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terminal: divide commands into categories

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There are too many commands, for clarity they should be divided into
categories when printing and generating documentation.
This commit is contained in:
aarzilli
2020-03-09 16:11:32 +01:00
committed by Derek Parker
parent 12d9b8069c
commit b886e8e449
4 changed files with 166 additions and 86 deletions
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104
Documentation/cli/README.md
View File

@ -6,56 +6,88 @@ The configuration file `config.yml` contains all the configurable options and th
# Commands # Commands
## Running the program
Command | Description Command | Description
--------|------------ --------|------------
[args](#args) | Print function arguments.
[break](#break) | Sets a breakpoint.
[breakpoints](#breakpoints) | Print out info for active breakpoints.
[call](#call) | Resumes process, injecting a function call (EXPERIMENTAL!!!) [call](#call) | Resumes process, injecting a function call (EXPERIMENTAL!!!)
[check](#check) | Creates a checkpoint at the current position.
[checkpoints](#checkpoints) | Print out info for existing checkpoints.
[clear](#clear) | Deletes breakpoint.
[clear-checkpoint](#clear-checkpoint) | Deletes checkpoint.
[clearall](#clearall) | Deletes multiple breakpoints.
[condition](#condition) | Set breakpoint condition.
[config](#config) | Changes configuration parameters.
[continue](#continue) | Run until breakpoint or program termination. [continue](#continue) | Run until breakpoint or program termination.
[deferred](#deferred) | Executes command in the context of a deferred call.
[disassemble](#disassemble) | Disassembler.
[down](#down) | Move the current frame down.
[edit](#edit) | Open where you are in $DELVE_EDITOR or $EDITOR
[examinemem](#examinemem) | Examine memory:
[exit](#exit) | Exit the debugger.
[frame](#frame) | Set the current frame, or execute command on a different frame.
[funcs](#funcs) | Print list of functions.
[goroutine](#goroutine) | Shows or changes current goroutine
[goroutines](#goroutines) | List program goroutines.
[help](#help) | Prints the help message.
[libraries](#libraries) | List loaded dynamic libraries
[list](#list) | Show source code.
[locals](#locals) | Print local variables.
[next](#next) | Step over to next source line. [next](#next) | Step over to next source line.
[on](#on) | Executes a command when a breakpoint is hit.
[print](#print) | Evaluate an expression.
[regs](#regs) | Print contents of CPU registers.
[restart](#restart) | Restart process from a checkpoint or event. [restart](#restart) | Restart process from a checkpoint or event.
[rev](#rev) | Reverses the execution of the target program for the command specified.
[rewind](#rewind) | Run backwards until breakpoint or program termination. [rewind](#rewind) | Run backwards until breakpoint or program termination.
[set](#set) | Changes the value of a variable.
[source](#source) | Executes a file containing a list of delve commands
[sources](#sources) | Print list of source files.
[stack](#stack) | Print stack trace.
[step](#step) | Single step through program. [step](#step) | Single step through program.
[step-instruction](#step-instruction) | Single step a single cpu instruction. [step-instruction](#step-instruction) | Single step a single cpu instruction.
[stepout](#stepout) | Step out of the current function. [stepout](#stepout) | Step out of the current function.
[thread](#thread) | Switch to the specified thread.
[threads](#threads) | Print out info for every traced thread.
## Manipulating breakpoints
Command | Description
--------|------------
[break](#break) | Sets a breakpoint.
[breakpoints](#breakpoints) | Print out info for active breakpoints.
[clear](#clear) | Deletes breakpoint.
[clearall](#clearall) | Deletes multiple breakpoints.
[condition](#condition) | Set breakpoint condition.
[on](#on) | Executes a command when a breakpoint is hit.
[trace](#trace) | Set tracepoint. [trace](#trace) | Set tracepoint.
[types](#types) | Print list of types
[up](#up) | Move the current frame up.
## Viewing program variables and memory
Command | Description
--------|------------
[args](#args) | Print function arguments.
[examinemem](#examinemem) | Examine memory:
[locals](#locals) | Print local variables.
[print](#print) | Evaluate an expression.
[regs](#regs) | Print contents of CPU registers.
[set](#set) | Changes the value of a variable.
[vars](#vars) | Print package variables. [vars](#vars) | Print package variables.
[whatis](#whatis) | Prints type of an expression. [whatis](#whatis) | Prints type of an expression.
## Listing and switching between threads and goroutines
Command | Description
--------|------------
[goroutine](#goroutine) | Shows or changes current goroutine
[goroutines](#goroutines) | List program goroutines.
[thread](#thread) | Switch to the specified thread.
[threads](#threads) | Print out info for every traced thread.
## Viewing the call stack and selecting frames
Command | Description
--------|------------
[deferred](#deferred) | Executes command in the context of a deferred call.
[down](#down) | Move the current frame down.
[frame](#frame) | Set the current frame, or execute command on a different frame.
[stack](#stack) | Print stack trace.
[up](#up) | Move the current frame up.
## Other commands
Command | Description
--------|------------
[check](#check) | Creates a checkpoint at the current position.
[checkpoints](#checkpoints) | Print out info for existing checkpoints.
[clear-checkpoint](#clear-checkpoint) | Deletes checkpoint.
[config](#config) | Changes configuration parameters.
[disassemble](#disassemble) | Disassembler.
[edit](#edit) | Open where you are in $DELVE_EDITOR or $EDITOR
[exit](#exit) | Exit the debugger.
[funcs](#funcs) | Print list of functions.
[help](#help) | Prints the help message.
[libraries](#libraries) | List loaded dynamic libraries
[list](#list) | Show source code.
[rev](#rev) | Reverses the execution of the target program for the command specified.
[source](#source) | Executes a file containing a list of delve commands
[sources](#sources) | Print list of source files.
[types](#types) | Print list of types
## args ## args
Print function arguments. Print function arguments.

96
pkg/terminal/command.go
View File

@ -60,6 +60,7 @@ type cmdfunc func(t *Term, ctx callContext, args string) error
type command struct { type command struct {
aliases []string aliases []string
builtinAliases []string builtinAliases []string
group commandGroup
allowedPrefixes cmdPrefix allowedPrefixes cmdPrefix
helpMsg string helpMsg string
cmdFn cmdfunc cmdFn cmdfunc
@ -112,21 +113,21 @@ func DebugCommands(client service.Client) *Commands {
help [command] help [command]
Type "help" followed by the name of a command for more information about it.`}, Type "help" followed by the name of a command for more information about it.`},
{aliases: []string{"break", "b"}, cmdFn: breakpoint, helpMsg: `Sets a breakpoint. {aliases: []string{"break", "b"}, group: breakCmds, cmdFn: breakpoint, helpMsg: `Sets a breakpoint.
break [name] <linespec> break [name] <linespec>
See $GOPATH/src/github.com/go-delve/delve/Documentation/cli/locspec.md for the syntax of linespec. See $GOPATH/src/github.com/go-delve/delve/Documentation/cli/locspec.md for the syntax of linespec.
See also: "help on", "help cond" and "help clear"`}, See also: "help on", "help cond" and "help clear"`},
{aliases: []string{"trace", "t"}, cmdFn: tracepoint, helpMsg: `Set tracepoint. {aliases: []string{"trace", "t"}, group: breakCmds, cmdFn: tracepoint, helpMsg: `Set tracepoint.
trace [name] <linespec> trace [name] <linespec>
A tracepoint is a breakpoint that does not stop the execution of the program, instead when the tracepoint is hit a notification is displayed. See $GOPATH/src/github.com/go-delve/delve/Documentation/cli/locspec.md for the syntax of linespec. A tracepoint is a breakpoint that does not stop the execution of the program, instead when the tracepoint is hit a notification is displayed. See $GOPATH/src/github.com/go-delve/delve/Documentation/cli/locspec.md for the syntax of linespec.
See also: "help on", "help cond" and "help clear"`}, See also: "help on", "help cond" and "help clear"`},
{aliases: []string{"restart", "r"}, cmdFn: restart, helpMsg: `Restart process. {aliases: []string{"restart", "r"}, group: runCmds, cmdFn: restart, helpMsg: `Restart process.
For recorded targets the command takes the following forms: For recorded targets the command takes the following forms:
@ -141,17 +142,17 @@ For live targets the command takes the following forms:
If newargv is omitted the process is restarted (or re-recorded) with the same argument vector. If newargv is omitted the process is restarted (or re-recorded) with the same argument vector.
If -noargs is specified instead, the argument vector is cleared. If -noargs is specified instead, the argument vector is cleared.
`}, `},
{aliases: []string{"continue", "c"}, cmdFn: c.cont, helpMsg: "Run until breakpoint or program termination."}, {aliases: []string{"continue", "c"}, group: runCmds, cmdFn: c.cont, helpMsg: "Run until breakpoint or program termination."},
{aliases: []string{"step", "s"}, cmdFn: c.step, helpMsg: "Single step through program."}, {aliases: []string{"step", "s"}, group: runCmds, cmdFn: c.step, helpMsg: "Single step through program."},
{aliases: []string{"step-instruction", "si"}, allowedPrefixes: revPrefix, cmdFn: c.stepInstruction, helpMsg: "Single step a single cpu instruction."}, {aliases: []string{"step-instruction", "si"}, group: runCmds, allowedPrefixes: revPrefix, cmdFn: c.stepInstruction, helpMsg: "Single step a single cpu instruction."},
{aliases: []string{"next", "n"}, cmdFn: c.next, helpMsg: `Step over to next source line. {aliases: []string{"next", "n"}, group: runCmds, cmdFn: c.next, helpMsg: `Step over to next source line.
next [count] next [count]
Optional [count] argument allows you to skip multiple lines. Optional [count] argument allows you to skip multiple lines.
`}, `},
{aliases: []string{"stepout", "so"}, cmdFn: c.stepout, helpMsg: "Step out of the current function."}, {aliases: []string{"stepout", "so"}, group: runCmds, cmdFn: c.stepout, helpMsg: "Step out of the current function."},
{aliases: []string{"call"}, cmdFn: c.call, helpMsg: `Resumes process, injecting a function call (EXPERIMENTAL!!!) {aliases: []string{"call"}, group: runCmds, cmdFn: c.call, helpMsg: `Resumes process, injecting a function call (EXPERIMENTAL!!!)
call [-unsafe] <function call expression> call [-unsafe] <function call expression>
@ -167,19 +168,19 @@ Current limitations:
- calling a function will resume execution of all goroutines. - calling a function will resume execution of all goroutines.
- only supported on linux's native backend. - only supported on linux's native backend.
`}, `},
{aliases: []string{"threads"}, cmdFn: threads, helpMsg: "Print out info for every traced thread."}, {aliases: []string{"threads"}, group: goroutineCmds, cmdFn: threads, helpMsg: "Print out info for every traced thread."},
{aliases: []string{"thread", "tr"}, cmdFn: thread, helpMsg: `Switch to the specified thread. {aliases: []string{"thread", "tr"}, group: goroutineCmds, cmdFn: thread, helpMsg: `Switch to the specified thread.
thread <id>`}, thread <id>`},
{aliases: []string{"clear"}, cmdFn: clear, helpMsg: `Deletes breakpoint. {aliases: []string{"clear"}, group: breakCmds, cmdFn: clear, helpMsg: `Deletes breakpoint.
clear <breakpoint name or id>`}, clear <breakpoint name or id>`},
{aliases: []string{"clearall"}, cmdFn: clearAll, helpMsg: `Deletes multiple breakpoints. {aliases: []string{"clearall"}, group: breakCmds, cmdFn: clearAll, helpMsg: `Deletes multiple breakpoints.
clearall [<linespec>] clearall [<linespec>]
If called with the linespec argument it will delete all the breakpoints matching the linespec. If linespec is omitted all breakpoints are deleted.`}, If called with the linespec argument it will delete all the breakpoints matching the linespec. If linespec is omitted all breakpoints are deleted.`},
{aliases: []string{"goroutines", "grs"}, cmdFn: goroutines, helpMsg: `List program goroutines. {aliases: []string{"goroutines", "grs"}, group: goroutineCmds, cmdFn: goroutines, helpMsg: `List program goroutines.
goroutines [-u (default: user location)|-r (runtime location)|-g (go statement location)|-s (start location)] [ -t (stack trace)] goroutines [-u (default: user location)|-r (runtime location)|-g (go statement location)|-s (start location)] [ -t (stack trace)]
@ -193,7 +194,7 @@ Print out info for every goroutine. The flag controls what information is shown
-l displays goroutine's labels -l displays goroutine's labels
If no flag is specified the default is -u.`}, If no flag is specified the default is -u.`},
{aliases: []string{"goroutine", "gr"}, allowedPrefixes: onPrefix, cmdFn: c.goroutine, helpMsg: `Shows or changes current goroutine {aliases: []string{"goroutine", "gr"}, group: goroutineCmds, allowedPrefixes: onPrefix, cmdFn: c.goroutine, helpMsg: `Shows or changes current goroutine
goroutine goroutine
goroutine <id> goroutine <id>
@ -202,16 +203,16 @@ If no flag is specified the default is -u.`},
Called without arguments it will show information about the current goroutine. Called without arguments it will show information about the current goroutine.
Called with a single argument it will switch to the specified goroutine. Called with a single argument it will switch to the specified goroutine.
Called with more arguments it will execute a command on the specified goroutine.`}, Called with more arguments it will execute a command on the specified goroutine.`},
{aliases: []string{"breakpoints", "bp"}, cmdFn: breakpoints, helpMsg: "Print out info for active breakpoints."}, {aliases: []string{"breakpoints", "bp"}, group: breakCmds, cmdFn: breakpoints, helpMsg: "Print out info for active breakpoints."},
{aliases: []string{"print", "p"}, allowedPrefixes: onPrefix | deferredPrefix, cmdFn: printVar, helpMsg: `Evaluate an expression. {aliases: []string{"print", "p"}, group: dataCmds, allowedPrefixes: onPrefix | deferredPrefix, cmdFn: printVar, helpMsg: `Evaluate an expression.
[goroutine <n>] [frame <m>] print <expression> [goroutine <n>] [frame <m>] print <expression>
See $GOPATH/src/github.com/go-delve/delve/Documentation/cli/expr.md for a description of supported expressions.`}, See $GOPATH/src/github.com/go-delve/delve/Documentation/cli/expr.md for a description of supported expressions.`},
{aliases: []string{"whatis"}, cmdFn: whatisCommand, helpMsg: `Prints type of an expression. {aliases: []string{"whatis"}, group: dataCmds, cmdFn: whatisCommand, helpMsg: `Prints type of an expression.
whatis <expression>`}, whatis <expression>`},
{aliases: []string{"set"}, cmdFn: setVar, helpMsg: `Changes the value of a variable. {aliases: []string{"set"}, group: dataCmds, cmdFn: setVar, helpMsg: `Changes the value of a variable.
[goroutine <n>] [frame <m>] set <variable> = <value> [goroutine <n>] [frame <m>] set <variable> = <value>
@ -231,24 +232,24 @@ If regex is specified only the functions matching it will be returned.`},
types [<regex>] types [<regex>]
If regex is specified only the types matching it will be returned.`}, If regex is specified only the types matching it will be returned.`},
{aliases: []string{"args"}, allowedPrefixes: onPrefix | deferredPrefix, cmdFn: args, helpMsg: `Print function arguments. {aliases: []string{"args"}, allowedPrefixes: onPrefix | deferredPrefix, group: dataCmds, cmdFn: args, helpMsg: `Print function arguments.
[goroutine <n>] [frame <m>] args [-v] [<regex>] [goroutine <n>] [frame <m>] args [-v] [<regex>]
If regex is specified only function arguments with a name matching it will be returned. If -v is specified more information about each function argument will be shown.`}, If regex is specified only function arguments with a name matching it will be returned. If -v is specified more information about each function argument will be shown.`},
{aliases: []string{"locals"}, allowedPrefixes: onPrefix | deferredPrefix, cmdFn: locals, helpMsg: `Print local variables. {aliases: []string{"locals"}, allowedPrefixes: onPrefix | deferredPrefix, group: dataCmds, cmdFn: locals, helpMsg: `Print local variables.
[goroutine <n>] [frame <m>] locals [-v] [<regex>] [goroutine <n>] [frame <m>] locals [-v] [<regex>]
The name of variables that are shadowed in the current scope will be shown in parenthesis. The name of variables that are shadowed in the current scope will be shown in parenthesis.
If regex is specified only local variables with a name matching it will be returned. If -v is specified more information about each local variable will be shown.`}, If regex is specified only local variables with a name matching it will be returned. If -v is specified more information about each local variable will be shown.`},
{aliases: []string{"vars"}, cmdFn: vars, helpMsg: `Print package variables. {aliases: []string{"vars"}, cmdFn: vars, group: dataCmds, helpMsg: `Print package variables.
vars [-v] [<regex>] vars [-v] [<regex>]
If regex is specified only package variables with a name matching it will be returned. If -v is specified more information about each package variable will be shown.`}, If regex is specified only package variables with a name matching it will be returned. If -v is specified more information about each package variable will be shown.`},
{aliases: []string{"regs"}, cmdFn: regs, helpMsg: `Print contents of CPU registers. {aliases: []string{"regs"}, cmdFn: regs, group: dataCmds, helpMsg: `Print contents of CPU registers.
regs [-a] regs [-a]
@ -263,7 +264,7 @@ When connected to a headless instance started with the --accept-multiclient, pas
[goroutine <n>] [frame <m>] list [<linespec>] [goroutine <n>] [frame <m>] list [<linespec>]
Show source around current point or provided linespec.`}, Show source around current point or provided linespec.`},
{aliases: []string{"stack", "bt"}, allowedPrefixes: onPrefix, cmdFn: stackCommand, helpMsg: `Print stack trace. {aliases: []string{"stack", "bt"}, allowedPrefixes: onPrefix, group: stackCmds, cmdFn: stackCommand, helpMsg: `Print stack trace.
[goroutine <n>] [frame <m>] stack [<depth>] [-full] [-offsets] [-defer] [-a <n>] [-adepth <depth>] [-mode <mode>] [goroutine <n>] [frame <m>] stack [<depth>] [-full] [-offsets] [-defer] [-a <n>] [-adepth <depth>] [-mode <mode>]
@ -278,6 +279,7 @@ Show source around current point or provided linespec.`},
fromg - starts from the registers stored in the runtime.g struct fromg - starts from the registers stored in the runtime.g struct
`}, `},
{aliases: []string{"frame"}, {aliases: []string{"frame"},
group: stackCmds,
cmdFn: func(t *Term, ctx callContext, arg string) error { cmdFn: func(t *Term, ctx callContext, arg string) error {
return c.frameCommand(t, ctx, arg, frameSet) return c.frameCommand(t, ctx, arg, frameSet)
}, },
@ -289,6 +291,7 @@ Show source around current point or provided linespec.`},
The first form sets frame used by subsequent commands such as "print" or "set". The first form sets frame used by subsequent commands such as "print" or "set".
The second form runs the command on the given frame.`}, The second form runs the command on the given frame.`},
{aliases: []string{"up"}, {aliases: []string{"up"},
group: stackCmds,
cmdFn: func(t *Term, ctx callContext, arg string) error { cmdFn: func(t *Term, ctx callContext, arg string) error {
return c.frameCommand(t, ctx, arg, frameUp) return c.frameCommand(t, ctx, arg, frameUp)
}, },
@ -299,6 +302,7 @@ The second form runs the command on the given frame.`},
Move the current frame up by <m>. The second form runs the command on the given frame.`}, Move the current frame up by <m>. The second form runs the command on the given frame.`},
{aliases: []string{"down"}, {aliases: []string{"down"},
group: stackCmds,
cmdFn: func(t *Term, ctx callContext, arg string) error { cmdFn: func(t *Term, ctx callContext, arg string) error {
return c.frameCommand(t, ctx, arg, frameDown) return c.frameCommand(t, ctx, arg, frameDown)
}, },
@ -308,7 +312,7 @@ Move the current frame up by <m>. The second form runs the command on the given
down [<m>] <command> down [<m>] <command>
Move the current frame down by <m>. The second form runs the command on the given frame.`}, Move the current frame down by <m>. The second form runs the command on the given frame.`},
{aliases: []string{"deferred"}, cmdFn: c.deferredCommand, helpMsg: `Executes command in the context of a deferred call. {aliases: []string{"deferred"}, group: stackCmds, cmdFn: c.deferredCommand, helpMsg: `Executes command in the context of a deferred call.
deferred <n> <command> deferred <n> <command>
@ -328,12 +332,12 @@ If no argument is specified the function being executed in the selected stack fr
-a <start> <end> disassembles the specified address range -a <start> <end> disassembles the specified address range
-l <locspec> disassembles the specified function`}, -l <locspec> disassembles the specified function`},
{aliases: []string{"on"}, cmdFn: c.onCmd, helpMsg: `Executes a command when a breakpoint is hit. {aliases: []string{"on"}, group: breakCmds, cmdFn: c.onCmd, helpMsg: `Executes a command when a breakpoint is hit.
on <breakpoint name or id> <command>. on <breakpoint name or id> <command>.
Supported commands: print, stack and goroutine)`}, Supported commands: print, stack and goroutine)`},
{aliases: []string{"condition", "cond"}, cmdFn: conditionCmd, helpMsg: `Set breakpoint condition. {aliases: []string{"condition", "cond"}, group: breakCmds, cmdFn: conditionCmd, helpMsg: `Set breakpoint condition.
condition <breakpoint name or id> <boolean expression>. condition <breakpoint name or id> <boolean expression>.
@ -369,7 +373,7 @@ Defines <alias> as an alias to <command> or removes an alias.`},
If locspec is omitted edit will open the current source file in the editor, otherwise it will open the specified location.`}, If locspec is omitted edit will open the current source file in the editor, otherwise it will open the specified location.`},
{aliases: []string{"libraries"}, cmdFn: libraries, helpMsg: `List loaded dynamic libraries`}, {aliases: []string{"libraries"}, cmdFn: libraries, helpMsg: `List loaded dynamic libraries`},
{aliases: []string{"examinemem", "x"}, cmdFn: examineMemoryCmd, helpMsg: `Examine memory: {aliases: []string{"examinemem", "x"}, group: dataCmds, cmdFn: examineMemoryCmd, helpMsg: `Examine memory:
examinemem [-fmt <format>] [-len <length>] <address> examinemem [-fmt <format>] [-len <length>] <address>
@ -385,6 +389,7 @@ For example:
if client == nil || client.Recorded() { if client == nil || client.Recorded() {
c.cmds = append(c.cmds, command{ c.cmds = append(c.cmds, command{
aliases: []string{"rewind", "rw"}, aliases: []string{"rewind", "rw"},
group: runCmds,
cmdFn: rewind, cmdFn: rewind,
helpMsg: "Run backwards until breakpoint or program termination.", helpMsg: "Run backwards until breakpoint or program termination.",
}) })
@ -526,22 +531,31 @@ func (c *Commands) help(t *Term, ctx callContext, args string) error {
} }
fmt.Println("The following commands are available:") fmt.Println("The following commands are available:")
w := new(tabwriter.Writer)
w.Init(os.Stdout, 0, 8, 0, '-', 0) for _, cgd := range commandGroupDescriptions {
for _, cmd := range c.cmds { fmt.Printf("\n%s:\n", cgd.description)
h := cmd.helpMsg w := new(tabwriter.Writer)
if idx := strings.Index(h, "\n"); idx >= 0 { w.Init(os.Stdout, 0, 8, 0, '-', 0)
h = h[:idx] for _, cmd := range c.cmds {
if cmd.group != cgd.group {
continue
}
h := cmd.helpMsg
if idx := strings.Index(h, "\n"); idx >= 0 {
h = h[:idx]
}
if len(cmd.aliases) > 1 {
fmt.Fprintf(w, " %s (alias: %s) \t %s\n", cmd.aliases[0], strings.Join(cmd.aliases[1:], " | "), h)
} else {
fmt.Fprintf(w, " %s \t %s\n", cmd.aliases[0], h)
}
} }
if len(cmd.aliases) > 1 { if err := w.Flush(); err != nil {
fmt.Fprintf(w, " %s (alias: %s) \t %s\n", cmd.aliases[0], strings.Join(cmd.aliases[1:], " | "), h) return err
} else {
fmt.Fprintf(w, " %s \t %s\n", cmd.aliases[0], h)
} }
} }
if err := w.Flush(); err != nil {
return err fmt.Println()
}
fmt.Println("Type help followed by a command for full documentation.") fmt.Println("Type help followed by a command for full documentation.")
return nil return nil
} }

26
pkg/terminal/docgen.go
View File

@ -33,18 +33,26 @@ func (commands *Commands) WriteMarkdown(w io.Writer) {
fmt.Fprint(w, "The configuration file `config.yml` contains all the configurable options and their default values. ") fmt.Fprint(w, "The configuration file `config.yml` contains all the configurable options and their default values. ")
fmt.Fprint(w, "The command history is stored in `.dbg_history`.\n\n") fmt.Fprint(w, "The command history is stored in `.dbg_history`.\n\n")
fmt.Fprint(w, "# Commands\n\n") fmt.Fprint(w, "# Commands\n")
fmt.Fprint(w, "Command | Description\n") for _, cgd := range commandGroupDescriptions {
fmt.Fprint(w, "--------|------------\n") fmt.Fprintf(w, "\n## %s\n\n", cgd.description)
for _, cmd := range commands.cmds {
h := cmd.helpMsg fmt.Fprint(w, "Command | Description\n")
if idx := strings.Index(h, "\n"); idx >= 0 { fmt.Fprint(w, "--------|------------\n")
h = h[:idx] for _, cmd := range commands.cmds {
if cmd.group != cgd.group {
continue
}
h := cmd.helpMsg
if idx := strings.Index(h, "\n"); idx >= 0 {
h = h[:idx]
}
fmt.Fprintf(w, "[%s](#%s) | %s\n", cmd.aliases[0], cmd.aliases[0], h)
} }
fmt.Fprintf(w, "[%s](#%s) | %s\n", cmd.aliases[0], cmd.aliases[0], h) fmt.Fprint(w, "\n")
} }
fmt.Fprint(w, "\n")
for _, cmd := range commands.cmds { for _, cmd := range commands.cmds {
fmt.Fprintf(w, "## %s\n%s\n\n", cmd.aliases[0], replaceDocPath(cmd.helpMsg)) fmt.Fprintf(w, "## %s\n%s\n\n", cmd.aliases[0], replaceDocPath(cmd.helpMsg))

26
pkg/terminal/groups.go Normal file
View File

@ -0,0 +1,26 @@
package terminal
type commandGroup uint8
const (
otherCmds commandGroup = iota
breakCmds
runCmds
dataCmds
goroutineCmds
stackCmds
)
type commandGroupDescription struct {
description string
group commandGroup
}
var commandGroupDescriptions = []commandGroupDescription{
{"Running the program", runCmds},
{"Manipulating breakpoints", breakCmds},
{"Viewing program variables and memory", dataCmds},
{"Listing and switching between threads and goroutines", goroutineCmds},
{"Viewing the call stack and selecting frames", stackCmds},
{"Other commands", otherCmds},
}