github.com/grbit/go-json@v0.11.0/internal/encoder/vm/debug_vm.go (about)

     1  package vm
     2  
     3  import (
     4  	"fmt"
     5  	"io"
     6  
     7  	"github.com/grbit/go-json/internal/encoder"
     8  )
     9  
    10  func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]byte, error) {
    11  	defer func() {
    12  		var code *encoder.Opcode
    13  		if (ctx.Option.Flag & encoder.HTMLEscapeOption) != 0 {
    14  			code = codeSet.EscapeKeyCode
    15  		} else {
    16  			code = codeSet.NoescapeKeyCode
    17  		}
    18  		if wc := ctx.Option.DebugDOTOut; wc != nil {
    19  			_, _ = io.WriteString(wc, code.DumpDOT())
    20  			wc.Close()
    21  			ctx.Option.DebugDOTOut = nil
    22  		}
    23  
    24  		if err := recover(); err != nil {
    25  			w := ctx.Option.DebugOut
    26  			fmt.Fprintln(w, "=============[DEBUG]===============")
    27  			fmt.Fprintln(w, "* [TYPE]")
    28  			fmt.Fprintln(w, codeSet.Type)
    29  			fmt.Fprintf(w, "\n")
    30  			fmt.Fprintln(w, "* [ALL OPCODE]")
    31  			fmt.Fprintln(w, code.Dump())
    32  			fmt.Fprintf(w, "\n")
    33  			fmt.Fprintln(w, "* [CONTEXT]")
    34  			fmt.Fprintf(w, "%+v\n", ctx)
    35  			fmt.Fprintln(w, "===================================")
    36  			panic(err)
    37  		}
    38  	}()
    39  
    40  	return Run(ctx, b, codeSet)
    41  }