112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
package izapple2
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import (
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"fmt"
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"strings"
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"golang.org/x/exp/maps"
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"golang.org/x/exp/slices"
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)
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type executionTracer interface {
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connect(a *Apple2)
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inspect()
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}
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type traceBuilder struct {
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name string
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description string
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executionTracer executionTracer
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connectFunc func(a *Apple2)
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}
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var traceFactory map[string]*traceBuilder
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func getTracerFactory() map[string]*traceBuilder {
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if traceFactory != nil {
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return traceFactory
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}
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tracerFactory := make(map[string]*traceBuilder)
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tracerFactory["mos"] = &traceBuilder{
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name: "mos",
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description: "Trace MOS calls with Applecorn skipping terminal IO",
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executionTracer: newTraceApplecorn(true),
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}
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tracerFactory["mosfull"] = &traceBuilder{
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name: "mosfull",
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description: "Trace MOS calls with Applecorn",
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executionTracer: newTraceApplecorn(false),
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}
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tracerFactory["mli"] = &traceBuilder{
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name: "mli",
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description: "Trace ProDOS MLI calls",
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executionTracer: newTraceProDOS(),
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}
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tracerFactory["ucsd"] = &traceBuilder{
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name: "ucsd",
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description: "Trace UCSD system calls",
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executionTracer: newTracePascal(),
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}
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tracerFactory["cpu"] = &traceBuilder{
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name: "cpu",
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description: "Trace CPU execution",
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connectFunc: func(a *Apple2) { a.cpu.SetTrace(true) },
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}
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tracerFactory["ss"] = &traceBuilder{
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name: "ss",
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description: "Trace sotfswiches calls",
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connectFunc: func(a *Apple2) { a.io.setTrace(true) },
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}
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tracerFactory["ssreg"] = &traceBuilder{
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name: "ssreg",
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description: "Trace sotfswiches registrations",
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connectFunc: func(a *Apple2) { a.io.setTraceRegistrations(true) },
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}
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tracerFactory["panicss"] = &traceBuilder{
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name: "panicss",
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description: "Panic on unimplemented softswitches",
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connectFunc: func(a *Apple2) { a.io.setPanicNotImplemented(true) },
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}
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tracerFactory["cpm65"] = &traceBuilder{
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name: "cpm65",
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description: "Trace CPM65 BDOS calls",
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executionTracer: newTraceCpm65(false),
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}
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return tracerFactory
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}
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func availableTracers() []string {
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names := maps.Keys(getTracerFactory())
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slices.Sort(names)
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return names
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}
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func setupTracers(a *Apple2, paramString string) error {
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tracerFactory := getTracerFactory()
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tracerNames := splitConfigurationString(paramString, ',')
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for _, tracer := range tracerNames {
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tracer = strings.ToLower(strings.TrimSpace(tracer))
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if tracer == "none" {
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continue
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}
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builder, ok := tracerFactory[tracer]
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if !ok {
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return fmt.Errorf("unknown tracer %s", tracer)
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}
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if builder.connectFunc != nil {
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builder.connectFunc(a)
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}
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if builder.executionTracer != nil {
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a.addTracer(builder.executionTracer)
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}
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}
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return nil
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}
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func (a *Apple2) addTracer(tracer executionTracer) {
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tracer.connect(a)
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a.tracers = append(a.tracers, tracer)
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}
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