How to use newParser method of kconfig Package

Best Syzkaller code snippet using kconfig.newParser

filter_windows.go

Source:filter_windows.go

1/*2 * Copyright 2020-2021 by Nedim Sabic Sabic3 * https://www.fibratus.io4 * All Rights Reserved.5 *6 * Licensed under the Apache License, Version 2.0 (the "License");7 * you may not use this file except in compliance with the License.8 * You may obtain a copy of the License at9 *10 *  http://www.apache.org/licenses/LICENSE-2.011 *12 * Unless required by applicable law or agreed to in writing, software13 * distributed under the License is distributed on an "AS IS" BASIS,14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.15 * See the License for the specific language governing permissions and16 * limitations under the License.17 */18package filter19import (20	"fmt"21	"github.com/rabbitstack/fibratus/pkg/config"22	"github.com/rabbitstack/fibratus/pkg/filter/fields"23	"github.com/rabbitstack/fibratus/pkg/filter/ql"24	"strings"25)26// New creates a new filter with the specified filter expression. The consumers must ensure27// the expression is correctly parsed before executing the filter. This is achieved by calling the28// Compile` method after constructing the filter.29func New(expr string, config *config.Config) Filter {30	accessors := []accessor{31		// general event parameters32		newKevtAccessor(),33		// process state and parameters34		newPSAccessor(),35	}36	kconfig := config.Kstream37	if kconfig.EnableThreadKevents {38		accessors = append(accessors, newThreadAccessor())39	}40	if kconfig.EnableImageKevents {41		accessors = append(accessors, newImageAccessor())42	}43	if kconfig.EnableFileIOKevents {44		accessors = append(accessors, newFileAccessor())45	}46	if kconfig.EnableRegistryKevents {47		accessors = append(accessors, newRegistryAccessor())48	}49	if kconfig.EnableNetKevents {50		accessors = append(accessors, newNetworkAccessor())51	}52	if kconfig.EnableHandleKevents {53		accessors = append(accessors, newHandleAccessor())54	}55	if config.PE.Enabled {56		accessors = append(accessors, newPEAccessor())57	}58	return &filter{59		parser:    ql.NewParser(expr),60		accessors: accessors,61		fields:    make([]fields.Field, 0),62		bindings:  make(map[uint16][]*ql.PatternBindingLiteral),63	}64}65// NewFromCLI builds and compiles a filter by joining all the command line arguments into the filter expression.66func NewFromCLI(args []string, config *config.Config) (Filter, error) {67	expr := strings.Join(args, " ")68	if expr == "" {69		return nil, nil70	}71	filter := New(expr, config)72	if err := filter.Compile(); err != nil {73		return nil, fmt.Errorf("bad filter:\n %v", err)74	}75	return filter, nil76}77// NewFromCLIWithAllAccessors builds and compiles a filter with all field accessors enabled.78func NewFromCLIWithAllAccessors(args []string) (Filter, error) {79	expr := strings.Join(args, " ")80	if expr == "" {81		return nil, nil82	}83	filter := &filter{84		parser:    ql.NewParser(expr),85		accessors: getAccessors(),86		fields:    make([]fields.Field, 0),87		bindings:  make(map[uint16][]*ql.PatternBindingLiteral),88	}89	if err := filter.Compile(); err != nil {90		return nil, fmt.Errorf("bad filter:\n %v", err)91	}92	return filter, nil93}...

fuzz.go

Source:fuzz.go

...12	ParseConfigData(data, "config")13	return 014}15func FuzzParseExpr(data []byte) int {16	p := newParser(data, "expr")17	if !p.nextLine() {18		return 019	}20	p.parseExpr()21	return 022}...

newParser

Using AI Code Generation

1import (2func main() {3 app := cli.NewApp()4 app.Compiled = time.Now()5 app.Authors = []cli.Author{6 {

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