Method parseBind

internal/parser/parser.go:237–302

TODO(sbarzowski) add location to all individual binds

(binds *ast.LocalBinds)

// TODO(sbarzowski) add location to all individual binds
func (p *parser) parseBind(binds *ast.LocalBinds) (*token, errors.StaticError) {
	varID, popErr := p.popExpect(tokenIdentifier)
	if popErr != nil {
		return nil, popErr
	}
	for _, b := range *binds {
		if b.Variable == ast.Identifier(varID.data) {
			return nil, errors.MakeStaticError(fmt.Sprintf("Duplicate local var: %v", varID.data), varID.loc)
		}
	}

	var fun *ast.Function
	if p.peek().kind == tokenParenL {
		parenL := p.pop()
		parenR, params, gotComma, err := p.parseParameters("function parameter")
		if err != nil {
			return nil, err
		}
		fun = &ast.Function{
			ParenLeftFodder:  parenL.fodder,
			Parameters:       params,
			TrailingComma:    gotComma,
			ParenRightFodder: parenR.fodder,
			// Body gets filled in later.
		}
	}

	eqToken, popErr := p.popExpectOp("=")
	if popErr != nil {
		return nil, popErr
	}
	body, err := p.parse(iast.MaxPrecedence)
	if err != nil {
		return nil, err
	}

	delim := p.pop()
	if delim.kind != tokenSemicolon && delim.kind != tokenComma {
		return nil, errors.MakeStaticError(fmt.Sprintf("Expected , or ; but got %v", delim), delim.loc)
	}

	if fun != nil {
		fun.NodeBase = ast.NewNodeBaseLoc(locFromTokenAST(varID, body), nil)
		fun.Body = body
		*binds = append(*binds, ast.LocalBind{
			VarFodder:   varID.fodder,
			Variable:    ast.Identifier(varID.data),
			EqFodder:    eqToken.fodder,
			Body:        body,
			Fun:         fun,
			CloseFodder: delim.fodder,
			LocRange:    locFromTokenAST(varID, body),
		})
	} else {
		*binds = append(*binds, ast.LocalBind{
			VarFodder:   varID.fodder,
			Variable:    ast.Identifier(varID.data),
			EqFodder:    eqToken.fodder,