string

type FunctionCallNode 

type FunctionCallNode struct {
	Callable Node
	Args     []Node
}

func (FunctionCallNode) String 

func (f FunctionCallNode) String() string

type FunctionNode 

type FunctionNode struct {
	Name   string
	Params []string
	Body   Node
}

name '(' (var (',' var)*) ? ')' block

func (FunctionNode) String 

func (f FunctionNode) String() string

type GotoNode 

type GotoNode struct{ Label string }

func (GotoNode) String 

func (g GotoNode) String() string

type IdentNode 

type IdentNode struct {
	Value string
}

func (IdentNode) String 

func (i IdentNode) String() string

type IfNode 

type IfNode struct {
	Cond     Node
	Body     Node
	HasElse  bool
	ElseBody Node
}

func (IfNode) String 

func (i IfNode) String() string

type IntegerNode 

type IntegerNode struct {
	Value int
}

func (IntegerNode) String 

func (i IntegerNode) String() string

type LabelNode 

type LabelNode struct{ Name string }

func (LabelNode) String 

func (l LabelNode) String() string

type LexError 

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

func (*LexError) Error 

func (l *LexError) Error() string

type Lexer 

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

func NewLexer 

func NewLexer(name string, input io.Reader) *Lexer

func (*Lexer) NextToken 

func (lex *Lexer) NextToken() (Token, error)

func (*Lexer) PeekToken 

func (lex *Lexer) PeekToken() (Token, error)

type Node 

type Node interface {
	String() string
}

type NullNode 

type NullNode struct{}

func (NullNode) String 

func (n NullNode) String() string

type OperatorBinding 

type OperatorBinding int

func OperatorPrecedence 

func OperatorPrecedence(op string) (prec int, bind OperatorBinding)

type ParenNode 

type ParenNode struct{ Node Node }

func (ParenNode) String 

func (p ParenNode) String() string

type ParseError 

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

func (*ParseError) Error 

func (p *ParseError) Error() string

type Parser 

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

func NewParser 

func NewParser(name string, input io.Reader) *Parser

func (*Parser) Parse 

func (p *Parser) Parse() (unit TranslationUnit, err error)

type ReturnNode 

type ReturnNode struct{ Node Node }

func (ReturnNode) String 

func (r ReturnNode) String() string

type SemanticError 

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

func (*SemanticError) Error 

func (s *SemanticError) Error() string

type StatementNode 

type StatementNode struct {
	Expr Node
}

func (StatementNode) String 

func (s StatementNode) String() string

type StringNode 

type StringNode struct {
	Value string
}

func (StringNode) String 

func (s StringNode) String() string

type SwitchNode 

type SwitchNode struct {
	Cond        Node
	DefaultCase []Node
	Cases       []CaseNode
}

func (SwitchNode) String 

func (s SwitchNode) String() string

type TernaryNode 

type TernaryNode struct {
	Cond      Node
	TrueBody  Node
	FalseBody Node
}

Yes, I know "ternary" is no more descriptive than binary op, but there's only one.

func (TernaryNode) String 

func (t TernaryNode) String() string

type Token 

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

func (*Token) Error 

func (t *Token) Error() Token

func (Token) String 

func (t Token) String() string

type TokenType 

type TokenType int

func (TokenType) String 

func (t TokenType) String() string

type TranslationUnit 

type TranslationUnit struct {
	File  string
	Funcs []FunctionNode
	Vars  []Node
}

func (TranslationUnit) ResolveDuplicates 

func (t TranslationUnit) ResolveDuplicates() error

TODO: resolve auto variable declarations within function definitions

func (TranslationUnit) ResolveLabels 

func (t TranslationUnit) ResolveLabels(fn FunctionNode) error

Make sure all goto jump to valid places

func (TranslationUnit) String 

func (t TranslationUnit) String() string

func (TranslationUnit) Verify 

func (t TranslationUnit) Verify() error

func (TranslationUnit) VerifyAssignments 

func (t TranslationUnit) VerifyAssignments(fn FunctionNode) error

Verify that all assignments have a proper LHS and RHS

func (TranslationUnit) VerifyFunction 

func (t TranslationUnit) VerifyFunction(fn FunctionNode) error

type UnaryNode 

type UnaryNode struct {
	Oper    string
	Node    Node
	Postfix bool
}

func (UnaryNode) String 

func (u UnaryNode) String() string

type VarDecl 

type VarDecl struct {
	Name    string
	VecDecl bool
	Size    int
}

type VarDeclNode 

type VarDeclNode struct {
	Vars []VarDecl
}

func (VarDeclNode) String 

func (v VarDeclNode) String() string

type WhileNode 

type WhileNode struct {
	Cond Node
	Body Node
}

func (WhileNode) String 

func (w WhileNode) String() string

Source Files

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