// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

import _ "unsafe"

// f1 is pushed from main.
//
//go:linkname f1
func f1()

// Push f2 to main.
//
//go:linkname f2 main.f2
func f2() {}

-- expect --
FAILURE ".*expected a proc but didn't have one.*"
-- trace --
Trace Go1.22
EventBatch gen=1 m=0 time=0 size=34
GoCreateSyscall dt=1 new_g=4
ProcStatus dt=1 p=0 pstatus=2
ProcStart dt=1 p=0 p_seq=1
GoSyscallEndBlocked dt=1
GoStart dt=1 g=4 g_seq=1
GoSyscallBegin dt=1 p_seq=2 stack=0
GoDestroySyscall dt=1
GoCreateSyscall dt=1 new_g=4
GoSyscallEnd dt=1
GoSyscallBegin dt=1 p_seq=3 stack=0
GoDestroySyscall dt=1

//
// Specifically, it tests a scenerio wherein a C
// thread is calling into Go, creating a goroutine in
// a syscall (in the tracer's model). Because the actual
// m can be reused, it's possible for that m to have never
// had its P (in _Psyscall) stolen if the runtime doesn't
// model the scenario correctly. Make sure we reject such
// traces.

package main

import (
	"internal/trace"
	"internal/trace/event/go122"

	`package p; type _ [A+B]struct{}`,
	`package p; func (R) _()`,
	`package p; type _ struct{ f [n]E }`,
	`package p; type _ struct{ f [a+b+c+d]E }`,
	`package p; type I1 interface{}; type I2 interface{ I1 }`,

	// generic code
	`package p; type _ []T[int]`,
	`package p; type T[P any] struct { P }`,
	`package p; type T[P comparable] struct { P }`,
	`package p; type T[P comparable[P]] struct { P }`,

	p.openScope()
	p.pkgScope = p.topScope

	// for the same reason, set up a label scope
	p.openLabelScope()
}

// ----------------------------------------------------------------------------
// Scoping support

func (p *parser) openScope() {
	p.topScope = ast.NewScope(p.topScope)
}

func (p *parser) closeScope() {
	p.topScope = p.topScope.Outer
}

func (p *parser) openLabelScope() {

		p.print(_Func)
		p.printSignature(n)

	case *InterfaceType:
		p.print(_Interface)
		if p.linebreaks && len(n.MethodList) > 1 {
			p.print(blank)
			p.print(_Lbrace)
			p.print(newline, indent)
			p.printMethodList(n.MethodList)
			p.print(outdent, newline)
		} else {
			p.print(_Lbrace)
			p.printMethodList(n.MethodList)
		}
		p.print(_Rbrace)

	case *MapType:

		p = obj.Appendp(p, c.newprog)
		p.As = mov
		p.From.Type = obj.TYPE_REG
		p.From.Reg = REGCTXT
		p.To.Type = obj.TYPE_MEM
		p.To.Offset = -int64(c.ctxt.Arch.PtrSize)
		p.To.Reg = REGSP

		// ADD	$-8/$-16, SP
		p = obj.Appendp(p, c.newprog)
		p.As = add
		p.From.Type = obj.TYPE_CONST
		p.From.Offset = int64(-frameSize)
		p.To.Type = obj.TYPE_REG
		p.To.Reg = REGSP
		p.Spadj = int32(frameSize)

		case p.tok.IsLiteral():
			p.printTrace(s, p.lit)
		case p.tok.IsOperator(), p.tok.IsKeyword():
			p.printTrace("\"" + s + "\"")
		default:
			p.printTrace(s)
		}
	}

	for {
		p.pos, p.tok, p.lit = p.scanner.Scan()
		if p.tok == token.COMMENT {
			if p.top && strings.HasPrefix(p.lit, "//go:build") {
				if x, err := constraint.Parse(p.lit); err == nil {
					p.goVersion = constraint.GoVersion(x)
				}
			}

		*p.next.ptr() = memHdr{}
	} else {
		bp.next = p.next
	}
	if uintptr(unsafe.Pointer(p))+p.size == bpn {
		p.size += bp.size
		p.next = bp.next
		*bp = memHdr{}
	} else {
		p.next.set(bp)
	}
}

func memCheck() {
	if !memDebug {
		return
	}
	for p := memFreelist.ptr(); p != nil && p.next != 0; p = p.next.ptr() {
		if uintptr(unsafe.Pointer(p)) == uintptr(unsafe.Pointer(p.next)) {

	}
	out, err := p.Runner.RunCmd("get pods -o yaml", p.IstioNamespace, p.KubeConfig, p.KubeContext, p.DryRun)
	return map[string]string{
		"pods": out,
	}, err
}

// GetEvents returns events for all namespaces.
func GetEvents(p *Params) (map[string]string, error) {
	out, err := p.Runner.RunCmd("get events --all-namespaces -o wide --sort-by=.metadata.creationTimestamp", "", p.KubeConfig, p.KubeContext, p.DryRun)