Function compileGenericForStmt

compile.go:1092–1122

}}}

(context *funcContext, stmt *ast.GenericForStmt)

} // }}}

func compileGenericForStmt(context *funcContext, stmt *ast.GenericForStmt) { // {{{
	code := context.Code
	endlabel := context.NewLabel()
	bodylabel := context.NewLabel()
	fllabel := context.NewLabel()
	nnames := len(stmt.Names)

	context.EnterBlock(endlabel, stmt)
	rgen := context.RegisterLocalVar("(for generator)")
	context.RegisterLocalVar("(for state)")
	context.RegisterLocalVar("(for control)")

	compileRegAssignment(context, stmt.Names, stmt.Exprs, context.RegTop()-3, 3, sline(stmt))

	code.AddASbx(OP_JMP, 0, fllabel, sline(stmt))

	for _, name := range stmt.Names {
		context.RegisterLocalVar(name)
	}

	context.SetLabelPc(bodylabel, code.LastPC())
	compileChunk(context, stmt.Stmts, false)

	context.LeaveBlock()

	context.SetLabelPc(fllabel, code.LastPC())
	code.AddABC(OP_TFORLOOP, rgen, 0, nnames, sline(stmt))
	code.AddASbx(OP_JMP, 0, bodylabel, sline(stmt))

	context.SetLabelPc(endlabel, code.LastPC())
} // }}}

func compileLabelStmt(context *funcContext, stmt *ast.LabelStmt, isLastStmt bool) { // {{{
	labelId := context.NewLabel()