85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
package main
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// Error types
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func (e *Error) Define(c *Context) {
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c.Putln("// Error definition %s (%d)", e.SrcName(), e.Number)
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c.Putln("// Size: %s", e.Size())
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c.Putln("")
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c.Putln("const %s = %d", e.ErrConst(), e.Number)
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c.Putln("")
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c.Putln("type %s struct {", e.ErrType())
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c.Putln("Sequence uint16")
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c.Putln("NiceName string")
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for _, field := range e.Fields {
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field.Define(c)
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}
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c.Putln("}")
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c.Putln("")
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// Read defines a function that transforms a byte slice into this
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// error struct.
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e.Read(c)
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// Makes sure that this error type is an Error interface.
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c.Putln("func (v %s) ImplementsError() { }", e.ErrType())
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c.Putln("")
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// Let's the XGB event loop read this error.
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c.Putln("func init() {")
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c.Putln("newErrorFuncs[%d] = New%s", e.Number, e.ErrType())
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c.Putln("}")
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c.Putln("")
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}
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func (e *Error) Read(c *Context) {
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c.Putln("// Error read %s", e.SrcName())
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c.Putln("func New%s(buf []byte) %s {", e.ErrType(), e.ErrType())
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c.Putln("v := %s{}", e.ErrType())
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c.Putln("v.NiceName = \"%s\"", e.SrcName())
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c.Putln("")
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c.Putln("b := 1 // skip error determinant")
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c.Putln("b += 1 // don't read error number")
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c.Putln("")
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c.Putln("v.Sequence = get16(buf[b:])")
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c.Putln("b += 2")
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c.Putln("")
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for _, field := range e.Fields {
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field.Read(c)
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c.Putln("")
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}
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c.Putln("return v")
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c.Putln("}")
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c.Putln("")
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}
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// ErrorCopy types
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func (e *ErrorCopy) Define(c *Context) {
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c.Putln("// ErrorCopy definition %s (%d)", e.SrcName(), e.Number)
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c.Putln("")
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c.Putln("const %s = %d", e.ErrConst(), e.Number)
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c.Putln("")
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c.Putln("type %s %s", e.ErrType(), e.Old.(*Error).ErrType())
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c.Putln("")
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// Read defines a function that transforms a byte slice into this
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// error struct.
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e.Read(c)
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// Makes sure that this error type is an Error interface.
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c.Putln("func (err %s) ImplementsError() { }", e.ErrType())
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c.Putln("")
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// Let's the XGB know how to read this error.
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c.Putln("func init() {")
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c.Putln("newErrorFuncs[%d] = New%s", e.Number, e.ErrType())
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c.Putln("}")
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c.Putln("")
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}
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func (e *ErrorCopy) Read(c *Context) {
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c.Putln("func New%s(buf []byte) %s {", e.ErrType(), e.ErrType())
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c.Putln("return %s(New%s(buf))", e.ErrType(), e.Old.(*Error).ErrType())
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c.Putln("}")
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c.Putln("")
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}
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