示例#1
0
文件: oop.go 项目: xingskycn/php-1
func (p *Parser) parseInterface() *ast.Interface {
	i := &ast.Interface{
		Inherits: make([]string, 0),
	}
	p.expect(token.Identifier)
	i.Name = p.current.Val
	p.namespace.ClassesAndInterfaces[i.Name] = i
	if p.peek().Typ == token.Extends {
		p.expect(token.Extends)
		for {
			p.expect(token.Identifier)
			i.Inherits = append(i.Inherits, p.current.Val)
			if p.peek().Typ != token.Comma {
				break
			}
			p.expect(token.Comma)
		}
	}
	p.expect(token.BlockBegin)
	for p.peek().Typ != token.BlockEnd {
		vis, _ := p.parseVisibility()
		if p.peek().Typ == token.Static {
			p.next()
		}
		p.next()
		switch p.current.Typ {
		case token.Function:
			f := p.parseFunctionDefinition()
			m := ast.Method{
				Visibility:   vis,
				FunctionStmt: &ast.FunctionStmt{FunctionDefinition: f},
			}
			i.Methods = append(i.Methods, m)
			p.expect(token.StatementEnd)
		case token.Const:
			constant := ast.Constant{}
			p.expect(token.Identifier)
			constant.Name = p.current.Val
			if p.peek().Typ == token.AssignmentOperator {
				p.expect(token.AssignmentOperator)
				constant.Value = p.parseNextExpression()
			}
			i.Constants = append(i.Constants, constant)
			p.expect(token.StatementEnd)
		default:
			p.errorf("unexpected interface member %v", p.current)
		}
	}
	p.expect(token.BlockEnd)
	return i
}
示例#2
0
文件: oop.go 项目: netyum/php
func (p *Parser) parseClassFields(c ast.Class) ast.Class {
	// Starting on BlockBegin
	c.Methods = make([]ast.Method, 0)
	c.Properties = make([]ast.Property, 0)
	for p.peek().typ != token.BlockEnd {
		vis, _, _, abstract := p.parseClassMemberSettings()
		p.next()
		switch p.current.typ {
		case token.Function:
			if abstract {
				f := p.parseFunctionDefinition()
				m := ast.Method{
					Visibility:   vis,
					FunctionStmt: &ast.FunctionStmt{FunctionDefinition: f},
				}
				c.Methods = append(c.Methods, m)
				p.expect(token.StatementEnd)
			} else {
				c.Methods = append(c.Methods, ast.Method{
					Visibility:   vis,
					FunctionStmt: p.parseFunctionStmt(),
				})
			}
		case token.Var:
			p.expect(token.VariableOperator)
			fallthrough
		case token.VariableOperator:
			for {
				p.expect(token.Identifier)
				prop := ast.Property{
					Visibility: vis,
					Name:       "$" + p.current.val,
				}
				if p.peek().typ == token.AssignmentOperator {
					p.expect(token.AssignmentOperator)
					prop.Initialization = p.parseNextExpression()
				}
				c.Properties = append(c.Properties, prop)
				if p.accept(token.StatementEnd) {
					break
				}
				p.expect(token.Comma)
				p.expect(token.VariableOperator)
			}
		case token.Const:
			constant := ast.Constant{}
			p.expect(token.Identifier)
			constant.Variable = ast.NewVariable(p.current.val)
			if p.peek().typ == token.AssignmentOperator {
				p.expect(token.AssignmentOperator)
				constant.Value = p.parseNextExpression()
			}
			c.Constants = append(c.Constants, constant)
			p.expect(token.StatementEnd)
		default:
			p.errorf("unexpected class member %v", p.current)
			return c
		}
	}
	p.expect(token.BlockEnd)
	return c
}